Function newInitCommand

cli/command/swarm/init.go:31–67

(dockerCLI command.Cli)

}

func newInitCommand(dockerCLI command.Cli) *cobra.Command {
	opts := initOptions{
		listenAddr: NewListenAddrOption(),
	}

	cmd := &cobra.Command{
		Use:   "init [OPTIONS]",
		Short: "Initialize a swarm",
		Args:  cli.NoArgs,
		RunE: func(cmd *cobra.Command, args []string) error {
			return runInit(cmd.Context(), dockerCLI, cmd.Flags(), opts)
		},
		Annotations: map[string]string{
			"version": "1.24",
			"swarm":   "", // swarm init does not require swarm to be active, and is always available on API 1.24 and up
		},
		ValidArgsFunction:     cobra.NoFileCompletions,
		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.Uint32Var(&opts.dataPathPort, flagDataPathPort, 0, "Port number to use for data path traffic (1024 - 49151). If no value is set or is set to 0, the default port (4789) is used.")
	_ = flags.SetAnnotation(flagDataPathPort, "version", []string{"1.40"})
	flags.BoolVar(&opts.forceNewCluster, "force-new-cluster", false, "Force create a new cluster from current state")
	flags.BoolVar(&opts.autolock, flagAutolock, false, "Enable manager autolocking (requiring an unlock key to start a stopped manager)")
	flags.StringVar(&opts.availability, flagAvailability, "active", `Availability of the node ("active", "pause", "drain")`)
	flags.IPNetSliceVar(&opts.defaultAddrPools, flagDefaultAddrPool, []net.IPNet{}, "default address pool in CIDR format")
	_ = flags.SetAnnotation(flagDefaultAddrPool, "version", []string{"1.39"})
	flags.Uint32Var(&opts.DefaultAddrPoolMaskLength, flagDefaultAddrPoolMaskLength, 24, "default address pool subnet mask length")
	_ = flags.SetAnnotation(flagDefaultAddrPoolMaskLength, "version", []string{"1.39"})
	addSwarmFlags(flags, &opts.swarmOptions)
	return cmd
}

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