def _ParseDockerImage(img_str, err_msg):
"""Validates and parses an image string into a DockerImage.
Args:
img_str: str, User input docker formatted string.
err_msg: str, Error message to return to user.
Raises:
ar_exceptions.InvalidInputValueError if user input is invalid.
ar_exceptions.UnsupportedLocationError if provided location is invalid.
Returns:
A DockerImage, and a DockerTag or a DockerVersion.
"""
try:
docker_repo = _ParseInput(img_str)
except ar_exceptions.InvalidInputValueError:
raise ar_exceptions.InvalidInputValueError(_INVALID_DOCKER_IMAGE_ERROR)
ar_util.ValidateLocation(docker_repo.location, docker_repo.project)
img_by_digest_match = re.match(DOCKER_IMG_BY_DIGEST_REGEX, img_str)
if img_by_digest_match:
docker_img = DockerImage(docker_repo, img_by_digest_match.group("img"))
return docker_img, DockerVersion(docker_img,
img_by_digest_match.group("digest"))
img_by_tag_match = re.match(DOCKER_IMG_BY_TAG_REGEX, img_str)
if img_by_tag_match:
docker_img = DockerImage(docker_repo, img_by_tag_match.group("img"))
return docker_img, DockerTag(docker_img, img_by_tag_match.group("tag"))
whole_img_match = re.match(DOCKER_IMG_REGEX, img_str)
if whole_img_match:
return DockerImage(docker_repo,
whole_img_match.group("img").strip("/")), None
raise ar_exceptions.InvalidInputValueError(err_msg)
def DeleteDockerTag(args):
"""Deletes a Docker tag."""
img, tag = _ParseDockerTag(args.DOCKER_TAG)
ar_util.ValidateLocation(img.docker_repo.location, img.docker_repo.project)
_ValidateDockerRepo(img.docker_repo.GetRepositoryName())
console_io.PromptContinue(
message="You are about to delete tag [{}]".format(tag.GetDockerString()),
cancel_on_no=True)
ar_requests.DeleteTag(ar_requests.GetClient(), ar_requests.GetMessages(),
tag.GetTagName())
log.status.Print("Deleted tag [{}].".format(tag.GetDockerString()))
def _GetDefaultResources():
"""Gets default config values for project, location, and repository."""
project = properties.VALUES.core.project.Get()
location = properties.VALUES.artifacts.location.Get()
ar_util.ValidateLocation(location, project)
repo = properties.VALUES.artifacts.repository.Get()
if not project or not location or not repo:
raise ar_exceptions.InvalidInputValueError(
_INVALID_DEFAULT_DOCKER_STRING_ERROR.format(**{
"project": project,
"location": location,
"repo": repo,
}))
return DockerRepo(project, location, repo)
def _ParseDockerImagePath(img_path):
"""Validates and parses an image path into a DockerImage or a DockerRepo."""
if not img_path:
return _GetDefaultResources()
resource_val_list = list(filter(None, img_path.split("/")))
try:
docker_repo = _ParseInput(img_path)
except ar_exceptions.InvalidInputValueError:
raise ar_exceptions.InvalidInputValueError(_INVALID_IMAGE_PATH_ERROR)
ar_util.ValidateLocation(docker_repo.location, docker_repo.project)
if len(resource_val_list) == 3:
return docker_repo
elif len(resource_val_list) > 3:
return DockerImage(docker_repo, "/".join(resource_val_list[3:]))
raise ar_exceptions.InvalidInputValueError(_INVALID_IMAGE_PATH_ERROR)
