cri-o/libkpod/image/rmi.go
Nalin Dahyabhai 2e50006f1c Avoid using lower-level storage APIs
Switch from using the lower-level storage APIs (accessing LayerStore,
ImageStore, and ContainerStore types directly) in favor of the
higher-level ones that take care of synchronization and locking for us.

Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>
2017-07-25 13:29:49 -04:00

35 lines
981 B
Go

package image
import (
"github.com/containers/storage"
"github.com/pkg/errors"
)
// UntagImage removes the tag from the given image
func UntagImage(store storage.Store, image *storage.Image, imgArg string) (string, error) {
// Remove name from image.Names and set the new names
newNames := []string{}
removedName := ""
for _, name := range image.Names {
if MatchesReference(name, imgArg) {
removedName = name
continue
}
newNames = append(newNames, name)
}
if removedName != "" {
if err := store.SetNames(image.ID, newNames); err != nil {
return "", errors.Wrapf(err, "error removing name %q from image %q", removedName, image.ID)
}
}
return removedName, nil
}
// RemoveImage removes the given image from storage
func RemoveImage(image *storage.Image, store storage.Store) (string, error) {
_, err := store.DeleteImage(image.ID, true)
if err != nil {
return "", errors.Wrapf(err, "could not remove image %q", image.ID)
}
return image.ID, nil
}