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Support metrics for node shutdown

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This commit is contained in:
Shiming Zhang
2022-03-11 17:30:37 +08:00
parent 94e494d9d7
commit 5eb3e88f6b
5 changed files with 148 additions and 3 deletions
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27
pkg/kubelet/metrics/metrics.go
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@@ -462,6 +462,26 @@ var (
StabilityLevel: metrics.ALPHA,
},
)
// GracefulShutdownStartTime is a gauge that records the time at which the kubelet started graceful shutdown.
GracefulShutdownStartTime = metrics.NewGauge(
&metrics.GaugeOpts{
Subsystem: KubeletSubsystem,
Name: "graceful_shutdown_start_time_seconds",
Help: "Last graceful shutdown start time since unix epoch in seconds",
StabilityLevel: metrics.ALPHA,
},
)
// GracefulShutdownEndTime is a gauge that records the time at which the kubelet completed graceful shutdown.
GracefulShutdownEndTime = metrics.NewGauge(
&metrics.GaugeOpts{
Subsystem: KubeletSubsystem,
Name: "graceful_shutdown_end_time_seconds",
Help: "Last graceful shutdown start time since unix epoch in seconds",
StabilityLevel: metrics.ALPHA,
},
)
)
var registerMetrics sync.Once
@@ -504,6 +524,13 @@ func Register(collectors ...metrics.StableCollector) {
for _, collector := range collectors {
legacyregistry.CustomMustRegister(collector)
}
if utilfeature.DefaultFeatureGate.Enabled(features.GracefulNodeShutdown) &&
utilfeature.DefaultFeatureGate.Enabled(features.GracefulNodeShutdownBasedOnPodPriority) {
legacyregistry.MustRegister(GracefulShutdownStartTime)
legacyregistry.MustRegister(GracefulShutdownEndTime)
}
})
}