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OCPCLOUD-3429: Ignore excessive image volume events from CAPI operator #31093

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openshift-merge-bot merged 1 commit into from
Apr 30, 2026
+16 −0
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OCPCLOUD-3429: Ignore excessive image volume events from CAPI operator #31093

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16 changes: 16 additions & 0 deletions pkg/monitortestlibrary/pathologicaleventlibrary/duplicated_event_patterns.go
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Original file line number Diff line number Diff line change
Expand Up @@ -480,6 +480,22 @@ func NewUniversalPathologicalEventMatchers(kubeConfig *rest.Config, finalInterva
jira: "https://issues.redhat.com/browse/OCPBUGS-69400",
})

// The kubelet calls getImageVolumes() on every SyncPod reconciliation, which emits a
// "Pulled" event for each image volume even when the pod is in steady state. Pods with
// many image volumes (e.g. capi-operator with 10 provider images) accumulate hundreds of
// these benign events over their lifetime. Remove when upstream fix lands:
// https://github.com/kubernetes/kubernetes/issues/138644
registry.AddPathologicalEventMatcherOrDie(&SimplePathologicalEventMatcher{
name: "ImageVolumeAlreadyPresent",
locatorKeyRegexes: map[monitorapi.LocatorKey]*regexp.Regexp{
monitorapi.LocatorNamespaceKey: regexp.MustCompile(`^openshift-cluster-api-operator$`),
monitorapi.LocatorPodKey: regexp.MustCompile(`^capi-operator-`),
},
messageReasonRegex: regexp.MustCompile(`^Pulled$`),
messageHumanRegex: regexp.MustCompile(`already present on machine`),
jira: "https://issues.redhat.com/browse/OCPBUGS-84659",
})

registry.AddPathologicalEventMatcherOrDie(AllowBackOffRestartingFailedContainer)

registry.AddPathologicalEventMatcherOrDie(AllowOVNReadiness)
Expand Down