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  1. OpenShift Bugs
  2. OCPBUGS-998

[OpenShiftSDN ] API svc un-reachability on OCP upgrade 4.10->4.11

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    • SDN Sprint 229, CFE Sprint 226, SDN Sprint 230
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    Description

      Description of problem:

      During an upgrade from 4.10.0-0.nightly-2022-09-06-081345 -> 4.11.0-0.nightly-2022-09-06-074353

DNS operator stuck in progressing state with following error in dns-defalt pod

2022-09-07T00:47:35.959931289Z [WARNING] plugin/kubernetes: Kubernetes API connection failure: Get "https://172.30.0.1:443/version": dial tcp 172.30.0.1:443: i/o timeout

must-gather: http://shell.lab.bos.redhat.com/~anusaxen/must-gather-136172-050448657.tar.gz

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

      4.11.0-0.nightly-2022-09-06-074353

      How reproducible:

      Intermittent

      Steps to Reproduce:

      1. Perform upgrade from 4.10->4.11
2.
3.

      Actual results:

      Upgrade unsuccessful due to API svc unreachability

      Expected results:

      Upgrade should be successful

      Additional info:

      $ omg get co | grep -v "True.*False.*False"
NAME                                      VERSION                             AVAILABLE  PROGRESSING  DEGRADED  SINCE
dns                                       4.10.0-0.nightly-2022-09-06-081345  True       True         False     3h4m
network                                   4.11.0-0.nightly-2022-09-06-074353  True       True         False     3h5m

$ omg logs dns-default-5mqz4 -c dns -n openshift-dns
/home/anusaxen/Downloads/must-gather-136208-318613238/must-gather.local.4033693973186012455/quay-io-openshift-release-dev-ocp-v4-0-art-dev-sha256-d995e1608ba83a1f71b5a1c49705aa3cef38618e0674ee256332d1b0e2cb0e23/namespaces/openshift-dns/pods/dns-default-5mqz4/dns/dns/logs/current.log
2022-09-07T00:45:36.355161941Z [INFO] plugin/kubernetes: waiting for Kubernetes API before starting server
2022-09-07T00:45:36.854403897Z [INFO] plugin/kubernetes: waiting for Kubernetes API before starting server
2022-09-07T00:45:37.354367197Z [INFO] plugin/kubernetes: waiting for Kubernetes API before starting server
2022-09-07T00:45:37.861427861Z [INFO] plugin/kubernetes: waiting for Kubernetes API before starting server
2022-09-07T00:45:38.355095996Z [INFO] plugin/kubernetes: waiting for Kubernetes API before starting server
2022-09-07T00:45:38.855063626Z [INFO] plugin/kubernetes: waiting for Kubernetes API before starting server
2022-09-07T00:45:39.355170472Z [INFO] plugin/kubernetes: waiting for Kubernetes API before starting server
2022-09-07T00:45:39.855296624Z [INFO] plugin/kubernetes: waiting for Kubernetes API before starting server
2022-09-07T00:45:40.355481413Z [INFO] plugin/kubernetes: waiting for Kubernetes API before starting server
2022-09-07T00:45:40.855455283Z [WARNING] plugin/kubernetes: starting server with unsynced Kubernetes API
2022-09-07T00:45:40.856166731Z .:5353
2022-09-07T00:45:40.856166731Z [INFO] plugin/reload: Running configuration SHA512 = 7c3db3182389e270fe3af971fef9e7157a34bde01eb750d58c2d4895a965ecb2e2d00df34594b6a819653088b6efa2590e748ce23f9e16cbb0f44d74a4fc3587
2022-09-07T00:45:40.856166731Z CoreDNS-1.9.2
2022-09-07T00:45:40.856166731Z linux/amd64, go1.18.4, 
2022-09-07T00:46:05.957503195Z [WARNING] plugin/kubernetes: Kubernetes API connection failure: Get "https://172.30.0.1:443/version": dial tcp 172.30.0.1:443: i/o timeout
2022-09-07T00:47:25.444876534Z [INFO] SIGTERM: Shutting down servers then terminating
2022-09-07T00:47:25.444984367Z [INFO] plugin/health: Going into lameduck mode for 20s
2022-09-07T00:47:35.959931289Z [WARNING] plugin/kubernetes: Kubernetes API connection failure: Get "https://172.30.0.1:443/version": dial tcp 172.30.0.1:443: i/o timeout

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          is blocked by

          Bug - A problem that impairs or prevents the functions of the product. OCPBUGS-4999 [OpenShiftSDN ] API svc un-reachability on OCP upgrade 4.10->4.11

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Closed
          is cloned by

          Bug - A problem that impairs or prevents the functions of the product. OCPBUGS-4999 [OpenShiftSDN ] API svc un-reachability on OCP upgrade 4.10->4.11

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Closed
          relates to

          Story - Created by Jira Software - do not edit or delete. Issue type for a user story. CFE-602 Sprint-225 SDN embedding work - Arkadeep

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Closed
          links to

          GitHub openshift/sdn#488: OCPBUGS-998: [release-4.11] NetworkPolicy: Remove stale flows that may exist due to an upgrade

          Web Link Update to OpenShift Container Platform 4.11 stuck because openshift-dns-operator pod is in CrashLoopBackOff state

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              ffernand@redhat.com Flavio Fernandes (Inactive)
              anusaxen Anurag Saxena
              Anurag Saxena Anurag Saxena
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                Updated:
                Resolved: