| package swarm |
| |
| import ( |
| "errors" |
| "fmt" |
| |
| "github.com/spf13/cobra" |
| |
| "github.com/docker/docker/api/types/swarm" |
| "github.com/docker/docker/cli" |
| "github.com/docker/docker/cli/command" |
| "golang.org/x/net/context" |
| ) |
| |
| func newJoinTokenCommand(dockerCli *command.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(), "Successfully 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 |
| } |
| |
| func printJoinCommand(ctx context.Context, dockerCli *command.DockerCli, nodeID string, worker bool, manager bool) error { |
| client := dockerCli.Client() |
| |
| swarm, err := client.SwarmInspect(ctx) |
| if err != nil { |
| return err |
| } |
| |
| node, _, err := client.NodeInspectWithRaw(ctx, nodeID) |
| if err != nil { |
| return err |
| } |
| |
| if node.ManagerStatus != nil { |
| if worker { |
| fmt.Fprintf(dockerCli.Out(), "To add a worker to this swarm, run the following command:\n\n docker swarm join \\\n --token %s \\\n %s\n\n", swarm.JoinTokens.Worker, node.ManagerStatus.Addr) |
| } |
| if manager { |
| fmt.Fprintf(dockerCli.Out(), "To add a manager to this swarm, run the following command:\n\n docker swarm join \\\n --token %s \\\n %s\n\n", swarm.JoinTokens.Manager, node.ManagerStatus.Addr) |
| } |
| } |
| |
| return nil |
| } |