package container import ( "encoding/json" "fmt" "golang.org/x/net/context" "github.com/docker/docker/api/client" "github.com/docker/docker/cli" dockeropts "github.com/docker/docker/opts" "github.com/docker/engine-api/types" containertypes "github.com/docker/engine-api/types/container" "github.com/spf13/cobra" ) type commitOptions struct { container string reference string pause bool comment string author string changes dockeropts.ListOpts config string } // NewCommitCommand creats a new cobra.Command for `docker commit` func NewCommitCommand(dockerCli *client.DockerCli) *cobra.Command { var opts commitOptions cmd := &cobra.Command{ Use: "commit [OPTIONS] CONTAINER [REPOSITORY[:TAG]]", Short: "Create a new image from a container's changes", Args: cli.RequiresRangeArgs(1, 2), RunE: func(cmd *cobra.Command, args []string) error { opts.container = args[0] if len(args) > 1 { opts.reference = args[1] } return runCommit(dockerCli, &opts) }, } cmd.SetFlagErrorFunc(flagErrorFunc) flags := cmd.Flags() flags.SetInterspersed(false) flags.BoolVarP(&opts.pause, "pause", "p", true, "Pause container during commit") flags.StringVarP(&opts.comment, "message", "m", "", "Commit message") flags.StringVarP(&opts.author, "author", "a", "", "Author (e.g., \"John Hannibal Smith \")") opts.changes = dockeropts.NewListOpts(nil) flags.VarP(&opts.changes, "change", "c", "Apply Dockerfile instruction to the created image") // FIXME: --run is deprecated, it will be replaced with inline Dockerfile commands. flags.StringVar(&opts.config, "run", "", "This option is deprecated and will be removed in a future version in favor of inline Dockerfile-compatible commands") flags.MarkDeprecated("run", "it will be replaced with inline Dockerfile commands.") return cmd } func runCommit(dockerCli *client.DockerCli, opts *commitOptions) error { ctx := context.Background() name := opts.container reference := opts.reference var config *containertypes.Config if opts.config != "" { config = &containertypes.Config{} if err := json.Unmarshal([]byte(opts.config), config); err != nil { return err } } options := types.ContainerCommitOptions{ Reference: reference, Comment: opts.comment, Author: opts.author, Changes: opts.changes.GetAll(), Pause: opts.pause, Config: config, } response, err := dockerCli.Client().ContainerCommit(ctx, name, options) if err != nil { return err } fmt.Fprintln(dockerCli.Out(), response.ID) return nil }