opentelemetry

README

go-opentelemetry

A library to install the opentelemetry exporters rapidly.

Example

module myapp

require (
	github.com/prometheus/client_golang v1.12.2
	github.com/xgfone/go-opentelemetry v0.3.1
	github.com/xgfone/go-opentelemetry/jaegerexporter v0.3.0
	github.com/xgfone/go-opentelemetry/otelhttpx v0.3.1
	github.com/xgfone/go-opentelemetry/promexporter v0.3.0
)

go 1.17

package main

import (
	"net/http"

	"github.com/prometheus/client_golang/prometheus"
	"github.com/xgfone/go-opentelemetry"
	"github.com/xgfone/go-opentelemetry/jaegerexporter"
	"github.com/xgfone/go-opentelemetry/otelhttpx"
	"github.com/xgfone/go-opentelemetry/promexporter"
)

func init() {
	registry := prometheus.NewRegistry()
	http.Handle("/metrics", promexporter.Handler(registry))

	opentelemetry.SetServiceName("ServiceName")
	jaegerexporter.Install(nil, nil)
	promexporter.Install(registry)
	otelhttpx.InstallClient()
}

func wrapHandler(handler http.HandlerFunc) http.Handler {
	return otelhttpx.Handler(handler, "Operation")
}

func main() {
	http.Handle("/path", wrapHandler(func(w http.ResponseWriter, r *http.Request) {
		// TODO
	}))

	http.ListenAndServe(":80", nil)
}

Documentation

Index

• Variables
• func SetServiceName(serviceName string)
• func Shutdown(ctx context.Context) (err error)
• func Stop()

Variables

var DefaultResource *resource.Resource

DefaultResource is the default resource used by metric and tracer.

Functions

func SetServiceName

func SetServiceName(serviceName string)

SetServiceName sets the service name in the resource.

func Shutdown

func Shutdown(ctx context.Context) (err error)

Shutdown shuts down the tracer provider.

func Stop

func Stop()

Stop is equal to Shutdown(context.Background()).