Function getImageDigestAndRef

acceptance/image/image.go:344–362

getImageDigestAndRef returns the image, its digest, and digest reference for signing

(ctx context.Context, imageName string)

// getImageDigestAndRef returns the image, its digest, and digest reference for signing
func getImageDigestAndRef(ctx context.Context, imageName string) (v1.Image, v1.Hash, name.Digest, error) {
	image, err := imageFrom(ctx, imageName)
	if err != nil {
		return nil, v1.Hash{}, name.Digest{}, err
	}

	digest, err := image.Digest()
	if err != nil {
		return nil, v1.Hash{}, name.Digest{}, err
	}

	// the name of the image to sign referenced by the digest
	digestImage, err := name.NewDigest(fmt.Sprintf("%s@%s", imageName, digest.String()))
	if err != nil {
		return nil, v1.Hash{}, name.Digest{}, err
	}

	return image, digest, digestImage, nil
}

// getDigestRefForImage returns the digest reference for an image in the stub registry
func getDigestRefForImage(ctx context.Context, imageName string, digest v1.Hash) (name.Digest, error) {