monitor

Documentation

Overview

metrics packages contains metrics which are exposed from the HPA controller.

Index

• Constants
• func Register()
• type ActionLabel
• type ErrorLabel
• type Monitor
  • func New() Monitor

Constants

const (
	ActionLabelScaleUp   ActionLabel = "scale_up"
	ActionLabelScaleDown ActionLabel = "scale_down"
	ActionLabelNone      ActionLabel = "none"

	// ErrorLabelSpec represents an error due to an invalid spec of HPA object.
	ErrorLabelSpec ErrorLabel = "spec"
	// ErrorLabelInternal represents an error from an internal computation or communication with other component.
	ErrorLabelInternal ErrorLabel = "internal"
	ErrorLabelNone     ErrorLabel = "none"
)

Functions

func Register

func Register()

Register all metrics.

Types

type ActionLabel

type ActionLabel string

type ErrorLabel

type ErrorLabel string

type Monitor

type Monitor interface {
	ObserveReconciliationResult(action ActionLabel, err ErrorLabel, duration time.Duration)
	ObserveMetricComputationResult(action ActionLabel, err ErrorLabel, duration time.Duration, metricType v2.MetricSourceType)
}

Monitor records some metrics so that people can monitor HPA controller.

func New

func New() Monitor