Function newJoinCommand

cli/command/swarm/join.go:26–54

(dockerCLI command.Cli)

}

func newJoinCommand(dockerCLI command.Cli) *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(cmd.Context(), dockerCLI, cmd.Flags(), opts)
		},
		Annotations: map[string]string{
			"version": "1.24",
			"swarm":   "", // swarm join does not require swarm to be active, and is always available on API 1.24 and up
		},
		DisableFlagsInUseLine: true,
	}

	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.dataPathAddr, flagDataPathAddr, "", `Address or interface to use for data path traffic (format: "<ip|interface>")`)
	flags.SetAnnotation(flagDataPathAddr, "version", []string{"1.31"})
	flags.StringVar(&opts.token, flagToken, "", "Token for entry into the swarm")
	flags.StringVar(&opts.availability, flagAvailability, "active", `Availability of the node ("active", "pause", "drain")`)
	return cmd
}

func runJoin(ctx context.Context, dockerCLI command.Cli, flags *pflag.FlagSet, opts joinOptions) error {
	apiClient := dockerCLI.Client()