Example #1
0
func reloadDB() (err error) {
	fmt.Printf("dropping & re-initializing database...")
	if err = core.DropDB(); err != nil {
		return err
	}
	core.InitDB()
	fmt.Printf("done\n")
	return
}
Example #2
0
func main() {

	if !conf.INIT_SUCCESS {
		conf.PrintServerUsage()
		os.Exit(1)
	}

	printLogo()
	conf.Print()

	if _, err := os.Stat(conf.DATA_PATH); err != nil && os.IsNotExist(err) {
		if err := os.MkdirAll(conf.DATA_PATH, 0777); err != nil {
			fmt.Fprintf(os.Stderr, "ERROR in creating data_path %s\n", err.Error())
			os.Exit(1)
		}
	}

	if _, err := os.Stat(conf.LOGS_PATH); err != nil && os.IsNotExist(err) {
		if err := os.MkdirAll(conf.LOGS_PATH, 0777); err != nil {
			fmt.Fprintf(os.Stderr, "ERROR in creating log_path %s\n", err.Error())
			os.Exit(1)
		}
	}

	if _, err := os.Stat(conf.DATA_PATH + "/temp"); err != nil && os.IsNotExist(err) {
		if err := os.Mkdir(conf.DATA_PATH+"/temp", 0777); err != nil {
			fmt.Fprintf(os.Stderr, "ERROR: %v\n", err)
			os.Exit(1)
		}
	}

	//init logger
	Log = NewLogger("server")

	//init db
	core.InitDB()

	// reload job directory
	if conf.RELOAD != "" {
		fmt.Println("####### Reloading #######")
		if err := reload(conf.RELOAD); err != nil {
			fmt.Fprintf(os.Stderr, "ERROR: %v\n", err)
		}
		fmt.Println("Done")
	}

	//init max job number (jid)
	if err := queueMgr.InitMaxJid(); err != nil {
		fmt.Fprintf(os.Stderr, "ERROR: %v\n", err)
		os.Exit(1)
	}

	//recover unfinished jobs before server went down last time
	if conf.RECOVER {
		fmt.Println("####### Recovering unfinished jobs #######")
		if err := queueMgr.RecoverJobs(); err != nil {
			fmt.Fprintf(os.Stderr, "ERROR: %v\n", err)
		}
		fmt.Println("Done")
	}

	//launch server
	control := make(chan int)
	go Log.Handle()
	go queueMgr.Handle()
	go queueMgr.Timer()
	go queueMgr.ClientChecker()
	go launchSite(control, conf.SITE_PORT)
	go launchAPI(control, conf.API_PORT)

	var host string
	if hostname, err := os.Hostname(); err == nil {
		host = fmt.Sprintf("%s:%d", hostname, conf.API_PORT)
	}
	if conf.RECOVER {
		Log.Event(EVENT_SERVER_RECOVER, "host="+host)
	} else {
		Log.Event(EVENT_SERVER_START, "host="+host)
	}

	<-control //block till something dies
}