| package swarm |
| |
| import ( |
| "fmt" |
| "strings" |
| |
| "github.com/docker/docker/api/client" |
| "github.com/docker/docker/cli" |
| "github.com/docker/engine-api/types/swarm" |
| "github.com/spf13/cobra" |
| "golang.org/x/net/context" |
| ) |
| |
| type joinOptions struct { |
| remote string |
| listenAddr NodeAddrOption |
| // Not a NodeAddrOption because it has no default port. |
| advertiseAddr string |
| token string |
| } |
| |
| func newJoinCommand(dockerCli *client.DockerCli) *cobra.Command { |
| opts := joinOptions{ |
| listenAddr: NewListenAddrOption(), |
| } |
| |
| cmd := &cobra.Command{ |
| Use: "join [OPTIONS] HOST:PORT", |
| Short: "Join a swarm as a node and/or manager", |
| Args: cli.ExactArgs(1), |
| RunE: func(cmd *cobra.Command, args []string) error { |
| opts.remote = args[0] |
| return runJoin(dockerCli, opts) |
| }, |
| } |
| |
| flags := cmd.Flags() |
| flags.Var(&opts.listenAddr, flagListenAddr, "Listen address (format: <ip|interface>[:port])") |
| flags.StringVar(&opts.advertiseAddr, flagAdvertiseAddr, "", "Advertised address (format: <ip|interface>[:port])") |
| flags.StringVar(&opts.token, flagToken, "", "Token for entry into the swarm") |
| return cmd |
| } |
| |
| func runJoin(dockerCli *client.DockerCli, opts joinOptions) error { |
| client := dockerCli.Client() |
| ctx := context.Background() |
| |
| req := swarm.JoinRequest{ |
| JoinToken: opts.token, |
| ListenAddr: opts.listenAddr.String(), |
| AdvertiseAddr: opts.advertiseAddr, |
| RemoteAddrs: []string{opts.remote}, |
| } |
| err := client.SwarmJoin(ctx, req) |
| if err != nil { |
| return err |
| } |
| |
| info, err := client.Info(ctx) |
| if err != nil { |
| return err |
| } |
| |
| _, _, err = client.NodeInspectWithRaw(ctx, info.Swarm.NodeID) |
| if err != nil { |
| // TODO(aaronl): is there a better way to do this? |
| if strings.Contains(err.Error(), "This node is not a swarm manager.") { |
| fmt.Fprintln(dockerCli.Out(), "This node joined a swarm as a worker.") |
| } |
| } else { |
| fmt.Fprintln(dockerCli.Out(), "This node joined a swarm as a manager.") |
| } |
| |
| return nil |
| } |