Method Update

core/metadata/images.go:180–280

(ctx context.Context, image images.Image, fieldpaths ...string)

}

func (s *imageStore) Update(ctx context.Context, image images.Image, fieldpaths ...string) (images.Image, error) {
	namespace, err := namespaces.NamespaceRequired(ctx)
	if err != nil {
		return images.Image{}, err
	}

	if image.Name == "" {
		return images.Image{}, fmt.Errorf("image name is required for update: %w", errdefs.ErrInvalidArgument)
	}

	var updated images.Image

	if err := update(ctx, s.db, func(tx *bolt.Tx) error {
		bkt, err := createImagesBucket(tx, namespace)
		if err != nil {
			return err
		}

		ibkt := bkt.Bucket([]byte(image.Name))
		if ibkt == nil {
			return fmt.Errorf("image %q: %w", image.Name, errdefs.ErrNotFound)
		}

		if err := readImage(&updated, ibkt); err != nil {
			return fmt.Errorf("image %q: %w", image.Name, err)
		}
		createdat := updated.CreatedAt
		updated.Name = image.Name

		if len(fieldpaths) > 0 {
			for _, path := range fieldpaths {
				if strings.HasPrefix(path, "labels.") {
					if updated.Labels == nil {
						updated.Labels = map[string]string{}
					}

					key := strings.TrimPrefix(path, "labels.")
					updated.Labels[key] = image.Labels[key]
					continue
				} else if strings.HasPrefix(path, "annotations.") {
					if updated.Target.Annotations == nil {
						updated.Target.Annotations = map[string]string{}
					}

					key := strings.TrimPrefix(path, "annotations.")
					updated.Target.Annotations[key] = image.Target.Annotations[key]
					continue
				}

				switch path {
				case "labels":
					updated.Labels = image.Labels
				case "target":
					// NOTE(stevvooe): While we allow setting individual labels, we
					// only support replacing the target as a unit, since that is
					// commonly pulled as a unit from other sources. It often doesn't
					// make sense to modify the size or digest without touching the
					// mediatype, as well, for example.