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  1. OpenShift Bugs
  2. OCPBUGS-15587

vingressnodefirewall.kb.io: dial tcp 172.30.168.193:443: connect: connection refused error in kube-apiserver after applying and deleting custom webhooks

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      Description of problem:

      We see vingressnodefirewall.kb.io: dial tcp 172.30.168.193:443: connect: connection refused error in kube-apiserver after deleting webhooks in arm64 cluster
      
       Jun 27 16:33:13.927: INFO: Running 'oc --kubeconfig=/tmp/kubeconfig-1066174450 get kubeapiserver/cluster -o jsonpath='{.status.conditions[?(@.type=="ValidatingAdmissionWebhookConfigurationError")]}''
        Jun 27 16:33:14.215: INFO: kube-apiserver admission webhook errors as
         '{"lastTransitionTime":"2023-06-27T15:14:17Z","message":"vingressnodefirewall.kb.io: dial tcp 172.30.168.193:443: connect: connection refused","reason":"WebhookServiceConnectionError","status":"True","type":"ValidatingAdmissionWebhookConfigurationError"}'

      We see this issue in 4.14, 4.13 and 4.12

       

       

      Version-Release number of selected component (if applicable):

      4.14.0-0.nightly-arm64-2023-06-27-030155 on Azure IPI cluster

      How reproducible:

      Not Always

      Steps to Reproduce:

      1. Run https://polarion.engineering.redhat.com/polarion/#/project/OSE/workitem?id=OCP-50223 test case, apply and delete custom webhooks
      2. oc --kubeconfig=/tmp/kubeconfig-1066174450 get kubeapiserver/cluster -o jsonpath='{.status.conditions[?(@.type=="ValidatingAdmissionWebhookConfigurationError")]}'
      
      

      Actual results:

      {"lastTransitionTime":"2023-06-27T15:14:17Z","message":"vingressnodefirewall.kb.io: dial tcp 172.30.168.193:443: connect: connection refused","reason":"WebhookServiceConnectionError","status":"True","type":"ValidatingAdmissionWebhookConfigurationError"}

      Expected results:

      {"lastTransitionTime":"2023-06-30T07:13:56Z","status":"False","type":"ValidatingAdmissionWebhookConfigurationError"

      Additional info:

      https://qe-private-deck-ci.apps.ci.l2s4.p1.openshiftapps.com/view/gs/qe-private-deck/logs/periodic-ci-openshift-openshift-tests-private-release-4.14-arm64-nightly-azure-ipi-disconnected-p1-f28-destructive/1673681413041295360

       

            vdinh@redhat.com Vu Dinh
            rhn-support-rgangwar Rahul Gangwar
            Rahul Gangwar Rahul Gangwar
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              Created:
              Updated:
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