8e643ce5d9
* endpoint/api/repository: limit the number of tags returned - Limit the number of tags returned by /api/v1/repository/<ns:repo> to 500. - Uses the tag history endpoint instead, with an active tag filte. - Update UI to use tag history endpoint instead.
296 lines
10 KiB
Python
296 lines
10 KiB
Python
""" Manage the tags of a repository. """
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from datetime import datetime
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from flask import request, abort
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from auth.auth_context import get_authenticated_user
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from data.registry_model import registry_model
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from endpoints.api import (resource, nickname, require_repo_read, require_repo_write,
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RepositoryParamResource, log_action, validate_json_request, path_param,
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parse_args, query_param, truthy_bool, disallow_for_app_repositories,
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format_date)
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from endpoints.api.image import image_dict
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from endpoints.exception import NotFound, InvalidRequest
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from util.names import TAG_ERROR, TAG_REGEX
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def _tag_dict(tag):
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tag_info = {
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'name': tag.name,
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'reversion': tag.reversion,
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}
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if tag.lifetime_start_ts > 0:
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tag_info['start_ts'] = tag.lifetime_start_ts
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if tag.lifetime_end_ts > 0:
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tag_info['end_ts'] = tag.lifetime_end_ts
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if tag.manifest_digest:
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tag_info['manifest_digest'] = tag.manifest_digest
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if tag.legacy_image:
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tag_info['docker_image_id'] = tag.legacy_image.docker_image_id
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tag_info['image_id'] = tag.legacy_image.docker_image_id
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tag_info['size'] = tag.legacy_image.aggregate_size
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if tag.lifetime_start_ts > 0:
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last_modified = format_date(datetime.fromtimestamp(tag.lifetime_start_ts))
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tag_info['last_modified'] = last_modified
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if tag.lifetime_end_ts is not None:
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expiration = format_date(datetime.fromtimestamp(tag.lifetime_end_ts))
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tag_info['expiration'] = expiration
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return tag_info
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@resource('/v1/repository/<apirepopath:repository>/tag/')
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@path_param('repository', 'The full path of the repository. e.g. namespace/name')
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class ListRepositoryTags(RepositoryParamResource):
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""" Resource for listing full repository tag history, alive *and dead*. """
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@require_repo_read
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@disallow_for_app_repositories
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@parse_args()
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@query_param('specificTag', 'Filters the tags to the specific tag.', type=str, default='')
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@query_param('limit', 'Limit to the number of results to return per page. Max 100.', type=int,
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default=50)
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@query_param('page', 'Page index for the results. Default 1.', type=int, default=1)
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@query_param('onlyActiveTags', 'Filter to only active tags.', type=truthy_bool, default=False)
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@nickname('listRepoTags')
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def get(self, namespace, repository, parsed_args):
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specific_tag = parsed_args.get('specificTag') or None
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page = max(1, parsed_args.get('page', 1))
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limit = min(100, max(1, parsed_args.get('limit', 50)))
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active_tags_only = parsed_args.get('onlyActiveTags')
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repo_ref = registry_model.lookup_repository(namespace, repository)
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if repo_ref is None:
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raise NotFound()
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history, has_more = registry_model.list_repository_tag_history(repo_ref, page=page,
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size=limit,
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specific_tag_name=specific_tag,
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active_tags_only=active_tags_only)
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return {
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'tags': [_tag_dict(tag) for tag in history],
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'page': page,
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'has_additional': has_more,
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}
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@resource('/v1/repository/<apirepopath:repository>/tag/<tag>')
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@path_param('repository', 'The full path of the repository. e.g. namespace/name')
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@path_param('tag', 'The name of the tag')
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class RepositoryTag(RepositoryParamResource):
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""" Resource for managing repository tags. """
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schemas = {
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'ChangeTag': {
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'type': 'object',
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'description': 'Makes changes to a specific tag',
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'properties': {
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'image': {
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'type': ['string', 'null'],
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'description': '(If specified) Image identifier to which the tag should point',
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},
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'expiration': {
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'type': ['number', 'null'],
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'description': '(If specified) The expiration for the image',
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},
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},
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},
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}
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@require_repo_write
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@disallow_for_app_repositories
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@nickname('changeTag')
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@validate_json_request('ChangeTag')
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def put(self, namespace, repository, tag):
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""" Change which image a tag points to or create a new tag."""
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if not TAG_REGEX.match(tag):
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abort(400, TAG_ERROR)
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repo_ref = registry_model.lookup_repository(namespace, repository)
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if repo_ref is None:
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raise NotFound()
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if 'expiration' in request.get_json():
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tag_ref = registry_model.get_repo_tag(repo_ref, tag)
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if tag_ref is None:
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raise NotFound()
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expiration = request.get_json().get('expiration')
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expiration_date = None
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if expiration is not None:
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try:
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expiration_date = datetime.utcfromtimestamp(float(expiration))
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except ValueError:
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abort(400)
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if expiration_date <= datetime.now():
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abort(400)
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existing_end_ts, ok = registry_model.change_repository_tag_expiration(tag_ref,
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expiration_date)
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if ok:
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if not (existing_end_ts is None and expiration_date is None):
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log_action('change_tag_expiration', namespace, {
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'username': get_authenticated_user().username,
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'repo': repository,
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'tag': tag,
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'namespace': namespace,
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'expiration_date': expiration_date,
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'old_expiration_date': existing_end_ts
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}, repo_name=repository)
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else:
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raise InvalidRequest('Could not update tag expiration; Tag has probably changed')
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if 'image' in request.get_json():
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existing_tag = registry_model.get_repo_tag(repo_ref, tag, include_legacy_image=True)
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image_id = request.get_json()['image']
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image = registry_model.get_legacy_image(repo_ref, image_id)
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if image is None:
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raise NotFound()
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if not registry_model.retarget_tag(repo_ref, tag, image):
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raise InvalidRequest('Could not move tag')
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username = get_authenticated_user().username
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log_action('move_tag' if existing_tag else 'create_tag', namespace, {
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'username': username,
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'repo': repository,
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'tag': tag,
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'namespace': namespace,
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'image': image_id,
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'original_image': existing_tag.legacy_image.docker_image_id if existing_tag else None,
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}, repo_name=repository)
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return 'Updated', 201
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@require_repo_write
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@disallow_for_app_repositories
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@nickname('deleteFullTag')
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def delete(self, namespace, repository, tag):
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""" Delete the specified repository tag. """
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repo_ref = registry_model.lookup_repository(namespace, repository)
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if repo_ref is None:
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raise NotFound()
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registry_model.delete_tag(repo_ref, tag)
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username = get_authenticated_user().username
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log_action('delete_tag', namespace,
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{'username': username,
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'repo': repository,
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'namespace': namespace,
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'tag': tag}, repo_name=repository)
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return '', 204
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@resource('/v1/repository/<apirepopath:repository>/tag/<tag>/images')
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@path_param('repository', 'The full path of the repository. e.g. namespace/name')
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@path_param('tag', 'The name of the tag')
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class RepositoryTagImages(RepositoryParamResource):
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""" Resource for listing the images in a specific repository tag. """
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@require_repo_read
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@nickname('listTagImages')
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@disallow_for_app_repositories
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@parse_args()
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@query_param('owned', 'If specified, only images wholely owned by this tag are returned.',
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type=truthy_bool, default=False)
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def get(self, namespace, repository, tag, parsed_args):
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""" List the images for the specified repository tag. """
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repo_ref = registry_model.lookup_repository(namespace, repository)
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if repo_ref is None:
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raise NotFound()
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tag_ref = registry_model.get_repo_tag(repo_ref, tag, include_legacy_image=True)
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if tag_ref is None:
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raise NotFound()
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image_id = tag_ref.legacy_image.docker_image_id
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all_images = None
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if parsed_args['owned']:
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all_images = registry_model.get_legacy_images_owned_by_tag(tag_ref)
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else:
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image_with_parents = registry_model.get_legacy_image(repo_ref, image_id, include_parents=True)
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if image_with_parents is None:
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raise NotFound()
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all_images = [image_with_parents] + image_with_parents.parents
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return {
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'images': [image_dict(image) for image in all_images],
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}
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@resource('/v1/repository/<apirepopath:repository>/tag/<tag>/restore')
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@path_param('repository', 'The full path of the repository. e.g. namespace/name')
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@path_param('tag', 'The name of the tag')
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class RestoreTag(RepositoryParamResource):
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""" Resource for restoring a repository tag back to a previous image. """
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schemas = {
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'RestoreTag': {
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'type': 'object',
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'description': 'Restores a tag to a specific image',
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'required': ['image',],
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'properties': {
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'image': {
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'type': 'string',
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'description': 'Image identifier to which the tag should point',
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},
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'manifest_digest': {
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'type': 'string',
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'description': 'If specified, the manifest digest that should be used',
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},
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},
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},
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}
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@require_repo_write
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@disallow_for_app_repositories
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@nickname('restoreTag')
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@validate_json_request('RestoreTag')
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def post(self, namespace, repository, tag):
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""" Restores a repository tag back to a previous image in the repository. """
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repo_ref = registry_model.lookup_repository(namespace, repository)
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if repo_ref is None:
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raise NotFound()
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# Restore the tag back to the previous image.
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image_id = request.get_json()['image']
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manifest_digest = request.get_json().get('manifest_digest', None)
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# Data for logging the reversion/restoration.
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username = get_authenticated_user().username
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log_data = {
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'username': username,
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'repo': repository,
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'tag': tag,
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'image': image_id,
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}
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manifest_or_legacy_image = None
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if manifest_digest is not None:
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manifest_or_legacy_image = registry_model.lookup_manifest_by_digest(repo_ref, manifest_digest,
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allow_dead=True)
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else:
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manifest_or_legacy_image = registry_model.get_legacy_image(repo_ref, image_id)
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if manifest_or_legacy_image is None:
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raise NotFound()
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if not registry_model.retarget_tag(repo_ref, tag, manifest_or_legacy_image, is_reversion=True):
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raise InvalidRequest('Could not restore tag')
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log_action('revert_tag', namespace, log_data, repo_name=repository)
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return {
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'image_id': image_id,
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}
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