Ejemplo n.º 1
0
Archivo: util.go Proyecto: lrita/etcd
func mustNewClient(c *cli.Context) client.Client {
	hc, err := newClient(c)
	if err != nil {
		fmt.Fprintln(os.Stderr, err.Error())
		os.Exit(1)
	}

	debug := c.GlobalBool("debug")
	if debug {
		client.EnablecURLDebug()
	}

	if !c.GlobalBool("no-sync") {
		if debug {
			fmt.Fprintf(os.Stderr, "start to sync cluster using endpoints(%s)\n", strings.Join(hc.Endpoints(), ","))
		}
		ctx, cancel := context.WithTimeout(context.Background(), client.DefaultRequestTimeout)
		err := hc.Sync(ctx)
		cancel()
		if err != nil {
			if err == client.ErrNoEndpoints {
				fmt.Fprintf(os.Stderr, "etcd cluster has no published client endpoints.\n")
				fmt.Fprintf(os.Stderr, "Try '--no-sync' if you want to access non-published client endpoints(%s).\n", strings.Join(hc.Endpoints(), ","))
				handleError(ExitServerError, err)
			}

			if isConnectionError(err) {
				handleError(ExitBadConnection, err)
			}

			// fail-back to try sync cluster with peer API. this is for making etcdctl work with etcd 0.4.x.
			// TODO: remove this when we deprecate the support for etcd 0.4.
			eps, serr := syncWithPeerAPI(c, ctx, hc.Endpoints())
			if serr != nil {
				if isConnectionError(serr) {
					handleError(ExitBadConnection, serr)
				} else {
					handleError(ExitServerError, serr)
				}
			}
			err = hc.SetEndpoints(eps)
			if err != nil {
				handleError(ExitServerError, err)
			}
		}
		if debug {
			fmt.Fprintf(os.Stderr, "got endpoints(%s) after sync\n", strings.Join(hc.Endpoints(), ","))
		}
	}

	if debug {
		fmt.Fprintf(os.Stderr, "Cluster-Endpoints: %s\n", strings.Join(hc.Endpoints(), ", "))
	}

	return hc
}
Ejemplo n.º 2
0
func NewEtcdClient(peers []string, prefix string, timeout time.Duration) (EtcdClient, error) {
	if EtcdDebug {
		client.EnablecURLDebug()
	}
	ec, er := client.New(client.Config{Endpoints: peers})
	if er != nil {
		return nil, er
	}
	return &realEtcdClient{client.NewKeysAPI(ec), new(sync.RWMutex), prefix, timeout}, nil
}
Ejemplo n.º 3
0
func mustNewClient(c *cli.Context) client.Client {
	eps, err := getEndpoints(c)
	if err != nil {
		fmt.Fprintln(os.Stderr, err.Error())
		os.Exit(1)
	}

	tr, err := getTransport(c)
	if err != nil {
		fmt.Fprintln(os.Stderr, err.Error())
		os.Exit(1)
	}

	cfg := client.Config{
		Transport:               tr,
		Endpoints:               eps,
		HeaderTimeoutPerRequest: c.GlobalDuration("timeout"),
	}

	uFlag := c.GlobalString("username")
	if uFlag != "" {
		username, password, err := getUsernamePasswordFromFlag(uFlag)
		if err != nil {
			fmt.Fprintln(os.Stderr, err.Error())
			os.Exit(1)
		}
		cfg.Username = username
		cfg.Password = password
	}

	hc, err := client.New(cfg)
	if err != nil {
		fmt.Fprintln(os.Stderr, err.Error())
		os.Exit(1)
	}

	if !c.GlobalBool("no-sync") {
		ctx, cancel := context.WithTimeout(context.Background(), client.DefaultRequestTimeout)
		err := hc.Sync(ctx)
		cancel()
		if err != nil {
			handleError(ExitServerError, err)
			os.Exit(1)
		}
	}

	if c.GlobalBool("debug") {
		fmt.Fprintf(os.Stderr, "Cluster-Endpoints: %s\n", strings.Join(hc.Endpoints(), ", "))
		client.EnablecURLDebug()
	}

	return hc
}
Ejemplo n.º 4
0
func mustNewClientNoSync(c *cli.Context) client.Client {
	hc, err := newClient(c)
	if err != nil {
		fmt.Fprintln(os.Stderr, err.Error())
		os.Exit(1)
	}

	if c.GlobalBool("debug") {
		fmt.Fprintf(os.Stderr, "Cluster-Endpoints: %s\n", strings.Join(hc.Endpoints(), ", "))
		client.EnablecURLDebug()
	}

	return hc
}
Ejemplo n.º 5
0
func mustNewClient(c *cli.Context) client.Client {
	hc, err := newClient(c)
	if err != nil {
		fmt.Fprintln(os.Stderr, err.Error())
		os.Exit(1)
	}

	debug := c.GlobalBool("debug")
	if debug {
		client.EnablecURLDebug()
	}

	if !c.GlobalBool("no-sync") {
		if debug {
			fmt.Fprintf(os.Stderr, "start to sync cluster using endpoints(%s)\n", strings.Join(hc.Endpoints(), ","))
		}
		ctx, cancel := contextWithTotalTimeout(c)
		err := hc.Sync(ctx)
		cancel()
		if err != nil {
			if err == client.ErrNoEndpoints {
				fmt.Fprintf(os.Stderr, "etcd cluster has no published client endpoints.\n")
				fmt.Fprintf(os.Stderr, "Try '--no-sync' if you want to access non-published client endpoints(%s).\n", strings.Join(hc.Endpoints(), ","))
				handleError(ExitServerError, err)
			}
			if isConnectionError(err) {
				handleError(ExitBadConnection, err)
			}
		}
		if debug {
			fmt.Fprintf(os.Stderr, "got endpoints(%s) after sync\n", strings.Join(hc.Endpoints(), ","))
		}
	}

	if debug {
		fmt.Fprintf(os.Stderr, "Cluster-Endpoints: %s\n", strings.Join(hc.Endpoints(), ", "))
	}

	return hc
}
Ejemplo n.º 6
0
// EnableEtcdDebug turns on cURL debug logging for the etcd client
func EnableEtcdDebug() {
	client.EnablecURLDebug()
}