mirror of https://github.com/docker/cli.git
92 lines
2.9 KiB
Go
92 lines
2.9 KiB
Go
package network
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import (
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"context"
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"errors"
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"strings"
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"github.com/docker/cli/cli"
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"github.com/docker/cli/cli/command"
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"github.com/docker/cli/cli/command/completion"
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"github.com/docker/cli/opts"
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"github.com/docker/docker/api/types/network"
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"github.com/docker/docker/client"
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"github.com/spf13/cobra"
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)
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type connectOptions struct {
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network string
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container string
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ipaddress string
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ipv6address string
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links opts.ListOpts
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aliases []string
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linklocalips []string
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driverOpts []string
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}
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func newConnectCommand(dockerCLI command.Cli) *cobra.Command {
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options := connectOptions{
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links: opts.NewListOpts(opts.ValidateLink),
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}
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cmd := &cobra.Command{
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Use: "connect [OPTIONS] NETWORK CONTAINER",
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Short: "Connect a container to a network",
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Args: cli.ExactArgs(2),
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RunE: func(cmd *cobra.Command, args []string) error {
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options.network = args[0]
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options.container = args[1]
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return runConnect(cmd.Context(), dockerCLI.Client(), options)
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},
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ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
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if len(args) == 0 {
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return completion.NetworkNames(dockerCLI)(cmd, args, toComplete)
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}
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nw := args[0]
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return completion.ContainerNames(dockerCLI, true, not(isConnected(nw)))(cmd, args, toComplete)
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},
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}
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flags := cmd.Flags()
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flags.StringVar(&options.ipaddress, "ip", "", `IPv4 address (e.g., "172.30.100.104")`)
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flags.StringVar(&options.ipv6address, "ip6", "", `IPv6 address (e.g., "2001:db8::33")`)
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flags.Var(&options.links, "link", "Add link to another container")
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flags.StringSliceVar(&options.aliases, "alias", []string{}, "Add network-scoped alias for the container")
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flags.StringSliceVar(&options.linklocalips, "link-local-ip", []string{}, "Add a link-local address for the container")
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flags.StringSliceVar(&options.driverOpts, "driver-opt", []string{}, "driver options for the network")
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return cmd
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}
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func runConnect(ctx context.Context, apiClient client.NetworkAPIClient, options connectOptions) error {
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driverOpts, err := convertDriverOpt(options.driverOpts)
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if err != nil {
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return err
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}
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return apiClient.NetworkConnect(ctx, options.network, options.container, &network.EndpointSettings{
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IPAMConfig: &network.EndpointIPAMConfig{
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IPv4Address: options.ipaddress,
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IPv6Address: options.ipv6address,
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LinkLocalIPs: options.linklocalips,
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},
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Links: options.links.GetAll(),
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Aliases: options.aliases,
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DriverOpts: driverOpts,
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})
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}
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func convertDriverOpt(options []string) (map[string]string, error) {
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driverOpt := make(map[string]string)
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for _, opt := range options {
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k, v, ok := strings.Cut(opt, "=")
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// TODO(thaJeztah): we should probably not accept whitespace here (both for key and value).
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k = strings.TrimSpace(k)
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if !ok || k == "" {
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return nil, errors.New("invalid key/value pair format in driver options")
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}
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driverOpt[k] = strings.TrimSpace(v)
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}
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return driverOpt, nil
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}
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