package network import ( "github.com/docker/cli/cli" "github.com/docker/cli/cli/command" "github.com/docker/cli/opts" "github.com/docker/docker/api/types/network" "github.com/spf13/cobra" "golang.org/x/net/context" ) type connectOptions struct { network string container string ipaddress string ipv6address string links opts.ListOpts aliases []string linklocalips []string } func newConnectCommand(dockerCli *command.DockerCli) *cobra.Command { options := connectOptions{ links: opts.NewListOpts(opts.ValidateLink), } cmd := &cobra.Command{ Use: "connect [OPTIONS] NETWORK CONTAINER", Short: "Connect a container to a network", Args: cli.ExactArgs(2), RunE: func(cmd *cobra.Command, args []string) error { options.network = args[0] options.container = args[1] return runConnect(dockerCli, options) }, } flags := cmd.Flags() flags.StringVar(&options.ipaddress, "ip", "", "IPv4 address (e.g., 172.30.100.104)") flags.StringVar(&options.ipv6address, "ip6", "", "IPv6 address (e.g., 2001:db8::33)") flags.Var(&options.links, "link", "Add link to another container") flags.StringSliceVar(&options.aliases, "alias", []string{}, "Add network-scoped alias for the container") flags.StringSliceVar(&options.linklocalips, "link-local-ip", []string{}, "Add a link-local address for the container") return cmd } func runConnect(dockerCli *command.DockerCli, options connectOptions) error { client := dockerCli.Client() epConfig := &network.EndpointSettings{ IPAMConfig: &network.EndpointIPAMConfig{ IPv4Address: options.ipaddress, IPv6Address: options.ipv6address, LinkLocalIPs: options.linklocalips, }, Links: options.links.GetAll(), Aliases: options.aliases, } return client.NetworkConnect(context.Background(), options.network, options.container, epConfig) }