package manifest import ( "fmt" "github.com/docker/cli/cli" "github.com/docker/cli/cli/command" "github.com/docker/cli/cli/manifest/store" "github.com/docker/docker/registry" "github.com/pkg/errors" "github.com/spf13/cobra" "golang.org/x/net/context" ) type createOpts struct { amend bool insecure bool } func newCreateListCommand(dockerCli command.Cli) *cobra.Command { opts := createOpts{} cmd := &cobra.Command{ Use: "create MANFEST_LIST MANIFEST [MANIFEST...]", Short: "Create a local manifest list for annotating and pushing to a registry", Args: cli.RequiresMinArgs(2), RunE: func(cmd *cobra.Command, args []string) error { return createManifestList(dockerCli, args, opts) }, } flags := cmd.Flags() flags.BoolVar(&opts.insecure, "insecure", false, "allow communication with an insecure registry") flags.BoolVarP(&opts.amend, "amend", "a", false, "Amend an existing manifest list") return cmd } func createManifestList(dockerCli command.Cli, args []string, opts createOpts) error { newRef := args[0] targetRef, err := normalizeReference(newRef) if err != nil { return errors.Wrapf(err, "error parsing name for manifest list %s", newRef) } _, err = registry.ParseRepositoryInfo(targetRef) if err != nil { return errors.Wrapf(err, "error parsing repository name for manifest list %s", newRef) } manifestStore := dockerCli.ManifestStore() _, err = manifestStore.GetList(targetRef) switch { case store.IsNotFound(err): // New manifest list case err != nil: return err case !opts.amend: return errors.Errorf("refusing to amend an existing manifest list with no --amend flag") } ctx := context.Background() // Now create the local manifest list transaction by looking up the manifest schemas // for the constituent images: manifests := args[1:] for _, manifestRef := range manifests { namedRef, err := normalizeReference(manifestRef) if err != nil { // TODO: wrap error? return err } manifest, err := getManifest(ctx, dockerCli, targetRef, namedRef, opts.insecure) if err != nil { return err } if err := manifestStore.Save(targetRef, namedRef, manifest); err != nil { return err } } fmt.Fprintf(dockerCli.Out(), "Created manifest list %s\n", targetRef.String()) return nil }