DockerCLI/cli/command/network/connect.go

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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.Cli) *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.Cli, 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)
}