monitor

package

v1.9.0 Latest Latest Go to latest Published: Feb 29, 2024 License: Apache-2.0 Imports: 5 Imported by: 0

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Repository

github.com/karmada-io/karmada

Links

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Documentation ¶

Overview ¶

Package monitor contains metrics which are exposed from the HPA controller.

Constants ¶

View Source

const (
	// ActionLabelScaleUp represents a scale up action.
	ActionLabelScaleUp ActionLabel = "scale_up"
	// ActionLabelScaleDown represents a scale down action.
	ActionLabelScaleDown ActionLabel = "scale_down"
	// ActionLabelNone represents no action.
	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 represents no error.
	ErrorLabelNone ErrorLabel = "none"
)

Variables ¶

This section is empty.

Functions ¶

func Register ¶

func Register()

Register all metrics.

Types ¶

type ActionLabel ¶

type ActionLabel string

ActionLabel represents an action taken by HPA controller.

type ErrorLabel ¶

type ErrorLabel string

ErrorLabel represents an error type.

type Monitor ¶

type Monitor interface {
	ObserveReconciliationResult(action ActionLabel, err ErrorLabel, duration time.Duration)
	ObserveMetricComputationResult(action ActionLabel, err ErrorLabel, duration time.Duration, metricType autoscalingv2.MetricSourceType)
}

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

func New ¶

func New() Monitor

New creates a new Monitor.

Source Files ¶

View all Source files

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