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  1. OpenShift Bugs
  2. OCPBUGS-52188

Cluster upgrade stuck due to machine-config CO in degraded state

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    • Quality / Stability / Reliability
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    • OCP Node Sprint 269 (Blue)
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    • Bug Fix
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      * Previously, a missing machine config for the container runtime configuration prevented a cluster update operation from succeeding because of a container runtime controller failure. With this release, the missing machine config is now ignored so that a cluster operation can succeed. (link:https://issues.redhat.com/browse/OCPBUGS-52188[*OCPBUGS-52188*])
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      * Previously, a missing machine config for the container runtime configuration prevented a cluster update operation from succeeding because of a container runtime controller failure. With this release, the missing machine config is now ignored so that a cluster operation can succeed. (link: https://issues.redhat.com/browse/OCPBUGS-52188 [* OCPBUGS-52188 *])
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      Description of problem:

      Cluster upgrade from 4.16 to 4.17 failed

The master and worker MCPs are degraded with the below error:

$ oc get mcp worker -o yaml  

- lastTransitionTime: '2025-02-27T13:15:20Z'
    message: 'Failed to render configuration for pool sbb-worker-app: could not generate
      rendered MachineConfig: Ignoring MC 99-sbb-worker-app-generated-containerruntime
      generated by older version 9e721f05c02ec0dd8d1f4d58b95462bb87748f17 (my version:
      11006a412aba038bbddc5b3c1a8040ca1d9c8b47)'
    reason: ''
    status: 'True'
    type: RenderDegraded    


$ oc get mcp master -o yaml 


- lastTransitionTime: '2025-02-27T13:15:20Z'
    message: 'Failed to render configuration for pool master: could not generate rendered
      MachineConfig: Ignoring MC 99-master-generated-containerruntime-2 generated
      by older version 9e721f05c02ec0dd8d1f4d58b95462bb87748f17 (my version: 11006a412aba038bbddc5b3c1a8040ca1d9c8b47)'
    reason: ''
    status: 'True'
    type: RenderDegraded

There is only single machiconfig present for master and worker MCP: omg get mc | grep registries 


99-master-generated-registries                               11006a412aba038bbddc5b3c1a8040ca1d9c8b47  3.4.0            1131d
99-worker-generated-registries                               11006a412aba038bbddc5b3c1a8040ca1d9c8b47  3.4.0            1131d

       

      Actual results:

          Update stucks on machine-config CO

      Expected results:

      Upgrade should continue without any issue.    

              qiwan233 Qi Wang
              rhn-support-niv Niveditha V
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              Min Li Min Li
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                Created:
                Updated:
                Resolved: