('/workspace/source/test/e2e/explainer/test_art_explainer.py', 38, 'Skipped: ODH does not support art explainer at the moment')('/workspace/source/test/e2e/predictor/test_grpc.py', 35, 'Skipped: Not testable in ODH at the moment')('/workspace/source/test/e2e/predictor/test_torchserve.py', 34, 'Skipped: ODH does not support torchserve at the moment')self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f28143f7790> conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f2814221bd0> method = 'POST', url = '/v1/completions' body = b'{"model": "publishers/kserve-ci-e2e-test/models/lora-adapter-1", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-aliv...lication/json', 'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/lora-adapter-1', 'Content-Length': '107'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) timeout = Timeout(connect=60, read=60, total=None), chunked = False response_conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f2814221bd0> preload_content = False, decode_content = False, enforce_content_length = True def _make_request( self, conn: BaseHTTPConnection, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | None = None, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, chunked: bool = False, response_conn: BaseHTTPConnection | None = None, preload_content: bool = True, decode_content: bool = True, enforce_content_length: bool = True, ) -> BaseHTTPResponse: """ Perform a request on a given urllib connection object taken from our pool. :param conn: a connection from one of our connection pools :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. Pass ``None`` to retry until you receive a response. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param response_conn: Set this to ``None`` if you will handle releasing the connection or set the connection to have the response release it. :param preload_content: If True, the response's body will be preloaded during construction. :param decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param enforce_content_length: Enforce content length checking. Body returned by server must match value of Content-Length header, if present. Otherwise, raise error. """ self.num_requests += 1 timeout_obj = self._get_timeout(timeout) timeout_obj.start_connect() conn.timeout = Timeout.resolve_default_timeout(timeout_obj.connect_timeout) try: # Trigger any extra validation we need to do. try: self._validate_conn(conn) except (SocketTimeout, BaseSSLError) as e: self._raise_timeout(err=e, url=url, timeout_value=conn.timeout) raise # _validate_conn() starts the connection to an HTTPS proxy # so we need to wrap errors with 'ProxyError' here too. except ( OSError, NewConnectionError, TimeoutError, BaseSSLError, CertificateError, SSLError, ) as e: new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) # If the connection didn't successfully connect to it's proxy # then there if isinstance( new_e, (OSError, NewConnectionError, TimeoutError, SSLError) ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) raise new_e # conn.request() calls http.client.*.request, not the method in # urllib3.request. It also calls makefile (recv) on the socket. try: conn.request( method, url, body=body, headers=headers, chunked=chunked, preload_content=preload_content, decode_content=decode_content, enforce_content_length=enforce_content_length, ) # We are swallowing BrokenPipeError (errno.EPIPE) since the server is # legitimately able to close the connection after sending a valid response. # With this behaviour, the received response is still readable. except BrokenPipeError: pass except OSError as e: # MacOS/Linux # EPROTOTYPE and ECONNRESET are needed on macOS # https://erickt.github.io/blog/2014/11/19/adventures-in-debugging-a-potential-osx-kernel-bug/ # Condition changed later to emit ECONNRESET instead of only EPROTOTYPE. if e.errno != errno.EPROTOTYPE and e.errno != errno.ECONNRESET: raise # Reset the timeout for the recv() on the socket read_timeout = timeout_obj.read_timeout if not conn.is_closed: # In Python 3 socket.py will catch EAGAIN and return None when you # try and read into the file pointer created by http.client, which # instead raises a BadStatusLine exception. Instead of catching # the exception and assuming all BadStatusLine exceptions are read # timeouts, check for a zero timeout before making the request. if read_timeout == 0: raise ReadTimeoutError( self, url, f"Read timed out. (read timeout={read_timeout})" ) conn.timeout = read_timeout # Receive the response from the server try: > response = conn.getresponse() ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:534: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f2814221bd0> def getresponse( # type: ignore[override] self, ) -> HTTPResponse: """ Get the response from the server. If the HTTPConnection is in the correct state, returns an instance of HTTPResponse or of whatever object is returned by the response_class variable. If a request has not been sent or if a previous response has not be handled, ResponseNotReady is raised. If the HTTP response indicates that the connection should be closed, then it will be closed before the response is returned. When the connection is closed, the underlying socket is closed. """ # Raise the same error as http.client.HTTPConnection if self._response_options is None: raise ResponseNotReady() # Reset this attribute for being used again. resp_options = self._response_options self._response_options = None # Since the connection's timeout value may have been updated # we need to set the timeout on the socket. self.sock.settimeout(self.timeout) # This is needed here to avoid circular import errors from .response import HTTPResponse # Save a reference to the shutdown function before ownership is passed # to httplib_response # TODO should we implement it everywhere? _shutdown = getattr(self.sock, "shutdown", None) # Get the response from http.client.HTTPConnection > httplib_response = super().getresponse() ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connection.py:571: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f2814221bd0> def getresponse(self): """Get the response from the server. If the HTTPConnection is in the correct state, returns an instance of HTTPResponse or of whatever object is returned by the response_class variable. If a request has not been sent or if a previous response has not be handled, ResponseNotReady is raised. If the HTTP response indicates that the connection should be closed, then it will be closed before the response is returned. When the connection is closed, the underlying socket is closed. """ # if a prior response has been completed, then forget about it. if self.__response and self.__response.isclosed(): self.__response = None # if a prior response exists, then it must be completed (otherwise, we # cannot read this response's header to determine the connection-close # behavior) # # note: if a prior response existed, but was connection-close, then the # socket and response were made independent of this HTTPConnection # object since a new request requires that we open a whole new # connection # # this means the prior response had one of two states: # 1) will_close: this connection was reset and the prior socket and # response operate independently # 2) persistent: the response was retained and we await its # isclosed() status to become true. # if self.__state != _CS_REQ_SENT or self.__response: raise ResponseNotReady(self.__state) if self.debuglevel > 0: response = self.response_class(self.sock, self.debuglevel, method=self._method) else: response = self.response_class(self.sock, method=self._method) try: try: > response.begin() /usr/lib64/python3.11/http/client.py:1395: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <http.client.HTTPResponse object at 0x7f2815311db0> def begin(self): if self.headers is not None: # we've already started reading the response return # read until we get a non-100 response while True: > version, status, reason = self._read_status() /usr/lib64/python3.11/http/client.py:325: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <http.client.HTTPResponse object at 0x7f2815311db0> def _read_status(self): > line = str(self.fp.readline(_MAXLINE + 1), "iso-8859-1") /usr/lib64/python3.11/http/client.py:286: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <socket.SocketIO object at 0x7f2815311e10> b = <memory at 0x7f28141844c0> def readinto(self, b): """Read up to len(b) bytes into the writable buffer *b* and return the number of bytes read. If the socket is non-blocking and no bytes are available, None is returned. If *b* is non-empty, a 0 return value indicates that the connection was shutdown at the other end. """ self._checkClosed() self._checkReadable() if self._timeout_occurred: raise OSError("cannot read from timed out object") while True: try: > return self._sock.recv_into(b) E TimeoutError: timed out /usr/lib64/python3.11/socket.py:718: TimeoutError The above exception was the direct cause of the following exception: self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f28143f7790> method = 'POST', url = '/v1/completions' body = b'{"model": "publishers/kserve-ci-e2e-test/models/lora-adapter-1", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-aliv...lication/json', 'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/lora-adapter-1', 'Content-Length': '107'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False, err = None, clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object > response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:787: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f28143f7790> conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f2814221bd0> method = 'POST', url = '/v1/completions' body = b'{"model": "publishers/kserve-ci-e2e-test/models/lora-adapter-1", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-aliv...lication/json', 'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/lora-adapter-1', 'Content-Length': '107'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) timeout = Timeout(connect=60, read=60, total=None), chunked = False response_conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f2814221bd0> preload_content = False, decode_content = False, enforce_content_length = True def _make_request( self, conn: BaseHTTPConnection, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | None = None, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, chunked: bool = False, response_conn: BaseHTTPConnection | None = None, preload_content: bool = True, decode_content: bool = True, enforce_content_length: bool = True, ) -> BaseHTTPResponse: """ Perform a request on a given urllib connection object taken from our pool. :param conn: a connection from one of our connection pools :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. Pass ``None`` to retry until you receive a response. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param response_conn: Set this to ``None`` if you will handle releasing the connection or set the connection to have the response release it. :param preload_content: If True, the response's body will be preloaded during construction. :param decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param enforce_content_length: Enforce content length checking. Body returned by server must match value of Content-Length header, if present. Otherwise, raise error. """ self.num_requests += 1 timeout_obj = self._get_timeout(timeout) timeout_obj.start_connect() conn.timeout = Timeout.resolve_default_timeout(timeout_obj.connect_timeout) try: # Trigger any extra validation we need to do. try: self._validate_conn(conn) except (SocketTimeout, BaseSSLError) as e: self._raise_timeout(err=e, url=url, timeout_value=conn.timeout) raise # _validate_conn() starts the connection to an HTTPS proxy # so we need to wrap errors with 'ProxyError' here too. except ( OSError, NewConnectionError, TimeoutError, BaseSSLError, CertificateError, SSLError, ) as e: new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) # If the connection didn't successfully connect to it's proxy # then there if isinstance( new_e, (OSError, NewConnectionError, TimeoutError, SSLError) ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) raise new_e # conn.request() calls http.client.*.request, not the method in # urllib3.request. It also calls makefile (recv) on the socket. try: conn.request( method, url, body=body, headers=headers, chunked=chunked, preload_content=preload_content, decode_content=decode_content, enforce_content_length=enforce_content_length, ) # We are swallowing BrokenPipeError (errno.EPIPE) since the server is # legitimately able to close the connection after sending a valid response. # With this behaviour, the received response is still readable. except BrokenPipeError: pass except OSError as e: # MacOS/Linux # EPROTOTYPE and ECONNRESET are needed on macOS # https://erickt.github.io/blog/2014/11/19/adventures-in-debugging-a-potential-osx-kernel-bug/ # Condition changed later to emit ECONNRESET instead of only EPROTOTYPE. if e.errno != errno.EPROTOTYPE and e.errno != errno.ECONNRESET: raise # Reset the timeout for the recv() on the socket read_timeout = timeout_obj.read_timeout if not conn.is_closed: # In Python 3 socket.py will catch EAGAIN and return None when you # try and read into the file pointer created by http.client, which # instead raises a BadStatusLine exception. Instead of catching # the exception and assuming all BadStatusLine exceptions are read # timeouts, check for a zero timeout before making the request. if read_timeout == 0: raise ReadTimeoutError( self, url, f"Read timed out. (read timeout={read_timeout})" ) conn.timeout = read_timeout # Receive the response from the server try: response = conn.getresponse() except (BaseSSLError, OSError) as e: > self._raise_timeout(err=e, url=url, timeout_value=read_timeout) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:536: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f28143f7790> err = TimeoutError('timed out'), url = '/v1/completions', timeout_value = 60 def _raise_timeout( self, err: BaseSSLError | OSError | SocketTimeout, url: str, timeout_value: _TYPE_TIMEOUT | None, ) -> None: """Is the error actually a timeout? Will raise a ReadTimeout or pass""" if isinstance(err, SocketTimeout): > raise ReadTimeoutError( self, url, f"Read timed out. (read timeout={timeout_value})" ) from err E urllib3.exceptions.ReadTimeoutError: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:367: ReadTimeoutError The above exception was the direct cause of the following exception: self = <requests.adapters.HTTPAdapter object at 0x7f28143f7c10> request = <PreparedRequest [POST]>, stream = False timeout = Timeout(connect=60, read=60, total=None), verify = '/tmp/ca.crt' cert = None, proxies = OrderedDict() def send( self, request, stream=False, timeout=None, verify=True, cert=None, proxies=None ): """Sends PreparedRequest object. Returns Response object. :param request: The :class:`PreparedRequest <PreparedRequest>` being sent. :param stream: (optional) Whether to stream the request content. :param timeout: (optional) How long to wait for the server to send data before giving up, as a float, or a :ref:`(connect timeout, read timeout) <timeouts>` tuple. :type timeout: float or tuple or urllib3 Timeout object :param verify: (optional) Either a boolean, in which case it controls whether we verify the server's TLS certificate, or a string, in which case it must be a path to a CA bundle to use :param cert: (optional) Any user-provided SSL certificate to be trusted. :param proxies: (optional) The proxies dictionary to apply to the request. :rtype: requests.Response """ try: conn = self.get_connection_with_tls_context( request, verify, proxies=proxies, cert=cert ) except LocationValueError as e: raise InvalidURL(e, request=request) self.cert_verify(conn, request.url, verify, cert) url = self.request_url(request, proxies) self.add_headers( request, stream=stream, timeout=timeout, verify=verify, cert=cert, proxies=proxies, ) chunked = not (request.body is None or "Content-Length" in request.headers) if isinstance(timeout, tuple): try: connect, read = timeout timeout = TimeoutSauce(connect=connect, read=read) except ValueError: raise ValueError( f"Invalid timeout {timeout}. Pass a (connect, read) timeout tuple, " f"or a single float to set both timeouts to the same value." ) elif isinstance(timeout, TimeoutSauce): pass else: timeout = TimeoutSauce(connect=timeout, read=timeout) try: > resp = conn.urlopen( method=request.method, url=url, body=request.body, headers=request.headers, redirect=False, assert_same_host=False, preload_content=False, decode_content=False, retries=self.max_retries, timeout=timeout, chunked=chunked, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/adapters.py:667: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f28143f7790> method = 'POST', url = '/v1/completions' body = b'{"model": "publishers/kserve-ci-e2e-test/models/lora-adapter-1", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-aliv...lication/json', 'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/lora-adapter-1', 'Content-Length': '107'} retries = Retry(total=7, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f28143f7790> method = 'POST', url = '/v1/completions' body = b'{"model": "publishers/kserve-ci-e2e-test/models/lora-adapter-1", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-aliv...lication/json', 'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/lora-adapter-1', 'Content-Length': '107'} retries = Retry(total=6, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f28143f7790> method = 'POST', url = '/v1/completions' body = b'{"model": "publishers/kserve-ci-e2e-test/models/lora-adapter-1", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-aliv...lication/json', 'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/lora-adapter-1', 'Content-Length': '107'} retries = Retry(total=5, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f28143f7790> method = 'POST', url = '/v1/completions' body = b'{"model": "publishers/kserve-ci-e2e-test/models/lora-adapter-1", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-aliv...lication/json', 'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/lora-adapter-1', 'Content-Length': '107'} retries = Retry(total=4, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f28143f7790> method = 'POST', url = '/v1/completions' body = b'{"model": "publishers/kserve-ci-e2e-test/models/lora-adapter-1", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-aliv...lication/json', 'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/lora-adapter-1', 'Content-Length': '107'} retries = Retry(total=3, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f28143f7790> method = 'POST', url = '/v1/completions' body = b'{"model": "publishers/kserve-ci-e2e-test/models/lora-adapter-1", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-aliv...lication/json', 'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/lora-adapter-1', 'Content-Length': '107'} retries = Retry(total=2, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f28143f7790> method = 'POST', url = '/v1/completions' body = b'{"model": "publishers/kserve-ci-e2e-test/models/lora-adapter-1", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-aliv...lication/json', 'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/lora-adapter-1', 'Content-Length': '107'} retries = Retry(total=1, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f28143f7790> method = 'POST', url = '/v1/completions' body = b'{"model": "publishers/kserve-ci-e2e-test/models/lora-adapter-1", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-aliv...lication/json', 'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/lora-adapter-1', 'Content-Length': '107'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f28143f7790> method = 'POST', url = '/v1/completions' body = b'{"model": "publishers/kserve-ci-e2e-test/models/lora-adapter-1", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-aliv...lication/json', 'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/lora-adapter-1', 'Content-Length': '107'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False, err = None, clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) > retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:841: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = Retry(total=0, connect=None, read=None, redirect=None, status=None) method = 'POST', url = '/v1/completions', response = None error = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") _pool = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f28143f7790> _stacktrace = <traceback object at 0x7f2814221ec0> def increment( self, method: str | None = None, url: str | None = None, response: BaseHTTPResponse | None = None, error: Exception | None = None, _pool: ConnectionPool | None = None, _stacktrace: TracebackType | None = None, ) -> Self: """Return a new Retry object with incremented retry counters. :param response: A response object, or None, if the server did not return a response. :type response: :class:`~urllib3.response.BaseHTTPResponse` :param Exception error: An error encountered during the request, or None if the response was received successfully. :return: A new ``Retry`` object. """ if self.total is False and error: # Disabled, indicate to re-raise the error. raise reraise(type(error), error, _stacktrace) total = self.total if total is not None: total -= 1 connect = self.connect read = self.read redirect = self.redirect status_count = self.status other = self.other cause = "unknown" status = None redirect_location = None if error and self._is_connection_error(error): # Connect retry? if connect is False: raise reraise(type(error), error, _stacktrace) elif connect is not None: connect -= 1 elif error and self._is_read_error(error): # Read retry? if read is False or method is None or not self._is_method_retryable(method): raise reraise(type(error), error, _stacktrace) elif read is not None: read -= 1 elif error: # Other retry? if other is not None: other -= 1 elif response and response.get_redirect_location(): # Redirect retry? if redirect is not None: redirect -= 1 cause = "too many redirects" response_redirect_location = response.get_redirect_location() if response_redirect_location: redirect_location = response_redirect_location status = response.status else: # Incrementing because of a server error like a 500 in # status_forcelist and the given method is in the allowed_methods cause = ResponseError.GENERIC_ERROR if response and response.status: if status_count is not None: status_count -= 1 cause = ResponseError.SPECIFIC_ERROR.format(status_code=response.status) status = response.status history = self.history + ( RequestHistory(method, url, error, status, redirect_location), ) new_retry = self.new( total=total, connect=connect, read=read, redirect=redirect, status=status_count, other=other, history=history, ) if new_retry.is_exhausted(): reason = error or ResponseError(cause) > raise MaxRetryError(_pool, url, reason) from reason # type: ignore[arg-type] E urllib3.exceptions.MaxRetryError: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Max retries exceeded with url: /v1/completions (Caused by ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)")) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/util/retry.py:519: MaxRetryError During handling of the above exception, another exception occurred: def get_successful_response(): try: if test_case.url_getter: service_url = test_case.url_getter(kserve_client, test_case.llm_service) else: service_url = get_llm_service_url(kserve_client, test_case.llm_service) except Exception as e: raise AssertionError(f"❌ Failed to get service URL: {e}") from e model_url = service_url + test_case.endpoint headers = {"Content-Type": "application/json"} if extra_headers: headers.update(extra_headers) if test_case.payload_formatter is not None: test_payload = test_case.payload_formatter(test_case) elif test_case.prompt is not None: test_payload = { "model": test_case.model_name if not extra_headers or MODEL_ROUTING_HEADER not in extra_headers else extra_headers[MODEL_ROUTING_HEADER], "prompt": test_case.prompt, "max_tokens": test_case.max_tokens, } else: test_payload = None logger.info(f"Calling LLM service at {model_url} with payload {test_payload}") try: if test_payload is not None: > response = post_with_retry( model_url, headers=headers, json_data=test_payload, timeout=test_case.response_timeout, ) llmisvc/test_llm_inference_service.py:1095: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ url = 'http://a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com/v1/completions' def post_with_retry( url: str, *, headers: Dict = None, json_data: Union[Dict, List] = None, data: Union[str, bytes] = None, stream: bool = False, timeout: float = None, total_retries: int = DEFAULT_RETRY_TOTAL, backoff_factor: float = DEFAULT_RETRY_BACKOFF_FACTOR, retry_status_codes=DEFAULT_RETRY_STATUS_CODES, ) -> requests.Response: """ Send POST request with retries for transient HTTP and network failures. """ if json_data is not None and data is not None: raise ValueError("Only one of json_data or data can be provided.") with _retry_session( ["POST"], total_retries, backoff_factor, retry_status_codes ) as session: > return session.post( url, json=json_data, data=data, headers=headers, stream=stream, timeout=timeout, ) common/http_retry.py:70: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.sessions.Session object at 0x7f28153b09d0> url = 'http://a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com/v1/completions' data = None json = {'max_tokens': 20, 'model': 'publishers/kserve-ci-e2e-test/models/lora-adapter-1', 'prompt': 'KServe is a'} kwargs = {'headers': {'Content-Type': 'application/json', 'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/lora-adapter-1'}, 'stream': False, 'timeout': 60} def post(self, url, data=None, json=None, **kwargs): r"""Sends a POST request. Returns :class:`Response` object. :param url: URL for the new :class:`Request` object. :param data: (optional) Dictionary, list of tuples, bytes, or file-like object to send in the body of the :class:`Request`. :param json: (optional) json to send in the body of the :class:`Request`. :param \*\*kwargs: Optional arguments that ``request`` takes. :rtype: requests.Response """ > return self.request("POST", url, data=data, json=json, **kwargs) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/sessions.py:637: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.sessions.Session object at 0x7f28153b09d0>, method = 'POST' url = 'http://a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com/v1/completions' params = None, data = None headers = {'Content-Type': 'application/json', 'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/lora-adapter-1'} cookies = None, files = None, auth = None, timeout = 60, allow_redirects = True proxies = {}, hooks = None, stream = False, verify = None, cert = None json = {'max_tokens': 20, 'model': 'publishers/kserve-ci-e2e-test/models/lora-adapter-1', 'prompt': 'KServe is a'} def request( self, method, url, params=None, data=None, headers=None, cookies=None, files=None, auth=None, timeout=None, allow_redirects=True, proxies=None, hooks=None, stream=None, verify=None, cert=None, json=None, ): """Constructs a :class:`Request <Request>`, prepares it and sends it. Returns :class:`Response <Response>` object. :param method: method for the new :class:`Request` object. :param url: URL for the new :class:`Request` object. :param params: (optional) Dictionary or bytes to be sent in the query string for the :class:`Request`. :param data: (optional) Dictionary, list of tuples, bytes, or file-like object to send in the body of the :class:`Request`. :param json: (optional) json to send in the body of the :class:`Request`. :param headers: (optional) Dictionary of HTTP Headers to send with the :class:`Request`. :param cookies: (optional) Dict or CookieJar object to send with the :class:`Request`. :param files: (optional) Dictionary of ``'filename': file-like-objects`` for multipart encoding upload. :param auth: (optional) Auth tuple or callable to enable Basic/Digest/Custom HTTP Auth. :param timeout: (optional) How long to wait for the server to send data before giving up, as a float, or a :ref:`(connect timeout, read timeout) <timeouts>` tuple. :type timeout: float or tuple :param allow_redirects: (optional) Set to True by default. :type allow_redirects: bool :param proxies: (optional) Dictionary mapping protocol or protocol and hostname to the URL of the proxy. :param hooks: (optional) Dictionary mapping hook name to one event or list of events, event must be callable. :param stream: (optional) whether to immediately download the response content. Defaults to ``False``. :param verify: (optional) Either a boolean, in which case it controls whether we verify the server's TLS certificate, or a string, in which case it must be a path to a CA bundle to use. Defaults to ``True``. When set to ``False``, requests will accept any TLS certificate presented by the server, and will ignore hostname mismatches and/or expired certificates, which will make your application vulnerable to man-in-the-middle (MitM) attacks. Setting verify to ``False`` may be useful during local development or testing. :param cert: (optional) if String, path to ssl client cert file (.pem). If Tuple, ('cert', 'key') pair. :rtype: requests.Response """ # Create the Request. req = Request( method=method.upper(), url=url, headers=headers, files=files, data=data or {}, json=json, params=params or {}, auth=auth, cookies=cookies, hooks=hooks, ) prep = self.prepare_request(req) proxies = proxies or {} settings = self.merge_environment_settings( prep.url, proxies, stream, verify, cert ) # Send the request. send_kwargs = { "timeout": timeout, "allow_redirects": allow_redirects, } send_kwargs.update(settings) > resp = self.send(prep, **send_kwargs) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/sessions.py:589: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.sessions.Session object at 0x7f28153b09d0> request = <PreparedRequest [POST]> kwargs = {'cert': None, 'proxies': OrderedDict(), 'stream': False, 'timeout': 60, ...} allow_redirects = True, stream = False, hooks = {'response': []} adapter = <requests.adapters.HTTPAdapter object at 0x7f28143f7c10> start = 1783001214.4846976 def send(self, request, **kwargs): """Send a given PreparedRequest. :rtype: requests.Response """ # Set defaults that the hooks can utilize to ensure they always have # the correct parameters to reproduce the previous request. kwargs.setdefault("stream", self.stream) kwargs.setdefault("verify", self.verify) kwargs.setdefault("cert", self.cert) if "proxies" not in kwargs: kwargs["proxies"] = resolve_proxies(request, self.proxies, self.trust_env) # It's possible that users might accidentally send a Request object. # Guard against that specific failure case. if isinstance(request, Request): raise ValueError("You can only send PreparedRequests.") # Set up variables needed for resolve_redirects and dispatching of hooks allow_redirects = kwargs.pop("allow_redirects", True) stream = kwargs.get("stream") hooks = request.hooks # Get the appropriate adapter to use adapter = self.get_adapter(url=request.url) # Start time (approximately) of the request start = preferred_clock() # Send the request > r = adapter.send(request, **kwargs) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/sessions.py:703: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.adapters.HTTPAdapter object at 0x7f28143f7c10> request = <PreparedRequest [POST]>, stream = False timeout = Timeout(connect=60, read=60, total=None), verify = '/tmp/ca.crt' cert = None, proxies = OrderedDict() def send( self, request, stream=False, timeout=None, verify=True, cert=None, proxies=None ): """Sends PreparedRequest object. Returns Response object. :param request: The :class:`PreparedRequest <PreparedRequest>` being sent. :param stream: (optional) Whether to stream the request content. :param timeout: (optional) How long to wait for the server to send data before giving up, as a float, or a :ref:`(connect timeout, read timeout) <timeouts>` tuple. :type timeout: float or tuple or urllib3 Timeout object :param verify: (optional) Either a boolean, in which case it controls whether we verify the server's TLS certificate, or a string, in which case it must be a path to a CA bundle to use :param cert: (optional) Any user-provided SSL certificate to be trusted. :param proxies: (optional) The proxies dictionary to apply to the request. :rtype: requests.Response """ try: conn = self.get_connection_with_tls_context( request, verify, proxies=proxies, cert=cert ) except LocationValueError as e: raise InvalidURL(e, request=request) self.cert_verify(conn, request.url, verify, cert) url = self.request_url(request, proxies) self.add_headers( request, stream=stream, timeout=timeout, verify=verify, cert=cert, proxies=proxies, ) chunked = not (request.body is None or "Content-Length" in request.headers) if isinstance(timeout, tuple): try: connect, read = timeout timeout = TimeoutSauce(connect=connect, read=read) except ValueError: raise ValueError( f"Invalid timeout {timeout}. Pass a (connect, read) timeout tuple, " f"or a single float to set both timeouts to the same value." ) elif isinstance(timeout, TimeoutSauce): pass else: timeout = TimeoutSauce(connect=timeout, read=timeout) try: resp = conn.urlopen( method=request.method, url=url, body=request.body, headers=request.headers, redirect=False, assert_same_host=False, preload_content=False, decode_content=False, retries=self.max_retries, timeout=timeout, chunked=chunked, ) except (ProtocolError, OSError) as err: raise ConnectionError(err, request=request) except MaxRetryError as e: if isinstance(e.reason, ConnectTimeoutError): # TODO: Remove this in 3.0.0: see #2811 if not isinstance(e.reason, NewConnectionError): raise ConnectTimeout(e, request=request) if isinstance(e.reason, ResponseError): raise RetryError(e, request=request) if isinstance(e.reason, _ProxyError): raise ProxyError(e, request=request) if isinstance(e.reason, _SSLError): # This branch is for urllib3 v1.22 and later. raise SSLError(e, request=request) > raise ConnectionError(e, request=request) E requests.exceptions.ConnectionError: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Max retries exceeded with url: /v1/completions (Caused by ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)")) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/adapters.py:700: ConnectionError The above exception was the direct cause of the following exception: test_case = TestCase(base_refs=['router-managed', 'workload-single-cpu', 'model-fb-opt-125m-with-lora-hf'], prompt='KServe is a', ...opt-125m-with-lora-hf-a7886ead'}]}, 'status': None}, model_name='publishers/kserve-ci-e2e-test/models/lora-adapter-1') @pytest.mark.llminferenceservice @pytest.mark.asyncio(loop_scope="session") @pytest.mark.parametrize( "test_case", [ pytest.param( TestCase( base_refs=[ "router-with-gateway-ref", "router-with-managed-route", "model-fb-opt-125m", "workload-llmd-simulator", ], endpoint="/v1/completions", prompt="KServe is a", payload_formatter=completions_payload, response_assertion=create_response_assertion(with_field="choices"), expected_gateway=ROUTER_GATEWAYS[0], before_test=[ lambda: create_router_resources( gateways=[ROUTER_GATEWAYS[0]], ) ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, pytest.mark.custom_gateway, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-fb-opt-125m", ], prompt="KServe is a", payload_formatter=completions_payload, response_assertion=assert_200_with_choices, ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-custom-route-timeout", "scheduler-managed", "workload-single-cpu", "model-fb-opt-125m", ], prompt="KServe is a", service_name="custom-route-timeout-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-with-refs", "scheduler-managed", "workload-single-cpu", "model-fb-opt-125m", ], prompt="KServe is a", service_name="router-with-refs-test", expected_gateway=ROUTER_GATEWAYS[0], before_test=[ lambda: create_router_resources( gateways=[ROUTER_GATEWAYS[0]], routes=[ROUTER_ROUTES[0], ROUTER_ROUTES[1]], ) ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.custom_gateway, ], ), pytest.param( TestCase( base_refs=["router-managed", "workload-pd-cpu", "model-fb-opt-125m"], prompt="You are an expert in Kubernetes-native machine learning serving platforms, with deep knowledge of the KServe project. " "Explain the challenges of serving large-scale models, GPU scheduling, and how KServe integrates with capabilities like multi-model serving. " "Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", response_assertion=assert_200_with_choices, ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-custom-route-timeout-pd", "scheduler-managed", "workload-pd-cpu", "model-fb-opt-125m", ], prompt="You are an expert in Kubernetes-native machine learning serving platforms, with deep knowledge of the KServe project. " "Explain the challenges of serving large-scale models, GPU scheduling, and how KServe integrates with capabilities like multi-model serving. " "Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", service_name="custom-route-timeout-pd-test", response_assertion=assert_200_with_choices, ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-with-refs-pd", "scheduler-managed", "workload-pd-cpu", "model-fb-opt-125m", ], prompt="You are an expert in Kubernetes-native machine learning serving platforms, with deep knowledge of the KServe project. " "Explain the challenges of serving large-scale models, GPU scheduling, and how KServe integrates with capabilities like multi-model serving. " "Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", service_name="router-with-refs-pd-test", response_assertion=assert_200_with_choices, expected_gateway=ROUTER_GATEWAYS[1], before_test=[ lambda: create_router_resources( gateways=[ROUTER_GATEWAYS[1]], routes=[ROUTER_ROUTES[2], ROUTER_ROUTES[3]], ) ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.custom_gateway, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-dp-ep-gpu", "workload-dp-ep-prefill-gpu", "model-deepseek-v2-lite", ], prompt="Delve into the multifaceted implications of a fully disaggregated cloud architecture, specifically " "where the compute plane (P) and the data plane (D) are independently deployed and managed for a " "geographically distributed, high-throughput, low-latency microservices ecosystem. Beyond the " "fundamental challenges of network latency and data consistency, elaborate on the advanced " "considerations and trade-offs inherent in such a setup: 1. Network Architecture and Protocols: " "How would the network fabric and underlying protocols (e.g., RDMA, custom transport layers) need to " "evolve to support optimal performance and minimize inter-plane communication overhead, especially for " "synchronous operations? Discuss the role of network programmability (e.g., SDN, P4) in dynamically " "optimizing routing and traffic flow between P and D. 2. Advanced Data Consistency and Durability: " "Explore sophisticated data consistency models (e.g., causal consistency, strong eventual consistency) " "and their applicability in balancing performance and data integrity across a globally distributed data plane. " "Detail strategies for ensuring data durability and fault tolerance, including multi-region replication, " "intelligent partitioning, and recovery mechanisms in the event of partial or full plane failures. " "3. Dynamic Resource Orchestration and Cost Optimization: Analyze how an orchestration layer would intelligently " "manage the independent scaling of compute (P) and data (D) resources, considering fluctuating workloads, " "cost efficiency, and performance targets (e.g., using predictive analytics for resource provisioning). " "Discuss mechanisms for dynamically reallocating compute nodes to different data partitions based on " "workload patterns and data locality, potentially involving live migration strategies. " "4. Security and Compliance in a Distributed Landscape: Address the enhanced security perimeter " "challenges, including securing communication channels between P and D (encryption in transit, mutual TLS), " "fine-grained access control to data at rest and in motion, and identity management across disaggregated " "components. Discuss how such an architecture impacts compliance with regulatory frameworks (e.g., GDPR, HIPAA) " "concerning data sovereignty, privacy, and auditability. 5. Operational Complexity and Observability: " "Examine the increased complexity in monitoring, logging, and tracing across highly decoupled compute and " "data planes. What specialized tooling and practices (e.g., distributed tracing with OpenTelemetry, advanced AIOps) " "would be essential? How would incident response and troubleshooting differ in this disaggregated environment " "compared to traditional integrated systems? Consider the challenges of pinpointing root causes across " "independent failures. 6. Real-world Applicability and Future Trends: Identify specific industries " "or use cases (e.g., high-frequency trading, IoT edge processing, large language model inference) " "where the benefits of P/D disaggregation would strongly outweigh its complexities. " "Conclude by speculating on emerging technologies or paradigms (e.g., serverless compute functions " "directly interacting with object storage, in-memory disaggregation) that could further drive or " "transform P/D disaggregation in cloud computing.", max_tokens=2000, ), marks=[ pytest.mark.cluster_gpu, pytest.mark.cluster_nvidia, pytest.mark.cluster_nvidia_roce, ], ), pytest.param( TestCase( base_refs=[ "router-no-scheduler", "workload-single-cpu", "model-fb-opt-125m", ], prompt="What is KServe?", ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.no_scheduler, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-simulated-dp-ep-cpu", "model-fb-opt-125m", ], prompt="This test simulates DP+EP that can run on CPU, the idea is to test the LWS-based deployment, " "but without the resources requirements for DP+EP (GPUs and ROCe/IB).", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_multi_node], ), # Scheduler config tests pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-inline-config", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-inline-config-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), # Chat completions endpoint coverage pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", "model-qwen2.5-0.5b", ], model_name="Qwen/Qwen2.5-0.5B-Instruct", endpoint="/v1/chat/completions", prompt="What is KServe?", payload_formatter=chat_completions_payload, response_assertion=create_response_assertion(with_field="choices"), ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-configmap-ref", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-configmap-ref-test", before_test=[create_scheduler_configmap], after_test=[delete_scheduler_configmap], ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-replicas", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-ha-replicas-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-custom-template", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-custom-template-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), # Scheduler v0.6 → v0.7 migration tests. # Deploy v0.6-style configs and verify the controller migrates them # so the v0.7 scheduler boots successfully. pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-v06-pd-config-migration", "workload-llmd-simulator-pd", ], prompt="KServe is a", service_name="scheduler-v06-pd-migration-test", response_assertion=assert_200_with_choices, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-v06-nonzero-threshold-migration", "workload-llmd-simulator-pd", ], prompt="KServe is a", service_name="scheduler-v06-threshold-migration-test", response_assertion=assert_200_with_choices, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), # Precise prefix KV cache routing test pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-precise-prefix-cache-inline-config", "workload-llmd-simulator-kvcache", ], prompt="KServe is a", service_name="precise-prefix-cache-test", ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), # Models endpoint coverage pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", ], endpoint="/v1/models", response_assertion=create_response_assertion(with_field="data"), ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), # Model-based routing via X-Gateway-Model-Name header — /v1/completions pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", ], endpoint="/v1/completions", prompt="KServe is a", payload_formatter=completions_payload, response_assertion=assert_model_field_matches("facebook/opt-125m"), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", }, peers=[ TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", "model-qwen2.5-0.5b", ], endpoint="/v1/completions", prompt="KServe is a", payload_formatter=completions_payload, response_assertion=assert_model_field_matches( "Qwen/Qwen2.5-0.5B-Instruct" ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/Qwen/Qwen2.5-0.5B-Instruct", }, ), ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, pytest.mark.model_routing, ], ), # Model-based routing via X-Gateway-Model-Name header — /v1/chat/completions pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", ], endpoint="/v1/chat/completions", prompt="What is KServe?", payload_formatter=chat_completions_payload, response_assertion=assert_model_field_matches("facebook/opt-125m"), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", }, peers=[ TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", "model-qwen2.5-0.5b", ], endpoint="/v1/chat/completions", prompt="What is KServe?", payload_formatter=chat_completions_payload, response_assertion=assert_model_field_matches( "Qwen/Qwen2.5-0.5B-Instruct" ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/Qwen/Qwen2.5-0.5B-Instruct", }, ), ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, pytest.mark.model_routing, ], ), # Model-based routing via X-Gateway-Model-Name header — LoRA adapter pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-fb-opt-125m-with-lora-hf", ], endpoint="/v1/completions", prompt="KServe is a", model_name=f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1", payload_formatter=completions_payload, response_assertion=assert_model_field_matches( f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1" ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1", }, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.model_routing, pytest.mark.lora, ], ), # Model-based routing via X-Gateway-Model-Name header — /v1/models (base + LoRA) pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-fb-opt-125m-with-lora-hf", ], endpoint="/v1/models", response_assertion=assert_models_contains( "facebook/opt-125m", f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", "lora-adapter-1", f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1", ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", }, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.model_routing, pytest.mark.lora, ], ), # PVC storage tests -- validate direct PVC volume mount with real vLLM serving pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-pvc", ], prompt="KServe is a", response_assertion=assert_200_with_choices, before_test=[ensure_pvc_with_model], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.pvc_storage, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-pd-cpu", "model-pvc", ], prompt="KServe is a", response_assertion=assert_200_with_choices, before_test=[ensure_pvc_with_model], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.pvc_storage, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-simulated-dp-ep-cpu", "model-pvc", ], prompt="KServe is a", before_test=[ensure_pvc_with_model], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_multi_node, pytest.mark.pvc_storage, ], ), ], indirect=["test_case"], ids=generate_test_id, ) @log_execution def test_llm_inference_service(test_case: TestCase): # noqa: F811 inject_k8s_proxy() kserve_client = KServeClient( config_file=os.environ.get("KUBECONFIG", "~/.kube/config"), client_configuration=client.Configuration(), ) service_name = test_case.llm_service.metadata.name if not test_case.llm_service.metadata.annotations: test_case.llm_service.metadata.annotations = {} test_case.llm_service.metadata.annotations[ "security.opendatahub.io/enable-auth" ] = "false" prefix = test_case.log_prefix test_failed = False try: print(f"{prefix} Creating LLMInferenceService {service_name}") create_llmisvc(kserve_client, test_case.llm_service) print(f"{prefix} Waiting for LLMInferenceService {service_name} to be ready") wait_for_llm_isvc_ready( kserve_client, test_case.llm_service, test_case.wait_timeout ) print(f"{prefix} Waiting for model response from {service_name}") > wait_for_model_response( kserve_client, test_case, test_case.wait_timeout, extra_headers=test_case.extra_headers, ) llmisvc/test_llm_inference_service.py:816: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ args = (<kserve.api.kserve_client.KServeClient object at 0x7f2814272fd0>, TestCase(base_refs=['router-managed', 'workload-sin...5m-with-lora-hf-a7886ead'}]}, 'status': None}, model_name='publishers/kserve-ci-e2e-test/models/lora-adapter-1'), 900) kwargs = {'extra_headers': {'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/lora-adapter-1'}} func_name = 'wait_for_model_response' timestamp_start = '2026-07-02T14:06:54.473339', start_time = 1783001214.4736366 duration = 904.6163485050201, timestamp_end = '2026-07-02T14:21:59.089989' @functools.wraps(func) def wrapper(*args, **kwargs): func_name = func.__name__ timestamp_start = datetime.now().isoformat() logger.info( f"[{func_name}] [{timestamp_start}] start - args={args}, kwargs={kwargs}" ) start_time = time.time() try: > result = func(*args, **kwargs) llmisvc/logging.py:40: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ kserve_client = <kserve.api.kserve_client.KServeClient object at 0x7f2814272fd0> test_case = TestCase(base_refs=['router-managed', 'workload-single-cpu', 'model-fb-opt-125m-with-lora-hf'], prompt='KServe is a', ...opt-125m-with-lora-hf-a7886ead'}]}, 'status': None}, model_name='publishers/kserve-ci-e2e-test/models/lora-adapter-1') timeout_seconds = 900 extra_headers = {'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/lora-adapter-1'} @log_execution def wait_for_model_response( kserve_client: KServeClient, test_case: TestCase, # noqa: F811 timeout_seconds: int = 900, extra_headers: Optional[Dict[str, str]] = None, ) -> str: def get_successful_response(): try: if test_case.url_getter: service_url = test_case.url_getter(kserve_client, test_case.llm_service) else: service_url = get_llm_service_url(kserve_client, test_case.llm_service) except Exception as e: raise AssertionError(f"❌ Failed to get service URL: {e}") from e model_url = service_url + test_case.endpoint headers = {"Content-Type": "application/json"} if extra_headers: headers.update(extra_headers) if test_case.payload_formatter is not None: test_payload = test_case.payload_formatter(test_case) elif test_case.prompt is not None: test_payload = { "model": test_case.model_name if not extra_headers or MODEL_ROUTING_HEADER not in extra_headers else extra_headers[MODEL_ROUTING_HEADER], "prompt": test_case.prompt, "max_tokens": test_case.max_tokens, } else: test_payload = None logger.info(f"Calling LLM service at {model_url} with payload {test_payload}") try: if test_payload is not None: response = post_with_retry( model_url, headers=headers, json_data=test_payload, timeout=test_case.response_timeout, ) else: response = get_with_retry( model_url, headers=headers, timeout=test_case.response_timeout, ) except Exception as e: logger.error(f"❌ Failed to call model: {e}") raise AssertionError(f"❌ Failed to call model: {e}") from e logger.info(f"Model response is {response.status_code}: {response.text[:500]}") if 200 <= response.status_code < 300: return response raise AssertionError( f"Service returned {response.status_code}: {response.text}" ) > response = wait_for(get_successful_response, timeout=timeout_seconds, interval=5.0) llmisvc/test_llm_inference_service.py:1119: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ assertion_fn = <function wait_for_model_response.<locals>.get_successful_response at 0x7f2814355760> timeout = 900, interval = 5.0 def wait_for( assertion_fn: Callable[[], Any], timeout: float = 5.0, interval: float = 0.1 ) -> Any: """Wait for the assertion to succeed within timeout.""" deadline = time.time() + timeout last_msg = None while True: try: > return assertion_fn() llmisvc/test_llm_inference_service.py:1215: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ def get_successful_response(): try: if test_case.url_getter: service_url = test_case.url_getter(kserve_client, test_case.llm_service) else: service_url = get_llm_service_url(kserve_client, test_case.llm_service) except Exception as e: raise AssertionError(f"❌ Failed to get service URL: {e}") from e model_url = service_url + test_case.endpoint headers = {"Content-Type": "application/json"} if extra_headers: headers.update(extra_headers) if test_case.payload_formatter is not None: test_payload = test_case.payload_formatter(test_case) elif test_case.prompt is not None: test_payload = { "model": test_case.model_name if not extra_headers or MODEL_ROUTING_HEADER not in extra_headers else extra_headers[MODEL_ROUTING_HEADER], "prompt": test_case.prompt, "max_tokens": test_case.max_tokens, } else: test_payload = None logger.info(f"Calling LLM service at {model_url} with payload {test_payload}") try: if test_payload is not None: response = post_with_retry( model_url, headers=headers, json_data=test_payload, timeout=test_case.response_timeout, ) else: response = get_with_retry( model_url, headers=headers, timeout=test_case.response_timeout, ) except Exception as e: logger.error(f"❌ Failed to call model: {e}") > raise AssertionError(f"❌ Failed to call model: {e}") from e E AssertionError: ❌ Failed to call model: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Max retries exceeded with url: /v1/completions (Caused by ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)")) llmisvc/test_llm_inference_service.py:1109: AssertionErrorself = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dda66710> conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f76ddbea410> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-87882a8e/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) timeout = Timeout(connect=60, read=60, total=None), chunked = False response_conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f76ddbea410> preload_content = False, decode_content = False, enforce_content_length = True def _make_request( self, conn: BaseHTTPConnection, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | None = None, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, chunked: bool = False, response_conn: BaseHTTPConnection | None = None, preload_content: bool = True, decode_content: bool = True, enforce_content_length: bool = True, ) -> BaseHTTPResponse: """ Perform a request on a given urllib connection object taken from our pool. :param conn: a connection from one of our connection pools :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. Pass ``None`` to retry until you receive a response. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param response_conn: Set this to ``None`` if you will handle releasing the connection or set the connection to have the response release it. :param preload_content: If True, the response's body will be preloaded during construction. :param decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param enforce_content_length: Enforce content length checking. Body returned by server must match value of Content-Length header, if present. Otherwise, raise error. """ self.num_requests += 1 timeout_obj = self._get_timeout(timeout) timeout_obj.start_connect() conn.timeout = Timeout.resolve_default_timeout(timeout_obj.connect_timeout) try: # Trigger any extra validation we need to do. try: self._validate_conn(conn) except (SocketTimeout, BaseSSLError) as e: self._raise_timeout(err=e, url=url, timeout_value=conn.timeout) raise # _validate_conn() starts the connection to an HTTPS proxy # so we need to wrap errors with 'ProxyError' here too. except ( OSError, NewConnectionError, TimeoutError, BaseSSLError, CertificateError, SSLError, ) as e: new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) # If the connection didn't successfully connect to it's proxy # then there if isinstance( new_e, (OSError, NewConnectionError, TimeoutError, SSLError) ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) raise new_e # conn.request() calls http.client.*.request, not the method in # urllib3.request. It also calls makefile (recv) on the socket. try: conn.request( method, url, body=body, headers=headers, chunked=chunked, preload_content=preload_content, decode_content=decode_content, enforce_content_length=enforce_content_length, ) # We are swallowing BrokenPipeError (errno.EPIPE) since the server is # legitimately able to close the connection after sending a valid response. # With this behaviour, the received response is still readable. except BrokenPipeError: pass except OSError as e: # MacOS/Linux # EPROTOTYPE and ECONNRESET are needed on macOS # https://erickt.github.io/blog/2014/11/19/adventures-in-debugging-a-potential-osx-kernel-bug/ # Condition changed later to emit ECONNRESET instead of only EPROTOTYPE. if e.errno != errno.EPROTOTYPE and e.errno != errno.ECONNRESET: raise # Reset the timeout for the recv() on the socket read_timeout = timeout_obj.read_timeout if not conn.is_closed: # In Python 3 socket.py will catch EAGAIN and return None when you # try and read into the file pointer created by http.client, which # instead raises a BadStatusLine exception. Instead of catching # the exception and assuming all BadStatusLine exceptions are read # timeouts, check for a zero timeout before making the request. if read_timeout == 0: raise ReadTimeoutError( self, url, f"Read timed out. (read timeout={read_timeout})" ) conn.timeout = read_timeout # Receive the response from the server try: > response = conn.getresponse() ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:534: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f76ddbea410> def getresponse( # type: ignore[override] self, ) -> HTTPResponse: """ Get the response from the server. If the HTTPConnection is in the correct state, returns an instance of HTTPResponse or of whatever object is returned by the response_class variable. If a request has not been sent or if a previous response has not be handled, ResponseNotReady is raised. If the HTTP response indicates that the connection should be closed, then it will be closed before the response is returned. When the connection is closed, the underlying socket is closed. """ # Raise the same error as http.client.HTTPConnection if self._response_options is None: raise ResponseNotReady() # Reset this attribute for being used again. resp_options = self._response_options self._response_options = None # Since the connection's timeout value may have been updated # we need to set the timeout on the socket. self.sock.settimeout(self.timeout) # This is needed here to avoid circular import errors from .response import HTTPResponse # Save a reference to the shutdown function before ownership is passed # to httplib_response # TODO should we implement it everywhere? _shutdown = getattr(self.sock, "shutdown", None) # Get the response from http.client.HTTPConnection > httplib_response = super().getresponse() ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connection.py:571: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f76ddbea410> def getresponse(self): """Get the response from the server. If the HTTPConnection is in the correct state, returns an instance of HTTPResponse or of whatever object is returned by the response_class variable. If a request has not been sent or if a previous response has not be handled, ResponseNotReady is raised. If the HTTP response indicates that the connection should be closed, then it will be closed before the response is returned. When the connection is closed, the underlying socket is closed. """ # if a prior response has been completed, then forget about it. if self.__response and self.__response.isclosed(): self.__response = None # if a prior response exists, then it must be completed (otherwise, we # cannot read this response's header to determine the connection-close # behavior) # # note: if a prior response existed, but was connection-close, then the # socket and response were made independent of this HTTPConnection # object since a new request requires that we open a whole new # connection # # this means the prior response had one of two states: # 1) will_close: this connection was reset and the prior socket and # response operate independently # 2) persistent: the response was retained and we await its # isclosed() status to become true. # if self.__state != _CS_REQ_SENT or self.__response: raise ResponseNotReady(self.__state) if self.debuglevel > 0: response = self.response_class(self.sock, self.debuglevel, method=self._method) else: response = self.response_class(self.sock, method=self._method) try: try: > response.begin() /usr/lib64/python3.11/http/client.py:1395: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <http.client.HTTPResponse object at 0x7f76ddfa39a0> def begin(self): if self.headers is not None: # we've already started reading the response return # read until we get a non-100 response while True: > version, status, reason = self._read_status() /usr/lib64/python3.11/http/client.py:325: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <http.client.HTTPResponse object at 0x7f76ddfa39a0> def _read_status(self): > line = str(self.fp.readline(_MAXLINE + 1), "iso-8859-1") /usr/lib64/python3.11/http/client.py:286: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <socket.SocketIO object at 0x7f76ddfa0ac0> b = <memory at 0x7f76ddb98940> def readinto(self, b): """Read up to len(b) bytes into the writable buffer *b* and return the number of bytes read. If the socket is non-blocking and no bytes are available, None is returned. If *b* is non-empty, a 0 return value indicates that the connection was shutdown at the other end. """ self._checkClosed() self._checkReadable() if self._timeout_occurred: raise OSError("cannot read from timed out object") while True: try: > return self._sock.recv_into(b) E TimeoutError: timed out /usr/lib64/python3.11/socket.py:718: TimeoutError The above exception was the direct cause of the following exception: self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dda66710> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-87882a8e/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-87882a8e/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False, err = None, clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object > response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:787: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dda66710> conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f76ddbea410> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-87882a8e/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) timeout = Timeout(connect=60, read=60, total=None), chunked = False response_conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f76ddbea410> preload_content = False, decode_content = False, enforce_content_length = True def _make_request( self, conn: BaseHTTPConnection, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | None = None, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, chunked: bool = False, response_conn: BaseHTTPConnection | None = None, preload_content: bool = True, decode_content: bool = True, enforce_content_length: bool = True, ) -> BaseHTTPResponse: """ Perform a request on a given urllib connection object taken from our pool. :param conn: a connection from one of our connection pools :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. Pass ``None`` to retry until you receive a response. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param response_conn: Set this to ``None`` if you will handle releasing the connection or set the connection to have the response release it. :param preload_content: If True, the response's body will be preloaded during construction. :param decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param enforce_content_length: Enforce content length checking. Body returned by server must match value of Content-Length header, if present. Otherwise, raise error. """ self.num_requests += 1 timeout_obj = self._get_timeout(timeout) timeout_obj.start_connect() conn.timeout = Timeout.resolve_default_timeout(timeout_obj.connect_timeout) try: # Trigger any extra validation we need to do. try: self._validate_conn(conn) except (SocketTimeout, BaseSSLError) as e: self._raise_timeout(err=e, url=url, timeout_value=conn.timeout) raise # _validate_conn() starts the connection to an HTTPS proxy # so we need to wrap errors with 'ProxyError' here too. except ( OSError, NewConnectionError, TimeoutError, BaseSSLError, CertificateError, SSLError, ) as e: new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) # If the connection didn't successfully connect to it's proxy # then there if isinstance( new_e, (OSError, NewConnectionError, TimeoutError, SSLError) ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) raise new_e # conn.request() calls http.client.*.request, not the method in # urllib3.request. It also calls makefile (recv) on the socket. try: conn.request( method, url, body=body, headers=headers, chunked=chunked, preload_content=preload_content, decode_content=decode_content, enforce_content_length=enforce_content_length, ) # We are swallowing BrokenPipeError (errno.EPIPE) since the server is # legitimately able to close the connection after sending a valid response. # With this behaviour, the received response is still readable. except BrokenPipeError: pass except OSError as e: # MacOS/Linux # EPROTOTYPE and ECONNRESET are needed on macOS # https://erickt.github.io/blog/2014/11/19/adventures-in-debugging-a-potential-osx-kernel-bug/ # Condition changed later to emit ECONNRESET instead of only EPROTOTYPE. if e.errno != errno.EPROTOTYPE and e.errno != errno.ECONNRESET: raise # Reset the timeout for the recv() on the socket read_timeout = timeout_obj.read_timeout if not conn.is_closed: # In Python 3 socket.py will catch EAGAIN and return None when you # try and read into the file pointer created by http.client, which # instead raises a BadStatusLine exception. Instead of catching # the exception and assuming all BadStatusLine exceptions are read # timeouts, check for a zero timeout before making the request. if read_timeout == 0: raise ReadTimeoutError( self, url, f"Read timed out. (read timeout={read_timeout})" ) conn.timeout = read_timeout # Receive the response from the server try: response = conn.getresponse() except (BaseSSLError, OSError) as e: > self._raise_timeout(err=e, url=url, timeout_value=read_timeout) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:536: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dda66710> err = TimeoutError('timed out') url = '/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-87882a8e/v1/completions' timeout_value = 60 def _raise_timeout( self, err: BaseSSLError | OSError | SocketTimeout, url: str, timeout_value: _TYPE_TIMEOUT | None, ) -> None: """Is the error actually a timeout? Will raise a ReadTimeout or pass""" if isinstance(err, SocketTimeout): > raise ReadTimeoutError( self, url, f"Read timed out. (read timeout={timeout_value})" ) from err E urllib3.exceptions.ReadTimeoutError: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:367: ReadTimeoutError The above exception was the direct cause of the following exception: self = <requests.adapters.HTTPAdapter object at 0x7f76dda66910> request = <PreparedRequest [POST]>, stream = False timeout = Timeout(connect=60, read=60, total=None), verify = '/tmp/ca.crt' cert = None, proxies = OrderedDict() def send( self, request, stream=False, timeout=None, verify=True, cert=None, proxies=None ): """Sends PreparedRequest object. Returns Response object. :param request: The :class:`PreparedRequest <PreparedRequest>` being sent. :param stream: (optional) Whether to stream the request content. :param timeout: (optional) How long to wait for the server to send data before giving up, as a float, or a :ref:`(connect timeout, read timeout) <timeouts>` tuple. :type timeout: float or tuple or urllib3 Timeout object :param verify: (optional) Either a boolean, in which case it controls whether we verify the server's TLS certificate, or a string, in which case it must be a path to a CA bundle to use :param cert: (optional) Any user-provided SSL certificate to be trusted. :param proxies: (optional) The proxies dictionary to apply to the request. :rtype: requests.Response """ try: conn = self.get_connection_with_tls_context( request, verify, proxies=proxies, cert=cert ) except LocationValueError as e: raise InvalidURL(e, request=request) self.cert_verify(conn, request.url, verify, cert) url = self.request_url(request, proxies) self.add_headers( request, stream=stream, timeout=timeout, verify=verify, cert=cert, proxies=proxies, ) chunked = not (request.body is None or "Content-Length" in request.headers) if isinstance(timeout, tuple): try: connect, read = timeout timeout = TimeoutSauce(connect=connect, read=read) except ValueError: raise ValueError( f"Invalid timeout {timeout}. Pass a (connect, read) timeout tuple, " f"or a single float to set both timeouts to the same value." ) elif isinstance(timeout, TimeoutSauce): pass else: timeout = TimeoutSauce(connect=timeout, read=timeout) try: > resp = conn.urlopen( method=request.method, url=url, body=request.body, headers=request.headers, redirect=False, assert_same_host=False, preload_content=False, decode_content=False, retries=self.max_retries, timeout=timeout, chunked=chunked, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/adapters.py:667: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dda66710> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-87882a8e/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=7, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-87882a8e/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dda66710> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-87882a8e/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=6, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-87882a8e/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dda66710> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-87882a8e/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=5, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-87882a8e/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dda66710> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-87882a8e/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=4, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-87882a8e/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dda66710> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-87882a8e/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=3, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-87882a8e/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dda66710> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-87882a8e/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=2, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-87882a8e/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dda66710> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-87882a8e/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=1, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-87882a8e/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dda66710> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-87882a8e/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-87882a8e/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = RemoteDisconnected('Remote end closed connection without response') clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dda66710> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-87882a8e/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-87882a8e/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False, err = None, clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) > retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:841: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = Retry(total=0, connect=None, read=None, redirect=None, status=None) method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-87882a8e/v1/completions' response = None error = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") _pool = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dda66710> _stacktrace = <traceback object at 0x7f76ddbe87c0> def increment( self, method: str | None = None, url: str | None = None, response: BaseHTTPResponse | None = None, error: Exception | None = None, _pool: ConnectionPool | None = None, _stacktrace: TracebackType | None = None, ) -> Self: """Return a new Retry object with incremented retry counters. :param response: A response object, or None, if the server did not return a response. :type response: :class:`~urllib3.response.BaseHTTPResponse` :param Exception error: An error encountered during the request, or None if the response was received successfully. :return: A new ``Retry`` object. """ if self.total is False and error: # Disabled, indicate to re-raise the error. raise reraise(type(error), error, _stacktrace) total = self.total if total is not None: total -= 1 connect = self.connect read = self.read redirect = self.redirect status_count = self.status other = self.other cause = "unknown" status = None redirect_location = None if error and self._is_connection_error(error): # Connect retry? if connect is False: raise reraise(type(error), error, _stacktrace) elif connect is not None: connect -= 1 elif error and self._is_read_error(error): # Read retry? if read is False or method is None or not self._is_method_retryable(method): raise reraise(type(error), error, _stacktrace) elif read is not None: read -= 1 elif error: # Other retry? if other is not None: other -= 1 elif response and response.get_redirect_location(): # Redirect retry? if redirect is not None: redirect -= 1 cause = "too many redirects" response_redirect_location = response.get_redirect_location() if response_redirect_location: redirect_location = response_redirect_location status = response.status else: # Incrementing because of a server error like a 500 in # status_forcelist and the given method is in the allowed_methods cause = ResponseError.GENERIC_ERROR if response and response.status: if status_count is not None: status_count -= 1 cause = ResponseError.SPECIFIC_ERROR.format(status_code=response.status) status = response.status history = self.history + ( RequestHistory(method, url, error, status, redirect_location), ) new_retry = self.new( total=total, connect=connect, read=read, redirect=redirect, status=status_count, other=other, history=history, ) if new_retry.is_exhausted(): reason = error or ResponseError(cause) > raise MaxRetryError(_pool, url, reason) from reason # type: ignore[arg-type] E urllib3.exceptions.MaxRetryError: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Max retries exceeded with url: /kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-87882a8e/v1/completions (Caused by ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)")) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/util/retry.py:519: MaxRetryError During handling of the above exception, another exception occurred: def get_successful_response(): try: if test_case.url_getter: service_url = test_case.url_getter(kserve_client, test_case.llm_service) else: service_url = get_llm_service_url(kserve_client, test_case.llm_service) except Exception as e: raise AssertionError(f"❌ Failed to get service URL: {e}") from e model_url = service_url + test_case.endpoint headers = {"Content-Type": "application/json"} if extra_headers: headers.update(extra_headers) if test_case.payload_formatter is not None: test_payload = test_case.payload_formatter(test_case) elif test_case.prompt is not None: test_payload = { "model": test_case.model_name if not extra_headers or MODEL_ROUTING_HEADER not in extra_headers else extra_headers[MODEL_ROUTING_HEADER], "prompt": test_case.prompt, "max_tokens": test_case.max_tokens, } else: test_payload = None logger.info(f"Calling LLM service at {model_url} with payload {test_payload}") try: if test_payload is not None: > response = post_with_retry( model_url, headers=headers, json_data=test_payload, timeout=test_case.response_timeout, ) llmisvc/test_llm_inference_service.py:1095: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ url = 'http://a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-87882a8e/v1/completions' def post_with_retry( url: str, *, headers: Dict = None, json_data: Union[Dict, List] = None, data: Union[str, bytes] = None, stream: bool = False, timeout: float = None, total_retries: int = DEFAULT_RETRY_TOTAL, backoff_factor: float = DEFAULT_RETRY_BACKOFF_FACTOR, retry_status_codes=DEFAULT_RETRY_STATUS_CODES, ) -> requests.Response: """ Send POST request with retries for transient HTTP and network failures. """ if json_data is not None and data is not None: raise ValueError("Only one of json_data or data can be provided.") with _retry_session( ["POST"], total_retries, backoff_factor, retry_status_codes ) as session: > return session.post( url, json=json_data, data=data, headers=headers, stream=stream, timeout=timeout, ) common/http_retry.py:70: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.sessions.Session object at 0x7f76dda30b90> url = 'http://a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-87882a8e/v1/completions' data = None json = {'max_tokens': 20, 'model': 'facebook/opt-125m', 'prompt': 'KServe is a'} kwargs = {'headers': {'Content-Type': 'application/json'}, 'stream': False, 'timeout': 60} def post(self, url, data=None, json=None, **kwargs): r"""Sends a POST request. Returns :class:`Response` object. :param url: URL for the new :class:`Request` object. :param data: (optional) Dictionary, list of tuples, bytes, or file-like object to send in the body of the :class:`Request`. :param json: (optional) json to send in the body of the :class:`Request`. :param \*\*kwargs: Optional arguments that ``request`` takes. :rtype: requests.Response """ > return self.request("POST", url, data=data, json=json, **kwargs) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/sessions.py:637: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.sessions.Session object at 0x7f76dda30b90>, method = 'POST' url = 'http://a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-87882a8e/v1/completions' params = None, data = None, headers = {'Content-Type': 'application/json'} cookies = None, files = None, auth = None, timeout = 60, allow_redirects = True proxies = {}, hooks = None, stream = False, verify = None, cert = None json = {'max_tokens': 20, 'model': 'facebook/opt-125m', 'prompt': 'KServe is a'} def request( self, method, url, params=None, data=None, headers=None, cookies=None, files=None, auth=None, timeout=None, allow_redirects=True, proxies=None, hooks=None, stream=None, verify=None, cert=None, json=None, ): """Constructs a :class:`Request <Request>`, prepares it and sends it. Returns :class:`Response <Response>` object. :param method: method for the new :class:`Request` object. :param url: URL for the new :class:`Request` object. :param params: (optional) Dictionary or bytes to be sent in the query string for the :class:`Request`. :param data: (optional) Dictionary, list of tuples, bytes, or file-like object to send in the body of the :class:`Request`. :param json: (optional) json to send in the body of the :class:`Request`. :param headers: (optional) Dictionary of HTTP Headers to send with the :class:`Request`. :param cookies: (optional) Dict or CookieJar object to send with the :class:`Request`. :param files: (optional) Dictionary of ``'filename': file-like-objects`` for multipart encoding upload. :param auth: (optional) Auth tuple or callable to enable Basic/Digest/Custom HTTP Auth. :param timeout: (optional) How long to wait for the server to send data before giving up, as a float, or a :ref:`(connect timeout, read timeout) <timeouts>` tuple. :type timeout: float or tuple :param allow_redirects: (optional) Set to True by default. :type allow_redirects: bool :param proxies: (optional) Dictionary mapping protocol or protocol and hostname to the URL of the proxy. :param hooks: (optional) Dictionary mapping hook name to one event or list of events, event must be callable. :param stream: (optional) whether to immediately download the response content. Defaults to ``False``. :param verify: (optional) Either a boolean, in which case it controls whether we verify the server's TLS certificate, or a string, in which case it must be a path to a CA bundle to use. Defaults to ``True``. When set to ``False``, requests will accept any TLS certificate presented by the server, and will ignore hostname mismatches and/or expired certificates, which will make your application vulnerable to man-in-the-middle (MitM) attacks. Setting verify to ``False`` may be useful during local development or testing. :param cert: (optional) if String, path to ssl client cert file (.pem). If Tuple, ('cert', 'key') pair. :rtype: requests.Response """ # Create the Request. req = Request( method=method.upper(), url=url, headers=headers, files=files, data=data or {}, json=json, params=params or {}, auth=auth, cookies=cookies, hooks=hooks, ) prep = self.prepare_request(req) proxies = proxies or {} settings = self.merge_environment_settings( prep.url, proxies, stream, verify, cert ) # Send the request. send_kwargs = { "timeout": timeout, "allow_redirects": allow_redirects, } send_kwargs.update(settings) > resp = self.send(prep, **send_kwargs) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/sessions.py:589: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.sessions.Session object at 0x7f76dda30b90> request = <PreparedRequest [POST]> kwargs = {'cert': None, 'proxies': OrderedDict(), 'stream': False, 'timeout': 60, ...} allow_redirects = True, stream = False, hooks = {'response': []} adapter = <requests.adapters.HTTPAdapter object at 0x7f76dda66910> start = 1783001334.4589794 def send(self, request, **kwargs): """Send a given PreparedRequest. :rtype: requests.Response """ # Set defaults that the hooks can utilize to ensure they always have # the correct parameters to reproduce the previous request. kwargs.setdefault("stream", self.stream) kwargs.setdefault("verify", self.verify) kwargs.setdefault("cert", self.cert) if "proxies" not in kwargs: kwargs["proxies"] = resolve_proxies(request, self.proxies, self.trust_env) # It's possible that users might accidentally send a Request object. # Guard against that specific failure case. if isinstance(request, Request): raise ValueError("You can only send PreparedRequests.") # Set up variables needed for resolve_redirects and dispatching of hooks allow_redirects = kwargs.pop("allow_redirects", True) stream = kwargs.get("stream") hooks = request.hooks # Get the appropriate adapter to use adapter = self.get_adapter(url=request.url) # Start time (approximately) of the request start = preferred_clock() # Send the request > r = adapter.send(request, **kwargs) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/sessions.py:703: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.adapters.HTTPAdapter object at 0x7f76dda66910> request = <PreparedRequest [POST]>, stream = False timeout = Timeout(connect=60, read=60, total=None), verify = '/tmp/ca.crt' cert = None, proxies = OrderedDict() def send( self, request, stream=False, timeout=None, verify=True, cert=None, proxies=None ): """Sends PreparedRequest object. Returns Response object. :param request: The :class:`PreparedRequest <PreparedRequest>` being sent. :param stream: (optional) Whether to stream the request content. :param timeout: (optional) How long to wait for the server to send data before giving up, as a float, or a :ref:`(connect timeout, read timeout) <timeouts>` tuple. :type timeout: float or tuple or urllib3 Timeout object :param verify: (optional) Either a boolean, in which case it controls whether we verify the server's TLS certificate, or a string, in which case it must be a path to a CA bundle to use :param cert: (optional) Any user-provided SSL certificate to be trusted. :param proxies: (optional) The proxies dictionary to apply to the request. :rtype: requests.Response """ try: conn = self.get_connection_with_tls_context( request, verify, proxies=proxies, cert=cert ) except LocationValueError as e: raise InvalidURL(e, request=request) self.cert_verify(conn, request.url, verify, cert) url = self.request_url(request, proxies) self.add_headers( request, stream=stream, timeout=timeout, verify=verify, cert=cert, proxies=proxies, ) chunked = not (request.body is None or "Content-Length" in request.headers) if isinstance(timeout, tuple): try: connect, read = timeout timeout = TimeoutSauce(connect=connect, read=read) except ValueError: raise ValueError( f"Invalid timeout {timeout}. Pass a (connect, read) timeout tuple, " f"or a single float to set both timeouts to the same value." ) elif isinstance(timeout, TimeoutSauce): pass else: timeout = TimeoutSauce(connect=timeout, read=timeout) try: resp = conn.urlopen( method=request.method, url=url, body=request.body, headers=request.headers, redirect=False, assert_same_host=False, preload_content=False, decode_content=False, retries=self.max_retries, timeout=timeout, chunked=chunked, ) except (ProtocolError, OSError) as err: raise ConnectionError(err, request=request) except MaxRetryError as e: if isinstance(e.reason, ConnectTimeoutError): # TODO: Remove this in 3.0.0: see #2811 if not isinstance(e.reason, NewConnectionError): raise ConnectTimeout(e, request=request) if isinstance(e.reason, ResponseError): raise RetryError(e, request=request) if isinstance(e.reason, _ProxyError): raise ProxyError(e, request=request) if isinstance(e.reason, _SSLError): # This branch is for urllib3 v1.22 and later. raise SSLError(e, request=request) > raise ConnectionError(e, request=request) E requests.exceptions.ConnectionError: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Max retries exceeded with url: /kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-87882a8e/v1/completions (Caused by ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)")) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/adapters.py:700: ConnectionError The above exception was the direct cause of the following exception: test_case = TestCase(base_refs=['router-managed', 'workload-single-cpu', 'model-fb-opt-125m'], prompt='KServe is a', service_name=... {'name': 'model-fb-opt-125m-llmisvc-model-2a331009'}]}, 'status': None}, model_name='facebook/opt-125m') @pytest.mark.llminferenceservice @pytest.mark.asyncio(loop_scope="session") @pytest.mark.parametrize( "test_case", [ pytest.param( TestCase( base_refs=[ "router-with-gateway-ref", "router-with-managed-route", "model-fb-opt-125m", "workload-llmd-simulator", ], endpoint="/v1/completions", prompt="KServe is a", payload_formatter=completions_payload, response_assertion=create_response_assertion(with_field="choices"), expected_gateway=ROUTER_GATEWAYS[0], before_test=[ lambda: create_router_resources( gateways=[ROUTER_GATEWAYS[0]], ) ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, pytest.mark.custom_gateway, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-fb-opt-125m", ], prompt="KServe is a", payload_formatter=completions_payload, response_assertion=assert_200_with_choices, ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-custom-route-timeout", "scheduler-managed", "workload-single-cpu", "model-fb-opt-125m", ], prompt="KServe is a", service_name="custom-route-timeout-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-with-refs", "scheduler-managed", "workload-single-cpu", "model-fb-opt-125m", ], prompt="KServe is a", service_name="router-with-refs-test", expected_gateway=ROUTER_GATEWAYS[0], before_test=[ lambda: create_router_resources( gateways=[ROUTER_GATEWAYS[0]], routes=[ROUTER_ROUTES[0], ROUTER_ROUTES[1]], ) ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.custom_gateway, ], ), pytest.param( TestCase( base_refs=["router-managed", "workload-pd-cpu", "model-fb-opt-125m"], prompt="You are an expert in Kubernetes-native machine learning serving platforms, with deep knowledge of the KServe project. " "Explain the challenges of serving large-scale models, GPU scheduling, and how KServe integrates with capabilities like multi-model serving. " "Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", response_assertion=assert_200_with_choices, ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-custom-route-timeout-pd", "scheduler-managed", "workload-pd-cpu", "model-fb-opt-125m", ], prompt="You are an expert in Kubernetes-native machine learning serving platforms, with deep knowledge of the KServe project. " "Explain the challenges of serving large-scale models, GPU scheduling, and how KServe integrates with capabilities like multi-model serving. " "Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", service_name="custom-route-timeout-pd-test", response_assertion=assert_200_with_choices, ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-with-refs-pd", "scheduler-managed", "workload-pd-cpu", "model-fb-opt-125m", ], prompt="You are an expert in Kubernetes-native machine learning serving platforms, with deep knowledge of the KServe project. " "Explain the challenges of serving large-scale models, GPU scheduling, and how KServe integrates with capabilities like multi-model serving. " "Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", service_name="router-with-refs-pd-test", response_assertion=assert_200_with_choices, expected_gateway=ROUTER_GATEWAYS[1], before_test=[ lambda: create_router_resources( gateways=[ROUTER_GATEWAYS[1]], routes=[ROUTER_ROUTES[2], ROUTER_ROUTES[3]], ) ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.custom_gateway, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-dp-ep-gpu", "workload-dp-ep-prefill-gpu", "model-deepseek-v2-lite", ], prompt="Delve into the multifaceted implications of a fully disaggregated cloud architecture, specifically " "where the compute plane (P) and the data plane (D) are independently deployed and managed for a " "geographically distributed, high-throughput, low-latency microservices ecosystem. Beyond the " "fundamental challenges of network latency and data consistency, elaborate on the advanced " "considerations and trade-offs inherent in such a setup: 1. Network Architecture and Protocols: " "How would the network fabric and underlying protocols (e.g., RDMA, custom transport layers) need to " "evolve to support optimal performance and minimize inter-plane communication overhead, especially for " "synchronous operations? Discuss the role of network programmability (e.g., SDN, P4) in dynamically " "optimizing routing and traffic flow between P and D. 2. Advanced Data Consistency and Durability: " "Explore sophisticated data consistency models (e.g., causal consistency, strong eventual consistency) " "and their applicability in balancing performance and data integrity across a globally distributed data plane. " "Detail strategies for ensuring data durability and fault tolerance, including multi-region replication, " "intelligent partitioning, and recovery mechanisms in the event of partial or full plane failures. " "3. Dynamic Resource Orchestration and Cost Optimization: Analyze how an orchestration layer would intelligently " "manage the independent scaling of compute (P) and data (D) resources, considering fluctuating workloads, " "cost efficiency, and performance targets (e.g., using predictive analytics for resource provisioning). " "Discuss mechanisms for dynamically reallocating compute nodes to different data partitions based on " "workload patterns and data locality, potentially involving live migration strategies. " "4. Security and Compliance in a Distributed Landscape: Address the enhanced security perimeter " "challenges, including securing communication channels between P and D (encryption in transit, mutual TLS), " "fine-grained access control to data at rest and in motion, and identity management across disaggregated " "components. Discuss how such an architecture impacts compliance with regulatory frameworks (e.g., GDPR, HIPAA) " "concerning data sovereignty, privacy, and auditability. 5. Operational Complexity and Observability: " "Examine the increased complexity in monitoring, logging, and tracing across highly decoupled compute and " "data planes. What specialized tooling and practices (e.g., distributed tracing with OpenTelemetry, advanced AIOps) " "would be essential? How would incident response and troubleshooting differ in this disaggregated environment " "compared to traditional integrated systems? Consider the challenges of pinpointing root causes across " "independent failures. 6. Real-world Applicability and Future Trends: Identify specific industries " "or use cases (e.g., high-frequency trading, IoT edge processing, large language model inference) " "where the benefits of P/D disaggregation would strongly outweigh its complexities. " "Conclude by speculating on emerging technologies or paradigms (e.g., serverless compute functions " "directly interacting with object storage, in-memory disaggregation) that could further drive or " "transform P/D disaggregation in cloud computing.", max_tokens=2000, ), marks=[ pytest.mark.cluster_gpu, pytest.mark.cluster_nvidia, pytest.mark.cluster_nvidia_roce, ], ), pytest.param( TestCase( base_refs=[ "router-no-scheduler", "workload-single-cpu", "model-fb-opt-125m", ], prompt="What is KServe?", ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.no_scheduler, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-simulated-dp-ep-cpu", "model-fb-opt-125m", ], prompt="This test simulates DP+EP that can run on CPU, the idea is to test the LWS-based deployment, " "but without the resources requirements for DP+EP (GPUs and ROCe/IB).", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_multi_node], ), # Scheduler config tests pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-inline-config", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-inline-config-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), # Chat completions endpoint coverage pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", "model-qwen2.5-0.5b", ], model_name="Qwen/Qwen2.5-0.5B-Instruct", endpoint="/v1/chat/completions", prompt="What is KServe?", payload_formatter=chat_completions_payload, response_assertion=create_response_assertion(with_field="choices"), ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-configmap-ref", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-configmap-ref-test", before_test=[create_scheduler_configmap], after_test=[delete_scheduler_configmap], ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-replicas", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-ha-replicas-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-custom-template", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-custom-template-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), # Scheduler v0.6 → v0.7 migration tests. # Deploy v0.6-style configs and verify the controller migrates them # so the v0.7 scheduler boots successfully. pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-v06-pd-config-migration", "workload-llmd-simulator-pd", ], prompt="KServe is a", service_name="scheduler-v06-pd-migration-test", response_assertion=assert_200_with_choices, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-v06-nonzero-threshold-migration", "workload-llmd-simulator-pd", ], prompt="KServe is a", service_name="scheduler-v06-threshold-migration-test", response_assertion=assert_200_with_choices, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), # Precise prefix KV cache routing test pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-precise-prefix-cache-inline-config", "workload-llmd-simulator-kvcache", ], prompt="KServe is a", service_name="precise-prefix-cache-test", ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), # Models endpoint coverage pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", ], endpoint="/v1/models", response_assertion=create_response_assertion(with_field="data"), ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), # Model-based routing via X-Gateway-Model-Name header — /v1/completions pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", ], endpoint="/v1/completions", prompt="KServe is a", payload_formatter=completions_payload, response_assertion=assert_model_field_matches("facebook/opt-125m"), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", }, peers=[ TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", "model-qwen2.5-0.5b", ], endpoint="/v1/completions", prompt="KServe is a", payload_formatter=completions_payload, response_assertion=assert_model_field_matches( "Qwen/Qwen2.5-0.5B-Instruct" ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/Qwen/Qwen2.5-0.5B-Instruct", }, ), ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, pytest.mark.model_routing, ], ), # Model-based routing via X-Gateway-Model-Name header — /v1/chat/completions pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", ], endpoint="/v1/chat/completions", prompt="What is KServe?", payload_formatter=chat_completions_payload, response_assertion=assert_model_field_matches("facebook/opt-125m"), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", }, peers=[ TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", "model-qwen2.5-0.5b", ], endpoint="/v1/chat/completions", prompt="What is KServe?", payload_formatter=chat_completions_payload, response_assertion=assert_model_field_matches( "Qwen/Qwen2.5-0.5B-Instruct" ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/Qwen/Qwen2.5-0.5B-Instruct", }, ), ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, pytest.mark.model_routing, ], ), # Model-based routing via X-Gateway-Model-Name header — LoRA adapter pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-fb-opt-125m-with-lora-hf", ], endpoint="/v1/completions", prompt="KServe is a", model_name=f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1", payload_formatter=completions_payload, response_assertion=assert_model_field_matches( f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1" ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1", }, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.model_routing, pytest.mark.lora, ], ), # Model-based routing via X-Gateway-Model-Name header — /v1/models (base + LoRA) pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-fb-opt-125m-with-lora-hf", ], endpoint="/v1/models", response_assertion=assert_models_contains( "facebook/opt-125m", f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", "lora-adapter-1", f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1", ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", }, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.model_routing, pytest.mark.lora, ], ), # PVC storage tests -- validate direct PVC volume mount with real vLLM serving pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-pvc", ], prompt="KServe is a", response_assertion=assert_200_with_choices, before_test=[ensure_pvc_with_model], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.pvc_storage, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-pd-cpu", "model-pvc", ], prompt="KServe is a", response_assertion=assert_200_with_choices, before_test=[ensure_pvc_with_model], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.pvc_storage, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-simulated-dp-ep-cpu", "model-pvc", ], prompt="KServe is a", before_test=[ensure_pvc_with_model], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_multi_node, pytest.mark.pvc_storage, ], ), ], indirect=["test_case"], ids=generate_test_id, ) @log_execution def test_llm_inference_service(test_case: TestCase): # noqa: F811 inject_k8s_proxy() kserve_client = KServeClient( config_file=os.environ.get("KUBECONFIG", "~/.kube/config"), client_configuration=client.Configuration(), ) service_name = test_case.llm_service.metadata.name if not test_case.llm_service.metadata.annotations: test_case.llm_service.metadata.annotations = {} test_case.llm_service.metadata.annotations[ "security.opendatahub.io/enable-auth" ] = "false" prefix = test_case.log_prefix test_failed = False try: print(f"{prefix} Creating LLMInferenceService {service_name}") create_llmisvc(kserve_client, test_case.llm_service) print(f"{prefix} Waiting for LLMInferenceService {service_name} to be ready") wait_for_llm_isvc_ready( kserve_client, test_case.llm_service, test_case.wait_timeout ) print(f"{prefix} Waiting for model response from {service_name}") > wait_for_model_response( kserve_client, test_case, test_case.wait_timeout, extra_headers=test_case.extra_headers, ) llmisvc/test_llm_inference_service.py:816: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ args = (<kserve.api.kserve_client.KServeClient object at 0x7f76ddcdeed0>, TestCase(base_refs=['router-managed', 'workload-sin... {'name': 'model-fb-opt-125m-llmisvc-model-2a331009'}]}, 'status': None}, model_name='facebook/opt-125m'), 900) kwargs = {'extra_headers': None}, func_name = 'wait_for_model_response' timestamp_start = '2026-07-02T14:08:54.445756', start_time = 1783001334.4462197 duration = 904.5463769435883, timestamp_end = '2026-07-02T14:23:58.992600' @functools.wraps(func) def wrapper(*args, **kwargs): func_name = func.__name__ timestamp_start = datetime.now().isoformat() logger.info( f"[{func_name}] [{timestamp_start}] start - args={args}, kwargs={kwargs}" ) start_time = time.time() try: > result = func(*args, **kwargs) llmisvc/logging.py:40: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ kserve_client = <kserve.api.kserve_client.KServeClient object at 0x7f76ddcdeed0> test_case = TestCase(base_refs=['router-managed', 'workload-single-cpu', 'model-fb-opt-125m'], prompt='KServe is a', service_name=... {'name': 'model-fb-opt-125m-llmisvc-model-2a331009'}]}, 'status': None}, model_name='facebook/opt-125m') timeout_seconds = 900, extra_headers = None @log_execution def wait_for_model_response( kserve_client: KServeClient, test_case: TestCase, # noqa: F811 timeout_seconds: int = 900, extra_headers: Optional[Dict[str, str]] = None, ) -> str: def get_successful_response(): try: if test_case.url_getter: service_url = test_case.url_getter(kserve_client, test_case.llm_service) else: service_url = get_llm_service_url(kserve_client, test_case.llm_service) except Exception as e: raise AssertionError(f"❌ Failed to get service URL: {e}") from e model_url = service_url + test_case.endpoint headers = {"Content-Type": "application/json"} if extra_headers: headers.update(extra_headers) if test_case.payload_formatter is not None: test_payload = test_case.payload_formatter(test_case) elif test_case.prompt is not None: test_payload = { "model": test_case.model_name if not extra_headers or MODEL_ROUTING_HEADER not in extra_headers else extra_headers[MODEL_ROUTING_HEADER], "prompt": test_case.prompt, "max_tokens": test_case.max_tokens, } else: test_payload = None logger.info(f"Calling LLM service at {model_url} with payload {test_payload}") try: if test_payload is not None: response = post_with_retry( model_url, headers=headers, json_data=test_payload, timeout=test_case.response_timeout, ) else: response = get_with_retry( model_url, headers=headers, timeout=test_case.response_timeout, ) except Exception as e: logger.error(f"❌ Failed to call model: {e}") raise AssertionError(f"❌ Failed to call model: {e}") from e logger.info(f"Model response is {response.status_code}: {response.text[:500]}") if 200 <= response.status_code < 300: return response raise AssertionError( f"Service returned {response.status_code}: {response.text}" ) > response = wait_for(get_successful_response, timeout=timeout_seconds, interval=5.0) llmisvc/test_llm_inference_service.py:1119: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ assertion_fn = <function wait_for_model_response.<locals>.get_successful_response at 0x7f76ddc67e20> timeout = 900, interval = 5.0 def wait_for( assertion_fn: Callable[[], Any], timeout: float = 5.0, interval: float = 0.1 ) -> Any: """Wait for the assertion to succeed within timeout.""" deadline = time.time() + timeout last_msg = None while True: try: > return assertion_fn() llmisvc/test_llm_inference_service.py:1215: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ def get_successful_response(): try: if test_case.url_getter: service_url = test_case.url_getter(kserve_client, test_case.llm_service) else: service_url = get_llm_service_url(kserve_client, test_case.llm_service) except Exception as e: raise AssertionError(f"❌ Failed to get service URL: {e}") from e model_url = service_url + test_case.endpoint headers = {"Content-Type": "application/json"} if extra_headers: headers.update(extra_headers) if test_case.payload_formatter is not None: test_payload = test_case.payload_formatter(test_case) elif test_case.prompt is not None: test_payload = { "model": test_case.model_name if not extra_headers or MODEL_ROUTING_HEADER not in extra_headers else extra_headers[MODEL_ROUTING_HEADER], "prompt": test_case.prompt, "max_tokens": test_case.max_tokens, } else: test_payload = None logger.info(f"Calling LLM service at {model_url} with payload {test_payload}") try: if test_payload is not None: response = post_with_retry( model_url, headers=headers, json_data=test_payload, timeout=test_case.response_timeout, ) else: response = get_with_retry( model_url, headers=headers, timeout=test_case.response_timeout, ) except Exception as e: logger.error(f"❌ Failed to call model: {e}") > raise AssertionError(f"❌ Failed to call model: {e}") from e E AssertionError: ❌ Failed to call model: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Max retries exceeded with url: /kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-87882a8e/v1/completions (Caused by ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)")) llmisvc/test_llm_inference_service.py:1109: AssertionErrorself = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f2814312f90> conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f2813cf9490> method = 'GET', url = '/v1/models', body = None headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/facebook/opt-125m'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) timeout = Timeout(connect=60, read=60, total=None), chunked = False response_conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f2813cf9490> preload_content = False, decode_content = False, enforce_content_length = True def _make_request( self, conn: BaseHTTPConnection, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | None = None, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, chunked: bool = False, response_conn: BaseHTTPConnection | None = None, preload_content: bool = True, decode_content: bool = True, enforce_content_length: bool = True, ) -> BaseHTTPResponse: """ Perform a request on a given urllib connection object taken from our pool. :param conn: a connection from one of our connection pools :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. Pass ``None`` to retry until you receive a response. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param response_conn: Set this to ``None`` if you will handle releasing the connection or set the connection to have the response release it. :param preload_content: If True, the response's body will be preloaded during construction. :param decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param enforce_content_length: Enforce content length checking. Body returned by server must match value of Content-Length header, if present. Otherwise, raise error. """ self.num_requests += 1 timeout_obj = self._get_timeout(timeout) timeout_obj.start_connect() conn.timeout = Timeout.resolve_default_timeout(timeout_obj.connect_timeout) try: # Trigger any extra validation we need to do. try: self._validate_conn(conn) except (SocketTimeout, BaseSSLError) as e: self._raise_timeout(err=e, url=url, timeout_value=conn.timeout) raise # _validate_conn() starts the connection to an HTTPS proxy # so we need to wrap errors with 'ProxyError' here too. except ( OSError, NewConnectionError, TimeoutError, BaseSSLError, CertificateError, SSLError, ) as e: new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) # If the connection didn't successfully connect to it's proxy # then there if isinstance( new_e, (OSError, NewConnectionError, TimeoutError, SSLError) ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) raise new_e # conn.request() calls http.client.*.request, not the method in # urllib3.request. It also calls makefile (recv) on the socket. try: conn.request( method, url, body=body, headers=headers, chunked=chunked, preload_content=preload_content, decode_content=decode_content, enforce_content_length=enforce_content_length, ) # We are swallowing BrokenPipeError (errno.EPIPE) since the server is # legitimately able to close the connection after sending a valid response. # With this behaviour, the received response is still readable. except BrokenPipeError: pass except OSError as e: # MacOS/Linux # EPROTOTYPE and ECONNRESET are needed on macOS # https://erickt.github.io/blog/2014/11/19/adventures-in-debugging-a-potential-osx-kernel-bug/ # Condition changed later to emit ECONNRESET instead of only EPROTOTYPE. if e.errno != errno.EPROTOTYPE and e.errno != errno.ECONNRESET: raise # Reset the timeout for the recv() on the socket read_timeout = timeout_obj.read_timeout if not conn.is_closed: # In Python 3 socket.py will catch EAGAIN and return None when you # try and read into the file pointer created by http.client, which # instead raises a BadStatusLine exception. Instead of catching # the exception and assuming all BadStatusLine exceptions are read # timeouts, check for a zero timeout before making the request. if read_timeout == 0: raise ReadTimeoutError( self, url, f"Read timed out. (read timeout={read_timeout})" ) conn.timeout = read_timeout # Receive the response from the server try: > response = conn.getresponse() ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:534: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f2813cf9490> def getresponse( # type: ignore[override] self, ) -> HTTPResponse: """ Get the response from the server. If the HTTPConnection is in the correct state, returns an instance of HTTPResponse or of whatever object is returned by the response_class variable. If a request has not been sent or if a previous response has not be handled, ResponseNotReady is raised. If the HTTP response indicates that the connection should be closed, then it will be closed before the response is returned. When the connection is closed, the underlying socket is closed. """ # Raise the same error as http.client.HTTPConnection if self._response_options is None: raise ResponseNotReady() # Reset this attribute for being used again. resp_options = self._response_options self._response_options = None # Since the connection's timeout value may have been updated # we need to set the timeout on the socket. self.sock.settimeout(self.timeout) # This is needed here to avoid circular import errors from .response import HTTPResponse # Save a reference to the shutdown function before ownership is passed # to httplib_response # TODO should we implement it everywhere? _shutdown = getattr(self.sock, "shutdown", None) # Get the response from http.client.HTTPConnection > httplib_response = super().getresponse() ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connection.py:571: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f2813cf9490> def getresponse(self): """Get the response from the server. If the HTTPConnection is in the correct state, returns an instance of HTTPResponse or of whatever object is returned by the response_class variable. If a request has not been sent or if a previous response has not be handled, ResponseNotReady is raised. If the HTTP response indicates that the connection should be closed, then it will be closed before the response is returned. When the connection is closed, the underlying socket is closed. """ # if a prior response has been completed, then forget about it. if self.__response and self.__response.isclosed(): self.__response = None # if a prior response exists, then it must be completed (otherwise, we # cannot read this response's header to determine the connection-close # behavior) # # note: if a prior response existed, but was connection-close, then the # socket and response were made independent of this HTTPConnection # object since a new request requires that we open a whole new # connection # # this means the prior response had one of two states: # 1) will_close: this connection was reset and the prior socket and # response operate independently # 2) persistent: the response was retained and we await its # isclosed() status to become true. # if self.__state != _CS_REQ_SENT or self.__response: raise ResponseNotReady(self.__state) if self.debuglevel > 0: response = self.response_class(self.sock, self.debuglevel, method=self._method) else: response = self.response_class(self.sock, method=self._method) try: try: > response.begin() /usr/lib64/python3.11/http/client.py:1395: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <http.client.HTTPResponse object at 0x7f2813ef82b0> def begin(self): if self.headers is not None: # we've already started reading the response return # read until we get a non-100 response while True: > version, status, reason = self._read_status() /usr/lib64/python3.11/http/client.py:325: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <http.client.HTTPResponse object at 0x7f2813ef82b0> def _read_status(self): > line = str(self.fp.readline(_MAXLINE + 1), "iso-8859-1") /usr/lib64/python3.11/http/client.py:286: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <socket.SocketIO object at 0x7f2813ef9960> b = <memory at 0x7f2813c8e5c0> def readinto(self, b): """Read up to len(b) bytes into the writable buffer *b* and return the number of bytes read. If the socket is non-blocking and no bytes are available, None is returned. If *b* is non-empty, a 0 return value indicates that the connection was shutdown at the other end. """ self._checkClosed() self._checkReadable() if self._timeout_occurred: raise OSError("cannot read from timed out object") while True: try: > return self._sock.recv_into(b) E TimeoutError: timed out /usr/lib64/python3.11/socket.py:718: TimeoutError The above exception was the direct cause of the following exception: self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f2814312f90> method = 'GET', url = '/v1/models', body = None headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/facebook/opt-125m'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/v1/models', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False, err = None, clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object > response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:787: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f2814312f90> conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f2813cf9490> method = 'GET', url = '/v1/models', body = None headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/facebook/opt-125m'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) timeout = Timeout(connect=60, read=60, total=None), chunked = False response_conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f2813cf9490> preload_content = False, decode_content = False, enforce_content_length = True def _make_request( self, conn: BaseHTTPConnection, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | None = None, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, chunked: bool = False, response_conn: BaseHTTPConnection | None = None, preload_content: bool = True, decode_content: bool = True, enforce_content_length: bool = True, ) -> BaseHTTPResponse: """ Perform a request on a given urllib connection object taken from our pool. :param conn: a connection from one of our connection pools :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. Pass ``None`` to retry until you receive a response. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param response_conn: Set this to ``None`` if you will handle releasing the connection or set the connection to have the response release it. :param preload_content: If True, the response's body will be preloaded during construction. :param decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param enforce_content_length: Enforce content length checking. Body returned by server must match value of Content-Length header, if present. Otherwise, raise error. """ self.num_requests += 1 timeout_obj = self._get_timeout(timeout) timeout_obj.start_connect() conn.timeout = Timeout.resolve_default_timeout(timeout_obj.connect_timeout) try: # Trigger any extra validation we need to do. try: self._validate_conn(conn) except (SocketTimeout, BaseSSLError) as e: self._raise_timeout(err=e, url=url, timeout_value=conn.timeout) raise # _validate_conn() starts the connection to an HTTPS proxy # so we need to wrap errors with 'ProxyError' here too. except ( OSError, NewConnectionError, TimeoutError, BaseSSLError, CertificateError, SSLError, ) as e: new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) # If the connection didn't successfully connect to it's proxy # then there if isinstance( new_e, (OSError, NewConnectionError, TimeoutError, SSLError) ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) raise new_e # conn.request() calls http.client.*.request, not the method in # urllib3.request. It also calls makefile (recv) on the socket. try: conn.request( method, url, body=body, headers=headers, chunked=chunked, preload_content=preload_content, decode_content=decode_content, enforce_content_length=enforce_content_length, ) # We are swallowing BrokenPipeError (errno.EPIPE) since the server is # legitimately able to close the connection after sending a valid response. # With this behaviour, the received response is still readable. except BrokenPipeError: pass except OSError as e: # MacOS/Linux # EPROTOTYPE and ECONNRESET are needed on macOS # https://erickt.github.io/blog/2014/11/19/adventures-in-debugging-a-potential-osx-kernel-bug/ # Condition changed later to emit ECONNRESET instead of only EPROTOTYPE. if e.errno != errno.EPROTOTYPE and e.errno != errno.ECONNRESET: raise # Reset the timeout for the recv() on the socket read_timeout = timeout_obj.read_timeout if not conn.is_closed: # In Python 3 socket.py will catch EAGAIN and return None when you # try and read into the file pointer created by http.client, which # instead raises a BadStatusLine exception. Instead of catching # the exception and assuming all BadStatusLine exceptions are read # timeouts, check for a zero timeout before making the request. if read_timeout == 0: raise ReadTimeoutError( self, url, f"Read timed out. (read timeout={read_timeout})" ) conn.timeout = read_timeout # Receive the response from the server try: response = conn.getresponse() except (BaseSSLError, OSError) as e: > self._raise_timeout(err=e, url=url, timeout_value=read_timeout) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:536: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f2814312f90> err = TimeoutError('timed out'), url = '/v1/models', timeout_value = 60 def _raise_timeout( self, err: BaseSSLError | OSError | SocketTimeout, url: str, timeout_value: _TYPE_TIMEOUT | None, ) -> None: """Is the error actually a timeout? Will raise a ReadTimeout or pass""" if isinstance(err, SocketTimeout): > raise ReadTimeoutError( self, url, f"Read timed out. (read timeout={timeout_value})" ) from err E urllib3.exceptions.ReadTimeoutError: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:367: ReadTimeoutError The above exception was the direct cause of the following exception: self = <requests.adapters.HTTPAdapter object at 0x7f2814310910> request = <PreparedRequest [GET]>, stream = False timeout = Timeout(connect=60, read=60, total=None), verify = '/tmp/ca.crt' cert = None, proxies = OrderedDict() def send( self, request, stream=False, timeout=None, verify=True, cert=None, proxies=None ): """Sends PreparedRequest object. Returns Response object. :param request: The :class:`PreparedRequest <PreparedRequest>` being sent. :param stream: (optional) Whether to stream the request content. :param timeout: (optional) How long to wait for the server to send data before giving up, as a float, or a :ref:`(connect timeout, read timeout) <timeouts>` tuple. :type timeout: float or tuple or urllib3 Timeout object :param verify: (optional) Either a boolean, in which case it controls whether we verify the server's TLS certificate, or a string, in which case it must be a path to a CA bundle to use :param cert: (optional) Any user-provided SSL certificate to be trusted. :param proxies: (optional) The proxies dictionary to apply to the request. :rtype: requests.Response """ try: conn = self.get_connection_with_tls_context( request, verify, proxies=proxies, cert=cert ) except LocationValueError as e: raise InvalidURL(e, request=request) self.cert_verify(conn, request.url, verify, cert) url = self.request_url(request, proxies) self.add_headers( request, stream=stream, timeout=timeout, verify=verify, cert=cert, proxies=proxies, ) chunked = not (request.body is None or "Content-Length" in request.headers) if isinstance(timeout, tuple): try: connect, read = timeout timeout = TimeoutSauce(connect=connect, read=read) except ValueError: raise ValueError( f"Invalid timeout {timeout}. Pass a (connect, read) timeout tuple, " f"or a single float to set both timeouts to the same value." ) elif isinstance(timeout, TimeoutSauce): pass else: timeout = TimeoutSauce(connect=timeout, read=timeout) try: > resp = conn.urlopen( method=request.method, url=url, body=request.body, headers=request.headers, redirect=False, assert_same_host=False, preload_content=False, decode_content=False, retries=self.max_retries, timeout=timeout, chunked=chunked, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/adapters.py:667: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f2814312f90> method = 'GET', url = '/v1/models', body = None headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/facebook/opt-125m'} retries = Retry(total=7, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/v1/models', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f2814312f90> method = 'GET', url = '/v1/models', body = None headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/facebook/opt-125m'} retries = Retry(total=6, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/v1/models', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f2814312f90> method = 'GET', url = '/v1/models', body = None headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/facebook/opt-125m'} retries = Retry(total=5, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/v1/models', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f2814312f90> method = 'GET', url = '/v1/models', body = None headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/facebook/opt-125m'} retries = Retry(total=4, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/v1/models', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f2814312f90> method = 'GET', url = '/v1/models', body = None headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/facebook/opt-125m'} retries = Retry(total=3, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/v1/models', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f2814312f90> method = 'GET', url = '/v1/models', body = None headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/facebook/opt-125m'} retries = Retry(total=2, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/v1/models', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f2814312f90> method = 'GET', url = '/v1/models', body = None headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/facebook/opt-125m'} retries = Retry(total=1, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/v1/models', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f2814312f90> method = 'GET', url = '/v1/models', body = None headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/facebook/opt-125m'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/v1/models', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f2814312f90> method = 'GET', url = '/v1/models', body = None headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/facebook/opt-125m'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/v1/models', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False, err = None, clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) > retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:841: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = Retry(total=0, connect=None, read=None, redirect=None, status=None) method = 'GET', url = '/v1/models', response = None error = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") _pool = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f2814312f90> _stacktrace = <traceback object at 0x7f2813cf9600> def increment( self, method: str | None = None, url: str | None = None, response: BaseHTTPResponse | None = None, error: Exception | None = None, _pool: ConnectionPool | None = None, _stacktrace: TracebackType | None = None, ) -> Self: """Return a new Retry object with incremented retry counters. :param response: A response object, or None, if the server did not return a response. :type response: :class:`~urllib3.response.BaseHTTPResponse` :param Exception error: An error encountered during the request, or None if the response was received successfully. :return: A new ``Retry`` object. """ if self.total is False and error: # Disabled, indicate to re-raise the error. raise reraise(type(error), error, _stacktrace) total = self.total if total is not None: total -= 1 connect = self.connect read = self.read redirect = self.redirect status_count = self.status other = self.other cause = "unknown" status = None redirect_location = None if error and self._is_connection_error(error): # Connect retry? if connect is False: raise reraise(type(error), error, _stacktrace) elif connect is not None: connect -= 1 elif error and self._is_read_error(error): # Read retry? if read is False or method is None or not self._is_method_retryable(method): raise reraise(type(error), error, _stacktrace) elif read is not None: read -= 1 elif error: # Other retry? if other is not None: other -= 1 elif response and response.get_redirect_location(): # Redirect retry? if redirect is not None: redirect -= 1 cause = "too many redirects" response_redirect_location = response.get_redirect_location() if response_redirect_location: redirect_location = response_redirect_location status = response.status else: # Incrementing because of a server error like a 500 in # status_forcelist and the given method is in the allowed_methods cause = ResponseError.GENERIC_ERROR if response and response.status: if status_count is not None: status_count -= 1 cause = ResponseError.SPECIFIC_ERROR.format(status_code=response.status) status = response.status history = self.history + ( RequestHistory(method, url, error, status, redirect_location), ) new_retry = self.new( total=total, connect=connect, read=read, redirect=redirect, status=status_count, other=other, history=history, ) if new_retry.is_exhausted(): reason = error or ResponseError(cause) > raise MaxRetryError(_pool, url, reason) from reason # type: ignore[arg-type] E urllib3.exceptions.MaxRetryError: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Max retries exceeded with url: /v1/models (Caused by ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)")) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/util/retry.py:519: MaxRetryError During handling of the above exception, another exception occurred: def get_successful_response(): try: if test_case.url_getter: service_url = test_case.url_getter(kserve_client, test_case.llm_service) else: service_url = get_llm_service_url(kserve_client, test_case.llm_service) except Exception as e: raise AssertionError(f"❌ Failed to get service URL: {e}") from e model_url = service_url + test_case.endpoint headers = {"Content-Type": "application/json"} if extra_headers: headers.update(extra_headers) if test_case.payload_formatter is not None: test_payload = test_case.payload_formatter(test_case) elif test_case.prompt is not None: test_payload = { "model": test_case.model_name if not extra_headers or MODEL_ROUTING_HEADER not in extra_headers else extra_headers[MODEL_ROUTING_HEADER], "prompt": test_case.prompt, "max_tokens": test_case.max_tokens, } else: test_payload = None logger.info(f"Calling LLM service at {model_url} with payload {test_payload}") try: if test_payload is not None: response = post_with_retry( model_url, headers=headers, json_data=test_payload, timeout=test_case.response_timeout, ) else: > response = get_with_retry( model_url, headers=headers, timeout=test_case.response_timeout, ) llmisvc/test_llm_inference_service.py:1102: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ url = 'http://a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com/v1/models' def get_with_retry( url: str, *, headers: Dict = None, timeout: float = None, total_retries: int = DEFAULT_RETRY_TOTAL, backoff_factor: float = DEFAULT_RETRY_BACKOFF_FACTOR, retry_status_codes=DEFAULT_RETRY_STATUS_CODES, ) -> requests.Response: """ Send GET request with retries for transient HTTP and network failures. """ with _retry_session( ["GET"], total_retries, backoff_factor, retry_status_codes ) as session: > return session.get(url, headers=headers, timeout=timeout) common/http_retry.py:46: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.sessions.Session object at 0x7f28142e01d0> url = 'http://a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com/v1/models' kwargs = {'allow_redirects': True, 'headers': {'Content-Type': 'application/json', 'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/facebook/opt-125m'}, 'timeout': 60} def get(self, url, **kwargs): r"""Sends a GET request. Returns :class:`Response` object. :param url: URL for the new :class:`Request` object. :param \*\*kwargs: Optional arguments that ``request`` takes. :rtype: requests.Response """ kwargs.setdefault("allow_redirects", True) > return self.request("GET", url, **kwargs) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/sessions.py:602: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.sessions.Session object at 0x7f28142e01d0>, method = 'GET' url = 'http://a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com/v1/models' params = None, data = None headers = {'Content-Type': 'application/json', 'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/facebook/opt-125m'} cookies = None, files = None, auth = None, timeout = 60, allow_redirects = True proxies = {}, hooks = None, stream = None, verify = None, cert = None json = None def request( self, method, url, params=None, data=None, headers=None, cookies=None, files=None, auth=None, timeout=None, allow_redirects=True, proxies=None, hooks=None, stream=None, verify=None, cert=None, json=None, ): """Constructs a :class:`Request <Request>`, prepares it and sends it. Returns :class:`Response <Response>` object. :param method: method for the new :class:`Request` object. :param url: URL for the new :class:`Request` object. :param params: (optional) Dictionary or bytes to be sent in the query string for the :class:`Request`. :param data: (optional) Dictionary, list of tuples, bytes, or file-like object to send in the body of the :class:`Request`. :param json: (optional) json to send in the body of the :class:`Request`. :param headers: (optional) Dictionary of HTTP Headers to send with the :class:`Request`. :param cookies: (optional) Dict or CookieJar object to send with the :class:`Request`. :param files: (optional) Dictionary of ``'filename': file-like-objects`` for multipart encoding upload. :param auth: (optional) Auth tuple or callable to enable Basic/Digest/Custom HTTP Auth. :param timeout: (optional) How long to wait for the server to send data before giving up, as a float, or a :ref:`(connect timeout, read timeout) <timeouts>` tuple. :type timeout: float or tuple :param allow_redirects: (optional) Set to True by default. :type allow_redirects: bool :param proxies: (optional) Dictionary mapping protocol or protocol and hostname to the URL of the proxy. :param hooks: (optional) Dictionary mapping hook name to one event or list of events, event must be callable. :param stream: (optional) whether to immediately download the response content. Defaults to ``False``. :param verify: (optional) Either a boolean, in which case it controls whether we verify the server's TLS certificate, or a string, in which case it must be a path to a CA bundle to use. Defaults to ``True``. When set to ``False``, requests will accept any TLS certificate presented by the server, and will ignore hostname mismatches and/or expired certificates, which will make your application vulnerable to man-in-the-middle (MitM) attacks. Setting verify to ``False`` may be useful during local development or testing. :param cert: (optional) if String, path to ssl client cert file (.pem). If Tuple, ('cert', 'key') pair. :rtype: requests.Response """ # Create the Request. req = Request( method=method.upper(), url=url, headers=headers, files=files, data=data or {}, json=json, params=params or {}, auth=auth, cookies=cookies, hooks=hooks, ) prep = self.prepare_request(req) proxies = proxies or {} settings = self.merge_environment_settings( prep.url, proxies, stream, verify, cert ) # Send the request. send_kwargs = { "timeout": timeout, "allow_redirects": allow_redirects, } send_kwargs.update(settings) > resp = self.send(prep, **send_kwargs) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/sessions.py:589: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.sessions.Session object at 0x7f28142e01d0> request = <PreparedRequest [GET]> kwargs = {'cert': None, 'proxies': OrderedDict(), 'stream': False, 'timeout': 60, ...} allow_redirects = True, stream = False, hooks = {'response': []} adapter = <requests.adapters.HTTPAdapter object at 0x7f2814310910> start = 1783002216.6306865 def send(self, request, **kwargs): """Send a given PreparedRequest. :rtype: requests.Response """ # Set defaults that the hooks can utilize to ensure they always have # the correct parameters to reproduce the previous request. kwargs.setdefault("stream", self.stream) kwargs.setdefault("verify", self.verify) kwargs.setdefault("cert", self.cert) if "proxies" not in kwargs: kwargs["proxies"] = resolve_proxies(request, self.proxies, self.trust_env) # It's possible that users might accidentally send a Request object. # Guard against that specific failure case. if isinstance(request, Request): raise ValueError("You can only send PreparedRequests.") # Set up variables needed for resolve_redirects and dispatching of hooks allow_redirects = kwargs.pop("allow_redirects", True) stream = kwargs.get("stream") hooks = request.hooks # Get the appropriate adapter to use adapter = self.get_adapter(url=request.url) # Start time (approximately) of the request start = preferred_clock() # Send the request > r = adapter.send(request, **kwargs) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/sessions.py:703: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.adapters.HTTPAdapter object at 0x7f2814310910> request = <PreparedRequest [GET]>, stream = False timeout = Timeout(connect=60, read=60, total=None), verify = '/tmp/ca.crt' cert = None, proxies = OrderedDict() def send( self, request, stream=False, timeout=None, verify=True, cert=None, proxies=None ): """Sends PreparedRequest object. Returns Response object. :param request: The :class:`PreparedRequest <PreparedRequest>` being sent. :param stream: (optional) Whether to stream the request content. :param timeout: (optional) How long to wait for the server to send data before giving up, as a float, or a :ref:`(connect timeout, read timeout) <timeouts>` tuple. :type timeout: float or tuple or urllib3 Timeout object :param verify: (optional) Either a boolean, in which case it controls whether we verify the server's TLS certificate, or a string, in which case it must be a path to a CA bundle to use :param cert: (optional) Any user-provided SSL certificate to be trusted. :param proxies: (optional) The proxies dictionary to apply to the request. :rtype: requests.Response """ try: conn = self.get_connection_with_tls_context( request, verify, proxies=proxies, cert=cert ) except LocationValueError as e: raise InvalidURL(e, request=request) self.cert_verify(conn, request.url, verify, cert) url = self.request_url(request, proxies) self.add_headers( request, stream=stream, timeout=timeout, verify=verify, cert=cert, proxies=proxies, ) chunked = not (request.body is None or "Content-Length" in request.headers) if isinstance(timeout, tuple): try: connect, read = timeout timeout = TimeoutSauce(connect=connect, read=read) except ValueError: raise ValueError( f"Invalid timeout {timeout}. Pass a (connect, read) timeout tuple, " f"or a single float to set both timeouts to the same value." ) elif isinstance(timeout, TimeoutSauce): pass else: timeout = TimeoutSauce(connect=timeout, read=timeout) try: resp = conn.urlopen( method=request.method, url=url, body=request.body, headers=request.headers, redirect=False, assert_same_host=False, preload_content=False, decode_content=False, retries=self.max_retries, timeout=timeout, chunked=chunked, ) except (ProtocolError, OSError) as err: raise ConnectionError(err, request=request) except MaxRetryError as e: if isinstance(e.reason, ConnectTimeoutError): # TODO: Remove this in 3.0.0: see #2811 if not isinstance(e.reason, NewConnectionError): raise ConnectTimeout(e, request=request) if isinstance(e.reason, ResponseError): raise RetryError(e, request=request) if isinstance(e.reason, _ProxyError): raise ProxyError(e, request=request) if isinstance(e.reason, _SSLError): # This branch is for urllib3 v1.22 and later. raise SSLError(e, request=request) > raise ConnectionError(e, request=request) E requests.exceptions.ConnectionError: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Max retries exceeded with url: /v1/models (Caused by ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)")) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/adapters.py:700: ConnectionError The above exception was the direct cause of the following exception: test_case = TestCase(base_refs=['router-managed', 'workload-single-cpu', 'model-fb-opt-125m-with-lora-hf'], prompt=None, service_n... {'name': 'model-fb-opt-125m-with-lora-hf-c0d503b0'}]}, 'status': None}, model_name='facebook/opt-125m') @pytest.mark.llminferenceservice @pytest.mark.asyncio(loop_scope="session") @pytest.mark.parametrize( "test_case", [ pytest.param( TestCase( base_refs=[ "router-with-gateway-ref", "router-with-managed-route", "model-fb-opt-125m", "workload-llmd-simulator", ], endpoint="/v1/completions", prompt="KServe is a", payload_formatter=completions_payload, response_assertion=create_response_assertion(with_field="choices"), expected_gateway=ROUTER_GATEWAYS[0], before_test=[ lambda: create_router_resources( gateways=[ROUTER_GATEWAYS[0]], ) ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, pytest.mark.custom_gateway, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-fb-opt-125m", ], prompt="KServe is a", payload_formatter=completions_payload, response_assertion=assert_200_with_choices, ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-custom-route-timeout", "scheduler-managed", "workload-single-cpu", "model-fb-opt-125m", ], prompt="KServe is a", service_name="custom-route-timeout-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-with-refs", "scheduler-managed", "workload-single-cpu", "model-fb-opt-125m", ], prompt="KServe is a", service_name="router-with-refs-test", expected_gateway=ROUTER_GATEWAYS[0], before_test=[ lambda: create_router_resources( gateways=[ROUTER_GATEWAYS[0]], routes=[ROUTER_ROUTES[0], ROUTER_ROUTES[1]], ) ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.custom_gateway, ], ), pytest.param( TestCase( base_refs=["router-managed", "workload-pd-cpu", "model-fb-opt-125m"], prompt="You are an expert in Kubernetes-native machine learning serving platforms, with deep knowledge of the KServe project. " "Explain the challenges of serving large-scale models, GPU scheduling, and how KServe integrates with capabilities like multi-model serving. " "Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", response_assertion=assert_200_with_choices, ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-custom-route-timeout-pd", "scheduler-managed", "workload-pd-cpu", "model-fb-opt-125m", ], prompt="You are an expert in Kubernetes-native machine learning serving platforms, with deep knowledge of the KServe project. " "Explain the challenges of serving large-scale models, GPU scheduling, and how KServe integrates with capabilities like multi-model serving. " "Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", service_name="custom-route-timeout-pd-test", response_assertion=assert_200_with_choices, ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-with-refs-pd", "scheduler-managed", "workload-pd-cpu", "model-fb-opt-125m", ], prompt="You are an expert in Kubernetes-native machine learning serving platforms, with deep knowledge of the KServe project. " "Explain the challenges of serving large-scale models, GPU scheduling, and how KServe integrates with capabilities like multi-model serving. " "Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", service_name="router-with-refs-pd-test", response_assertion=assert_200_with_choices, expected_gateway=ROUTER_GATEWAYS[1], before_test=[ lambda: create_router_resources( gateways=[ROUTER_GATEWAYS[1]], routes=[ROUTER_ROUTES[2], ROUTER_ROUTES[3]], ) ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.custom_gateway, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-dp-ep-gpu", "workload-dp-ep-prefill-gpu", "model-deepseek-v2-lite", ], prompt="Delve into the multifaceted implications of a fully disaggregated cloud architecture, specifically " "where the compute plane (P) and the data plane (D) are independently deployed and managed for a " "geographically distributed, high-throughput, low-latency microservices ecosystem. Beyond the " "fundamental challenges of network latency and data consistency, elaborate on the advanced " "considerations and trade-offs inherent in such a setup: 1. Network Architecture and Protocols: " "How would the network fabric and underlying protocols (e.g., RDMA, custom transport layers) need to " "evolve to support optimal performance and minimize inter-plane communication overhead, especially for " "synchronous operations? Discuss the role of network programmability (e.g., SDN, P4) in dynamically " "optimizing routing and traffic flow between P and D. 2. Advanced Data Consistency and Durability: " "Explore sophisticated data consistency models (e.g., causal consistency, strong eventual consistency) " "and their applicability in balancing performance and data integrity across a globally distributed data plane. " "Detail strategies for ensuring data durability and fault tolerance, including multi-region replication, " "intelligent partitioning, and recovery mechanisms in the event of partial or full plane failures. " "3. Dynamic Resource Orchestration and Cost Optimization: Analyze how an orchestration layer would intelligently " "manage the independent scaling of compute (P) and data (D) resources, considering fluctuating workloads, " "cost efficiency, and performance targets (e.g., using predictive analytics for resource provisioning). " "Discuss mechanisms for dynamically reallocating compute nodes to different data partitions based on " "workload patterns and data locality, potentially involving live migration strategies. " "4. Security and Compliance in a Distributed Landscape: Address the enhanced security perimeter " "challenges, including securing communication channels between P and D (encryption in transit, mutual TLS), " "fine-grained access control to data at rest and in motion, and identity management across disaggregated " "components. Discuss how such an architecture impacts compliance with regulatory frameworks (e.g., GDPR, HIPAA) " "concerning data sovereignty, privacy, and auditability. 5. Operational Complexity and Observability: " "Examine the increased complexity in monitoring, logging, and tracing across highly decoupled compute and " "data planes. What specialized tooling and practices (e.g., distributed tracing with OpenTelemetry, advanced AIOps) " "would be essential? How would incident response and troubleshooting differ in this disaggregated environment " "compared to traditional integrated systems? Consider the challenges of pinpointing root causes across " "independent failures. 6. Real-world Applicability and Future Trends: Identify specific industries " "or use cases (e.g., high-frequency trading, IoT edge processing, large language model inference) " "where the benefits of P/D disaggregation would strongly outweigh its complexities. " "Conclude by speculating on emerging technologies or paradigms (e.g., serverless compute functions " "directly interacting with object storage, in-memory disaggregation) that could further drive or " "transform P/D disaggregation in cloud computing.", max_tokens=2000, ), marks=[ pytest.mark.cluster_gpu, pytest.mark.cluster_nvidia, pytest.mark.cluster_nvidia_roce, ], ), pytest.param( TestCase( base_refs=[ "router-no-scheduler", "workload-single-cpu", "model-fb-opt-125m", ], prompt="What is KServe?", ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.no_scheduler, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-simulated-dp-ep-cpu", "model-fb-opt-125m", ], prompt="This test simulates DP+EP that can run on CPU, the idea is to test the LWS-based deployment, " "but without the resources requirements for DP+EP (GPUs and ROCe/IB).", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_multi_node], ), # Scheduler config tests pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-inline-config", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-inline-config-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), # Chat completions endpoint coverage pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", "model-qwen2.5-0.5b", ], model_name="Qwen/Qwen2.5-0.5B-Instruct", endpoint="/v1/chat/completions", prompt="What is KServe?", payload_formatter=chat_completions_payload, response_assertion=create_response_assertion(with_field="choices"), ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-configmap-ref", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-configmap-ref-test", before_test=[create_scheduler_configmap], after_test=[delete_scheduler_configmap], ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-replicas", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-ha-replicas-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-custom-template", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-custom-template-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), # Scheduler v0.6 → v0.7 migration tests. # Deploy v0.6-style configs and verify the controller migrates them # so the v0.7 scheduler boots successfully. pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-v06-pd-config-migration", "workload-llmd-simulator-pd", ], prompt="KServe is a", service_name="scheduler-v06-pd-migration-test", response_assertion=assert_200_with_choices, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-v06-nonzero-threshold-migration", "workload-llmd-simulator-pd", ], prompt="KServe is a", service_name="scheduler-v06-threshold-migration-test", response_assertion=assert_200_with_choices, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), # Precise prefix KV cache routing test pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-precise-prefix-cache-inline-config", "workload-llmd-simulator-kvcache", ], prompt="KServe is a", service_name="precise-prefix-cache-test", ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), # Models endpoint coverage pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", ], endpoint="/v1/models", response_assertion=create_response_assertion(with_field="data"), ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), # Model-based routing via X-Gateway-Model-Name header — /v1/completions pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", ], endpoint="/v1/completions", prompt="KServe is a", payload_formatter=completions_payload, response_assertion=assert_model_field_matches("facebook/opt-125m"), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", }, peers=[ TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", "model-qwen2.5-0.5b", ], endpoint="/v1/completions", prompt="KServe is a", payload_formatter=completions_payload, response_assertion=assert_model_field_matches( "Qwen/Qwen2.5-0.5B-Instruct" ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/Qwen/Qwen2.5-0.5B-Instruct", }, ), ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, pytest.mark.model_routing, ], ), # Model-based routing via X-Gateway-Model-Name header — /v1/chat/completions pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", ], endpoint="/v1/chat/completions", prompt="What is KServe?", payload_formatter=chat_completions_payload, response_assertion=assert_model_field_matches("facebook/opt-125m"), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", }, peers=[ TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", "model-qwen2.5-0.5b", ], endpoint="/v1/chat/completions", prompt="What is KServe?", payload_formatter=chat_completions_payload, response_assertion=assert_model_field_matches( "Qwen/Qwen2.5-0.5B-Instruct" ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/Qwen/Qwen2.5-0.5B-Instruct", }, ), ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, pytest.mark.model_routing, ], ), # Model-based routing via X-Gateway-Model-Name header — LoRA adapter pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-fb-opt-125m-with-lora-hf", ], endpoint="/v1/completions", prompt="KServe is a", model_name=f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1", payload_formatter=completions_payload, response_assertion=assert_model_field_matches( f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1" ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1", }, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.model_routing, pytest.mark.lora, ], ), # Model-based routing via X-Gateway-Model-Name header — /v1/models (base + LoRA) pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-fb-opt-125m-with-lora-hf", ], endpoint="/v1/models", response_assertion=assert_models_contains( "facebook/opt-125m", f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", "lora-adapter-1", f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1", ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", }, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.model_routing, pytest.mark.lora, ], ), # PVC storage tests -- validate direct PVC volume mount with real vLLM serving pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-pvc", ], prompt="KServe is a", response_assertion=assert_200_with_choices, before_test=[ensure_pvc_with_model], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.pvc_storage, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-pd-cpu", "model-pvc", ], prompt="KServe is a", response_assertion=assert_200_with_choices, before_test=[ensure_pvc_with_model], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.pvc_storage, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-simulated-dp-ep-cpu", "model-pvc", ], prompt="KServe is a", before_test=[ensure_pvc_with_model], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_multi_node, pytest.mark.pvc_storage, ], ), ], indirect=["test_case"], ids=generate_test_id, ) @log_execution def test_llm_inference_service(test_case: TestCase): # noqa: F811 inject_k8s_proxy() kserve_client = KServeClient( config_file=os.environ.get("KUBECONFIG", "~/.kube/config"), client_configuration=client.Configuration(), ) service_name = test_case.llm_service.metadata.name if not test_case.llm_service.metadata.annotations: test_case.llm_service.metadata.annotations = {} test_case.llm_service.metadata.annotations[ "security.opendatahub.io/enable-auth" ] = "false" prefix = test_case.log_prefix test_failed = False try: print(f"{prefix} Creating LLMInferenceService {service_name}") create_llmisvc(kserve_client, test_case.llm_service) print(f"{prefix} Waiting for LLMInferenceService {service_name} to be ready") wait_for_llm_isvc_ready( kserve_client, test_case.llm_service, test_case.wait_timeout ) print(f"{prefix} Waiting for model response from {service_name}") > wait_for_model_response( kserve_client, test_case, test_case.wait_timeout, extra_headers=test_case.extra_headers, ) llmisvc/test_llm_inference_service.py:816: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ args = (<kserve.api.kserve_client.KServeClient object at 0x7f28142d4b90>, TestCase(base_refs=['router-managed', 'workload-sin... {'name': 'model-fb-opt-125m-with-lora-hf-c0d503b0'}]}, 'status': None}, model_name='facebook/opt-125m'), 900) kwargs = {'extra_headers': {'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/facebook/opt-125m'}} func_name = 'wait_for_model_response' timestamp_start = '2026-07-02T14:23:36.620415', start_time = 1783002216.6209612 duration = 904.6363632678986, timestamp_end = '2026-07-02T14:38:41.257327' @functools.wraps(func) def wrapper(*args, **kwargs): func_name = func.__name__ timestamp_start = datetime.now().isoformat() logger.info( f"[{func_name}] [{timestamp_start}] start - args={args}, kwargs={kwargs}" ) start_time = time.time() try: > result = func(*args, **kwargs) llmisvc/logging.py:40: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ kserve_client = <kserve.api.kserve_client.KServeClient object at 0x7f28142d4b90> test_case = TestCase(base_refs=['router-managed', 'workload-single-cpu', 'model-fb-opt-125m-with-lora-hf'], prompt=None, service_n... {'name': 'model-fb-opt-125m-with-lora-hf-c0d503b0'}]}, 'status': None}, model_name='facebook/opt-125m') timeout_seconds = 900 extra_headers = {'X-Gateway-Model-Name': 'publishers/kserve-ci-e2e-test/models/facebook/opt-125m'} @log_execution def wait_for_model_response( kserve_client: KServeClient, test_case: TestCase, # noqa: F811 timeout_seconds: int = 900, extra_headers: Optional[Dict[str, str]] = None, ) -> str: def get_successful_response(): try: if test_case.url_getter: service_url = test_case.url_getter(kserve_client, test_case.llm_service) else: service_url = get_llm_service_url(kserve_client, test_case.llm_service) except Exception as e: raise AssertionError(f"❌ Failed to get service URL: {e}") from e model_url = service_url + test_case.endpoint headers = {"Content-Type": "application/json"} if extra_headers: headers.update(extra_headers) if test_case.payload_formatter is not None: test_payload = test_case.payload_formatter(test_case) elif test_case.prompt is not None: test_payload = { "model": test_case.model_name if not extra_headers or MODEL_ROUTING_HEADER not in extra_headers else extra_headers[MODEL_ROUTING_HEADER], "prompt": test_case.prompt, "max_tokens": test_case.max_tokens, } else: test_payload = None logger.info(f"Calling LLM service at {model_url} with payload {test_payload}") try: if test_payload is not None: response = post_with_retry( model_url, headers=headers, json_data=test_payload, timeout=test_case.response_timeout, ) else: response = get_with_retry( model_url, headers=headers, timeout=test_case.response_timeout, ) except Exception as e: logger.error(f"❌ Failed to call model: {e}") raise AssertionError(f"❌ Failed to call model: {e}") from e logger.info(f"Model response is {response.status_code}: {response.text[:500]}") if 200 <= response.status_code < 300: return response raise AssertionError( f"Service returned {response.status_code}: {response.text}" ) > response = wait_for(get_successful_response, timeout=timeout_seconds, interval=5.0) llmisvc/test_llm_inference_service.py:1119: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ assertion_fn = <function wait_for_model_response.<locals>.get_successful_response at 0x7f28143562a0> timeout = 900, interval = 5.0 def wait_for( assertion_fn: Callable[[], Any], timeout: float = 5.0, interval: float = 0.1 ) -> Any: """Wait for the assertion to succeed within timeout.""" deadline = time.time() + timeout last_msg = None while True: try: > return assertion_fn() llmisvc/test_llm_inference_service.py:1215: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ def get_successful_response(): try: if test_case.url_getter: service_url = test_case.url_getter(kserve_client, test_case.llm_service) else: service_url = get_llm_service_url(kserve_client, test_case.llm_service) except Exception as e: raise AssertionError(f"❌ Failed to get service URL: {e}") from e model_url = service_url + test_case.endpoint headers = {"Content-Type": "application/json"} if extra_headers: headers.update(extra_headers) if test_case.payload_formatter is not None: test_payload = test_case.payload_formatter(test_case) elif test_case.prompt is not None: test_payload = { "model": test_case.model_name if not extra_headers or MODEL_ROUTING_HEADER not in extra_headers else extra_headers[MODEL_ROUTING_HEADER], "prompt": test_case.prompt, "max_tokens": test_case.max_tokens, } else: test_payload = None logger.info(f"Calling LLM service at {model_url} with payload {test_payload}") try: if test_payload is not None: response = post_with_retry( model_url, headers=headers, json_data=test_payload, timeout=test_case.response_timeout, ) else: response = get_with_retry( model_url, headers=headers, timeout=test_case.response_timeout, ) except Exception as e: logger.error(f"❌ Failed to call model: {e}") > raise AssertionError(f"❌ Failed to call model: {e}") from e E AssertionError: ❌ Failed to call model: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Max retries exceeded with url: /v1/models (Caused by ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)")) llmisvc/test_llm_inference_service.py:1109: AssertionErrorself = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd99dbd0> conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f76dd051a90> method = 'POST' url = '/kserve-ci-e2e-test/custom-route-timeout-test/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) timeout = Timeout(connect=60, read=60, total=None), chunked = False response_conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f76dd051a90> preload_content = False, decode_content = False, enforce_content_length = True def _make_request( self, conn: BaseHTTPConnection, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | None = None, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, chunked: bool = False, response_conn: BaseHTTPConnection | None = None, preload_content: bool = True, decode_content: bool = True, enforce_content_length: bool = True, ) -> BaseHTTPResponse: """ Perform a request on a given urllib connection object taken from our pool. :param conn: a connection from one of our connection pools :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. Pass ``None`` to retry until you receive a response. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param response_conn: Set this to ``None`` if you will handle releasing the connection or set the connection to have the response release it. :param preload_content: If True, the response's body will be preloaded during construction. :param decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param enforce_content_length: Enforce content length checking. Body returned by server must match value of Content-Length header, if present. Otherwise, raise error. """ self.num_requests += 1 timeout_obj = self._get_timeout(timeout) timeout_obj.start_connect() conn.timeout = Timeout.resolve_default_timeout(timeout_obj.connect_timeout) try: # Trigger any extra validation we need to do. try: self._validate_conn(conn) except (SocketTimeout, BaseSSLError) as e: self._raise_timeout(err=e, url=url, timeout_value=conn.timeout) raise # _validate_conn() starts the connection to an HTTPS proxy # so we need to wrap errors with 'ProxyError' here too. except ( OSError, NewConnectionError, TimeoutError, BaseSSLError, CertificateError, SSLError, ) as e: new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) # If the connection didn't successfully connect to it's proxy # then there if isinstance( new_e, (OSError, NewConnectionError, TimeoutError, SSLError) ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) raise new_e # conn.request() calls http.client.*.request, not the method in # urllib3.request. It also calls makefile (recv) on the socket. try: conn.request( method, url, body=body, headers=headers, chunked=chunked, preload_content=preload_content, decode_content=decode_content, enforce_content_length=enforce_content_length, ) # We are swallowing BrokenPipeError (errno.EPIPE) since the server is # legitimately able to close the connection after sending a valid response. # With this behaviour, the received response is still readable. except BrokenPipeError: pass except OSError as e: # MacOS/Linux # EPROTOTYPE and ECONNRESET are needed on macOS # https://erickt.github.io/blog/2014/11/19/adventures-in-debugging-a-potential-osx-kernel-bug/ # Condition changed later to emit ECONNRESET instead of only EPROTOTYPE. if e.errno != errno.EPROTOTYPE and e.errno != errno.ECONNRESET: raise # Reset the timeout for the recv() on the socket read_timeout = timeout_obj.read_timeout if not conn.is_closed: # In Python 3 socket.py will catch EAGAIN and return None when you # try and read into the file pointer created by http.client, which # instead raises a BadStatusLine exception. Instead of catching # the exception and assuming all BadStatusLine exceptions are read # timeouts, check for a zero timeout before making the request. if read_timeout == 0: raise ReadTimeoutError( self, url, f"Read timed out. (read timeout={read_timeout})" ) conn.timeout = read_timeout # Receive the response from the server try: > response = conn.getresponse() ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:534: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f76dd051a90> def getresponse( # type: ignore[override] self, ) -> HTTPResponse: """ Get the response from the server. If the HTTPConnection is in the correct state, returns an instance of HTTPResponse or of whatever object is returned by the response_class variable. If a request has not been sent or if a previous response has not be handled, ResponseNotReady is raised. If the HTTP response indicates that the connection should be closed, then it will be closed before the response is returned. When the connection is closed, the underlying socket is closed. """ # Raise the same error as http.client.HTTPConnection if self._response_options is None: raise ResponseNotReady() # Reset this attribute for being used again. resp_options = self._response_options self._response_options = None # Since the connection's timeout value may have been updated # we need to set the timeout on the socket. self.sock.settimeout(self.timeout) # This is needed here to avoid circular import errors from .response import HTTPResponse # Save a reference to the shutdown function before ownership is passed # to httplib_response # TODO should we implement it everywhere? _shutdown = getattr(self.sock, "shutdown", None) # Get the response from http.client.HTTPConnection > httplib_response = super().getresponse() ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connection.py:571: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f76dd051a90> def getresponse(self): """Get the response from the server. If the HTTPConnection is in the correct state, returns an instance of HTTPResponse or of whatever object is returned by the response_class variable. If a request has not been sent or if a previous response has not be handled, ResponseNotReady is raised. If the HTTP response indicates that the connection should be closed, then it will be closed before the response is returned. When the connection is closed, the underlying socket is closed. """ # if a prior response has been completed, then forget about it. if self.__response and self.__response.isclosed(): self.__response = None # if a prior response exists, then it must be completed (otherwise, we # cannot read this response's header to determine the connection-close # behavior) # # note: if a prior response existed, but was connection-close, then the # socket and response were made independent of this HTTPConnection # object since a new request requires that we open a whole new # connection # # this means the prior response had one of two states: # 1) will_close: this connection was reset and the prior socket and # response operate independently # 2) persistent: the response was retained and we await its # isclosed() status to become true. # if self.__state != _CS_REQ_SENT or self.__response: raise ResponseNotReady(self.__state) if self.debuglevel > 0: response = self.response_class(self.sock, self.debuglevel, method=self._method) else: response = self.response_class(self.sock, method=self._method) try: try: > response.begin() /usr/lib64/python3.11/http/client.py:1395: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <http.client.HTTPResponse object at 0x7f76de0346a0> def begin(self): if self.headers is not None: # we've already started reading the response return # read until we get a non-100 response while True: > version, status, reason = self._read_status() /usr/lib64/python3.11/http/client.py:325: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <http.client.HTTPResponse object at 0x7f76de0346a0> def _read_status(self): > line = str(self.fp.readline(_MAXLINE + 1), "iso-8859-1") /usr/lib64/python3.11/http/client.py:286: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <socket.SocketIO object at 0x7f76de035e40> b = <memory at 0x7f76dd19c280> def readinto(self, b): """Read up to len(b) bytes into the writable buffer *b* and return the number of bytes read. If the socket is non-blocking and no bytes are available, None is returned. If *b* is non-empty, a 0 return value indicates that the connection was shutdown at the other end. """ self._checkClosed() self._checkReadable() if self._timeout_occurred: raise OSError("cannot read from timed out object") while True: try: > return self._sock.recv_into(b) E TimeoutError: timed out /usr/lib64/python3.11/socket.py:718: TimeoutError The above exception was the direct cause of the following exception: self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd99dbd0> method = 'POST' url = '/kserve-ci-e2e-test/custom-route-timeout-test/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/custom-route-timeout-test/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False, err = None, clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object > response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:787: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd99dbd0> conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f76dd051a90> method = 'POST' url = '/kserve-ci-e2e-test/custom-route-timeout-test/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) timeout = Timeout(connect=60, read=60, total=None), chunked = False response_conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f76dd051a90> preload_content = False, decode_content = False, enforce_content_length = True def _make_request( self, conn: BaseHTTPConnection, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | None = None, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, chunked: bool = False, response_conn: BaseHTTPConnection | None = None, preload_content: bool = True, decode_content: bool = True, enforce_content_length: bool = True, ) -> BaseHTTPResponse: """ Perform a request on a given urllib connection object taken from our pool. :param conn: a connection from one of our connection pools :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. Pass ``None`` to retry until you receive a response. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param response_conn: Set this to ``None`` if you will handle releasing the connection or set the connection to have the response release it. :param preload_content: If True, the response's body will be preloaded during construction. :param decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param enforce_content_length: Enforce content length checking. Body returned by server must match value of Content-Length header, if present. Otherwise, raise error. """ self.num_requests += 1 timeout_obj = self._get_timeout(timeout) timeout_obj.start_connect() conn.timeout = Timeout.resolve_default_timeout(timeout_obj.connect_timeout) try: # Trigger any extra validation we need to do. try: self._validate_conn(conn) except (SocketTimeout, BaseSSLError) as e: self._raise_timeout(err=e, url=url, timeout_value=conn.timeout) raise # _validate_conn() starts the connection to an HTTPS proxy # so we need to wrap errors with 'ProxyError' here too. except ( OSError, NewConnectionError, TimeoutError, BaseSSLError, CertificateError, SSLError, ) as e: new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) # If the connection didn't successfully connect to it's proxy # then there if isinstance( new_e, (OSError, NewConnectionError, TimeoutError, SSLError) ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) raise new_e # conn.request() calls http.client.*.request, not the method in # urllib3.request. It also calls makefile (recv) on the socket. try: conn.request( method, url, body=body, headers=headers, chunked=chunked, preload_content=preload_content, decode_content=decode_content, enforce_content_length=enforce_content_length, ) # We are swallowing BrokenPipeError (errno.EPIPE) since the server is # legitimately able to close the connection after sending a valid response. # With this behaviour, the received response is still readable. except BrokenPipeError: pass except OSError as e: # MacOS/Linux # EPROTOTYPE and ECONNRESET are needed on macOS # https://erickt.github.io/blog/2014/11/19/adventures-in-debugging-a-potential-osx-kernel-bug/ # Condition changed later to emit ECONNRESET instead of only EPROTOTYPE. if e.errno != errno.EPROTOTYPE and e.errno != errno.ECONNRESET: raise # Reset the timeout for the recv() on the socket read_timeout = timeout_obj.read_timeout if not conn.is_closed: # In Python 3 socket.py will catch EAGAIN and return None when you # try and read into the file pointer created by http.client, which # instead raises a BadStatusLine exception. Instead of catching # the exception and assuming all BadStatusLine exceptions are read # timeouts, check for a zero timeout before making the request. if read_timeout == 0: raise ReadTimeoutError( self, url, f"Read timed out. (read timeout={read_timeout})" ) conn.timeout = read_timeout # Receive the response from the server try: response = conn.getresponse() except (BaseSSLError, OSError) as e: > self._raise_timeout(err=e, url=url, timeout_value=read_timeout) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:536: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd99dbd0> err = TimeoutError('timed out') url = '/kserve-ci-e2e-test/custom-route-timeout-test/v1/completions' timeout_value = 60 def _raise_timeout( self, err: BaseSSLError | OSError | SocketTimeout, url: str, timeout_value: _TYPE_TIMEOUT | None, ) -> None: """Is the error actually a timeout? Will raise a ReadTimeout or pass""" if isinstance(err, SocketTimeout): > raise ReadTimeoutError( self, url, f"Read timed out. (read timeout={timeout_value})" ) from err E urllib3.exceptions.ReadTimeoutError: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:367: ReadTimeoutError The above exception was the direct cause of the following exception: self = <requests.adapters.HTTPAdapter object at 0x7f76ddab6a90> request = <PreparedRequest [POST]>, stream = False timeout = Timeout(connect=60, read=60, total=None), verify = '/tmp/ca.crt' cert = None, proxies = OrderedDict() def send( self, request, stream=False, timeout=None, verify=True, cert=None, proxies=None ): """Sends PreparedRequest object. Returns Response object. :param request: The :class:`PreparedRequest <PreparedRequest>` being sent. :param stream: (optional) Whether to stream the request content. :param timeout: (optional) How long to wait for the server to send data before giving up, as a float, or a :ref:`(connect timeout, read timeout) <timeouts>` tuple. :type timeout: float or tuple or urllib3 Timeout object :param verify: (optional) Either a boolean, in which case it controls whether we verify the server's TLS certificate, or a string, in which case it must be a path to a CA bundle to use :param cert: (optional) Any user-provided SSL certificate to be trusted. :param proxies: (optional) The proxies dictionary to apply to the request. :rtype: requests.Response """ try: conn = self.get_connection_with_tls_context( request, verify, proxies=proxies, cert=cert ) except LocationValueError as e: raise InvalidURL(e, request=request) self.cert_verify(conn, request.url, verify, cert) url = self.request_url(request, proxies) self.add_headers( request, stream=stream, timeout=timeout, verify=verify, cert=cert, proxies=proxies, ) chunked = not (request.body is None or "Content-Length" in request.headers) if isinstance(timeout, tuple): try: connect, read = timeout timeout = TimeoutSauce(connect=connect, read=read) except ValueError: raise ValueError( f"Invalid timeout {timeout}. Pass a (connect, read) timeout tuple, " f"or a single float to set both timeouts to the same value." ) elif isinstance(timeout, TimeoutSauce): pass else: timeout = TimeoutSauce(connect=timeout, read=timeout) try: > resp = conn.urlopen( method=request.method, url=url, body=request.body, headers=request.headers, redirect=False, assert_same_host=False, preload_content=False, decode_content=False, retries=self.max_retries, timeout=timeout, chunked=chunked, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/adapters.py:667: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd99dbd0> method = 'POST' url = '/kserve-ci-e2e-test/custom-route-timeout-test/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=7, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/custom-route-timeout-test/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd99dbd0> method = 'POST' url = '/kserve-ci-e2e-test/custom-route-timeout-test/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=6, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/custom-route-timeout-test/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd99dbd0> method = 'POST' url = '/kserve-ci-e2e-test/custom-route-timeout-test/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=5, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/custom-route-timeout-test/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd99dbd0> method = 'POST' url = '/kserve-ci-e2e-test/custom-route-timeout-test/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=4, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/custom-route-timeout-test/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd99dbd0> method = 'POST' url = '/kserve-ci-e2e-test/custom-route-timeout-test/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=3, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/custom-route-timeout-test/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = RemoteDisconnected('Remote end closed connection without response') clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd99dbd0> method = 'POST' url = '/kserve-ci-e2e-test/custom-route-timeout-test/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=2, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/custom-route-timeout-test/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd99dbd0> method = 'POST' url = '/kserve-ci-e2e-test/custom-route-timeout-test/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=1, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/custom-route-timeout-test/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd99dbd0> method = 'POST' url = '/kserve-ci-e2e-test/custom-route-timeout-test/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/custom-route-timeout-test/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd99dbd0> method = 'POST' url = '/kserve-ci-e2e-test/custom-route-timeout-test/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/custom-route-timeout-test/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False, err = None, clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) > retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:841: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = Retry(total=0, connect=None, read=None, redirect=None, status=None) method = 'POST' url = '/kserve-ci-e2e-test/custom-route-timeout-test/v1/completions' response = None error = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") _pool = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd99dbd0> _stacktrace = <traceback object at 0x7f76dd051900> def increment( self, method: str | None = None, url: str | None = None, response: BaseHTTPResponse | None = None, error: Exception | None = None, _pool: ConnectionPool | None = None, _stacktrace: TracebackType | None = None, ) -> Self: """Return a new Retry object with incremented retry counters. :param response: A response object, or None, if the server did not return a response. :type response: :class:`~urllib3.response.BaseHTTPResponse` :param Exception error: An error encountered during the request, or None if the response was received successfully. :return: A new ``Retry`` object. """ if self.total is False and error: # Disabled, indicate to re-raise the error. raise reraise(type(error), error, _stacktrace) total = self.total if total is not None: total -= 1 connect = self.connect read = self.read redirect = self.redirect status_count = self.status other = self.other cause = "unknown" status = None redirect_location = None if error and self._is_connection_error(error): # Connect retry? if connect is False: raise reraise(type(error), error, _stacktrace) elif connect is not None: connect -= 1 elif error and self._is_read_error(error): # Read retry? if read is False or method is None or not self._is_method_retryable(method): raise reraise(type(error), error, _stacktrace) elif read is not None: read -= 1 elif error: # Other retry? if other is not None: other -= 1 elif response and response.get_redirect_location(): # Redirect retry? if redirect is not None: redirect -= 1 cause = "too many redirects" response_redirect_location = response.get_redirect_location() if response_redirect_location: redirect_location = response_redirect_location status = response.status else: # Incrementing because of a server error like a 500 in # status_forcelist and the given method is in the allowed_methods cause = ResponseError.GENERIC_ERROR if response and response.status: if status_count is not None: status_count -= 1 cause = ResponseError.SPECIFIC_ERROR.format(status_code=response.status) status = response.status history = self.history + ( RequestHistory(method, url, error, status, redirect_location), ) new_retry = self.new( total=total, connect=connect, read=read, redirect=redirect, status=status_count, other=other, history=history, ) if new_retry.is_exhausted(): reason = error or ResponseError(cause) > raise MaxRetryError(_pool, url, reason) from reason # type: ignore[arg-type] E urllib3.exceptions.MaxRetryError: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Max retries exceeded with url: /kserve-ci-e2e-test/custom-route-timeout-test/v1/completions (Caused by ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)")) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/util/retry.py:519: MaxRetryError During handling of the above exception, another exception occurred: def get_successful_response(): try: if test_case.url_getter: service_url = test_case.url_getter(kserve_client, test_case.llm_service) else: service_url = get_llm_service_url(kserve_client, test_case.llm_service) except Exception as e: raise AssertionError(f"❌ Failed to get service URL: {e}") from e model_url = service_url + test_case.endpoint headers = {"Content-Type": "application/json"} if extra_headers: headers.update(extra_headers) if test_case.payload_formatter is not None: test_payload = test_case.payload_formatter(test_case) elif test_case.prompt is not None: test_payload = { "model": test_case.model_name if not extra_headers or MODEL_ROUTING_HEADER not in extra_headers else extra_headers[MODEL_ROUTING_HEADER], "prompt": test_case.prompt, "max_tokens": test_case.max_tokens, } else: test_payload = None logger.info(f"Calling LLM service at {model_url} with payload {test_payload}") try: if test_payload is not None: > response = post_with_retry( model_url, headers=headers, json_data=test_payload, timeout=test_case.response_timeout, ) llmisvc/test_llm_inference_service.py:1095: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ url = 'http://a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com/kserve-ci-e2e-test/custom-route-timeout-test/v1/completions' def post_with_retry( url: str, *, headers: Dict = None, json_data: Union[Dict, List] = None, data: Union[str, bytes] = None, stream: bool = False, timeout: float = None, total_retries: int = DEFAULT_RETRY_TOTAL, backoff_factor: float = DEFAULT_RETRY_BACKOFF_FACTOR, retry_status_codes=DEFAULT_RETRY_STATUS_CODES, ) -> requests.Response: """ Send POST request with retries for transient HTTP and network failures. """ if json_data is not None and data is not None: raise ValueError("Only one of json_data or data can be provided.") with _retry_session( ["POST"], total_retries, backoff_factor, retry_status_codes ) as session: > return session.post( url, json=json_data, data=data, headers=headers, stream=stream, timeout=timeout, ) common/http_retry.py:70: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.sessions.Session object at 0x7f76dda36bd0> url = 'http://a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com/kserve-ci-e2e-test/custom-route-timeout-test/v1/completions' data = None json = {'max_tokens': 20, 'model': 'facebook/opt-125m', 'prompt': 'KServe is a'} kwargs = {'headers': {'Content-Type': 'application/json'}, 'stream': False, 'timeout': 60} def post(self, url, data=None, json=None, **kwargs): r"""Sends a POST request. Returns :class:`Response` object. :param url: URL for the new :class:`Request` object. :param data: (optional) Dictionary, list of tuples, bytes, or file-like object to send in the body of the :class:`Request`. :param json: (optional) json to send in the body of the :class:`Request`. :param \*\*kwargs: Optional arguments that ``request`` takes. :rtype: requests.Response """ > return self.request("POST", url, data=data, json=json, **kwargs) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/sessions.py:637: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.sessions.Session object at 0x7f76dda36bd0>, method = 'POST' url = 'http://a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com/kserve-ci-e2e-test/custom-route-timeout-test/v1/completions' params = None, data = None, headers = {'Content-Type': 'application/json'} cookies = None, files = None, auth = None, timeout = 60, allow_redirects = True proxies = {}, hooks = None, stream = False, verify = None, cert = None json = {'max_tokens': 20, 'model': 'facebook/opt-125m', 'prompt': 'KServe is a'} def request( self, method, url, params=None, data=None, headers=None, cookies=None, files=None, auth=None, timeout=None, allow_redirects=True, proxies=None, hooks=None, stream=None, verify=None, cert=None, json=None, ): """Constructs a :class:`Request <Request>`, prepares it and sends it. Returns :class:`Response <Response>` object. :param method: method for the new :class:`Request` object. :param url: URL for the new :class:`Request` object. :param params: (optional) Dictionary or bytes to be sent in the query string for the :class:`Request`. :param data: (optional) Dictionary, list of tuples, bytes, or file-like object to send in the body of the :class:`Request`. :param json: (optional) json to send in the body of the :class:`Request`. :param headers: (optional) Dictionary of HTTP Headers to send with the :class:`Request`. :param cookies: (optional) Dict or CookieJar object to send with the :class:`Request`. :param files: (optional) Dictionary of ``'filename': file-like-objects`` for multipart encoding upload. :param auth: (optional) Auth tuple or callable to enable Basic/Digest/Custom HTTP Auth. :param timeout: (optional) How long to wait for the server to send data before giving up, as a float, or a :ref:`(connect timeout, read timeout) <timeouts>` tuple. :type timeout: float or tuple :param allow_redirects: (optional) Set to True by default. :type allow_redirects: bool :param proxies: (optional) Dictionary mapping protocol or protocol and hostname to the URL of the proxy. :param hooks: (optional) Dictionary mapping hook name to one event or list of events, event must be callable. :param stream: (optional) whether to immediately download the response content. Defaults to ``False``. :param verify: (optional) Either a boolean, in which case it controls whether we verify the server's TLS certificate, or a string, in which case it must be a path to a CA bundle to use. Defaults to ``True``. When set to ``False``, requests will accept any TLS certificate presented by the server, and will ignore hostname mismatches and/or expired certificates, which will make your application vulnerable to man-in-the-middle (MitM) attacks. Setting verify to ``False`` may be useful during local development or testing. :param cert: (optional) if String, path to ssl client cert file (.pem). If Tuple, ('cert', 'key') pair. :rtype: requests.Response """ # Create the Request. req = Request( method=method.upper(), url=url, headers=headers, files=files, data=data or {}, json=json, params=params or {}, auth=auth, cookies=cookies, hooks=hooks, ) prep = self.prepare_request(req) proxies = proxies or {} settings = self.merge_environment_settings( prep.url, proxies, stream, verify, cert ) # Send the request. send_kwargs = { "timeout": timeout, "allow_redirects": allow_redirects, } send_kwargs.update(settings) > resp = self.send(prep, **send_kwargs) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/sessions.py:589: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.sessions.Session object at 0x7f76dda36bd0> request = <PreparedRequest [POST]> kwargs = {'cert': None, 'proxies': OrderedDict(), 'stream': False, 'timeout': 60, ...} allow_redirects = True, stream = False, hooks = {'response': []} adapter = <requests.adapters.HTTPAdapter object at 0x7f76ddab6a90> start = 1783002375.4953942 def send(self, request, **kwargs): """Send a given PreparedRequest. :rtype: requests.Response """ # Set defaults that the hooks can utilize to ensure they always have # the correct parameters to reproduce the previous request. kwargs.setdefault("stream", self.stream) kwargs.setdefault("verify", self.verify) kwargs.setdefault("cert", self.cert) if "proxies" not in kwargs: kwargs["proxies"] = resolve_proxies(request, self.proxies, self.trust_env) # It's possible that users might accidentally send a Request object. # Guard against that specific failure case. if isinstance(request, Request): raise ValueError("You can only send PreparedRequests.") # Set up variables needed for resolve_redirects and dispatching of hooks allow_redirects = kwargs.pop("allow_redirects", True) stream = kwargs.get("stream") hooks = request.hooks # Get the appropriate adapter to use adapter = self.get_adapter(url=request.url) # Start time (approximately) of the request start = preferred_clock() # Send the request > r = adapter.send(request, **kwargs) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/sessions.py:703: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.adapters.HTTPAdapter object at 0x7f76ddab6a90> request = <PreparedRequest [POST]>, stream = False timeout = Timeout(connect=60, read=60, total=None), verify = '/tmp/ca.crt' cert = None, proxies = OrderedDict() def send( self, request, stream=False, timeout=None, verify=True, cert=None, proxies=None ): """Sends PreparedRequest object. Returns Response object. :param request: The :class:`PreparedRequest <PreparedRequest>` being sent. :param stream: (optional) Whether to stream the request content. :param timeout: (optional) How long to wait for the server to send data before giving up, as a float, or a :ref:`(connect timeout, read timeout) <timeouts>` tuple. :type timeout: float or tuple or urllib3 Timeout object :param verify: (optional) Either a boolean, in which case it controls whether we verify the server's TLS certificate, or a string, in which case it must be a path to a CA bundle to use :param cert: (optional) Any user-provided SSL certificate to be trusted. :param proxies: (optional) The proxies dictionary to apply to the request. :rtype: requests.Response """ try: conn = self.get_connection_with_tls_context( request, verify, proxies=proxies, cert=cert ) except LocationValueError as e: raise InvalidURL(e, request=request) self.cert_verify(conn, request.url, verify, cert) url = self.request_url(request, proxies) self.add_headers( request, stream=stream, timeout=timeout, verify=verify, cert=cert, proxies=proxies, ) chunked = not (request.body is None or "Content-Length" in request.headers) if isinstance(timeout, tuple): try: connect, read = timeout timeout = TimeoutSauce(connect=connect, read=read) except ValueError: raise ValueError( f"Invalid timeout {timeout}. Pass a (connect, read) timeout tuple, " f"or a single float to set both timeouts to the same value." ) elif isinstance(timeout, TimeoutSauce): pass else: timeout = TimeoutSauce(connect=timeout, read=timeout) try: resp = conn.urlopen( method=request.method, url=url, body=request.body, headers=request.headers, redirect=False, assert_same_host=False, preload_content=False, decode_content=False, retries=self.max_retries, timeout=timeout, chunked=chunked, ) except (ProtocolError, OSError) as err: raise ConnectionError(err, request=request) except MaxRetryError as e: if isinstance(e.reason, ConnectTimeoutError): # TODO: Remove this in 3.0.0: see #2811 if not isinstance(e.reason, NewConnectionError): raise ConnectTimeout(e, request=request) if isinstance(e.reason, ResponseError): raise RetryError(e, request=request) if isinstance(e.reason, _ProxyError): raise ProxyError(e, request=request) if isinstance(e.reason, _SSLError): # This branch is for urllib3 v1.22 and later. raise SSLError(e, request=request) > raise ConnectionError(e, request=request) E requests.exceptions.ConnectionError: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Max retries exceeded with url: /kserve-ci-e2e-test/custom-route-timeout-test/v1/completions (Caused by ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)")) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/adapters.py:700: ConnectionError The above exception was the direct cause of the following exception: test_case = TestCase(base_refs=['router-custom-route-timeout', 'scheduler-managed', 'workload-single-cpu', 'model-fb-opt-125m'], p... {'name': 'model-fb-opt-125m-custom-route-928a8601'}]}, 'status': None}, model_name='facebook/opt-125m') @pytest.mark.llminferenceservice @pytest.mark.asyncio(loop_scope="session") @pytest.mark.parametrize( "test_case", [ pytest.param( TestCase( base_refs=[ "router-with-gateway-ref", "router-with-managed-route", "model-fb-opt-125m", "workload-llmd-simulator", ], endpoint="/v1/completions", prompt="KServe is a", payload_formatter=completions_payload, response_assertion=create_response_assertion(with_field="choices"), expected_gateway=ROUTER_GATEWAYS[0], before_test=[ lambda: create_router_resources( gateways=[ROUTER_GATEWAYS[0]], ) ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, pytest.mark.custom_gateway, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-fb-opt-125m", ], prompt="KServe is a", payload_formatter=completions_payload, response_assertion=assert_200_with_choices, ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-custom-route-timeout", "scheduler-managed", "workload-single-cpu", "model-fb-opt-125m", ], prompt="KServe is a", service_name="custom-route-timeout-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-with-refs", "scheduler-managed", "workload-single-cpu", "model-fb-opt-125m", ], prompt="KServe is a", service_name="router-with-refs-test", expected_gateway=ROUTER_GATEWAYS[0], before_test=[ lambda: create_router_resources( gateways=[ROUTER_GATEWAYS[0]], routes=[ROUTER_ROUTES[0], ROUTER_ROUTES[1]], ) ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.custom_gateway, ], ), pytest.param( TestCase( base_refs=["router-managed", "workload-pd-cpu", "model-fb-opt-125m"], prompt="You are an expert in Kubernetes-native machine learning serving platforms, with deep knowledge of the KServe project. " "Explain the challenges of serving large-scale models, GPU scheduling, and how KServe integrates with capabilities like multi-model serving. " "Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", response_assertion=assert_200_with_choices, ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-custom-route-timeout-pd", "scheduler-managed", "workload-pd-cpu", "model-fb-opt-125m", ], prompt="You are an expert in Kubernetes-native machine learning serving platforms, with deep knowledge of the KServe project. " "Explain the challenges of serving large-scale models, GPU scheduling, and how KServe integrates with capabilities like multi-model serving. " "Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", service_name="custom-route-timeout-pd-test", response_assertion=assert_200_with_choices, ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-with-refs-pd", "scheduler-managed", "workload-pd-cpu", "model-fb-opt-125m", ], prompt="You are an expert in Kubernetes-native machine learning serving platforms, with deep knowledge of the KServe project. " "Explain the challenges of serving large-scale models, GPU scheduling, and how KServe integrates with capabilities like multi-model serving. " "Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", service_name="router-with-refs-pd-test", response_assertion=assert_200_with_choices, expected_gateway=ROUTER_GATEWAYS[1], before_test=[ lambda: create_router_resources( gateways=[ROUTER_GATEWAYS[1]], routes=[ROUTER_ROUTES[2], ROUTER_ROUTES[3]], ) ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.custom_gateway, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-dp-ep-gpu", "workload-dp-ep-prefill-gpu", "model-deepseek-v2-lite", ], prompt="Delve into the multifaceted implications of a fully disaggregated cloud architecture, specifically " "where the compute plane (P) and the data plane (D) are independently deployed and managed for a " "geographically distributed, high-throughput, low-latency microservices ecosystem. Beyond the " "fundamental challenges of network latency and data consistency, elaborate on the advanced " "considerations and trade-offs inherent in such a setup: 1. Network Architecture and Protocols: " "How would the network fabric and underlying protocols (e.g., RDMA, custom transport layers) need to " "evolve to support optimal performance and minimize inter-plane communication overhead, especially for " "synchronous operations? Discuss the role of network programmability (e.g., SDN, P4) in dynamically " "optimizing routing and traffic flow between P and D. 2. Advanced Data Consistency and Durability: " "Explore sophisticated data consistency models (e.g., causal consistency, strong eventual consistency) " "and their applicability in balancing performance and data integrity across a globally distributed data plane. " "Detail strategies for ensuring data durability and fault tolerance, including multi-region replication, " "intelligent partitioning, and recovery mechanisms in the event of partial or full plane failures. " "3. Dynamic Resource Orchestration and Cost Optimization: Analyze how an orchestration layer would intelligently " "manage the independent scaling of compute (P) and data (D) resources, considering fluctuating workloads, " "cost efficiency, and performance targets (e.g., using predictive analytics for resource provisioning). " "Discuss mechanisms for dynamically reallocating compute nodes to different data partitions based on " "workload patterns and data locality, potentially involving live migration strategies. " "4. Security and Compliance in a Distributed Landscape: Address the enhanced security perimeter " "challenges, including securing communication channels between P and D (encryption in transit, mutual TLS), " "fine-grained access control to data at rest and in motion, and identity management across disaggregated " "components. Discuss how such an architecture impacts compliance with regulatory frameworks (e.g., GDPR, HIPAA) " "concerning data sovereignty, privacy, and auditability. 5. Operational Complexity and Observability: " "Examine the increased complexity in monitoring, logging, and tracing across highly decoupled compute and " "data planes. What specialized tooling and practices (e.g., distributed tracing with OpenTelemetry, advanced AIOps) " "would be essential? How would incident response and troubleshooting differ in this disaggregated environment " "compared to traditional integrated systems? Consider the challenges of pinpointing root causes across " "independent failures. 6. Real-world Applicability and Future Trends: Identify specific industries " "or use cases (e.g., high-frequency trading, IoT edge processing, large language model inference) " "where the benefits of P/D disaggregation would strongly outweigh its complexities. " "Conclude by speculating on emerging technologies or paradigms (e.g., serverless compute functions " "directly interacting with object storage, in-memory disaggregation) that could further drive or " "transform P/D disaggregation in cloud computing.", max_tokens=2000, ), marks=[ pytest.mark.cluster_gpu, pytest.mark.cluster_nvidia, pytest.mark.cluster_nvidia_roce, ], ), pytest.param( TestCase( base_refs=[ "router-no-scheduler", "workload-single-cpu", "model-fb-opt-125m", ], prompt="What is KServe?", ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.no_scheduler, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-simulated-dp-ep-cpu", "model-fb-opt-125m", ], prompt="This test simulates DP+EP that can run on CPU, the idea is to test the LWS-based deployment, " "but without the resources requirements for DP+EP (GPUs and ROCe/IB).", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_multi_node], ), # Scheduler config tests pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-inline-config", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-inline-config-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), # Chat completions endpoint coverage pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", "model-qwen2.5-0.5b", ], model_name="Qwen/Qwen2.5-0.5B-Instruct", endpoint="/v1/chat/completions", prompt="What is KServe?", payload_formatter=chat_completions_payload, response_assertion=create_response_assertion(with_field="choices"), ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-configmap-ref", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-configmap-ref-test", before_test=[create_scheduler_configmap], after_test=[delete_scheduler_configmap], ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-replicas", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-ha-replicas-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-custom-template", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-custom-template-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), # Scheduler v0.6 → v0.7 migration tests. # Deploy v0.6-style configs and verify the controller migrates them # so the v0.7 scheduler boots successfully. pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-v06-pd-config-migration", "workload-llmd-simulator-pd", ], prompt="KServe is a", service_name="scheduler-v06-pd-migration-test", response_assertion=assert_200_with_choices, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-v06-nonzero-threshold-migration", "workload-llmd-simulator-pd", ], prompt="KServe is a", service_name="scheduler-v06-threshold-migration-test", response_assertion=assert_200_with_choices, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), # Precise prefix KV cache routing test pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-precise-prefix-cache-inline-config", "workload-llmd-simulator-kvcache", ], prompt="KServe is a", service_name="precise-prefix-cache-test", ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), # Models endpoint coverage pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", ], endpoint="/v1/models", response_assertion=create_response_assertion(with_field="data"), ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), # Model-based routing via X-Gateway-Model-Name header — /v1/completions pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", ], endpoint="/v1/completions", prompt="KServe is a", payload_formatter=completions_payload, response_assertion=assert_model_field_matches("facebook/opt-125m"), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", }, peers=[ TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", "model-qwen2.5-0.5b", ], endpoint="/v1/completions", prompt="KServe is a", payload_formatter=completions_payload, response_assertion=assert_model_field_matches( "Qwen/Qwen2.5-0.5B-Instruct" ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/Qwen/Qwen2.5-0.5B-Instruct", }, ), ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, pytest.mark.model_routing, ], ), # Model-based routing via X-Gateway-Model-Name header — /v1/chat/completions pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", ], endpoint="/v1/chat/completions", prompt="What is KServe?", payload_formatter=chat_completions_payload, response_assertion=assert_model_field_matches("facebook/opt-125m"), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", }, peers=[ TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", "model-qwen2.5-0.5b", ], endpoint="/v1/chat/completions", prompt="What is KServe?", payload_formatter=chat_completions_payload, response_assertion=assert_model_field_matches( "Qwen/Qwen2.5-0.5B-Instruct" ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/Qwen/Qwen2.5-0.5B-Instruct", }, ), ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, pytest.mark.model_routing, ], ), # Model-based routing via X-Gateway-Model-Name header — LoRA adapter pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-fb-opt-125m-with-lora-hf", ], endpoint="/v1/completions", prompt="KServe is a", model_name=f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1", payload_formatter=completions_payload, response_assertion=assert_model_field_matches( f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1" ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1", }, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.model_routing, pytest.mark.lora, ], ), # Model-based routing via X-Gateway-Model-Name header — /v1/models (base + LoRA) pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-fb-opt-125m-with-lora-hf", ], endpoint="/v1/models", response_assertion=assert_models_contains( "facebook/opt-125m", f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", "lora-adapter-1", f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1", ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", }, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.model_routing, pytest.mark.lora, ], ), # PVC storage tests -- validate direct PVC volume mount with real vLLM serving pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-pvc", ], prompt="KServe is a", response_assertion=assert_200_with_choices, before_test=[ensure_pvc_with_model], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.pvc_storage, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-pd-cpu", "model-pvc", ], prompt="KServe is a", response_assertion=assert_200_with_choices, before_test=[ensure_pvc_with_model], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.pvc_storage, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-simulated-dp-ep-cpu", "model-pvc", ], prompt="KServe is a", before_test=[ensure_pvc_with_model], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_multi_node, pytest.mark.pvc_storage, ], ), ], indirect=["test_case"], ids=generate_test_id, ) @log_execution def test_llm_inference_service(test_case: TestCase): # noqa: F811 inject_k8s_proxy() kserve_client = KServeClient( config_file=os.environ.get("KUBECONFIG", "~/.kube/config"), client_configuration=client.Configuration(), ) service_name = test_case.llm_service.metadata.name if not test_case.llm_service.metadata.annotations: test_case.llm_service.metadata.annotations = {} test_case.llm_service.metadata.annotations[ "security.opendatahub.io/enable-auth" ] = "false" prefix = test_case.log_prefix test_failed = False try: print(f"{prefix} Creating LLMInferenceService {service_name}") create_llmisvc(kserve_client, test_case.llm_service) print(f"{prefix} Waiting for LLMInferenceService {service_name} to be ready") wait_for_llm_isvc_ready( kserve_client, test_case.llm_service, test_case.wait_timeout ) print(f"{prefix} Waiting for model response from {service_name}") > wait_for_model_response( kserve_client, test_case, test_case.wait_timeout, extra_headers=test_case.extra_headers, ) llmisvc/test_llm_inference_service.py:816: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ args = (<kserve.api.kserve_client.KServeClient object at 0x7f76ddb03a10>, TestCase(base_refs=['router-custom-route-timeout', ... {'name': 'model-fb-opt-125m-custom-route-928a8601'}]}, 'status': None}, model_name='facebook/opt-125m'), 900) kwargs = {'extra_headers': None}, func_name = 'wait_for_model_response' timestamp_start = '2026-07-02T14:26:15.486359', start_time = 1783002375.4866776 duration = 904.6593198776245, timestamp_end = '2026-07-02T14:41:20.146000' @functools.wraps(func) def wrapper(*args, **kwargs): func_name = func.__name__ timestamp_start = datetime.now().isoformat() logger.info( f"[{func_name}] [{timestamp_start}] start - args={args}, kwargs={kwargs}" ) start_time = time.time() try: > result = func(*args, **kwargs) llmisvc/logging.py:40: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ kserve_client = <kserve.api.kserve_client.KServeClient object at 0x7f76ddb03a10> test_case = TestCase(base_refs=['router-custom-route-timeout', 'scheduler-managed', 'workload-single-cpu', 'model-fb-opt-125m'], p... {'name': 'model-fb-opt-125m-custom-route-928a8601'}]}, 'status': None}, model_name='facebook/opt-125m') timeout_seconds = 900, extra_headers = None @log_execution def wait_for_model_response( kserve_client: KServeClient, test_case: TestCase, # noqa: F811 timeout_seconds: int = 900, extra_headers: Optional[Dict[str, str]] = None, ) -> str: def get_successful_response(): try: if test_case.url_getter: service_url = test_case.url_getter(kserve_client, test_case.llm_service) else: service_url = get_llm_service_url(kserve_client, test_case.llm_service) except Exception as e: raise AssertionError(f"❌ Failed to get service URL: {e}") from e model_url = service_url + test_case.endpoint headers = {"Content-Type": "application/json"} if extra_headers: headers.update(extra_headers) if test_case.payload_formatter is not None: test_payload = test_case.payload_formatter(test_case) elif test_case.prompt is not None: test_payload = { "model": test_case.model_name if not extra_headers or MODEL_ROUTING_HEADER not in extra_headers else extra_headers[MODEL_ROUTING_HEADER], "prompt": test_case.prompt, "max_tokens": test_case.max_tokens, } else: test_payload = None logger.info(f"Calling LLM service at {model_url} with payload {test_payload}") try: if test_payload is not None: response = post_with_retry( model_url, headers=headers, json_data=test_payload, timeout=test_case.response_timeout, ) else: response = get_with_retry( model_url, headers=headers, timeout=test_case.response_timeout, ) except Exception as e: logger.error(f"❌ Failed to call model: {e}") raise AssertionError(f"❌ Failed to call model: {e}") from e logger.info(f"Model response is {response.status_code}: {response.text[:500]}") if 200 <= response.status_code < 300: return response raise AssertionError( f"Service returned {response.status_code}: {response.text}" ) > response = wait_for(get_successful_response, timeout=timeout_seconds, interval=5.0) llmisvc/test_llm_inference_service.py:1119: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ assertion_fn = <function wait_for_model_response.<locals>.get_successful_response at 0x7f76dda50860> timeout = 900, interval = 5.0 def wait_for( assertion_fn: Callable[[], Any], timeout: float = 5.0, interval: float = 0.1 ) -> Any: """Wait for the assertion to succeed within timeout.""" deadline = time.time() + timeout last_msg = None while True: try: > return assertion_fn() llmisvc/test_llm_inference_service.py:1215: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ def get_successful_response(): try: if test_case.url_getter: service_url = test_case.url_getter(kserve_client, test_case.llm_service) else: service_url = get_llm_service_url(kserve_client, test_case.llm_service) except Exception as e: raise AssertionError(f"❌ Failed to get service URL: {e}") from e model_url = service_url + test_case.endpoint headers = {"Content-Type": "application/json"} if extra_headers: headers.update(extra_headers) if test_case.payload_formatter is not None: test_payload = test_case.payload_formatter(test_case) elif test_case.prompt is not None: test_payload = { "model": test_case.model_name if not extra_headers or MODEL_ROUTING_HEADER not in extra_headers else extra_headers[MODEL_ROUTING_HEADER], "prompt": test_case.prompt, "max_tokens": test_case.max_tokens, } else: test_payload = None logger.info(f"Calling LLM service at {model_url} with payload {test_payload}") try: if test_payload is not None: response = post_with_retry( model_url, headers=headers, json_data=test_payload, timeout=test_case.response_timeout, ) else: response = get_with_retry( model_url, headers=headers, timeout=test_case.response_timeout, ) except Exception as e: logger.error(f"❌ Failed to call model: {e}") > raise AssertionError(f"❌ Failed to call model: {e}") from e E AssertionError: ❌ Failed to call model: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Max retries exceeded with url: /kserve-ci-e2e-test/custom-route-timeout-test/v1/completions (Caused by ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)")) llmisvc/test_llm_inference_service.py:1109: AssertionErrorself = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f281423c490> conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f2814222fd0> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-59b9d263/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) timeout = Timeout(connect=60, read=60, total=None), chunked = False response_conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f2814222fd0> preload_content = False, decode_content = False, enforce_content_length = True def _make_request( self, conn: BaseHTTPConnection, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | None = None, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, chunked: bool = False, response_conn: BaseHTTPConnection | None = None, preload_content: bool = True, decode_content: bool = True, enforce_content_length: bool = True, ) -> BaseHTTPResponse: """ Perform a request on a given urllib connection object taken from our pool. :param conn: a connection from one of our connection pools :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. Pass ``None`` to retry until you receive a response. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param response_conn: Set this to ``None`` if you will handle releasing the connection or set the connection to have the response release it. :param preload_content: If True, the response's body will be preloaded during construction. :param decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param enforce_content_length: Enforce content length checking. Body returned by server must match value of Content-Length header, if present. Otherwise, raise error. """ self.num_requests += 1 timeout_obj = self._get_timeout(timeout) timeout_obj.start_connect() conn.timeout = Timeout.resolve_default_timeout(timeout_obj.connect_timeout) try: # Trigger any extra validation we need to do. try: self._validate_conn(conn) except (SocketTimeout, BaseSSLError) as e: self._raise_timeout(err=e, url=url, timeout_value=conn.timeout) raise # _validate_conn() starts the connection to an HTTPS proxy # so we need to wrap errors with 'ProxyError' here too. except ( OSError, NewConnectionError, TimeoutError, BaseSSLError, CertificateError, SSLError, ) as e: new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) # If the connection didn't successfully connect to it's proxy # then there if isinstance( new_e, (OSError, NewConnectionError, TimeoutError, SSLError) ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) raise new_e # conn.request() calls http.client.*.request, not the method in # urllib3.request. It also calls makefile (recv) on the socket. try: conn.request( method, url, body=body, headers=headers, chunked=chunked, preload_content=preload_content, decode_content=decode_content, enforce_content_length=enforce_content_length, ) # We are swallowing BrokenPipeError (errno.EPIPE) since the server is # legitimately able to close the connection after sending a valid response. # With this behaviour, the received response is still readable. except BrokenPipeError: pass except OSError as e: # MacOS/Linux # EPROTOTYPE and ECONNRESET are needed on macOS # https://erickt.github.io/blog/2014/11/19/adventures-in-debugging-a-potential-osx-kernel-bug/ # Condition changed later to emit ECONNRESET instead of only EPROTOTYPE. if e.errno != errno.EPROTOTYPE and e.errno != errno.ECONNRESET: raise # Reset the timeout for the recv() on the socket read_timeout = timeout_obj.read_timeout if not conn.is_closed: # In Python 3 socket.py will catch EAGAIN and return None when you # try and read into the file pointer created by http.client, which # instead raises a BadStatusLine exception. Instead of catching # the exception and assuming all BadStatusLine exceptions are read # timeouts, check for a zero timeout before making the request. if read_timeout == 0: raise ReadTimeoutError( self, url, f"Read timed out. (read timeout={read_timeout})" ) conn.timeout = read_timeout # Receive the response from the server try: > response = conn.getresponse() ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:534: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f2814222fd0> def getresponse( # type: ignore[override] self, ) -> HTTPResponse: """ Get the response from the server. If the HTTPConnection is in the correct state, returns an instance of HTTPResponse or of whatever object is returned by the response_class variable. If a request has not been sent or if a previous response has not be handled, ResponseNotReady is raised. If the HTTP response indicates that the connection should be closed, then it will be closed before the response is returned. When the connection is closed, the underlying socket is closed. """ # Raise the same error as http.client.HTTPConnection if self._response_options is None: raise ResponseNotReady() # Reset this attribute for being used again. resp_options = self._response_options self._response_options = None # Since the connection's timeout value may have been updated # we need to set the timeout on the socket. self.sock.settimeout(self.timeout) # This is needed here to avoid circular import errors from .response import HTTPResponse # Save a reference to the shutdown function before ownership is passed # to httplib_response # TODO should we implement it everywhere? _shutdown = getattr(self.sock, "shutdown", None) # Get the response from http.client.HTTPConnection > httplib_response = super().getresponse() ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connection.py:571: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f2814222fd0> def getresponse(self): """Get the response from the server. If the HTTPConnection is in the correct state, returns an instance of HTTPResponse or of whatever object is returned by the response_class variable. If a request has not been sent or if a previous response has not be handled, ResponseNotReady is raised. If the HTTP response indicates that the connection should be closed, then it will be closed before the response is returned. When the connection is closed, the underlying socket is closed. """ # if a prior response has been completed, then forget about it. if self.__response and self.__response.isclosed(): self.__response = None # if a prior response exists, then it must be completed (otherwise, we # cannot read this response's header to determine the connection-close # behavior) # # note: if a prior response existed, but was connection-close, then the # socket and response were made independent of this HTTPConnection # object since a new request requires that we open a whole new # connection # # this means the prior response had one of two states: # 1) will_close: this connection was reset and the prior socket and # response operate independently # 2) persistent: the response was retained and we await its # isclosed() status to become true. # if self.__state != _CS_REQ_SENT or self.__response: raise ResponseNotReady(self.__state) if self.debuglevel > 0: response = self.response_class(self.sock, self.debuglevel, method=self._method) else: response = self.response_class(self.sock, method=self._method) try: try: > response.begin() /usr/lib64/python3.11/http/client.py:1395: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <http.client.HTTPResponse object at 0x7f281537d570> def begin(self): if self.headers is not None: # we've already started reading the response return # read until we get a non-100 response while True: > version, status, reason = self._read_status() /usr/lib64/python3.11/http/client.py:325: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <http.client.HTTPResponse object at 0x7f281537d570> def _read_status(self): > line = str(self.fp.readline(_MAXLINE + 1), "iso-8859-1") /usr/lib64/python3.11/http/client.py:286: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <socket.SocketIO object at 0x7f281537fd00> b = <memory at 0x7f2813cd5540> def readinto(self, b): """Read up to len(b) bytes into the writable buffer *b* and return the number of bytes read. If the socket is non-blocking and no bytes are available, None is returned. If *b* is non-empty, a 0 return value indicates that the connection was shutdown at the other end. """ self._checkClosed() self._checkReadable() if self._timeout_occurred: raise OSError("cannot read from timed out object") while True: try: > return self._sock.recv_into(b) E TimeoutError: timed out /usr/lib64/python3.11/socket.py:718: TimeoutError The above exception was the direct cause of the following exception: self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f281423c490> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-59b9d263/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-59b9d263/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False, err = None, clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object > response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:787: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f281423c490> conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f2814222fd0> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-59b9d263/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) timeout = Timeout(connect=60, read=60, total=None), chunked = False response_conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f2814222fd0> preload_content = False, decode_content = False, enforce_content_length = True def _make_request( self, conn: BaseHTTPConnection, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | None = None, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, chunked: bool = False, response_conn: BaseHTTPConnection | None = None, preload_content: bool = True, decode_content: bool = True, enforce_content_length: bool = True, ) -> BaseHTTPResponse: """ Perform a request on a given urllib connection object taken from our pool. :param conn: a connection from one of our connection pools :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. Pass ``None`` to retry until you receive a response. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param response_conn: Set this to ``None`` if you will handle releasing the connection or set the connection to have the response release it. :param preload_content: If True, the response's body will be preloaded during construction. :param decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param enforce_content_length: Enforce content length checking. Body returned by server must match value of Content-Length header, if present. Otherwise, raise error. """ self.num_requests += 1 timeout_obj = self._get_timeout(timeout) timeout_obj.start_connect() conn.timeout = Timeout.resolve_default_timeout(timeout_obj.connect_timeout) try: # Trigger any extra validation we need to do. try: self._validate_conn(conn) except (SocketTimeout, BaseSSLError) as e: self._raise_timeout(err=e, url=url, timeout_value=conn.timeout) raise # _validate_conn() starts the connection to an HTTPS proxy # so we need to wrap errors with 'ProxyError' here too. except ( OSError, NewConnectionError, TimeoutError, BaseSSLError, CertificateError, SSLError, ) as e: new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) # If the connection didn't successfully connect to it's proxy # then there if isinstance( new_e, (OSError, NewConnectionError, TimeoutError, SSLError) ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) raise new_e # conn.request() calls http.client.*.request, not the method in # urllib3.request. It also calls makefile (recv) on the socket. try: conn.request( method, url, body=body, headers=headers, chunked=chunked, preload_content=preload_content, decode_content=decode_content, enforce_content_length=enforce_content_length, ) # We are swallowing BrokenPipeError (errno.EPIPE) since the server is # legitimately able to close the connection after sending a valid response. # With this behaviour, the received response is still readable. except BrokenPipeError: pass except OSError as e: # MacOS/Linux # EPROTOTYPE and ECONNRESET are needed on macOS # https://erickt.github.io/blog/2014/11/19/adventures-in-debugging-a-potential-osx-kernel-bug/ # Condition changed later to emit ECONNRESET instead of only EPROTOTYPE. if e.errno != errno.EPROTOTYPE and e.errno != errno.ECONNRESET: raise # Reset the timeout for the recv() on the socket read_timeout = timeout_obj.read_timeout if not conn.is_closed: # In Python 3 socket.py will catch EAGAIN and return None when you # try and read into the file pointer created by http.client, which # instead raises a BadStatusLine exception. Instead of catching # the exception and assuming all BadStatusLine exceptions are read # timeouts, check for a zero timeout before making the request. if read_timeout == 0: raise ReadTimeoutError( self, url, f"Read timed out. (read timeout={read_timeout})" ) conn.timeout = read_timeout # Receive the response from the server try: response = conn.getresponse() except (BaseSSLError, OSError) as e: > self._raise_timeout(err=e, url=url, timeout_value=read_timeout) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:536: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f281423c490> err = TimeoutError('timed out') url = '/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-59b9d263/v1/completions' timeout_value = 60 def _raise_timeout( self, err: BaseSSLError | OSError | SocketTimeout, url: str, timeout_value: _TYPE_TIMEOUT | None, ) -> None: """Is the error actually a timeout? Will raise a ReadTimeout or pass""" if isinstance(err, SocketTimeout): > raise ReadTimeoutError( self, url, f"Read timed out. (read timeout={timeout_value})" ) from err E urllib3.exceptions.ReadTimeoutError: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:367: ReadTimeoutError The above exception was the direct cause of the following exception: self = <requests.adapters.HTTPAdapter object at 0x7f281423c550> request = <PreparedRequest [POST]>, stream = False timeout = Timeout(connect=60, read=60, total=None), verify = '/tmp/ca.crt' cert = None, proxies = OrderedDict() def send( self, request, stream=False, timeout=None, verify=True, cert=None, proxies=None ): """Sends PreparedRequest object. Returns Response object. :param request: The :class:`PreparedRequest <PreparedRequest>` being sent. :param stream: (optional) Whether to stream the request content. :param timeout: (optional) How long to wait for the server to send data before giving up, as a float, or a :ref:`(connect timeout, read timeout) <timeouts>` tuple. :type timeout: float or tuple or urllib3 Timeout object :param verify: (optional) Either a boolean, in which case it controls whether we verify the server's TLS certificate, or a string, in which case it must be a path to a CA bundle to use :param cert: (optional) Any user-provided SSL certificate to be trusted. :param proxies: (optional) The proxies dictionary to apply to the request. :rtype: requests.Response """ try: conn = self.get_connection_with_tls_context( request, verify, proxies=proxies, cert=cert ) except LocationValueError as e: raise InvalidURL(e, request=request) self.cert_verify(conn, request.url, verify, cert) url = self.request_url(request, proxies) self.add_headers( request, stream=stream, timeout=timeout, verify=verify, cert=cert, proxies=proxies, ) chunked = not (request.body is None or "Content-Length" in request.headers) if isinstance(timeout, tuple): try: connect, read = timeout timeout = TimeoutSauce(connect=connect, read=read) except ValueError: raise ValueError( f"Invalid timeout {timeout}. Pass a (connect, read) timeout tuple, " f"or a single float to set both timeouts to the same value." ) elif isinstance(timeout, TimeoutSauce): pass else: timeout = TimeoutSauce(connect=timeout, read=timeout) try: > resp = conn.urlopen( method=request.method, url=url, body=request.body, headers=request.headers, redirect=False, assert_same_host=False, preload_content=False, decode_content=False, retries=self.max_retries, timeout=timeout, chunked=chunked, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/adapters.py:667: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f281423c490> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-59b9d263/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=7, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-59b9d263/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f281423c490> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-59b9d263/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=6, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-59b9d263/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f281423c490> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-59b9d263/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=5, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-59b9d263/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f281423c490> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-59b9d263/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=4, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-59b9d263/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f281423c490> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-59b9d263/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=3, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-59b9d263/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f281423c490> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-59b9d263/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=2, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-59b9d263/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f281423c490> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-59b9d263/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=1, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-59b9d263/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f281423c490> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-59b9d263/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-59b9d263/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f281423c490> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-59b9d263/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-59b9d263/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False, err = None, clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) > retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:841: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = Retry(total=0, connect=None, read=None, redirect=None, status=None) method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-59b9d263/v1/completions' response = None error = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") _pool = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f281423c490> _stacktrace = <traceback object at 0x7f2814222000> def increment( self, method: str | None = None, url: str | None = None, response: BaseHTTPResponse | None = None, error: Exception | None = None, _pool: ConnectionPool | None = None, _stacktrace: TracebackType | None = None, ) -> Self: """Return a new Retry object with incremented retry counters. :param response: A response object, or None, if the server did not return a response. :type response: :class:`~urllib3.response.BaseHTTPResponse` :param Exception error: An error encountered during the request, or None if the response was received successfully. :return: A new ``Retry`` object. """ if self.total is False and error: # Disabled, indicate to re-raise the error. raise reraise(type(error), error, _stacktrace) total = self.total if total is not None: total -= 1 connect = self.connect read = self.read redirect = self.redirect status_count = self.status other = self.other cause = "unknown" status = None redirect_location = None if error and self._is_connection_error(error): # Connect retry? if connect is False: raise reraise(type(error), error, _stacktrace) elif connect is not None: connect -= 1 elif error and self._is_read_error(error): # Read retry? if read is False or method is None or not self._is_method_retryable(method): raise reraise(type(error), error, _stacktrace) elif read is not None: read -= 1 elif error: # Other retry? if other is not None: other -= 1 elif response and response.get_redirect_location(): # Redirect retry? if redirect is not None: redirect -= 1 cause = "too many redirects" response_redirect_location = response.get_redirect_location() if response_redirect_location: redirect_location = response_redirect_location status = response.status else: # Incrementing because of a server error like a 500 in # status_forcelist and the given method is in the allowed_methods cause = ResponseError.GENERIC_ERROR if response and response.status: if status_count is not None: status_count -= 1 cause = ResponseError.SPECIFIC_ERROR.format(status_code=response.status) status = response.status history = self.history + ( RequestHistory(method, url, error, status, redirect_location), ) new_retry = self.new( total=total, connect=connect, read=read, redirect=redirect, status=status_count, other=other, history=history, ) if new_retry.is_exhausted(): reason = error or ResponseError(cause) > raise MaxRetryError(_pool, url, reason) from reason # type: ignore[arg-type] E urllib3.exceptions.MaxRetryError: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Max retries exceeded with url: /kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-59b9d263/v1/completions (Caused by ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)")) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/util/retry.py:519: MaxRetryError During handling of the above exception, another exception occurred: def get_successful_response(): try: if test_case.url_getter: service_url = test_case.url_getter(kserve_client, test_case.llm_service) else: service_url = get_llm_service_url(kserve_client, test_case.llm_service) except Exception as e: raise AssertionError(f"❌ Failed to get service URL: {e}") from e model_url = service_url + test_case.endpoint headers = {"Content-Type": "application/json"} if extra_headers: headers.update(extra_headers) if test_case.payload_formatter is not None: test_payload = test_case.payload_formatter(test_case) elif test_case.prompt is not None: test_payload = { "model": test_case.model_name if not extra_headers or MODEL_ROUTING_HEADER not in extra_headers else extra_headers[MODEL_ROUTING_HEADER], "prompt": test_case.prompt, "max_tokens": test_case.max_tokens, } else: test_payload = None logger.info(f"Calling LLM service at {model_url} with payload {test_payload}") try: if test_payload is not None: > response = post_with_retry( model_url, headers=headers, json_data=test_payload, timeout=test_case.response_timeout, ) llmisvc/test_llm_inference_service.py:1095: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ url = 'http://a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-59b9d263/v1/completions' def post_with_retry( url: str, *, headers: Dict = None, json_data: Union[Dict, List] = None, data: Union[str, bytes] = None, stream: bool = False, timeout: float = None, total_retries: int = DEFAULT_RETRY_TOTAL, backoff_factor: float = DEFAULT_RETRY_BACKOFF_FACTOR, retry_status_codes=DEFAULT_RETRY_STATUS_CODES, ) -> requests.Response: """ Send POST request with retries for transient HTTP and network failures. """ if json_data is not None and data is not None: raise ValueError("Only one of json_data or data can be provided.") with _retry_session( ["POST"], total_retries, backoff_factor, retry_status_codes ) as session: > return session.post( url, json=json_data, data=data, headers=headers, stream=stream, timeout=timeout, ) common/http_retry.py:70: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.sessions.Session object at 0x7f2813f71d50> url = 'http://a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-59b9d263/v1/completions' data = None json = {'max_tokens': 20, 'model': 'facebook/opt-125m', 'prompt': 'KServe is a'} kwargs = {'headers': {'Content-Type': 'application/json'}, 'stream': False, 'timeout': 60} def post(self, url, data=None, json=None, **kwargs): r"""Sends a POST request. Returns :class:`Response` object. :param url: URL for the new :class:`Request` object. :param data: (optional) Dictionary, list of tuples, bytes, or file-like object to send in the body of the :class:`Request`. :param json: (optional) json to send in the body of the :class:`Request`. :param \*\*kwargs: Optional arguments that ``request`` takes. :rtype: requests.Response """ > return self.request("POST", url, data=data, json=json, **kwargs) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/sessions.py:637: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.sessions.Session object at 0x7f2813f71d50>, method = 'POST' url = 'http://a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-59b9d263/v1/completions' params = None, data = None, headers = {'Content-Type': 'application/json'} cookies = None, files = None, auth = None, timeout = 60, allow_redirects = True proxies = {}, hooks = None, stream = False, verify = None, cert = None json = {'max_tokens': 20, 'model': 'facebook/opt-125m', 'prompt': 'KServe is a'} def request( self, method, url, params=None, data=None, headers=None, cookies=None, files=None, auth=None, timeout=None, allow_redirects=True, proxies=None, hooks=None, stream=None, verify=None, cert=None, json=None, ): """Constructs a :class:`Request <Request>`, prepares it and sends it. Returns :class:`Response <Response>` object. :param method: method for the new :class:`Request` object. :param url: URL for the new :class:`Request` object. :param params: (optional) Dictionary or bytes to be sent in the query string for the :class:`Request`. :param data: (optional) Dictionary, list of tuples, bytes, or file-like object to send in the body of the :class:`Request`. :param json: (optional) json to send in the body of the :class:`Request`. :param headers: (optional) Dictionary of HTTP Headers to send with the :class:`Request`. :param cookies: (optional) Dict or CookieJar object to send with the :class:`Request`. :param files: (optional) Dictionary of ``'filename': file-like-objects`` for multipart encoding upload. :param auth: (optional) Auth tuple or callable to enable Basic/Digest/Custom HTTP Auth. :param timeout: (optional) How long to wait for the server to send data before giving up, as a float, or a :ref:`(connect timeout, read timeout) <timeouts>` tuple. :type timeout: float or tuple :param allow_redirects: (optional) Set to True by default. :type allow_redirects: bool :param proxies: (optional) Dictionary mapping protocol or protocol and hostname to the URL of the proxy. :param hooks: (optional) Dictionary mapping hook name to one event or list of events, event must be callable. :param stream: (optional) whether to immediately download the response content. Defaults to ``False``. :param verify: (optional) Either a boolean, in which case it controls whether we verify the server's TLS certificate, or a string, in which case it must be a path to a CA bundle to use. Defaults to ``True``. When set to ``False``, requests will accept any TLS certificate presented by the server, and will ignore hostname mismatches and/or expired certificates, which will make your application vulnerable to man-in-the-middle (MitM) attacks. Setting verify to ``False`` may be useful during local development or testing. :param cert: (optional) if String, path to ssl client cert file (.pem). If Tuple, ('cert', 'key') pair. :rtype: requests.Response """ # Create the Request. req = Request( method=method.upper(), url=url, headers=headers, files=files, data=data or {}, json=json, params=params or {}, auth=auth, cookies=cookies, hooks=hooks, ) prep = self.prepare_request(req) proxies = proxies or {} settings = self.merge_environment_settings( prep.url, proxies, stream, verify, cert ) # Send the request. send_kwargs = { "timeout": timeout, "allow_redirects": allow_redirects, } send_kwargs.update(settings) > resp = self.send(prep, **send_kwargs) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/sessions.py:589: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.sessions.Session object at 0x7f2813f71d50> request = <PreparedRequest [POST]> kwargs = {'cert': None, 'proxies': OrderedDict(), 'stream': False, 'timeout': 60, ...} allow_redirects = True, stream = False, hooks = {'response': []} adapter = <requests.adapters.HTTPAdapter object at 0x7f281423c550> start = 1783003290.074093 def send(self, request, **kwargs): """Send a given PreparedRequest. :rtype: requests.Response """ # Set defaults that the hooks can utilize to ensure they always have # the correct parameters to reproduce the previous request. kwargs.setdefault("stream", self.stream) kwargs.setdefault("verify", self.verify) kwargs.setdefault("cert", self.cert) if "proxies" not in kwargs: kwargs["proxies"] = resolve_proxies(request, self.proxies, self.trust_env) # It's possible that users might accidentally send a Request object. # Guard against that specific failure case. if isinstance(request, Request): raise ValueError("You can only send PreparedRequests.") # Set up variables needed for resolve_redirects and dispatching of hooks allow_redirects = kwargs.pop("allow_redirects", True) stream = kwargs.get("stream") hooks = request.hooks # Get the appropriate adapter to use adapter = self.get_adapter(url=request.url) # Start time (approximately) of the request start = preferred_clock() # Send the request > r = adapter.send(request, **kwargs) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/sessions.py:703: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.adapters.HTTPAdapter object at 0x7f281423c550> request = <PreparedRequest [POST]>, stream = False timeout = Timeout(connect=60, read=60, total=None), verify = '/tmp/ca.crt' cert = None, proxies = OrderedDict() def send( self, request, stream=False, timeout=None, verify=True, cert=None, proxies=None ): """Sends PreparedRequest object. Returns Response object. :param request: The :class:`PreparedRequest <PreparedRequest>` being sent. :param stream: (optional) Whether to stream the request content. :param timeout: (optional) How long to wait for the server to send data before giving up, as a float, or a :ref:`(connect timeout, read timeout) <timeouts>` tuple. :type timeout: float or tuple or urllib3 Timeout object :param verify: (optional) Either a boolean, in which case it controls whether we verify the server's TLS certificate, or a string, in which case it must be a path to a CA bundle to use :param cert: (optional) Any user-provided SSL certificate to be trusted. :param proxies: (optional) The proxies dictionary to apply to the request. :rtype: requests.Response """ try: conn = self.get_connection_with_tls_context( request, verify, proxies=proxies, cert=cert ) except LocationValueError as e: raise InvalidURL(e, request=request) self.cert_verify(conn, request.url, verify, cert) url = self.request_url(request, proxies) self.add_headers( request, stream=stream, timeout=timeout, verify=verify, cert=cert, proxies=proxies, ) chunked = not (request.body is None or "Content-Length" in request.headers) if isinstance(timeout, tuple): try: connect, read = timeout timeout = TimeoutSauce(connect=connect, read=read) except ValueError: raise ValueError( f"Invalid timeout {timeout}. Pass a (connect, read) timeout tuple, " f"or a single float to set both timeouts to the same value." ) elif isinstance(timeout, TimeoutSauce): pass else: timeout = TimeoutSauce(connect=timeout, read=timeout) try: resp = conn.urlopen( method=request.method, url=url, body=request.body, headers=request.headers, redirect=False, assert_same_host=False, preload_content=False, decode_content=False, retries=self.max_retries, timeout=timeout, chunked=chunked, ) except (ProtocolError, OSError) as err: raise ConnectionError(err, request=request) except MaxRetryError as e: if isinstance(e.reason, ConnectTimeoutError): # TODO: Remove this in 3.0.0: see #2811 if not isinstance(e.reason, NewConnectionError): raise ConnectTimeout(e, request=request) if isinstance(e.reason, ResponseError): raise RetryError(e, request=request) if isinstance(e.reason, _ProxyError): raise ProxyError(e, request=request) if isinstance(e.reason, _SSLError): # This branch is for urllib3 v1.22 and later. raise SSLError(e, request=request) > raise ConnectionError(e, request=request) E requests.exceptions.ConnectionError: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Max retries exceeded with url: /kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-59b9d263/v1/completions (Caused by ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)")) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/adapters.py:700: ConnectionError The above exception was the direct cause of the following exception: test_case = TestCase(base_refs=['router-managed', 'workload-single-cpu', 'model-pvc'], prompt='KServe is a', service_name='llmisvc... {'name': 'model-pvc-llmisvc-model-pvc-rou-7b41e44b'}]}, 'status': None}, model_name='facebook/opt-125m') @pytest.mark.llminferenceservice @pytest.mark.asyncio(loop_scope="session") @pytest.mark.parametrize( "test_case", [ pytest.param( TestCase( base_refs=[ "router-with-gateway-ref", "router-with-managed-route", "model-fb-opt-125m", "workload-llmd-simulator", ], endpoint="/v1/completions", prompt="KServe is a", payload_formatter=completions_payload, response_assertion=create_response_assertion(with_field="choices"), expected_gateway=ROUTER_GATEWAYS[0], before_test=[ lambda: create_router_resources( gateways=[ROUTER_GATEWAYS[0]], ) ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, pytest.mark.custom_gateway, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-fb-opt-125m", ], prompt="KServe is a", payload_formatter=completions_payload, response_assertion=assert_200_with_choices, ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-custom-route-timeout", "scheduler-managed", "workload-single-cpu", "model-fb-opt-125m", ], prompt="KServe is a", service_name="custom-route-timeout-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-with-refs", "scheduler-managed", "workload-single-cpu", "model-fb-opt-125m", ], prompt="KServe is a", service_name="router-with-refs-test", expected_gateway=ROUTER_GATEWAYS[0], before_test=[ lambda: create_router_resources( gateways=[ROUTER_GATEWAYS[0]], routes=[ROUTER_ROUTES[0], ROUTER_ROUTES[1]], ) ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.custom_gateway, ], ), pytest.param( TestCase( base_refs=["router-managed", "workload-pd-cpu", "model-fb-opt-125m"], prompt="You are an expert in Kubernetes-native machine learning serving platforms, with deep knowledge of the KServe project. " "Explain the challenges of serving large-scale models, GPU scheduling, and how KServe integrates with capabilities like multi-model serving. " "Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", response_assertion=assert_200_with_choices, ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-custom-route-timeout-pd", "scheduler-managed", "workload-pd-cpu", "model-fb-opt-125m", ], prompt="You are an expert in Kubernetes-native machine learning serving platforms, with deep knowledge of the KServe project. " "Explain the challenges of serving large-scale models, GPU scheduling, and how KServe integrates with capabilities like multi-model serving. " "Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", service_name="custom-route-timeout-pd-test", response_assertion=assert_200_with_choices, ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-with-refs-pd", "scheduler-managed", "workload-pd-cpu", "model-fb-opt-125m", ], prompt="You are an expert in Kubernetes-native machine learning serving platforms, with deep knowledge of the KServe project. " "Explain the challenges of serving large-scale models, GPU scheduling, and how KServe integrates with capabilities like multi-model serving. " "Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", service_name="router-with-refs-pd-test", response_assertion=assert_200_with_choices, expected_gateway=ROUTER_GATEWAYS[1], before_test=[ lambda: create_router_resources( gateways=[ROUTER_GATEWAYS[1]], routes=[ROUTER_ROUTES[2], ROUTER_ROUTES[3]], ) ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.custom_gateway, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-dp-ep-gpu", "workload-dp-ep-prefill-gpu", "model-deepseek-v2-lite", ], prompt="Delve into the multifaceted implications of a fully disaggregated cloud architecture, specifically " "where the compute plane (P) and the data plane (D) are independently deployed and managed for a " "geographically distributed, high-throughput, low-latency microservices ecosystem. Beyond the " "fundamental challenges of network latency and data consistency, elaborate on the advanced " "considerations and trade-offs inherent in such a setup: 1. Network Architecture and Protocols: " "How would the network fabric and underlying protocols (e.g., RDMA, custom transport layers) need to " "evolve to support optimal performance and minimize inter-plane communication overhead, especially for " "synchronous operations? Discuss the role of network programmability (e.g., SDN, P4) in dynamically " "optimizing routing and traffic flow between P and D. 2. Advanced Data Consistency and Durability: " "Explore sophisticated data consistency models (e.g., causal consistency, strong eventual consistency) " "and their applicability in balancing performance and data integrity across a globally distributed data plane. " "Detail strategies for ensuring data durability and fault tolerance, including multi-region replication, " "intelligent partitioning, and recovery mechanisms in the event of partial or full plane failures. " "3. Dynamic Resource Orchestration and Cost Optimization: Analyze how an orchestration layer would intelligently " "manage the independent scaling of compute (P) and data (D) resources, considering fluctuating workloads, " "cost efficiency, and performance targets (e.g., using predictive analytics for resource provisioning). " "Discuss mechanisms for dynamically reallocating compute nodes to different data partitions based on " "workload patterns and data locality, potentially involving live migration strategies. " "4. Security and Compliance in a Distributed Landscape: Address the enhanced security perimeter " "challenges, including securing communication channels between P and D (encryption in transit, mutual TLS), " "fine-grained access control to data at rest and in motion, and identity management across disaggregated " "components. Discuss how such an architecture impacts compliance with regulatory frameworks (e.g., GDPR, HIPAA) " "concerning data sovereignty, privacy, and auditability. 5. Operational Complexity and Observability: " "Examine the increased complexity in monitoring, logging, and tracing across highly decoupled compute and " "data planes. What specialized tooling and practices (e.g., distributed tracing with OpenTelemetry, advanced AIOps) " "would be essential? How would incident response and troubleshooting differ in this disaggregated environment " "compared to traditional integrated systems? Consider the challenges of pinpointing root causes across " "independent failures. 6. Real-world Applicability and Future Trends: Identify specific industries " "or use cases (e.g., high-frequency trading, IoT edge processing, large language model inference) " "where the benefits of P/D disaggregation would strongly outweigh its complexities. " "Conclude by speculating on emerging technologies or paradigms (e.g., serverless compute functions " "directly interacting with object storage, in-memory disaggregation) that could further drive or " "transform P/D disaggregation in cloud computing.", max_tokens=2000, ), marks=[ pytest.mark.cluster_gpu, pytest.mark.cluster_nvidia, pytest.mark.cluster_nvidia_roce, ], ), pytest.param( TestCase( base_refs=[ "router-no-scheduler", "workload-single-cpu", "model-fb-opt-125m", ], prompt="What is KServe?", ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.no_scheduler, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-simulated-dp-ep-cpu", "model-fb-opt-125m", ], prompt="This test simulates DP+EP that can run on CPU, the idea is to test the LWS-based deployment, " "but without the resources requirements for DP+EP (GPUs and ROCe/IB).", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_multi_node], ), # Scheduler config tests pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-inline-config", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-inline-config-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), # Chat completions endpoint coverage pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", "model-qwen2.5-0.5b", ], model_name="Qwen/Qwen2.5-0.5B-Instruct", endpoint="/v1/chat/completions", prompt="What is KServe?", payload_formatter=chat_completions_payload, response_assertion=create_response_assertion(with_field="choices"), ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-configmap-ref", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-configmap-ref-test", before_test=[create_scheduler_configmap], after_test=[delete_scheduler_configmap], ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-replicas", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-ha-replicas-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-custom-template", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-custom-template-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), # Scheduler v0.6 → v0.7 migration tests. # Deploy v0.6-style configs and verify the controller migrates them # so the v0.7 scheduler boots successfully. pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-v06-pd-config-migration", "workload-llmd-simulator-pd", ], prompt="KServe is a", service_name="scheduler-v06-pd-migration-test", response_assertion=assert_200_with_choices, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-v06-nonzero-threshold-migration", "workload-llmd-simulator-pd", ], prompt="KServe is a", service_name="scheduler-v06-threshold-migration-test", response_assertion=assert_200_with_choices, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), # Precise prefix KV cache routing test pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-precise-prefix-cache-inline-config", "workload-llmd-simulator-kvcache", ], prompt="KServe is a", service_name="precise-prefix-cache-test", ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), # Models endpoint coverage pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", ], endpoint="/v1/models", response_assertion=create_response_assertion(with_field="data"), ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), # Model-based routing via X-Gateway-Model-Name header — /v1/completions pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", ], endpoint="/v1/completions", prompt="KServe is a", payload_formatter=completions_payload, response_assertion=assert_model_field_matches("facebook/opt-125m"), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", }, peers=[ TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", "model-qwen2.5-0.5b", ], endpoint="/v1/completions", prompt="KServe is a", payload_formatter=completions_payload, response_assertion=assert_model_field_matches( "Qwen/Qwen2.5-0.5B-Instruct" ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/Qwen/Qwen2.5-0.5B-Instruct", }, ), ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, pytest.mark.model_routing, ], ), # Model-based routing via X-Gateway-Model-Name header — /v1/chat/completions pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", ], endpoint="/v1/chat/completions", prompt="What is KServe?", payload_formatter=chat_completions_payload, response_assertion=assert_model_field_matches("facebook/opt-125m"), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", }, peers=[ TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", "model-qwen2.5-0.5b", ], endpoint="/v1/chat/completions", prompt="What is KServe?", payload_formatter=chat_completions_payload, response_assertion=assert_model_field_matches( "Qwen/Qwen2.5-0.5B-Instruct" ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/Qwen/Qwen2.5-0.5B-Instruct", }, ), ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, pytest.mark.model_routing, ], ), # Model-based routing via X-Gateway-Model-Name header — LoRA adapter pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-fb-opt-125m-with-lora-hf", ], endpoint="/v1/completions", prompt="KServe is a", model_name=f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1", payload_formatter=completions_payload, response_assertion=assert_model_field_matches( f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1" ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1", }, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.model_routing, pytest.mark.lora, ], ), # Model-based routing via X-Gateway-Model-Name header — /v1/models (base + LoRA) pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-fb-opt-125m-with-lora-hf", ], endpoint="/v1/models", response_assertion=assert_models_contains( "facebook/opt-125m", f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", "lora-adapter-1", f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1", ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", }, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.model_routing, pytest.mark.lora, ], ), # PVC storage tests -- validate direct PVC volume mount with real vLLM serving pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-pvc", ], prompt="KServe is a", response_assertion=assert_200_with_choices, before_test=[ensure_pvc_with_model], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.pvc_storage, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-pd-cpu", "model-pvc", ], prompt="KServe is a", response_assertion=assert_200_with_choices, before_test=[ensure_pvc_with_model], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.pvc_storage, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-simulated-dp-ep-cpu", "model-pvc", ], prompt="KServe is a", before_test=[ensure_pvc_with_model], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_multi_node, pytest.mark.pvc_storage, ], ), ], indirect=["test_case"], ids=generate_test_id, ) @log_execution def test_llm_inference_service(test_case: TestCase): # noqa: F811 inject_k8s_proxy() kserve_client = KServeClient( config_file=os.environ.get("KUBECONFIG", "~/.kube/config"), client_configuration=client.Configuration(), ) service_name = test_case.llm_service.metadata.name if not test_case.llm_service.metadata.annotations: test_case.llm_service.metadata.annotations = {} test_case.llm_service.metadata.annotations[ "security.opendatahub.io/enable-auth" ] = "false" prefix = test_case.log_prefix test_failed = False try: print(f"{prefix} Creating LLMInferenceService {service_name}") create_llmisvc(kserve_client, test_case.llm_service) print(f"{prefix} Waiting for LLMInferenceService {service_name} to be ready") wait_for_llm_isvc_ready( kserve_client, test_case.llm_service, test_case.wait_timeout ) print(f"{prefix} Waiting for model response from {service_name}") > wait_for_model_response( kserve_client, test_case, test_case.wait_timeout, extra_headers=test_case.extra_headers, ) llmisvc/test_llm_inference_service.py:816: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ args = (<kserve.api.kserve_client.KServeClient object at 0x7f281423ee10>, TestCase(base_refs=['router-managed', 'workload-sin... {'name': 'model-pvc-llmisvc-model-pvc-rou-7b41e44b'}]}, 'status': None}, model_name='facebook/opt-125m'), 900) kwargs = {'extra_headers': None}, func_name = 'wait_for_model_response' timestamp_start = '2026-07-02T14:41:29.963351', start_time = 1783003289.9638228 duration = 904.8353252410889, timestamp_end = '2026-07-02T14:56:34.799151' @functools.wraps(func) def wrapper(*args, **kwargs): func_name = func.__name__ timestamp_start = datetime.now().isoformat() logger.info( f"[{func_name}] [{timestamp_start}] start - args={args}, kwargs={kwargs}" ) start_time = time.time() try: > result = func(*args, **kwargs) llmisvc/logging.py:40: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ kserve_client = <kserve.api.kserve_client.KServeClient object at 0x7f281423ee10> test_case = TestCase(base_refs=['router-managed', 'workload-single-cpu', 'model-pvc'], prompt='KServe is a', service_name='llmisvc... {'name': 'model-pvc-llmisvc-model-pvc-rou-7b41e44b'}]}, 'status': None}, model_name='facebook/opt-125m') timeout_seconds = 900, extra_headers = None @log_execution def wait_for_model_response( kserve_client: KServeClient, test_case: TestCase, # noqa: F811 timeout_seconds: int = 900, extra_headers: Optional[Dict[str, str]] = None, ) -> str: def get_successful_response(): try: if test_case.url_getter: service_url = test_case.url_getter(kserve_client, test_case.llm_service) else: service_url = get_llm_service_url(kserve_client, test_case.llm_service) except Exception as e: raise AssertionError(f"❌ Failed to get service URL: {e}") from e model_url = service_url + test_case.endpoint headers = {"Content-Type": "application/json"} if extra_headers: headers.update(extra_headers) if test_case.payload_formatter is not None: test_payload = test_case.payload_formatter(test_case) elif test_case.prompt is not None: test_payload = { "model": test_case.model_name if not extra_headers or MODEL_ROUTING_HEADER not in extra_headers else extra_headers[MODEL_ROUTING_HEADER], "prompt": test_case.prompt, "max_tokens": test_case.max_tokens, } else: test_payload = None logger.info(f"Calling LLM service at {model_url} with payload {test_payload}") try: if test_payload is not None: response = post_with_retry( model_url, headers=headers, json_data=test_payload, timeout=test_case.response_timeout, ) else: response = get_with_retry( model_url, headers=headers, timeout=test_case.response_timeout, ) except Exception as e: logger.error(f"❌ Failed to call model: {e}") raise AssertionError(f"❌ Failed to call model: {e}") from e logger.info(f"Model response is {response.status_code}: {response.text[:500]}") if 200 <= response.status_code < 300: return response raise AssertionError( f"Service returned {response.status_code}: {response.text}" ) > response = wait_for(get_successful_response, timeout=timeout_seconds, interval=5.0) llmisvc/test_llm_inference_service.py:1119: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ assertion_fn = <function wait_for_model_response.<locals>.get_successful_response at 0x7f28140c19e0> timeout = 900, interval = 5.0 def wait_for( assertion_fn: Callable[[], Any], timeout: float = 5.0, interval: float = 0.1 ) -> Any: """Wait for the assertion to succeed within timeout.""" deadline = time.time() + timeout last_msg = None while True: try: > return assertion_fn() llmisvc/test_llm_inference_service.py:1215: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ def get_successful_response(): try: if test_case.url_getter: service_url = test_case.url_getter(kserve_client, test_case.llm_service) else: service_url = get_llm_service_url(kserve_client, test_case.llm_service) except Exception as e: raise AssertionError(f"❌ Failed to get service URL: {e}") from e model_url = service_url + test_case.endpoint headers = {"Content-Type": "application/json"} if extra_headers: headers.update(extra_headers) if test_case.payload_formatter is not None: test_payload = test_case.payload_formatter(test_case) elif test_case.prompt is not None: test_payload = { "model": test_case.model_name if not extra_headers or MODEL_ROUTING_HEADER not in extra_headers else extra_headers[MODEL_ROUTING_HEADER], "prompt": test_case.prompt, "max_tokens": test_case.max_tokens, } else: test_payload = None logger.info(f"Calling LLM service at {model_url} with payload {test_payload}") try: if test_payload is not None: response = post_with_retry( model_url, headers=headers, json_data=test_payload, timeout=test_case.response_timeout, ) else: response = get_with_retry( model_url, headers=headers, timeout=test_case.response_timeout, ) except Exception as e: logger.error(f"❌ Failed to call model: {e}") > raise AssertionError(f"❌ Failed to call model: {e}") from e E AssertionError: ❌ Failed to call model: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Max retries exceeded with url: /kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-59b9d263/v1/completions (Caused by ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)")) llmisvc/test_llm_inference_service.py:1109: AssertionErrorself = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd0ed910> conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f76ddc22510> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-50bc673d/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "You are an expert in Kubernetes-native machine learning serving platforms,.... Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '416'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) timeout = Timeout(connect=60, read=60, total=None), chunked = False response_conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f76ddc22510> preload_content = False, decode_content = False, enforce_content_length = True def _make_request( self, conn: BaseHTTPConnection, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | None = None, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, chunked: bool = False, response_conn: BaseHTTPConnection | None = None, preload_content: bool = True, decode_content: bool = True, enforce_content_length: bool = True, ) -> BaseHTTPResponse: """ Perform a request on a given urllib connection object taken from our pool. :param conn: a connection from one of our connection pools :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. Pass ``None`` to retry until you receive a response. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param response_conn: Set this to ``None`` if you will handle releasing the connection or set the connection to have the response release it. :param preload_content: If True, the response's body will be preloaded during construction. :param decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param enforce_content_length: Enforce content length checking. Body returned by server must match value of Content-Length header, if present. Otherwise, raise error. """ self.num_requests += 1 timeout_obj = self._get_timeout(timeout) timeout_obj.start_connect() conn.timeout = Timeout.resolve_default_timeout(timeout_obj.connect_timeout) try: # Trigger any extra validation we need to do. try: self._validate_conn(conn) except (SocketTimeout, BaseSSLError) as e: self._raise_timeout(err=e, url=url, timeout_value=conn.timeout) raise # _validate_conn() starts the connection to an HTTPS proxy # so we need to wrap errors with 'ProxyError' here too. except ( OSError, NewConnectionError, TimeoutError, BaseSSLError, CertificateError, SSLError, ) as e: new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) # If the connection didn't successfully connect to it's proxy # then there if isinstance( new_e, (OSError, NewConnectionError, TimeoutError, SSLError) ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) raise new_e # conn.request() calls http.client.*.request, not the method in # urllib3.request. It also calls makefile (recv) on the socket. try: conn.request( method, url, body=body, headers=headers, chunked=chunked, preload_content=preload_content, decode_content=decode_content, enforce_content_length=enforce_content_length, ) # We are swallowing BrokenPipeError (errno.EPIPE) since the server is # legitimately able to close the connection after sending a valid response. # With this behaviour, the received response is still readable. except BrokenPipeError: pass except OSError as e: # MacOS/Linux # EPROTOTYPE and ECONNRESET are needed on macOS # https://erickt.github.io/blog/2014/11/19/adventures-in-debugging-a-potential-osx-kernel-bug/ # Condition changed later to emit ECONNRESET instead of only EPROTOTYPE. if e.errno != errno.EPROTOTYPE and e.errno != errno.ECONNRESET: raise # Reset the timeout for the recv() on the socket read_timeout = timeout_obj.read_timeout if not conn.is_closed: # In Python 3 socket.py will catch EAGAIN and return None when you # try and read into the file pointer created by http.client, which # instead raises a BadStatusLine exception. Instead of catching # the exception and assuming all BadStatusLine exceptions are read # timeouts, check for a zero timeout before making the request. if read_timeout == 0: raise ReadTimeoutError( self, url, f"Read timed out. (read timeout={read_timeout})" ) conn.timeout = read_timeout # Receive the response from the server try: > response = conn.getresponse() ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:534: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f76ddc22510> def getresponse( # type: ignore[override] self, ) -> HTTPResponse: """ Get the response from the server. If the HTTPConnection is in the correct state, returns an instance of HTTPResponse or of whatever object is returned by the response_class variable. If a request has not been sent or if a previous response has not be handled, ResponseNotReady is raised. If the HTTP response indicates that the connection should be closed, then it will be closed before the response is returned. When the connection is closed, the underlying socket is closed. """ # Raise the same error as http.client.HTTPConnection if self._response_options is None: raise ResponseNotReady() # Reset this attribute for being used again. resp_options = self._response_options self._response_options = None # Since the connection's timeout value may have been updated # we need to set the timeout on the socket. self.sock.settimeout(self.timeout) # This is needed here to avoid circular import errors from .response import HTTPResponse # Save a reference to the shutdown function before ownership is passed # to httplib_response # TODO should we implement it everywhere? _shutdown = getattr(self.sock, "shutdown", None) # Get the response from http.client.HTTPConnection > httplib_response = super().getresponse() ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connection.py:571: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f76ddc22510> def getresponse(self): """Get the response from the server. If the HTTPConnection is in the correct state, returns an instance of HTTPResponse or of whatever object is returned by the response_class variable. If a request has not been sent or if a previous response has not be handled, ResponseNotReady is raised. If the HTTP response indicates that the connection should be closed, then it will be closed before the response is returned. When the connection is closed, the underlying socket is closed. """ # if a prior response has been completed, then forget about it. if self.__response and self.__response.isclosed(): self.__response = None # if a prior response exists, then it must be completed (otherwise, we # cannot read this response's header to determine the connection-close # behavior) # # note: if a prior response existed, but was connection-close, then the # socket and response were made independent of this HTTPConnection # object since a new request requires that we open a whole new # connection # # this means the prior response had one of two states: # 1) will_close: this connection was reset and the prior socket and # response operate independently # 2) persistent: the response was retained and we await its # isclosed() status to become true. # if self.__state != _CS_REQ_SENT or self.__response: raise ResponseNotReady(self.__state) if self.debuglevel > 0: response = self.response_class(self.sock, self.debuglevel, method=self._method) else: response = self.response_class(self.sock, method=self._method) try: try: > response.begin() /usr/lib64/python3.11/http/client.py:1395: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <http.client.HTTPResponse object at 0x7f76dddaed40> def begin(self): if self.headers is not None: # we've already started reading the response return # read until we get a non-100 response while True: > version, status, reason = self._read_status() /usr/lib64/python3.11/http/client.py:325: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <http.client.HTTPResponse object at 0x7f76dddaed40> def _read_status(self): > line = str(self.fp.readline(_MAXLINE + 1), "iso-8859-1") /usr/lib64/python3.11/http/client.py:286: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <socket.SocketIO object at 0x7f76dddafb20> b = <memory at 0x7f76ddc0a980> def readinto(self, b): """Read up to len(b) bytes into the writable buffer *b* and return the number of bytes read. If the socket is non-blocking and no bytes are available, None is returned. If *b* is non-empty, a 0 return value indicates that the connection was shutdown at the other end. """ self._checkClosed() self._checkReadable() if self._timeout_occurred: raise OSError("cannot read from timed out object") while True: try: > return self._sock.recv_into(b) E TimeoutError: timed out /usr/lib64/python3.11/socket.py:718: TimeoutError The above exception was the direct cause of the following exception: self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd0ed910> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-50bc673d/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "You are an expert in Kubernetes-native machine learning serving platforms,.... Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '416'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-50bc673d/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False, err = None, clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object > response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:787: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd0ed910> conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f76ddc22510> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-50bc673d/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "You are an expert in Kubernetes-native machine learning serving platforms,.... Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '416'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) timeout = Timeout(connect=60, read=60, total=None), chunked = False response_conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f76ddc22510> preload_content = False, decode_content = False, enforce_content_length = True def _make_request( self, conn: BaseHTTPConnection, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | None = None, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, chunked: bool = False, response_conn: BaseHTTPConnection | None = None, preload_content: bool = True, decode_content: bool = True, enforce_content_length: bool = True, ) -> BaseHTTPResponse: """ Perform a request on a given urllib connection object taken from our pool. :param conn: a connection from one of our connection pools :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. Pass ``None`` to retry until you receive a response. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param response_conn: Set this to ``None`` if you will handle releasing the connection or set the connection to have the response release it. :param preload_content: If True, the response's body will be preloaded during construction. :param decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param enforce_content_length: Enforce content length checking. Body returned by server must match value of Content-Length header, if present. Otherwise, raise error. """ self.num_requests += 1 timeout_obj = self._get_timeout(timeout) timeout_obj.start_connect() conn.timeout = Timeout.resolve_default_timeout(timeout_obj.connect_timeout) try: # Trigger any extra validation we need to do. try: self._validate_conn(conn) except (SocketTimeout, BaseSSLError) as e: self._raise_timeout(err=e, url=url, timeout_value=conn.timeout) raise # _validate_conn() starts the connection to an HTTPS proxy # so we need to wrap errors with 'ProxyError' here too. except ( OSError, NewConnectionError, TimeoutError, BaseSSLError, CertificateError, SSLError, ) as e: new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) # If the connection didn't successfully connect to it's proxy # then there if isinstance( new_e, (OSError, NewConnectionError, TimeoutError, SSLError) ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) raise new_e # conn.request() calls http.client.*.request, not the method in # urllib3.request. It also calls makefile (recv) on the socket. try: conn.request( method, url, body=body, headers=headers, chunked=chunked, preload_content=preload_content, decode_content=decode_content, enforce_content_length=enforce_content_length, ) # We are swallowing BrokenPipeError (errno.EPIPE) since the server is # legitimately able to close the connection after sending a valid response. # With this behaviour, the received response is still readable. except BrokenPipeError: pass except OSError as e: # MacOS/Linux # EPROTOTYPE and ECONNRESET are needed on macOS # https://erickt.github.io/blog/2014/11/19/adventures-in-debugging-a-potential-osx-kernel-bug/ # Condition changed later to emit ECONNRESET instead of only EPROTOTYPE. if e.errno != errno.EPROTOTYPE and e.errno != errno.ECONNRESET: raise # Reset the timeout for the recv() on the socket read_timeout = timeout_obj.read_timeout if not conn.is_closed: # In Python 3 socket.py will catch EAGAIN and return None when you # try and read into the file pointer created by http.client, which # instead raises a BadStatusLine exception. Instead of catching # the exception and assuming all BadStatusLine exceptions are read # timeouts, check for a zero timeout before making the request. if read_timeout == 0: raise ReadTimeoutError( self, url, f"Read timed out. (read timeout={read_timeout})" ) conn.timeout = read_timeout # Receive the response from the server try: response = conn.getresponse() except (BaseSSLError, OSError) as e: > self._raise_timeout(err=e, url=url, timeout_value=read_timeout) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:536: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd0ed910> err = TimeoutError('timed out') url = '/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-50bc673d/v1/completions' timeout_value = 60 def _raise_timeout( self, err: BaseSSLError | OSError | SocketTimeout, url: str, timeout_value: _TYPE_TIMEOUT | None, ) -> None: """Is the error actually a timeout? Will raise a ReadTimeout or pass""" if isinstance(err, SocketTimeout): > raise ReadTimeoutError( self, url, f"Read timed out. (read timeout={timeout_value})" ) from err E urllib3.exceptions.ReadTimeoutError: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:367: ReadTimeoutError The above exception was the direct cause of the following exception: self = <requests.adapters.HTTPAdapter object at 0x7f76dcb920d0> request = <PreparedRequest [POST]>, stream = False timeout = Timeout(connect=60, read=60, total=None), verify = '/tmp/ca.crt' cert = None, proxies = OrderedDict() def send( self, request, stream=False, timeout=None, verify=True, cert=None, proxies=None ): """Sends PreparedRequest object. Returns Response object. :param request: The :class:`PreparedRequest <PreparedRequest>` being sent. :param stream: (optional) Whether to stream the request content. :param timeout: (optional) How long to wait for the server to send data before giving up, as a float, or a :ref:`(connect timeout, read timeout) <timeouts>` tuple. :type timeout: float or tuple or urllib3 Timeout object :param verify: (optional) Either a boolean, in which case it controls whether we verify the server's TLS certificate, or a string, in which case it must be a path to a CA bundle to use :param cert: (optional) Any user-provided SSL certificate to be trusted. :param proxies: (optional) The proxies dictionary to apply to the request. :rtype: requests.Response """ try: conn = self.get_connection_with_tls_context( request, verify, proxies=proxies, cert=cert ) except LocationValueError as e: raise InvalidURL(e, request=request) self.cert_verify(conn, request.url, verify, cert) url = self.request_url(request, proxies) self.add_headers( request, stream=stream, timeout=timeout, verify=verify, cert=cert, proxies=proxies, ) chunked = not (request.body is None or "Content-Length" in request.headers) if isinstance(timeout, tuple): try: connect, read = timeout timeout = TimeoutSauce(connect=connect, read=read) except ValueError: raise ValueError( f"Invalid timeout {timeout}. Pass a (connect, read) timeout tuple, " f"or a single float to set both timeouts to the same value." ) elif isinstance(timeout, TimeoutSauce): pass else: timeout = TimeoutSauce(connect=timeout, read=timeout) try: > resp = conn.urlopen( method=request.method, url=url, body=request.body, headers=request.headers, redirect=False, assert_same_host=False, preload_content=False, decode_content=False, retries=self.max_retries, timeout=timeout, chunked=chunked, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/adapters.py:667: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd0ed910> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-50bc673d/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "You are an expert in Kubernetes-native machine learning serving platforms,.... Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '416'} retries = Retry(total=7, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-50bc673d/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd0ed910> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-50bc673d/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "You are an expert in Kubernetes-native machine learning serving platforms,.... Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '416'} retries = Retry(total=6, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-50bc673d/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd0ed910> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-50bc673d/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "You are an expert in Kubernetes-native machine learning serving platforms,.... Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '416'} retries = Retry(total=5, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-50bc673d/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd0ed910> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-50bc673d/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "You are an expert in Kubernetes-native machine learning serving platforms,.... Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '416'} retries = Retry(total=4, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-50bc673d/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd0ed910> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-50bc673d/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "You are an expert in Kubernetes-native machine learning serving platforms,.... Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '416'} retries = Retry(total=3, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-50bc673d/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd0ed910> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-50bc673d/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "You are an expert in Kubernetes-native machine learning serving platforms,.... Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '416'} retries = Retry(total=2, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-50bc673d/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd0ed910> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-50bc673d/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "You are an expert in Kubernetes-native machine learning serving platforms,.... Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '416'} retries = Retry(total=1, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-50bc673d/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd0ed910> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-50bc673d/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "You are an expert in Kubernetes-native machine learning serving platforms,.... Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '416'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-50bc673d/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd0ed910> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-50bc673d/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "You are an expert in Kubernetes-native machine learning serving platforms,.... Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '416'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-50bc673d/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False, err = None, clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) > retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:841: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = Retry(total=0, connect=None, read=None, redirect=None, status=None) method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-50bc673d/v1/completions' response = None error = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") _pool = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd0ed910> _stacktrace = <traceback object at 0x7f76ddc22d40> def increment( self, method: str | None = None, url: str | None = None, response: BaseHTTPResponse | None = None, error: Exception | None = None, _pool: ConnectionPool | None = None, _stacktrace: TracebackType | None = None, ) -> Self: """Return a new Retry object with incremented retry counters. :param response: A response object, or None, if the server did not return a response. :type response: :class:`~urllib3.response.BaseHTTPResponse` :param Exception error: An error encountered during the request, or None if the response was received successfully. :return: A new ``Retry`` object. """ if self.total is False and error: # Disabled, indicate to re-raise the error. raise reraise(type(error), error, _stacktrace) total = self.total if total is not None: total -= 1 connect = self.connect read = self.read redirect = self.redirect status_count = self.status other = self.other cause = "unknown" status = None redirect_location = None if error and self._is_connection_error(error): # Connect retry? if connect is False: raise reraise(type(error), error, _stacktrace) elif connect is not None: connect -= 1 elif error and self._is_read_error(error): # Read retry? if read is False or method is None or not self._is_method_retryable(method): raise reraise(type(error), error, _stacktrace) elif read is not None: read -= 1 elif error: # Other retry? if other is not None: other -= 1 elif response and response.get_redirect_location(): # Redirect retry? if redirect is not None: redirect -= 1 cause = "too many redirects" response_redirect_location = response.get_redirect_location() if response_redirect_location: redirect_location = response_redirect_location status = response.status else: # Incrementing because of a server error like a 500 in # status_forcelist and the given method is in the allowed_methods cause = ResponseError.GENERIC_ERROR if response and response.status: if status_count is not None: status_count -= 1 cause = ResponseError.SPECIFIC_ERROR.format(status_code=response.status) status = response.status history = self.history + ( RequestHistory(method, url, error, status, redirect_location), ) new_retry = self.new( total=total, connect=connect, read=read, redirect=redirect, status=status_count, other=other, history=history, ) if new_retry.is_exhausted(): reason = error or ResponseError(cause) > raise MaxRetryError(_pool, url, reason) from reason # type: ignore[arg-type] E urllib3.exceptions.MaxRetryError: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Max retries exceeded with url: /kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-50bc673d/v1/completions (Caused by ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)")) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/util/retry.py:519: MaxRetryError During handling of the above exception, another exception occurred: def get_successful_response(): try: if test_case.url_getter: service_url = test_case.url_getter(kserve_client, test_case.llm_service) else: service_url = get_llm_service_url(kserve_client, test_case.llm_service) except Exception as e: raise AssertionError(f"❌ Failed to get service URL: {e}") from e model_url = service_url + test_case.endpoint headers = {"Content-Type": "application/json"} if extra_headers: headers.update(extra_headers) if test_case.payload_formatter is not None: test_payload = test_case.payload_formatter(test_case) elif test_case.prompt is not None: test_payload = { "model": test_case.model_name if not extra_headers or MODEL_ROUTING_HEADER not in extra_headers else extra_headers[MODEL_ROUTING_HEADER], "prompt": test_case.prompt, "max_tokens": test_case.max_tokens, } else: test_payload = None logger.info(f"Calling LLM service at {model_url} with payload {test_payload}") try: if test_payload is not None: > response = post_with_retry( model_url, headers=headers, json_data=test_payload, timeout=test_case.response_timeout, ) llmisvc/test_llm_inference_service.py:1095: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ url = 'http://a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-50bc673d/v1/completions' def post_with_retry( url: str, *, headers: Dict = None, json_data: Union[Dict, List] = None, data: Union[str, bytes] = None, stream: bool = False, timeout: float = None, total_retries: int = DEFAULT_RETRY_TOTAL, backoff_factor: float = DEFAULT_RETRY_BACKOFF_FACTOR, retry_status_codes=DEFAULT_RETRY_STATUS_CODES, ) -> requests.Response: """ Send POST request with retries for transient HTTP and network failures. """ if json_data is not None and data is not None: raise ValueError("Only one of json_data or data can be provided.") with _retry_session( ["POST"], total_retries, backoff_factor, retry_status_codes ) as session: > return session.post( url, json=json_data, data=data, headers=headers, stream=stream, timeout=timeout, ) common/http_retry.py:70: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.sessions.Session object at 0x7f76dd114cd0> url = 'http://a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-50bc673d/v1/completions' data = None json = {'max_tokens': 20, 'model': 'facebook/opt-125m', 'prompt': 'You are an expert in Kubernetes-native machine learning se...multi-model serving. Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.'} kwargs = {'headers': {'Content-Type': 'application/json'}, 'stream': False, 'timeout': 60} def post(self, url, data=None, json=None, **kwargs): r"""Sends a POST request. Returns :class:`Response` object. :param url: URL for the new :class:`Request` object. :param data: (optional) Dictionary, list of tuples, bytes, or file-like object to send in the body of the :class:`Request`. :param json: (optional) json to send in the body of the :class:`Request`. :param \*\*kwargs: Optional arguments that ``request`` takes. :rtype: requests.Response """ > return self.request("POST", url, data=data, json=json, **kwargs) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/sessions.py:637: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.sessions.Session object at 0x7f76dd114cd0>, method = 'POST' url = 'http://a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com/kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-50bc673d/v1/completions' params = None, data = None, headers = {'Content-Type': 'application/json'} cookies = None, files = None, auth = None, timeout = 60, allow_redirects = True proxies = {}, hooks = None, stream = False, verify = None, cert = None json = {'max_tokens': 20, 'model': 'facebook/opt-125m', 'prompt': 'You are an expert in Kubernetes-native machine learning se...multi-model serving. Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.'} def request( self, method, url, params=None, data=None, headers=None, cookies=None, files=None, auth=None, timeout=None, allow_redirects=True, proxies=None, hooks=None, stream=None, verify=None, cert=None, json=None, ): """Constructs a :class:`Request <Request>`, prepares it and sends it. Returns :class:`Response <Response>` object. :param method: method for the new :class:`Request` object. :param url: URL for the new :class:`Request` object. :param params: (optional) Dictionary or bytes to be sent in the query string for the :class:`Request`. :param data: (optional) Dictionary, list of tuples, bytes, or file-like object to send in the body of the :class:`Request`. :param json: (optional) json to send in the body of the :class:`Request`. :param headers: (optional) Dictionary of HTTP Headers to send with the :class:`Request`. :param cookies: (optional) Dict or CookieJar object to send with the :class:`Request`. :param files: (optional) Dictionary of ``'filename': file-like-objects`` for multipart encoding upload. :param auth: (optional) Auth tuple or callable to enable Basic/Digest/Custom HTTP Auth. :param timeout: (optional) How long to wait for the server to send data before giving up, as a float, or a :ref:`(connect timeout, read timeout) <timeouts>` tuple. :type timeout: float or tuple :param allow_redirects: (optional) Set to True by default. :type allow_redirects: bool :param proxies: (optional) Dictionary mapping protocol or protocol and hostname to the URL of the proxy. :param hooks: (optional) Dictionary mapping hook name to one event or list of events, event must be callable. :param stream: (optional) whether to immediately download the response content. Defaults to ``False``. :param verify: (optional) Either a boolean, in which case it controls whether we verify the server's TLS certificate, or a string, in which case it must be a path to a CA bundle to use. Defaults to ``True``. When set to ``False``, requests will accept any TLS certificate presented by the server, and will ignore hostname mismatches and/or expired certificates, which will make your application vulnerable to man-in-the-middle (MitM) attacks. Setting verify to ``False`` may be useful during local development or testing. :param cert: (optional) if String, path to ssl client cert file (.pem). If Tuple, ('cert', 'key') pair. :rtype: requests.Response """ # Create the Request. req = Request( method=method.upper(), url=url, headers=headers, files=files, data=data or {}, json=json, params=params or {}, auth=auth, cookies=cookies, hooks=hooks, ) prep = self.prepare_request(req) proxies = proxies or {} settings = self.merge_environment_settings( prep.url, proxies, stream, verify, cert ) # Send the request. send_kwargs = { "timeout": timeout, "allow_redirects": allow_redirects, } send_kwargs.update(settings) > resp = self.send(prep, **send_kwargs) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/sessions.py:589: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.sessions.Session object at 0x7f76dd114cd0> request = <PreparedRequest [POST]> kwargs = {'cert': None, 'proxies': OrderedDict(), 'stream': False, 'timeout': 60, ...} allow_redirects = True, stream = False, hooks = {'response': []} adapter = <requests.adapters.HTTPAdapter object at 0x7f76dcb920d0> start = 1783003680.938665 def send(self, request, **kwargs): """Send a given PreparedRequest. :rtype: requests.Response """ # Set defaults that the hooks can utilize to ensure they always have # the correct parameters to reproduce the previous request. kwargs.setdefault("stream", self.stream) kwargs.setdefault("verify", self.verify) kwargs.setdefault("cert", self.cert) if "proxies" not in kwargs: kwargs["proxies"] = resolve_proxies(request, self.proxies, self.trust_env) # It's possible that users might accidentally send a Request object. # Guard against that specific failure case. if isinstance(request, Request): raise ValueError("You can only send PreparedRequests.") # Set up variables needed for resolve_redirects and dispatching of hooks allow_redirects = kwargs.pop("allow_redirects", True) stream = kwargs.get("stream") hooks = request.hooks # Get the appropriate adapter to use adapter = self.get_adapter(url=request.url) # Start time (approximately) of the request start = preferred_clock() # Send the request > r = adapter.send(request, **kwargs) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/sessions.py:703: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.adapters.HTTPAdapter object at 0x7f76dcb920d0> request = <PreparedRequest [POST]>, stream = False timeout = Timeout(connect=60, read=60, total=None), verify = '/tmp/ca.crt' cert = None, proxies = OrderedDict() def send( self, request, stream=False, timeout=None, verify=True, cert=None, proxies=None ): """Sends PreparedRequest object. Returns Response object. :param request: The :class:`PreparedRequest <PreparedRequest>` being sent. :param stream: (optional) Whether to stream the request content. :param timeout: (optional) How long to wait for the server to send data before giving up, as a float, or a :ref:`(connect timeout, read timeout) <timeouts>` tuple. :type timeout: float or tuple or urllib3 Timeout object :param verify: (optional) Either a boolean, in which case it controls whether we verify the server's TLS certificate, or a string, in which case it must be a path to a CA bundle to use :param cert: (optional) Any user-provided SSL certificate to be trusted. :param proxies: (optional) The proxies dictionary to apply to the request. :rtype: requests.Response """ try: conn = self.get_connection_with_tls_context( request, verify, proxies=proxies, cert=cert ) except LocationValueError as e: raise InvalidURL(e, request=request) self.cert_verify(conn, request.url, verify, cert) url = self.request_url(request, proxies) self.add_headers( request, stream=stream, timeout=timeout, verify=verify, cert=cert, proxies=proxies, ) chunked = not (request.body is None or "Content-Length" in request.headers) if isinstance(timeout, tuple): try: connect, read = timeout timeout = TimeoutSauce(connect=connect, read=read) except ValueError: raise ValueError( f"Invalid timeout {timeout}. Pass a (connect, read) timeout tuple, " f"or a single float to set both timeouts to the same value." ) elif isinstance(timeout, TimeoutSauce): pass else: timeout = TimeoutSauce(connect=timeout, read=timeout) try: resp = conn.urlopen( method=request.method, url=url, body=request.body, headers=request.headers, redirect=False, assert_same_host=False, preload_content=False, decode_content=False, retries=self.max_retries, timeout=timeout, chunked=chunked, ) except (ProtocolError, OSError) as err: raise ConnectionError(err, request=request) except MaxRetryError as e: if isinstance(e.reason, ConnectTimeoutError): # TODO: Remove this in 3.0.0: see #2811 if not isinstance(e.reason, NewConnectionError): raise ConnectTimeout(e, request=request) if isinstance(e.reason, ResponseError): raise RetryError(e, request=request) if isinstance(e.reason, _ProxyError): raise ProxyError(e, request=request) if isinstance(e.reason, _SSLError): # This branch is for urllib3 v1.22 and later. raise SSLError(e, request=request) > raise ConnectionError(e, request=request) E requests.exceptions.ConnectionError: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Max retries exceeded with url: /kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-50bc673d/v1/completions (Caused by ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)")) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/adapters.py:700: ConnectionError The above exception was the direct cause of the following exception: test_case = TestCase(base_refs=['router-managed', 'workload-pd-cpu', 'model-fb-opt-125m'], prompt='You are an expert in Kubernetes... {'name': 'model-fb-opt-125m-llmisvc-model-bfc472ab'}]}, 'status': None}, model_name='facebook/opt-125m') @pytest.mark.llminferenceservice @pytest.mark.asyncio(loop_scope="session") @pytest.mark.parametrize( "test_case", [ pytest.param( TestCase( base_refs=[ "router-with-gateway-ref", "router-with-managed-route", "model-fb-opt-125m", "workload-llmd-simulator", ], endpoint="/v1/completions", prompt="KServe is a", payload_formatter=completions_payload, response_assertion=create_response_assertion(with_field="choices"), expected_gateway=ROUTER_GATEWAYS[0], before_test=[ lambda: create_router_resources( gateways=[ROUTER_GATEWAYS[0]], ) ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, pytest.mark.custom_gateway, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-fb-opt-125m", ], prompt="KServe is a", payload_formatter=completions_payload, response_assertion=assert_200_with_choices, ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-custom-route-timeout", "scheduler-managed", "workload-single-cpu", "model-fb-opt-125m", ], prompt="KServe is a", service_name="custom-route-timeout-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-with-refs", "scheduler-managed", "workload-single-cpu", "model-fb-opt-125m", ], prompt="KServe is a", service_name="router-with-refs-test", expected_gateway=ROUTER_GATEWAYS[0], before_test=[ lambda: create_router_resources( gateways=[ROUTER_GATEWAYS[0]], routes=[ROUTER_ROUTES[0], ROUTER_ROUTES[1]], ) ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.custom_gateway, ], ), pytest.param( TestCase( base_refs=["router-managed", "workload-pd-cpu", "model-fb-opt-125m"], prompt="You are an expert in Kubernetes-native machine learning serving platforms, with deep knowledge of the KServe project. " "Explain the challenges of serving large-scale models, GPU scheduling, and how KServe integrates with capabilities like multi-model serving. " "Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", response_assertion=assert_200_with_choices, ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-custom-route-timeout-pd", "scheduler-managed", "workload-pd-cpu", "model-fb-opt-125m", ], prompt="You are an expert in Kubernetes-native machine learning serving platforms, with deep knowledge of the KServe project. " "Explain the challenges of serving large-scale models, GPU scheduling, and how KServe integrates with capabilities like multi-model serving. " "Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", service_name="custom-route-timeout-pd-test", response_assertion=assert_200_with_choices, ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-with-refs-pd", "scheduler-managed", "workload-pd-cpu", "model-fb-opt-125m", ], prompt="You are an expert in Kubernetes-native machine learning serving platforms, with deep knowledge of the KServe project. " "Explain the challenges of serving large-scale models, GPU scheduling, and how KServe integrates with capabilities like multi-model serving. " "Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", service_name="router-with-refs-pd-test", response_assertion=assert_200_with_choices, expected_gateway=ROUTER_GATEWAYS[1], before_test=[ lambda: create_router_resources( gateways=[ROUTER_GATEWAYS[1]], routes=[ROUTER_ROUTES[2], ROUTER_ROUTES[3]], ) ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.custom_gateway, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-dp-ep-gpu", "workload-dp-ep-prefill-gpu", "model-deepseek-v2-lite", ], prompt="Delve into the multifaceted implications of a fully disaggregated cloud architecture, specifically " "where the compute plane (P) and the data plane (D) are independently deployed and managed for a " "geographically distributed, high-throughput, low-latency microservices ecosystem. Beyond the " "fundamental challenges of network latency and data consistency, elaborate on the advanced " "considerations and trade-offs inherent in such a setup: 1. Network Architecture and Protocols: " "How would the network fabric and underlying protocols (e.g., RDMA, custom transport layers) need to " "evolve to support optimal performance and minimize inter-plane communication overhead, especially for " "synchronous operations? Discuss the role of network programmability (e.g., SDN, P4) in dynamically " "optimizing routing and traffic flow between P and D. 2. Advanced Data Consistency and Durability: " "Explore sophisticated data consistency models (e.g., causal consistency, strong eventual consistency) " "and their applicability in balancing performance and data integrity across a globally distributed data plane. " "Detail strategies for ensuring data durability and fault tolerance, including multi-region replication, " "intelligent partitioning, and recovery mechanisms in the event of partial or full plane failures. " "3. Dynamic Resource Orchestration and Cost Optimization: Analyze how an orchestration layer would intelligently " "manage the independent scaling of compute (P) and data (D) resources, considering fluctuating workloads, " "cost efficiency, and performance targets (e.g., using predictive analytics for resource provisioning). " "Discuss mechanisms for dynamically reallocating compute nodes to different data partitions based on " "workload patterns and data locality, potentially involving live migration strategies. " "4. Security and Compliance in a Distributed Landscape: Address the enhanced security perimeter " "challenges, including securing communication channels between P and D (encryption in transit, mutual TLS), " "fine-grained access control to data at rest and in motion, and identity management across disaggregated " "components. Discuss how such an architecture impacts compliance with regulatory frameworks (e.g., GDPR, HIPAA) " "concerning data sovereignty, privacy, and auditability. 5. Operational Complexity and Observability: " "Examine the increased complexity in monitoring, logging, and tracing across highly decoupled compute and " "data planes. What specialized tooling and practices (e.g., distributed tracing with OpenTelemetry, advanced AIOps) " "would be essential? How would incident response and troubleshooting differ in this disaggregated environment " "compared to traditional integrated systems? Consider the challenges of pinpointing root causes across " "independent failures. 6. Real-world Applicability and Future Trends: Identify specific industries " "or use cases (e.g., high-frequency trading, IoT edge processing, large language model inference) " "where the benefits of P/D disaggregation would strongly outweigh its complexities. " "Conclude by speculating on emerging technologies or paradigms (e.g., serverless compute functions " "directly interacting with object storage, in-memory disaggregation) that could further drive or " "transform P/D disaggregation in cloud computing.", max_tokens=2000, ), marks=[ pytest.mark.cluster_gpu, pytest.mark.cluster_nvidia, pytest.mark.cluster_nvidia_roce, ], ), pytest.param( TestCase( base_refs=[ "router-no-scheduler", "workload-single-cpu", "model-fb-opt-125m", ], prompt="What is KServe?", ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.no_scheduler, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-simulated-dp-ep-cpu", "model-fb-opt-125m", ], prompt="This test simulates DP+EP that can run on CPU, the idea is to test the LWS-based deployment, " "but without the resources requirements for DP+EP (GPUs and ROCe/IB).", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_multi_node], ), # Scheduler config tests pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-inline-config", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-inline-config-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), # Chat completions endpoint coverage pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", "model-qwen2.5-0.5b", ], model_name="Qwen/Qwen2.5-0.5B-Instruct", endpoint="/v1/chat/completions", prompt="What is KServe?", payload_formatter=chat_completions_payload, response_assertion=create_response_assertion(with_field="choices"), ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-configmap-ref", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-configmap-ref-test", before_test=[create_scheduler_configmap], after_test=[delete_scheduler_configmap], ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-replicas", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-ha-replicas-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-custom-template", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-custom-template-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), # Scheduler v0.6 → v0.7 migration tests. # Deploy v0.6-style configs and verify the controller migrates them # so the v0.7 scheduler boots successfully. pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-v06-pd-config-migration", "workload-llmd-simulator-pd", ], prompt="KServe is a", service_name="scheduler-v06-pd-migration-test", response_assertion=assert_200_with_choices, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-v06-nonzero-threshold-migration", "workload-llmd-simulator-pd", ], prompt="KServe is a", service_name="scheduler-v06-threshold-migration-test", response_assertion=assert_200_with_choices, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), # Precise prefix KV cache routing test pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-precise-prefix-cache-inline-config", "workload-llmd-simulator-kvcache", ], prompt="KServe is a", service_name="precise-prefix-cache-test", ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), # Models endpoint coverage pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", ], endpoint="/v1/models", response_assertion=create_response_assertion(with_field="data"), ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), # Model-based routing via X-Gateway-Model-Name header — /v1/completions pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", ], endpoint="/v1/completions", prompt="KServe is a", payload_formatter=completions_payload, response_assertion=assert_model_field_matches("facebook/opt-125m"), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", }, peers=[ TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", "model-qwen2.5-0.5b", ], endpoint="/v1/completions", prompt="KServe is a", payload_formatter=completions_payload, response_assertion=assert_model_field_matches( "Qwen/Qwen2.5-0.5B-Instruct" ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/Qwen/Qwen2.5-0.5B-Instruct", }, ), ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, pytest.mark.model_routing, ], ), # Model-based routing via X-Gateway-Model-Name header — /v1/chat/completions pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", ], endpoint="/v1/chat/completions", prompt="What is KServe?", payload_formatter=chat_completions_payload, response_assertion=assert_model_field_matches("facebook/opt-125m"), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", }, peers=[ TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", "model-qwen2.5-0.5b", ], endpoint="/v1/chat/completions", prompt="What is KServe?", payload_formatter=chat_completions_payload, response_assertion=assert_model_field_matches( "Qwen/Qwen2.5-0.5B-Instruct" ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/Qwen/Qwen2.5-0.5B-Instruct", }, ), ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, pytest.mark.model_routing, ], ), # Model-based routing via X-Gateway-Model-Name header — LoRA adapter pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-fb-opt-125m-with-lora-hf", ], endpoint="/v1/completions", prompt="KServe is a", model_name=f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1", payload_formatter=completions_payload, response_assertion=assert_model_field_matches( f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1" ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1", }, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.model_routing, pytest.mark.lora, ], ), # Model-based routing via X-Gateway-Model-Name header — /v1/models (base + LoRA) pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-fb-opt-125m-with-lora-hf", ], endpoint="/v1/models", response_assertion=assert_models_contains( "facebook/opt-125m", f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", "lora-adapter-1", f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1", ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", }, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.model_routing, pytest.mark.lora, ], ), # PVC storage tests -- validate direct PVC volume mount with real vLLM serving pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-pvc", ], prompt="KServe is a", response_assertion=assert_200_with_choices, before_test=[ensure_pvc_with_model], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.pvc_storage, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-pd-cpu", "model-pvc", ], prompt="KServe is a", response_assertion=assert_200_with_choices, before_test=[ensure_pvc_with_model], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.pvc_storage, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-simulated-dp-ep-cpu", "model-pvc", ], prompt="KServe is a", before_test=[ensure_pvc_with_model], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_multi_node, pytest.mark.pvc_storage, ], ), ], indirect=["test_case"], ids=generate_test_id, ) @log_execution def test_llm_inference_service(test_case: TestCase): # noqa: F811 inject_k8s_proxy() kserve_client = KServeClient( config_file=os.environ.get("KUBECONFIG", "~/.kube/config"), client_configuration=client.Configuration(), ) service_name = test_case.llm_service.metadata.name if not test_case.llm_service.metadata.annotations: test_case.llm_service.metadata.annotations = {} test_case.llm_service.metadata.annotations[ "security.opendatahub.io/enable-auth" ] = "false" prefix = test_case.log_prefix test_failed = False try: print(f"{prefix} Creating LLMInferenceService {service_name}") create_llmisvc(kserve_client, test_case.llm_service) print(f"{prefix} Waiting for LLMInferenceService {service_name} to be ready") wait_for_llm_isvc_ready( kserve_client, test_case.llm_service, test_case.wait_timeout ) print(f"{prefix} Waiting for model response from {service_name}") > wait_for_model_response( kserve_client, test_case, test_case.wait_timeout, extra_headers=test_case.extra_headers, ) llmisvc/test_llm_inference_service.py:816: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ args = (<kserve.api.kserve_client.KServeClient object at 0x7f76ddb49bd0>, TestCase(base_refs=['router-managed', 'workload-pd-... {'name': 'model-fb-opt-125m-llmisvc-model-bfc472ab'}]}, 'status': None}, model_name='facebook/opt-125m'), 900) kwargs = {'extra_headers': None}, func_name = 'wait_for_model_response' timestamp_start = '2026-07-02T14:48:00.929845', start_time = 1783003680.9301796 duration = 904.7461175918579, timestamp_end = '2026-07-02T15:03:05.676301' @functools.wraps(func) def wrapper(*args, **kwargs): func_name = func.__name__ timestamp_start = datetime.now().isoformat() logger.info( f"[{func_name}] [{timestamp_start}] start - args={args}, kwargs={kwargs}" ) start_time = time.time() try: > result = func(*args, **kwargs) llmisvc/logging.py:40: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ kserve_client = <kserve.api.kserve_client.KServeClient object at 0x7f76ddb49bd0> test_case = TestCase(base_refs=['router-managed', 'workload-pd-cpu', 'model-fb-opt-125m'], prompt='You are an expert in Kubernetes... {'name': 'model-fb-opt-125m-llmisvc-model-bfc472ab'}]}, 'status': None}, model_name='facebook/opt-125m') timeout_seconds = 900, extra_headers = None @log_execution def wait_for_model_response( kserve_client: KServeClient, test_case: TestCase, # noqa: F811 timeout_seconds: int = 900, extra_headers: Optional[Dict[str, str]] = None, ) -> str: def get_successful_response(): try: if test_case.url_getter: service_url = test_case.url_getter(kserve_client, test_case.llm_service) else: service_url = get_llm_service_url(kserve_client, test_case.llm_service) except Exception as e: raise AssertionError(f"❌ Failed to get service URL: {e}") from e model_url = service_url + test_case.endpoint headers = {"Content-Type": "application/json"} if extra_headers: headers.update(extra_headers) if test_case.payload_formatter is not None: test_payload = test_case.payload_formatter(test_case) elif test_case.prompt is not None: test_payload = { "model": test_case.model_name if not extra_headers or MODEL_ROUTING_HEADER not in extra_headers else extra_headers[MODEL_ROUTING_HEADER], "prompt": test_case.prompt, "max_tokens": test_case.max_tokens, } else: test_payload = None logger.info(f"Calling LLM service at {model_url} with payload {test_payload}") try: if test_payload is not None: response = post_with_retry( model_url, headers=headers, json_data=test_payload, timeout=test_case.response_timeout, ) else: response = get_with_retry( model_url, headers=headers, timeout=test_case.response_timeout, ) except Exception as e: logger.error(f"❌ Failed to call model: {e}") raise AssertionError(f"❌ Failed to call model: {e}") from e logger.info(f"Model response is {response.status_code}: {response.text[:500]}") if 200 <= response.status_code < 300: return response raise AssertionError( f"Service returned {response.status_code}: {response.text}" ) > response = wait_for(get_successful_response, timeout=timeout_seconds, interval=5.0) llmisvc/test_llm_inference_service.py:1119: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ assertion_fn = <function wait_for_model_response.<locals>.get_successful_response at 0x7f76dd8bb740> timeout = 900, interval = 5.0 def wait_for( assertion_fn: Callable[[], Any], timeout: float = 5.0, interval: float = 0.1 ) -> Any: """Wait for the assertion to succeed within timeout.""" deadline = time.time() + timeout last_msg = None while True: try: > return assertion_fn() llmisvc/test_llm_inference_service.py:1215: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ def get_successful_response(): try: if test_case.url_getter: service_url = test_case.url_getter(kserve_client, test_case.llm_service) else: service_url = get_llm_service_url(kserve_client, test_case.llm_service) except Exception as e: raise AssertionError(f"❌ Failed to get service URL: {e}") from e model_url = service_url + test_case.endpoint headers = {"Content-Type": "application/json"} if extra_headers: headers.update(extra_headers) if test_case.payload_formatter is not None: test_payload = test_case.payload_formatter(test_case) elif test_case.prompt is not None: test_payload = { "model": test_case.model_name if not extra_headers or MODEL_ROUTING_HEADER not in extra_headers else extra_headers[MODEL_ROUTING_HEADER], "prompt": test_case.prompt, "max_tokens": test_case.max_tokens, } else: test_payload = None logger.info(f"Calling LLM service at {model_url} with payload {test_payload}") try: if test_payload is not None: response = post_with_retry( model_url, headers=headers, json_data=test_payload, timeout=test_case.response_timeout, ) else: response = get_with_retry( model_url, headers=headers, timeout=test_case.response_timeout, ) except Exception as e: logger.error(f"❌ Failed to call model: {e}") > raise AssertionError(f"❌ Failed to call model: {e}") from e E AssertionError: ❌ Failed to call model: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Max retries exceeded with url: /kserve-ci-e2e-test/llmisvc-model-fb-opt-125m-route-50bc673d/v1/completions (Caused by ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)")) llmisvc/test_llm_inference_service.py:1109: AssertionErrorself = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f2813f3f050> conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f28134990d0> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-e8706282/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) timeout = Timeout(connect=60, read=60, total=None), chunked = False response_conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f28134990d0> preload_content = False, decode_content = False, enforce_content_length = True def _make_request( self, conn: BaseHTTPConnection, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | None = None, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, chunked: bool = False, response_conn: BaseHTTPConnection | None = None, preload_content: bool = True, decode_content: bool = True, enforce_content_length: bool = True, ) -> BaseHTTPResponse: """ Perform a request on a given urllib connection object taken from our pool. :param conn: a connection from one of our connection pools :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. Pass ``None`` to retry until you receive a response. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param response_conn: Set this to ``None`` if you will handle releasing the connection or set the connection to have the response release it. :param preload_content: If True, the response's body will be preloaded during construction. :param decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param enforce_content_length: Enforce content length checking. Body returned by server must match value of Content-Length header, if present. Otherwise, raise error. """ self.num_requests += 1 timeout_obj = self._get_timeout(timeout) timeout_obj.start_connect() conn.timeout = Timeout.resolve_default_timeout(timeout_obj.connect_timeout) try: # Trigger any extra validation we need to do. try: self._validate_conn(conn) except (SocketTimeout, BaseSSLError) as e: self._raise_timeout(err=e, url=url, timeout_value=conn.timeout) raise # _validate_conn() starts the connection to an HTTPS proxy # so we need to wrap errors with 'ProxyError' here too. except ( OSError, NewConnectionError, TimeoutError, BaseSSLError, CertificateError, SSLError, ) as e: new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) # If the connection didn't successfully connect to it's proxy # then there if isinstance( new_e, (OSError, NewConnectionError, TimeoutError, SSLError) ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) raise new_e # conn.request() calls http.client.*.request, not the method in # urllib3.request. It also calls makefile (recv) on the socket. try: conn.request( method, url, body=body, headers=headers, chunked=chunked, preload_content=preload_content, decode_content=decode_content, enforce_content_length=enforce_content_length, ) # We are swallowing BrokenPipeError (errno.EPIPE) since the server is # legitimately able to close the connection after sending a valid response. # With this behaviour, the received response is still readable. except BrokenPipeError: pass except OSError as e: # MacOS/Linux # EPROTOTYPE and ECONNRESET are needed on macOS # https://erickt.github.io/blog/2014/11/19/adventures-in-debugging-a-potential-osx-kernel-bug/ # Condition changed later to emit ECONNRESET instead of only EPROTOTYPE. if e.errno != errno.EPROTOTYPE and e.errno != errno.ECONNRESET: raise # Reset the timeout for the recv() on the socket read_timeout = timeout_obj.read_timeout if not conn.is_closed: # In Python 3 socket.py will catch EAGAIN and return None when you # try and read into the file pointer created by http.client, which # instead raises a BadStatusLine exception. Instead of catching # the exception and assuming all BadStatusLine exceptions are read # timeouts, check for a zero timeout before making the request. if read_timeout == 0: raise ReadTimeoutError( self, url, f"Read timed out. (read timeout={read_timeout})" ) conn.timeout = read_timeout # Receive the response from the server try: > response = conn.getresponse() ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:534: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f28134990d0> def getresponse( # type: ignore[override] self, ) -> HTTPResponse: """ Get the response from the server. If the HTTPConnection is in the correct state, returns an instance of HTTPResponse or of whatever object is returned by the response_class variable. If a request has not been sent or if a previous response has not be handled, ResponseNotReady is raised. If the HTTP response indicates that the connection should be closed, then it will be closed before the response is returned. When the connection is closed, the underlying socket is closed. """ # Raise the same error as http.client.HTTPConnection if self._response_options is None: raise ResponseNotReady() # Reset this attribute for being used again. resp_options = self._response_options self._response_options = None # Since the connection's timeout value may have been updated # we need to set the timeout on the socket. self.sock.settimeout(self.timeout) # This is needed here to avoid circular import errors from .response import HTTPResponse # Save a reference to the shutdown function before ownership is passed # to httplib_response # TODO should we implement it everywhere? _shutdown = getattr(self.sock, "shutdown", None) # Get the response from http.client.HTTPConnection > httplib_response = super().getresponse() ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connection.py:571: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f28134990d0> def getresponse(self): """Get the response from the server. If the HTTPConnection is in the correct state, returns an instance of HTTPResponse or of whatever object is returned by the response_class variable. If a request has not been sent or if a previous response has not be handled, ResponseNotReady is raised. If the HTTP response indicates that the connection should be closed, then it will be closed before the response is returned. When the connection is closed, the underlying socket is closed. """ # if a prior response has been completed, then forget about it. if self.__response and self.__response.isclosed(): self.__response = None # if a prior response exists, then it must be completed (otherwise, we # cannot read this response's header to determine the connection-close # behavior) # # note: if a prior response existed, but was connection-close, then the # socket and response were made independent of this HTTPConnection # object since a new request requires that we open a whole new # connection # # this means the prior response had one of two states: # 1) will_close: this connection was reset and the prior socket and # response operate independently # 2) persistent: the response was retained and we await its # isclosed() status to become true. # if self.__state != _CS_REQ_SENT or self.__response: raise ResponseNotReady(self.__state) if self.debuglevel > 0: response = self.response_class(self.sock, self.debuglevel, method=self._method) else: response = self.response_class(self.sock, method=self._method) try: try: > response.begin() /usr/lib64/python3.11/http/client.py:1395: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <http.client.HTTPResponse object at 0x7f281334ee00> def begin(self): if self.headers is not None: # we've already started reading the response return # read until we get a non-100 response while True: > version, status, reason = self._read_status() /usr/lib64/python3.11/http/client.py:325: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <http.client.HTTPResponse object at 0x7f281334ee00> def _read_status(self): > line = str(self.fp.readline(_MAXLINE + 1), "iso-8859-1") /usr/lib64/python3.11/http/client.py:286: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <socket.SocketIO object at 0x7f281334eb90> b = <memory at 0x7f2813c8dcc0> def readinto(self, b): """Read up to len(b) bytes into the writable buffer *b* and return the number of bytes read. If the socket is non-blocking and no bytes are available, None is returned. If *b* is non-empty, a 0 return value indicates that the connection was shutdown at the other end. """ self._checkClosed() self._checkReadable() if self._timeout_occurred: raise OSError("cannot read from timed out object") while True: try: > return self._sock.recv_into(b) E TimeoutError: timed out /usr/lib64/python3.11/socket.py:718: TimeoutError The above exception was the direct cause of the following exception: self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f2813f3f050> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-e8706282/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-e8706282/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False, err = None, clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object > response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:787: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f2813f3f050> conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f28134990d0> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-e8706282/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) timeout = Timeout(connect=60, read=60, total=None), chunked = False response_conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f28134990d0> preload_content = False, decode_content = False, enforce_content_length = True def _make_request( self, conn: BaseHTTPConnection, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | None = None, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, chunked: bool = False, response_conn: BaseHTTPConnection | None = None, preload_content: bool = True, decode_content: bool = True, enforce_content_length: bool = True, ) -> BaseHTTPResponse: """ Perform a request on a given urllib connection object taken from our pool. :param conn: a connection from one of our connection pools :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. Pass ``None`` to retry until you receive a response. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param response_conn: Set this to ``None`` if you will handle releasing the connection or set the connection to have the response release it. :param preload_content: If True, the response's body will be preloaded during construction. :param decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param enforce_content_length: Enforce content length checking. Body returned by server must match value of Content-Length header, if present. Otherwise, raise error. """ self.num_requests += 1 timeout_obj = self._get_timeout(timeout) timeout_obj.start_connect() conn.timeout = Timeout.resolve_default_timeout(timeout_obj.connect_timeout) try: # Trigger any extra validation we need to do. try: self._validate_conn(conn) except (SocketTimeout, BaseSSLError) as e: self._raise_timeout(err=e, url=url, timeout_value=conn.timeout) raise # _validate_conn() starts the connection to an HTTPS proxy # so we need to wrap errors with 'ProxyError' here too. except ( OSError, NewConnectionError, TimeoutError, BaseSSLError, CertificateError, SSLError, ) as e: new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) # If the connection didn't successfully connect to it's proxy # then there if isinstance( new_e, (OSError, NewConnectionError, TimeoutError, SSLError) ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) raise new_e # conn.request() calls http.client.*.request, not the method in # urllib3.request. It also calls makefile (recv) on the socket. try: conn.request( method, url, body=body, headers=headers, chunked=chunked, preload_content=preload_content, decode_content=decode_content, enforce_content_length=enforce_content_length, ) # We are swallowing BrokenPipeError (errno.EPIPE) since the server is # legitimately able to close the connection after sending a valid response. # With this behaviour, the received response is still readable. except BrokenPipeError: pass except OSError as e: # MacOS/Linux # EPROTOTYPE and ECONNRESET are needed on macOS # https://erickt.github.io/blog/2014/11/19/adventures-in-debugging-a-potential-osx-kernel-bug/ # Condition changed later to emit ECONNRESET instead of only EPROTOTYPE. if e.errno != errno.EPROTOTYPE and e.errno != errno.ECONNRESET: raise # Reset the timeout for the recv() on the socket read_timeout = timeout_obj.read_timeout if not conn.is_closed: # In Python 3 socket.py will catch EAGAIN and return None when you # try and read into the file pointer created by http.client, which # instead raises a BadStatusLine exception. Instead of catching # the exception and assuming all BadStatusLine exceptions are read # timeouts, check for a zero timeout before making the request. if read_timeout == 0: raise ReadTimeoutError( self, url, f"Read timed out. (read timeout={read_timeout})" ) conn.timeout = read_timeout # Receive the response from the server try: response = conn.getresponse() except (BaseSSLError, OSError) as e: > self._raise_timeout(err=e, url=url, timeout_value=read_timeout) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:536: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f2813f3f050> err = TimeoutError('timed out') url = '/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-e8706282/v1/completions' timeout_value = 60 def _raise_timeout( self, err: BaseSSLError | OSError | SocketTimeout, url: str, timeout_value: _TYPE_TIMEOUT | None, ) -> None: """Is the error actually a timeout? Will raise a ReadTimeout or pass""" if isinstance(err, SocketTimeout): > raise ReadTimeoutError( self, url, f"Read timed out. (read timeout={timeout_value})" ) from err E urllib3.exceptions.ReadTimeoutError: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:367: ReadTimeoutError The above exception was the direct cause of the following exception: self = <requests.adapters.HTTPAdapter object at 0x7f2814087a90> request = <PreparedRequest [POST]>, stream = False timeout = Timeout(connect=60, read=60, total=None), verify = '/tmp/ca.crt' cert = None, proxies = OrderedDict() def send( self, request, stream=False, timeout=None, verify=True, cert=None, proxies=None ): """Sends PreparedRequest object. Returns Response object. :param request: The :class:`PreparedRequest <PreparedRequest>` being sent. :param stream: (optional) Whether to stream the request content. :param timeout: (optional) How long to wait for the server to send data before giving up, as a float, or a :ref:`(connect timeout, read timeout) <timeouts>` tuple. :type timeout: float or tuple or urllib3 Timeout object :param verify: (optional) Either a boolean, in which case it controls whether we verify the server's TLS certificate, or a string, in which case it must be a path to a CA bundle to use :param cert: (optional) Any user-provided SSL certificate to be trusted. :param proxies: (optional) The proxies dictionary to apply to the request. :rtype: requests.Response """ try: conn = self.get_connection_with_tls_context( request, verify, proxies=proxies, cert=cert ) except LocationValueError as e: raise InvalidURL(e, request=request) self.cert_verify(conn, request.url, verify, cert) url = self.request_url(request, proxies) self.add_headers( request, stream=stream, timeout=timeout, verify=verify, cert=cert, proxies=proxies, ) chunked = not (request.body is None or "Content-Length" in request.headers) if isinstance(timeout, tuple): try: connect, read = timeout timeout = TimeoutSauce(connect=connect, read=read) except ValueError: raise ValueError( f"Invalid timeout {timeout}. Pass a (connect, read) timeout tuple, " f"or a single float to set both timeouts to the same value." ) elif isinstance(timeout, TimeoutSauce): pass else: timeout = TimeoutSauce(connect=timeout, read=timeout) try: > resp = conn.urlopen( method=request.method, url=url, body=request.body, headers=request.headers, redirect=False, assert_same_host=False, preload_content=False, decode_content=False, retries=self.max_retries, timeout=timeout, chunked=chunked, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/adapters.py:667: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f2813f3f050> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-e8706282/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=7, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-e8706282/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f2813f3f050> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-e8706282/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=6, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-e8706282/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = RemoteDisconnected('Remote end closed connection without response') clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f2813f3f050> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-e8706282/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=5, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-e8706282/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f2813f3f050> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-e8706282/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=4, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-e8706282/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f2813f3f050> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-e8706282/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=3, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-e8706282/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f2813f3f050> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-e8706282/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=2, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-e8706282/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f2813f3f050> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-e8706282/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=1, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-e8706282/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f2813f3f050> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-e8706282/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-e8706282/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f2813f3f050> method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-e8706282/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "KServe is a", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '73'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-e8706282/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False, err = None, clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) > retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:841: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = Retry(total=0, connect=None, read=None, redirect=None, status=None) method = 'POST' url = '/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-e8706282/v1/completions' response = None error = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") _pool = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f2813f3f050> _stacktrace = <traceback object at 0x7f2813499540> def increment( self, method: str | None = None, url: str | None = None, response: BaseHTTPResponse | None = None, error: Exception | None = None, _pool: ConnectionPool | None = None, _stacktrace: TracebackType | None = None, ) -> Self: """Return a new Retry object with incremented retry counters. :param response: A response object, or None, if the server did not return a response. :type response: :class:`~urllib3.response.BaseHTTPResponse` :param Exception error: An error encountered during the request, or None if the response was received successfully. :return: A new ``Retry`` object. """ if self.total is False and error: # Disabled, indicate to re-raise the error. raise reraise(type(error), error, _stacktrace) total = self.total if total is not None: total -= 1 connect = self.connect read = self.read redirect = self.redirect status_count = self.status other = self.other cause = "unknown" status = None redirect_location = None if error and self._is_connection_error(error): # Connect retry? if connect is False: raise reraise(type(error), error, _stacktrace) elif connect is not None: connect -= 1 elif error and self._is_read_error(error): # Read retry? if read is False or method is None or not self._is_method_retryable(method): raise reraise(type(error), error, _stacktrace) elif read is not None: read -= 1 elif error: # Other retry? if other is not None: other -= 1 elif response and response.get_redirect_location(): # Redirect retry? if redirect is not None: redirect -= 1 cause = "too many redirects" response_redirect_location = response.get_redirect_location() if response_redirect_location: redirect_location = response_redirect_location status = response.status else: # Incrementing because of a server error like a 500 in # status_forcelist and the given method is in the allowed_methods cause = ResponseError.GENERIC_ERROR if response and response.status: if status_count is not None: status_count -= 1 cause = ResponseError.SPECIFIC_ERROR.format(status_code=response.status) status = response.status history = self.history + ( RequestHistory(method, url, error, status, redirect_location), ) new_retry = self.new( total=total, connect=connect, read=read, redirect=redirect, status=status_count, other=other, history=history, ) if new_retry.is_exhausted(): reason = error or ResponseError(cause) > raise MaxRetryError(_pool, url, reason) from reason # type: ignore[arg-type] E urllib3.exceptions.MaxRetryError: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Max retries exceeded with url: /kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-e8706282/v1/completions (Caused by ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)")) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/util/retry.py:519: MaxRetryError During handling of the above exception, another exception occurred: def get_successful_response(): try: if test_case.url_getter: service_url = test_case.url_getter(kserve_client, test_case.llm_service) else: service_url = get_llm_service_url(kserve_client, test_case.llm_service) except Exception as e: raise AssertionError(f"❌ Failed to get service URL: {e}") from e model_url = service_url + test_case.endpoint headers = {"Content-Type": "application/json"} if extra_headers: headers.update(extra_headers) if test_case.payload_formatter is not None: test_payload = test_case.payload_formatter(test_case) elif test_case.prompt is not None: test_payload = { "model": test_case.model_name if not extra_headers or MODEL_ROUTING_HEADER not in extra_headers else extra_headers[MODEL_ROUTING_HEADER], "prompt": test_case.prompt, "max_tokens": test_case.max_tokens, } else: test_payload = None logger.info(f"Calling LLM service at {model_url} with payload {test_payload}") try: if test_payload is not None: > response = post_with_retry( model_url, headers=headers, json_data=test_payload, timeout=test_case.response_timeout, ) llmisvc/test_llm_inference_service.py:1095: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ url = 'http://a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-e8706282/v1/completions' def post_with_retry( url: str, *, headers: Dict = None, json_data: Union[Dict, List] = None, data: Union[str, bytes] = None, stream: bool = False, timeout: float = None, total_retries: int = DEFAULT_RETRY_TOTAL, backoff_factor: float = DEFAULT_RETRY_BACKOFF_FACTOR, retry_status_codes=DEFAULT_RETRY_STATUS_CODES, ) -> requests.Response: """ Send POST request with retries for transient HTTP and network failures. """ if json_data is not None and data is not None: raise ValueError("Only one of json_data or data can be provided.") with _retry_session( ["POST"], total_retries, backoff_factor, retry_status_codes ) as session: > return session.post( url, json=json_data, data=data, headers=headers, stream=stream, timeout=timeout, ) common/http_retry.py:70: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.sessions.Session object at 0x7f2813c8b3d0> url = 'http://a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-e8706282/v1/completions' data = None json = {'max_tokens': 20, 'model': 'facebook/opt-125m', 'prompt': 'KServe is a'} kwargs = {'headers': {'Content-Type': 'application/json'}, 'stream': False, 'timeout': 60} def post(self, url, data=None, json=None, **kwargs): r"""Sends a POST request. Returns :class:`Response` object. :param url: URL for the new :class:`Request` object. :param data: (optional) Dictionary, list of tuples, bytes, or file-like object to send in the body of the :class:`Request`. :param json: (optional) json to send in the body of the :class:`Request`. :param \*\*kwargs: Optional arguments that ``request`` takes. :rtype: requests.Response """ > return self.request("POST", url, data=data, json=json, **kwargs) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/sessions.py:637: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.sessions.Session object at 0x7f2813c8b3d0>, method = 'POST' url = 'http://a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com/kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-e8706282/v1/completions' params = None, data = None, headers = {'Content-Type': 'application/json'} cookies = None, files = None, auth = None, timeout = 60, allow_redirects = True proxies = {}, hooks = None, stream = False, verify = None, cert = None json = {'max_tokens': 20, 'model': 'facebook/opt-125m', 'prompt': 'KServe is a'} def request( self, method, url, params=None, data=None, headers=None, cookies=None, files=None, auth=None, timeout=None, allow_redirects=True, proxies=None, hooks=None, stream=None, verify=None, cert=None, json=None, ): """Constructs a :class:`Request <Request>`, prepares it and sends it. Returns :class:`Response <Response>` object. :param method: method for the new :class:`Request` object. :param url: URL for the new :class:`Request` object. :param params: (optional) Dictionary or bytes to be sent in the query string for the :class:`Request`. :param data: (optional) Dictionary, list of tuples, bytes, or file-like object to send in the body of the :class:`Request`. :param json: (optional) json to send in the body of the :class:`Request`. :param headers: (optional) Dictionary of HTTP Headers to send with the :class:`Request`. :param cookies: (optional) Dict or CookieJar object to send with the :class:`Request`. :param files: (optional) Dictionary of ``'filename': file-like-objects`` for multipart encoding upload. :param auth: (optional) Auth tuple or callable to enable Basic/Digest/Custom HTTP Auth. :param timeout: (optional) How long to wait for the server to send data before giving up, as a float, or a :ref:`(connect timeout, read timeout) <timeouts>` tuple. :type timeout: float or tuple :param allow_redirects: (optional) Set to True by default. :type allow_redirects: bool :param proxies: (optional) Dictionary mapping protocol or protocol and hostname to the URL of the proxy. :param hooks: (optional) Dictionary mapping hook name to one event or list of events, event must be callable. :param stream: (optional) whether to immediately download the response content. Defaults to ``False``. :param verify: (optional) Either a boolean, in which case it controls whether we verify the server's TLS certificate, or a string, in which case it must be a path to a CA bundle to use. Defaults to ``True``. When set to ``False``, requests will accept any TLS certificate presented by the server, and will ignore hostname mismatches and/or expired certificates, which will make your application vulnerable to man-in-the-middle (MitM) attacks. Setting verify to ``False`` may be useful during local development or testing. :param cert: (optional) if String, path to ssl client cert file (.pem). If Tuple, ('cert', 'key') pair. :rtype: requests.Response """ # Create the Request. req = Request( method=method.upper(), url=url, headers=headers, files=files, data=data or {}, json=json, params=params or {}, auth=auth, cookies=cookies, hooks=hooks, ) prep = self.prepare_request(req) proxies = proxies or {} settings = self.merge_environment_settings( prep.url, proxies, stream, verify, cert ) # Send the request. send_kwargs = { "timeout": timeout, "allow_redirects": allow_redirects, } send_kwargs.update(settings) > resp = self.send(prep, **send_kwargs) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/sessions.py:589: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.sessions.Session object at 0x7f2813c8b3d0> request = <PreparedRequest [POST]> kwargs = {'cert': None, 'proxies': OrderedDict(), 'stream': False, 'timeout': 60, ...} allow_redirects = True, stream = False, hooks = {'response': []} adapter = <requests.adapters.HTTPAdapter object at 0x7f2814087a90> start = 1783004392.1846223 def send(self, request, **kwargs): """Send a given PreparedRequest. :rtype: requests.Response """ # Set defaults that the hooks can utilize to ensure they always have # the correct parameters to reproduce the previous request. kwargs.setdefault("stream", self.stream) kwargs.setdefault("verify", self.verify) kwargs.setdefault("cert", self.cert) if "proxies" not in kwargs: kwargs["proxies"] = resolve_proxies(request, self.proxies, self.trust_env) # It's possible that users might accidentally send a Request object. # Guard against that specific failure case. if isinstance(request, Request): raise ValueError("You can only send PreparedRequests.") # Set up variables needed for resolve_redirects and dispatching of hooks allow_redirects = kwargs.pop("allow_redirects", True) stream = kwargs.get("stream") hooks = request.hooks # Get the appropriate adapter to use adapter = self.get_adapter(url=request.url) # Start time (approximately) of the request start = preferred_clock() # Send the request > r = adapter.send(request, **kwargs) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/sessions.py:703: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.adapters.HTTPAdapter object at 0x7f2814087a90> request = <PreparedRequest [POST]>, stream = False timeout = Timeout(connect=60, read=60, total=None), verify = '/tmp/ca.crt' cert = None, proxies = OrderedDict() def send( self, request, stream=False, timeout=None, verify=True, cert=None, proxies=None ): """Sends PreparedRequest object. Returns Response object. :param request: The :class:`PreparedRequest <PreparedRequest>` being sent. :param stream: (optional) Whether to stream the request content. :param timeout: (optional) How long to wait for the server to send data before giving up, as a float, or a :ref:`(connect timeout, read timeout) <timeouts>` tuple. :type timeout: float or tuple or urllib3 Timeout object :param verify: (optional) Either a boolean, in which case it controls whether we verify the server's TLS certificate, or a string, in which case it must be a path to a CA bundle to use :param cert: (optional) Any user-provided SSL certificate to be trusted. :param proxies: (optional) The proxies dictionary to apply to the request. :rtype: requests.Response """ try: conn = self.get_connection_with_tls_context( request, verify, proxies=proxies, cert=cert ) except LocationValueError as e: raise InvalidURL(e, request=request) self.cert_verify(conn, request.url, verify, cert) url = self.request_url(request, proxies) self.add_headers( request, stream=stream, timeout=timeout, verify=verify, cert=cert, proxies=proxies, ) chunked = not (request.body is None or "Content-Length" in request.headers) if isinstance(timeout, tuple): try: connect, read = timeout timeout = TimeoutSauce(connect=connect, read=read) except ValueError: raise ValueError( f"Invalid timeout {timeout}. Pass a (connect, read) timeout tuple, " f"or a single float to set both timeouts to the same value." ) elif isinstance(timeout, TimeoutSauce): pass else: timeout = TimeoutSauce(connect=timeout, read=timeout) try: resp = conn.urlopen( method=request.method, url=url, body=request.body, headers=request.headers, redirect=False, assert_same_host=False, preload_content=False, decode_content=False, retries=self.max_retries, timeout=timeout, chunked=chunked, ) except (ProtocolError, OSError) as err: raise ConnectionError(err, request=request) except MaxRetryError as e: if isinstance(e.reason, ConnectTimeoutError): # TODO: Remove this in 3.0.0: see #2811 if not isinstance(e.reason, NewConnectionError): raise ConnectTimeout(e, request=request) if isinstance(e.reason, ResponseError): raise RetryError(e, request=request) if isinstance(e.reason, _ProxyError): raise ProxyError(e, request=request) if isinstance(e.reason, _SSLError): # This branch is for urllib3 v1.22 and later. raise SSLError(e, request=request) > raise ConnectionError(e, request=request) E requests.exceptions.ConnectionError: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Max retries exceeded with url: /kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-e8706282/v1/completions (Caused by ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)")) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/adapters.py:700: ConnectionError The above exception was the direct cause of the following exception: test_case = TestCase(base_refs=['router-managed', 'workload-pd-cpu', 'model-pvc'], prompt='KServe is a', service_name='llmisvc-mod... {'name': 'model-pvc-llmisvc-model-pvc-rou-49c1f027'}]}, 'status': None}, model_name='facebook/opt-125m') @pytest.mark.llminferenceservice @pytest.mark.asyncio(loop_scope="session") @pytest.mark.parametrize( "test_case", [ pytest.param( TestCase( base_refs=[ "router-with-gateway-ref", "router-with-managed-route", "model-fb-opt-125m", "workload-llmd-simulator", ], endpoint="/v1/completions", prompt="KServe is a", payload_formatter=completions_payload, response_assertion=create_response_assertion(with_field="choices"), expected_gateway=ROUTER_GATEWAYS[0], before_test=[ lambda: create_router_resources( gateways=[ROUTER_GATEWAYS[0]], ) ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, pytest.mark.custom_gateway, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-fb-opt-125m", ], prompt="KServe is a", payload_formatter=completions_payload, response_assertion=assert_200_with_choices, ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-custom-route-timeout", "scheduler-managed", "workload-single-cpu", "model-fb-opt-125m", ], prompt="KServe is a", service_name="custom-route-timeout-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-with-refs", "scheduler-managed", "workload-single-cpu", "model-fb-opt-125m", ], prompt="KServe is a", service_name="router-with-refs-test", expected_gateway=ROUTER_GATEWAYS[0], before_test=[ lambda: create_router_resources( gateways=[ROUTER_GATEWAYS[0]], routes=[ROUTER_ROUTES[0], ROUTER_ROUTES[1]], ) ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.custom_gateway, ], ), pytest.param( TestCase( base_refs=["router-managed", "workload-pd-cpu", "model-fb-opt-125m"], prompt="You are an expert in Kubernetes-native machine learning serving platforms, with deep knowledge of the KServe project. " "Explain the challenges of serving large-scale models, GPU scheduling, and how KServe integrates with capabilities like multi-model serving. " "Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", response_assertion=assert_200_with_choices, ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-custom-route-timeout-pd", "scheduler-managed", "workload-pd-cpu", "model-fb-opt-125m", ], prompt="You are an expert in Kubernetes-native machine learning serving platforms, with deep knowledge of the KServe project. " "Explain the challenges of serving large-scale models, GPU scheduling, and how KServe integrates with capabilities like multi-model serving. " "Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", service_name="custom-route-timeout-pd-test", response_assertion=assert_200_with_choices, ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-with-refs-pd", "scheduler-managed", "workload-pd-cpu", "model-fb-opt-125m", ], prompt="You are an expert in Kubernetes-native machine learning serving platforms, with deep knowledge of the KServe project. " "Explain the challenges of serving large-scale models, GPU scheduling, and how KServe integrates with capabilities like multi-model serving. " "Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", service_name="router-with-refs-pd-test", response_assertion=assert_200_with_choices, expected_gateway=ROUTER_GATEWAYS[1], before_test=[ lambda: create_router_resources( gateways=[ROUTER_GATEWAYS[1]], routes=[ROUTER_ROUTES[2], ROUTER_ROUTES[3]], ) ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.custom_gateway, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-dp-ep-gpu", "workload-dp-ep-prefill-gpu", "model-deepseek-v2-lite", ], prompt="Delve into the multifaceted implications of a fully disaggregated cloud architecture, specifically " "where the compute plane (P) and the data plane (D) are independently deployed and managed for a " "geographically distributed, high-throughput, low-latency microservices ecosystem. Beyond the " "fundamental challenges of network latency and data consistency, elaborate on the advanced " "considerations and trade-offs inherent in such a setup: 1. Network Architecture and Protocols: " "How would the network fabric and underlying protocols (e.g., RDMA, custom transport layers) need to " "evolve to support optimal performance and minimize inter-plane communication overhead, especially for " "synchronous operations? Discuss the role of network programmability (e.g., SDN, P4) in dynamically " "optimizing routing and traffic flow between P and D. 2. Advanced Data Consistency and Durability: " "Explore sophisticated data consistency models (e.g., causal consistency, strong eventual consistency) " "and their applicability in balancing performance and data integrity across a globally distributed data plane. " "Detail strategies for ensuring data durability and fault tolerance, including multi-region replication, " "intelligent partitioning, and recovery mechanisms in the event of partial or full plane failures. " "3. Dynamic Resource Orchestration and Cost Optimization: Analyze how an orchestration layer would intelligently " "manage the independent scaling of compute (P) and data (D) resources, considering fluctuating workloads, " "cost efficiency, and performance targets (e.g., using predictive analytics for resource provisioning). " "Discuss mechanisms for dynamically reallocating compute nodes to different data partitions based on " "workload patterns and data locality, potentially involving live migration strategies. " "4. Security and Compliance in a Distributed Landscape: Address the enhanced security perimeter " "challenges, including securing communication channels between P and D (encryption in transit, mutual TLS), " "fine-grained access control to data at rest and in motion, and identity management across disaggregated " "components. Discuss how such an architecture impacts compliance with regulatory frameworks (e.g., GDPR, HIPAA) " "concerning data sovereignty, privacy, and auditability. 5. Operational Complexity and Observability: " "Examine the increased complexity in monitoring, logging, and tracing across highly decoupled compute and " "data planes. What specialized tooling and practices (e.g., distributed tracing with OpenTelemetry, advanced AIOps) " "would be essential? How would incident response and troubleshooting differ in this disaggregated environment " "compared to traditional integrated systems? Consider the challenges of pinpointing root causes across " "independent failures. 6. Real-world Applicability and Future Trends: Identify specific industries " "or use cases (e.g., high-frequency trading, IoT edge processing, large language model inference) " "where the benefits of P/D disaggregation would strongly outweigh its complexities. " "Conclude by speculating on emerging technologies or paradigms (e.g., serverless compute functions " "directly interacting with object storage, in-memory disaggregation) that could further drive or " "transform P/D disaggregation in cloud computing.", max_tokens=2000, ), marks=[ pytest.mark.cluster_gpu, pytest.mark.cluster_nvidia, pytest.mark.cluster_nvidia_roce, ], ), pytest.param( TestCase( base_refs=[ "router-no-scheduler", "workload-single-cpu", "model-fb-opt-125m", ], prompt="What is KServe?", ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.no_scheduler, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-simulated-dp-ep-cpu", "model-fb-opt-125m", ], prompt="This test simulates DP+EP that can run on CPU, the idea is to test the LWS-based deployment, " "but without the resources requirements for DP+EP (GPUs and ROCe/IB).", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_multi_node], ), # Scheduler config tests pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-inline-config", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-inline-config-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), # Chat completions endpoint coverage pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", "model-qwen2.5-0.5b", ], model_name="Qwen/Qwen2.5-0.5B-Instruct", endpoint="/v1/chat/completions", prompt="What is KServe?", payload_formatter=chat_completions_payload, response_assertion=create_response_assertion(with_field="choices"), ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-configmap-ref", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-configmap-ref-test", before_test=[create_scheduler_configmap], after_test=[delete_scheduler_configmap], ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-replicas", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-ha-replicas-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-custom-template", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-custom-template-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), # Scheduler v0.6 → v0.7 migration tests. # Deploy v0.6-style configs and verify the controller migrates them # so the v0.7 scheduler boots successfully. pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-v06-pd-config-migration", "workload-llmd-simulator-pd", ], prompt="KServe is a", service_name="scheduler-v06-pd-migration-test", response_assertion=assert_200_with_choices, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-v06-nonzero-threshold-migration", "workload-llmd-simulator-pd", ], prompt="KServe is a", service_name="scheduler-v06-threshold-migration-test", response_assertion=assert_200_with_choices, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), # Precise prefix KV cache routing test pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-precise-prefix-cache-inline-config", "workload-llmd-simulator-kvcache", ], prompt="KServe is a", service_name="precise-prefix-cache-test", ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), # Models endpoint coverage pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", ], endpoint="/v1/models", response_assertion=create_response_assertion(with_field="data"), ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), # Model-based routing via X-Gateway-Model-Name header — /v1/completions pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", ], endpoint="/v1/completions", prompt="KServe is a", payload_formatter=completions_payload, response_assertion=assert_model_field_matches("facebook/opt-125m"), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", }, peers=[ TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", "model-qwen2.5-0.5b", ], endpoint="/v1/completions", prompt="KServe is a", payload_formatter=completions_payload, response_assertion=assert_model_field_matches( "Qwen/Qwen2.5-0.5B-Instruct" ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/Qwen/Qwen2.5-0.5B-Instruct", }, ), ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, pytest.mark.model_routing, ], ), # Model-based routing via X-Gateway-Model-Name header — /v1/chat/completions pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", ], endpoint="/v1/chat/completions", prompt="What is KServe?", payload_formatter=chat_completions_payload, response_assertion=assert_model_field_matches("facebook/opt-125m"), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", }, peers=[ TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", "model-qwen2.5-0.5b", ], endpoint="/v1/chat/completions", prompt="What is KServe?", payload_formatter=chat_completions_payload, response_assertion=assert_model_field_matches( "Qwen/Qwen2.5-0.5B-Instruct" ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/Qwen/Qwen2.5-0.5B-Instruct", }, ), ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, pytest.mark.model_routing, ], ), # Model-based routing via X-Gateway-Model-Name header — LoRA adapter pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-fb-opt-125m-with-lora-hf", ], endpoint="/v1/completions", prompt="KServe is a", model_name=f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1", payload_formatter=completions_payload, response_assertion=assert_model_field_matches( f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1" ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1", }, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.model_routing, pytest.mark.lora, ], ), # Model-based routing via X-Gateway-Model-Name header — /v1/models (base + LoRA) pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-fb-opt-125m-with-lora-hf", ], endpoint="/v1/models", response_assertion=assert_models_contains( "facebook/opt-125m", f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", "lora-adapter-1", f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1", ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", }, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.model_routing, pytest.mark.lora, ], ), # PVC storage tests -- validate direct PVC volume mount with real vLLM serving pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-pvc", ], prompt="KServe is a", response_assertion=assert_200_with_choices, before_test=[ensure_pvc_with_model], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.pvc_storage, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-pd-cpu", "model-pvc", ], prompt="KServe is a", response_assertion=assert_200_with_choices, before_test=[ensure_pvc_with_model], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.pvc_storage, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-simulated-dp-ep-cpu", "model-pvc", ], prompt="KServe is a", before_test=[ensure_pvc_with_model], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_multi_node, pytest.mark.pvc_storage, ], ), ], indirect=["test_case"], ids=generate_test_id, ) @log_execution def test_llm_inference_service(test_case: TestCase): # noqa: F811 inject_k8s_proxy() kserve_client = KServeClient( config_file=os.environ.get("KUBECONFIG", "~/.kube/config"), client_configuration=client.Configuration(), ) service_name = test_case.llm_service.metadata.name if not test_case.llm_service.metadata.annotations: test_case.llm_service.metadata.annotations = {} test_case.llm_service.metadata.annotations[ "security.opendatahub.io/enable-auth" ] = "false" prefix = test_case.log_prefix test_failed = False try: print(f"{prefix} Creating LLMInferenceService {service_name}") create_llmisvc(kserve_client, test_case.llm_service) print(f"{prefix} Waiting for LLMInferenceService {service_name} to be ready") wait_for_llm_isvc_ready( kserve_client, test_case.llm_service, test_case.wait_timeout ) print(f"{prefix} Waiting for model response from {service_name}") > wait_for_model_response( kserve_client, test_case, test_case.wait_timeout, extra_headers=test_case.extra_headers, ) llmisvc/test_llm_inference_service.py:816: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ args = (<kserve.api.kserve_client.KServeClient object at 0x7f2814343ed0>, TestCase(base_refs=['router-managed', 'workload-pd-... {'name': 'model-pvc-llmisvc-model-pvc-rou-49c1f027'}]}, 'status': None}, model_name='facebook/opt-125m'), 900) kwargs = {'extra_headers': None}, func_name = 'wait_for_model_response' timestamp_start = '2026-07-02T14:59:52.173651', start_time = 1783004392.1741123 duration = 904.6638753414154, timestamp_end = '2026-07-02T15:14:56.837991' @functools.wraps(func) def wrapper(*args, **kwargs): func_name = func.__name__ timestamp_start = datetime.now().isoformat() logger.info( f"[{func_name}] [{timestamp_start}] start - args={args}, kwargs={kwargs}" ) start_time = time.time() try: > result = func(*args, **kwargs) llmisvc/logging.py:40: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ kserve_client = <kserve.api.kserve_client.KServeClient object at 0x7f2814343ed0> test_case = TestCase(base_refs=['router-managed', 'workload-pd-cpu', 'model-pvc'], prompt='KServe is a', service_name='llmisvc-mod... {'name': 'model-pvc-llmisvc-model-pvc-rou-49c1f027'}]}, 'status': None}, model_name='facebook/opt-125m') timeout_seconds = 900, extra_headers = None @log_execution def wait_for_model_response( kserve_client: KServeClient, test_case: TestCase, # noqa: F811 timeout_seconds: int = 900, extra_headers: Optional[Dict[str, str]] = None, ) -> str: def get_successful_response(): try: if test_case.url_getter: service_url = test_case.url_getter(kserve_client, test_case.llm_service) else: service_url = get_llm_service_url(kserve_client, test_case.llm_service) except Exception as e: raise AssertionError(f"❌ Failed to get service URL: {e}") from e model_url = service_url + test_case.endpoint headers = {"Content-Type": "application/json"} if extra_headers: headers.update(extra_headers) if test_case.payload_formatter is not None: test_payload = test_case.payload_formatter(test_case) elif test_case.prompt is not None: test_payload = { "model": test_case.model_name if not extra_headers or MODEL_ROUTING_HEADER not in extra_headers else extra_headers[MODEL_ROUTING_HEADER], "prompt": test_case.prompt, "max_tokens": test_case.max_tokens, } else: test_payload = None logger.info(f"Calling LLM service at {model_url} with payload {test_payload}") try: if test_payload is not None: response = post_with_retry( model_url, headers=headers, json_data=test_payload, timeout=test_case.response_timeout, ) else: response = get_with_retry( model_url, headers=headers, timeout=test_case.response_timeout, ) except Exception as e: logger.error(f"❌ Failed to call model: {e}") raise AssertionError(f"❌ Failed to call model: {e}") from e logger.info(f"Model response is {response.status_code}: {response.text[:500]}") if 200 <= response.status_code < 300: return response raise AssertionError( f"Service returned {response.status_code}: {response.text}" ) > response = wait_for(get_successful_response, timeout=timeout_seconds, interval=5.0) llmisvc/test_llm_inference_service.py:1119: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ assertion_fn = <function wait_for_model_response.<locals>.get_successful_response at 0x7f2814037f60> timeout = 900, interval = 5.0 def wait_for( assertion_fn: Callable[[], Any], timeout: float = 5.0, interval: float = 0.1 ) -> Any: """Wait for the assertion to succeed within timeout.""" deadline = time.time() + timeout last_msg = None while True: try: > return assertion_fn() llmisvc/test_llm_inference_service.py:1215: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ def get_successful_response(): try: if test_case.url_getter: service_url = test_case.url_getter(kserve_client, test_case.llm_service) else: service_url = get_llm_service_url(kserve_client, test_case.llm_service) except Exception as e: raise AssertionError(f"❌ Failed to get service URL: {e}") from e model_url = service_url + test_case.endpoint headers = {"Content-Type": "application/json"} if extra_headers: headers.update(extra_headers) if test_case.payload_formatter is not None: test_payload = test_case.payload_formatter(test_case) elif test_case.prompt is not None: test_payload = { "model": test_case.model_name if not extra_headers or MODEL_ROUTING_HEADER not in extra_headers else extra_headers[MODEL_ROUTING_HEADER], "prompt": test_case.prompt, "max_tokens": test_case.max_tokens, } else: test_payload = None logger.info(f"Calling LLM service at {model_url} with payload {test_payload}") try: if test_payload is not None: response = post_with_retry( model_url, headers=headers, json_data=test_payload, timeout=test_case.response_timeout, ) else: response = get_with_retry( model_url, headers=headers, timeout=test_case.response_timeout, ) except Exception as e: logger.error(f"❌ Failed to call model: {e}") > raise AssertionError(f"❌ Failed to call model: {e}") from e E AssertionError: ❌ Failed to call model: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Max retries exceeded with url: /kserve-ci-e2e-test/llmisvc-model-pvc-router-manage-e8706282/v1/completions (Caused by ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)")) llmisvc/test_llm_inference_service.py:1109: AssertionErrorself = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd14e450> conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f76dda83150> method = 'POST' url = '/kserve-ci-e2e-test/custom-route-timeout-pd-test/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "You are an expert in Kubernetes-native machine learning serving platforms,.... Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '416'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) timeout = Timeout(connect=60, read=60, total=None), chunked = False response_conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f76dda83150> preload_content = False, decode_content = False, enforce_content_length = True def _make_request( self, conn: BaseHTTPConnection, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | None = None, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, chunked: bool = False, response_conn: BaseHTTPConnection | None = None, preload_content: bool = True, decode_content: bool = True, enforce_content_length: bool = True, ) -> BaseHTTPResponse: """ Perform a request on a given urllib connection object taken from our pool. :param conn: a connection from one of our connection pools :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. Pass ``None`` to retry until you receive a response. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param response_conn: Set this to ``None`` if you will handle releasing the connection or set the connection to have the response release it. :param preload_content: If True, the response's body will be preloaded during construction. :param decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param enforce_content_length: Enforce content length checking. Body returned by server must match value of Content-Length header, if present. Otherwise, raise error. """ self.num_requests += 1 timeout_obj = self._get_timeout(timeout) timeout_obj.start_connect() conn.timeout = Timeout.resolve_default_timeout(timeout_obj.connect_timeout) try: # Trigger any extra validation we need to do. try: self._validate_conn(conn) except (SocketTimeout, BaseSSLError) as e: self._raise_timeout(err=e, url=url, timeout_value=conn.timeout) raise # _validate_conn() starts the connection to an HTTPS proxy # so we need to wrap errors with 'ProxyError' here too. except ( OSError, NewConnectionError, TimeoutError, BaseSSLError, CertificateError, SSLError, ) as e: new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) # If the connection didn't successfully connect to it's proxy # then there if isinstance( new_e, (OSError, NewConnectionError, TimeoutError, SSLError) ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) raise new_e # conn.request() calls http.client.*.request, not the method in # urllib3.request. It also calls makefile (recv) on the socket. try: conn.request( method, url, body=body, headers=headers, chunked=chunked, preload_content=preload_content, decode_content=decode_content, enforce_content_length=enforce_content_length, ) # We are swallowing BrokenPipeError (errno.EPIPE) since the server is # legitimately able to close the connection after sending a valid response. # With this behaviour, the received response is still readable. except BrokenPipeError: pass except OSError as e: # MacOS/Linux # EPROTOTYPE and ECONNRESET are needed on macOS # https://erickt.github.io/blog/2014/11/19/adventures-in-debugging-a-potential-osx-kernel-bug/ # Condition changed later to emit ECONNRESET instead of only EPROTOTYPE. if e.errno != errno.EPROTOTYPE and e.errno != errno.ECONNRESET: raise # Reset the timeout for the recv() on the socket read_timeout = timeout_obj.read_timeout if not conn.is_closed: # In Python 3 socket.py will catch EAGAIN and return None when you # try and read into the file pointer created by http.client, which # instead raises a BadStatusLine exception. Instead of catching # the exception and assuming all BadStatusLine exceptions are read # timeouts, check for a zero timeout before making the request. if read_timeout == 0: raise ReadTimeoutError( self, url, f"Read timed out. (read timeout={read_timeout})" ) conn.timeout = read_timeout # Receive the response from the server try: > response = conn.getresponse() ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:534: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f76dda83150> def getresponse( # type: ignore[override] self, ) -> HTTPResponse: """ Get the response from the server. If the HTTPConnection is in the correct state, returns an instance of HTTPResponse or of whatever object is returned by the response_class variable. If a request has not been sent or if a previous response has not be handled, ResponseNotReady is raised. If the HTTP response indicates that the connection should be closed, then it will be closed before the response is returned. When the connection is closed, the underlying socket is closed. """ # Raise the same error as http.client.HTTPConnection if self._response_options is None: raise ResponseNotReady() # Reset this attribute for being used again. resp_options = self._response_options self._response_options = None # Since the connection's timeout value may have been updated # we need to set the timeout on the socket. self.sock.settimeout(self.timeout) # This is needed here to avoid circular import errors from .response import HTTPResponse # Save a reference to the shutdown function before ownership is passed # to httplib_response # TODO should we implement it everywhere? _shutdown = getattr(self.sock, "shutdown", None) # Get the response from http.client.HTTPConnection > httplib_response = super().getresponse() ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connection.py:571: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f76dda83150> def getresponse(self): """Get the response from the server. If the HTTPConnection is in the correct state, returns an instance of HTTPResponse or of whatever object is returned by the response_class variable. If a request has not been sent or if a previous response has not be handled, ResponseNotReady is raised. If the HTTP response indicates that the connection should be closed, then it will be closed before the response is returned. When the connection is closed, the underlying socket is closed. """ # if a prior response has been completed, then forget about it. if self.__response and self.__response.isclosed(): self.__response = None # if a prior response exists, then it must be completed (otherwise, we # cannot read this response's header to determine the connection-close # behavior) # # note: if a prior response existed, but was connection-close, then the # socket and response were made independent of this HTTPConnection # object since a new request requires that we open a whole new # connection # # this means the prior response had one of two states: # 1) will_close: this connection was reset and the prior socket and # response operate independently # 2) persistent: the response was retained and we await its # isclosed() status to become true. # if self.__state != _CS_REQ_SENT or self.__response: raise ResponseNotReady(self.__state) if self.debuglevel > 0: response = self.response_class(self.sock, self.debuglevel, method=self._method) else: response = self.response_class(self.sock, method=self._method) try: try: > response.begin() /usr/lib64/python3.11/http/client.py:1395: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <http.client.HTTPResponse object at 0x7f76de163c10> def begin(self): if self.headers is not None: # we've already started reading the response return # read until we get a non-100 response while True: > version, status, reason = self._read_status() /usr/lib64/python3.11/http/client.py:325: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <http.client.HTTPResponse object at 0x7f76de163c10> def _read_status(self): > line = str(self.fp.readline(_MAXLINE + 1), "iso-8859-1") /usr/lib64/python3.11/http/client.py:286: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <socket.SocketIO object at 0x7f76de162140> b = <memory at 0x7f76dd14b280> def readinto(self, b): """Read up to len(b) bytes into the writable buffer *b* and return the number of bytes read. If the socket is non-blocking and no bytes are available, None is returned. If *b* is non-empty, a 0 return value indicates that the connection was shutdown at the other end. """ self._checkClosed() self._checkReadable() if self._timeout_occurred: raise OSError("cannot read from timed out object") while True: try: > return self._sock.recv_into(b) E TimeoutError: timed out /usr/lib64/python3.11/socket.py:718: TimeoutError The above exception was the direct cause of the following exception: self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd14e450> method = 'POST' url = '/kserve-ci-e2e-test/custom-route-timeout-pd-test/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "You are an expert in Kubernetes-native machine learning serving platforms,.... Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '416'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/custom-route-timeout-pd-test/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False, err = None, clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object > response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:787: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd14e450> conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f76dda83150> method = 'POST' url = '/kserve-ci-e2e-test/custom-route-timeout-pd-test/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "You are an expert in Kubernetes-native machine learning serving platforms,.... Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '416'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) timeout = Timeout(connect=60, read=60, total=None), chunked = False response_conn = <HTTPConnection(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80) at 0x7f76dda83150> preload_content = False, decode_content = False, enforce_content_length = True def _make_request( self, conn: BaseHTTPConnection, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | None = None, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, chunked: bool = False, response_conn: BaseHTTPConnection | None = None, preload_content: bool = True, decode_content: bool = True, enforce_content_length: bool = True, ) -> BaseHTTPResponse: """ Perform a request on a given urllib connection object taken from our pool. :param conn: a connection from one of our connection pools :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. Pass ``None`` to retry until you receive a response. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param response_conn: Set this to ``None`` if you will handle releasing the connection or set the connection to have the response release it. :param preload_content: If True, the response's body will be preloaded during construction. :param decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param enforce_content_length: Enforce content length checking. Body returned by server must match value of Content-Length header, if present. Otherwise, raise error. """ self.num_requests += 1 timeout_obj = self._get_timeout(timeout) timeout_obj.start_connect() conn.timeout = Timeout.resolve_default_timeout(timeout_obj.connect_timeout) try: # Trigger any extra validation we need to do. try: self._validate_conn(conn) except (SocketTimeout, BaseSSLError) as e: self._raise_timeout(err=e, url=url, timeout_value=conn.timeout) raise # _validate_conn() starts the connection to an HTTPS proxy # so we need to wrap errors with 'ProxyError' here too. except ( OSError, NewConnectionError, TimeoutError, BaseSSLError, CertificateError, SSLError, ) as e: new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) # If the connection didn't successfully connect to it's proxy # then there if isinstance( new_e, (OSError, NewConnectionError, TimeoutError, SSLError) ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) raise new_e # conn.request() calls http.client.*.request, not the method in # urllib3.request. It also calls makefile (recv) on the socket. try: conn.request( method, url, body=body, headers=headers, chunked=chunked, preload_content=preload_content, decode_content=decode_content, enforce_content_length=enforce_content_length, ) # We are swallowing BrokenPipeError (errno.EPIPE) since the server is # legitimately able to close the connection after sending a valid response. # With this behaviour, the received response is still readable. except BrokenPipeError: pass except OSError as e: # MacOS/Linux # EPROTOTYPE and ECONNRESET are needed on macOS # https://erickt.github.io/blog/2014/11/19/adventures-in-debugging-a-potential-osx-kernel-bug/ # Condition changed later to emit ECONNRESET instead of only EPROTOTYPE. if e.errno != errno.EPROTOTYPE and e.errno != errno.ECONNRESET: raise # Reset the timeout for the recv() on the socket read_timeout = timeout_obj.read_timeout if not conn.is_closed: # In Python 3 socket.py will catch EAGAIN and return None when you # try and read into the file pointer created by http.client, which # instead raises a BadStatusLine exception. Instead of catching # the exception and assuming all BadStatusLine exceptions are read # timeouts, check for a zero timeout before making the request. if read_timeout == 0: raise ReadTimeoutError( self, url, f"Read timed out. (read timeout={read_timeout})" ) conn.timeout = read_timeout # Receive the response from the server try: response = conn.getresponse() except (BaseSSLError, OSError) as e: > self._raise_timeout(err=e, url=url, timeout_value=read_timeout) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:536: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd14e450> err = TimeoutError('timed out') url = '/kserve-ci-e2e-test/custom-route-timeout-pd-test/v1/completions' timeout_value = 60 def _raise_timeout( self, err: BaseSSLError | OSError | SocketTimeout, url: str, timeout_value: _TYPE_TIMEOUT | None, ) -> None: """Is the error actually a timeout? Will raise a ReadTimeout or pass""" if isinstance(err, SocketTimeout): > raise ReadTimeoutError( self, url, f"Read timed out. (read timeout={timeout_value})" ) from err E urllib3.exceptions.ReadTimeoutError: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:367: ReadTimeoutError The above exception was the direct cause of the following exception: self = <requests.adapters.HTTPAdapter object at 0x7f76dd14c610> request = <PreparedRequest [POST]>, stream = False timeout = Timeout(connect=60, read=60, total=None), verify = '/tmp/ca.crt' cert = None, proxies = OrderedDict() def send( self, request, stream=False, timeout=None, verify=True, cert=None, proxies=None ): """Sends PreparedRequest object. Returns Response object. :param request: The :class:`PreparedRequest <PreparedRequest>` being sent. :param stream: (optional) Whether to stream the request content. :param timeout: (optional) How long to wait for the server to send data before giving up, as a float, or a :ref:`(connect timeout, read timeout) <timeouts>` tuple. :type timeout: float or tuple or urllib3 Timeout object :param verify: (optional) Either a boolean, in which case it controls whether we verify the server's TLS certificate, or a string, in which case it must be a path to a CA bundle to use :param cert: (optional) Any user-provided SSL certificate to be trusted. :param proxies: (optional) The proxies dictionary to apply to the request. :rtype: requests.Response """ try: conn = self.get_connection_with_tls_context( request, verify, proxies=proxies, cert=cert ) except LocationValueError as e: raise InvalidURL(e, request=request) self.cert_verify(conn, request.url, verify, cert) url = self.request_url(request, proxies) self.add_headers( request, stream=stream, timeout=timeout, verify=verify, cert=cert, proxies=proxies, ) chunked = not (request.body is None or "Content-Length" in request.headers) if isinstance(timeout, tuple): try: connect, read = timeout timeout = TimeoutSauce(connect=connect, read=read) except ValueError: raise ValueError( f"Invalid timeout {timeout}. Pass a (connect, read) timeout tuple, " f"or a single float to set both timeouts to the same value." ) elif isinstance(timeout, TimeoutSauce): pass else: timeout = TimeoutSauce(connect=timeout, read=timeout) try: > resp = conn.urlopen( method=request.method, url=url, body=request.body, headers=request.headers, redirect=False, assert_same_host=False, preload_content=False, decode_content=False, retries=self.max_retries, timeout=timeout, chunked=chunked, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/adapters.py:667: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd14e450> method = 'POST' url = '/kserve-ci-e2e-test/custom-route-timeout-pd-test/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "You are an expert in Kubernetes-native machine learning serving platforms,.... Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '416'} retries = Retry(total=7, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/custom-route-timeout-pd-test/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd14e450> method = 'POST' url = '/kserve-ci-e2e-test/custom-route-timeout-pd-test/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "You are an expert in Kubernetes-native machine learning serving platforms,.... Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '416'} retries = Retry(total=6, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/custom-route-timeout-pd-test/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd14e450> method = 'POST' url = '/kserve-ci-e2e-test/custom-route-timeout-pd-test/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "You are an expert in Kubernetes-native machine learning serving platforms,.... Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '416'} retries = Retry(total=5, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/custom-route-timeout-pd-test/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd14e450> method = 'POST' url = '/kserve-ci-e2e-test/custom-route-timeout-pd-test/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "You are an expert in Kubernetes-native machine learning serving platforms,.... Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '416'} retries = Retry(total=4, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/custom-route-timeout-pd-test/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd14e450> method = 'POST' url = '/kserve-ci-e2e-test/custom-route-timeout-pd-test/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "You are an expert in Kubernetes-native machine learning serving platforms,.... Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '416'} retries = Retry(total=3, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/custom-route-timeout-pd-test/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd14e450> method = 'POST' url = '/kserve-ci-e2e-test/custom-route-timeout-pd-test/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "You are an expert in Kubernetes-native machine learning serving platforms,.... Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '416'} retries = Retry(total=2, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/custom-route-timeout-pd-test/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd14e450> method = 'POST' url = '/kserve-ci-e2e-test/custom-route-timeout-pd-test/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "You are an expert in Kubernetes-native machine learning serving platforms,.... Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '416'} retries = Retry(total=1, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/custom-route-timeout-pd-test/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd14e450> method = 'POST' url = '/kserve-ci-e2e-test/custom-route-timeout-pd-test/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "You are an expert in Kubernetes-native machine learning serving platforms,.... Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '416'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/custom-route-timeout-pd-test/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False err = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) retries.sleep() # Keep track of the error for the retry warning. err = e finally: if not clean_exit: # We hit some kind of exception, handled or otherwise. We need # to throw the connection away unless explicitly told not to. # Close the connection, set the variable to None, and make sure # we put the None back in the pool to avoid leaking it. if conn: conn.close() conn = None release_this_conn = True if release_this_conn: # Put the connection back to be reused. If the connection is # expired then it will be None, which will get replaced with a # fresh connection during _get_conn. self._put_conn(conn) if not conn: # Try again log.warning( "Retrying (%r) after connection broken by '%r': %s", retries, err, url ) > return self.urlopen( method, url, body, headers, retries, redirect, assert_same_host, timeout=timeout, pool_timeout=pool_timeout, release_conn=release_conn, chunked=chunked, body_pos=body_pos, preload_content=preload_content, decode_content=decode_content, **response_kw, ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:871: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd14e450> method = 'POST' url = '/kserve-ci-e2e-test/custom-route-timeout-pd-test/v1/completions' body = b'{"model": "facebook/opt-125m", "prompt": "You are an expert in Kubernetes-native machine learning serving platforms,.... Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", "max_tokens": 20}' headers = {'User-Agent': 'python-requests/2.32.3', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive', 'Content-Type': 'application/json', 'Content-Length': '416'} retries = Retry(total=0, connect=None, read=None, redirect=None, status=None) redirect = False, assert_same_host = False timeout = Timeout(connect=60, read=60, total=None), pool_timeout = None release_conn = False, chunked = False, body_pos = None, preload_content = False decode_content = False, response_kw = {} parsed_url = Url(scheme=None, auth=None, host=None, port=None, path='/kserve-ci-e2e-test/custom-route-timeout-pd-test/v1/completions', query=None, fragment=None) destination_scheme = None, conn = None, release_this_conn = True http_tunnel_required = False, err = None, clean_exit = False def urlopen( # type: ignore[override] self, method: str, url: str, body: _TYPE_BODY | None = None, headers: typing.Mapping[str, str] | None = None, retries: Retry | bool | int | None = None, redirect: bool = True, assert_same_host: bool = True, timeout: _TYPE_TIMEOUT = _DEFAULT_TIMEOUT, pool_timeout: int | None = None, release_conn: bool | None = None, chunked: bool = False, body_pos: _TYPE_BODY_POSITION | None = None, preload_content: bool = True, decode_content: bool = True, **response_kw: typing.Any, ) -> BaseHTTPResponse: """ Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. If ``None`` (default) will retry 3 times, see ``Retry.DEFAULT``. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When ``False``, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param bool preload_content: If True, the response's body will be preloaded into memory. :param bool decode_content: If True, will attempt to decode the body based on the 'content-encoding' header. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``preload_content`` which defaults to ``True``. :param bool chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. """ parsed_url = parse_url(url) destination_scheme = parsed_url.scheme if headers is None: headers = self.headers if not isinstance(retries, Retry): retries = Retry.from_int(retries, redirect=redirect, default=self.retries) if release_conn is None: release_conn = preload_content # Check host if assert_same_host and not self.is_same_host(url): raise HostChangedError(self, url, retries) # Ensure that the URL we're connecting to is properly encoded if url.startswith("/"): url = to_str(_encode_target(url)) else: url = to_str(parsed_url.url) conn = None # Track whether `conn` needs to be released before # returning/raising/recursing. Update this variable if necessary, and # leave `release_conn` constant throughout the function. That way, if # the function recurses, the original value of `release_conn` will be # passed down into the recursive call, and its value will be respected. # # See issue #651 [1] for details. # # [1] <https://github.com/urllib3/urllib3/issues/651> release_this_conn = release_conn http_tunnel_required = connection_requires_http_tunnel( self.proxy, self.proxy_config, destination_scheme ) # Merge the proxy headers. Only done when not using HTTP CONNECT. We # have to copy the headers dict so we can safely change it without those # changes being reflected in anyone else's copy. if not http_tunnel_required: headers = headers.copy() # type: ignore[attr-defined] headers.update(self.proxy_headers) # type: ignore[union-attr] # Must keep the exception bound to a separate variable or else Python 3 # complains about UnboundLocalError. err = None # Keep track of whether we cleanly exited the except block. This # ensures we do proper cleanup in finally. clean_exit = False # Rewind body position, if needed. Record current position # for future rewinds in the event of a redirect/retry. body_pos = set_file_position(body, body_pos) try: # Request a connection from the queue. timeout_obj = self._get_timeout(timeout) conn = self._get_conn(timeout=pool_timeout) conn.timeout = timeout_obj.connect_timeout # type: ignore[assignment] # Is this a closed/new connection that requires CONNECT tunnelling? if self.proxy is not None and http_tunnel_required and conn.is_closed: try: self._prepare_proxy(conn) except (BaseSSLError, OSError, SocketTimeout) as e: self._raise_timeout( err=e, url=self.proxy.url, timeout_value=conn.timeout ) raise # If we're going to release the connection in ``finally:``, then # the response doesn't need to know about the connection. Otherwise # it will also try to release it and we'll have a double-release # mess. response_conn = conn if not release_conn else None # Make the request on the HTTPConnection object response = self._make_request( conn, method, url, timeout=timeout_obj, body=body, headers=headers, chunked=chunked, retries=retries, response_conn=response_conn, preload_content=preload_content, decode_content=decode_content, **response_kw, ) # Everything went great! clean_exit = True except EmptyPoolError: # Didn't get a connection from the pool, no need to clean up clean_exit = True release_this_conn = False raise except ( TimeoutError, HTTPException, OSError, ProtocolError, BaseSSLError, SSLError, CertificateError, ProxyError, ) as e: # Discard the connection for these exceptions. It will be # replaced during the next _get_conn() call. clean_exit = False new_e: Exception = e if isinstance(e, (BaseSSLError, CertificateError)): new_e = SSLError(e) if isinstance( new_e, ( OSError, NewConnectionError, TimeoutError, SSLError, HTTPException, ), ) and (conn and conn.proxy and not conn.has_connected_to_proxy): new_e = _wrap_proxy_error(new_e, conn.proxy.scheme) elif isinstance(new_e, (OSError, HTTPException)): new_e = ProtocolError("Connection aborted.", new_e) > retries = retries.increment( method, url, error=new_e, _pool=self, _stacktrace=sys.exc_info()[2] ) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/connectionpool.py:841: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = Retry(total=0, connect=None, read=None, redirect=None, status=None) method = 'POST' url = '/kserve-ci-e2e-test/custom-route-timeout-pd-test/v1/completions' response = None error = ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)") _pool = <urllib3.connectionpool.HTTPConnectionPool object at 0x7f76dd14e450> _stacktrace = <traceback object at 0x7f76dda81700> def increment( self, method: str | None = None, url: str | None = None, response: BaseHTTPResponse | None = None, error: Exception | None = None, _pool: ConnectionPool | None = None, _stacktrace: TracebackType | None = None, ) -> Self: """Return a new Retry object with incremented retry counters. :param response: A response object, or None, if the server did not return a response. :type response: :class:`~urllib3.response.BaseHTTPResponse` :param Exception error: An error encountered during the request, or None if the response was received successfully. :return: A new ``Retry`` object. """ if self.total is False and error: # Disabled, indicate to re-raise the error. raise reraise(type(error), error, _stacktrace) total = self.total if total is not None: total -= 1 connect = self.connect read = self.read redirect = self.redirect status_count = self.status other = self.other cause = "unknown" status = None redirect_location = None if error and self._is_connection_error(error): # Connect retry? if connect is False: raise reraise(type(error), error, _stacktrace) elif connect is not None: connect -= 1 elif error and self._is_read_error(error): # Read retry? if read is False or method is None or not self._is_method_retryable(method): raise reraise(type(error), error, _stacktrace) elif read is not None: read -= 1 elif error: # Other retry? if other is not None: other -= 1 elif response and response.get_redirect_location(): # Redirect retry? if redirect is not None: redirect -= 1 cause = "too many redirects" response_redirect_location = response.get_redirect_location() if response_redirect_location: redirect_location = response_redirect_location status = response.status else: # Incrementing because of a server error like a 500 in # status_forcelist and the given method is in the allowed_methods cause = ResponseError.GENERIC_ERROR if response and response.status: if status_count is not None: status_count -= 1 cause = ResponseError.SPECIFIC_ERROR.format(status_code=response.status) status = response.status history = self.history + ( RequestHistory(method, url, error, status, redirect_location), ) new_retry = self.new( total=total, connect=connect, read=read, redirect=redirect, status=status_count, other=other, history=history, ) if new_retry.is_exhausted(): reason = error or ResponseError(cause) > raise MaxRetryError(_pool, url, reason) from reason # type: ignore[arg-type] E urllib3.exceptions.MaxRetryError: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Max retries exceeded with url: /kserve-ci-e2e-test/custom-route-timeout-pd-test/v1/completions (Caused by ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)")) ../../python/kserve/.venv/lib64/python3.11/site-packages/urllib3/util/retry.py:519: MaxRetryError During handling of the above exception, another exception occurred: def get_successful_response(): try: if test_case.url_getter: service_url = test_case.url_getter(kserve_client, test_case.llm_service) else: service_url = get_llm_service_url(kserve_client, test_case.llm_service) except Exception as e: raise AssertionError(f"❌ Failed to get service URL: {e}") from e model_url = service_url + test_case.endpoint headers = {"Content-Type": "application/json"} if extra_headers: headers.update(extra_headers) if test_case.payload_formatter is not None: test_payload = test_case.payload_formatter(test_case) elif test_case.prompt is not None: test_payload = { "model": test_case.model_name if not extra_headers or MODEL_ROUTING_HEADER not in extra_headers else extra_headers[MODEL_ROUTING_HEADER], "prompt": test_case.prompt, "max_tokens": test_case.max_tokens, } else: test_payload = None logger.info(f"Calling LLM service at {model_url} with payload {test_payload}") try: if test_payload is not None: > response = post_with_retry( model_url, headers=headers, json_data=test_payload, timeout=test_case.response_timeout, ) llmisvc/test_llm_inference_service.py:1095: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ url = 'http://a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com/kserve-ci-e2e-test/custom-route-timeout-pd-test/v1/completions' def post_with_retry( url: str, *, headers: Dict = None, json_data: Union[Dict, List] = None, data: Union[str, bytes] = None, stream: bool = False, timeout: float = None, total_retries: int = DEFAULT_RETRY_TOTAL, backoff_factor: float = DEFAULT_RETRY_BACKOFF_FACTOR, retry_status_codes=DEFAULT_RETRY_STATUS_CODES, ) -> requests.Response: """ Send POST request with retries for transient HTTP and network failures. """ if json_data is not None and data is not None: raise ValueError("Only one of json_data or data can be provided.") with _retry_session( ["POST"], total_retries, backoff_factor, retry_status_codes ) as session: > return session.post( url, json=json_data, data=data, headers=headers, stream=stream, timeout=timeout, ) common/http_retry.py:70: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.sessions.Session object at 0x7f76deb06290> url = 'http://a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com/kserve-ci-e2e-test/custom-route-timeout-pd-test/v1/completions' data = None json = {'max_tokens': 20, 'model': 'facebook/opt-125m', 'prompt': 'You are an expert in Kubernetes-native machine learning se...multi-model serving. Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.'} kwargs = {'headers': {'Content-Type': 'application/json'}, 'stream': False, 'timeout': 60} def post(self, url, data=None, json=None, **kwargs): r"""Sends a POST request. Returns :class:`Response` object. :param url: URL for the new :class:`Request` object. :param data: (optional) Dictionary, list of tuples, bytes, or file-like object to send in the body of the :class:`Request`. :param json: (optional) json to send in the body of the :class:`Request`. :param \*\*kwargs: Optional arguments that ``request`` takes. :rtype: requests.Response """ > return self.request("POST", url, data=data, json=json, **kwargs) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/sessions.py:637: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.sessions.Session object at 0x7f76deb06290>, method = 'POST' url = 'http://a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com/kserve-ci-e2e-test/custom-route-timeout-pd-test/v1/completions' params = None, data = None, headers = {'Content-Type': 'application/json'} cookies = None, files = None, auth = None, timeout = 60, allow_redirects = True proxies = {}, hooks = None, stream = False, verify = None, cert = None json = {'max_tokens': 20, 'model': 'facebook/opt-125m', 'prompt': 'You are an expert in Kubernetes-native machine learning se...multi-model serving. Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.'} def request( self, method, url, params=None, data=None, headers=None, cookies=None, files=None, auth=None, timeout=None, allow_redirects=True, proxies=None, hooks=None, stream=None, verify=None, cert=None, json=None, ): """Constructs a :class:`Request <Request>`, prepares it and sends it. Returns :class:`Response <Response>` object. :param method: method for the new :class:`Request` object. :param url: URL for the new :class:`Request` object. :param params: (optional) Dictionary or bytes to be sent in the query string for the :class:`Request`. :param data: (optional) Dictionary, list of tuples, bytes, or file-like object to send in the body of the :class:`Request`. :param json: (optional) json to send in the body of the :class:`Request`. :param headers: (optional) Dictionary of HTTP Headers to send with the :class:`Request`. :param cookies: (optional) Dict or CookieJar object to send with the :class:`Request`. :param files: (optional) Dictionary of ``'filename': file-like-objects`` for multipart encoding upload. :param auth: (optional) Auth tuple or callable to enable Basic/Digest/Custom HTTP Auth. :param timeout: (optional) How long to wait for the server to send data before giving up, as a float, or a :ref:`(connect timeout, read timeout) <timeouts>` tuple. :type timeout: float or tuple :param allow_redirects: (optional) Set to True by default. :type allow_redirects: bool :param proxies: (optional) Dictionary mapping protocol or protocol and hostname to the URL of the proxy. :param hooks: (optional) Dictionary mapping hook name to one event or list of events, event must be callable. :param stream: (optional) whether to immediately download the response content. Defaults to ``False``. :param verify: (optional) Either a boolean, in which case it controls whether we verify the server's TLS certificate, or a string, in which case it must be a path to a CA bundle to use. Defaults to ``True``. When set to ``False``, requests will accept any TLS certificate presented by the server, and will ignore hostname mismatches and/or expired certificates, which will make your application vulnerable to man-in-the-middle (MitM) attacks. Setting verify to ``False`` may be useful during local development or testing. :param cert: (optional) if String, path to ssl client cert file (.pem). If Tuple, ('cert', 'key') pair. :rtype: requests.Response """ # Create the Request. req = Request( method=method.upper(), url=url, headers=headers, files=files, data=data or {}, json=json, params=params or {}, auth=auth, cookies=cookies, hooks=hooks, ) prep = self.prepare_request(req) proxies = proxies or {} settings = self.merge_environment_settings( prep.url, proxies, stream, verify, cert ) # Send the request. send_kwargs = { "timeout": timeout, "allow_redirects": allow_redirects, } send_kwargs.update(settings) > resp = self.send(prep, **send_kwargs) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/sessions.py:589: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.sessions.Session object at 0x7f76deb06290> request = <PreparedRequest [POST]> kwargs = {'cert': None, 'proxies': OrderedDict(), 'stream': False, 'timeout': 60, ...} allow_redirects = True, stream = False, hooks = {'response': []} adapter = <requests.adapters.HTTPAdapter object at 0x7f76dd14c610> start = 1783004763.6119103 def send(self, request, **kwargs): """Send a given PreparedRequest. :rtype: requests.Response """ # Set defaults that the hooks can utilize to ensure they always have # the correct parameters to reproduce the previous request. kwargs.setdefault("stream", self.stream) kwargs.setdefault("verify", self.verify) kwargs.setdefault("cert", self.cert) if "proxies" not in kwargs: kwargs["proxies"] = resolve_proxies(request, self.proxies, self.trust_env) # It's possible that users might accidentally send a Request object. # Guard against that specific failure case. if isinstance(request, Request): raise ValueError("You can only send PreparedRequests.") # Set up variables needed for resolve_redirects and dispatching of hooks allow_redirects = kwargs.pop("allow_redirects", True) stream = kwargs.get("stream") hooks = request.hooks # Get the appropriate adapter to use adapter = self.get_adapter(url=request.url) # Start time (approximately) of the request start = preferred_clock() # Send the request > r = adapter.send(request, **kwargs) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/sessions.py:703: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <requests.adapters.HTTPAdapter object at 0x7f76dd14c610> request = <PreparedRequest [POST]>, stream = False timeout = Timeout(connect=60, read=60, total=None), verify = '/tmp/ca.crt' cert = None, proxies = OrderedDict() def send( self, request, stream=False, timeout=None, verify=True, cert=None, proxies=None ): """Sends PreparedRequest object. Returns Response object. :param request: The :class:`PreparedRequest <PreparedRequest>` being sent. :param stream: (optional) Whether to stream the request content. :param timeout: (optional) How long to wait for the server to send data before giving up, as a float, or a :ref:`(connect timeout, read timeout) <timeouts>` tuple. :type timeout: float or tuple or urllib3 Timeout object :param verify: (optional) Either a boolean, in which case it controls whether we verify the server's TLS certificate, or a string, in which case it must be a path to a CA bundle to use :param cert: (optional) Any user-provided SSL certificate to be trusted. :param proxies: (optional) The proxies dictionary to apply to the request. :rtype: requests.Response """ try: conn = self.get_connection_with_tls_context( request, verify, proxies=proxies, cert=cert ) except LocationValueError as e: raise InvalidURL(e, request=request) self.cert_verify(conn, request.url, verify, cert) url = self.request_url(request, proxies) self.add_headers( request, stream=stream, timeout=timeout, verify=verify, cert=cert, proxies=proxies, ) chunked = not (request.body is None or "Content-Length" in request.headers) if isinstance(timeout, tuple): try: connect, read = timeout timeout = TimeoutSauce(connect=connect, read=read) except ValueError: raise ValueError( f"Invalid timeout {timeout}. Pass a (connect, read) timeout tuple, " f"or a single float to set both timeouts to the same value." ) elif isinstance(timeout, TimeoutSauce): pass else: timeout = TimeoutSauce(connect=timeout, read=timeout) try: resp = conn.urlopen( method=request.method, url=url, body=request.body, headers=request.headers, redirect=False, assert_same_host=False, preload_content=False, decode_content=False, retries=self.max_retries, timeout=timeout, chunked=chunked, ) except (ProtocolError, OSError) as err: raise ConnectionError(err, request=request) except MaxRetryError as e: if isinstance(e.reason, ConnectTimeoutError): # TODO: Remove this in 3.0.0: see #2811 if not isinstance(e.reason, NewConnectionError): raise ConnectTimeout(e, request=request) if isinstance(e.reason, ResponseError): raise RetryError(e, request=request) if isinstance(e.reason, _ProxyError): raise ProxyError(e, request=request) if isinstance(e.reason, _SSLError): # This branch is for urllib3 v1.22 and later. raise SSLError(e, request=request) > raise ConnectionError(e, request=request) E requests.exceptions.ConnectionError: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Max retries exceeded with url: /kserve-ci-e2e-test/custom-route-timeout-pd-test/v1/completions (Caused by ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)")) ../../python/kserve/.venv/lib64/python3.11/site-packages/requests/adapters.py:700: ConnectionError The above exception was the direct cause of the following exception: test_case = TestCase(base_refs=['router-custom-route-timeout-pd', 'scheduler-managed', 'workload-pd-cpu', 'model-fb-opt-125m'], pr... {'name': 'model-fb-opt-125m-custom-route-e92a9ea6'}]}, 'status': None}, model_name='facebook/opt-125m') @pytest.mark.llminferenceservice @pytest.mark.asyncio(loop_scope="session") @pytest.mark.parametrize( "test_case", [ pytest.param( TestCase( base_refs=[ "router-with-gateway-ref", "router-with-managed-route", "model-fb-opt-125m", "workload-llmd-simulator", ], endpoint="/v1/completions", prompt="KServe is a", payload_formatter=completions_payload, response_assertion=create_response_assertion(with_field="choices"), expected_gateway=ROUTER_GATEWAYS[0], before_test=[ lambda: create_router_resources( gateways=[ROUTER_GATEWAYS[0]], ) ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, pytest.mark.custom_gateway, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-fb-opt-125m", ], prompt="KServe is a", payload_formatter=completions_payload, response_assertion=assert_200_with_choices, ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-custom-route-timeout", "scheduler-managed", "workload-single-cpu", "model-fb-opt-125m", ], prompt="KServe is a", service_name="custom-route-timeout-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-with-refs", "scheduler-managed", "workload-single-cpu", "model-fb-opt-125m", ], prompt="KServe is a", service_name="router-with-refs-test", expected_gateway=ROUTER_GATEWAYS[0], before_test=[ lambda: create_router_resources( gateways=[ROUTER_GATEWAYS[0]], routes=[ROUTER_ROUTES[0], ROUTER_ROUTES[1]], ) ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.custom_gateway, ], ), pytest.param( TestCase( base_refs=["router-managed", "workload-pd-cpu", "model-fb-opt-125m"], prompt="You are an expert in Kubernetes-native machine learning serving platforms, with deep knowledge of the KServe project. " "Explain the challenges of serving large-scale models, GPU scheduling, and how KServe integrates with capabilities like multi-model serving. " "Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", response_assertion=assert_200_with_choices, ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-custom-route-timeout-pd", "scheduler-managed", "workload-pd-cpu", "model-fb-opt-125m", ], prompt="You are an expert in Kubernetes-native machine learning serving platforms, with deep knowledge of the KServe project. " "Explain the challenges of serving large-scale models, GPU scheduling, and how KServe integrates with capabilities like multi-model serving. " "Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", service_name="custom-route-timeout-pd-test", response_assertion=assert_200_with_choices, ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-with-refs-pd", "scheduler-managed", "workload-pd-cpu", "model-fb-opt-125m", ], prompt="You are an expert in Kubernetes-native machine learning serving platforms, with deep knowledge of the KServe project. " "Explain the challenges of serving large-scale models, GPU scheduling, and how KServe integrates with capabilities like multi-model serving. " "Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", service_name="router-with-refs-pd-test", response_assertion=assert_200_with_choices, expected_gateway=ROUTER_GATEWAYS[1], before_test=[ lambda: create_router_resources( gateways=[ROUTER_GATEWAYS[1]], routes=[ROUTER_ROUTES[2], ROUTER_ROUTES[3]], ) ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.custom_gateway, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-dp-ep-gpu", "workload-dp-ep-prefill-gpu", "model-deepseek-v2-lite", ], prompt="Delve into the multifaceted implications of a fully disaggregated cloud architecture, specifically " "where the compute plane (P) and the data plane (D) are independently deployed and managed for a " "geographically distributed, high-throughput, low-latency microservices ecosystem. Beyond the " "fundamental challenges of network latency and data consistency, elaborate on the advanced " "considerations and trade-offs inherent in such a setup: 1. Network Architecture and Protocols: " "How would the network fabric and underlying protocols (e.g., RDMA, custom transport layers) need to " "evolve to support optimal performance and minimize inter-plane communication overhead, especially for " "synchronous operations? Discuss the role of network programmability (e.g., SDN, P4) in dynamically " "optimizing routing and traffic flow between P and D. 2. Advanced Data Consistency and Durability: " "Explore sophisticated data consistency models (e.g., causal consistency, strong eventual consistency) " "and their applicability in balancing performance and data integrity across a globally distributed data plane. " "Detail strategies for ensuring data durability and fault tolerance, including multi-region replication, " "intelligent partitioning, and recovery mechanisms in the event of partial or full plane failures. " "3. Dynamic Resource Orchestration and Cost Optimization: Analyze how an orchestration layer would intelligently " "manage the independent scaling of compute (P) and data (D) resources, considering fluctuating workloads, " "cost efficiency, and performance targets (e.g., using predictive analytics for resource provisioning). " "Discuss mechanisms for dynamically reallocating compute nodes to different data partitions based on " "workload patterns and data locality, potentially involving live migration strategies. " "4. Security and Compliance in a Distributed Landscape: Address the enhanced security perimeter " "challenges, including securing communication channels between P and D (encryption in transit, mutual TLS), " "fine-grained access control to data at rest and in motion, and identity management across disaggregated " "components. Discuss how such an architecture impacts compliance with regulatory frameworks (e.g., GDPR, HIPAA) " "concerning data sovereignty, privacy, and auditability. 5. Operational Complexity and Observability: " "Examine the increased complexity in monitoring, logging, and tracing across highly decoupled compute and " "data planes. What specialized tooling and practices (e.g., distributed tracing with OpenTelemetry, advanced AIOps) " "would be essential? How would incident response and troubleshooting differ in this disaggregated environment " "compared to traditional integrated systems? Consider the challenges of pinpointing root causes across " "independent failures. 6. Real-world Applicability and Future Trends: Identify specific industries " "or use cases (e.g., high-frequency trading, IoT edge processing, large language model inference) " "where the benefits of P/D disaggregation would strongly outweigh its complexities. " "Conclude by speculating on emerging technologies or paradigms (e.g., serverless compute functions " "directly interacting with object storage, in-memory disaggregation) that could further drive or " "transform P/D disaggregation in cloud computing.", max_tokens=2000, ), marks=[ pytest.mark.cluster_gpu, pytest.mark.cluster_nvidia, pytest.mark.cluster_nvidia_roce, ], ), pytest.param( TestCase( base_refs=[ "router-no-scheduler", "workload-single-cpu", "model-fb-opt-125m", ], prompt="What is KServe?", ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.no_scheduler, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-simulated-dp-ep-cpu", "model-fb-opt-125m", ], prompt="This test simulates DP+EP that can run on CPU, the idea is to test the LWS-based deployment, " "but without the resources requirements for DP+EP (GPUs and ROCe/IB).", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_multi_node], ), # Scheduler config tests pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-inline-config", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-inline-config-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), # Chat completions endpoint coverage pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", "model-qwen2.5-0.5b", ], model_name="Qwen/Qwen2.5-0.5B-Instruct", endpoint="/v1/chat/completions", prompt="What is KServe?", payload_formatter=chat_completions_payload, response_assertion=create_response_assertion(with_field="choices"), ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-configmap-ref", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-configmap-ref-test", before_test=[create_scheduler_configmap], after_test=[delete_scheduler_configmap], ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-replicas", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-ha-replicas-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-custom-template", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-custom-template-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), # Scheduler v0.6 → v0.7 migration tests. # Deploy v0.6-style configs and verify the controller migrates them # so the v0.7 scheduler boots successfully. pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-v06-pd-config-migration", "workload-llmd-simulator-pd", ], prompt="KServe is a", service_name="scheduler-v06-pd-migration-test", response_assertion=assert_200_with_choices, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-v06-nonzero-threshold-migration", "workload-llmd-simulator-pd", ], prompt="KServe is a", service_name="scheduler-v06-threshold-migration-test", response_assertion=assert_200_with_choices, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), # Precise prefix KV cache routing test pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-precise-prefix-cache-inline-config", "workload-llmd-simulator-kvcache", ], prompt="KServe is a", service_name="precise-prefix-cache-test", ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), # Models endpoint coverage pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", ], endpoint="/v1/models", response_assertion=create_response_assertion(with_field="data"), ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), # Model-based routing via X-Gateway-Model-Name header — /v1/completions pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", ], endpoint="/v1/completions", prompt="KServe is a", payload_formatter=completions_payload, response_assertion=assert_model_field_matches("facebook/opt-125m"), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", }, peers=[ TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", "model-qwen2.5-0.5b", ], endpoint="/v1/completions", prompt="KServe is a", payload_formatter=completions_payload, response_assertion=assert_model_field_matches( "Qwen/Qwen2.5-0.5B-Instruct" ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/Qwen/Qwen2.5-0.5B-Instruct", }, ), ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, pytest.mark.model_routing, ], ), # Model-based routing via X-Gateway-Model-Name header — /v1/chat/completions pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", ], endpoint="/v1/chat/completions", prompt="What is KServe?", payload_formatter=chat_completions_payload, response_assertion=assert_model_field_matches("facebook/opt-125m"), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", }, peers=[ TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", "model-qwen2.5-0.5b", ], endpoint="/v1/chat/completions", prompt="What is KServe?", payload_formatter=chat_completions_payload, response_assertion=assert_model_field_matches( "Qwen/Qwen2.5-0.5B-Instruct" ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/Qwen/Qwen2.5-0.5B-Instruct", }, ), ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, pytest.mark.model_routing, ], ), # Model-based routing via X-Gateway-Model-Name header — LoRA adapter pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-fb-opt-125m-with-lora-hf", ], endpoint="/v1/completions", prompt="KServe is a", model_name=f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1", payload_formatter=completions_payload, response_assertion=assert_model_field_matches( f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1" ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1", }, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.model_routing, pytest.mark.lora, ], ), # Model-based routing via X-Gateway-Model-Name header — /v1/models (base + LoRA) pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-fb-opt-125m-with-lora-hf", ], endpoint="/v1/models", response_assertion=assert_models_contains( "facebook/opt-125m", f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", "lora-adapter-1", f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1", ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", }, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.model_routing, pytest.mark.lora, ], ), # PVC storage tests -- validate direct PVC volume mount with real vLLM serving pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-pvc", ], prompt="KServe is a", response_assertion=assert_200_with_choices, before_test=[ensure_pvc_with_model], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.pvc_storage, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-pd-cpu", "model-pvc", ], prompt="KServe is a", response_assertion=assert_200_with_choices, before_test=[ensure_pvc_with_model], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.pvc_storage, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-simulated-dp-ep-cpu", "model-pvc", ], prompt="KServe is a", before_test=[ensure_pvc_with_model], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_multi_node, pytest.mark.pvc_storage, ], ), ], indirect=["test_case"], ids=generate_test_id, ) @log_execution def test_llm_inference_service(test_case: TestCase): # noqa: F811 inject_k8s_proxy() kserve_client = KServeClient( config_file=os.environ.get("KUBECONFIG", "~/.kube/config"), client_configuration=client.Configuration(), ) service_name = test_case.llm_service.metadata.name if not test_case.llm_service.metadata.annotations: test_case.llm_service.metadata.annotations = {} test_case.llm_service.metadata.annotations[ "security.opendatahub.io/enable-auth" ] = "false" prefix = test_case.log_prefix test_failed = False try: print(f"{prefix} Creating LLMInferenceService {service_name}") create_llmisvc(kserve_client, test_case.llm_service) print(f"{prefix} Waiting for LLMInferenceService {service_name} to be ready") wait_for_llm_isvc_ready( kserve_client, test_case.llm_service, test_case.wait_timeout ) print(f"{prefix} Waiting for model response from {service_name}") > wait_for_model_response( kserve_client, test_case, test_case.wait_timeout, extra_headers=test_case.extra_headers, ) llmisvc/test_llm_inference_service.py:816: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ args = (<kserve.api.kserve_client.KServeClient object at 0x7f76dd86bb90>, TestCase(base_refs=['router-custom-route-timeout-pd... {'name': 'model-fb-opt-125m-custom-route-e92a9ea6'}]}, 'status': None}, model_name='facebook/opt-125m'), 900) kwargs = {'extra_headers': None}, func_name = 'wait_for_model_response' timestamp_start = '2026-07-02T15:06:03.601751', start_time = 1783004763.6020656 duration = 904.5203430652618, timestamp_end = '2026-07-02T15:21:08.122420' @functools.wraps(func) def wrapper(*args, **kwargs): func_name = func.__name__ timestamp_start = datetime.now().isoformat() logger.info( f"[{func_name}] [{timestamp_start}] start - args={args}, kwargs={kwargs}" ) start_time = time.time() try: > result = func(*args, **kwargs) llmisvc/logging.py:40: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ kserve_client = <kserve.api.kserve_client.KServeClient object at 0x7f76dd86bb90> test_case = TestCase(base_refs=['router-custom-route-timeout-pd', 'scheduler-managed', 'workload-pd-cpu', 'model-fb-opt-125m'], pr... {'name': 'model-fb-opt-125m-custom-route-e92a9ea6'}]}, 'status': None}, model_name='facebook/opt-125m') timeout_seconds = 900, extra_headers = None @log_execution def wait_for_model_response( kserve_client: KServeClient, test_case: TestCase, # noqa: F811 timeout_seconds: int = 900, extra_headers: Optional[Dict[str, str]] = None, ) -> str: def get_successful_response(): try: if test_case.url_getter: service_url = test_case.url_getter(kserve_client, test_case.llm_service) else: service_url = get_llm_service_url(kserve_client, test_case.llm_service) except Exception as e: raise AssertionError(f"❌ Failed to get service URL: {e}") from e model_url = service_url + test_case.endpoint headers = {"Content-Type": "application/json"} if extra_headers: headers.update(extra_headers) if test_case.payload_formatter is not None: test_payload = test_case.payload_formatter(test_case) elif test_case.prompt is not None: test_payload = { "model": test_case.model_name if not extra_headers or MODEL_ROUTING_HEADER not in extra_headers else extra_headers[MODEL_ROUTING_HEADER], "prompt": test_case.prompt, "max_tokens": test_case.max_tokens, } else: test_payload = None logger.info(f"Calling LLM service at {model_url} with payload {test_payload}") try: if test_payload is not None: response = post_with_retry( model_url, headers=headers, json_data=test_payload, timeout=test_case.response_timeout, ) else: response = get_with_retry( model_url, headers=headers, timeout=test_case.response_timeout, ) except Exception as e: logger.error(f"❌ Failed to call model: {e}") raise AssertionError(f"❌ Failed to call model: {e}") from e logger.info(f"Model response is {response.status_code}: {response.text[:500]}") if 200 <= response.status_code < 300: return response raise AssertionError( f"Service returned {response.status_code}: {response.text}" ) > response = wait_for(get_successful_response, timeout=timeout_seconds, interval=5.0) llmisvc/test_llm_inference_service.py:1119: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ assertion_fn = <function wait_for_model_response.<locals>.get_successful_response at 0x7f76dda50d60> timeout = 900, interval = 5.0 def wait_for( assertion_fn: Callable[[], Any], timeout: float = 5.0, interval: float = 0.1 ) -> Any: """Wait for the assertion to succeed within timeout.""" deadline = time.time() + timeout last_msg = None while True: try: > return assertion_fn() llmisvc/test_llm_inference_service.py:1215: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ def get_successful_response(): try: if test_case.url_getter: service_url = test_case.url_getter(kserve_client, test_case.llm_service) else: service_url = get_llm_service_url(kserve_client, test_case.llm_service) except Exception as e: raise AssertionError(f"❌ Failed to get service URL: {e}") from e model_url = service_url + test_case.endpoint headers = {"Content-Type": "application/json"} if extra_headers: headers.update(extra_headers) if test_case.payload_formatter is not None: test_payload = test_case.payload_formatter(test_case) elif test_case.prompt is not None: test_payload = { "model": test_case.model_name if not extra_headers or MODEL_ROUTING_HEADER not in extra_headers else extra_headers[MODEL_ROUTING_HEADER], "prompt": test_case.prompt, "max_tokens": test_case.max_tokens, } else: test_payload = None logger.info(f"Calling LLM service at {model_url} with payload {test_payload}") try: if test_payload is not None: response = post_with_retry( model_url, headers=headers, json_data=test_payload, timeout=test_case.response_timeout, ) else: response = get_with_retry( model_url, headers=headers, timeout=test_case.response_timeout, ) except Exception as e: logger.error(f"❌ Failed to call model: {e}") > raise AssertionError(f"❌ Failed to call model: {e}") from e E AssertionError: ❌ Failed to call model: HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Max retries exceeded with url: /kserve-ci-e2e-test/custom-route-timeout-pd-test/v1/completions (Caused by ReadTimeoutError("HTTPConnectionPool(host='a675487e7a8da4a38897aac3fb750071-1006134124.us-east-1.elb.amazonaws.com', port=80): Read timed out. (read timeout=60)")) llmisvc/test_llm_inference_service.py:1109: AssertionErrortest_case = TestCase(base_refs=['router-managed', 'workload-simulated-dp-ep-cpu', 'model-pvc'], prompt='KServe is a', service_name... {'name': 'model-pvc-llmisvc-model-pvc-rou-cfc8d654'}]}, 'status': None}, model_name='facebook/opt-125m') @pytest.mark.llminferenceservice @pytest.mark.asyncio(loop_scope="session") @pytest.mark.parametrize( "test_case", [ pytest.param( TestCase( base_refs=[ "router-with-gateway-ref", "router-with-managed-route", "model-fb-opt-125m", "workload-llmd-simulator", ], endpoint="/v1/completions", prompt="KServe is a", payload_formatter=completions_payload, response_assertion=create_response_assertion(with_field="choices"), expected_gateway=ROUTER_GATEWAYS[0], before_test=[ lambda: create_router_resources( gateways=[ROUTER_GATEWAYS[0]], ) ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, pytest.mark.custom_gateway, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-fb-opt-125m", ], prompt="KServe is a", payload_formatter=completions_payload, response_assertion=assert_200_with_choices, ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-custom-route-timeout", "scheduler-managed", "workload-single-cpu", "model-fb-opt-125m", ], prompt="KServe is a", service_name="custom-route-timeout-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-with-refs", "scheduler-managed", "workload-single-cpu", "model-fb-opt-125m", ], prompt="KServe is a", service_name="router-with-refs-test", expected_gateway=ROUTER_GATEWAYS[0], before_test=[ lambda: create_router_resources( gateways=[ROUTER_GATEWAYS[0]], routes=[ROUTER_ROUTES[0], ROUTER_ROUTES[1]], ) ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.custom_gateway, ], ), pytest.param( TestCase( base_refs=["router-managed", "workload-pd-cpu", "model-fb-opt-125m"], prompt="You are an expert in Kubernetes-native machine learning serving platforms, with deep knowledge of the KServe project. " "Explain the challenges of serving large-scale models, GPU scheduling, and how KServe integrates with capabilities like multi-model serving. " "Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", response_assertion=assert_200_with_choices, ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-custom-route-timeout-pd", "scheduler-managed", "workload-pd-cpu", "model-fb-opt-125m", ], prompt="You are an expert in Kubernetes-native machine learning serving platforms, with deep knowledge of the KServe project. " "Explain the challenges of serving large-scale models, GPU scheduling, and how KServe integrates with capabilities like multi-model serving. " "Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", service_name="custom-route-timeout-pd-test", response_assertion=assert_200_with_choices, ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-with-refs-pd", "scheduler-managed", "workload-pd-cpu", "model-fb-opt-125m", ], prompt="You are an expert in Kubernetes-native machine learning serving platforms, with deep knowledge of the KServe project. " "Explain the challenges of serving large-scale models, GPU scheduling, and how KServe integrates with capabilities like multi-model serving. " "Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", service_name="router-with-refs-pd-test", response_assertion=assert_200_with_choices, expected_gateway=ROUTER_GATEWAYS[1], before_test=[ lambda: create_router_resources( gateways=[ROUTER_GATEWAYS[1]], routes=[ROUTER_ROUTES[2], ROUTER_ROUTES[3]], ) ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.custom_gateway, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-dp-ep-gpu", "workload-dp-ep-prefill-gpu", "model-deepseek-v2-lite", ], prompt="Delve into the multifaceted implications of a fully disaggregated cloud architecture, specifically " "where the compute plane (P) and the data plane (D) are independently deployed and managed for a " "geographically distributed, high-throughput, low-latency microservices ecosystem. Beyond the " "fundamental challenges of network latency and data consistency, elaborate on the advanced " "considerations and trade-offs inherent in such a setup: 1. Network Architecture and Protocols: " "How would the network fabric and underlying protocols (e.g., RDMA, custom transport layers) need to " "evolve to support optimal performance and minimize inter-plane communication overhead, especially for " "synchronous operations? Discuss the role of network programmability (e.g., SDN, P4) in dynamically " "optimizing routing and traffic flow between P and D. 2. Advanced Data Consistency and Durability: " "Explore sophisticated data consistency models (e.g., causal consistency, strong eventual consistency) " "and their applicability in balancing performance and data integrity across a globally distributed data plane. " "Detail strategies for ensuring data durability and fault tolerance, including multi-region replication, " "intelligent partitioning, and recovery mechanisms in the event of partial or full plane failures. " "3. Dynamic Resource Orchestration and Cost Optimization: Analyze how an orchestration layer would intelligently " "manage the independent scaling of compute (P) and data (D) resources, considering fluctuating workloads, " "cost efficiency, and performance targets (e.g., using predictive analytics for resource provisioning). " "Discuss mechanisms for dynamically reallocating compute nodes to different data partitions based on " "workload patterns and data locality, potentially involving live migration strategies. " "4. Security and Compliance in a Distributed Landscape: Address the enhanced security perimeter " "challenges, including securing communication channels between P and D (encryption in transit, mutual TLS), " "fine-grained access control to data at rest and in motion, and identity management across disaggregated " "components. Discuss how such an architecture impacts compliance with regulatory frameworks (e.g., GDPR, HIPAA) " "concerning data sovereignty, privacy, and auditability. 5. Operational Complexity and Observability: " "Examine the increased complexity in monitoring, logging, and tracing across highly decoupled compute and " "data planes. What specialized tooling and practices (e.g., distributed tracing with OpenTelemetry, advanced AIOps) " "would be essential? How would incident response and troubleshooting differ in this disaggregated environment " "compared to traditional integrated systems? Consider the challenges of pinpointing root causes across " "independent failures. 6. Real-world Applicability and Future Trends: Identify specific industries " "or use cases (e.g., high-frequency trading, IoT edge processing, large language model inference) " "where the benefits of P/D disaggregation would strongly outweigh its complexities. " "Conclude by speculating on emerging technologies or paradigms (e.g., serverless compute functions " "directly interacting with object storage, in-memory disaggregation) that could further drive or " "transform P/D disaggregation in cloud computing.", max_tokens=2000, ), marks=[ pytest.mark.cluster_gpu, pytest.mark.cluster_nvidia, pytest.mark.cluster_nvidia_roce, ], ), pytest.param( TestCase( base_refs=[ "router-no-scheduler", "workload-single-cpu", "model-fb-opt-125m", ], prompt="What is KServe?", ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.no_scheduler, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-simulated-dp-ep-cpu", "model-fb-opt-125m", ], prompt="This test simulates DP+EP that can run on CPU, the idea is to test the LWS-based deployment, " "but without the resources requirements for DP+EP (GPUs and ROCe/IB).", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_multi_node], ), # Scheduler config tests pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-inline-config", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-inline-config-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), # Chat completions endpoint coverage pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", "model-qwen2.5-0.5b", ], model_name="Qwen/Qwen2.5-0.5B-Instruct", endpoint="/v1/chat/completions", prompt="What is KServe?", payload_formatter=chat_completions_payload, response_assertion=create_response_assertion(with_field="choices"), ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-configmap-ref", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-configmap-ref-test", before_test=[create_scheduler_configmap], after_test=[delete_scheduler_configmap], ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-replicas", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-ha-replicas-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-custom-template", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-custom-template-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), # Scheduler v0.6 → v0.7 migration tests. # Deploy v0.6-style configs and verify the controller migrates them # so the v0.7 scheduler boots successfully. pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-v06-pd-config-migration", "workload-llmd-simulator-pd", ], prompt="KServe is a", service_name="scheduler-v06-pd-migration-test", response_assertion=assert_200_with_choices, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-v06-nonzero-threshold-migration", "workload-llmd-simulator-pd", ], prompt="KServe is a", service_name="scheduler-v06-threshold-migration-test", response_assertion=assert_200_with_choices, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), # Precise prefix KV cache routing test pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-precise-prefix-cache-inline-config", "workload-llmd-simulator-kvcache", ], prompt="KServe is a", service_name="precise-prefix-cache-test", ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), # Models endpoint coverage pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", ], endpoint="/v1/models", response_assertion=create_response_assertion(with_field="data"), ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), # Model-based routing via X-Gateway-Model-Name header — /v1/completions pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", ], endpoint="/v1/completions", prompt="KServe is a", payload_formatter=completions_payload, response_assertion=assert_model_field_matches("facebook/opt-125m"), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", }, peers=[ TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", "model-qwen2.5-0.5b", ], endpoint="/v1/completions", prompt="KServe is a", payload_formatter=completions_payload, response_assertion=assert_model_field_matches( "Qwen/Qwen2.5-0.5B-Instruct" ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/Qwen/Qwen2.5-0.5B-Instruct", }, ), ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, pytest.mark.model_routing, ], ), # Model-based routing via X-Gateway-Model-Name header — /v1/chat/completions pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", ], endpoint="/v1/chat/completions", prompt="What is KServe?", payload_formatter=chat_completions_payload, response_assertion=assert_model_field_matches("facebook/opt-125m"), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", }, peers=[ TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", "model-qwen2.5-0.5b", ], endpoint="/v1/chat/completions", prompt="What is KServe?", payload_formatter=chat_completions_payload, response_assertion=assert_model_field_matches( "Qwen/Qwen2.5-0.5B-Instruct" ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/Qwen/Qwen2.5-0.5B-Instruct", }, ), ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, pytest.mark.model_routing, ], ), # Model-based routing via X-Gateway-Model-Name header — LoRA adapter pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-fb-opt-125m-with-lora-hf", ], endpoint="/v1/completions", prompt="KServe is a", model_name=f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1", payload_formatter=completions_payload, response_assertion=assert_model_field_matches( f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1" ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1", }, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.model_routing, pytest.mark.lora, ], ), # Model-based routing via X-Gateway-Model-Name header — /v1/models (base + LoRA) pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-fb-opt-125m-with-lora-hf", ], endpoint="/v1/models", response_assertion=assert_models_contains( "facebook/opt-125m", f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", "lora-adapter-1", f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1", ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", }, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.model_routing, pytest.mark.lora, ], ), # PVC storage tests -- validate direct PVC volume mount with real vLLM serving pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-pvc", ], prompt="KServe is a", response_assertion=assert_200_with_choices, before_test=[ensure_pvc_with_model], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.pvc_storage, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-pd-cpu", "model-pvc", ], prompt="KServe is a", response_assertion=assert_200_with_choices, before_test=[ensure_pvc_with_model], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.pvc_storage, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-simulated-dp-ep-cpu", "model-pvc", ], prompt="KServe is a", before_test=[ensure_pvc_with_model], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_multi_node, pytest.mark.pvc_storage, ], ), ], indirect=["test_case"], ids=generate_test_id, ) @log_execution def test_llm_inference_service(test_case: TestCase): # noqa: F811 inject_k8s_proxy() kserve_client = KServeClient( config_file=os.environ.get("KUBECONFIG", "~/.kube/config"), client_configuration=client.Configuration(), ) service_name = test_case.llm_service.metadata.name if not test_case.llm_service.metadata.annotations: test_case.llm_service.metadata.annotations = {} test_case.llm_service.metadata.annotations[ "security.opendatahub.io/enable-auth" ] = "false" prefix = test_case.log_prefix test_failed = False try: print(f"{prefix} Creating LLMInferenceService {service_name}") create_llmisvc(kserve_client, test_case.llm_service) print(f"{prefix} Waiting for LLMInferenceService {service_name} to be ready") > wait_for_llm_isvc_ready( kserve_client, test_case.llm_service, test_case.wait_timeout ) llmisvc/test_llm_inference_service.py:812: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ args = (<kserve.api.kserve_client.KServeClient object at 0x7f2813c69e50>, {'api_version': 'serving.kserve.io/v1alpha1', 'kin...pu-ll-699c687c'}, {'name': 'model-pvc-llmisvc-model-pvc-rou-cfc8d654'}]}, 'status': None}, 900) kwargs = {}, func_name = 'wait_for_llm_isvc_ready' timestamp_start = '2026-07-02T15:14:59.441338', start_time = 1783005299.4415946 duration = 900.3205778598785, timestamp_end = '2026-07-02T15:29:59.762178' @functools.wraps(func) def wrapper(*args, **kwargs): func_name = func.__name__ timestamp_start = datetime.now().isoformat() logger.info( f"[{func_name}] [{timestamp_start}] start - args={args}, kwargs={kwargs}" ) start_time = time.time() try: > result = func(*args, **kwargs) llmisvc/logging.py:40: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ kserve_client = <kserve.api.kserve_client.KServeClient object at 0x7f2813c69e50> given = {'api_version': 'serving.kserve.io/v1alpha1', 'kind': 'LLMInferenceService', 'metadata': {'annotations': {'security....p-ep-cpu-ll-699c687c'}, {'name': 'model-pvc-llmisvc-model-pvc-rou-cfc8d654'}]}, 'status': None} timeout_seconds = 900 @log_execution def wait_for_llm_isvc_ready( kserve_client: KServeClient, given: V1alpha1LLMInferenceService, timeout_seconds: int = 900, ) -> str: def assert_llm_isvc_ready(): out = get_llmisvc( kserve_client, given.metadata.name, given.metadata.namespace, given.api_version.split("/")[1], ) if "status" not in out: raise AssertionError("No status found in LLM inference service") status = out["status"] if "conditions" not in status: raise AssertionError("No conditions found in status") expected_true_conditions = {"Ready", "WorkloadsReady", "RouterReady"} got_true_conditions = set() conditions = status["conditions"] for condition in conditions: if condition.get("status") == "True": got_true_conditions.add(condition.get("type")) missing_conditions = expected_true_conditions - got_true_conditions if missing_conditions: raise AssertionError( f"Missing true conditions: {missing_conditions}, expected {expected_true_conditions}, got {conditions}" ) return True > return wait_for(assert_llm_isvc_ready, timeout=timeout_seconds, interval=1.0) llmisvc/test_llm_inference_service.py:1204: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ assertion_fn = <function wait_for_llm_isvc_ready.<locals>.assert_llm_isvc_ready at 0x7f2814355760> timeout = 900, interval = 1.0 def wait_for( assertion_fn: Callable[[], Any], timeout: float = 5.0, interval: float = 0.1 ) -> Any: """Wait for the assertion to succeed within timeout.""" deadline = time.time() + timeout last_msg = None while True: try: > return assertion_fn() llmisvc/test_llm_inference_service.py:1215: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ def assert_llm_isvc_ready(): out = get_llmisvc( kserve_client, given.metadata.name, given.metadata.namespace, given.api_version.split("/")[1], ) if "status" not in out: raise AssertionError("No status found in LLM inference service") status = out["status"] if "conditions" not in status: raise AssertionError("No conditions found in status") expected_true_conditions = {"Ready", "WorkloadsReady", "RouterReady"} got_true_conditions = set() conditions = status["conditions"] for condition in conditions: if condition.get("status") == "True": got_true_conditions.add(condition.get("type")) missing_conditions = expected_true_conditions - got_true_conditions if missing_conditions: > raise AssertionError( f"Missing true conditions: {missing_conditions}, expected {expected_true_conditions}, got {conditions}" ) E AssertionError: Missing true conditions: {'Ready', 'WorkloadsReady'}, expected {'Ready', 'WorkloadsReady', 'RouterReady'}, got [{'lastTransitionTime': '2026-07-02T15:16:06Z', 'severity': 'Info', 'status': 'True', 'type': 'HTTPRoutesReady'}, {'lastTransitionTime': '2026-07-02T15:16:06Z', 'severity': 'Info', 'status': 'True', 'type': 'InferencePoolReady'}, {'lastTransitionTime': '2026-07-02T15:15:17Z', 'severity': 'Info', 'status': 'True', 'type': 'PresetsCombined'}, {'lastTransitionTime': '2026-07-02T15:16:06Z', 'message': 'LWS is progressing', 'reason': 'Progressing', 'status': 'False', 'type': 'Ready'}, {'lastTransitionTime': '2026-07-02T15:16:06Z', 'status': 'True', 'type': 'RouterReady'}, {'lastTransitionTime': '2026-07-02T15:16:06Z', 'severity': 'Info', 'status': 'True', 'type': 'SchedulerWorkloadReady'}, {'lastTransitionTime': '2026-07-02T15:15:17Z', 'message': 'LWS is progressing', 'reason': 'Progressing', 'severity': 'Info', 'status': 'False', 'type': 'WorkerWorkloadReady'}, {'lastTransitionTime': '2026-07-02T15:15:17Z', 'message': 'LWS is progressing', 'reason': 'Progressing', 'status': 'False', 'type': 'WorkloadsReady'}] llmisvc/test_llm_inference_service.py:1199: AssertionErrorkserve_client = <kserve.api.kserve_client.KServeClient object at 0x7f76dc64df10> name = 'llmisvc-model-fb-opt-125m-route-3c960099' namespace = 'kserve-ci-e2e-test', version = 'v1alpha1' def get_llmisvc( kserve_client: KServeClient, name, namespace, version=constants.KSERVE_V1ALPHA1_VERSION, ): try: > return kserve_client.api_instance.get_namespaced_custom_object( constants.KSERVE_GROUP, version, namespace, KSERVE_PLURAL_LLMINFERENCESERVICE, name, ) llmisvc/test_llm_inference_service.py:1043: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <kubernetes.client.api.custom_objects_api.CustomObjectsApi object at 0x7f76dda00590> group = 'serving.kserve.io', version = 'v1alpha1' namespace = 'kserve-ci-e2e-test', plural = 'llminferenceservices' name = 'llmisvc-model-fb-opt-125m-route-3c960099' kwargs = {'_return_http_data_only': True} def get_namespaced_custom_object(self, group, version, namespace, plural, name, **kwargs): # noqa: E501 """get_namespaced_custom_object # noqa: E501 Returns a namespace scoped custom object # noqa: E501 This method makes a synchronous HTTP request by default. To make an asynchronous HTTP request, please pass async_req=True >>> thread = api.get_namespaced_custom_object(group, version, namespace, plural, name, async_req=True) >>> result = thread.get() :param async_req bool: execute request asynchronously :param str group: the custom resource's group (required) :param str version: the custom resource's version (required) :param str namespace: The custom resource's namespace (required) :param str plural: the custom resource's plural name. For TPRs this would be lowercase plural kind. (required) :param str name: the custom object's name (required) :param _preload_content: if False, the urllib3.HTTPResponse object will be returned without reading/decoding response data. Default is True. :param _request_timeout: timeout setting for this request. If one number provided, it will be total request timeout. It can also be a pair (tuple) of (connection, read) timeouts. :return: object If the method is called asynchronously, returns the request thread. """ kwargs['_return_http_data_only'] = True > return self.get_namespaced_custom_object_with_http_info(group, version, namespace, plural, name, **kwargs) # noqa: E501 ../../python/kserve/.venv/lib64/python3.11/site-packages/kubernetes/client/api/custom_objects_api.py:1632: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <kubernetes.client.api.custom_objects_api.CustomObjectsApi object at 0x7f76dda00590> group = 'serving.kserve.io', version = 'v1alpha1' namespace = 'kserve-ci-e2e-test', plural = 'llminferenceservices' name = 'llmisvc-model-fb-opt-125m-route-3c960099' kwargs = {'_return_http_data_only': True} local_var_params = {'_return_http_data_only': True, 'all_params': ['group', 'version', 'namespace', 'plural', 'name', 'async_req', ...], 'auth_settings': ['BearerToken'], 'body_params': None, ...} all_params = ['group', 'version', 'namespace', 'plural', 'name', 'async_req', ...] key = '_return_http_data_only', val = True, collection_formats = {} path_params = {'group': 'serving.kserve.io', 'name': 'llmisvc-model-fb-opt-125m-route-3c960099', 'namespace': 'kserve-ci-e2e-test', 'plural': 'llminferenceservices', ...} query_params = [] def get_namespaced_custom_object_with_http_info(self, group, version, namespace, plural, name, **kwargs): # noqa: E501 """get_namespaced_custom_object # noqa: E501 Returns a namespace scoped custom object # noqa: E501 This method makes a synchronous HTTP request by default. To make an asynchronous HTTP request, please pass async_req=True >>> thread = api.get_namespaced_custom_object_with_http_info(group, version, namespace, plural, name, async_req=True) >>> result = thread.get() :param async_req bool: execute request asynchronously :param str group: the custom resource's group (required) :param str version: the custom resource's version (required) :param str namespace: The custom resource's namespace (required) :param str plural: the custom resource's plural name. For TPRs this would be lowercase plural kind. (required) :param str name: the custom object's name (required) :param _return_http_data_only: response data without head status code and headers :param _preload_content: if False, the urllib3.HTTPResponse object will be returned without reading/decoding response data. Default is True. :param _request_timeout: timeout setting for this request. If one number provided, it will be total request timeout. It can also be a pair (tuple) of (connection, read) timeouts. :return: tuple(object, status_code(int), headers(HTTPHeaderDict)) If the method is called asynchronously, returns the request thread. """ local_var_params = locals() all_params = [ 'group', 'version', 'namespace', 'plural', 'name' ] all_params.extend( [ 'async_req', '_return_http_data_only', '_preload_content', '_request_timeout' ] ) for key, val in six.iteritems(local_var_params['kwargs']): if key not in all_params: raise ApiTypeError( "Got an unexpected keyword argument '%s'" " to method get_namespaced_custom_object" % key ) local_var_params[key] = val del local_var_params['kwargs'] # verify the required parameter 'group' is set if self.api_client.client_side_validation and ('group' not in local_var_params or # noqa: E501 local_var_params['group'] is None): # noqa: E501 raise ApiValueError("Missing the required parameter `group` when calling `get_namespaced_custom_object`") # noqa: E501 # verify the required parameter 'version' is set if self.api_client.client_side_validation and ('version' not in local_var_params or # noqa: E501 local_var_params['version'] is None): # noqa: E501 raise ApiValueError("Missing the required parameter `version` when calling `get_namespaced_custom_object`") # noqa: E501 # verify the required parameter 'namespace' is set if self.api_client.client_side_validation and ('namespace' not in local_var_params or # noqa: E501 local_var_params['namespace'] is None): # noqa: E501 raise ApiValueError("Missing the required parameter `namespace` when calling `get_namespaced_custom_object`") # noqa: E501 # verify the required parameter 'plural' is set if self.api_client.client_side_validation and ('plural' not in local_var_params or # noqa: E501 local_var_params['plural'] is None): # noqa: E501 raise ApiValueError("Missing the required parameter `plural` when calling `get_namespaced_custom_object`") # noqa: E501 # verify the required parameter 'name' is set if self.api_client.client_side_validation and ('name' not in local_var_params or # noqa: E501 local_var_params['name'] is None): # noqa: E501 raise ApiValueError("Missing the required parameter `name` when calling `get_namespaced_custom_object`") # noqa: E501 collection_formats = {} path_params = {} if 'group' in local_var_params: path_params['group'] = local_var_params['group'] # noqa: E501 if 'version' in local_var_params: path_params['version'] = local_var_params['version'] # noqa: E501 if 'namespace' in local_var_params: path_params['namespace'] = local_var_params['namespace'] # noqa: E501 if 'plural' in local_var_params: path_params['plural'] = local_var_params['plural'] # noqa: E501 if 'name' in local_var_params: path_params['name'] = local_var_params['name'] # noqa: E501 query_params = [] header_params = {} form_params = [] local_var_files = {} body_params = None # HTTP header `Accept` header_params['Accept'] = self.api_client.select_header_accept( ['application/json']) # noqa: E501 # Authentication setting auth_settings = ['BearerToken'] # noqa: E501 > return self.api_client.call_api( '/apis/{group}/{version}/namespaces/{namespace}/{plural}/{name}', 'GET', path_params, query_params, header_params, body=body_params, post_params=form_params, files=local_var_files, response_type='object', # noqa: E501 auth_settings=auth_settings, async_req=local_var_params.get('async_req'), _return_http_data_only=local_var_params.get('_return_http_data_only'), # noqa: E501 _preload_content=local_var_params.get('_preload_content', True), _request_timeout=local_var_params.get('_request_timeout'), collection_formats=collection_formats) ../../python/kserve/.venv/lib64/python3.11/site-packages/kubernetes/client/api/custom_objects_api.py:1739: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <kubernetes.client.api_client.ApiClient object at 0x7f76dda02510> resource_path = '/apis/{group}/{version}/namespaces/{namespace}/{plural}/{name}' method = 'GET' path_params = {'group': 'serving.kserve.io', 'name': 'llmisvc-model-fb-opt-125m-route-3c960099', 'namespace': 'kserve-ci-e2e-test', 'plural': 'llminferenceservices', ...} query_params = [] header_params = {'Accept': 'application/json', 'User-Agent': 'OpenAPI-Generator/32.0.1/python'} body = None, post_params = [], files = {}, response_type = 'object' auth_settings = ['BearerToken'], async_req = None, _return_http_data_only = True collection_formats = {}, _preload_content = True, _request_timeout = None _host = None def call_api(self, resource_path, method, path_params=None, query_params=None, header_params=None, body=None, post_params=None, files=None, response_type=None, auth_settings=None, async_req=None, _return_http_data_only=None, collection_formats=None, _preload_content=True, _request_timeout=None, _host=None): """Makes the HTTP request (synchronous) and returns deserialized data. To make an async_req request, set the async_req parameter. :param resource_path: Path to method endpoint. :param method: Method to call. :param path_params: Path parameters in the url. :param query_params: Query parameters in the url. :param header_params: Header parameters to be placed in the request header. :param body: Request body. :param post_params dict: Request post form parameters, for `application/x-www-form-urlencoded`, `multipart/form-data`. :param auth_settings list: Auth Settings names for the request. :param response: Response data type. :param files dict: key -> filename, value -> filepath, for `multipart/form-data`. :param async_req bool: execute request asynchronously :param _return_http_data_only: response data without head status code and headers :param collection_formats: dict of collection formats for path, query, header, and post parameters. :param _preload_content: if False, the urllib3.HTTPResponse object will be returned without reading/decoding response data. Default is True. :param _request_timeout: timeout setting for this request. If one number provided, it will be total request timeout. It can also be a pair (tuple) of (connection, read) timeouts. :return: If async_req parameter is True, the request will be called asynchronously. The method will return the request thread. If parameter async_req is False or missing, then the method will return the response directly. """ if not async_req: > return self.__call_api(resource_path, method, path_params, query_params, header_params, body, post_params, files, response_type, auth_settings, _return_http_data_only, collection_formats, _preload_content, _request_timeout, _host) ../../python/kserve/.venv/lib64/python3.11/site-packages/kubernetes/client/api_client.py:348: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <kubernetes.client.api_client.ApiClient object at 0x7f76dda02510> resource_path = '/apis/serving.kserve.io/v1alpha1/namespaces/kserve-ci-e2e-test/llminferenceservices/llmisvc-model-fb-opt-125m-route-3c960099' method = 'GET' path_params = [('group', 'serving.kserve.io'), ('version', 'v1alpha1'), ('namespace', 'kserve-ci-e2e-test'), ('plural', 'llminferenceservices'), ('name', 'llmisvc-model-fb-opt-125m-route-3c960099')] query_params = [] header_params = {'Accept': 'application/json', 'Content-Type': 'application/json', 'User-Agent': 'OpenAPI-Generator/32.0.1/python'} body = None, post_params = [], files = {}, response_type = 'object' auth_settings = ['BearerToken'], _return_http_data_only = True collection_formats = {}, _preload_content = True, _request_timeout = None _host = None def __call_api( self, resource_path, method, path_params=None, query_params=None, header_params=None, body=None, post_params=None, files=None, response_type=None, auth_settings=None, _return_http_data_only=None, collection_formats=None, _preload_content=True, _request_timeout=None, _host=None): config = self.configuration # header parameters header_params = header_params or {} header_params.update(self.default_headers) if self.cookie: header_params['Cookie'] = self.cookie if header_params: header_params = self.sanitize_for_serialization(header_params) header_params = dict(self.parameters_to_tuples(header_params, collection_formats)) # path parameters if path_params: path_params = self.sanitize_for_serialization(path_params) path_params = self.parameters_to_tuples(path_params, collection_formats) for k, v in path_params: # specified safe chars, encode everything resource_path = resource_path.replace( '{%s}' % k, quote(str(v), safe=config.safe_chars_for_path_param) ) # query parameters if query_params: query_params = self.sanitize_for_serialization(query_params) query_params = self.parameters_to_tuples(query_params, collection_formats) # post parameters if post_params or files: post_params = post_params if post_params else [] post_params = self.sanitize_for_serialization(post_params) post_params = self.parameters_to_tuples(post_params, collection_formats) post_params.extend(self.files_parameters(files)) # auth setting self.update_params_for_auth(header_params, query_params, auth_settings) # body if body: body = self.sanitize_for_serialization(body) # request url if _host is None: url = self.configuration.host + resource_path else: # use server/host defined in path or operation instead url = _host + resource_path # perform request and return response > response_data = self.request( method, url, query_params=query_params, headers=header_params, post_params=post_params, body=body, _preload_content=_preload_content, _request_timeout=_request_timeout) ../../python/kserve/.venv/lib64/python3.11/site-packages/kubernetes/client/api_client.py:180: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <kubernetes.client.api_client.ApiClient object at 0x7f76dda02510> method = 'GET' url = 'https://adb78a939fa8f407d825745d958bee2a-a7ae7fcfb3198062.elb.us-east-1.amazonaws.com:6443/apis/serving.kserve.io/v1alpha1/namespaces/kserve-ci-e2e-test/llminferenceservices/llmisvc-model-fb-opt-125m-route-3c960099' query_params = [] headers = {'Accept': 'application/json', 'Content-Type': 'application/json', 'User-Agent': 'OpenAPI-Generator/32.0.1/python'} post_params = [], body = None, _preload_content = True, _request_timeout = None def request(self, method, url, query_params=None, headers=None, post_params=None, body=None, _preload_content=True, _request_timeout=None): """Makes the HTTP request using RESTClient.""" if method == "GET": > return self.rest_client.GET(url, query_params=query_params, _preload_content=_preload_content, _request_timeout=_request_timeout, ../../python/kserve/.venv/lib64/python3.11/site-packages/kubernetes/client/api_client.py:373: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <kubernetes.client.rest.RESTClientObject object at 0x7f76dda02a90> url = 'https://adb78a939fa8f407d825745d958bee2a-a7ae7fcfb3198062.elb.us-east-1.amazonaws.com:6443/apis/serving.kserve.io/v1alpha1/namespaces/kserve-ci-e2e-test/llminferenceservices/llmisvc-model-fb-opt-125m-route-3c960099' headers = {'Accept': 'application/json', 'Content-Type': 'application/json', 'User-Agent': 'OpenAPI-Generator/32.0.1/python'} query_params = [], _preload_content = True, _request_timeout = None def GET(self, url, headers=None, query_params=None, _preload_content=True, _request_timeout=None): > return self.request("GET", url, headers=headers, _preload_content=_preload_content, _request_timeout=_request_timeout, query_params=query_params) ../../python/kserve/.venv/lib64/python3.11/site-packages/kubernetes/client/rest.py:244: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <kubernetes.client.rest.RESTClientObject object at 0x7f76dda02a90> method = 'GET' url = 'https://adb78a939fa8f407d825745d958bee2a-a7ae7fcfb3198062.elb.us-east-1.amazonaws.com:6443/apis/serving.kserve.io/v1alpha1/namespaces/kserve-ci-e2e-test/llminferenceservices/llmisvc-model-fb-opt-125m-route-3c960099' query_params = [] headers = {'Accept': 'application/json', 'Content-Type': 'application/json', 'User-Agent': 'OpenAPI-Generator/32.0.1/python'} body = None, post_params = {}, _preload_content = True, _request_timeout = None def request(self, method, url, query_params=None, headers=None, body=None, post_params=None, _preload_content=True, _request_timeout=None): """Perform requests. :param method: http request method :param url: http request url :param query_params: query parameters in the url :param headers: http request headers :param body: request json body, for `application/json` :param post_params: request post parameters, `application/x-www-form-urlencoded` and `multipart/form-data` :param _preload_content: if False, the urllib3.HTTPResponse object will be returned without reading/decoding response data. Default is True. :param _request_timeout: timeout setting for this request. If one number provided, it will be total request timeout. It can also be a pair (tuple) of (connection, read) timeouts. """ method = method.upper() assert method in ['GET', 'HEAD', 'DELETE', 'POST', 'PUT', 'PATCH', 'OPTIONS'] if post_params and body: raise ApiValueError( "body parameter cannot be used with post_params parameter." ) post_params = post_params or {} headers = headers or {} timeout = None if _request_timeout: if isinstance(_request_timeout, (int, ) if six.PY3 else (int, long)): # noqa: E501,F821 timeout = urllib3.Timeout(total=_request_timeout) elif (isinstance(_request_timeout, tuple) and len(_request_timeout) == 2): timeout = urllib3.Timeout( connect=_request_timeout[0], read=_request_timeout[1]) if 'Content-Type' not in headers: headers['Content-Type'] = 'application/json' try: # For `POST`, `PUT`, `PATCH`, `OPTIONS`, `DELETE` if method in ['POST', 'PUT', 'PATCH', 'OPTIONS', 'DELETE']: if query_params: url += '?' + urlencode(query_params) if (re.search('json', headers['Content-Type'], re.IGNORECASE) or headers['Content-Type'] == 'application/apply-patch+yaml'): if headers['Content-Type'] == 'application/json-patch+json': if not isinstance(body, list): headers['Content-Type'] = \ 'application/strategic-merge-patch+json' request_body = None if body is not None: request_body = json.dumps(body) r = self.pool_manager.request( method, url, body=request_body, preload_content=_preload_content, timeout=timeout, headers=headers) elif headers['Content-Type'] == 'application/x-www-form-urlencoded': # noqa: E501 r = self.pool_manager.request( method, url, fields=post_params, encode_multipart=False, preload_content=_preload_content, timeout=timeout, headers=headers) elif headers['Content-Type'] == 'multipart/form-data': # must del headers['Content-Type'], or the correct # Content-Type which generated by urllib3 will be # overwritten. del headers['Content-Type'] r = self.pool_manager.request( method, url, fields=post_params, encode_multipart=True, preload_content=_preload_content, timeout=timeout, headers=headers) # Pass a `string` parameter directly in the body to support # other content types than Json when `body` argument is # provided in serialized form elif isinstance(body, str) or isinstance(body, bytes): request_body = body r = self.pool_manager.request( method, url, body=request_body, preload_content=_preload_content, timeout=timeout, headers=headers) else: # Cannot generate the request from given parameters msg = """Cannot prepare a request message for provided arguments. Please check that your arguments match declared content type.""" raise ApiException(status=0, reason=msg) # For `GET`, `HEAD` else: r = self.pool_manager.request(method, url, fields=query_params, preload_content=_preload_content, timeout=timeout, headers=headers) except urllib3.exceptions.SSLError as e: msg = "{0}\n{1}".format(type(e).__name__, str(e)) raise ApiException(status=0, reason=msg) if _preload_content: r = RESTResponse(r) # In the python 3, the response.data is bytes. # we need to decode it to string. if six.PY3: r.data = r.data.decode('utf8') # log response body logger.debug("response body: %s", r.data) if not 200 <= r.status <= 299: > raise ApiException(http_resp=r) E kubernetes.client.exceptions.ApiException: (500) E Reason: Internal Server Error E HTTP response headers: HTTPHeaderDict({'Audit-Id': '7bb31cce-710f-4bba-b557-028b2bcbd6cc', 'Cache-Control': 'no-cache, private', 'Content-Type': 'application/json', 'Strict-Transport-Security': 'max-age=31536000; includeSubDomains; preload', 'X-Kubernetes-Pf-Flowschema-Uid': 'bcb7ec10-2118-4bd2-9d3c-781420cc0205', 'X-Kubernetes-Pf-Prioritylevel-Uid': '7fd83129-5089-4257-8f6c-07bea58f7ffd', 'Date': 'Thu, 02 Jul 2026 15:44:00 GMT', 'Content-Length': '330'}) E HTTP response body: {"kind":"Status","apiVersion":"v1","metadata":{},"status":"Failure","message":"conversion webhook for serving.kserve.io/v1alpha2, Kind=LLMInferenceService failed: Post \"https://llmisvc-webhook-server-service.kserve.svc:443/convert?timeout=30s\": no endpoints available for service \"llmisvc-webhook-server-service\"","code":500} ../../python/kserve/.venv/lib64/python3.11/site-packages/kubernetes/client/rest.py:238: ApiException The above exception was the direct cause of the following exception: kserve_client = <kserve.api.kserve_client.KServeClient object at 0x7f76dc64df10> llm_isvc = {'api_version': 'serving.kserve.io/v1alpha1', 'kind': 'LLMInferenceService', 'metadata': {'annotations': {'security....llmisvc-mod-5c1136e5'}, {'name': 'model-fb-opt-125m-llmisvc-model-7a2ca70d'}]}, 'status': None} @log_execution def get_llm_service_url( kserve_client: KServeClient, llm_isvc: V1alpha1LLMInferenceService ): service_name = llm_isvc.metadata.name try: > llm_isvc = get_llmisvc( kserve_client, llm_isvc.metadata.name, llm_isvc.metadata.namespace, llm_isvc.api_version.split("/")[1], ) llmisvc/test_llm_inference_service.py:1131: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ kserve_client = <kserve.api.kserve_client.KServeClient object at 0x7f76dc64df10> name = 'llmisvc-model-fb-opt-125m-route-3c960099' namespace = 'kserve-ci-e2e-test', version = 'v1alpha1' def get_llmisvc( kserve_client: KServeClient, name, namespace, version=constants.KSERVE_V1ALPHA1_VERSION, ): try: return kserve_client.api_instance.get_namespaced_custom_object( constants.KSERVE_GROUP, version, namespace, KSERVE_PLURAL_LLMINFERENCESERVICE, name, ) except client.rest.ApiException as e: > raise RuntimeError( f"❌ Exception when calling CustomObjectsApi->" f"get_namespaced_custom_object for LLMInferenceService: {e}" ) from e E RuntimeError: ❌ Exception when calling CustomObjectsApi->get_namespaced_custom_object for LLMInferenceService: (500) E Reason: Internal Server Error E HTTP response headers: HTTPHeaderDict({'Audit-Id': '7bb31cce-710f-4bba-b557-028b2bcbd6cc', 'Cache-Control': 'no-cache, private', 'Content-Type': 'application/json', 'Strict-Transport-Security': 'max-age=31536000; includeSubDomains; preload', 'X-Kubernetes-Pf-Flowschema-Uid': 'bcb7ec10-2118-4bd2-9d3c-781420cc0205', 'X-Kubernetes-Pf-Prioritylevel-Uid': '7fd83129-5089-4257-8f6c-07bea58f7ffd', 'Date': 'Thu, 02 Jul 2026 15:44:00 GMT', 'Content-Length': '330'}) E HTTP response body: {"kind":"Status","apiVersion":"v1","metadata":{},"status":"Failure","message":"conversion webhook for serving.kserve.io/v1alpha2, Kind=LLMInferenceService failed: Post \"https://llmisvc-webhook-server-service.kserve.svc:443/convert?timeout=30s\": no endpoints available for service \"llmisvc-webhook-server-service\"","code":500} llmisvc/test_llm_inference_service.py:1051: RuntimeError The above exception was the direct cause of the following exception: def get_successful_response(): try: if test_case.url_getter: service_url = test_case.url_getter(kserve_client, test_case.llm_service) else: > service_url = get_llm_service_url(kserve_client, test_case.llm_service) llmisvc/test_llm_inference_service.py:1069: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ args = (<kserve.api.kserve_client.KServeClient object at 0x7f76dc64df10>, {'api_version': 'serving.kserve.io/v1alpha1', 'kin...lmisvc-mod-5c1136e5'}, {'name': 'model-fb-opt-125m-llmisvc-model-7a2ca70d'}]}, 'status': None}) kwargs = {}, func_name = 'get_llm_service_url' timestamp_start = '2026-07-02T15:44:00.756651', start_time = 1783007040.7572188 duration = 0.007519721984863281, timestamp_end = '2026-07-02T15:44:00.764740' @functools.wraps(func) def wrapper(*args, **kwargs): func_name = func.__name__ timestamp_start = datetime.now().isoformat() logger.info( f"[{func_name}] [{timestamp_start}] start - args={args}, kwargs={kwargs}" ) start_time = time.time() try: > result = func(*args, **kwargs) llmisvc/logging.py:40: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ kserve_client = <kserve.api.kserve_client.KServeClient object at 0x7f76dc64df10> llm_isvc = {'api_version': 'serving.kserve.io/v1alpha1', 'kind': 'LLMInferenceService', 'metadata': {'annotations': {'security....llmisvc-mod-5c1136e5'}, {'name': 'model-fb-opt-125m-llmisvc-model-7a2ca70d'}]}, 'status': None} @log_execution def get_llm_service_url( kserve_client: KServeClient, llm_isvc: V1alpha1LLMInferenceService ): service_name = llm_isvc.metadata.name try: llm_isvc = get_llmisvc( kserve_client, llm_isvc.metadata.name, llm_isvc.metadata.namespace, llm_isvc.api_version.split("/")[1], ) if "status" not in llm_isvc: raise ValueError( f"❌ No status found in LLM inference service {service_name} status: {llm_isvc}" ) status = llm_isvc["status"] if "url" in status and status["url"]: return status["url"] if ( "addresses" in status and status["addresses"] and len(status["addresses"]) > 0 ): first_address = status["addresses"][0] if "url" in first_address: return first_address["url"] raise ValueError( f"❌ No URL found in LLM inference service {service_name} status" ) except Exception as e: > raise ValueError( f"❌ Failed to get URL for LLM inference service {service_name}: {e}" ) from e E ValueError: ❌ Failed to get URL for LLM inference service llmisvc-model-fb-opt-125m-route-3c960099: ❌ Exception when calling CustomObjectsApi->get_namespaced_custom_object for LLMInferenceService: (500) E Reason: Internal Server Error E HTTP response headers: HTTPHeaderDict({'Audit-Id': '7bb31cce-710f-4bba-b557-028b2bcbd6cc', 'Cache-Control': 'no-cache, private', 'Content-Type': 'application/json', 'Strict-Transport-Security': 'max-age=31536000; includeSubDomains; preload', 'X-Kubernetes-Pf-Flowschema-Uid': 'bcb7ec10-2118-4bd2-9d3c-781420cc0205', 'X-Kubernetes-Pf-Prioritylevel-Uid': '7fd83129-5089-4257-8f6c-07bea58f7ffd', 'Date': 'Thu, 02 Jul 2026 15:44:00 GMT', 'Content-Length': '330'}) E HTTP response body: {"kind":"Status","apiVersion":"v1","metadata":{},"status":"Failure","message":"conversion webhook for serving.kserve.io/v1alpha2, Kind=LLMInferenceService failed: Post \"https://llmisvc-webhook-server-service.kserve.svc:443/convert?timeout=30s\": no endpoints available for service \"llmisvc-webhook-server-service\"","code":500} llmisvc/test_llm_inference_service.py:1162: ValueError The above exception was the direct cause of the following exception: test_case = TestCase(base_refs=['router-no-scheduler', 'workload-single-cpu', 'model-fb-opt-125m'], prompt='What is KServe?', serv... {'name': 'model-fb-opt-125m-llmisvc-model-7a2ca70d'}]}, 'status': None}, model_name='facebook/opt-125m') @pytest.mark.llminferenceservice @pytest.mark.asyncio(loop_scope="session") @pytest.mark.parametrize( "test_case", [ pytest.param( TestCase( base_refs=[ "router-with-gateway-ref", "router-with-managed-route", "model-fb-opt-125m", "workload-llmd-simulator", ], endpoint="/v1/completions", prompt="KServe is a", payload_formatter=completions_payload, response_assertion=create_response_assertion(with_field="choices"), expected_gateway=ROUTER_GATEWAYS[0], before_test=[ lambda: create_router_resources( gateways=[ROUTER_GATEWAYS[0]], ) ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, pytest.mark.custom_gateway, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-fb-opt-125m", ], prompt="KServe is a", payload_formatter=completions_payload, response_assertion=assert_200_with_choices, ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-custom-route-timeout", "scheduler-managed", "workload-single-cpu", "model-fb-opt-125m", ], prompt="KServe is a", service_name="custom-route-timeout-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-with-refs", "scheduler-managed", "workload-single-cpu", "model-fb-opt-125m", ], prompt="KServe is a", service_name="router-with-refs-test", expected_gateway=ROUTER_GATEWAYS[0], before_test=[ lambda: create_router_resources( gateways=[ROUTER_GATEWAYS[0]], routes=[ROUTER_ROUTES[0], ROUTER_ROUTES[1]], ) ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.custom_gateway, ], ), pytest.param( TestCase( base_refs=["router-managed", "workload-pd-cpu", "model-fb-opt-125m"], prompt="You are an expert in Kubernetes-native machine learning serving platforms, with deep knowledge of the KServe project. " "Explain the challenges of serving large-scale models, GPU scheduling, and how KServe integrates with capabilities like multi-model serving. " "Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", response_assertion=assert_200_with_choices, ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-custom-route-timeout-pd", "scheduler-managed", "workload-pd-cpu", "model-fb-opt-125m", ], prompt="You are an expert in Kubernetes-native machine learning serving platforms, with deep knowledge of the KServe project. " "Explain the challenges of serving large-scale models, GPU scheduling, and how KServe integrates with capabilities like multi-model serving. " "Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", service_name="custom-route-timeout-pd-test", response_assertion=assert_200_with_choices, ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-with-refs-pd", "scheduler-managed", "workload-pd-cpu", "model-fb-opt-125m", ], prompt="You are an expert in Kubernetes-native machine learning serving platforms, with deep knowledge of the KServe project. " "Explain the challenges of serving large-scale models, GPU scheduling, and how KServe integrates with capabilities like multi-model serving. " "Provide a detailed comparison with open source alternatives, focusing on operational trade-offs.", service_name="router-with-refs-pd-test", response_assertion=assert_200_with_choices, expected_gateway=ROUTER_GATEWAYS[1], before_test=[ lambda: create_router_resources( gateways=[ROUTER_GATEWAYS[1]], routes=[ROUTER_ROUTES[2], ROUTER_ROUTES[3]], ) ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.custom_gateway, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-dp-ep-gpu", "workload-dp-ep-prefill-gpu", "model-deepseek-v2-lite", ], prompt="Delve into the multifaceted implications of a fully disaggregated cloud architecture, specifically " "where the compute plane (P) and the data plane (D) are independently deployed and managed for a " "geographically distributed, high-throughput, low-latency microservices ecosystem. Beyond the " "fundamental challenges of network latency and data consistency, elaborate on the advanced " "considerations and trade-offs inherent in such a setup: 1. Network Architecture and Protocols: " "How would the network fabric and underlying protocols (e.g., RDMA, custom transport layers) need to " "evolve to support optimal performance and minimize inter-plane communication overhead, especially for " "synchronous operations? Discuss the role of network programmability (e.g., SDN, P4) in dynamically " "optimizing routing and traffic flow between P and D. 2. Advanced Data Consistency and Durability: " "Explore sophisticated data consistency models (e.g., causal consistency, strong eventual consistency) " "and their applicability in balancing performance and data integrity across a globally distributed data plane. " "Detail strategies for ensuring data durability and fault tolerance, including multi-region replication, " "intelligent partitioning, and recovery mechanisms in the event of partial or full plane failures. " "3. Dynamic Resource Orchestration and Cost Optimization: Analyze how an orchestration layer would intelligently " "manage the independent scaling of compute (P) and data (D) resources, considering fluctuating workloads, " "cost efficiency, and performance targets (e.g., using predictive analytics for resource provisioning). " "Discuss mechanisms for dynamically reallocating compute nodes to different data partitions based on " "workload patterns and data locality, potentially involving live migration strategies. " "4. Security and Compliance in a Distributed Landscape: Address the enhanced security perimeter " "challenges, including securing communication channels between P and D (encryption in transit, mutual TLS), " "fine-grained access control to data at rest and in motion, and identity management across disaggregated " "components. Discuss how such an architecture impacts compliance with regulatory frameworks (e.g., GDPR, HIPAA) " "concerning data sovereignty, privacy, and auditability. 5. Operational Complexity and Observability: " "Examine the increased complexity in monitoring, logging, and tracing across highly decoupled compute and " "data planes. What specialized tooling and practices (e.g., distributed tracing with OpenTelemetry, advanced AIOps) " "would be essential? How would incident response and troubleshooting differ in this disaggregated environment " "compared to traditional integrated systems? Consider the challenges of pinpointing root causes across " "independent failures. 6. Real-world Applicability and Future Trends: Identify specific industries " "or use cases (e.g., high-frequency trading, IoT edge processing, large language model inference) " "where the benefits of P/D disaggregation would strongly outweigh its complexities. " "Conclude by speculating on emerging technologies or paradigms (e.g., serverless compute functions " "directly interacting with object storage, in-memory disaggregation) that could further drive or " "transform P/D disaggregation in cloud computing.", max_tokens=2000, ), marks=[ pytest.mark.cluster_gpu, pytest.mark.cluster_nvidia, pytest.mark.cluster_nvidia_roce, ], ), pytest.param( TestCase( base_refs=[ "router-no-scheduler", "workload-single-cpu", "model-fb-opt-125m", ], prompt="What is KServe?", ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.no_scheduler, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-simulated-dp-ep-cpu", "model-fb-opt-125m", ], prompt="This test simulates DP+EP that can run on CPU, the idea is to test the LWS-based deployment, " "but without the resources requirements for DP+EP (GPUs and ROCe/IB).", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_multi_node], ), # Scheduler config tests pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-inline-config", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-inline-config-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), # Chat completions endpoint coverage pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", "model-qwen2.5-0.5b", ], model_name="Qwen/Qwen2.5-0.5B-Instruct", endpoint="/v1/chat/completions", prompt="What is KServe?", payload_formatter=chat_completions_payload, response_assertion=create_response_assertion(with_field="choices"), ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-configmap-ref", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-configmap-ref-test", before_test=[create_scheduler_configmap], after_test=[delete_scheduler_configmap], ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-replicas", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-ha-replicas-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-custom-template", "workload-llmd-simulator", ], prompt="KServe is a", service_name="scheduler-custom-template-test", ), marks=[pytest.mark.cluster_cpu, pytest.mark.cluster_single_node], ), # Scheduler v0.6 → v0.7 migration tests. # Deploy v0.6-style configs and verify the controller migrates them # so the v0.7 scheduler boots successfully. pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-v06-pd-config-migration", "workload-llmd-simulator-pd", ], prompt="KServe is a", service_name="scheduler-v06-pd-migration-test", response_assertion=assert_200_with_choices, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-v06-nonzero-threshold-migration", "workload-llmd-simulator-pd", ], prompt="KServe is a", service_name="scheduler-v06-threshold-migration-test", response_assertion=assert_200_with_choices, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), # Precise prefix KV cache routing test pytest.param( TestCase( base_refs=[ "router-managed", "scheduler-with-precise-prefix-cache-inline-config", "workload-llmd-simulator-kvcache", ], prompt="KServe is a", service_name="precise-prefix-cache-test", ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), # Models endpoint coverage pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", ], endpoint="/v1/models", response_assertion=create_response_assertion(with_field="data"), ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, ], ), # Model-based routing via X-Gateway-Model-Name header — /v1/completions pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", ], endpoint="/v1/completions", prompt="KServe is a", payload_formatter=completions_payload, response_assertion=assert_model_field_matches("facebook/opt-125m"), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", }, peers=[ TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", "model-qwen2.5-0.5b", ], endpoint="/v1/completions", prompt="KServe is a", payload_formatter=completions_payload, response_assertion=assert_model_field_matches( "Qwen/Qwen2.5-0.5B-Instruct" ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/Qwen/Qwen2.5-0.5B-Instruct", }, ), ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, pytest.mark.model_routing, ], ), # Model-based routing via X-Gateway-Model-Name header — /v1/chat/completions pytest.param( TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", ], endpoint="/v1/chat/completions", prompt="What is KServe?", payload_formatter=chat_completions_payload, response_assertion=assert_model_field_matches("facebook/opt-125m"), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", }, peers=[ TestCase( base_refs=[ "router-managed", "workload-llmd-simulator", "model-qwen2.5-0.5b", ], endpoint="/v1/chat/completions", prompt="What is KServe?", payload_formatter=chat_completions_payload, response_assertion=assert_model_field_matches( "Qwen/Qwen2.5-0.5B-Instruct" ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/Qwen/Qwen2.5-0.5B-Instruct", }, ), ], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.llmd_simulator, pytest.mark.model_routing, ], ), # Model-based routing via X-Gateway-Model-Name header — LoRA adapter pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-fb-opt-125m-with-lora-hf", ], endpoint="/v1/completions", prompt="KServe is a", model_name=f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1", payload_formatter=completions_payload, response_assertion=assert_model_field_matches( f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1" ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1", }, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.model_routing, pytest.mark.lora, ], ), # Model-based routing via X-Gateway-Model-Name header — /v1/models (base + LoRA) pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-fb-opt-125m-with-lora-hf", ], endpoint="/v1/models", response_assertion=assert_models_contains( "facebook/opt-125m", f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", "lora-adapter-1", f"publishers/{KSERVE_TEST_NAMESPACE}/models/lora-adapter-1", ), url_getter=get_model_routing_url, extra_headers={ MODEL_ROUTING_HEADER: f"publishers/{KSERVE_TEST_NAMESPACE}/models/facebook/opt-125m", }, ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.model_routing, pytest.mark.lora, ], ), # PVC storage tests -- validate direct PVC volume mount with real vLLM serving pytest.param( TestCase( base_refs=[ "router-managed", "workload-single-cpu", "model-pvc", ], prompt="KServe is a", response_assertion=assert_200_with_choices, before_test=[ensure_pvc_with_model], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.pvc_storage, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-pd-cpu", "model-pvc", ], prompt="KServe is a", response_assertion=assert_200_with_choices, before_test=[ensure_pvc_with_model], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_single_node, pytest.mark.pvc_storage, ], ), pytest.param( TestCase( base_refs=[ "router-managed", "workload-simulated-dp-ep-cpu", "model-pvc", ], prompt="KServe is a", before_test=[ensure_pvc_with_model], ), marks=[ pytest.mark.cluster_cpu, pytest.mark.cluster_multi_node, pytest.mark.pvc_storage, ], ), ], indirect=["test_case"], ids=generate_test_id, ) @log_execution def test_llm_inference_service(test_case: TestCase): # noqa: F811 inject_k8s_proxy() kserve_client = KServeClient( config_file=os.environ.get("KUBECONFIG", "~/.kube/config"), client_configuration=client.Configuration(), ) service_name = test_case.llm_service.metadata.name if not test_case.llm_service.metadata.annotations: test_case.llm_service.metadata.annotations = {} test_case.llm_service.metadata.annotations[ "security.opendatahub.io/enable-auth" ] = "false" prefix = test_case.log_prefix test_failed = False try: print(f"{prefix} Creating LLMInferenceService {service_name}") create_llmisvc(kserve_client, test_case.llm_service) print(f"{prefix} Waiting for LLMInferenceService {service_name} to be ready") wait_for_llm_isvc_ready( kserve_client, test_case.llm_service, test_case.wait_timeout ) print(f"{prefix} Waiting for model response from {service_name}") > wait_for_model_response( kserve_client, test_case, test_case.wait_timeout, extra_headers=test_case.extra_headers, ) llmisvc/test_llm_inference_service.py:816: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ args = (<kserve.api.kserve_client.KServeClient object at 0x7f76dc64df10>, TestCase(base_refs=['router-no-scheduler', 'workloa... {'name': 'model-fb-opt-125m-llmisvc-model-7a2ca70d'}]}, 'status': None}, model_name='facebook/opt-125m'), 900) kwargs = {'extra_headers': None}, func_name = 'wait_for_model_response' timestamp_start = '2026-07-02T15:28:55.872925', start_time = 1783006135.8732142 duration = 904.8917145729065, timestamp_end = '2026-07-02T15:44:00.764929' @functools.wraps(func) def wrapper(*args, **kwargs): func_name = func.__name__ timestamp_start = datetime.now().isoformat() logger.info( f"[{func_name}] [{timestamp_start}] start - args={args}, kwargs={kwargs}" ) start_time = time.time() try: > result = func(*args, **kwargs) llmisvc/logging.py:40: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ kserve_client = <kserve.api.kserve_client.KServeClient object at 0x7f76dc64df10> test_case = TestCase(base_refs=['router-no-scheduler', 'workload-single-cpu', 'model-fb-opt-125m'], prompt='What is KServe?', serv... {'name': 'model-fb-opt-125m-llmisvc-model-7a2ca70d'}]}, 'status': None}, model_name='facebook/opt-125m') timeout_seconds = 900, extra_headers = None @log_execution def wait_for_model_response( kserve_client: KServeClient, test_case: TestCase, # noqa: F811 timeout_seconds: int = 900, extra_headers: Optional[Dict[str, str]] = None, ) -> str: def get_successful_response(): try: if test_case.url_getter: service_url = test_case.url_getter(kserve_client, test_case.llm_service) else: service_url = get_llm_service_url(kserve_client, test_case.llm_service) except Exception as e: raise AssertionError(f"❌ Failed to get service URL: {e}") from e model_url = service_url + test_case.endpoint headers = {"Content-Type": "application/json"} if extra_headers: headers.update(extra_headers) if test_case.payload_formatter is not None: test_payload = test_case.payload_formatter(test_case) elif test_case.prompt is not None: test_payload = { "model": test_case.model_name if not extra_headers or MODEL_ROUTING_HEADER not in extra_headers else extra_headers[MODEL_ROUTING_HEADER], "prompt": test_case.prompt, "max_tokens": test_case.max_tokens, } else: test_payload = None logger.info(f"Calling LLM service at {model_url} with payload {test_payload}") try: if test_payload is not None: response = post_with_retry( model_url, headers=headers, json_data=test_payload, timeout=test_case.response_timeout, ) else: response = get_with_retry( model_url, headers=headers, timeout=test_case.response_timeout, ) except Exception as e: logger.error(f"❌ Failed to call model: {e}") raise AssertionError(f"❌ Failed to call model: {e}") from e logger.info(f"Model response is {response.status_code}: {response.text[:500]}") if 200 <= response.status_code < 300: return response raise AssertionError( f"Service returned {response.status_code}: {response.text}" ) > response = wait_for(get_successful_response, timeout=timeout_seconds, interval=5.0) llmisvc/test_llm_inference_service.py:1119: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ assertion_fn = <function wait_for_model_response.<locals>.get_successful_response at 0x7f76dda51e40> timeout = 900, interval = 5.0 def wait_for( assertion_fn: Callable[[], Any], timeout: float = 5.0, interval: float = 0.1 ) -> Any: """Wait for the assertion to succeed within timeout.""" deadline = time.time() + timeout last_msg = None while True: try: > return assertion_fn() llmisvc/test_llm_inference_service.py:1215: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ def get_successful_response(): try: if test_case.url_getter: service_url = test_case.url_getter(kserve_client, test_case.llm_service) else: service_url = get_llm_service_url(kserve_client, test_case.llm_service) except Exception as e: > raise AssertionError(f"❌ Failed to get service URL: {e}") from e E AssertionError: ❌ Failed to get service URL: ❌ Failed to get URL for LLM inference service llmisvc-model-fb-opt-125m-route-3c960099: ❌ Exception when calling CustomObjectsApi->get_namespaced_custom_object for LLMInferenceService: (500) E Reason: Internal Server Error E HTTP response headers: HTTPHeaderDict({'Audit-Id': '7bb31cce-710f-4bba-b557-028b2bcbd6cc', 'Cache-Control': 'no-cache, private', 'Content-Type': 'application/json', 'Strict-Transport-Security': 'max-age=31536000; includeSubDomains; preload', 'X-Kubernetes-Pf-Flowschema-Uid': 'bcb7ec10-2118-4bd2-9d3c-781420cc0205', 'X-Kubernetes-Pf-Prioritylevel-Uid': '7fd83129-5089-4257-8f6c-07bea58f7ffd', 'Date': 'Thu, 02 Jul 2026 15:44:00 GMT', 'Content-Length': '330'}) E HTTP response body: {"kind":"Status","apiVersion":"v1","metadata":{},"status":"Failure","message":"conversion webhook for serving.kserve.io/v1alpha2, Kind=LLMInferenceService failed: Post \"https://llmisvc-webhook-server-service.kserve.svc:443/convert?timeout=30s\": no endpoints available for service \"llmisvc-webhook-server-service\"","code":500} llmisvc/test_llm_inference_service.py:1071: AssertionError