health

package
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Published: Jan 15, 2021 License: BSD-3-Clause Imports: 2 Imported by: 0

Documentation

Overview

Package health provides health check handlers.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func HandleLive

func HandleLive(w http.ResponseWriter, _ *http.Request)

HandleLive is an http.HandleFunc that handles liveness checks by immediately responding with an HTTP 200 status.

Types

type Checker

type Checker interface {
	CheckHealth() error
}

Checker wraps the CheckHealth method.

CheckHealth returns nil if the resource is healthy, or a non-nil error if the resource is not healthy. CheckHealth must be safe to call from multiple goroutines.

type Handler

type Handler struct {
	// contains filtered or unexported fields
}

Handler is an HTTP handler that reports on the success of an aggregate of Checkers. The zero value is always healthy.

func (*Handler) Add

func (h *Handler) Add(c Checker)

Add adds a new check to the handler.

func (*Handler) ServeHTTP

func (h *Handler) ServeHTTP(w http.ResponseWriter, _ *http.Request)

ServeHTTP returns 200 if it is healthy, 500 otherwise.

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