fc4b3642d3
this decouples the database models from the api [TESTING->locally with docker compose] Issue: https://coreosdev.atlassian.net/browse/QUAY-632 - [ ] It works! - [ ] Comments provide sufficient explanations for the next contributor - [ ] Tests cover changes and corner cases - [ ] Follows Quay syntax patterns and format
246 lines
8.5 KiB
Python
246 lines
8.5 KiB
Python
""" Manage the tags of a repository. """
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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.model import DataModelException
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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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from endpoints.api.image import image_view_pre_oci
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from endpoints.api.tag_models_interface import Repository
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from endpoints.api.tag_models_pre_oci import pre_oci_model as model
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from endpoints.exception import NotFound
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from endpoints.v2.manifest import _generate_and_store_manifest
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from util.names import TAG_ERROR, TAG_REGEX
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def tag_view(tag):
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tag_info = {
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'name': tag.name,
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'docker_image_id': tag.docker_image_id,
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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_list:
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tag_info['manifest_digest'] = tag.manifest_list
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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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@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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tag_history = model.list_repository_tag_history(namespace_name=namespace,
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repository_name=repository, page=page,
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size=limit, specific_tag=specific_tag)
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if not tag_history:
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raise NotFound()
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return {
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'tags': [tag_view(tag) for tag in tag_history.tags],
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'page': page,
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'has_additional': tag_history.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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'MoveTag': {
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'type': 'object',
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'description': 'Description of to which image a new or existing tag should point',
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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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},
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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('changeTagImage')
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@validate_json_request('MoveTag')
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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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image_id = request.get_json()['image']
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repo = model.get_repo(namespace, repository, image_id)
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if not repo:
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raise NotFound()
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original_image_id = model.get_repo_tag_image(repo, tag)
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model.create_or_update_tag(namespace, repository, tag, image_id)
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username = get_authenticated_user().username
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log_action('move_tag' if original_image_id 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': original_image_id
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}, repo=repo)
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_generate_and_store_manifest(namespace, repository, tag)
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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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model.delete_tag(namespace, repository, 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=Repository(namespace_name=namespace, repository_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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try:
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tag_image = model.get_repo_tag_image(Repository(namespace_name=namespace, repository_name=repository), tag)
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except DataModelException:
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raise NotFound()
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parent_images = model.get_parent_images(namespace, repository, tag_image.docker_image_id)
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image_map = {str(tag_image.docker_image_id): tag_image}
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for image in parent_images:
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image_map[str(image.docker_image_id)] = image
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image_map_all = dict(image_map)
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all_images = [tag_image] + list(parent_images)
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# Filter the images returned to those not found in the ancestry of any of the other tags in
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# the repository.
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if parsed_args['owned']:
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all_tags = model.list_repository_tags(namespace, repository)
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for current_tag in all_tags:
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if current_tag.name == tag:
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continue
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# Remove the tag's image ID.
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tag_image_id = str(current_tag.docker_image_id)
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image_map.pop(tag_image_id, None)
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# Remove any ancestors:
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for ancestor_id in current_tag.image.ancestors.split('/'):
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image_map.pop(ancestor_id, None)
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return {
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'images': [
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image_view_pre_oci(image, image_map_all) for image in all_images
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if not parsed_args['owned'] or (str(image.docker_image_id) in image_map)
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]
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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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# 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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repo = Repository(namespace, repository)
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if manifest_digest is not None:
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existing_image = model.restore_tag_to_manifest(repo, tag, manifest_digest)
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else:
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existing_image = model.restore_tag_to_image(repo, tag, image_id)
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_generate_and_store_manifest(namespace, repository, tag)
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if existing_image is not None:
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log_data['original_image'] = existing_image.docker_image_id
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log_action('revert_tag', namespace, log_data, repo=repo)
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return {
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'image_id': image_id,
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'original_image_id': existing_image.docker_image_id if existing_image else None,
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}
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