// 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") peers := c.GlobalStringSlice("peers") // Append default peer address if not any if len(peers) == 0 { peers_from_environment := os.Getenv("ETCDCTL_PEERS") if peers_from_environment != "" { peers = strings.Split(peers_from_environment, ",") } else { peers = append(peers, "127.0.0.1:4001") } } // 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) }