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Merge pull request #86251 from bboreham/pleg-last-seen-metric

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Kubelet: add a metric to observe time since PLEG last seen
This commit is contained in:
Kubernetes Prow Robot
2020-01-06 18:06:18 -08:00
committed by GitHub
parent d6412b856f cc0b3e82eb
commit 49bc696614
2 changed files with 14 additions and 0 deletions
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12
pkg/kubelet/metrics/metrics.go
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@@ -44,6 +44,7 @@ const (
PLEGRelistDurationKey = "pleg_relist_duration_seconds"
PLEGDiscardEventsKey = "pleg_discard_events"
PLEGRelistIntervalKey = "pleg_relist_interval_seconds"
PLEGLastSeenKey = "pleg_last_seen_seconds"
EvictionsKey = "evictions"
EvictionStatsAgeKey = "eviction_stats_age_seconds"
PreemptionsKey = "preemptions"
@@ -186,6 +187,16 @@ var (
StabilityLevel: metrics.ALPHA,
},
)
// PLEGLastSeen is a Gauge giving the Unix timestamp when the Kubelet's
// Pod Lifecycle Event Generator (PLEG) was last seen active.
PLEGLastSeen = metrics.NewGauge(
&metrics.GaugeOpts{
Subsystem: KubeletSubsystem,
Name: PLEGLastSeenKey,
Help: "Timestamp in seconds when PLEG was last seen active.",
StabilityLevel: metrics.ALPHA,
},
)
// RuntimeOperations is a Counter that tracks the cumulative number of remote runtime operations.
// Broken down by operation type.
RuntimeOperations = metrics.NewCounterVec(
@@ -522,6 +533,7 @@ func Register(containerCache kubecontainer.RuntimeCache, collectors ...metrics.S
legacyregistry.MustRegister(PLEGRelistDuration)
legacyregistry.MustRegister(PLEGDiscardEvents)
legacyregistry.MustRegister(PLEGRelistInterval)
legacyregistry.MustRegister(PLEGLastSeen)
legacyregistry.MustRegister(RuntimeOperations)
legacyregistry.MustRegister(RuntimeOperationsDuration)
legacyregistry.MustRegister(RuntimeOperationsErrors)