metrics

Documentation

Index

• Variables
• func RecordListCacheMetrics(resourcePrefix, indexName string, numFetched, numReturned int)
• func RecordsWatchCacheCapacityChange(objType string, old, new int)
• func Register()

Variables

var (
	InitCounter = compbasemetrics.NewCounterVec(
		&compbasemetrics.CounterOpts{
			Namespace:      namespace,
			Name:           "init_events_total",
			Help:           "Counter of init events processed in watch cache broken by resource type.",
			StabilityLevel: compbasemetrics.ALPHA,
		},
		[]string{"resource"},
	)

	EventsCounter = compbasemetrics.NewCounterVec(
		&compbasemetrics.CounterOpts{
			Namespace:      namespace,
			Subsystem:      subsystem,
			Name:           "events_dispatched_total",
			Help:           "Counter of events dispatched in watch cache broken by resource type.",
			StabilityLevel: compbasemetrics.ALPHA,
		},
		[]string{"resource"},
	)

	TerminatedWatchersCounter = compbasemetrics.NewCounterVec(
		&compbasemetrics.CounterOpts{
			Namespace:      namespace,
			Name:           "terminated_watchers_total",
			Help:           "Counter of watchers closed due to unresponsiveness broken by resource type.",
			StabilityLevel: compbasemetrics.ALPHA,
		},
		[]string{"resource"},
	)

	WatchCacheCapacity = compbasemetrics.NewGaugeVec(
		&compbasemetrics.GaugeOpts{
			Subsystem:      subsystem,
			Name:           "capacity",
			Help:           "Total capacity of watch cache broken by resource type.",
			StabilityLevel: compbasemetrics.ALPHA,
		},
		[]string{"resource"},
	)

	WatchCacheInitializations = compbasemetrics.NewCounterVec(
		&compbasemetrics.CounterOpts{
			Namespace:      namespace,
			Subsystem:      subsystem,
			Name:           "initializations_total",
			Help:           "Counter of watch cache initializations broken by resource type.",
			StabilityLevel: compbasemetrics.ALPHA,
		},
		[]string{"resource"},
	)
)

* By default, all the following metrics are defined as falling under * ALPHA stability level https://github.com/kubernetes/enhancements/blob/master/keps/sig-instrumentation/1209-metrics-stability/kubernetes-control-plane-metrics-stability.md#stability-classes) * * Promoting the stability level of the metric is a responsibility of the component owner, since it * involves explicitly acknowledging support for the metric across multiple releases, in accordance with * the metric stability policy.

Functions

func RecordListCacheMetrics

func RecordListCacheMetrics(resourcePrefix, indexName string, numFetched, numReturned int)

RecordListCacheMetrics notes various metrics of the cost to serve a LIST request

func RecordsWatchCacheCapacityChange

func RecordsWatchCacheCapacityChange(objType string, old, new int)

RecordsWatchCacheCapacityChange record watchCache capacity resize(increase or decrease) operations.

func Register

func Register()

Register all metrics.