package image import ( "github.com/containers/libpod/libpod/events" "github.com/pkg/errors" ) // GetPruneImages returns a slice of images that have no names/unused func (ir *Runtime) GetPruneImages(all bool) ([]*Image, error) { var ( pruneImages []*Image ) allImages, err := ir.GetImages() if err != nil { return nil, err } for _, i := range allImages { if len(i.Names()) == 0 { pruneImages = append(pruneImages, i) continue } if all { containers, err := i.Containers() if err != nil { return nil, err } if len(containers) < 1 { pruneImages = append(pruneImages, i) } } } return pruneImages, nil } // PruneImages prunes dangling and optionally all unused images from the local // image store func (ir *Runtime) PruneImages(all bool) ([]string, error) { var prunedCids []string pruneImages, err := ir.GetPruneImages(all) if err != nil { return nil, errors.Wrap(err, "unable to get images to prune") } for _, p := range pruneImages { if err := p.Remove(true); err != nil { return nil, errors.Wrap(err, "failed to prune image") } defer p.newImageEvent(events.Prune) prunedCids = append(prunedCids, p.ID()) } return prunedCids, nil }