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Bug Fix for process_start_time_metric initialization

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This commit is contained in:
Jiawei Wang 2020-11-10 14:53:44 -08:00
parent a5bce462d0
commit aa78f2d1b4
1 changed files with 6 additions and 0 deletions
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6
staging/src/k8s.io/component-base/metrics/processstarttime.go
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@ -43,6 +43,12 @@ func RegisterProcessStartTime(registrationFunc func(Registerable) error) error {
klog.Errorf("Could not get process start time, %v", err)
start = float64(time.Now().Unix())
}
// processStartTime is a lazy metric which only get initialized after registered.
// so we have to explicitly create it before setting the label value. Otherwise
// it is a noop.
if !processStartTime.IsCreated() {
processStartTime.initializeMetric()
}
processStartTime.WithLabelValues().Set(start)
return registrationFunc(processStartTime)
}