func openReplication(s *torus.Server, addr *url.URL) error {
	var err error
	if s.ReplicationOpen {
		return torus.ErrExists
	}
	dist, err := newDistributor(s, addr)
	if err != nil {
		return err
	}
	s.Blocks = dist
	s.INodes = torus.NewINodeStore(dist)
	err = s.BeginHeartbeat(addr)
	if err != nil {
		return err
	}
	s.ReplicationOpen = true
	return nil
}
Esempio n. 2
0
File: main.go Progetto: coreos/torus
func runServer(cmd *cobra.Command, args []string) {
	if completion {
		cmd.Root().GenBashCompletion(os.Stdout)
		os.Exit(0)
	}

	var (
		srv *torus.Server
		err error
	)
	switch {
	case cfg.MetadataAddress == "":
		srv, err = torus.NewServer(cfg, "temp", "mfile")
	case debugInit:
		err = torus.InitMDS("etcd", cfg, torus.GlobalMetadata{
			BlockSize:        512 * 1024,
			DefaultBlockSpec: blockset.MustParseBlockLayerSpec("crc,base"),
		}, ring.Ketama)
		if err != nil {
			if err == torus.ErrExists {
				fmt.Println("debug-init: Already exists")
			} else {
				fmt.Printf("Couldn't debug-init: %s\n", err)
				os.Exit(1)
			}
		}
		fallthrough
	default:
		srv, err = torus.NewServer(cfg, "etcd", "mfile")
	}
	if err != nil {
		fmt.Printf("Couldn't start: %s\n", err)
		os.Exit(1)
	}

	if autojoin {
		err = doAutojoin(srv)
		if err != nil {
			fmt.Printf("Couldn't auto-join: %s\n", err)
			os.Exit(1)
		}
	}

	mainClose := make(chan bool)
	signalChan := make(chan os.Signal, 1)
	signal.Notify(signalChan, os.Interrupt)

	if peerAddress != "" {
		var u *url.URL

		u, err = url.Parse(peerAddress)
		if err != nil {
			fmt.Printf("Couldn't parse peer address %s: %s\n", peerAddress, err)
			os.Exit(1)
		}

		if u.Scheme == "" {
			fmt.Printf("Peer address %s does not have URL scheme (http:// or tdp://)\n", peerAddress)
			os.Exit(1)
		}

		err = distributor.ListenReplication(srv, u)
	} else {
		err = distributor.OpenReplication(srv)
	}

	defer srv.Close()
	go func() {
		for _ = range signalChan {
			fmt.Println("\nReceived an interrupt, stopping services...")
			close(mainClose)
			os.Exit(0)
		}
	}()

	if err != nil {
		fmt.Println("couldn't use server:", err)
		os.Exit(1)
	}
	if httpAddress != "" {
		http.ServeHTTP(httpAddress, srv)
	}
	// Wait
	<-mainClose
}