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  1. OpenShift Bugs
  2. OCPBUGS-2887

CNI config load failed on fs change event

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    • WINC - Sprint 246, WINC - Sprint 248
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      Previously, the WICD was not correctly accounting for carriage returns when identifying whether the CNI config had been modified. As a consequence, the containerd CNI config would be reloaded unnecessarily, potentially resulting in container restarts and brief network outages. With this fix, the WICD now alters the CNI configuration only when a change needs to be reverted. (link:https://issues.redhat.com/browse/OCPBUGS-2887[*OCPBUGS-2887*])
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      Previously, the WICD was not correctly accounting for carriage returns when identifying whether the CNI config had been modified. As a consequence, the containerd CNI config would be reloaded unnecessarily, potentially resulting in container restarts and brief network outages. With this fix, the WICD now alters the CNI configuration only when a change needs to be reverted. (link: https://issues.redhat.com/browse/OCPBUGS-2887 [* OCPBUGS-2887 *])
    • Bug Fix
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    • Customer Escalated

      Description of problem:
      Seeing

      time="2022-10-26T00:52:43.727448300Z" level=error msg="failed to reload cni configuration after receiving fs change event(\"C:\\\\k\\\\cni\\\\config\\\\cni.conf\": WRITE)" error="cni config load failed: failed to load CNI config file C:\\k\\cni\\config\\cni.conf: error parsing configuration: unexpected end of JSON input: invalid cni config: failed to load cni config"
time="2022-10-26T00:52:56.906464200Z" level=error msg="failed to reload cni configuration after receiving fs change event(\"C:\\\\k\\\\cni\\\\config\\\\cni.conf\": WRITE)" error="cni config load failed: failed to load CNI config file C:\\k\\cni\\config\\cni.conf: error reading C:\\k\\cni\\config\\cni.conf: open C:\\k\\cni\\config\\cni.conf: The process cannot access the file because it is being used by another process.: invalid cni config: failed to load cni config"

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

      WMCO 7.0.0

      How reproducible:

      Always

      Steps to Reproduce:

      1. Bring up a Windows node
2. Check the containerd log

      Actual results:

      Failure to reload CNI config, occurs every 2 minutes or so.

      Expected results:

      This error should not show up after initial setup.

      Additional info:

      It is unclear if this is causing any issues but we need to confirm that and preferably make the error go away. Otherwise most bugs from the field are going to point at this.

              rh-ee-ssoto Sebastian Soto
              paravindh Aravindh Puthiyaparambil (Inactive)
              Aharon Rasouli Aharon Rasouli
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                Created:
                Updated:
                Resolved: