metrics

Documentation

Index

• Variables
• func RegisterMetrics()
• func SinceInMicroseconds(start time.Time) float64
• func SinceInSeconds(start time.Time) float64

Variables

var (
	// SyncProxyRulesLatency is the latency of one round of kube-proxy syncing proxy rules.
	SyncProxyRulesLatency = prometheus.NewHistogram(
		prometheus.HistogramOpts{
			Subsystem: kubeProxySubsystem,
			Name:      "sync_proxy_rules_latency_seconds",
			Help:      "SyncProxyRules latency in seconds",
			Buckets:   prometheus.ExponentialBuckets(0.001, 2, 15),
		},
	)

	// DeprecatedSyncProxyRulesLatency is the latency of one round of kube-proxy syncing proxy rules.
	DeprecatedSyncProxyRulesLatency = prometheus.NewHistogram(
		prometheus.HistogramOpts{
			Subsystem: kubeProxySubsystem,
			Name:      "sync_proxy_rules_latency_microseconds",
			Help:      "(Deprecated) SyncProxyRules latency in microseconds",
			Buckets:   prometheus.ExponentialBuckets(1000, 2, 15),
		},
	)

	// NetworkProgrammingLatency is defined as the time it took to program the network - from the time
	// the service or pod has changed to the time the change was propagated and the proper kube-proxy
	// rules were synced. Exported for each endpoints object that were part of the rules sync.
	// See https://github.com/kubernetes/community/blob/master/sig-scalability/slos/network_programming_latency.md
	// Note that the metrics is partially based on the time exported by the endpoints controller on
	// the master machine. The measurement may be inaccurate if there is a clock drift between the
	// node and master machine.
	NetworkProgrammingLatency = prometheus.NewHistogram(
		prometheus.HistogramOpts{
			Subsystem: kubeProxySubsystem,
			Name:      "network_programming_latency_seconds",
			Help:      "In Cluster Network Programming Latency in seconds",

			Buckets: prometheus.ExponentialBuckets(0.001, 2, 20),
		},
	)
)

Functions

func RegisterMetrics

func RegisterMetrics()

RegisterMetrics registers kube-proxy metrics.

func SinceInMicroseconds

func SinceInMicroseconds(start time.Time) float64

SinceInMicroseconds gets the time since the specified start in microseconds.

func SinceInSeconds

func SinceInSeconds(start time.Time) float64

SinceInSeconds gets the time since the specified start in seconds.