def export_docker_images(
project: Project,
destination: str,
commit: Optional[str],
extra_docker_images: Iterable[str] = (),
) -> None:
commit = expand_commit_id(project.directory, commit=(commit or 'HEAD'))
docker_images = {
step.image
for step in project.get_config(commit).steps.values()
}
docker_images |= set(extra_docker_images)
for i, image in enumerate(docker_images, 1):
output_path = os.path.join(destination,
sanitize_filename(f'docker-{image}.tar'))
if image not in extra_docker_images:
print_parcel_progress('::: Pulling image {}/{} ({})'.format(
i,
len(docker_images),
image,
))
subprocess.check_call(['docker', 'pull', image])
print_parcel_progress(
f'::: Exporting image {i}/{len(docker_images)} ({image})')
export_docker_image(image, output_path)
def get_current_config(project: Project) -> Optional[Config]:
try:
return project.get_config()
except FileNotFoundError:
return None
def get_current_config(project: Project, yaml_file: Optional[str] = None) -> Optional[Config]:
try:
return project.get_config(yaml_path=yaml_file)
except FileNotFoundError:
return None