package images import ( "bufio" "fmt" "os" "strings" "github.com/containers/libpod/cmd/podman/registry" "github.com/containers/libpod/pkg/domain/entities" "github.com/pkg/errors" "github.com/spf13/cobra" ) var ( pruneDescription = `Removes all unnamed images from local storage. If an image is not being used by a container, it will be removed from the system.` pruneCmd = &cobra.Command{ Use: "prune", Args: cobra.NoArgs, Short: "Remove unused images", Long: pruneDescription, RunE: prune, Example: `podman image prune`, } pruneOpts = entities.ImagePruneOptions{} force bool filter = []string{} ) func init() { registry.Commands = append(registry.Commands, registry.CliCommand{ Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode}, Command: pruneCmd, Parent: imageCmd, }) flags := pruneCmd.Flags() flags.BoolVarP(&pruneOpts.All, "all", "a", false, "Remove all unused images, not just dangling ones") flags.BoolVarP(&force, "force", "f", false, "Do not prompt for confirmation") flags.StringArrayVar(&filter, "filter", []string{}, "Provide filter values (e.g. 'label==')") } func prune(cmd *cobra.Command, args []string) error { if !force { reader := bufio.NewReader(os.Stdin) fmt.Printf(` WARNING! This will remove all dangling images. Are you sure you want to continue? [y/N] `) answer, err := reader.ReadString('\n') if err != nil { return errors.Wrapf(err, "error reading input") } if strings.ToLower(answer)[0] != 'y' { return nil } } // TODO Remove once filter refactor is finished and url.Values rules :) for _, f := range filter { t := strings.SplitN(f, "=", 2) pruneOpts.Filters.Add(t[0], t[1]) } results, err := registry.ImageEngine().Prune(registry.GetContext(), pruneOpts) if err != nil { return err } for _, i := range results.Report.Id { fmt.Println(i) } for _, e := range results.Report.Err { fmt.Fprint(os.Stderr, e.Error()+"\n") } if results.Size > 0 { fmt.Fprintf(os.Stdout, "Size: %d\n", results.Size) } return nil }