Golang Context.GlobalBool Examples

Example #1

File: handle.go Project: chdion/etcdctl

// rawhandle wraps the command function handlers and sets up the
// environment but performs no output formatting.
func rawhandle(c *cli.Context, fn handlerFunc) (*etcd.Response, error) {
	sync := !c.GlobalBool("no-sync")

	peerstr := c.GlobalString("peers")

	// Use an environment variable if nothing was supplied on the
	// command line
	if peerstr == "" {
		peerstr = os.Getenv("ETCDCTL_PEERS")
	}

	// If we still don't have peers, use a default
	if peerstr == "" {
		peerstr = "127.0.0.1:4001"
	}

	peers := strings.Split(peerstr, ",")

	// If no sync, create http path for each peer address
	if !sync {
		revisedPeers := make([]string, 0)
		for _, peer := range peers {
			if revisedPeer, err := createHttpPath(peer); err != nil {
				fmt.Fprintf(os.Stderr, "Unsupported url %v: %v\n", peer, err)
			} else {
				revisedPeers = append(revisedPeers, revisedPeer)
			}
		}
		peers = revisedPeers
	}

	client := etcd.NewClient(peers)

	if c.GlobalBool("debug") {
		go dumpCURL(client)
	}

	// Sync cluster.
	if sync {
		if ok := client.SyncCluster(); !ok {
			handleError(FailedToConnectToHost, errors.New("Cannot sync with the cluster using peers "+strings.Join(peers, ", ")))
		}
	}

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

	// Execute handler function.
	return fn(c, client)
}