Exemple #1
0
func runJoin(dockerCli *client.DockerCli, opts joinOptions) error {
	client := dockerCli.Client()
	ctx := context.Background()

	req := swarm.JoinRequest{
		JoinToken:   opts.token,
		ListenAddr:  opts.listenAddr.String(),
		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
}
Exemple #2
0
func runInit(dockerCli *client.DockerCli, flags *pflag.FlagSet, opts initOptions) error {
	client := dockerCli.Client()
	ctx := context.Background()

	// If no secret was specified, we create a random one
	if !flags.Changed("secret") {
		opts.secret = generateRandomSecret()
		fmt.Fprintf(dockerCli.Out(), "No --secret provided. Generated random secret:\n\t%s\n\n", opts.secret)
	}

	req := swarm.InitRequest{
		ListenAddr:      opts.listenAddr.String(),
		ForceNewCluster: opts.forceNewCluster,
		Spec:            opts.swarmOptions.ToSpec(),
	}

	nodeID, err := client.SwarmInit(ctx, req)
	if err != nil {
		return err
	}

	fmt.Fprintf(dockerCli.Out(), "Swarm initialized: current node (%s) is now a manager.\n\n", nodeID)

	// Fetch CAHash and Address from the API
	info, err := client.Info(ctx)
	if err != nil {
		return err
	}

	node, _, err := client.NodeInspectWithRaw(ctx, nodeID)
	if err != nil {
		return err
	}

	if node.ManagerStatus != nil && info.Swarm.CACertHash != "" {
		var secretArgs string
		if opts.secret != "" {
			secretArgs = "--secret " + opts.secret
		}
		fmt.Fprintf(dockerCli.Out(), "To add a worker to this swarm, run the following command:\n\tdocker swarm join %s \\\n\t--ca-hash %s \\\n\t%s\n", secretArgs, info.Swarm.CACertHash, node.ManagerStatus.Addr)
	}

	return nil
}
Exemple #3
0
func runList(dockerCli *client.DockerCli, opts listOptions) error {
	client := dockerCli.Client()
	ctx := context.Background()

	nodes, err := client.NodeList(
		ctx,
		types.NodeListOptions{Filter: opts.filter.Value()})
	if err != nil {
		return err
	}

	info, err := client.Info(ctx)
	if err != nil {
		return err
	}

	out := dockerCli.Out()
	if opts.quiet {
		printQuiet(out, nodes)
	} else {
		printTable(out, nodes, info)
	}
	return nil
}
Exemple #4
0
func newJoinTokenCommand(dockerCli *client.DockerCli) *cobra.Command {
	var rotate, quiet bool

	cmd := &cobra.Command{
		Use:   "join-token [OPTIONS] (worker|manager)",
		Short: "Manage join tokens",
		Args:  cli.ExactArgs(1),
		RunE: func(cmd *cobra.Command, args []string) error {
			worker := args[0] == "worker"
			manager := args[0] == "manager"

			if !worker && !manager {
				return errors.New("unknown role " + args[0])
			}

			client := dockerCli.Client()
			ctx := context.Background()

			if rotate {
				var flags swarm.UpdateFlags

				swarm, err := client.SwarmInspect(ctx)
				if err != nil {
					return err
				}

				flags.RotateWorkerToken = worker
				flags.RotateManagerToken = manager

				err = client.SwarmUpdate(ctx, swarm.Version, swarm.Spec, flags)
				if err != nil {
					return err
				}
				if !quiet {
					fmt.Fprintf(dockerCli.Out(), "Succesfully rotated %s join token.\n\n", args[0])
				}
			}

			swarm, err := client.SwarmInspect(ctx)
			if err != nil {
				return err
			}

			if quiet {
				if worker {
					fmt.Fprintln(dockerCli.Out(), swarm.JoinTokens.Worker)
				} else {
					fmt.Fprintln(dockerCli.Out(), swarm.JoinTokens.Manager)
				}
			} else {
				info, err := client.Info(ctx)
				if err != nil {
					return err
				}
				return printJoinCommand(ctx, dockerCli, info.Swarm.NodeID, worker, manager)
			}
			return nil
		},
	}

	flags := cmd.Flags()
	flags.BoolVar(&rotate, flagRotate, false, "Rotate join token")
	flags.BoolVarP(&quiet, flagQuiet, "q", false, "Only display token")

	return cmd
}