<?xml version="1.0" encoding="utf-8"?><testsuites><testsuite name="pytest" errors="2" failures="7" skipped="3" tests="65" time="5913.945" timestamp="2026-07-24T21:27:42.795776" hostname="kserve-group-test-kvrpf-e2e-llm-inference-service-pod"><testcase classname="" name="explainer.test_art_explainer" time="0.000"><skipped message="collection skipped">('/workspace/source/test/e2e/explainer/test_art_explainer.py', 48, 'Skipped: ODH does not support art explainer at the moment')</skipped></testcase><testcase classname="" name="predictor.test_grpc" time="0.000"><skipped message="collection skipped">('/workspace/source/test/e2e/predictor/test_grpc.py', 39, 'Skipped: Not testable in ODH at the moment')</skipped></testcase><testcase classname="" name="predictor.test_torchserve" time="0.000"><skipped message="collection skipped">('/workspace/source/test/e2e/predictor/test_torchserve.py', 34, 'Skipped: ODH does not support torchserve at the moment')</skipped></testcase><testcase classname="llmisvc.test_llm_inference_service" name="test_llm_inference_service[cluster_cpu-cluster_single_node-router-no-scheduler-workload-single-cpu-model-fb-opt-125m]" time="210.867" /><testcase classname="llmisvc.test_flow_control" name="test_flow_control_smoke[cluster_cpu-cluster_single_node-flow-control-utilization-detector]" time="87.444" /><testcase classname="llmisvc.test_flow_control" name="test_flow_control_smoke[cluster_cpu-cluster_single_node-flow-control-concurrency-detector]" time="77.279" /><testcase classname="llmisvc.test_gateway_section_name" name="test_gateway_section_name_propagation[cluster_single_node-cluster_cpu-with-section-name]" time="10.550" /><testcase classname="llmisvc.test_gateway_section_name" name="test_gateway_section_name_propagation[cluster_single_node-cluster_cpu-without-section-name]" time="16.880" /><testcase classname="llmisvc.test_llm_auth" name="test_llm_auth_enabled_requires_token[cluster_cpu-cluster_single_node-auth-enabled-default]" time="216.175" /><testcase classname="llmisvc.test_llm_inference_service" name="test_llm_inference_service[cluster_cpu-cluster_multi_node-router-managed-workload-simulated-dp-ep-cpu-model-fb-opt-125m]" time="218.032" /><testcase classname="llmisvc.test_llm_auth" name="test_llm_auth_invalid_token_rejected[cluster_cpu-cluster_single_node-auth-invalid-token]" time="154.836" /><testcase classname="llmisvc.test_llm_inference_service" name="test_llm_inference_service[cluster_cpu-cluster_single_node-router-managed-scheduler-with-inline-config-workload-llmd-simulator]" time="78.171" /><testcase classname="llmisvc.test_llm_inference_service" name="test_llm_inference_service[cluster_cpu-cluster_single_node-router-managed-workload-llmd-simulator-model-qwen2.5-0.5b]" time="107.598" /><testcase classname="llmisvc.test_llm_auth" name="test_llm_auth_disabled_no_token_required[cluster_cpu-cluster_single_node-auth-disabled]" time="167.431" /><testcase classname="llmisvc.test_llm_inference_service" name="test_llm_inference_service[cluster_cpu-cluster_single_node-router-managed-scheduler-with-configmap-ref-workload-llmd-simulator]" time="69.041" /><testcase classname="llmisvc.test_llm_inference_service" name="test_llm_inference_service[cluster_cpu-cluster_single_node-router-managed-scheduler-with-replicas-workload-llmd-simulator]" time="62.743" /><testcase classname="llmisvc.test_llm_autoscaling_wva" name="test_llm_autoscaling_hpa_deployment[cluster_cpu-cluster_single_node-router-managed-workload-llmd-simulator-no-replicas-prometheus-scrape-scaling-hpa]" time="921.284"><failure message="AssertionError: Missing true conditions: {'WorkloadsReady', 'Ready'}, expected {'WorkloadsReady', 'RouterReady', 'Ready'}, got [{'lastTransitionTime': '2026-07-24T21:40:52Z', 'severity': 'Info', 'status': 'True', 'type': 'HTTPRoutesReady'}, {'lastTransitionTime': '2026-07-24T21:40:52Z', 'severity': 'Info', 'status': 'True', 'type': 'InferencePoolReady'}, {'lastTransitionTime': '2026-07-24T21:40:52Z', 'severity': 'Info', 'status': 'True', 'type': 'MainWorkloadReady'}, {'lastTransitionTime': '2026-07-24T21:40:16Z', 'severity': 'Info', 'status': 'True', 'type': 'PresetsCombined'}, {'lastTransitionTime': '2026-07-24T21:40:52Z', 'message': 'the HPA was unable to compute the replica count: unable to get external metric e2e-test-llm-autoscaling-hpa-deployment-9ba6f3f4/wva_desired_replicas/&amp;LabelSelector{MatchLabels:map[string]string{variant_name: autoscale-hpa-deploy-kserve-hpa,},MatchExpressions:[]LabelSelectorRequirement{},}: unable to fetch metrics from external metrics API: scaledObject name is not specified', 'reason': 'FailedGetExternalMetric', 'status': 'False', 'type': 'Ready'}, {'lastTransitionTime': '2026-07-24T21:40:52Z', 'status': 'True', 'type': 'RouterReady'}, {'lastTransitionTime': '2026-07-24T21:40:52Z', 'message': 'the HPA was unable to compute the replica count: unable to get external metric e2e-test-llm-autoscaling-hpa-deployment-9ba6f3f4/wva_desired_replicas/&amp;LabelSelector{MatchLabels:map[string]string{variant_name: autoscale-hpa-deploy-kserve-hpa,},MatchExpressions:[]LabelSelectorRequirement{},}: unable to fetch metrics from external metrics API: scaledObject name is not specified', 'reason': 'FailedGetExternalMetric', 'severity': 'Info', 'status': 'False', 'type': 'ScalingReady'}, {'lastTransitionTime': '2026-07-24T21:40:52Z', 'severity': 'Info', 'status': 'True', 'type': 'SchedulerWorkloadReady'}, {'lastTransitionTime': '2026-07-24T21:40:52Z', 'message': 'the HPA was unable to compute the replica count: unable to get external metric e2e-test-llm-autoscaling-hpa-deployment-9ba6f3f4/wva_desired_replicas/&amp;LabelSelector{MatchLabels:map[string]string{variant_name: autoscale-hpa-deploy-kserve-hpa,},MatchExpressions:[]LabelSelectorRequirement{},}: unable to fetch metrics from external metrics API: scaledObject name is not specified', 'reason': 'FailedGetExternalMetric', 'status': 'False', 'type': 'WorkloadsReady'}]">test_case = TestCase(base_refs=['router-managed', 'workload-llmd-simulator-no-replicas', 'prometheus-scrape', 'scaling-hpa'], prom...              {'name': 'scaling-hpa-autoscale-hpa-deplo-347a3180'}]},
 'status': None}, model_name='facebook/opt-125m')

    @pytest.mark.autoscaling_hpa
    @pytest.mark.parametrize(
        "test_case",
        [
            pytest.param(
                TestCase(
                    base_refs=[
                        "router-managed",
                        "workload-llmd-simulator-no-replicas",
                        "prometheus-scrape",
                        "scaling-hpa",
                    ],
                    prompt="KServe is a",
                    service_name="autoscale-hpa-deploy",
                ),
                marks=[
                    pytest.mark.cluster_cpu,
                    pytest.mark.cluster_single_node,
                    pytest.mark.llmd_simulator,
                ],
            ),
        ],
        indirect=["test_case"],
        ids=generate_test_id,
    )
    @log_execution
    def test_llm_autoscaling_hpa_deployment(test_case: TestCase):
        """HPA + Deployment: HPA exists with WVA annotations; pods scale up under load."""
        inject_k8s_proxy()
        kserve_client = _new_kserve_client()
        service_name = test_case.llm_service.metadata.name
        ns = test_case.namespace
    
        try:
&gt;           _create_and_wait(kserve_client, test_case)

llmisvc/test_llm_autoscaling_wva.py:542: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

kserve_client = &lt;kserve.api.kserve_client.KServeClient object at 0x7f3b9eba5690&gt;
test_case = TestCase(base_refs=['router-managed', 'workload-llmd-simulator-no-replicas', 'prometheus-scrape', 'scaling-hpa'], prom...              {'name': 'scaling-hpa-autoscale-hpa-deplo-347a3180'}]},
 'status': None}, model_name='facebook/opt-125m')

    def _create_and_wait(kserve_client, test_case):
        """Create LLMISVC and wait for it to be ready."""
        create_llmisvc(kserve_client, test_case.llm_service)
&gt;       wait_for_llm_isvc_ready(
            kserve_client, test_case.llm_service, test_case.wait_timeout
        )

llmisvc/test_llm_autoscaling_wva.py:482: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

args = (&lt;kserve.api.kserve_client.KServeClient object at 0x7f3b9eba5690&gt;, {'api_version': 'serving.kserve.io/v1alpha1',
 'kin...e-hpa-4c186bcf'},
                       {'name': 'scaling-hpa-autoscale-hpa-deplo-347a3180'}]},
 'status': None}, 900)
kwargs = {}, func_name = 'wait_for_llm_isvc_ready'
timestamp_start = '2026-07-24T21:39:56.728055', start_time = 1784929196.7283175
duration = 900.7940173149109, timestamp_end = '2026-07-24T21:54:57.522350'

    @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:
&gt;           result = func(*args, **kwargs)

llmisvc/logging.py:40: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

kserve_client = &lt;kserve.api.kserve_client.KServeClient object at 0x7f3b9eba5690&gt;
given = {'api_version': 'serving.kserve.io/v1alpha1',
 'kind': 'LLMInferenceService',
 'metadata': {'annotations': {'security....toscale-hpa-4c186bcf'},
                       {'name': 'scaling-hpa-autoscale-hpa-deplo-347a3180'}]},
 'status': None}
timeout_seconds = 900

    @log_execution
    def wait_for_llm_isvc_ready(
        kserve_client: KServeClient,
        given: V1alpha1LLMInferenceService,
        timeout_seconds: int = 900,
    ) -&gt; 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()
            all_condition_types = set()
    
            conditions = status["conditions"]
    
            for condition in conditions:
                ctype = condition.get("type")
                all_condition_types.add(ctype)
                if condition.get("status") == "True":
                    got_true_conditions.add(ctype)
    
            # When TokenizerReady is present, it must also be True
            if "TokenizerReady" in all_condition_types:
                expected_true_conditions.add("TokenizerReady")
    
            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
    
&gt;       return wait_for(assert_llm_isvc_ready, timeout=timeout_seconds, interval=1.0)

llmisvc/test_llm_inference_service.py:1376: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

assertion_fn = &lt;function wait_for_llm_isvc_ready.&lt;locals&gt;.assert_llm_isvc_ready at 0x7f3b9e65c860&gt;
timeout = 900, interval = 1.0

    def wait_for(
        assertion_fn: Callable[[], Any], timeout: float = 5.0, interval: float = 0.1
    ) -&gt; Any:
        """Wait for the assertion to succeed within timeout."""
        deadline = time.time() + timeout
        last_msg = None
        while True:
            try:
&gt;               return assertion_fn()

llmisvc/test_llm_inference_service.py:1387: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

    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()
        all_condition_types = set()
    
        conditions = status["conditions"]
    
        for condition in conditions:
            ctype = condition.get("type")
            all_condition_types.add(ctype)
            if condition.get("status") == "True":
                got_true_conditions.add(ctype)
    
        # When TokenizerReady is present, it must also be True
        if "TokenizerReady" in all_condition_types:
            expected_true_conditions.add("TokenizerReady")
    
        missing_conditions = expected_true_conditions - got_true_conditions
        if missing_conditions:
&gt;           raise AssertionError(
                f"Missing true conditions: {missing_conditions}, expected {expected_true_conditions}, got {conditions}"
            )
E           AssertionError: Missing true conditions: {'WorkloadsReady', 'Ready'}, expected {'WorkloadsReady', 'RouterReady', 'Ready'}, got [{'lastTransitionTime': '2026-07-24T21:40:52Z', 'severity': 'Info', 'status': 'True', 'type': 'HTTPRoutesReady'}, {'lastTransitionTime': '2026-07-24T21:40:52Z', 'severity': 'Info', 'status': 'True', 'type': 'InferencePoolReady'}, {'lastTransitionTime': '2026-07-24T21:40:52Z', 'severity': 'Info', 'status': 'True', 'type': 'MainWorkloadReady'}, {'lastTransitionTime': '2026-07-24T21:40:16Z', 'severity': 'Info', 'status': 'True', 'type': 'PresetsCombined'}, {'lastTransitionTime': '2026-07-24T21:40:52Z', 'message': 'the HPA was unable to compute the replica count: unable to get external metric e2e-test-llm-autoscaling-hpa-deployment-9ba6f3f4/wva_desired_replicas/&amp;LabelSelector{MatchLabels:map[string]string{variant_name: autoscale-hpa-deploy-kserve-hpa,},MatchExpressions:[]LabelSelectorRequirement{},}: unable to fetch metrics from external metrics API: scaledObject name is not specified', 'reason': 'FailedGetExternalMetric', 'status': 'False', 'type': 'Ready'}, {'lastTransitionTime': '2026-07-24T21:40:52Z', 'status': 'True', 'type': 'RouterReady'}, {'lastTransitionTime': '2026-07-24T21:40:52Z', 'message': 'the HPA was unable to compute the replica count: unable to get external metric e2e-test-llm-autoscaling-hpa-deployment-9ba6f3f4/wva_desired_replicas/&amp;LabelSelector{MatchLabels:map[string]string{variant_name: autoscale-hpa-deploy-kserve-hpa,},MatchExpressions:[]LabelSelectorRequirement{},}: unable to fetch metrics from external metrics API: scaledObject name is not specified', 'reason': 'FailedGetExternalMetric', 'severity': 'Info', 'status': 'False', 'type': 'ScalingReady'}, {'lastTransitionTime': '2026-07-24T21:40:52Z', 'severity': 'Info', 'status': 'True', 'type': 'SchedulerWorkloadReady'}, {'lastTransitionTime': '2026-07-24T21:40:52Z', 'message': 'the HPA was unable to compute the replica count: unable to get external metric e2e-test-llm-autoscaling-hpa-deployment-9ba6f3f4/wva_desired_replicas/&amp;LabelSelector{MatchLabels:map[string]string{variant_name: autoscale-hpa-deploy-kserve-hpa,},MatchExpressions:[]LabelSelectorRequirement{},}: unable to fetch metrics from external metrics API: scaledObject name is not specified', 'reason': 'FailedGetExternalMetric', 'status': 'False', 'type': 'WorkloadsReady'}]

llmisvc/test_llm_inference_service.py:1371: AssertionError</failure></testcase><testcase classname="llmisvc.test_llm_inference_service" name="test_llm_inference_service[cluster_cpu-cluster_single_node-router-managed-scheduler-with-custom-template-workload-llmd-simulator]" time="82.207" /><testcase classname="llmisvc.test_llm_inference_service" name="test_llm_inference_service[cluster_cpu-cluster_single_node-router-managed-scheduler-v06-pd-config-migration-workload-llmd-simulator-pd]" time="55.895" /><testcase classname="llmisvc.test_llm_inference_service" name="test_llm_inference_service[cluster_cpu-cluster_single_node-router-managed-scheduler-v06-nonzero-threshold-migration-workload-llmd-simulator-pd]" time="58.477" /><testcase classname="llmisvc.test_llm_inference_service" name="test_llm_inference_service[cluster_cpu-cluster_single_node-router-managed-scheduler-with-tokenizer-kvcache-workload-llmd-simulator-kvcache]" time="95.799" /><testcase classname="llmisvc.test_llm_inference_service" name="test_llm_inference_service[cluster_cpu-cluster_single_node-router-managed-scheduler-with-precise-prefix-cache-inline-config-workload-llmd-simulator-kvcache]" time="62.346" /><testcase classname="llmisvc.test_llm_inference_service" name="test_llm_inference_service[cluster_cpu-cluster_single_node-router-managed-workload-llmd-simulator0]" time="79.936" /><testcase classname="llmisvc.test_llm_inference_service" name="test_llm_inference_service[cluster_cpu-cluster_single_node-router-managed-workload-llmd-simulator1]" time="115.576" /><testcase classname="llmisvc.test_llm_inference_service" name="test_llm_inference_service[cluster_cpu-cluster_single_node-router-managed-workload-llmd-simulator2]" time="150.586" /><testcase classname="llmisvc.test_llm_inference_service" name="test_llm_inference_service[cluster_cpu-cluster_single_node-router-managed-workload-single-cpu-model-fb-opt-125m-with-lora-hf0]" time="151.792" /><testcase classname="llmisvc.test_llm_inference_service" name="test_llm_inference_service[cluster_cpu-cluster_single_node-router-managed-workload-single-cpu-model-fb-opt-125m-with-lora-hf1]" time="106.090" /><testcase classname="llmisvc.test_llm_autoscaling_wva" name="test_llm_autoscaling_keda_deployment[cluster_cpu-cluster_single_node-router-managed-workload-llmd-simulator-no-replicas-prometheus-scrape-scaling-keda]" time="925.851"><failure message="AssertionError: Missing true conditions: {'WorkloadsReady', 'Ready'}, expected {'WorkloadsReady', 'RouterReady', 'Ready'}, got [{'lastTransitionTime': '2026-07-24T21:55:30Z', 'severity': 'Info', 'status': 'True', 'type': 'HTTPRoutesReady'}, {'lastTransitionTime': '2026-07-24T21:55:30Z', 'severity': 'Info', 'status': 'True', 'type': 'InferencePoolReady'}, {'lastTransitionTime': '2026-07-24T21:55:31Z', 'severity': 'Info', 'status': 'True', 'type': 'MainWorkloadReady'}, {'lastTransitionTime': '2026-07-24T21:55:22Z', 'severity': 'Info', 'status': 'True', 'type': 'PresetsCombined'}, {'lastTransitionTime': '2026-07-24T21:55:52Z', 'message': 'failed to ensure HPA is correctly created for ScaledObject: error parsing prometheus metadata: error parsing prometheus metadata: bearer token=&lt;empty&gt; is required when bearer auth is enabled', 'reason': 'ScaledObjectCheckFailed', 'status': 'False', 'type': 'Ready'}, {'lastTransitionTime': '2026-07-24T21:55:52Z', 'status': 'True', 'type': 'RouterReady'}, {'lastTransitionTime': '2026-07-24T21:55:30Z', 'message': 'failed to ensure HPA is correctly created for ScaledObject: error parsing prometheus metadata: error parsing prometheus metadata: bearer token=&lt;empty&gt; is required when bearer auth is enabled', 'reason': 'ScaledObjectCheckFailed', 'severity': 'Info', 'status': 'False', 'type': 'ScalingReady'}, {'lastTransitionTime': '2026-07-24T21:55:52Z', 'severity': 'Info', 'status': 'True', 'type': 'SchedulerWorkloadReady'}, {'lastTransitionTime': '2026-07-24T21:55:31Z', 'message': 'failed to ensure HPA is correctly created for ScaledObject: error parsing prometheus metadata: error parsing prometheus metadata: bearer token=&lt;empty&gt; is required when bearer auth is enabled', 'reason': 'ScaledObjectCheckFailed', 'status': 'False', 'type': 'WorkloadsReady'}]">test_case = TestCase(base_refs=['router-managed', 'workload-llmd-simulator-no-replicas', 'prometheus-scrape', 'scaling-keda'], pro...              {'name': 'scaling-keda-autoscale-keda-dep-1ac84077'}]},
 'status': None}, model_name='facebook/opt-125m')

    @pytest.mark.autoscaling_keda
    @pytest.mark.parametrize(
        "test_case",
        [
            pytest.param(
                TestCase(
                    base_refs=[
                        "router-managed",
                        "workload-llmd-simulator-no-replicas",
                        "prometheus-scrape",
                        "scaling-keda",
                    ],
                    prompt="KServe is a",
                    service_name="autoscale-keda-deploy",
                ),
                marks=[
                    pytest.mark.cluster_cpu,
                    pytest.mark.cluster_single_node,
                    pytest.mark.llmd_simulator,
                ],
            ),
        ],
        indirect=["test_case"],
        ids=generate_test_id,
    )
    @log_execution
    def test_llm_autoscaling_keda_deployment(test_case: TestCase):
        """KEDA + Deployment: ScaledObject exists with WVA annotations; no HPA; pods scale up under load."""
        inject_k8s_proxy()
        kserve_client = _new_kserve_client()
        service_name = test_case.llm_service.metadata.name
        ns = test_case.namespace
    
        try:
&gt;           _create_and_wait(kserve_client, test_case)

llmisvc/test_llm_autoscaling_wva.py:606: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

kserve_client = &lt;kserve.api.kserve_client.KServeClient object at 0x7f3b9e4c4f50&gt;
test_case = TestCase(base_refs=['router-managed', 'workload-llmd-simulator-no-replicas', 'prometheus-scrape', 'scaling-keda'], pro...              {'name': 'scaling-keda-autoscale-keda-dep-1ac84077'}]},
 'status': None}, model_name='facebook/opt-125m')

    def _create_and_wait(kserve_client, test_case):
        """Create LLMISVC and wait for it to be ready."""
        create_llmisvc(kserve_client, test_case.llm_service)
&gt;       wait_for_llm_isvc_ready(
            kserve_client, test_case.llm_service, test_case.wait_timeout
        )

llmisvc/test_llm_autoscaling_wva.py:482: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

args = (&lt;kserve.api.kserve_client.KServeClient object at 0x7f3b9e4c4f50&gt;, {'api_version': 'serving.kserve.io/v1alpha1',
 'kin...e-ked-101f2a9d'},
                       {'name': 'scaling-keda-autoscale-keda-dep-1ac84077'}]},
 'status': None}, 900)
kwargs = {}, func_name = 'wait_for_llm_isvc_ready'
timestamp_start = '2026-07-24T21:55:18.201946', start_time = 1784930118.2024198
duration = 900.1929137706757, timestamp_end = '2026-07-24T22:10:18.395336'

    @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:
&gt;           result = func(*args, **kwargs)

llmisvc/logging.py:40: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

kserve_client = &lt;kserve.api.kserve_client.KServeClient object at 0x7f3b9e4c4f50&gt;
given = {'api_version': 'serving.kserve.io/v1alpha1',
 'kind': 'LLMInferenceService',
 'metadata': {'annotations': {'security....toscale-ked-101f2a9d'},
                       {'name': 'scaling-keda-autoscale-keda-dep-1ac84077'}]},
 'status': None}
timeout_seconds = 900

    @log_execution
    def wait_for_llm_isvc_ready(
        kserve_client: KServeClient,
        given: V1alpha1LLMInferenceService,
        timeout_seconds: int = 900,
    ) -&gt; 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()
            all_condition_types = set()
    
            conditions = status["conditions"]
    
            for condition in conditions:
                ctype = condition.get("type")
                all_condition_types.add(ctype)
                if condition.get("status") == "True":
                    got_true_conditions.add(ctype)
    
            # When TokenizerReady is present, it must also be True
            if "TokenizerReady" in all_condition_types:
                expected_true_conditions.add("TokenizerReady")
    
            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
    
&gt;       return wait_for(assert_llm_isvc_ready, timeout=timeout_seconds, interval=1.0)

llmisvc/test_llm_inference_service.py:1376: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

assertion_fn = &lt;function wait_for_llm_isvc_ready.&lt;locals&gt;.assert_llm_isvc_ready at 0x7f3b9dc6cd60&gt;
timeout = 900, interval = 1.0

    def wait_for(
        assertion_fn: Callable[[], Any], timeout: float = 5.0, interval: float = 0.1
    ) -&gt; Any:
        """Wait for the assertion to succeed within timeout."""
        deadline = time.time() + timeout
        last_msg = None
        while True:
            try:
&gt;               return assertion_fn()

llmisvc/test_llm_inference_service.py:1387: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

    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()
        all_condition_types = set()
    
        conditions = status["conditions"]
    
        for condition in conditions:
            ctype = condition.get("type")
            all_condition_types.add(ctype)
            if condition.get("status") == "True":
                got_true_conditions.add(ctype)
    
        # When TokenizerReady is present, it must also be True
        if "TokenizerReady" in all_condition_types:
            expected_true_conditions.add("TokenizerReady")
    
        missing_conditions = expected_true_conditions - got_true_conditions
        if missing_conditions:
&gt;           raise AssertionError(
                f"Missing true conditions: {missing_conditions}, expected {expected_true_conditions}, got {conditions}"
            )
E           AssertionError: Missing true conditions: {'WorkloadsReady', 'Ready'}, expected {'WorkloadsReady', 'RouterReady', 'Ready'}, got [{'lastTransitionTime': '2026-07-24T21:55:30Z', 'severity': 'Info', 'status': 'True', 'type': 'HTTPRoutesReady'}, {'lastTransitionTime': '2026-07-24T21:55:30Z', 'severity': 'Info', 'status': 'True', 'type': 'InferencePoolReady'}, {'lastTransitionTime': '2026-07-24T21:55:31Z', 'severity': 'Info', 'status': 'True', 'type': 'MainWorkloadReady'}, {'lastTransitionTime': '2026-07-24T21:55:22Z', 'severity': 'Info', 'status': 'True', 'type': 'PresetsCombined'}, {'lastTransitionTime': '2026-07-24T21:55:52Z', 'message': 'failed to ensure HPA is correctly created for ScaledObject: error parsing prometheus metadata: error parsing prometheus metadata: bearer token=&lt;empty&gt; is required when bearer auth is enabled', 'reason': 'ScaledObjectCheckFailed', 'status': 'False', 'type': 'Ready'}, {'lastTransitionTime': '2026-07-24T21:55:52Z', 'status': 'True', 'type': 'RouterReady'}, {'lastTransitionTime': '2026-07-24T21:55:30Z', 'message': 'failed to ensure HPA is correctly created for ScaledObject: error parsing prometheus metadata: error parsing prometheus metadata: bearer token=&lt;empty&gt; is required when bearer auth is enabled', 'reason': 'ScaledObjectCheckFailed', 'severity': 'Info', 'status': 'False', 'type': 'ScalingReady'}, {'lastTransitionTime': '2026-07-24T21:55:52Z', 'severity': 'Info', 'status': 'True', 'type': 'SchedulerWorkloadReady'}, {'lastTransitionTime': '2026-07-24T21:55:31Z', 'message': 'failed to ensure HPA is correctly created for ScaledObject: error parsing prometheus metadata: error parsing prometheus metadata: bearer token=&lt;empty&gt; is required when bearer auth is enabled', 'reason': 'ScaledObjectCheckFailed', 'status': 'False', 'type': 'WorkloadsReady'}]

llmisvc/test_llm_inference_service.py:1371: AssertionError</failure></testcase><testcase classname="llmisvc.test_llm_inference_service" name="test_llm_inference_service[cluster_cpu-cluster_single_node-router-managed-workload-single-cpu-model-pvc]" time="187.305" /><testcase classname="llmisvc.test_llm_inference_service" name="test_llm_inference_service[cluster_cpu-cluster_single_node-router-managed-workload-pd-cpu-model-pvc]" time="923.184"><failure message="AssertionError: Missing true conditions: {'WorkloadsReady', 'Ready'}, expected {'RouterReady', 'WorkloadsReady', 'Ready'}, got [{'lastTransitionTime': '2026-07-24T22:00:28Z', 'severity': 'Info', 'status': 'True', 'type': 'HTTPRoutesReady'}, {'lastTransitionTime': '2026-07-24T22:00:28Z', 'severity': 'Info', 'status': 'True', 'type': 'InferencePoolReady'}, {'lastTransitionTime': '2026-07-24T22:02:50Z', 'severity': 'Info', 'status': 'True', 'type': 'MainWorkloadReady'}, {'lastTransitionTime': '2026-07-24T22:00:28Z', 'message': 'Deployment does not have minimum availability.', 'reason': 'MinimumReplicasUnavailable', 'severity': 'Info', 'status': 'False', 'type': 'PrefillWorkloadReady'}, {'lastTransitionTime': '2026-07-24T22:00:20Z', 'severity': 'Info', 'status': 'True', 'type': 'PresetsCombined'}, {'lastTransitionTime': '2026-07-24T22:00:28Z', 'message': 'Deployment does not have minimum availability.', 'reason': 'MinimumReplicasUnavailable', 'status': 'False', 'type': 'Ready'}, {'lastTransitionTime': '2026-07-24T22:01:14Z', 'status': 'True', 'type': 'RouterReady'}, {'lastTransitionTime': '2026-07-24T22:01:14Z', 'severity': 'Info', 'status': 'True', 'type': 'SchedulerWorkloadReady'}, {'lastTransitionTime': '2026-07-24T22:00:28Z', 'message': 'Deployment does not have minimum availability.', 'reason': 'MinimumReplicasUnavailable', 'status': 'False', 'type': 'WorkloadsReady'}]">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.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-gateway-1",
                    before_test=[
                        lambda tc: create_router_resources(
                            gateways=[
                                make_router_gateway(
                                    "router-gateway-1",
                                    tc.namespace,
                                ),
                            ],
                        ),
                    ],
                ),
                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-gateway-1",
                    before_test=[
                        lambda tc: create_router_resources(
                            gateways=[
                                make_router_gateway(
                                    "router-gateway-1",
                                    tc.namespace,
                                ),
                            ],
                            routes=[
                                make_router_main_route(
                                    "router-route-1",
                                    tc.namespace,
                                    "router-gateway-1",
                                    "router-with-refs-test",
                                ),
                                make_router_health_route(
                                    "router-route-2",
                                    tc.namespace,
                                    "router-gateway-1",
                                    "router-with-refs-test",
                                ),
                            ],
                        ),
                    ],
                ),
                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-gateway-2",
                    before_test=[
                        lambda tc: create_router_resources(
                            gateways=[
                                make_router_gateway(
                                    "router-gateway-2",
                                    tc.namespace,
                                ),
                            ],
                            routes=[
                                make_router_main_route(
                                    "router-route-3",
                                    tc.namespace,
                                    "router-gateway-2",
                                    "router-with-refs-pd-test",
                                ),
                                make_router_health_route(
                                    "router-route-4",
                                    tc.namespace,
                                    "router-gateway-2",
                                    "router-with-refs-pd-test",
                                ),
                            ],
                        ),
                    ],
                ),
                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=[
                        lambda tc: create_scheduler_configmap(namespace=tc.namespace)
                    ],
                    after_test=[
                        lambda tc: delete_scheduler_configmap(namespace=tc.namespace)
                    ],
                ),
                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,
                ],
            ),
            # Standalone tokenizer — clean path: token-producer in inline config
            pytest.param(
                TestCase(
                    base_refs=[
                        "router-managed",
                        "scheduler-with-tokenizer-kvcache",
                        "workload-llmd-simulator-kvcache",
                    ],
                    prompt="KServe is a",
                    service_name="tokenizer-clean-path-test",
                ),
                marks=[
                    pytest.mark.cluster_cpu,
                    pytest.mark.cluster_single_node,
                    pytest.mark.llmd_simulator,
                ],
            ),
            # Standalone tokenizer — migration path: legacy precise-prefix-cache-scorer
            # triggers auto-provisioned tokenizer without explicit tokenizer:{} field
            pytest.param(
                TestCase(
                    base_refs=[
                        "router-managed",
                        "scheduler-with-precise-prefix-cache-inline-config",
                        "workload-llmd-simulator-kvcache",
                    ],
                    prompt="KServe is a",
                    service_name="tokenizer-migration-path-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: "publishers/{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: "publishers/{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: "publishers/{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: "publishers/{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="publishers/{namespace}/models/lora-adapter-1",
                    payload_formatter=completions_payload,
                    response_assertion=assert_model_field_matches(
                        "publishers/{namespace}/models/lora-adapter-1"
                    ),
                    url_getter=get_model_routing_url,
                    extra_headers={
                        MODEL_ROUTING_HEADER: "publishers/{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",
                        "publishers/{namespace}/models/facebook/opt-125m",
                        "lora-adapter-1",
                        "publishers/{namespace}/models/lora-adapter-1",
                    ),
                    url_getter=get_model_routing_url,
                    extra_headers={
                        MODEL_ROUTING_HEADER: "publishers/{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=[lambda tc: ensure_pvc_with_model(namespace=tc.namespace)],
                ),
                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=[lambda tc: ensure_pvc_with_model(namespace=tc.namespace)],
                ),
                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=[lambda tc: ensure_pvc_with_model(namespace=tc.namespace)],
                ),
                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
        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")
&gt;           wait_for_llm_isvc_ready(
                kserve_client, test_case.llm_service, test_case.wait_timeout
            )

llmisvc/test_llm_inference_service.py:866: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

args = (&lt;kserve.api.kserve_client.KServeClient object at 0x7f086a894450&gt;, {'api_version': 'serving.kserve.io/v1alpha1',
 'kin...del-p-9d807ba3'},
                       {'name': 'model-pvc-llmisvc-model-pvc-rou-49c1f027'}]},
 'status': None}, 900)
kwargs = {}, func_name = 'wait_for_llm_isvc_ready'
timestamp_start = '2026-07-24T21:59:38.941159', start_time = 1784930378.9414065
duration = 900.8503124713898, timestamp_end = '2026-07-24T22:14:39.791722'

    @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:
&gt;           result = func(*args, **kwargs)

llmisvc/logging.py:40: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

kserve_client = &lt;kserve.api.kserve_client.KServeClient object at 0x7f086a894450&gt;
given = {'api_version': 'serving.kserve.io/v1alpha1',
 'kind': 'LLMInferenceService',
 'metadata': {'annotations': {'security....svc-model-p-9d807ba3'},
                       {'name': 'model-pvc-llmisvc-model-pvc-rou-49c1f027'}]},
 'status': None}
timeout_seconds = 900

    @log_execution
    def wait_for_llm_isvc_ready(
        kserve_client: KServeClient,
        given: V1alpha1LLMInferenceService,
        timeout_seconds: int = 900,
    ) -&gt; 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()
            all_condition_types = set()
    
            conditions = status["conditions"]
    
            for condition in conditions:
                ctype = condition.get("type")
                all_condition_types.add(ctype)
                if condition.get("status") == "True":
                    got_true_conditions.add(ctype)
    
            # When TokenizerReady is present, it must also be True
            if "TokenizerReady" in all_condition_types:
                expected_true_conditions.add("TokenizerReady")
    
            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
    
&gt;       return wait_for(assert_llm_isvc_ready, timeout=timeout_seconds, interval=1.0)

llmisvc/test_llm_inference_service.py:1376: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

assertion_fn = &lt;function wait_for_llm_isvc_ready.&lt;locals&gt;.assert_llm_isvc_ready at 0x7f086a78e3e0&gt;
timeout = 900, interval = 1.0

    def wait_for(
        assertion_fn: Callable[[], Any], timeout: float = 5.0, interval: float = 0.1
    ) -&gt; Any:
        """Wait for the assertion to succeed within timeout."""
        deadline = time.time() + timeout
        last_msg = None
        while True:
            try:
&gt;               return assertion_fn()

llmisvc/test_llm_inference_service.py:1387: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

    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()
        all_condition_types = set()
    
        conditions = status["conditions"]
    
        for condition in conditions:
            ctype = condition.get("type")
            all_condition_types.add(ctype)
            if condition.get("status") == "True":
                got_true_conditions.add(ctype)
    
        # When TokenizerReady is present, it must also be True
        if "TokenizerReady" in all_condition_types:
            expected_true_conditions.add("TokenizerReady")
    
        missing_conditions = expected_true_conditions - got_true_conditions
        if missing_conditions:
&gt;           raise AssertionError(
                f"Missing true conditions: {missing_conditions}, expected {expected_true_conditions}, got {conditions}"
            )
E           AssertionError: Missing true conditions: {'WorkloadsReady', 'Ready'}, expected {'RouterReady', 'WorkloadsReady', 'Ready'}, got [{'lastTransitionTime': '2026-07-24T22:00:28Z', 'severity': 'Info', 'status': 'True', 'type': 'HTTPRoutesReady'}, {'lastTransitionTime': '2026-07-24T22:00:28Z', 'severity': 'Info', 'status': 'True', 'type': 'InferencePoolReady'}, {'lastTransitionTime': '2026-07-24T22:02:50Z', 'severity': 'Info', 'status': 'True', 'type': 'MainWorkloadReady'}, {'lastTransitionTime': '2026-07-24T22:00:28Z', 'message': 'Deployment does not have minimum availability.', 'reason': 'MinimumReplicasUnavailable', 'severity': 'Info', 'status': 'False', 'type': 'PrefillWorkloadReady'}, {'lastTransitionTime': '2026-07-24T22:00:20Z', 'severity': 'Info', 'status': 'True', 'type': 'PresetsCombined'}, {'lastTransitionTime': '2026-07-24T22:00:28Z', 'message': 'Deployment does not have minimum availability.', 'reason': 'MinimumReplicasUnavailable', 'status': 'False', 'type': 'Ready'}, {'lastTransitionTime': '2026-07-24T22:01:14Z', 'status': 'True', 'type': 'RouterReady'}, {'lastTransitionTime': '2026-07-24T22:01:14Z', 'severity': 'Info', 'status': 'True', 'type': 'SchedulerWorkloadReady'}, {'lastTransitionTime': '2026-07-24T22:00:28Z', 'message': 'Deployment does not have minimum availability.', 'reason': 'MinimumReplicasUnavailable', 'status': 'False', 'type': 'WorkloadsReady'}]

llmisvc/test_llm_inference_service.py:1371: AssertionError</failure></testcase><testcase classname="llmisvc.test_llm_autoscaling_wva" name="test_llm_autoscaling_hpa_lws[cluster_cpu-cluster_multi_node-router-managed-workload-llmd-simulator-lws-prometheus-scrape-scaling-hpa]" time="947.550"><failure message="AssertionError: Missing true conditions: {'WorkloadsReady', 'Ready'}, expected {'WorkloadsReady', 'RouterReady', 'Ready'}, got [{'lastTransitionTime': '2026-07-24T22:11:09Z', 'severity': 'Info', 'status': 'True', 'type': 'HTTPRoutesReady'}, {'lastTransitionTime': '2026-07-24T22:11:09Z', 'severity': 'Info', 'status': 'True', 'type': 'InferencePoolReady'}, {'lastTransitionTime': '2026-07-24T22:10:52Z', 'severity': 'Info', 'status': 'True', 'type': 'PresetsCombined'}, {'lastTransitionTime': '2026-07-24T22:11:25Z', 'message': 'the HPA was unable to compute the replica count: unable to get external metric e2e-test-llm-autoscaling-hpa-lws-d4cbcfd2/wva_desired_replicas/&amp;LabelSelector{MatchLabels:map[string]string{variant_name: autoscale-hpa-lws-kserve-hpa,},MatchExpressions:[]LabelSelectorRequirement{},}: unable to fetch metrics from external metrics API: scaledObject name is not specified', 'reason': 'FailedGetExternalMetric', 'status': 'False', 'type': 'Ready'}, {'lastTransitionTime': '2026-07-24T22:11:25Z', 'status': 'True', 'type': 'RouterReady'}, {'lastTransitionTime': '2026-07-24T22:11:09Z', 'message': 'the HPA was unable to compute the replica count: unable to get external metric e2e-test-llm-autoscaling-hpa-lws-d4cbcfd2/wva_desired_replicas/&amp;LabelSelector{MatchLabels:map[string]string{variant_name: autoscale-hpa-lws-kserve-hpa,},MatchExpressions:[]LabelSelectorRequirement{},}: unable to fetch metrics from external metrics API: scaledObject name is not specified', 'reason': 'FailedGetExternalMetric', 'severity': 'Info', 'status': 'False', 'type': 'ScalingReady'}, {'lastTransitionTime': '2026-07-24T22:11:25Z', 'severity': 'Info', 'status': 'True', 'type': 'SchedulerWorkloadReady'}, {'lastTransitionTime': '2026-07-24T22:11:09Z', 'severity': 'Info', 'status': 'True', 'type': 'WorkerWorkloadReady'}, {'lastTransitionTime': '2026-07-24T22:11:09Z', 'message': 'the HPA was unable to compute the replica count: unable to get external metric e2e-test-llm-autoscaling-hpa-lws-d4cbcfd2/wva_desired_replicas/&amp;LabelSelector{MatchLabels:map[string]string{variant_name: autoscale-hpa-lws-kserve-hpa,},MatchExpressions:[]LabelSelectorRequirement{},}: unable to fetch metrics from external metrics API: scaledObject name is not specified', 'reason': 'FailedGetExternalMetric', 'status': 'False', 'type': 'WorkloadsReady'}]">test_case = TestCase(base_refs=['router-managed', 'workload-llmd-simulator-lws', 'prometheus-scrape', 'scaling-hpa'], prompt='KSer...                {'name': 'scaling-hpa-autoscale-hpa-lws-b344a3ff'}]},
 'status': None}, model_name='facebook/opt-125m')

    @pytest.mark.autoscaling_hpa
    @pytest.mark.parametrize(
        "test_case",
        [
            pytest.param(
                TestCase(
                    base_refs=[
                        "router-managed",
                        "workload-llmd-simulator-lws",
                        "prometheus-scrape",
                        "scaling-hpa",
                    ],
                    prompt="KServe is a",
                    service_name="autoscale-hpa-lws",
                ),
                marks=[
                    pytest.mark.cluster_cpu,
                    pytest.mark.cluster_multi_node,
                    pytest.mark.llmd_simulator,
                ],
            ),
        ],
        indirect=["test_case"],
        ids=generate_test_id,
    )
    @log_execution
    def test_llm_autoscaling_hpa_lws(test_case: TestCase):
        """HPA + LWS: HPA exists with WVA annotations; pods scale under load."""
        inject_k8s_proxy()
        kserve_client = _new_kserve_client()
        service_name = test_case.llm_service.metadata.name
        ns = test_case.namespace
    
        try:
&gt;           _create_and_wait(kserve_client, test_case)

llmisvc/test_llm_autoscaling_wva.py:670: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

kserve_client = &lt;kserve.api.kserve_client.KServeClient object at 0x7f3b9f8ce110&gt;
test_case = TestCase(base_refs=['router-managed', 'workload-llmd-simulator-lws', 'prometheus-scrape', 'scaling-hpa'], prompt='KSer...                {'name': 'scaling-hpa-autoscale-hpa-lws-b344a3ff'}]},
 'status': None}, model_name='facebook/opt-125m')

    def _create_and_wait(kserve_client, test_case):
        """Create LLMISVC and wait for it to be ready."""
        create_llmisvc(kserve_client, test_case.llm_service)
&gt;       wait_for_llm_isvc_ready(
            kserve_client, test_case.llm_service, test_case.wait_timeout
        )

llmisvc/test_llm_autoscaling_wva.py:482: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

args = (&lt;kserve.api.kserve_client.KServeClient object at 0x7f3b9f8ce110&gt;, {'api_version': 'serving.kserve.io/v1alpha1',
 'kin...ale-hpa-b29acdba'},
                       {'name': 'scaling-hpa-autoscale-hpa-lws-b344a3ff'}]},
 'status': None}, 900)
kwargs = {}, func_name = 'wait_for_llm_isvc_ready'
timestamp_start = '2026-07-24T22:10:44.968280', start_time = 1784931044.9688048
duration = 900.896431684494, timestamp_end = '2026-07-24T22:25:45.865239'

    @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:
&gt;           result = func(*args, **kwargs)

llmisvc/logging.py:40: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

kserve_client = &lt;kserve.api.kserve_client.KServeClient object at 0x7f3b9f8ce110&gt;
given = {'api_version': 'serving.kserve.io/v1alpha1',
 'kind': 'LLMInferenceService',
 'metadata': {'annotations': {'security....autoscale-hpa-b29acdba'},
                       {'name': 'scaling-hpa-autoscale-hpa-lws-b344a3ff'}]},
 'status': None}
timeout_seconds = 900

    @log_execution
    def wait_for_llm_isvc_ready(
        kserve_client: KServeClient,
        given: V1alpha1LLMInferenceService,
        timeout_seconds: int = 900,
    ) -&gt; 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()
            all_condition_types = set()
    
            conditions = status["conditions"]
    
            for condition in conditions:
                ctype = condition.get("type")
                all_condition_types.add(ctype)
                if condition.get("status") == "True":
                    got_true_conditions.add(ctype)
    
            # When TokenizerReady is present, it must also be True
            if "TokenizerReady" in all_condition_types:
                expected_true_conditions.add("TokenizerReady")
    
            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
    
&gt;       return wait_for(assert_llm_isvc_ready, timeout=timeout_seconds, interval=1.0)

llmisvc/test_llm_inference_service.py:1376: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

assertion_fn = &lt;function wait_for_llm_isvc_ready.&lt;locals&gt;.assert_llm_isvc_ready at 0x7f3b9dc6c9a0&gt;
timeout = 900, interval = 1.0

    def wait_for(
        assertion_fn: Callable[[], Any], timeout: float = 5.0, interval: float = 0.1
    ) -&gt; Any:
        """Wait for the assertion to succeed within timeout."""
        deadline = time.time() + timeout
        last_msg = None
        while True:
            try:
&gt;               return assertion_fn()

llmisvc/test_llm_inference_service.py:1387: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

    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()
        all_condition_types = set()
    
        conditions = status["conditions"]
    
        for condition in conditions:
            ctype = condition.get("type")
            all_condition_types.add(ctype)
            if condition.get("status") == "True":
                got_true_conditions.add(ctype)
    
        # When TokenizerReady is present, it must also be True
        if "TokenizerReady" in all_condition_types:
            expected_true_conditions.add("TokenizerReady")
    
        missing_conditions = expected_true_conditions - got_true_conditions
        if missing_conditions:
&gt;           raise AssertionError(
                f"Missing true conditions: {missing_conditions}, expected {expected_true_conditions}, got {conditions}"
            )
E           AssertionError: Missing true conditions: {'WorkloadsReady', 'Ready'}, expected {'WorkloadsReady', 'RouterReady', 'Ready'}, got [{'lastTransitionTime': '2026-07-24T22:11:09Z', 'severity': 'Info', 'status': 'True', 'type': 'HTTPRoutesReady'}, {'lastTransitionTime': '2026-07-24T22:11:09Z', 'severity': 'Info', 'status': 'True', 'type': 'InferencePoolReady'}, {'lastTransitionTime': '2026-07-24T22:10:52Z', 'severity': 'Info', 'status': 'True', 'type': 'PresetsCombined'}, {'lastTransitionTime': '2026-07-24T22:11:25Z', 'message': 'the HPA was unable to compute the replica count: unable to get external metric e2e-test-llm-autoscaling-hpa-lws-d4cbcfd2/wva_desired_replicas/&amp;LabelSelector{MatchLabels:map[string]string{variant_name: autoscale-hpa-lws-kserve-hpa,},MatchExpressions:[]LabelSelectorRequirement{},}: unable to fetch metrics from external metrics API: scaledObject name is not specified', 'reason': 'FailedGetExternalMetric', 'status': 'False', 'type': 'Ready'}, {'lastTransitionTime': '2026-07-24T22:11:25Z', 'status': 'True', 'type': 'RouterReady'}, {'lastTransitionTime': '2026-07-24T22:11:09Z', 'message': 'the HPA was unable to compute the replica count: unable to get external metric e2e-test-llm-autoscaling-hpa-lws-d4cbcfd2/wva_desired_replicas/&amp;LabelSelector{MatchLabels:map[string]string{variant_name: autoscale-hpa-lws-kserve-hpa,},MatchExpressions:[]LabelSelectorRequirement{},}: unable to fetch metrics from external metrics API: scaledObject name is not specified', 'reason': 'FailedGetExternalMetric', 'severity': 'Info', 'status': 'False', 'type': 'ScalingReady'}, {'lastTransitionTime': '2026-07-24T22:11:25Z', 'severity': 'Info', 'status': 'True', 'type': 'SchedulerWorkloadReady'}, {'lastTransitionTime': '2026-07-24T22:11:09Z', 'severity': 'Info', 'status': 'True', 'type': 'WorkerWorkloadReady'}, {'lastTransitionTime': '2026-07-24T22:11:09Z', 'message': 'the HPA was unable to compute the replica count: unable to get external metric e2e-test-llm-autoscaling-hpa-lws-d4cbcfd2/wva_desired_replicas/&amp;LabelSelector{MatchLabels:map[string]string{variant_name: autoscale-hpa-lws-kserve-hpa,},MatchExpressions:[]LabelSelectorRequirement{},}: unable to fetch metrics from external metrics API: scaledObject name is not specified', 'reason': 'FailedGetExternalMetric', 'status': 'False', 'type': 'WorkloadsReady'}]

llmisvc/test_llm_inference_service.py:1371: AssertionError</failure></testcase><testcase classname="llmisvc.test_llm_inference_service" name="test_llm_inference_service[cluster_cpu-cluster_multi_node-router-managed-workload-simulated-dp-ep-cpu-model-pvc]" time="225.319" /><testcase classname="llmisvc.test_llm_inference_service_config_deletion" name="test_config_finalizer_added" time="2.323" /><testcase classname="llmisvc.test_llm_inference_service_config_deletion" name="test_config_deletion_blocked_when_referenced" time="4.788" /><testcase classname="llmisvc.test_llm_inference_service_config_deletion" name="test_config_deletion_allowed_when_unreferenced" time="4.310" /><testcase classname="llmisvc.test_llm_inference_service_config_deletion" name="test_config_deletion_unblocked_after_service_deleted" time="4.892" /><testcase classname="llmisvc.test_llm_inference_service_config_deletion" name="test_well_known_config_deletion_prevented_by_webhook" time="0.159" /><testcase classname="llmisvc.test_llm_inference_service_config_deletion" name="test_well_known_config_deletion_blocked_by_implicit_reference" time="5.223" /><testcase classname="llmisvc.test_llm_inference_service_conversion.TestLLMInferenceServiceConversion" name="test_v1alpha1_to_v1alpha2_conversion" time="1.303" /><testcase classname="llmisvc.test_llm_inference_service_conversion.TestLLMInferenceServiceConversion" name="test_v1alpha2_to_v1alpha1_conversion" time="0.732" /><testcase classname="llmisvc.test_llm_inference_service_conversion.TestLLMInferenceServiceConversion" name="test_criticality_preservation_via_annotations" time="1.059" /><testcase classname="llmisvc.test_llm_inference_service_conversion.TestLLMInferenceServiceConversion" name="test_lora_criticality_preservation" time="0.998" /><testcase classname="llmisvc.test_llm_inference_service_conversion.TestLLMInferenceServiceConversion" name="test_round_trip_conversion_preserves_fields" time="1.003" /><testcase classname="llmisvc.test_llm_inference_service_stop" name="test_llm_stop_feature[cluster_cpu-cluster_single_node-router-managed-workload-single-cpu-model-fb-opt-125m]" time="334.765" /><testcase classname="llmisvc.test_llm_lora_adapters" name="test_llm_with_lora_adapters[cluster_cpu-single-lora-adapter-hf]" time="195.145" /><testcase classname="llmisvc.test_llm_autoscaling_wva" name="test_llm_autoscaling_keda_lws[cluster_cpu-cluster_multi_node-router-managed-workload-llmd-simulator-lws-prometheus-scrape-scaling-keda]" time="957.515"><failure message="AssertionError: Missing true conditions: {'WorkloadsReady', 'Ready'}, expected {'WorkloadsReady', 'RouterReady', 'Ready'}, got [{'lastTransitionTime': '2026-07-24T22:27:22Z', 'severity': 'Info', 'status': 'True', 'type': 'HTTPRoutesReady'}, {'lastTransitionTime': '2026-07-24T22:27:22Z', 'severity': 'Info', 'status': 'True', 'type': 'InferencePoolReady'}, {'lastTransitionTime': '2026-07-24T22:26:52Z', 'severity': 'Info', 'status': 'True', 'type': 'PresetsCombined'}, {'lastTransitionTime': '2026-07-24T22:27:32Z', 'message': 'failed to ensure HPA is correctly created for ScaledObject: error parsing prometheus metadata: error parsing prometheus metadata: bearer token=&lt;empty&gt; is required when bearer auth is enabled', 'reason': 'ScaledObjectCheckFailed', 'status': 'False', 'type': 'Ready'}, {'lastTransitionTime': '2026-07-24T22:27:32Z', 'status': 'True', 'type': 'RouterReady'}, {'lastTransitionTime': '2026-07-24T22:27:22Z', 'message': 'failed to ensure HPA is correctly created for ScaledObject: error parsing prometheus metadata: error parsing prometheus metadata: bearer token=&lt;empty&gt; is required when bearer auth is enabled', 'reason': 'ScaledObjectCheckFailed', 'severity': 'Info', 'status': 'False', 'type': 'ScalingReady'}, {'lastTransitionTime': '2026-07-24T22:27:32Z', 'severity': 'Info', 'status': 'True', 'type': 'SchedulerWorkloadReady'}, {'lastTransitionTime': '2026-07-24T22:27:22Z', 'severity': 'Info', 'status': 'True', 'type': 'WorkerWorkloadReady'}, {'lastTransitionTime': '2026-07-24T22:27:22Z', 'message': 'failed to ensure HPA is correctly created for ScaledObject: error parsing prometheus metadata: error parsing prometheus metadata: bearer token=&lt;empty&gt; is required when bearer auth is enabled', 'reason': 'ScaledObjectCheckFailed', 'status': 'False', 'type': 'WorkloadsReady'}]">test_case = TestCase(base_refs=['router-managed', 'workload-llmd-simulator-lws', 'prometheus-scrape', 'scaling-keda'], prompt='KSe...              {'name': 'scaling-keda-autoscale-keda-lws-1337f511'}]},
 'status': None}, model_name='facebook/opt-125m')

    @pytest.mark.autoscaling_keda
    @pytest.mark.parametrize(
        "test_case",
        [
            pytest.param(
                TestCase(
                    base_refs=[
                        "router-managed",
                        "workload-llmd-simulator-lws",
                        "prometheus-scrape",
                        "scaling-keda",
                    ],
                    prompt="KServe is a",
                    service_name="autoscale-keda-lws",
                ),
                marks=[
                    pytest.mark.cluster_cpu,
                    pytest.mark.cluster_multi_node,
                    pytest.mark.llmd_simulator,
                ],
            ),
        ],
        indirect=["test_case"],
        ids=generate_test_id,
    )
    @log_execution
    def test_llm_autoscaling_keda_lws(test_case: TestCase):
        """KEDA + LWS: ScaledObject exists with WVA annotations; pods scale under load."""
        inject_k8s_proxy()
        kserve_client = _new_kserve_client()
        service_name = test_case.llm_service.metadata.name
        ns = test_case.namespace
    
        try:
&gt;           _create_and_wait(kserve_client, test_case)

llmisvc/test_llm_autoscaling_wva.py:728: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

kserve_client = &lt;kserve.api.kserve_client.KServeClient object at 0x7f3b9f812ad0&gt;
test_case = TestCase(base_refs=['router-managed', 'workload-llmd-simulator-lws', 'prometheus-scrape', 'scaling-keda'], prompt='KSe...              {'name': 'scaling-keda-autoscale-keda-lws-1337f511'}]},
 'status': None}, model_name='facebook/opt-125m')

    def _create_and_wait(kserve_client, test_case):
        """Create LLMISVC and wait for it to be ready."""
        create_llmisvc(kserve_client, test_case.llm_service)
&gt;       wait_for_llm_isvc_ready(
            kserve_client, test_case.llm_service, test_case.wait_timeout
        )

llmisvc/test_llm_autoscaling_wva.py:482: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

args = (&lt;kserve.api.kserve_client.KServeClient object at 0x7f3b9f812ad0&gt;, {'api_version': 'serving.kserve.io/v1alpha1',
 'kin...e-ked-231d315d'},
                       {'name': 'scaling-keda-autoscale-keda-lws-1337f511'}]},
 'status': None}, 900)
kwargs = {}, func_name = 'wait_for_llm_isvc_ready'
timestamp_start = '2026-07-24T22:26:32.782339', start_time = 1784931992.7826626
duration = 900.5812213420868, timestamp_end = '2026-07-24T22:41:33.363887'

    @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:
&gt;           result = func(*args, **kwargs)

llmisvc/logging.py:40: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

kserve_client = &lt;kserve.api.kserve_client.KServeClient object at 0x7f3b9f812ad0&gt;
given = {'api_version': 'serving.kserve.io/v1alpha1',
 'kind': 'LLMInferenceService',
 'metadata': {'annotations': {'security....toscale-ked-231d315d'},
                       {'name': 'scaling-keda-autoscale-keda-lws-1337f511'}]},
 'status': None}
timeout_seconds = 900

    @log_execution
    def wait_for_llm_isvc_ready(
        kserve_client: KServeClient,
        given: V1alpha1LLMInferenceService,
        timeout_seconds: int = 900,
    ) -&gt; 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()
            all_condition_types = set()
    
            conditions = status["conditions"]
    
            for condition in conditions:
                ctype = condition.get("type")
                all_condition_types.add(ctype)
                if condition.get("status") == "True":
                    got_true_conditions.add(ctype)
    
            # When TokenizerReady is present, it must also be True
            if "TokenizerReady" in all_condition_types:
                expected_true_conditions.add("TokenizerReady")
    
            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
    
&gt;       return wait_for(assert_llm_isvc_ready, timeout=timeout_seconds, interval=1.0)

llmisvc/test_llm_inference_service.py:1376: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

assertion_fn = &lt;function wait_for_llm_isvc_ready.&lt;locals&gt;.assert_llm_isvc_ready at 0x7f3b9dc6e0c0&gt;
timeout = 900, interval = 1.0

    def wait_for(
        assertion_fn: Callable[[], Any], timeout: float = 5.0, interval: float = 0.1
    ) -&gt; Any:
        """Wait for the assertion to succeed within timeout."""
        deadline = time.time() + timeout
        last_msg = None
        while True:
            try:
&gt;               return assertion_fn()

llmisvc/test_llm_inference_service.py:1387: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

    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()
        all_condition_types = set()
    
        conditions = status["conditions"]
    
        for condition in conditions:
            ctype = condition.get("type")
            all_condition_types.add(ctype)
            if condition.get("status") == "True":
                got_true_conditions.add(ctype)
    
        # When TokenizerReady is present, it must also be True
        if "TokenizerReady" in all_condition_types:
            expected_true_conditions.add("TokenizerReady")
    
        missing_conditions = expected_true_conditions - got_true_conditions
        if missing_conditions:
&gt;           raise AssertionError(
                f"Missing true conditions: {missing_conditions}, expected {expected_true_conditions}, got {conditions}"
            )
E           AssertionError: Missing true conditions: {'WorkloadsReady', 'Ready'}, expected {'WorkloadsReady', 'RouterReady', 'Ready'}, got [{'lastTransitionTime': '2026-07-24T22:27:22Z', 'severity': 'Info', 'status': 'True', 'type': 'HTTPRoutesReady'}, {'lastTransitionTime': '2026-07-24T22:27:22Z', 'severity': 'Info', 'status': 'True', 'type': 'InferencePoolReady'}, {'lastTransitionTime': '2026-07-24T22:26:52Z', 'severity': 'Info', 'status': 'True', 'type': 'PresetsCombined'}, {'lastTransitionTime': '2026-07-24T22:27:32Z', 'message': 'failed to ensure HPA is correctly created for ScaledObject: error parsing prometheus metadata: error parsing prometheus metadata: bearer token=&lt;empty&gt; is required when bearer auth is enabled', 'reason': 'ScaledObjectCheckFailed', 'status': 'False', 'type': 'Ready'}, {'lastTransitionTime': '2026-07-24T22:27:32Z', 'status': 'True', 'type': 'RouterReady'}, {'lastTransitionTime': '2026-07-24T22:27:22Z', 'message': 'failed to ensure HPA is correctly created for ScaledObject: error parsing prometheus metadata: error parsing prometheus metadata: bearer token=&lt;empty&gt; is required when bearer auth is enabled', 'reason': 'ScaledObjectCheckFailed', 'severity': 'Info', 'status': 'False', 'type': 'ScalingReady'}, {'lastTransitionTime': '2026-07-24T22:27:32Z', 'severity': 'Info', 'status': 'True', 'type': 'SchedulerWorkloadReady'}, {'lastTransitionTime': '2026-07-24T22:27:22Z', 'severity': 'Info', 'status': 'True', 'type': 'WorkerWorkloadReady'}, {'lastTransitionTime': '2026-07-24T22:27:22Z', 'message': 'failed to ensure HPA is correctly created for ScaledObject: error parsing prometheus metadata: error parsing prometheus metadata: bearer token=&lt;empty&gt; is required when bearer auth is enabled', 'reason': 'ScaledObjectCheckFailed', 'status': 'False', 'type': 'WorkloadsReady'}]

llmisvc/test_llm_inference_service.py:1371: AssertionError</failure></testcase><testcase classname="llmisvc.test_llm_lora_adapters" name="test_llm_with_lora_adapters[cluster_cpu-multiple-lora-adapters]" time="185.008" /><testcase classname="llmisvc.test_llm_tls" name="test_llm_tls_resources[cluster_cpu-cluster_single_node-router-managed-workload-single-cpu-model-fb-opt-125m]" time="164.006" /><testcase classname="llmisvc.test_prestop_hook" name="test_prestop_hook[cluster_cpu-cluster_single_node-router-managed-workload-single-cpu-model-fb-opt-125m]" time="200.328" /><testcase classname="llmisvc.test_rolling_upgrade" name="test_rolling_upgrade_coordination[cluster_cpu-cluster_single_node-router-managed-workload-llmd-simulator-model-fb-opt-125m]" time="95.753" /><testcase classname="llmisvc.test_storage_version_migration.TestStorageVersionMigration" name="test_storage_version_migration_after_simulated_upgrade" time="80.392" /><testcase classname="llmisvc.test_llm_canary_lifecycle.TestCanaryLifecycle" name="test_leave_group" time="73.562" /><testcase classname="llmisvc.test_llm_canary_lifecycle.TestCanaryLifecycle" name="test_three_member_group" time="197.514" /><testcase classname="llmisvc.test_llm_autoscaling_wva" name="test_llm_autoscaling_cleanup_hpa[cluster_cpu-cluster_single_node-router-managed-workload-llmd-simulator-no-replicas-prometheus-scrape-scaling-hpa]" time="957.241"><failure message="AssertionError: Missing true conditions: {'WorkloadsReady', 'Ready'}, expected {'WorkloadsReady', 'RouterReady', 'Ready'}, got [{'lastTransitionTime': '2026-07-24T22:43:34Z', 'severity': 'Info', 'status': 'True', 'type': 'HTTPRoutesReady'}, {'lastTransitionTime': '2026-07-24T22:43:34Z', 'severity': 'Info', 'status': 'True', 'type': 'InferencePoolReady'}, {'lastTransitionTime': '2026-07-24T22:43:34Z', 'severity': 'Info', 'status': 'True', 'type': 'MainWorkloadReady'}, {'lastTransitionTime': '2026-07-24T22:43:07Z', 'severity': 'Info', 'status': 'True', 'type': 'PresetsCombined'}, {'lastTransitionTime': '2026-07-24T22:43:47Z', 'message': 'the HPA was unable to compute the replica count: unable to get external metric e2e-test-llm-autoscaling-cleanup-hpa-a41f0e40/wva_desired_replicas/&amp;LabelSelector{MatchLabels:map[string]string{variant_name: autoscale-cleanup-hpa-kserve-hpa,},MatchExpressions:[]LabelSelectorRequirement{},}: unable to fetch metrics from external metrics API: scaledObject name is not specified', 'reason': 'FailedGetExternalMetric', 'status': 'False', 'type': 'Ready'}, {'lastTransitionTime': '2026-07-24T22:43:47Z', 'status': 'True', 'type': 'RouterReady'}, {'lastTransitionTime': '2026-07-24T22:43:34Z', 'message': 'the HPA was unable to compute the replica count: unable to get external metric e2e-test-llm-autoscaling-cleanup-hpa-a41f0e40/wva_desired_replicas/&amp;LabelSelector{MatchLabels:map[string]string{variant_name: autoscale-cleanup-hpa-kserve-hpa,},MatchExpressions:[]LabelSelectorRequirement{},}: unable to fetch metrics from external metrics API: scaledObject name is not specified', 'reason': 'FailedGetExternalMetric', 'severity': 'Info', 'status': 'False', 'type': 'ScalingReady'}, {'lastTransitionTime': '2026-07-24T22:43:47Z', 'severity': 'Info', 'status': 'True', 'type': 'SchedulerWorkloadReady'}, {'lastTransitionTime': '2026-07-24T22:43:34Z', 'message': 'the HPA was unable to compute the replica count: unable to get external metric e2e-test-llm-autoscaling-cleanup-hpa-a41f0e40/wva_desired_replicas/&amp;LabelSelector{MatchLabels:map[string]string{variant_name: autoscale-cleanup-hpa-kserve-hpa,},MatchExpressions:[]LabelSelectorRequirement{},}: unable to fetch metrics from external metrics API: scaledObject name is not specified', 'reason': 'FailedGetExternalMetric', 'status': 'False', 'type': 'WorkloadsReady'}]">test_case = TestCase(base_refs=['router-managed', 'workload-llmd-simulator-no-replicas', 'prometheus-scrape', 'scaling-hpa'], prom...              {'name': 'scaling-hpa-autoscale-cleanup-h-aa1ae037'}]},
 'status': None}, model_name='facebook/opt-125m')

    @pytest.mark.autoscaling_hpa
    @pytest.mark.parametrize(
        "test_case",
        [
            pytest.param(
                TestCase(
                    base_refs=[
                        "router-managed",
                        "workload-llmd-simulator-no-replicas",
                        "prometheus-scrape",
                        "scaling-hpa",
                    ],
                    prompt="KServe is a",
                    service_name="autoscale-cleanup-hpa",
                ),
                marks=[
                    pytest.mark.cluster_cpu,
                    pytest.mark.cluster_single_node,
                    pytest.mark.llmd_simulator,
                ],
            ),
        ],
        indirect=["test_case"],
        ids=generate_test_id,
    )
    @log_execution
    def test_llm_autoscaling_cleanup_hpa(test_case: TestCase):
        """Removing scaling config should delete HPA."""
        inject_k8s_proxy()
        kserve_client = _new_kserve_client()
        service_name = test_case.llm_service.metadata.name
        ns = test_case.namespace
    
        try:
&gt;           _create_and_wait(kserve_client, test_case)

llmisvc/test_llm_autoscaling_wva.py:892: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

kserve_client = &lt;kserve.api.kserve_client.KServeClient object at 0x7f3b9dbcfe10&gt;
test_case = TestCase(base_refs=['router-managed', 'workload-llmd-simulator-no-replicas', 'prometheus-scrape', 'scaling-hpa'], prom...              {'name': 'scaling-hpa-autoscale-cleanup-h-aa1ae037'}]},
 'status': None}, model_name='facebook/opt-125m')

    def _create_and_wait(kserve_client, test_case):
        """Create LLMISVC and wait for it to be ready."""
        create_llmisvc(kserve_client, test_case.llm_service)
&gt;       wait_for_llm_isvc_ready(
            kserve_client, test_case.llm_service, test_case.wait_timeout
        )

llmisvc/test_llm_autoscaling_wva.py:482: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

args = (&lt;kserve.api.kserve_client.KServeClient object at 0x7f3b9dbcfe10&gt;, {'api_version': 'serving.kserve.io/v1alpha1',
 'kin...e-cle-5a67f5d1'},
                       {'name': 'scaling-hpa-autoscale-cleanup-h-aa1ae037'}]},
 'status': None}, 900)
kwargs = {}, func_name = 'wait_for_llm_isvc_ready'
timestamp_start = '2026-07-24T22:42:30.470792', start_time = 1784932950.4711692
duration = 900.2931628227234, timestamp_end = '2026-07-24T22:57:30.764334'

    @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:
&gt;           result = func(*args, **kwargs)

llmisvc/logging.py:40: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

kserve_client = &lt;kserve.api.kserve_client.KServeClient object at 0x7f3b9dbcfe10&gt;
given = {'api_version': 'serving.kserve.io/v1alpha1',
 'kind': 'LLMInferenceService',
 'metadata': {'annotations': {'security....toscale-cle-5a67f5d1'},
                       {'name': 'scaling-hpa-autoscale-cleanup-h-aa1ae037'}]},
 'status': None}
timeout_seconds = 900

    @log_execution
    def wait_for_llm_isvc_ready(
        kserve_client: KServeClient,
        given: V1alpha1LLMInferenceService,
        timeout_seconds: int = 900,
    ) -&gt; 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()
            all_condition_types = set()
    
            conditions = status["conditions"]
    
            for condition in conditions:
                ctype = condition.get("type")
                all_condition_types.add(ctype)
                if condition.get("status") == "True":
                    got_true_conditions.add(ctype)
    
            # When TokenizerReady is present, it must also be True
            if "TokenizerReady" in all_condition_types:
                expected_true_conditions.add("TokenizerReady")
    
            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
    
&gt;       return wait_for(assert_llm_isvc_ready, timeout=timeout_seconds, interval=1.0)

llmisvc/test_llm_inference_service.py:1376: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

assertion_fn = &lt;function wait_for_llm_isvc_ready.&lt;locals&gt;.assert_llm_isvc_ready at 0x7f3b9dc6e520&gt;
timeout = 900, interval = 1.0

    def wait_for(
        assertion_fn: Callable[[], Any], timeout: float = 5.0, interval: float = 0.1
    ) -&gt; Any:
        """Wait for the assertion to succeed within timeout."""
        deadline = time.time() + timeout
        last_msg = None
        while True:
            try:
&gt;               return assertion_fn()

llmisvc/test_llm_inference_service.py:1387: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

    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()
        all_condition_types = set()
    
        conditions = status["conditions"]
    
        for condition in conditions:
            ctype = condition.get("type")
            all_condition_types.add(ctype)
            if condition.get("status") == "True":
                got_true_conditions.add(ctype)
    
        # When TokenizerReady is present, it must also be True
        if "TokenizerReady" in all_condition_types:
            expected_true_conditions.add("TokenizerReady")
    
        missing_conditions = expected_true_conditions - got_true_conditions
        if missing_conditions:
&gt;           raise AssertionError(
                f"Missing true conditions: {missing_conditions}, expected {expected_true_conditions}, got {conditions}"
            )
E           AssertionError: Missing true conditions: {'WorkloadsReady', 'Ready'}, expected {'WorkloadsReady', 'RouterReady', 'Ready'}, got [{'lastTransitionTime': '2026-07-24T22:43:34Z', 'severity': 'Info', 'status': 'True', 'type': 'HTTPRoutesReady'}, {'lastTransitionTime': '2026-07-24T22:43:34Z', 'severity': 'Info', 'status': 'True', 'type': 'InferencePoolReady'}, {'lastTransitionTime': '2026-07-24T22:43:34Z', 'severity': 'Info', 'status': 'True', 'type': 'MainWorkloadReady'}, {'lastTransitionTime': '2026-07-24T22:43:07Z', 'severity': 'Info', 'status': 'True', 'type': 'PresetsCombined'}, {'lastTransitionTime': '2026-07-24T22:43:47Z', 'message': 'the HPA was unable to compute the replica count: unable to get external metric e2e-test-llm-autoscaling-cleanup-hpa-a41f0e40/wva_desired_replicas/&amp;LabelSelector{MatchLabels:map[string]string{variant_name: autoscale-cleanup-hpa-kserve-hpa,},MatchExpressions:[]LabelSelectorRequirement{},}: unable to fetch metrics from external metrics API: scaledObject name is not specified', 'reason': 'FailedGetExternalMetric', 'status': 'False', 'type': 'Ready'}, {'lastTransitionTime': '2026-07-24T22:43:47Z', 'status': 'True', 'type': 'RouterReady'}, {'lastTransitionTime': '2026-07-24T22:43:34Z', 'message': 'the HPA was unable to compute the replica count: unable to get external metric e2e-test-llm-autoscaling-cleanup-hpa-a41f0e40/wva_desired_replicas/&amp;LabelSelector{MatchLabels:map[string]string{variant_name: autoscale-cleanup-hpa-kserve-hpa,},MatchExpressions:[]LabelSelectorRequirement{},}: unable to fetch metrics from external metrics API: scaledObject name is not specified', 'reason': 'FailedGetExternalMetric', 'severity': 'Info', 'status': 'False', 'type': 'ScalingReady'}, {'lastTransitionTime': '2026-07-24T22:43:47Z', 'severity': 'Info', 'status': 'True', 'type': 'SchedulerWorkloadReady'}, {'lastTransitionTime': '2026-07-24T22:43:34Z', 'message': 'the HPA was unable to compute the replica count: unable to get external metric e2e-test-llm-autoscaling-cleanup-hpa-a41f0e40/wva_desired_replicas/&amp;LabelSelector{MatchLabels:map[string]string{variant_name: autoscale-cleanup-hpa-kserve-hpa,},MatchExpressions:[]LabelSelectorRequirement{},}: unable to fetch metrics from external metrics API: scaledObject name is not specified', 'reason': 'FailedGetExternalMetric', 'status': 'False', 'type': 'WorkloadsReady'}]

llmisvc/test_llm_inference_service.py:1371: AssertionError</failure></testcase><testcase classname="llmisvc.test_llm_canary_lifecycle.TestCanaryLifecycle" name="test_late_join" time="184.136" /><testcase classname="llmisvc.test_llm_canary_lifecycle.TestCanaryLifecycle" name="test_delete_at_nonzero_weight" time="125.996" /><testcase classname="llmisvc.test_llm_canary_lifecycle.TestCanaryLifecycle" name="test_rollback" time="109.690" /><testcase classname="llmisvc.test_llm_canary_lifecycle.TestCanaryLifecycle" name="test_force_stop_route_owner" time="112.089" /><testcase classname="llmisvc.test_llm_inference_service" name="test_llm_inference_service[cluster_cpu-cluster_single_node-router-with-gateway-ref-router-with-managed-route-model-fb-opt-125m-workload-llmd-simulator]" time="210.449" /><testcase classname="llmisvc.test_llm_inference_service" name="test_llm_inference_service[cluster_cpu-cluster_single_node-router-managed-workload-single-cpu-model-fb-opt-125m]" time="193.678" /><testcase classname="llmisvc.test_llm_inference_service" name="test_llm_inference_service[cluster_cpu-cluster_single_node-router-custom-route-timeout-scheduler-managed-workload-single-cpu-model-fb-opt-125m]" time="188.883" /><testcase classname="llmisvc.test_llm_inference_service" name="test_llm_inference_service[cluster_cpu-cluster_single_node-router-with-refs-scheduler-managed-workload-single-cpu-model-fb-opt-125m]" time="173.803" /><testcase classname="llmisvc.test_llm_inference_service" name="test_llm_inference_service[cluster_cpu-cluster_single_node-router-managed-workload-pd-cpu-model-fb-opt-125m]" time="16.367"><failure message="RuntimeError: ❌ Exception when calling CustomObjectsApi-&gt;get_namespaced_custom_object for LLMInferenceService: (500)&#10;Reason: Internal Server Error&#10;HTTP response headers: HTTPHeaderDict({'Audit-Id': '43d28202-5dc0-4248-86f2-7312c58e9f76', 'Cache-Control': 'no-cache, private', 'Content-Type': 'application/json', 'Strict-Transport-Security': 'max-age=31536000; includeSubDomains; preload', 'X-Kubernetes-Pf-Flowschema-Uid': 'c213af1a-c3de-49ac-909e-cb7d1e2ab14f', 'X-Kubernetes-Pf-Prioritylevel-Uid': '0e82b07d-98b7-4d98-9797-e07a51af4fc5', 'Date': 'Fri, 24 Jul 2026 23:06:14 GMT', 'Content-Length': '264'})&#10;HTTP response body: {&quot;kind&quot;:&quot;Status&quot;,&quot;apiVersion&quot;:&quot;v1&quot;,&quot;metadata&quot;:{},&quot;status&quot;:&quot;Failure&quot;,&quot;message&quot;:&quot;conversion webhook for serving.kserve.io/v1alpha2, Kind=LLMInferenceService failed: Post \&quot;https://llmisvc-webhook-server-service.kserve.svc:443/convert?timeout=30s\&quot;: EOF&quot;,&quot;code&quot;:500}">kserve_client = &lt;kserve.api.kserve_client.KServeClient object at 0x7f086972e5d0&gt;
name = 'llmisvc-model-fb-opt-125m-route-50bc673d'
namespace = 'e2e-test-llm-inference-service-62876e81', version = 'v1alpha1'

    def get_llmisvc(
        kserve_client: KServeClient,
        name,
        namespace,
        version=constants.KSERVE_V1ALPHA1_VERSION,
    ):
        try:
&gt;           return kserve_client.api_instance.get_namespaced_custom_object(
                constants.KSERVE_GROUP,
                version,
                namespace,
                KSERVE_PLURAL_LLMINFERENCESERVICE,
                name,
            )

llmisvc/test_llm_inference_service.py:1204: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = &lt;kubernetes.client.api.custom_objects_api.CustomObjectsApi object at 0x7f0869499590&gt;
group = 'serving.kserve.io', version = 'v1alpha1'
namespace = 'e2e-test-llm-inference-service-62876e81'
plural = 'llminferenceservices'
name = 'llmisvc-model-fb-opt-125m-route-50bc673d'
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
        &gt;&gt;&gt; thread = api.get_namespaced_custom_object(group, version, namespace, plural, name, async_req=True)
        &gt;&gt;&gt; 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
&gt;       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 = &lt;kubernetes.client.api.custom_objects_api.CustomObjectsApi object at 0x7f0869499590&gt;
group = 'serving.kserve.io', version = 'v1alpha1'
namespace = 'e2e-test-llm-inference-service-62876e81'
plural = 'llminferenceservices'
name = 'llmisvc-model-fb-opt-125m-route-50bc673d'
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-50bc673d', 'namespace': 'e2e-test-llm-inference-service-62876e81', '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
        &gt;&gt;&gt; thread = api.get_namespaced_custom_object_with_http_info(group, version, namespace, plural, name, async_req=True)
        &gt;&gt;&gt; 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
    
&gt;       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 = &lt;kubernetes.client.api_client.ApiClient object at 0x7f0869499c50&gt;
resource_path = '/apis/{group}/{version}/namespaces/{namespace}/{plural}/{name}'
method = 'GET'
path_params = {'group': 'serving.kserve.io', 'name': 'llmisvc-model-fb-opt-125m-route-50bc673d', 'namespace': 'e2e-test-llm-inference-service-62876e81', '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 -&gt; filename, value -&gt; 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:
&gt;           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 = &lt;kubernetes.client.api_client.ApiClient object at 0x7f0869499c50&gt;
resource_path = '/apis/serving.kserve.io/v1alpha1/namespaces/e2e-test-llm-inference-service-62876e81/llminferenceservices/llmisvc-model-fb-opt-125m-route-50bc673d'
method = 'GET'
path_params = [('group', 'serving.kserve.io'), ('version', 'v1alpha1'), ('namespace', 'e2e-test-llm-inference-service-62876e81'), ('plural', 'llminferenceservices'), ('name', 'llmisvc-model-fb-opt-125m-route-50bc673d')]
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
&gt;       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 = &lt;kubernetes.client.api_client.ApiClient object at 0x7f0869499c50&gt;
method = 'GET'
url = 'https://ac01667e3e2e74a4d947d5d0eed002ea-9cfac66725a32a7f.elb.us-east-1.amazonaws.com:6443/apis/serving.kserve.io/v1alpha1/namespaces/e2e-test-llm-inference-service-62876e81/llminferenceservices/llmisvc-model-fb-opt-125m-route-50bc673d'
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":
&gt;           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 = &lt;kubernetes.client.rest.RESTClientObject object at 0x7f086949a790&gt;
url = 'https://ac01667e3e2e74a4d947d5d0eed002ea-9cfac66725a32a7f.elb.us-east-1.amazonaws.com:6443/apis/serving.kserve.io/v1alpha1/namespaces/e2e-test-llm-inference-service-62876e81/llminferenceservices/llmisvc-model-fb-opt-125m-route-50bc673d'
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):
&gt;       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 = &lt;kubernetes.client.rest.RESTClientObject object at 0x7f086949a790&gt;
method = 'GET'
url = 'https://ac01667e3e2e74a4d947d5d0eed002ea-9cfac66725a32a7f.elb.us-east-1.amazonaws.com:6443/apis/serving.kserve.io/v1alpha1/namespaces/e2e-test-llm-inference-service-62876e81/llminferenceservices/llmisvc-model-fb-opt-125m-route-50bc673d'
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 &lt;= r.status &lt;= 299:
&gt;           raise ApiException(http_resp=r)
E           kubernetes.client.exceptions.ApiException: (500)
E           Reason: Internal Server Error
E           HTTP response headers: HTTPHeaderDict({'Audit-Id': '43d28202-5dc0-4248-86f2-7312c58e9f76', 'Cache-Control': 'no-cache, private', 'Content-Type': 'application/json', 'Strict-Transport-Security': 'max-age=31536000; includeSubDomains; preload', 'X-Kubernetes-Pf-Flowschema-Uid': 'c213af1a-c3de-49ac-909e-cb7d1e2ab14f', 'X-Kubernetes-Pf-Prioritylevel-Uid': '0e82b07d-98b7-4d98-9797-e07a51af4fc5', 'Date': 'Fri, 24 Jul 2026 23:06:14 GMT', 'Content-Length': '264'})
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\": EOF","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:

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.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-gateway-1",
                    before_test=[
                        lambda tc: create_router_resources(
                            gateways=[
                                make_router_gateway(
                                    "router-gateway-1",
                                    tc.namespace,
                                ),
                            ],
                        ),
                    ],
                ),
                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-gateway-1",
                    before_test=[
                        lambda tc: create_router_resources(
                            gateways=[
                                make_router_gateway(
                                    "router-gateway-1",
                                    tc.namespace,
                                ),
                            ],
                            routes=[
                                make_router_main_route(
                                    "router-route-1",
                                    tc.namespace,
                                    "router-gateway-1",
                                    "router-with-refs-test",
                                ),
                                make_router_health_route(
                                    "router-route-2",
                                    tc.namespace,
                                    "router-gateway-1",
                                    "router-with-refs-test",
                                ),
                            ],
                        ),
                    ],
                ),
                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-gateway-2",
                    before_test=[
                        lambda tc: create_router_resources(
                            gateways=[
                                make_router_gateway(
                                    "router-gateway-2",
                                    tc.namespace,
                                ),
                            ],
                            routes=[
                                make_router_main_route(
                                    "router-route-3",
                                    tc.namespace,
                                    "router-gateway-2",
                                    "router-with-refs-pd-test",
                                ),
                                make_router_health_route(
                                    "router-route-4",
                                    tc.namespace,
                                    "router-gateway-2",
                                    "router-with-refs-pd-test",
                                ),
                            ],
                        ),
                    ],
                ),
                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=[
                        lambda tc: create_scheduler_configmap(namespace=tc.namespace)
                    ],
                    after_test=[
                        lambda tc: delete_scheduler_configmap(namespace=tc.namespace)
                    ],
                ),
                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,
                ],
            ),
            # Standalone tokenizer — clean path: token-producer in inline config
            pytest.param(
                TestCase(
                    base_refs=[
                        "router-managed",
                        "scheduler-with-tokenizer-kvcache",
                        "workload-llmd-simulator-kvcache",
                    ],
                    prompt="KServe is a",
                    service_name="tokenizer-clean-path-test",
                ),
                marks=[
                    pytest.mark.cluster_cpu,
                    pytest.mark.cluster_single_node,
                    pytest.mark.llmd_simulator,
                ],
            ),
            # Standalone tokenizer — migration path: legacy precise-prefix-cache-scorer
            # triggers auto-provisioned tokenizer without explicit tokenizer:{} field
            pytest.param(
                TestCase(
                    base_refs=[
                        "router-managed",
                        "scheduler-with-precise-prefix-cache-inline-config",
                        "workload-llmd-simulator-kvcache",
                    ],
                    prompt="KServe is a",
                    service_name="tokenizer-migration-path-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: "publishers/{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: "publishers/{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: "publishers/{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: "publishers/{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="publishers/{namespace}/models/lora-adapter-1",
                    payload_formatter=completions_payload,
                    response_assertion=assert_model_field_matches(
                        "publishers/{namespace}/models/lora-adapter-1"
                    ),
                    url_getter=get_model_routing_url,
                    extra_headers={
                        MODEL_ROUTING_HEADER: "publishers/{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",
                        "publishers/{namespace}/models/facebook/opt-125m",
                        "lora-adapter-1",
                        "publishers/{namespace}/models/lora-adapter-1",
                    ),
                    url_getter=get_model_routing_url,
                    extra_headers={
                        MODEL_ROUTING_HEADER: "publishers/{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=[lambda tc: ensure_pvc_with_model(namespace=tc.namespace)],
                ),
                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=[lambda tc: ensure_pvc_with_model(namespace=tc.namespace)],
                ),
                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=[lambda tc: ensure_pvc_with_model(namespace=tc.namespace)],
                ),
                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
        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")
&gt;           wait_for_llm_isvc_ready(
                kserve_client, test_case.llm_service, test_case.wait_timeout
            )

llmisvc/test_llm_inference_service.py:866: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

args = (&lt;kserve.api.kserve_client.KServeClient object at 0x7f086972e5d0&gt;, {'api_version': 'serving.kserve.io/v1alpha1',
 'kin...del-f-50272803'},
                       {'name': 'model-fb-opt-125m-llmisvc-model-bfc472ab'}]},
 'status': None}, 900)
kwargs = {}, func_name = 'wait_for_llm_isvc_ready'
timestamp_start = '2026-07-24T23:06:00.075287', start_time = 1784934360.0755122
duration = 14.212022066116333, timestamp_end = '2026-07-24T23:06:14.287539'

    @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:
&gt;           result = func(*args, **kwargs)

llmisvc/logging.py:40: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

kserve_client = &lt;kserve.api.kserve_client.KServeClient object at 0x7f086972e5d0&gt;
given = {'api_version': 'serving.kserve.io/v1alpha1',
 'kind': 'LLMInferenceService',
 'metadata': {'annotations': {'security....svc-model-f-50272803'},
                       {'name': 'model-fb-opt-125m-llmisvc-model-bfc472ab'}]},
 'status': None}
timeout_seconds = 900

    @log_execution
    def wait_for_llm_isvc_ready(
        kserve_client: KServeClient,
        given: V1alpha1LLMInferenceService,
        timeout_seconds: int = 900,
    ) -&gt; 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()
            all_condition_types = set()
    
            conditions = status["conditions"]
    
            for condition in conditions:
                ctype = condition.get("type")
                all_condition_types.add(ctype)
                if condition.get("status") == "True":
                    got_true_conditions.add(ctype)
    
            # When TokenizerReady is present, it must also be True
            if "TokenizerReady" in all_condition_types:
                expected_true_conditions.add("TokenizerReady")
    
            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
    
&gt;       return wait_for(assert_llm_isvc_ready, timeout=timeout_seconds, interval=1.0)

llmisvc/test_llm_inference_service.py:1376: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

assertion_fn = &lt;function wait_for_llm_isvc_ready.&lt;locals&gt;.assert_llm_isvc_ready at 0x7f086a74aac0&gt;
timeout = 900, interval = 1.0

    def wait_for(
        assertion_fn: Callable[[], Any], timeout: float = 5.0, interval: float = 0.1
    ) -&gt; Any:
        """Wait for the assertion to succeed within timeout."""
        deadline = time.time() + timeout
        last_msg = None
        while True:
            try:
&gt;               return assertion_fn()

llmisvc/test_llm_inference_service.py:1387: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

    def assert_llm_isvc_ready():
&gt;       out = get_llmisvc(
            kserve_client,
            given.metadata.name,
            given.metadata.namespace,
            given.api_version.split("/")[1],
        )

llmisvc/test_llm_inference_service.py:1339: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

kserve_client = &lt;kserve.api.kserve_client.KServeClient object at 0x7f086972e5d0&gt;
name = 'llmisvc-model-fb-opt-125m-route-50bc673d'
namespace = 'e2e-test-llm-inference-service-62876e81', 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:
&gt;           raise RuntimeError(
                f"❌ Exception when calling CustomObjectsApi-&gt;"
                f"get_namespaced_custom_object for LLMInferenceService: {e}"
            ) from e
E           RuntimeError: ❌ Exception when calling CustomObjectsApi-&gt;get_namespaced_custom_object for LLMInferenceService: (500)
E           Reason: Internal Server Error
E           HTTP response headers: HTTPHeaderDict({'Audit-Id': '43d28202-5dc0-4248-86f2-7312c58e9f76', 'Cache-Control': 'no-cache, private', 'Content-Type': 'application/json', 'Strict-Transport-Security': 'max-age=31536000; includeSubDomains; preload', 'X-Kubernetes-Pf-Flowschema-Uid': 'c213af1a-c3de-49ac-909e-cb7d1e2ab14f', 'X-Kubernetes-Pf-Prioritylevel-Uid': '0e82b07d-98b7-4d98-9797-e07a51af4fc5', 'Date': 'Fri, 24 Jul 2026 23:06:14 GMT', 'Content-Length': '264'})
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\": EOF","code":500}

llmisvc/test_llm_inference_service.py:1212: RuntimeError</failure></testcase><testcase classname="llmisvc.test_llm_inference_service" name="test_llm_inference_service[cluster_cpu-cluster_single_node-router-custom-route-timeout-pd-scheduler-managed-workload-pd-cpu-model-fb-opt-125m]" time="0.163"><error message="failed on setup with &quot;kubernetes.client.exceptions.ApiException: (500)&#10;Reason: Internal Server Error&#10;HTTP response headers: HTTPHeaderDict({'Audit-Id': 'efe49826-e165-43f0-8b01-45e87a115406', 'Cache-Control': 'no-cache, private', 'Content-Type': 'application/json', 'Strict-Transport-Security': 'max-age=31536000; includeSubDomains; preload', 'X-Kubernetes-Pf-Flowschema-Uid': 'c213af1a-c3de-49ac-909e-cb7d1e2ab14f', 'X-Kubernetes-Pf-Prioritylevel-Uid': '0e82b07d-98b7-4d98-9797-e07a51af4fc5', 'Date': 'Fri, 24 Jul 2026 23:06:15 GMT', 'Content-Length': '701'})&#10;HTTP response body: {&quot;kind&quot;:&quot;Status&quot;,&quot;apiVersion&quot;:&quot;v1&quot;,&quot;metadata&quot;:{},&quot;status&quot;:&quot;Failure&quot;,&quot;message&quot;:&quot;Internal error occurred: failed calling webhook \&quot;llminferenceserviceconfig.kserve-webhook-server.v1alpha1.validator\&quot;: failed to call webhook: Post \&quot;https://llmisvc-webhook-server-service.kserve.svc:443/validate-serving-kserve-io-v1alpha1-llminferenceserviceconfig?timeout=10s\&quot;: EOF&quot;,&quot;reason&quot;:&quot;InternalError&quot;,&quot;details&quot;:{&quot;causes&quot;:[{&quot;message&quot;:&quot;failed calling webhook \&quot;llminferenceserviceconfig.kserve-webhook-server.v1alpha1.validator\&quot;: failed to call webhook: Post \&quot;https://llmisvc-webhook-server-service.kserve.svc:443/validate-serving-kserve-io-v1alpha1-llminferenceserviceconfig?timeout=10s\&quot;: EOF&quot;}]},&quot;code&quot;:500}&quot;">kserve_client = &lt;kserve.api.kserve_client.KServeClient object at 0x7f086a01c910&gt;
llm_config = {'apiVersion': 'serving.kserve.io/v1alpha1', 'kind': 'LLMInferenceServiceConfig', 'metadata': {'name': 'router-custom-...t-llm-inference-service-d73d44f4'}, 'spec': {'router': {'gateway': {}, 'route': {'http': {'spec': {'rules': [...]}}}}}}
namespace = 'e2e-test-llm-inference-service-d73d44f4'

    def _create_or_update_llmisvc_config(kserve_client, llm_config, namespace=None):
        """Create or update an LLMInferenceServiceConfig resource."""
        version = llm_config["apiVersion"].split("/")[1]
    
        if namespace is None:
            namespace = llm_config.get("metadata", {}).get("namespace", "default")
    
        name = llm_config.get("metadata", {}).get("name")
        if not name:
            raise ValueError("LLMInferenceServiceConfig must have a name in metadata")
    
        logger.info(f"Checking LLMInferenceServiceConfig {name} in namespace {namespace}")
    
        try:
&gt;           existing_config = kserve_client.api_instance.get_namespaced_custom_object(
                constants.KSERVE_GROUP,
                version,
                namespace,
                KSERVE_PLURAL_LLMINFERENCESERVICECONFIG,
                name,
            )

llmisvc/fixtures.py:1721: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = &lt;kubernetes.client.api.custom_objects_api.CustomObjectsApi object at 0x7f086a7e26d0&gt;
group = 'serving.kserve.io', version = 'v1alpha1'
namespace = 'e2e-test-llm-inference-service-d73d44f4'
plural = 'llminferenceserviceconfigs'
name = 'router-custom-route-timeout-pd-8b408578'
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
        &gt;&gt;&gt; thread = api.get_namespaced_custom_object(group, version, namespace, plural, name, async_req=True)
        &gt;&gt;&gt; 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
&gt;       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 = &lt;kubernetes.client.api.custom_objects_api.CustomObjectsApi object at 0x7f086a7e26d0&gt;
group = 'serving.kserve.io', version = 'v1alpha1'
namespace = 'e2e-test-llm-inference-service-d73d44f4'
plural = 'llminferenceserviceconfigs'
name = 'router-custom-route-timeout-pd-8b408578'
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': 'router-custom-route-timeout-pd-8b408578', 'namespace': 'e2e-test-llm-inference-service-d73d44f4', 'plural': 'llminferenceserviceconfigs', ...}
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
        &gt;&gt;&gt; thread = api.get_namespaced_custom_object_with_http_info(group, version, namespace, plural, name, async_req=True)
        &gt;&gt;&gt; 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
    
&gt;       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 = &lt;kubernetes.client.api_client.ApiClient object at 0x7f086a7e0e10&gt;
resource_path = '/apis/{group}/{version}/namespaces/{namespace}/{plural}/{name}'
method = 'GET'
path_params = {'group': 'serving.kserve.io', 'name': 'router-custom-route-timeout-pd-8b408578', 'namespace': 'e2e-test-llm-inference-service-d73d44f4', 'plural': 'llminferenceserviceconfigs', ...}
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 -&gt; filename, value -&gt; 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:
&gt;           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 = &lt;kubernetes.client.api_client.ApiClient object at 0x7f086a7e0e10&gt;
resource_path = '/apis/serving.kserve.io/v1alpha1/namespaces/e2e-test-llm-inference-service-d73d44f4/llminferenceserviceconfigs/router-custom-route-timeout-pd-8b408578'
method = 'GET'
path_params = [('group', 'serving.kserve.io'), ('version', 'v1alpha1'), ('namespace', 'e2e-test-llm-inference-service-d73d44f4'), ('plural', 'llminferenceserviceconfigs'), ('name', 'router-custom-route-timeout-pd-8b408578')]
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
&gt;       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 = &lt;kubernetes.client.api_client.ApiClient object at 0x7f086a7e0e10&gt;
method = 'GET'
url = 'https://ac01667e3e2e74a4d947d5d0eed002ea-9cfac66725a32a7f.elb.us-east-1.amazonaws.com:6443/apis/serving.kserve.io/v1a.../namespaces/e2e-test-llm-inference-service-d73d44f4/llminferenceserviceconfigs/router-custom-route-timeout-pd-8b408578'
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":
&gt;           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 = &lt;kubernetes.client.rest.RESTClientObject object at 0x7f086a7e1ed0&gt;
url = 'https://ac01667e3e2e74a4d947d5d0eed002ea-9cfac66725a32a7f.elb.us-east-1.amazonaws.com:6443/apis/serving.kserve.io/v1a.../namespaces/e2e-test-llm-inference-service-d73d44f4/llminferenceserviceconfigs/router-custom-route-timeout-pd-8b408578'
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):
&gt;       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 = &lt;kubernetes.client.rest.RESTClientObject object at 0x7f086a7e1ed0&gt;
method = 'GET'
url = 'https://ac01667e3e2e74a4d947d5d0eed002ea-9cfac66725a32a7f.elb.us-east-1.amazonaws.com:6443/apis/serving.kserve.io/v1a.../namespaces/e2e-test-llm-inference-service-d73d44f4/llminferenceserviceconfigs/router-custom-route-timeout-pd-8b408578'
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 &lt;= r.status &lt;= 299:
&gt;           raise ApiException(http_resp=r)
E           kubernetes.client.exceptions.ApiException: (404)
E           Reason: Not Found
E           HTTP response headers: HTTPHeaderDict({'Audit-Id': '049b295f-8d71-48c1-a835-5ade9bfcb06d', 'Cache-Control': 'no-cache, private', 'Content-Type': 'application/json', 'Strict-Transport-Security': 'max-age=31536000; includeSubDomains; preload', 'X-Kubernetes-Pf-Flowschema-Uid': 'c213af1a-c3de-49ac-909e-cb7d1e2ab14f', 'X-Kubernetes-Pf-Prioritylevel-Uid': '0e82b07d-98b7-4d98-9797-e07a51af4fc5', 'Date': 'Fri, 24 Jul 2026 23:06:15 GMT', 'Content-Length': '336'})
E           HTTP response body: {"kind":"Status","apiVersion":"v1","metadata":{},"status":"Failure","message":"llminferenceserviceconfigs.serving.kserve.io \"router-custom-route-timeout-pd-8b408578\" not found","reason":"NotFound","details":{"name":"router-custom-route-timeout-pd-8b408578","group":"serving.kserve.io","kind":"llminferenceserviceconfigs"},"code":404}

../../python/kserve/.venv/lib64/python3.11/site-packages/kubernetes/client/rest.py:238: ApiException

During handling of the above exception, another exception occurred:

request = &lt;SubRequest 'ensure_gateway_proxy_memory' for &lt;Function test_llm_inference_service[router-custom-route-timeout-pd-scheduler-managed-workload-pd-cpu-model-fb-opt-125m]&gt;&gt;

    @pytest.fixture(autouse=True)
    def ensure_gateway_proxy_memory(request):
        """After test setup creates gateways, patch them for proxy memory."""
        if not GATEWAY_PROXY_MEMORY:
            return
    
        # Let test_case (llmisvc) create gateways first
    
        if "test_case" in request.fixturenames:
&gt;           request.getfixturevalue("test_case")

common/gateway_proxy_istio.py:183: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

request = &lt;SubRequest 'test_case' for &lt;Function test_llm_inference_service[router-custom-route-timeout-pd-scheduler-managed-workload-pd-cpu-model-fb-opt-125m]&gt;&gt;
test_namespace = 'e2e-test-llm-inference-service-d73d44f4'

    @pytest.fixture(scope="function")
    def test_case(request, test_namespace):
        tc = request.param
        ns = test_namespace
    
        inject_k8s_proxy()
    
        kserve_client = KServeClient(
            config_file=os.environ.get("KUBECONFIG", "~/.kube/config"),
            client_configuration=client.Configuration(),
        )
    
        tc.namespace = ns
        for peer in tc.peers:
            peer.namespace = ns
    
        for func in tc.before_test:
            func(tc)
    
&gt;       _setup_test_case_service(kserve_client, tc, request.node.name, namespace=ns)

llmisvc/fixtures.py:1611: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

kserve_client = &lt;kserve.api.kserve_client.KServeClient object at 0x7f086a01c910&gt;
tc = TestCase(base_refs=['router-custom-route-timeout-pd', 'scheduler-managed', 'workload-pd-cpu', 'model-fb-opt-125m'], pr...inference-service-d73d44f4', before_test=[], after_test=[], peers=[], llm_service=None, model_name='facebook/opt-125m')
test_node_name = 'test_llm_inference_service[router-custom-route-timeout-pd-scheduler-managed-workload-pd-cpu-model-fb-opt-125m]'
namespace = 'e2e-test-llm-inference-service-d73d44f4', peer_index = None

    def _setup_test_case_service(
        kserve_client, tc, test_node_name, namespace, peer_index=None
    ):
        """Create LLMInferenceServiceConfigs and build the LLMInferenceService for a TestCase.
    
        Returns a list of created config names for cleanup tracking.
        """
        missing_refs = [
            ref for ref in tc.base_refs if ref not in LLMINFERENCESERVICE_CONFIGS
        ]
        if missing_refs:
            raise ValueError(
                f"Missing base_refs in LLMINFERENCESERVICE_CONFIGS: {missing_refs}"
            )
        if not tc.service_name:
            suffix = f"-peer-{peer_index}" if peer_index is not None else ""
            tc.service_name = generate_service_name(test_node_name + suffix, tc.base_refs)
        if tc.model_name == "default/model":
            tc.model_name = _get_model_name_from_configs(tc.base_refs)
        elif "{namespace}" in tc.model_name:
            tc.model_name = tc.model_name.format(namespace=namespace)
    
        created_configs = []
        unique_base_refs = []
        for base_ref in tc.base_refs:
            unique_config_name = generate_k8s_safe_suffix(base_ref, [tc.service_name])
            unique_base_refs.append(unique_config_name)
    
            config = LLMINFERENCESERVICE_CONFIGS[base_ref]
            spec = config(namespace) if callable(config) else copy.deepcopy(config)
    
            unique_config_body = {
                "apiVersion": "serving.kserve.io/v1alpha1",
                "kind": "LLMInferenceServiceConfig",
                "metadata": {
                    "name": unique_config_name,
                    "namespace": namespace,
                },
                "spec": spec,
            }
    
&gt;           _create_or_update_llmisvc_config(kserve_client, unique_config_body, namespace)

llmisvc/fixtures.py:1573: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

kserve_client = &lt;kserve.api.kserve_client.KServeClient object at 0x7f086a01c910&gt;
llm_config = {'apiVersion': 'serving.kserve.io/v1alpha1', 'kind': 'LLMInferenceServiceConfig', 'metadata': {'name': 'router-custom-...t-llm-inference-service-d73d44f4'}, 'spec': {'router': {'gateway': {}, 'route': {'http': {'spec': {'rules': [...]}}}}}}
namespace = 'e2e-test-llm-inference-service-d73d44f4'

    def _create_or_update_llmisvc_config(kserve_client, llm_config, namespace=None):
        """Create or update an LLMInferenceServiceConfig resource."""
        version = llm_config["apiVersion"].split("/")[1]
    
        if namespace is None:
            namespace = llm_config.get("metadata", {}).get("namespace", "default")
    
        name = llm_config.get("metadata", {}).get("name")
        if not name:
            raise ValueError("LLMInferenceServiceConfig must have a name in metadata")
    
        logger.info(f"Checking LLMInferenceServiceConfig {name} in namespace {namespace}")
    
        try:
            existing_config = kserve_client.api_instance.get_namespaced_custom_object(
                constants.KSERVE_GROUP,
                version,
                namespace,
                KSERVE_PLURAL_LLMINFERENCESERVICECONFIG,
                name,
            )
    
            llm_config["metadata"] = existing_config["metadata"]
    
            outputs = kserve_client.api_instance.replace_namespaced_custom_object(
                constants.KSERVE_GROUP,
                version,
                namespace,
                KSERVE_PLURAL_LLMINFERENCESERVICECONFIG,
                name,
                llm_config,
            )
            logger.info(f"✓ Successfully updated LLMInferenceServiceConfig {name}")
            return outputs
    
        except client.rest.ApiException as e:
            if e.status == 404:  # Not found - create it
                logger.info(
                    f"Resource not found, creating LLMInferenceServiceConfig {name}"
                )
&gt;               outputs = kserve_client.api_instance.create_namespaced_custom_object(
                    constants.KSERVE_GROUP,
                    version,
                    namespace,
                    KSERVE_PLURAL_LLMINFERENCESERVICECONFIG,
                    llm_config,
                )

llmisvc/fixtures.py:1747: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = &lt;kubernetes.client.api.custom_objects_api.CustomObjectsApi object at 0x7f086a7e26d0&gt;
group = 'serving.kserve.io', version = 'v1alpha1'
namespace = 'e2e-test-llm-inference-service-d73d44f4'
plural = 'llminferenceserviceconfigs'
body = {'apiVersion': 'serving.kserve.io/v1alpha1', 'kind': 'LLMInferenceServiceConfig', 'metadata': {'name': 'router-custom-...t-llm-inference-service-d73d44f4'}, 'spec': {'router': {'gateway': {}, 'route': {'http': {'spec': {'rules': [...]}}}}}}
kwargs = {'_return_http_data_only': True}

    def create_namespaced_custom_object(self, group, version, namespace, plural, body, **kwargs):  # noqa: E501
        """create_namespaced_custom_object  # noqa: E501
    
        Creates 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
        &gt;&gt;&gt; thread = api.create_namespaced_custom_object(group, version, namespace, plural, body, async_req=True)
        &gt;&gt;&gt; result = thread.get()
    
        :param async_req bool: execute request asynchronously
        :param str group: The custom resource's group name (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 object body: The JSON schema of the Resource to create. (required)
        :param str pretty: If 'true', then the output is pretty printed.
        :param str dry_run: When present, indicates that modifications should not be persisted. An invalid or unrecognized dryRun directive will result in an error response and no further processing of the request. Valid values are: - All: all dry run stages will be processed
        :param str field_manager: fieldManager is a name associated with the actor or entity that is making these changes. The value must be less than or 128 characters long, and only contain printable characters, as defined by https://golang.org/pkg/unicode/#IsPrint.
        :param str field_validation: fieldValidation instructs the server on how to handle objects in the request (POST/PUT/PATCH) containing unknown or duplicate fields. Valid values are: - Ignore: This will ignore any unknown fields that are silently dropped from the object, and will ignore all but the last duplicate field that the decoder encounters. This is the default behavior prior to v1.23. - Warn: This will send a warning via the standard warning response header for each unknown field that is dropped from the object, and for each duplicate field that is encountered. The request will still succeed if there are no other errors, and will only persist the last of any duplicate fields. This is the default in v1.23+ - Strict: This will fail the request with a BadRequest error if any unknown fields would be dropped from the object, or if any duplicate fields are present. The error returned from the server will contain all unknown and duplicate fields encountered. (optional)
        :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
&gt;       return self.create_namespaced_custom_object_with_http_info(group, version, namespace, plural, body, **kwargs)  # noqa: E501

../../python/kserve/.venv/lib64/python3.11/site-packages/kubernetes/client/api/custom_objects_api.py:231: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = &lt;kubernetes.client.api.custom_objects_api.CustomObjectsApi object at 0x7f086a7e26d0&gt;
group = 'serving.kserve.io', version = 'v1alpha1'
namespace = 'e2e-test-llm-inference-service-d73d44f4'
plural = 'llminferenceserviceconfigs'
body = {'apiVersion': 'serving.kserve.io/v1alpha1', 'kind': 'LLMInferenceServiceConfig', 'metadata': {'name': 'router-custom-...t-llm-inference-service-d73d44f4'}, 'spec': {'router': {'gateway': {}, 'route': {'http': {'spec': {'rules': [...]}}}}}}
kwargs = {'_return_http_data_only': True}
local_var_params = {'_return_http_data_only': True, 'all_params': ['group', 'version', 'namespace', 'plural', 'body', 'pretty', ...], 'au...e-test-llm-inference-service-d73d44f4'}, 'spec': {'router': {'gateway': {}, 'route': {'http': {'spec': {...}}}}}}, ...}
all_params = ['group', 'version', 'namespace', 'plural', 'body', 'pretty', ...]
key = '_return_http_data_only', val = True, collection_formats = {}
path_params = {'group': 'serving.kserve.io', 'namespace': 'e2e-test-llm-inference-service-d73d44f4', 'plural': 'llminferenceserviceconfigs', 'version': 'v1alpha1'}
query_params = []

    def create_namespaced_custom_object_with_http_info(self, group, version, namespace, plural, body, **kwargs):  # noqa: E501
        """create_namespaced_custom_object  # noqa: E501
    
        Creates 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
        &gt;&gt;&gt; thread = api.create_namespaced_custom_object_with_http_info(group, version, namespace, plural, body, async_req=True)
        &gt;&gt;&gt; result = thread.get()
    
        :param async_req bool: execute request asynchronously
        :param str group: The custom resource's group name (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 object body: The JSON schema of the Resource to create. (required)
        :param str pretty: If 'true', then the output is pretty printed.
        :param str dry_run: When present, indicates that modifications should not be persisted. An invalid or unrecognized dryRun directive will result in an error response and no further processing of the request. Valid values are: - All: all dry run stages will be processed
        :param str field_manager: fieldManager is a name associated with the actor or entity that is making these changes. The value must be less than or 128 characters long, and only contain printable characters, as defined by https://golang.org/pkg/unicode/#IsPrint.
        :param str field_validation: fieldValidation instructs the server on how to handle objects in the request (POST/PUT/PATCH) containing unknown or duplicate fields. Valid values are: - Ignore: This will ignore any unknown fields that are silently dropped from the object, and will ignore all but the last duplicate field that the decoder encounters. This is the default behavior prior to v1.23. - Warn: This will send a warning via the standard warning response header for each unknown field that is dropped from the object, and for each duplicate field that is encountered. The request will still succeed if there are no other errors, and will only persist the last of any duplicate fields. This is the default in v1.23+ - Strict: This will fail the request with a BadRequest error if any unknown fields would be dropped from the object, or if any duplicate fields are present. The error returned from the server will contain all unknown and duplicate fields encountered. (optional)
        :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',
            'body',
            'pretty',
            'dry_run',
            'field_manager',
            'field_validation'
        ]
        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 create_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 `create_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 `create_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 `create_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 `create_namespaced_custom_object`")  # noqa: E501
        # verify the required parameter 'body' is set
        if self.api_client.client_side_validation and ('body' not in local_var_params or  # noqa: E501
                                                        local_var_params['body'] is None):  # noqa: E501
            raise ApiValueError("Missing the required parameter `body` when calling `create_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
    
        query_params = []
        if 'pretty' in local_var_params and local_var_params['pretty'] is not None:  # noqa: E501
            query_params.append(('pretty', local_var_params['pretty']))  # noqa: E501
        if 'dry_run' in local_var_params and local_var_params['dry_run'] is not None:  # noqa: E501
            query_params.append(('dryRun', local_var_params['dry_run']))  # noqa: E501
        if 'field_manager' in local_var_params and local_var_params['field_manager'] is not None:  # noqa: E501
            query_params.append(('fieldManager', local_var_params['field_manager']))  # noqa: E501
        if 'field_validation' in local_var_params and local_var_params['field_validation'] is not None:  # noqa: E501
            query_params.append(('fieldValidation', local_var_params['field_validation']))  # noqa: E501
    
        header_params = {}
    
        form_params = []
        local_var_files = {}
    
        body_params = None
        if 'body' in local_var_params:
            body_params = local_var_params['body']
        # HTTP header `Accept`
        header_params['Accept'] = self.api_client.select_header_accept(
            ['application/json'])  # noqa: E501
    
        # Authentication setting
        auth_settings = ['BearerToken']  # noqa: E501
    
&gt;       return self.api_client.call_api(
            '/apis/{group}/{version}/namespaces/{namespace}/{plural}', 'POST',
            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:354: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = &lt;kubernetes.client.api_client.ApiClient object at 0x7f086a7e0e10&gt;
resource_path = '/apis/{group}/{version}/namespaces/{namespace}/{plural}'
method = 'POST'
path_params = {'group': 'serving.kserve.io', 'namespace': 'e2e-test-llm-inference-service-d73d44f4', 'plural': 'llminferenceserviceconfigs', 'version': 'v1alpha1'}
query_params = []
header_params = {'Accept': 'application/json', 'User-Agent': 'OpenAPI-Generator/32.0.1/python'}
body = {'apiVersion': 'serving.kserve.io/v1alpha1', 'kind': 'LLMInferenceServiceConfig', 'metadata': {'name': 'router-custom-...t-llm-inference-service-d73d44f4'}, 'spec': {'router': {'gateway': {}, 'route': {'http': {'spec': {'rules': [...]}}}}}}
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 -&gt; filename, value -&gt; 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:
&gt;           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 = &lt;kubernetes.client.api_client.ApiClient object at 0x7f086a7e0e10&gt;
resource_path = '/apis/serving.kserve.io/v1alpha1/namespaces/e2e-test-llm-inference-service-d73d44f4/llminferenceserviceconfigs'
method = 'POST'
path_params = [('group', 'serving.kserve.io'), ('version', 'v1alpha1'), ('namespace', 'e2e-test-llm-inference-service-d73d44f4'), ('plural', 'llminferenceserviceconfigs')]
query_params = []
header_params = {'Accept': 'application/json', 'Content-Type': 'application/json', 'User-Agent': 'OpenAPI-Generator/32.0.1/python'}
body = {'apiVersion': 'serving.kserve.io/v1alpha1', 'kind': 'LLMInferenceServiceConfig', 'metadata': {'name': 'router-custom-...t-llm-inference-service-d73d44f4'}, 'spec': {'router': {'gateway': {}, 'route': {'http': {'spec': {'rules': [...]}}}}}}
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
&gt;       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 = &lt;kubernetes.client.api_client.ApiClient object at 0x7f086a7e0e10&gt;
method = 'POST'
url = 'https://ac01667e3e2e74a4d947d5d0eed002ea-9cfac66725a32a7f.elb.us-east-1.amazonaws.com:6443/apis/serving.kserve.io/v1alpha1/namespaces/e2e-test-llm-inference-service-d73d44f4/llminferenceserviceconfigs'
query_params = []
headers = {'Accept': 'application/json', 'Content-Type': 'application/json', 'User-Agent': 'OpenAPI-Generator/32.0.1/python'}
post_params = []
body = {'apiVersion': 'serving.kserve.io/v1alpha1', 'kind': 'LLMInferenceServiceConfig', 'metadata': {'name': 'router-custom-...t-llm-inference-service-d73d44f4'}, 'spec': {'router': {'gateway': {}, 'route': {'http': {'spec': {'rules': [...]}}}}}}
_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,
                                        headers=headers)
        elif method == "HEAD":
            return self.rest_client.HEAD(url,
                                         query_params=query_params,
                                         _preload_content=_preload_content,
                                         _request_timeout=_request_timeout,
                                         headers=headers)
        elif method == "OPTIONS":
            return self.rest_client.OPTIONS(url,
                                            query_params=query_params,
                                            headers=headers,
                                            _preload_content=_preload_content,
                                            _request_timeout=_request_timeout)
        elif method == "POST":
&gt;           return self.rest_client.POST(url,
                                         query_params=query_params,
                                         headers=headers,
                                         post_params=post_params,
                                         _preload_content=_preload_content,
                                         _request_timeout=_request_timeout,

../../python/kserve/.venv/lib64/python3.11/site-packages/kubernetes/client/api_client.py:391: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = &lt;kubernetes.client.rest.RESTClientObject object at 0x7f086a7e1ed0&gt;
url = 'https://ac01667e3e2e74a4d947d5d0eed002ea-9cfac66725a32a7f.elb.us-east-1.amazonaws.com:6443/apis/serving.kserve.io/v1alpha1/namespaces/e2e-test-llm-inference-service-d73d44f4/llminferenceserviceconfigs'
headers = {'Accept': 'application/json', 'Content-Type': 'application/json', 'User-Agent': 'OpenAPI-Generator/32.0.1/python'}
query_params = [], post_params = []
body = {'apiVersion': 'serving.kserve.io/v1alpha1', 'kind': 'LLMInferenceServiceConfig', 'metadata': {'name': 'router-custom-...t-llm-inference-service-d73d44f4'}, 'spec': {'router': {'gateway': {}, 'route': {'http': {'spec': {'rules': [...]}}}}}}
_preload_content = True, _request_timeout = None

    def POST(self, url, headers=None, query_params=None, post_params=None,
             body=None, _preload_content=True, _request_timeout=None):
&gt;       return self.request("POST", url,
                            headers=headers,
                            query_params=query_params,
                            post_params=post_params,
                            _preload_content=_preload_content,
                            _request_timeout=_request_timeout,
                            body=body)

../../python/kserve/.venv/lib64/python3.11/site-packages/kubernetes/client/rest.py:279: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = &lt;kubernetes.client.rest.RESTClientObject object at 0x7f086a7e1ed0&gt;
method = 'POST'
url = 'https://ac01667e3e2e74a4d947d5d0eed002ea-9cfac66725a32a7f.elb.us-east-1.amazonaws.com:6443/apis/serving.kserve.io/v1alpha1/namespaces/e2e-test-llm-inference-service-d73d44f4/llminferenceserviceconfigs'
query_params = []
headers = {'Accept': 'application/json', 'Content-Type': 'application/json', 'User-Agent': 'OpenAPI-Generator/32.0.1/python'}
body = {'apiVersion': 'serving.kserve.io/v1alpha1', 'kind': 'LLMInferenceServiceConfig', 'metadata': {'name': 'router-custom-...t-llm-inference-service-d73d44f4'}, 'spec': {'router': {'gateway': {}, 'route': {'http': {'spec': {'rules': [...]}}}}}}
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 &lt;= r.status &lt;= 299:
&gt;           raise ApiException(http_resp=r)
E           kubernetes.client.exceptions.ApiException: (500)
E           Reason: Internal Server Error
E           HTTP response headers: HTTPHeaderDict({'Audit-Id': 'efe49826-e165-43f0-8b01-45e87a115406', 'Cache-Control': 'no-cache, private', 'Content-Type': 'application/json', 'Strict-Transport-Security': 'max-age=31536000; includeSubDomains; preload', 'X-Kubernetes-Pf-Flowschema-Uid': 'c213af1a-c3de-49ac-909e-cb7d1e2ab14f', 'X-Kubernetes-Pf-Prioritylevel-Uid': '0e82b07d-98b7-4d98-9797-e07a51af4fc5', 'Date': 'Fri, 24 Jul 2026 23:06:15 GMT', 'Content-Length': '701'})
E           HTTP response body: {"kind":"Status","apiVersion":"v1","metadata":{},"status":"Failure","message":"Internal error occurred: failed calling webhook \"llminferenceserviceconfig.kserve-webhook-server.v1alpha1.validator\": failed to call webhook: Post \"https://llmisvc-webhook-server-service.kserve.svc:443/validate-serving-kserve-io-v1alpha1-llminferenceserviceconfig?timeout=10s\": EOF","reason":"InternalError","details":{"causes":[{"message":"failed calling webhook \"llminferenceserviceconfig.kserve-webhook-server.v1alpha1.validator\": failed to call webhook: Post \"https://llmisvc-webhook-server-service.kserve.svc:443/validate-serving-kserve-io-v1alpha1-llminferenceserviceconfig?timeout=10s\": EOF"}]},"code":500}

../../python/kserve/.venv/lib64/python3.11/site-packages/kubernetes/client/rest.py:238: ApiException</error></testcase><testcase classname="llmisvc.test_llm_inference_service" name="test_llm_inference_service[cluster_cpu-cluster_single_node-router-with-refs-pd-scheduler-managed-workload-pd-cpu-model-fb-opt-125m]" time="0.233"><error message="failed on setup with &quot;kubernetes.client.exceptions.ApiException: (500)&#10;Reason: Internal Server Error&#10;HTTP response headers: HTTPHeaderDict({'Audit-Id': '61976d6d-3828-4d4e-9ba4-59309a9b7378', 'Cache-Control': 'no-cache, private', 'Content-Type': 'application/json', 'Strict-Transport-Security': 'max-age=31536000; includeSubDomains; preload', 'X-Kubernetes-Pf-Flowschema-Uid': 'c213af1a-c3de-49ac-909e-cb7d1e2ab14f', 'X-Kubernetes-Pf-Prioritylevel-Uid': '0e82b07d-98b7-4d98-9797-e07a51af4fc5', 'Date': 'Fri, 24 Jul 2026 23:06:16 GMT', 'Content-Length': '701'})&#10;HTTP response body: {&quot;kind&quot;:&quot;Status&quot;,&quot;apiVersion&quot;:&quot;v1&quot;,&quot;metadata&quot;:{},&quot;status&quot;:&quot;Failure&quot;,&quot;message&quot;:&quot;Internal error occurred: failed calling webhook \&quot;llminferenceserviceconfig.kserve-webhook-server.v1alpha1.validator\&quot;: failed to call webhook: Post \&quot;https://llmisvc-webhook-server-service.kserve.svc:443/validate-serving-kserve-io-v1alpha1-llminferenceserviceconfig?timeout=10s\&quot;: EOF&quot;,&quot;reason&quot;:&quot;InternalError&quot;,&quot;details&quot;:{&quot;causes&quot;:[{&quot;message&quot;:&quot;failed calling webhook \&quot;llminferenceserviceconfig.kserve-webhook-server.v1alpha1.validator\&quot;: failed to call webhook: Post \&quot;https://llmisvc-webhook-server-service.kserve.svc:443/validate-serving-kserve-io-v1alpha1-llminferenceserviceconfig?timeout=10s\&quot;: EOF&quot;}]},&quot;code&quot;:500}&quot;">kserve_client = &lt;kserve.api.kserve_client.KServeClient object at 0x7f08693605d0&gt;
llm_config = {'apiVersion': 'serving.kserve.io/v1alpha1', 'kind': 'LLMInferenceServiceConfig', 'metadata': {'name': 'router-with-re...r-gateway-2', 'namespace': 'e2e-test-llm-inference-service-b5dd93e6'}]}, 'route': {'http': {'refs': [{...}, {...}]}}}}}
namespace = 'e2e-test-llm-inference-service-b5dd93e6'

    def _create_or_update_llmisvc_config(kserve_client, llm_config, namespace=None):
        """Create or update an LLMInferenceServiceConfig resource."""
        version = llm_config["apiVersion"].split("/")[1]
    
        if namespace is None:
            namespace = llm_config.get("metadata", {}).get("namespace", "default")
    
        name = llm_config.get("metadata", {}).get("name")
        if not name:
            raise ValueError("LLMInferenceServiceConfig must have a name in metadata")
    
        logger.info(f"Checking LLMInferenceServiceConfig {name} in namespace {namespace}")
    
        try:
&gt;           existing_config = kserve_client.api_instance.get_namespaced_custom_object(
                constants.KSERVE_GROUP,
                version,
                namespace,
                KSERVE_PLURAL_LLMINFERENCESERVICECONFIG,
                name,
            )

llmisvc/fixtures.py:1721: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = &lt;kubernetes.client.api.custom_objects_api.CustomObjectsApi object at 0x7f086a65fc10&gt;
group = 'serving.kserve.io', version = 'v1alpha1'
namespace = 'e2e-test-llm-inference-service-b5dd93e6'
plural = 'llminferenceserviceconfigs'
name = 'router-with-refs-pd-router-with-c2ec731e'
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
        &gt;&gt;&gt; thread = api.get_namespaced_custom_object(group, version, namespace, plural, name, async_req=True)
        &gt;&gt;&gt; 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
&gt;       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 = &lt;kubernetes.client.api.custom_objects_api.CustomObjectsApi object at 0x7f086a65fc10&gt;
group = 'serving.kserve.io', version = 'v1alpha1'
namespace = 'e2e-test-llm-inference-service-b5dd93e6'
plural = 'llminferenceserviceconfigs'
name = 'router-with-refs-pd-router-with-c2ec731e'
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': 'router-with-refs-pd-router-with-c2ec731e', 'namespace': 'e2e-test-llm-inference-service-b5dd93e6', 'plural': 'llminferenceserviceconfigs', ...}
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
        &gt;&gt;&gt; thread = api.get_namespaced_custom_object_with_http_info(group, version, namespace, plural, name, async_req=True)
        &gt;&gt;&gt; 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
    
&gt;       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 = &lt;kubernetes.client.api_client.ApiClient object at 0x7f086a65e550&gt;
resource_path = '/apis/{group}/{version}/namespaces/{namespace}/{plural}/{name}'
method = 'GET'
path_params = {'group': 'serving.kserve.io', 'name': 'router-with-refs-pd-router-with-c2ec731e', 'namespace': 'e2e-test-llm-inference-service-b5dd93e6', 'plural': 'llminferenceserviceconfigs', ...}
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 -&gt; filename, value -&gt; 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:
&gt;           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 = &lt;kubernetes.client.api_client.ApiClient object at 0x7f086a65e550&gt;
resource_path = '/apis/serving.kserve.io/v1alpha1/namespaces/e2e-test-llm-inference-service-b5dd93e6/llminferenceserviceconfigs/router-with-refs-pd-router-with-c2ec731e'
method = 'GET'
path_params = [('group', 'serving.kserve.io'), ('version', 'v1alpha1'), ('namespace', 'e2e-test-llm-inference-service-b5dd93e6'), ('plural', 'llminferenceserviceconfigs'), ('name', 'router-with-refs-pd-router-with-c2ec731e')]
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
&gt;       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 = &lt;kubernetes.client.api_client.ApiClient object at 0x7f086a65e550&gt;
method = 'GET'
url = 'https://ac01667e3e2e74a4d947d5d0eed002ea-9cfac66725a32a7f.elb.us-east-1.amazonaws.com:6443/apis/serving.kserve.io/v1a...namespaces/e2e-test-llm-inference-service-b5dd93e6/llminferenceserviceconfigs/router-with-refs-pd-router-with-c2ec731e'
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":
&gt;           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 = &lt;kubernetes.client.rest.RESTClientObject object at 0x7f086a65d1d0&gt;
url = 'https://ac01667e3e2e74a4d947d5d0eed002ea-9cfac66725a32a7f.elb.us-east-1.amazonaws.com:6443/apis/serving.kserve.io/v1a...namespaces/e2e-test-llm-inference-service-b5dd93e6/llminferenceserviceconfigs/router-with-refs-pd-router-with-c2ec731e'
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):
&gt;       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 = &lt;kubernetes.client.rest.RESTClientObject object at 0x7f086a65d1d0&gt;
method = 'GET'
url = 'https://ac01667e3e2e74a4d947d5d0eed002ea-9cfac66725a32a7f.elb.us-east-1.amazonaws.com:6443/apis/serving.kserve.io/v1a...namespaces/e2e-test-llm-inference-service-b5dd93e6/llminferenceserviceconfigs/router-with-refs-pd-router-with-c2ec731e'
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 &lt;= r.status &lt;= 299:
&gt;           raise ApiException(http_resp=r)
E           kubernetes.client.exceptions.ApiException: (404)
E           Reason: Not Found
E           HTTP response headers: HTTPHeaderDict({'Audit-Id': '2dea48b8-44c3-4dfd-902b-cdba747c3904', 'Cache-Control': 'no-cache, private', 'Content-Type': 'application/json', 'Strict-Transport-Security': 'max-age=31536000; includeSubDomains; preload', 'X-Kubernetes-Pf-Flowschema-Uid': 'c213af1a-c3de-49ac-909e-cb7d1e2ab14f', 'X-Kubernetes-Pf-Prioritylevel-Uid': '0e82b07d-98b7-4d98-9797-e07a51af4fc5', 'Date': 'Fri, 24 Jul 2026 23:06:16 GMT', 'Content-Length': '338'})
E           HTTP response body: {"kind":"Status","apiVersion":"v1","metadata":{},"status":"Failure","message":"llminferenceserviceconfigs.serving.kserve.io \"router-with-refs-pd-router-with-c2ec731e\" not found","reason":"NotFound","details":{"name":"router-with-refs-pd-router-with-c2ec731e","group":"serving.kserve.io","kind":"llminferenceserviceconfigs"},"code":404}

../../python/kserve/.venv/lib64/python3.11/site-packages/kubernetes/client/rest.py:238: ApiException

During handling of the above exception, another exception occurred:

request = &lt;SubRequest 'ensure_gateway_proxy_memory' for &lt;Function test_llm_inference_service[router-with-refs-pd-scheduler-managed-workload-pd-cpu-model-fb-opt-125m]&gt;&gt;

    @pytest.fixture(autouse=True)
    def ensure_gateway_proxy_memory(request):
        """After test setup creates gateways, patch them for proxy memory."""
        if not GATEWAY_PROXY_MEMORY:
            return
    
        # Let test_case (llmisvc) create gateways first
    
        if "test_case" in request.fixturenames:
&gt;           request.getfixturevalue("test_case")

common/gateway_proxy_istio.py:183: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

request = &lt;SubRequest 'test_case' for &lt;Function test_llm_inference_service[router-with-refs-pd-scheduler-managed-workload-pd-cpu-model-fb-opt-125m]&gt;&gt;
test_namespace = 'e2e-test-llm-inference-service-b5dd93e6'

    @pytest.fixture(scope="function")
    def test_case(request, test_namespace):
        tc = request.param
        ns = test_namespace
    
        inject_k8s_proxy()
    
        kserve_client = KServeClient(
            config_file=os.environ.get("KUBECONFIG", "~/.kube/config"),
            client_configuration=client.Configuration(),
        )
    
        tc.namespace = ns
        for peer in tc.peers:
            peer.namespace = ns
    
        for func in tc.before_test:
            func(tc)
    
&gt;       _setup_test_case_service(kserve_client, tc, request.node.name, namespace=ns)

llmisvc/fixtures.py:1611: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

kserve_client = &lt;kserve.api.kserve_client.KServeClient object at 0x7f08693605d0&gt;
tc = TestCase(base_refs=['router-with-refs-pd', 'scheduler-managed', 'workload-pd-cpu', 'model-fb-opt-125m'], prompt='You a...est=[&lt;function &lt;lambda&gt; at 0x7f086aec2f20&gt;], after_test=[], peers=[], llm_service=None, model_name='facebook/opt-125m')
test_node_name = 'test_llm_inference_service[router-with-refs-pd-scheduler-managed-workload-pd-cpu-model-fb-opt-125m]'
namespace = 'e2e-test-llm-inference-service-b5dd93e6', peer_index = None

    def _setup_test_case_service(
        kserve_client, tc, test_node_name, namespace, peer_index=None
    ):
        """Create LLMInferenceServiceConfigs and build the LLMInferenceService for a TestCase.
    
        Returns a list of created config names for cleanup tracking.
        """
        missing_refs = [
            ref for ref in tc.base_refs if ref not in LLMINFERENCESERVICE_CONFIGS
        ]
        if missing_refs:
            raise ValueError(
                f"Missing base_refs in LLMINFERENCESERVICE_CONFIGS: {missing_refs}"
            )
        if not tc.service_name:
            suffix = f"-peer-{peer_index}" if peer_index is not None else ""
            tc.service_name = generate_service_name(test_node_name + suffix, tc.base_refs)
        if tc.model_name == "default/model":
            tc.model_name = _get_model_name_from_configs(tc.base_refs)
        elif "{namespace}" in tc.model_name:
            tc.model_name = tc.model_name.format(namespace=namespace)
    
        created_configs = []
        unique_base_refs = []
        for base_ref in tc.base_refs:
            unique_config_name = generate_k8s_safe_suffix(base_ref, [tc.service_name])
            unique_base_refs.append(unique_config_name)
    
            config = LLMINFERENCESERVICE_CONFIGS[base_ref]
            spec = config(namespace) if callable(config) else copy.deepcopy(config)
    
            unique_config_body = {
                "apiVersion": "serving.kserve.io/v1alpha1",
                "kind": "LLMInferenceServiceConfig",
                "metadata": {
                    "name": unique_config_name,
                    "namespace": namespace,
                },
                "spec": spec,
            }
    
&gt;           _create_or_update_llmisvc_config(kserve_client, unique_config_body, namespace)

llmisvc/fixtures.py:1573: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

kserve_client = &lt;kserve.api.kserve_client.KServeClient object at 0x7f08693605d0&gt;
llm_config = {'apiVersion': 'serving.kserve.io/v1alpha1', 'kind': 'LLMInferenceServiceConfig', 'metadata': {'name': 'router-with-re...r-gateway-2', 'namespace': 'e2e-test-llm-inference-service-b5dd93e6'}]}, 'route': {'http': {'refs': [{...}, {...}]}}}}}
namespace = 'e2e-test-llm-inference-service-b5dd93e6'

    def _create_or_update_llmisvc_config(kserve_client, llm_config, namespace=None):
        """Create or update an LLMInferenceServiceConfig resource."""
        version = llm_config["apiVersion"].split("/")[1]
    
        if namespace is None:
            namespace = llm_config.get("metadata", {}).get("namespace", "default")
    
        name = llm_config.get("metadata", {}).get("name")
        if not name:
            raise ValueError("LLMInferenceServiceConfig must have a name in metadata")
    
        logger.info(f"Checking LLMInferenceServiceConfig {name} in namespace {namespace}")
    
        try:
            existing_config = kserve_client.api_instance.get_namespaced_custom_object(
                constants.KSERVE_GROUP,
                version,
                namespace,
                KSERVE_PLURAL_LLMINFERENCESERVICECONFIG,
                name,
            )
    
            llm_config["metadata"] = existing_config["metadata"]
    
            outputs = kserve_client.api_instance.replace_namespaced_custom_object(
                constants.KSERVE_GROUP,
                version,
                namespace,
                KSERVE_PLURAL_LLMINFERENCESERVICECONFIG,
                name,
                llm_config,
            )
            logger.info(f"✓ Successfully updated LLMInferenceServiceConfig {name}")
            return outputs
    
        except client.rest.ApiException as e:
            if e.status == 404:  # Not found - create it
                logger.info(
                    f"Resource not found, creating LLMInferenceServiceConfig {name}"
                )
&gt;               outputs = kserve_client.api_instance.create_namespaced_custom_object(
                    constants.KSERVE_GROUP,
                    version,
                    namespace,
                    KSERVE_PLURAL_LLMINFERENCESERVICECONFIG,
                    llm_config,
                )

llmisvc/fixtures.py:1747: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = &lt;kubernetes.client.api.custom_objects_api.CustomObjectsApi object at 0x7f086a65fc10&gt;
group = 'serving.kserve.io', version = 'v1alpha1'
namespace = 'e2e-test-llm-inference-service-b5dd93e6'
plural = 'llminferenceserviceconfigs'
body = {'apiVersion': 'serving.kserve.io/v1alpha1', 'kind': 'LLMInferenceServiceConfig', 'metadata': {'name': 'router-with-re...r-gateway-2', 'namespace': 'e2e-test-llm-inference-service-b5dd93e6'}]}, 'route': {'http': {'refs': [{...}, {...}]}}}}}
kwargs = {'_return_http_data_only': True}

    def create_namespaced_custom_object(self, group, version, namespace, plural, body, **kwargs):  # noqa: E501
        """create_namespaced_custom_object  # noqa: E501
    
        Creates 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
        &gt;&gt;&gt; thread = api.create_namespaced_custom_object(group, version, namespace, plural, body, async_req=True)
        &gt;&gt;&gt; result = thread.get()
    
        :param async_req bool: execute request asynchronously
        :param str group: The custom resource's group name (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 object body: The JSON schema of the Resource to create. (required)
        :param str pretty: If 'true', then the output is pretty printed.
        :param str dry_run: When present, indicates that modifications should not be persisted. An invalid or unrecognized dryRun directive will result in an error response and no further processing of the request. Valid values are: - All: all dry run stages will be processed
        :param str field_manager: fieldManager is a name associated with the actor or entity that is making these changes. The value must be less than or 128 characters long, and only contain printable characters, as defined by https://golang.org/pkg/unicode/#IsPrint.
        :param str field_validation: fieldValidation instructs the server on how to handle objects in the request (POST/PUT/PATCH) containing unknown or duplicate fields. Valid values are: - Ignore: This will ignore any unknown fields that are silently dropped from the object, and will ignore all but the last duplicate field that the decoder encounters. This is the default behavior prior to v1.23. - Warn: This will send a warning via the standard warning response header for each unknown field that is dropped from the object, and for each duplicate field that is encountered. The request will still succeed if there are no other errors, and will only persist the last of any duplicate fields. This is the default in v1.23+ - Strict: This will fail the request with a BadRequest error if any unknown fields would be dropped from the object, or if any duplicate fields are present. The error returned from the server will contain all unknown and duplicate fields encountered. (optional)
        :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
&gt;       return self.create_namespaced_custom_object_with_http_info(group, version, namespace, plural, body, **kwargs)  # noqa: E501

../../python/kserve/.venv/lib64/python3.11/site-packages/kubernetes/client/api/custom_objects_api.py:231: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = &lt;kubernetes.client.api.custom_objects_api.CustomObjectsApi object at 0x7f086a65fc10&gt;
group = 'serving.kserve.io', version = 'v1alpha1'
namespace = 'e2e-test-llm-inference-service-b5dd93e6'
plural = 'llminferenceserviceconfigs'
body = {'apiVersion': 'serving.kserve.io/v1alpha1', 'kind': 'LLMInferenceServiceConfig', 'metadata': {'name': 'router-with-re...r-gateway-2', 'namespace': 'e2e-test-llm-inference-service-b5dd93e6'}]}, 'route': {'http': {'refs': [{...}, {...}]}}}}}
kwargs = {'_return_http_data_only': True}
local_var_params = {'_return_http_data_only': True, 'all_params': ['group', 'version', 'namespace', 'plural', 'body', 'pretty', ...], 'au...rence-service-b5dd93e6'}, 'spec': {'router': {'gateway': {'refs': [{...}]}, 'route': {'http': {'refs': [...]}}}}}, ...}
all_params = ['group', 'version', 'namespace', 'plural', 'body', 'pretty', ...]
key = '_return_http_data_only', val = True, collection_formats = {}
path_params = {'group': 'serving.kserve.io', 'namespace': 'e2e-test-llm-inference-service-b5dd93e6', 'plural': 'llminferenceserviceconfigs', 'version': 'v1alpha1'}
query_params = []

    def create_namespaced_custom_object_with_http_info(self, group, version, namespace, plural, body, **kwargs):  # noqa: E501
        """create_namespaced_custom_object  # noqa: E501
    
        Creates 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
        &gt;&gt;&gt; thread = api.create_namespaced_custom_object_with_http_info(group, version, namespace, plural, body, async_req=True)
        &gt;&gt;&gt; result = thread.get()
    
        :param async_req bool: execute request asynchronously
        :param str group: The custom resource's group name (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 object body: The JSON schema of the Resource to create. (required)
        :param str pretty: If 'true', then the output is pretty printed.
        :param str dry_run: When present, indicates that modifications should not be persisted. An invalid or unrecognized dryRun directive will result in an error response and no further processing of the request. Valid values are: - All: all dry run stages will be processed
        :param str field_manager: fieldManager is a name associated with the actor or entity that is making these changes. The value must be less than or 128 characters long, and only contain printable characters, as defined by https://golang.org/pkg/unicode/#IsPrint.
        :param str field_validation: fieldValidation instructs the server on how to handle objects in the request (POST/PUT/PATCH) containing unknown or duplicate fields. Valid values are: - Ignore: This will ignore any unknown fields that are silently dropped from the object, and will ignore all but the last duplicate field that the decoder encounters. This is the default behavior prior to v1.23. - Warn: This will send a warning via the standard warning response header for each unknown field that is dropped from the object, and for each duplicate field that is encountered. The request will still succeed if there are no other errors, and will only persist the last of any duplicate fields. This is the default in v1.23+ - Strict: This will fail the request with a BadRequest error if any unknown fields would be dropped from the object, or if any duplicate fields are present. The error returned from the server will contain all unknown and duplicate fields encountered. (optional)
        :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',
            'body',
            'pretty',
            'dry_run',
            'field_manager',
            'field_validation'
        ]
        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 create_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 `create_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 `create_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 `create_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 `create_namespaced_custom_object`")  # noqa: E501
        # verify the required parameter 'body' is set
        if self.api_client.client_side_validation and ('body' not in local_var_params or  # noqa: E501
                                                        local_var_params['body'] is None):  # noqa: E501
            raise ApiValueError("Missing the required parameter `body` when calling `create_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
    
        query_params = []
        if 'pretty' in local_var_params and local_var_params['pretty'] is not None:  # noqa: E501
            query_params.append(('pretty', local_var_params['pretty']))  # noqa: E501
        if 'dry_run' in local_var_params and local_var_params['dry_run'] is not None:  # noqa: E501
            query_params.append(('dryRun', local_var_params['dry_run']))  # noqa: E501
        if 'field_manager' in local_var_params and local_var_params['field_manager'] is not None:  # noqa: E501
            query_params.append(('fieldManager', local_var_params['field_manager']))  # noqa: E501
        if 'field_validation' in local_var_params and local_var_params['field_validation'] is not None:  # noqa: E501
            query_params.append(('fieldValidation', local_var_params['field_validation']))  # noqa: E501
    
        header_params = {}
    
        form_params = []
        local_var_files = {}
    
        body_params = None
        if 'body' in local_var_params:
            body_params = local_var_params['body']
        # HTTP header `Accept`
        header_params['Accept'] = self.api_client.select_header_accept(
            ['application/json'])  # noqa: E501
    
        # Authentication setting
        auth_settings = ['BearerToken']  # noqa: E501
    
&gt;       return self.api_client.call_api(
            '/apis/{group}/{version}/namespaces/{namespace}/{plural}', 'POST',
            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:354: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = &lt;kubernetes.client.api_client.ApiClient object at 0x7f086a65e550&gt;
resource_path = '/apis/{group}/{version}/namespaces/{namespace}/{plural}'
method = 'POST'
path_params = {'group': 'serving.kserve.io', 'namespace': 'e2e-test-llm-inference-service-b5dd93e6', 'plural': 'llminferenceserviceconfigs', 'version': 'v1alpha1'}
query_params = []
header_params = {'Accept': 'application/json', 'User-Agent': 'OpenAPI-Generator/32.0.1/python'}
body = {'apiVersion': 'serving.kserve.io/v1alpha1', 'kind': 'LLMInferenceServiceConfig', 'metadata': {'name': 'router-with-re...r-gateway-2', 'namespace': 'e2e-test-llm-inference-service-b5dd93e6'}]}, 'route': {'http': {'refs': [{...}, {...}]}}}}}
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 -&gt; filename, value -&gt; 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:
&gt;           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 = &lt;kubernetes.client.api_client.ApiClient object at 0x7f086a65e550&gt;
resource_path = '/apis/serving.kserve.io/v1alpha1/namespaces/e2e-test-llm-inference-service-b5dd93e6/llminferenceserviceconfigs'
method = 'POST'
path_params = [('group', 'serving.kserve.io'), ('version', 'v1alpha1'), ('namespace', 'e2e-test-llm-inference-service-b5dd93e6'), ('plural', 'llminferenceserviceconfigs')]
query_params = []
header_params = {'Accept': 'application/json', 'Content-Type': 'application/json', 'User-Agent': 'OpenAPI-Generator/32.0.1/python'}
body = {'apiVersion': 'serving.kserve.io/v1alpha1', 'kind': 'LLMInferenceServiceConfig', 'metadata': {'name': 'router-with-re...r-gateway-2', 'namespace': 'e2e-test-llm-inference-service-b5dd93e6'}]}, 'route': {'http': {'refs': [{...}, {...}]}}}}}
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
&gt;       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 = &lt;kubernetes.client.api_client.ApiClient object at 0x7f086a65e550&gt;
method = 'POST'
url = 'https://ac01667e3e2e74a4d947d5d0eed002ea-9cfac66725a32a7f.elb.us-east-1.amazonaws.com:6443/apis/serving.kserve.io/v1alpha1/namespaces/e2e-test-llm-inference-service-b5dd93e6/llminferenceserviceconfigs'
query_params = []
headers = {'Accept': 'application/json', 'Content-Type': 'application/json', 'User-Agent': 'OpenAPI-Generator/32.0.1/python'}
post_params = []
body = {'apiVersion': 'serving.kserve.io/v1alpha1', 'kind': 'LLMInferenceServiceConfig', 'metadata': {'name': 'router-with-re...r-gateway-2', 'namespace': 'e2e-test-llm-inference-service-b5dd93e6'}]}, 'route': {'http': {'refs': [{...}, {...}]}}}}}
_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,
                                        headers=headers)
        elif method == "HEAD":
            return self.rest_client.HEAD(url,
                                         query_params=query_params,
                                         _preload_content=_preload_content,
                                         _request_timeout=_request_timeout,
                                         headers=headers)
        elif method == "OPTIONS":
            return self.rest_client.OPTIONS(url,
                                            query_params=query_params,
                                            headers=headers,
                                            _preload_content=_preload_content,
                                            _request_timeout=_request_timeout)
        elif method == "POST":
&gt;           return self.rest_client.POST(url,
                                         query_params=query_params,
                                         headers=headers,
                                         post_params=post_params,
                                         _preload_content=_preload_content,
                                         _request_timeout=_request_timeout,

../../python/kserve/.venv/lib64/python3.11/site-packages/kubernetes/client/api_client.py:391: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = &lt;kubernetes.client.rest.RESTClientObject object at 0x7f086a65d1d0&gt;
url = 'https://ac01667e3e2e74a4d947d5d0eed002ea-9cfac66725a32a7f.elb.us-east-1.amazonaws.com:6443/apis/serving.kserve.io/v1alpha1/namespaces/e2e-test-llm-inference-service-b5dd93e6/llminferenceserviceconfigs'
headers = {'Accept': 'application/json', 'Content-Type': 'application/json', 'User-Agent': 'OpenAPI-Generator/32.0.1/python'}
query_params = [], post_params = []
body = {'apiVersion': 'serving.kserve.io/v1alpha1', 'kind': 'LLMInferenceServiceConfig', 'metadata': {'name': 'router-with-re...r-gateway-2', 'namespace': 'e2e-test-llm-inference-service-b5dd93e6'}]}, 'route': {'http': {'refs': [{...}, {...}]}}}}}
_preload_content = True, _request_timeout = None

    def POST(self, url, headers=None, query_params=None, post_params=None,
             body=None, _preload_content=True, _request_timeout=None):
&gt;       return self.request("POST", url,
                            headers=headers,
                            query_params=query_params,
                            post_params=post_params,
                            _preload_content=_preload_content,
                            _request_timeout=_request_timeout,
                            body=body)

../../python/kserve/.venv/lib64/python3.11/site-packages/kubernetes/client/rest.py:279: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = &lt;kubernetes.client.rest.RESTClientObject object at 0x7f086a65d1d0&gt;
method = 'POST'
url = 'https://ac01667e3e2e74a4d947d5d0eed002ea-9cfac66725a32a7f.elb.us-east-1.amazonaws.com:6443/apis/serving.kserve.io/v1alpha1/namespaces/e2e-test-llm-inference-service-b5dd93e6/llminferenceserviceconfigs'
query_params = []
headers = {'Accept': 'application/json', 'Content-Type': 'application/json', 'User-Agent': 'OpenAPI-Generator/32.0.1/python'}
body = {'apiVersion': 'serving.kserve.io/v1alpha1', 'kind': 'LLMInferenceServiceConfig', 'metadata': {'name': 'router-with-re...r-gateway-2', 'namespace': 'e2e-test-llm-inference-service-b5dd93e6'}]}, 'route': {'http': {'refs': [{...}, {...}]}}}}}
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 &lt;= r.status &lt;= 299:
&gt;           raise ApiException(http_resp=r)
E           kubernetes.client.exceptions.ApiException: (500)
E           Reason: Internal Server Error
E           HTTP response headers: HTTPHeaderDict({'Audit-Id': '61976d6d-3828-4d4e-9ba4-59309a9b7378', 'Cache-Control': 'no-cache, private', 'Content-Type': 'application/json', 'Strict-Transport-Security': 'max-age=31536000; includeSubDomains; preload', 'X-Kubernetes-Pf-Flowschema-Uid': 'c213af1a-c3de-49ac-909e-cb7d1e2ab14f', 'X-Kubernetes-Pf-Prioritylevel-Uid': '0e82b07d-98b7-4d98-9797-e07a51af4fc5', 'Date': 'Fri, 24 Jul 2026 23:06:16 GMT', 'Content-Length': '701'})
E           HTTP response body: {"kind":"Status","apiVersion":"v1","metadata":{},"status":"Failure","message":"Internal error occurred: failed calling webhook \"llminferenceserviceconfig.kserve-webhook-server.v1alpha1.validator\": failed to call webhook: Post \"https://llmisvc-webhook-server-service.kserve.svc:443/validate-serving-kserve-io-v1alpha1-llminferenceserviceconfig?timeout=10s\": EOF","reason":"InternalError","details":{"causes":[{"message":"failed calling webhook \"llminferenceserviceconfig.kserve-webhook-server.v1alpha1.validator\": failed to call webhook: Post \"https://llmisvc-webhook-server-service.kserve.svc:443/validate-serving-kserve-io-v1alpha1-llminferenceserviceconfig?timeout=10s\": EOF"}]},"code":500}

../../python/kserve/.venv/lib64/python3.11/site-packages/kubernetes/client/rest.py:238: ApiException</error></testcase></testsuite></testsuites>