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  1. OpenShift Bugs
  2. OCPBUGS-37460

Openshift uncordoned compute-node that was intentionally cordoned

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      * Previously, cordoned nodes in machine config pools (MCPs) with higher `maxUnavailable` than unavailable nodes might be selected as an update candidate. With this release, cordoned nodes will never be queued for an update.
      _________________
      On MCP with higher maxUnavailable than unavailable nodes, cordoned nodes were mistakenly selected as an update candidate, depending on the order of the node list. This fix will always ensure cordoned nodes will not be queued for an update.
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      * Previously, cordoned nodes in machine config pools (MCPs) with higher `maxUnavailable` than unavailable nodes might be selected as an update candidate. With this release, cordoned nodes will never be queued for an update. _________________ On MCP with higher maxUnavailable than unavailable nodes, cordoned nodes were mistakenly selected as an update candidate, depending on the order of the node list. This fix will always ensure cordoned nodes will not be queued for an update.
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      This is a clone of issue OCPBUGS-33397. The following is the description of the original issue:
      —
      Description of problem:

      Node has been cordoned manually.After several days, machine-config-controller uncordoned the same node after rendering a new machine-config.

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

          4.13

      Actual results:

      The mco rolled out and the node was uncordoned by the mco

      Expected results:

       MCO treat unscedhulable node as not ready for performing update. Also, it may halt update on other nodes  in the pool based on what maxUnavailable is set for that pool

      Additional info:

              djoshy David Joshy
              openshift-crt-jira-prow OpenShift Prow Bot
              Sergio Regidor de la Rosa Sergio Regidor de la Rosa
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