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  1. OpenShift Bugs
  2. OCPBUGS-57485

customizes the liveness probe on IBM Cloud

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    • Icon: Bug Bug
    • Resolution: Done-Errata
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    • 4.19.z
    • 4.18, 4.19
    • HyperShift
    • Quality / Stability / Reliability
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      Previously, the HAProxy configuration used the `/version` endpoint for health checks causing unreliable health checks to be generated. With this release, the liveness probe is customized to use `/livez?exclude=etcd&exclude=log` on IBM Cloud for more accurate health checks avoiding disruptions due to inappropriate probe configurations on Hypershift, while retaining `/version` for other platforms. (link:https://issues.redhat.com/browse/OCPBUGS-57485[OCPBUGS-57485])
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      Previously, the HAProxy configuration used the `/version` endpoint for health checks causing unreliable health checks to be generated. With this release, the liveness probe is customized to use `/livez?exclude=etcd&exclude=log` on IBM Cloud for more accurate health checks avoiding disruptions due to inappropriate probe configurations on Hypershift, while retaining `/version` for other platforms. (link: https://issues.redhat.com/browse/OCPBUGS-57485 [ OCPBUGS-57485 ])
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      This is a clone of issue OCPBUGS-45265. The following is the description of the original issue:
      —
      Description of problem:

          Use the /livez/ping endpoint to proxy unauthenticated health checks on the master. /livez/ping is a faster and more reliable endpoint, so it should be used over /version.

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

          Impacts all releases, fix can be limited to 4.18

      How reproducible:

          Always

      Steps to Reproduce:

          1. https://github.com/openshift/hypershift/blob/6356dab0c28b77cca1a74d911f7154f70a3cb68d/hypershift-operator/controllers/nodepool/apiserver-haproxy/haproxy.cfg#L26
    2. https://github.com/openshift/hypershift/blob/6356dab0c28b77cca1a74d911f7154f70a3cb68d/hypershift-operator/controllers/nodepool/haproxy.go#L381    

      Actual results:

          /version

      Expected results:

          /livez/ping

      Additional info:

              Unassigned Unassigned
              openshift-crt-jira-prow OpenShift Prow Bot
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              Ke Wang Ke Wang
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              Richard Theis
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                Created:
                Updated:
                Resolved: