package image import ( "golang.org/x/net/context" "github.com/docker/docker/api/client" "github.com/docker/docker/api/client/formatter" "github.com/docker/docker/cli" "github.com/docker/engine-api/types" "github.com/docker/engine-api/types/filters" "github.com/spf13/cobra" ) type imagesOptions struct { matchName string quiet bool all bool noTrunc bool showDigests bool format string filter []string } // NewImagesCommand create a new `docker images` command func NewImagesCommand(dockerCli *client.DockerCli) *cobra.Command { var opts imagesOptions cmd := &cobra.Command{ Use: "images [OPTIONS] [REPOSITORY[:TAG]]", Short: "List images", Args: cli.RequiresMaxArgs(1), RunE: func(cmd *cobra.Command, args []string) error { if len(args) > 0 { opts.matchName = args[0] } return runImages(dockerCli, opts) }, } flags := cmd.Flags() flags.BoolVarP(&opts.quiet, "quiet", "q", false, "Only show numeric IDs") flags.BoolVarP(&opts.all, "all", "a", false, "Show all images (default hides intermediate images)") flags.BoolVar(&opts.noTrunc, "no-trunc", false, "Don't truncate output") flags.BoolVar(&opts.showDigests, "digests", false, "Show digests") flags.StringVar(&opts.format, "format", "", "Pretty-print images using a Go template") flags.StringSliceVarP(&opts.filter, "filter", "f", []string{}, "Filter output based on conditions provided") return cmd } func runImages(dockerCli *client.DockerCli, opts imagesOptions) error { ctx := context.Background() // Consolidate all filter flags, and sanity check them early. // They'll get process in the daemon/server. imageFilterArgs := filters.NewArgs() for _, f := range opts.filter { var err error imageFilterArgs, err = filters.ParseFlag(f, imageFilterArgs) if err != nil { return err } } matchName := opts.matchName options := types.ImageListOptions{ MatchName: matchName, All: opts.all, Filters: imageFilterArgs, } images, err := dockerCli.Client().ImageList(ctx, options) if err != nil { return err } f := opts.format if len(f) == 0 { if len(dockerCli.ImagesFormat()) > 0 && !opts.quiet { f = dockerCli.ImagesFormat() } else { f = "table" } } imagesCtx := formatter.ImageContext{ Context: formatter.Context{ Output: dockerCli.Out(), Format: f, Quiet: opts.quiet, Trunc: !opts.noTrunc, }, Digest: opts.showDigests, Images: images, } imagesCtx.Write() return nil }