func main()

in src/productcatalogservice/server.go [67:120]
48 lines of code
9 McCabe index (conditional complexity)

func main() {
	if os.Getenv("ENABLE_TRACING") == "1" {
		err := initTracing()
		if err != nil {
			log.Warnf("warn: failed to start tracer: %+v", err)
		}
	} else {
		log.Info("Tracing disabled.")
	}

	if os.Getenv("DISABLE_PROFILER") == "" {
		log.Info("Profiling enabled.")
		go initProfiling("productcatalogservice", "1.0.0")
	} else {
		log.Info("Profiling disabled.")
	}

	flag.Parse()

	// set injected latency
	if s := os.Getenv("EXTRA_LATENCY"); s != "" {
		v, err := time.ParseDuration(s)
		if err != nil {
			log.Fatalf("failed to parse EXTRA_LATENCY (%s) as time.Duration: %+v", v, err)
		}
		extraLatency = v
		log.Infof("extra latency enabled (duration: %v)", extraLatency)
	} else {
		extraLatency = time.Duration(0)
	}

	sigs := make(chan os.Signal, 1)
	signal.Notify(sigs, syscall.SIGUSR1, syscall.SIGUSR2)
	go func() {
		for {
			sig := <-sigs
			log.Printf("Received signal: %s", sig)
			if sig == syscall.SIGUSR1 {
				reloadCatalog = true
				log.Infof("Enable catalog reloading")
			} else {
				reloadCatalog = false
				log.Infof("Disable catalog reloading")
			}
		}
	}()

	if os.Getenv("PORT") != "" {
		port = os.Getenv("PORT")
	}
	log.Infof("starting grpc server at :%s", port)
	run(port)
	select {}
}