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Log warning if config labels deletion returns false

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Ted Yu 2019-07-16 09:46:10 -07:00 committed by Ted Yu
parent b130ff4502
commit 5d1bb99fcd
1 changed files with 9 additions and 3 deletions
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12
pkg/kubelet/metrics/metrics.go
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@ -497,7 +497,9 @@ func SetAssignedConfig(source *corev1.NodeConfigSource) error {
return err
}
// clean up the old timeseries (WithLabelValues creates a new one for each distinct label set)
AssignedConfig.Delete(assignedConfigLabels)
if !AssignedConfig.Delete(assignedConfigLabels) {
klog.Warningf("Failed to delete metric for labels %v. This may result in ambiguity from multiple metrics concurrently indicating different assigned configs.", assignedConfigLabels)
}
// record the new timeseries
assignedConfigLabels = labels
// expose the new timeseries with a constant count of 1
@ -515,7 +517,9 @@ func SetActiveConfig(source *corev1.NodeConfigSource) error {
return err
}
// clean up the old timeseries (WithLabelValues creates a new one for each distinct label set)
ActiveConfig.Delete(activeConfigLabels)
if !ActiveConfig.Delete(activeConfigLabels) {
klog.Warningf("Failed to delete metric for labels %v. This may result in ambiguity from multiple metrics concurrently indicating different active configs.", activeConfigLabels)
}
// record the new timeseries
activeConfigLabels = labels
// expose the new timeseries with a constant count of 1
@ -533,7 +537,9 @@ func SetLastKnownGoodConfig(source *corev1.NodeConfigSource) error {
return err
}
// clean up the old timeseries (WithLabelValues creates a new one for each distinct label set)
LastKnownGoodConfig.Delete(lastKnownGoodConfigLabels)
if !LastKnownGoodConfig.Delete(lastKnownGoodConfigLabels) {
klog.Warningf("Failed to delete metric for labels %v. This may result in ambiguity from multiple metrics concurrently indicating different last known good configs.", lastKnownGoodConfigLabels)
}
// record the new timeseries
lastKnownGoodConfigLabels = labels
// expose the new timeseries with a constant count of 1