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