func (hs *HealthCheckServer) Start(host string, port uint16) { svr := &http.Server{Addr: fmt.Sprintf("%s:%d", host, port), Handler: hs} if err := gracehttp.Serve(svr); err != nil { log.WithFields(log.Fields{ "error": err, }).Error("relax: cannot start healthcheck server") } else { log.Info("relax: started healthcheck server on ", fmt.Sprintf("%s:%d", host, port)) } log.Info("relax: healthcheck server stopped") }
func testbinMain() { var httpAddr, httpsAddr string flag.StringVar(&httpAddr, "http", ":48560", "http address to bind to") flag.StringVar(&httpsAddr, "https", ":48561", "https address to bind to") flag.Parse() // we have self signed certs http.DefaultTransport = &http.Transport{ DisableKeepAlives: true, TLSClientConfig: &tls.Config{ InsecureSkipVerify: true, }, } err := flag.Set("gracehttp.log", "false") if err != nil { log.Fatalf("Error setting gracehttp.log: %s", err) } // print json to stderr once we can successfully connect to all three // addresses. the ensures we only print the line once we're ready to serve. go func() { var wg sync.WaitGroup wg.Add(2) go wait(&wg, fmt.Sprintf("http://%s/sleep/?duration=1ms", httpAddr)) go wait(&wg, fmt.Sprintf("https://%s/sleep/?duration=1ms", httpsAddr)) wg.Wait() err := json.NewEncoder(os.Stderr).Encode(&response{Pid: os.Getpid()}) if err != nil { log.Fatalf("Error writing startup json: %s", err) } }() err = gracehttp.Serve( &http.Server{Addr: httpAddr, Handler: newHandler()}, httpsServer(httpsAddr), ) if err != nil { log.Fatalf("Error in gracehttp.Serve: %s", err) } }