package main import ( "fmt" "os" "github.com/containers/storage" "github.com/pkg/errors" "github.com/projectatomic/libpod/cmd/podman/libpodruntime" "github.com/projectatomic/libpod/libpod/image" "github.com/urfave/cli" ) var ( rmiDescription = "removes one or more locally stored images." rmiFlags = []cli.Flag{ cli.BoolFlag{ Name: "all, a", Usage: "remove all images", }, cli.BoolFlag{ Name: "force, f", Usage: "force removal of the image", }, } rmiCommand = cli.Command{ Name: "rmi", Usage: "removes one or more images from local storage", Description: rmiDescription, Action: rmiCmd, ArgsUsage: "IMAGE-NAME-OR-ID [...]", Flags: rmiFlags, UseShortOptionHandling: true, } ) func rmiCmd(c *cli.Context) error { ctx := getContext() if err := validateFlags(c, rmiFlags); err != nil { return err } removeAll := c.Bool("all") runtime, err := libpodruntime.GetRuntime(c) if err != nil { return errors.Wrapf(err, "could not get runtime") } defer runtime.Shutdown(false) args := c.Args() if len(args) == 0 && !removeAll { return errors.Errorf("image name or ID must be specified") } if len(args) > 0 && removeAll { return errors.Errorf("when using the --all switch, you may not pass any images names or IDs") } images := args[:] var lastError error var deleted bool removeImage := func(img *image.Image) { deleted = true msg, err := runtime.RemoveImage(ctx, img, c.Bool("force")) if err != nil { if errors.Cause(err) == storage.ErrImageUsedByContainer { fmt.Printf("A container associated with containers/storage, i.e. via Buildah, CRI-O, etc., may be associated with this image: %-12.12s\n", img.ID()) } if lastError != nil { fmt.Fprintln(os.Stderr, lastError) } lastError = err } else { fmt.Println(msg) } } if removeAll { var imagesToDelete []*image.Image imagesToDelete, err = runtime.ImageRuntime().GetImages() if err != nil { return errors.Wrapf(err, "unable to query local images") } for _, i := range imagesToDelete { removeImage(i) } } else { // Create image.image objects for deletion from user input. // Note that we have to query the storage one-by-one to // always get the latest state for each image. Otherwise, we // run inconsistency issues, for instance, with repoTags. // See https://github.com/projectatomic/libpod/issues/930 as // an exemplary inconsistency issue. for _, i := range images { newImage, err := runtime.ImageRuntime().NewFromLocal(i) if err != nil { fmt.Fprintln(os.Stderr, err) continue } removeImage(newImage) } } if !deleted { return errors.Errorf("no valid images to delete") } return lastError }