Example #1
0
File: main.go Project: alemic/gleam
func main() {
	// prepare the configuration
	config, err := InitConfig()
	if err != nil {
		log.Error(err)
		return
	}

	// make PID file
	if config.Pid != "" {
		p, err := pid.New(config.Pid)
		if err != nil {
			log.Error(err)
			return
		}
		defer p.Close()
	}

	log.Message("Starting...")
	if config.Ca != "" || config.Cert != "" || config.Key != "" {
		log.Messagef("Setting TLS (CA=%s; Cert=%s; Key=%s)...", config.Ca, config.Cert, config.Key)
	}
	g, err := gleam.New(config.Etcd, config.Script, config.Cert, config.Key, config.Ca)
	if err != nil {
		log.Error(err)
		return
	}
	defer g.Close()
	g.ErrHandler = func(err error) {
		log.Error(err)
	}
	log.Messagef("Watching(Name = %s)...", config.Name)
	g.WatchNode(config.Name)
	for _, r := range config.Region {
		log.Messagef("Watching(Region = %s)...", r)
		g.WatchRegion(r)
	}
	go g.Serve()
	// signal handler
	sh := signal.NewHandler()
	sh.Bind(os.Interrupt, func() bool { return true })
	go func() {
		g.Wait()
		if err := signal.Send(os.Getpid(), os.Interrupt); err != nil {
			panic(err)
		}
	}()

	sh.Loop()
	log.Message("Exit!")
}
Example #2
0
func main() {
	log.Message("Starting ... ")
	defer func() {
		time.Sleep(time.Second)
		log.Message("Shutdown complate!")
	}()

	// init profiling file
	if *proffile != "" {
		log.Debugf("Open a profiling file: %s", *proffile)
		if err := prof.Start(*proffile); err != nil {
			log.Error(err)
		} else {
			defer prof.Stop()
		}
	}

	// init heap dumping file
	if *dumpfile != "" {
		log.Debugf("Open a heap dumping file: %s", *dumpfile)
		if err := prof.NewDump(*dumpfile); err != nil {
			log.Error(err)
		} else {
			defer prof.CloseDump()
			go func() {
				for prof.Dumping {
					time.Sleep(time.Duration(*dumptime) * time.Second)
					prof.Dump()
				}
			}()
		}
	}

	// init pid file
	log.Debugf("Open a pid file: %s", *pidfile)
	if pidFile, err := pid.New(*pidfile); err != nil {
		log.Error(err)
	} else {
		defer pidFile.Close()
	}

	w := worker.New(*joblimit)
	if err := w.AddServer(*gearmand); err != nil {
		log.Error(err)
		return
	}
	if err := w.AddFunc("exec", execShell, uint32(*timeout)); err != nil {
		log.Error(err)
		return
	}
	if err := w.AddFunc("execphp", execPHP, uint32(*timeout)); err != nil {
		log.Error(err)
		return
	}
	defer w.Close()
	go w.Work()

	// signal handler
	sh := signal.NewHandler()
	sh.Bind(os.Interrupt, func() bool { return true })
	sh.Loop()
}