code: func ParseImageName(image string) (string, string) {
  	repoToPull, tag := parsers.ParseRepositoryTag(image)
  	// If no tag was specified, use the default "latest".
  	if len(tag) == 0 {
  		tag = defaultImageTag
  	}
  	return repoToPull, tag
  }
docs: // parseImageName parses a docker image string into two parts: repo and tag.
  // If tag is empty, return the defaultImageTag.