opentelemetry

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)
}