8146646761
Only verbs needs to load placements for multiple images, so we can vastly simplify and optimize most queries by making it two-step, and having the rest of the image loads not worry about placements
178 lines
7.3 KiB
Python
178 lines
7.3 KiB
Python
from app import app, storage as store
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from data import model
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from endpoints.v1.models_interface import DockerRegistryV1DataInterface, Repository
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from util.morecollections import AttrDict
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class PreOCIModel(DockerRegistryV1DataInterface):
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"""
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PreOCIModel implements the data model for the v1 Docker Registry protocol using a database schema
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before it was changed to support the OCI specification.
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"""
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def placement_locations_and_path_docker_v1(self, namespace_name, repo_name, image_id):
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image, placements = model.image.get_image_and_placements(namespace_name, repo_name, image_id)
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if image is None:
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return None, None
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locations = {placement.location.name for placement in placements}
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return locations, model.storage.get_layer_path(image.storage)
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def docker_v1_metadata(self, namespace_name, repo_name, image_id):
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repo_image = model.image.get_repo_image(namespace_name, repo_name, image_id)
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if repo_image is None:
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return None
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return AttrDict({
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'namespace_name': namespace_name,
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'repo_name': repo_name,
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'image_id': image_id,
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'checksum': repo_image.v1_checksum,
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'compat_json': repo_image.v1_json_metadata,})
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def update_docker_v1_metadata(self, namespace_name, repo_name, image_id, created_date_str,
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comment, command, compat_json, parent_image_id=None):
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parent_image = None
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if parent_image_id is not None:
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parent_image = model.image.get_repo_image(namespace_name, repo_name, parent_image_id)
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model.image.set_image_metadata(image_id, namespace_name, repo_name, created_date_str, comment,
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command, compat_json, parent=parent_image)
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def storage_exists(self, namespace_name, repo_name, image_id):
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repo_image = model.image.get_repo_image_and_storage(namespace_name, repo_name, image_id)
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if repo_image is None or repo_image.storage is None:
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return False
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if repo_image.storage.uploading:
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return False
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layer_path = model.storage.get_layer_path(repo_image.storage)
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return store.exists(repo_image.storage.locations, layer_path)
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def store_docker_v1_checksums(self, namespace_name, repo_name, image_id, checksum,
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content_checksum):
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repo_image = model.image.get_repo_image_and_storage(namespace_name, repo_name, image_id)
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if repo_image is None or repo_image.storage is None:
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return
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with model.db_transaction():
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repo_image.storage.content_checksum = content_checksum
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repo_image.v1_checksum = checksum
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repo_image.storage.save()
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repo_image.save()
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def is_image_uploading(self, namespace_name, repo_name, image_id):
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repo_image = model.image.get_repo_image_and_storage(namespace_name, repo_name, image_id)
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if repo_image is None or repo_image.storage is None:
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return False
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return repo_image.storage.uploading
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def update_image_uploading(self, namespace_name, repo_name, image_id, is_uploading):
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repo_image = model.image.get_repo_image_and_storage(namespace_name, repo_name, image_id)
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if repo_image is None or repo_image.storage is None:
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return
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repo_image.storage.uploading = is_uploading
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repo_image.storage.save()
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return repo_image.storage
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def update_image_sizes(self, namespace_name, repo_name, image_id, size, uncompressed_size):
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model.storage.set_image_storage_metadata(image_id, namespace_name, repo_name, size,
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uncompressed_size)
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def get_image_size(self, namespace_name, repo_name, image_id):
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repo_image = model.image.get_repo_image_and_storage(namespace_name, repo_name, image_id)
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if repo_image is None or repo_image.storage is None:
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return None
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return repo_image.storage.image_size
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def create_bittorrent_pieces(self, namespace_name, repo_name, image_id, pieces_bytes):
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repo_image = model.image.get_repo_image_and_storage(namespace_name, repo_name, image_id)
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if repo_image is None or repo_image.storage is None:
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return
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model.storage.save_torrent_info(repo_image.storage, app.config['BITTORRENT_PIECE_SIZE'],
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pieces_bytes)
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def image_ancestry(self, namespace_name, repo_name, image_id):
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try:
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image = model.image.get_image_by_id(namespace_name, repo_name, image_id)
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except model.InvalidImageException:
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return None
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parents = model.image.get_parent_images(namespace_name, repo_name, image)
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ancestry_docker_ids = [image.docker_image_id]
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ancestry_docker_ids.extend([parent.docker_image_id for parent in parents])
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return ancestry_docker_ids
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def repository_exists(self, namespace_name, repo_name):
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repo = model.repository.get_repository(namespace_name, repo_name)
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return repo is not None
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def create_or_link_image(self, username, namespace_name, repo_name, image_id, storage_location):
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repo = model.repository.get_repository(namespace_name, repo_name)
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model.image.find_create_or_link_image(image_id, repo, username, {}, storage_location)
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def create_temp_hidden_tag(self, namespace_name, repo_name, image_id, expiration):
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repo_image = model.image.get_repo_image(namespace_name, repo_name, image_id)
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if repo_image is None:
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return
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repo = repo_image.repository
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model.tag.create_temporary_hidden_tag(repo, repo_image, expiration)
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def list_tags(self, namespace_name, repo_name):
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return model.tag.list_repository_tags(namespace_name, repo_name)
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def create_or_update_tag(self, namespace_name, repo_name, image_id, tag_name):
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model.tag.create_or_update_tag(namespace_name, repo_name, tag_name, image_id)
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def find_image_id_by_tag(self, namespace_name, repo_name, tag_name):
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try:
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tag_image = model.tag.get_tag_image(namespace_name, repo_name, tag_name)
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except model.DataModelException:
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return None
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return tag_image.docker_image_id
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def delete_tag(self, namespace_name, repo_name, tag_name):
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model.tag.delete_tag(namespace_name, repo_name, tag_name)
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def change_user_password(self, user, new_password):
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model.user.change_password(user, new_password)
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def get_repository(self, namespace_name, repo_name):
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repo = model.repository.get_repository(namespace_name, repo_name)
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if repo is None:
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return None
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return _repository_for_repo(repo)
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def create_repository(self, namespace_name, repo_name, user=None):
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model.repository.create_repository(namespace_name, repo_name, user)
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def repository_is_public(self, namespace_name, repo_name):
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return model.repository.repository_is_public(namespace_name, repo_name)
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def validate_oauth_token(self, token):
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return bool(model.oauth.validate_access_token(token))
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def get_sorted_matching_repositories(self, search_term, filter_username=None, offset=0,
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limit=25):
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repos = model.repository.get_filtered_matching_repositories(
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search_term, filter_username=filter_username, offset=offset, limit=limit)
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return [_repository_for_repo(repo) for repo in repos]
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def _repository_for_repo(repo):
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""" Returns a Repository object representing the Pre-OCI data model instance of a repository. """
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return Repository(
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id=repo.id,
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name=repo.name,
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namespace_name=repo.namespace_user.username,
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description=repo.description,
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is_public=model.repository.is_repository_public(repo),
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kind=model.repository.get_repo_kind_name(repo),)
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pre_oci_model = PreOCIModel()
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