Convert V2's catalog endpoint to use the new data model interface
This commit is contained in:
Joseph Schorr
parent
e91ba98e1b
commit
3a8a913ad3
4 changed files with 17 additions and 641 deletions
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@ -1,15 +1,20 @@
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import features
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from collections import namedtuple
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from flask import jsonify
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import features
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from app import model_cache
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from auth.auth_context import get_authenticated_user, get_authenticated_context
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from auth.registry_jwt_auth import process_registry_jwt_auth
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from data import model
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from data.cache import cache_key
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from endpoints.decorators import anon_protect
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from endpoints.v2 import v2_bp, paginate
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from endpoints.v2.models_interface import Repository
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from endpoints.v2.models_pre_oci import data_model as model
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class Repository(namedtuple('Repository', ['id', 'namespace_name', 'name'])):
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pass
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@v2_bp.route('/_catalog', methods=['GET'])
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@ -26,8 +31,15 @@ def catalog_search(start_id, limit, pagination_callback):
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if username and not get_authenticated_user().enabled:
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return []
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repos = model.get_visible_repositories(username, start_id, limit, include_public=include_public)
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return [repo._asdict() for repo in repos]
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query = model.repository.get_visible_repositories(username,
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kind_filter='image',
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include_public=include_public,
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start_id=start_id,
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limit=limit + 1)
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# NOTE: The repository ID is in `rid` (not `id`) here, as per the requirements of
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# the `get_visible_repositories` call.
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return [Repository(repo.rid, repo.namespace_user.username, repo.name)._asdict()
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for repo in query]
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context_key = get_authenticated_context().unique_key if get_authenticated_context() else None
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catalog_cache_key = cache_key.for_catalog_page(context_key, start_id, limit)
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@ -1,288 +0,0 @@
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from abc import ABCMeta, abstractmethod
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from collections import namedtuple
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from namedlist import namedlist
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from six import add_metaclass
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class Repository(
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namedtuple('Repository', [
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'id', 'name', 'namespace_name', 'description', 'is_public', 'kind', 'trust_enabled'])):
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"""
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Repository represents a namespaced collection of tags.
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:type id: int
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:type name: string
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:type namespace_name: string
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:type description: string
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:type is_public: bool
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:type kind: string
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:type trust_enabled: bool
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"""
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class ManifestJSON(namedtuple('ManifestJSON', ['digest', 'json', 'media_type'])):
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"""
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ManifestJSON represents a Manifest of any format.
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"""
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class Tag(namedtuple('Tag', ['id', 'name', 'repository'])):
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"""
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Tag represents a user-facing alias for referencing a set of Manifests.
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"""
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class BlobUpload(
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namedlist('BlobUpload', [
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'uuid', 'byte_count', 'uncompressed_byte_count', 'chunk_count', 'sha_state', 'location_name',
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'storage_metadata', 'piece_sha_state', 'piece_hashes', 'repo_namespace_name', 'repo_name'])):
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"""
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BlobUpload represents the current state of an Blob being uploaded.
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"""
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class Blob(namedtuple('Blob', ['id', 'uuid', 'digest', 'size', 'locations', 'cas_path'])):
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"""
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Blob represents an opaque binary blob saved to the storage system.
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"""
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class RepositoryReference(namedtuple('RepositoryReference', ['id', 'name', 'namespace_name'])):
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"""
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RepositoryReference represents a reference to a Repository, without its full metadata.
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"""
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class Label(namedtuple('Label', ['key', 'value', 'source_type', 'media_type'])):
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"""
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Label represents a key-value pair that describes a particular Manifest.
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"""
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@add_metaclass(ABCMeta)
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class DockerRegistryV2DataInterface(object):
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"""
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Interface that represents all data store interactions required by a Docker Registry v1.
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"""
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@abstractmethod
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def create_repository(self, namespace_name, repo_name, creating_user=None):
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"""
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Creates a new repository under the specified namespace with the given name. The user supplied is
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the user creating the repository, if any.
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"""
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pass
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@abstractmethod
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def get_repository(self, namespace_name, repo_name):
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"""
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Returns a repository tuple for the repository with the given name under the given namespace.
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Returns None if no such repository was found.
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"""
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pass
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@abstractmethod
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def has_active_tag(self, namespace_name, repo_name, tag_name):
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"""
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Returns whether there is an active tag for the tag with the given name under the matching
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repository, if any, or none if none.
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"""
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pass
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@abstractmethod
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def get_manifest_by_tag(self, namespace_name, repo_name, tag_name):
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"""
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Returns the current manifest for the tag with the given name under the matching repository, if
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any, or None if none.
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"""
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pass
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@abstractmethod
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def get_manifest_by_digest(self, namespace_name, repo_name, digest):
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"""
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Returns the manifest matching the given digest under the matching repository, if any, or None if
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none.
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"""
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pass
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@abstractmethod
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def delete_manifest_by_digest(self, namespace_name, repo_name, digest):
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"""
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Deletes the manifest with the associated digest (if any) and returns all removed tags that
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pointed to that manifest. If the manifest was not found, returns an empty list.
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"""
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pass
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@abstractmethod
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def get_docker_v1_metadata_by_tag(self, namespace_name, repo_name, tag_name):
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"""
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Returns the Docker V1 metadata associated with the tag with the given name under the matching
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repository, if any. If none, returns None.
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"""
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pass
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@abstractmethod
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def get_docker_v1_metadata_by_image_id(self, repository, docker_image_ids):
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"""
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Returns a map of Docker V1 metadata for each given image ID, matched under the repository with
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the given namespace and name. Returns an empty map if the matching repository was not found.
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"""
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pass
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@abstractmethod
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def get_parents_docker_v1_metadata(self, namespace_name, repo_name, docker_image_id):
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"""
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Returns an ordered list containing the Docker V1 metadata for each parent of the image with the
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given docker ID under the matching repository. Returns an empty list if the image was not found.
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"""
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pass
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@abstractmethod
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def create_manifest_and_update_tag(self, namespace_name, repo_name, tag_name, manifest):
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"""
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Creates a new manifest and assigns the tag with the given name under the matching repository to
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it.
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"""
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pass
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@abstractmethod
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def synthesize_v1_image(self, repository, storage, image_id, created, comment, command,
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compat_json, parent_image_id):
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"""
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Synthesizes a V1 image under the specified repository, pointing to the given storage and returns
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the V1 metadata for the synthesized image.
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"""
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pass
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@abstractmethod
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def save_manifest(self, repository, tag_name, manifest, blob_map):
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"""
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Saves a manifest, under the matching repository as a tag with the given name.
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Returns a boolean whether or not the tag was newly created or not.
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"""
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pass
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@abstractmethod
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def repository_tags(self, namespace_name, repo_name, start_id, limit):
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"""
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Returns the active tags under the repository with the given name and namespace.
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"""
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pass
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@abstractmethod
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def get_visible_repositories(self, username, start_id, limit):
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"""
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Returns the repositories visible to the user with the given username, if any.
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"""
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pass
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@abstractmethod
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def create_blob_upload(self, namespace_name, repo_name, upload_uuid, location_name,
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storage_metadata):
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"""
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Creates a blob upload under the matching repository with the given UUID and metadata.
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Returns whether the matching repository exists.
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"""
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pass
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@abstractmethod
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def blob_upload_by_uuid(self, namespace_name, repo_name, upload_uuid):
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"""
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Searches for a blob upload with the given UUID under the given repository and returns it or None
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if none.
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"""
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pass
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@abstractmethod
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def update_blob_upload(self, blob_upload):
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"""
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Saves any changes to the blob upload object given to the backing data store.
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Fields that can change:
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- uncompressed_byte_count
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- piece_hashes
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- piece_sha_state
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- storage_metadata
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- byte_count
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- chunk_count
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- sha_state
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"""
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pass
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@abstractmethod
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def delete_blob_upload(self, namespace_name, repo_name, uuid):
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"""
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Deletes the blob upload with the given uuid under the matching repository. If none, does
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nothing.
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"""
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pass
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@abstractmethod
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def mount_blob_and_temp_tag(self, namespace_name, repo_name, existing_blob, expiration_sec):
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"""
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Mounts an existing blob and links a temporary tag with the specified expiration to it under
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the matching repository. Returns True on success and False on failure.
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"""
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pass
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@abstractmethod
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def create_blob_and_temp_tag(self, namespace_name, repo_name, blob_digest, blob_upload,
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expiration_sec):
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"""
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Creates a blob and links a temporary tag with the specified expiration to it under the matching
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repository.
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"""
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pass
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@abstractmethod
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def get_blob_by_digest(self, namespace_name, repo_name, digest):
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"""
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Returns the blob with the given digest under the matching repository or None if none.
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"""
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pass
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@abstractmethod
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def save_bittorrent_pieces(self, blob, piece_size, piece_bytes):
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"""
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Saves the BitTorrent piece hashes for the given blob.
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"""
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pass
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@abstractmethod
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def create_manifest_labels(self, namespace_name, repo_name, manifest_digest, labels):
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"""
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Creates a new labels for the provided manifest.
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"""
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pass
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@abstractmethod
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def get_blob_path(self, blob):
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"""
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Once everything is moved over, this could be in util.registry and not even touch the database.
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"""
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pass
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@abstractmethod
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def set_manifest_expires_after(self, namespace_name, repo_name, digest, expires_after_sec):
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"""
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Sets that the manifest with given digest expires after the number of seconds from *now*.
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"""
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pass
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@abstractmethod
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def lookup_blobs_by_digest(self, repository, digests):
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"""
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Looks up all blobs with the matching digests under the given repository.
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"""
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pass
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@abstractmethod
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def is_namespace_enabled(self, namespace_name):
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""" Returns whether the given namespace is enabled. If the namespace doesn't exist,
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returns True. """
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pass
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@abstractmethod
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def is_repository_public(self, namespace_name, repo_name):
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""" Returns True if the repository with the given name exists and is public. """
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pass
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@ -1,323 +0,0 @@
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from peewee import IntegrityError
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from data import model, database
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from data.model import DataModelException
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from endpoints.v2.models_interface import (
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Blob,
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BlobUpload,
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DockerRegistryV2DataInterface,
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ManifestJSON,
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Repository,
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RepositoryReference,
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Tag,)
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from image.docker.v1 import DockerV1Metadata
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from image.docker.interfaces import ManifestInterface
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from image.docker.schema1 import DOCKER_SCHEMA1_SIGNED_MANIFEST_CONTENT_TYPE
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_MEDIA_TYPE = DOCKER_SCHEMA1_SIGNED_MANIFEST_CONTENT_TYPE
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class PreOCIModel(DockerRegistryV2DataInterface):
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"""
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PreOCIModel implements the data model for the v2 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 create_repository(self, namespace_name, repo_name, creating_user=None):
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return model.repository.create_repository(namespace_name, repo_name, creating_user)
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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 has_active_tag(self, namespace_name, repo_name, tag_name):
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try:
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model.tag.get_active_tag(namespace_name, repo_name, tag_name)
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return True
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except database.RepositoryTag.DoesNotExist:
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return False
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def has_tag(self, namespace_name, repo_name, tag_name):
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try:
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model.tag.get_possibly_expired_tag(namespace_name, repo_name, tag_name)
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return True
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except database.RepositoryTag.DoesNotExist:
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return False
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def get_manifest_by_tag(self, namespace_name, repo_name, tag_name):
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try:
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manifest = model.tag.load_tag_manifest(namespace_name, repo_name, tag_name)
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return ManifestJSON(digest=manifest.digest, json=manifest.json_data, media_type=_MEDIA_TYPE)
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except model.InvalidManifestException:
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return None
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def get_manifest_by_digest(self, namespace_name, repo_name, digest):
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try:
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manifest = model.tag.load_manifest_by_digest(namespace_name, repo_name, digest)
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return ManifestJSON(digest=digest, json=manifest.json_data, media_type=_MEDIA_TYPE)
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except model.InvalidManifestException:
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return None
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def delete_manifest_by_digest(self, namespace_name, repo_name, digest):
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def _tag_view(tag):
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return Tag(id=tag.id, name=tag.name, repository=RepositoryReference(
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id=tag.repository_id,
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name=repo_name,
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namespace_name=namespace_name,))
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tags = model.tag.delete_manifest_by_digest(namespace_name, repo_name, digest)
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return [_tag_view(tag) for tag in tags]
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def get_docker_v1_metadata_by_tag(self, namespace_name, repo_name, tag_name):
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try:
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repo_img = model.tag.get_tag_image(namespace_name, repo_name, tag_name, include_storage=True)
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return _docker_v1_metadata(namespace_name, repo_name, repo_img)
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except DataModelException:
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return None
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def get_docker_v1_metadata_by_image_id(self, repository, docker_image_ids):
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images_query = model.image.lookup_repository_images(repository.id, docker_image_ids)
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return {
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image.docker_image_id: _docker_v1_metadata(repository.namespace_name, repository.name, image)
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for image in images_query
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}
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def get_parents_docker_v1_metadata(self, namespace_name, repo_name, docker_image_id):
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repo_image = model.image.get_repo_image(namespace_name, repo_name, docker_image_id)
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if repo_image is None:
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return []
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parents = model.image.get_parent_images(namespace_name, repo_name, repo_image)
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return [_docker_v1_metadata(namespace_name, repo_name, image) for image in parents]
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def create_manifest_and_update_tag(self, namespace_name, repo_name, tag_name, manifest):
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assert isinstance(manifest, ManifestInterface)
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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
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blob_map = self.lookup_blobs_by_digest(repo, manifest.checksums)
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storage_map = {blob.digest: blob.id for blob_digest, blob in blob_map.iteritems()}
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try:
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model.tag.associate_generated_tag_manifest(namespace_name, repo_name, tag_name, manifest,
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storage_map)
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except IntegrityError:
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# It's already there!
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pass
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def synthesize_v1_image(self, repository, storage, image_id, created, comment, command,
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compat_json, parent_image_id):
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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_image(repository.id, parent_image_id)
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if parent_image is None:
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raise DataModelException('Unknown parent image: %s' % parent_image_id)
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repo_image = model.image.synthesize_v1_image(repository.id, storage.id, storage.size,
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image_id, created, comment, command, compat_json,
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parent_image)
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return _docker_v1_metadata(repository.namespace_name, repository.name, repo_image)
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def save_manifest(self, repository, tag_name, manifest, leaf_layer_id, blob_map):
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assert isinstance(manifest, ManifestInterface)
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storage_map = {blob.digest: blob.id for blob_digest, blob in blob_map.iteritems()}
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(_, newly_created) = model.tag.store_tag_manifest_for_repo(repository.id, tag_name, manifest,
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leaf_layer_id, storage_map)
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return newly_created
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def repository_tags(self, namespace_name, repo_name, start_id, limit):
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def _tag_view(tag):
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return Tag(id=tag.id, name=tag.name, repository=RepositoryReference(
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id=tag.repository_id,
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name=repo_name,
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namespace_name=namespace_name,))
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tags_query = model.tag.list_repository_tags(namespace_name, repo_name)
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tags_query = (tags_query
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.order_by(database.RepositoryTag.id)
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.limit(limit + 1))
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if start_id is not None:
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tags_query = tags_query.where(database.RepositoryTag.id >= start_id)
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return [_tag_view(tag) for tag in tags_query]
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def get_visible_repositories(self, username, start_id, limit, include_public=None):
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if include_public is None:
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include_public = (username is None)
|
||||
|
||||
query = model.repository.get_visible_repositories(username,
|
||||
kind_filter='image',
|
||||
include_public=include_public,
|
||||
start_id=start_id,
|
||||
limit=limit + 1)
|
||||
return [_repository_for_repo(repo) for repo in query]
|
||||
|
||||
def create_blob_upload(self, namespace_name, repo_name, upload_uuid, location_name,
|
||||
storage_metadata):
|
||||
try:
|
||||
model.blob.initiate_upload(namespace_name, repo_name, upload_uuid, location_name,
|
||||
storage_metadata)
|
||||
return True
|
||||
except database.Repository.DoesNotExist:
|
||||
return False
|
||||
|
||||
def blob_upload_by_uuid(self, namespace_name, repo_name, upload_uuid):
|
||||
try:
|
||||
found = model.blob.get_blob_upload(namespace_name, repo_name, upload_uuid)
|
||||
except model.InvalidBlobUpload:
|
||||
return None
|
||||
|
||||
return BlobUpload(
|
||||
repo_namespace_name=namespace_name,
|
||||
repo_name=repo_name,
|
||||
uuid=upload_uuid,
|
||||
byte_count=found.byte_count,
|
||||
uncompressed_byte_count=found.uncompressed_byte_count,
|
||||
chunk_count=found.chunk_count,
|
||||
sha_state=found.sha_state,
|
||||
piece_sha_state=found.piece_sha_state,
|
||||
piece_hashes=found.piece_hashes,
|
||||
location_name=found.location.name,
|
||||
storage_metadata=found.storage_metadata,)
|
||||
|
||||
def update_blob_upload(self, blob_upload):
|
||||
# Lookup the blob upload object.
|
||||
try:
|
||||
blob_upload_record = model.blob.get_blob_upload(blob_upload.repo_namespace_name,
|
||||
blob_upload.repo_name, blob_upload.uuid)
|
||||
except model.InvalidBlobUpload:
|
||||
return
|
||||
|
||||
blob_upload_record.uncompressed_byte_count = blob_upload.uncompressed_byte_count
|
||||
blob_upload_record.piece_hashes = blob_upload.piece_hashes
|
||||
blob_upload_record.piece_sha_state = blob_upload.piece_sha_state
|
||||
blob_upload_record.storage_metadata = blob_upload.storage_metadata
|
||||
blob_upload_record.byte_count = blob_upload.byte_count
|
||||
blob_upload_record.chunk_count = blob_upload.chunk_count
|
||||
blob_upload_record.sha_state = blob_upload.sha_state
|
||||
blob_upload_record.save()
|
||||
|
||||
def delete_blob_upload(self, namespace_name, repo_name, uuid):
|
||||
try:
|
||||
found = model.blob.get_blob_upload(namespace_name, repo_name, uuid)
|
||||
found.delete_instance()
|
||||
except model.InvalidBlobUpload:
|
||||
return
|
||||
|
||||
def mount_blob_and_temp_tag(self, namespace_name, repo_name, existing_blob, expiration_sec):
|
||||
return model.blob.temp_link_blob(namespace_name, repo_name, existing_blob.digest,
|
||||
expiration_sec)
|
||||
|
||||
def create_blob_and_temp_tag(self, namespace_name, repo_name, blob_digest, blob_upload,
|
||||
expiration_sec):
|
||||
location_obj = model.storage.get_image_location_for_name(blob_upload.location_name)
|
||||
blob_record = model.blob.store_blob_record_and_temp_link(
|
||||
namespace_name, repo_name, blob_digest, location_obj.id, blob_upload.byte_count,
|
||||
expiration_sec, blob_upload.uncompressed_byte_count)
|
||||
return Blob(
|
||||
id=blob_record.id,
|
||||
uuid=blob_record.uuid,
|
||||
digest=blob_digest,
|
||||
size=blob_upload.byte_count,
|
||||
locations=[blob_upload.location_name],
|
||||
cas_path=blob_record.cas_path
|
||||
)
|
||||
|
||||
def lookup_blobs_by_digest(self, repository, digests):
|
||||
def _blob_view(blob_record):
|
||||
return Blob(
|
||||
id=blob_record.id,
|
||||
uuid=blob_record.uuid,
|
||||
digest=blob_record.content_checksum,
|
||||
size=blob_record.image_size,
|
||||
cas_path=blob_record.cas_path,
|
||||
locations=None, # Note: Locations is None in this case.
|
||||
)
|
||||
|
||||
query = model.storage.lookup_repo_storages_by_content_checksum(repository.id, digests)
|
||||
return {storage.content_checksum: _blob_view(storage) for storage in query}
|
||||
|
||||
def get_blob_by_digest(self, namespace_name, repo_name, digest):
|
||||
try:
|
||||
blob_record = model.blob.get_repo_blob_by_digest(namespace_name, repo_name, digest)
|
||||
return Blob(
|
||||
id=blob_record.id,
|
||||
uuid=blob_record.uuid,
|
||||
digest=digest,
|
||||
size=blob_record.image_size,
|
||||
locations=list(blob_record.locations),
|
||||
cas_path=blob_record.cas_path
|
||||
)
|
||||
except model.BlobDoesNotExist:
|
||||
return None
|
||||
|
||||
def save_bittorrent_pieces(self, blob, piece_size, piece_bytes):
|
||||
blob_record = model.storage.get_storage_by_uuid(blob.uuid)
|
||||
model.storage.save_torrent_info(blob_record, piece_size, piece_bytes)
|
||||
|
||||
def create_manifest_labels(self, namespace_name, repo_name, manifest_digest, labels):
|
||||
if not labels:
|
||||
# No point in doing anything more.
|
||||
return
|
||||
|
||||
tag_manifest = model.tag.load_manifest_by_digest(namespace_name, repo_name, manifest_digest)
|
||||
for label in labels:
|
||||
model.label.create_manifest_label(tag_manifest, label.key, label.value, label.source_type,
|
||||
label.media_type)
|
||||
|
||||
def get_blob_path(self, blob):
|
||||
return model.storage.get_layer_path_for_storage(blob.uuid, blob.cas_path, blob.digest)
|
||||
|
||||
def set_manifest_expires_after(self, namespace_name, repo_name, digest, expires_after_sec):
|
||||
try:
|
||||
manifest = model.tag.load_manifest_by_digest(namespace_name, repo_name, digest)
|
||||
manifest.tag.lifetime_end_ts = manifest.tag.lifetime_start_ts + expires_after_sec
|
||||
manifest.tag.save()
|
||||
except model.InvalidManifestException:
|
||||
return
|
||||
|
||||
def is_namespace_enabled(self, namespace_name):
|
||||
namespace = model.user.get_namespace_user(namespace_name)
|
||||
return namespace is None or namespace.enabled
|
||||
|
||||
def is_repository_public(self, namespace_name, repo_name):
|
||||
return model.repository.repository_is_public(namespace_name, repo_name)
|
||||
|
||||
|
||||
def _docker_v1_metadata(namespace_name, repo_name, repo_image):
|
||||
"""
|
||||
Returns a DockerV1Metadata object for the given Pre-OCI repo_image under the
|
||||
repository with the given namespace and name. Note that the namespace and
|
||||
name are passed here as an optimization, and are *not checked* against the
|
||||
image.
|
||||
"""
|
||||
return DockerV1Metadata(
|
||||
namespace_name=namespace_name,
|
||||
repo_name=repo_name,
|
||||
image_id=repo_image.docker_image_id,
|
||||
checksum=repo_image.v1_checksum,
|
||||
content_checksum=repo_image.storage.content_checksum,
|
||||
compat_json=repo_image.v1_json_metadata,
|
||||
created=repo_image.created,
|
||||
comment=repo_image.comment,
|
||||
command=repo_image.command,
|
||||
# TODO: make sure this isn't needed anywhere, as it is expensive to lookup
|
||||
parent_image_id=None,
|
||||
)
|
||||
|
||||
|
||||
def _repository_for_repo(repo):
|
||||
""" Returns a Repository object representing the Pre-OCI data model repo instance given. """
|
||||
return Repository(
|
||||
id=repo.id or repo.rid,
|
||||
name=repo.name,
|
||||
namespace_name=repo.namespace_user.username,
|
||||
description=repo.description,
|
||||
is_public=model.repository.is_repository_public(repo),
|
||||
kind=model.repository.get_repo_kind_name(repo),
|
||||
trust_enabled=repo.trust_enabled,)
|
||||
|
||||
|
||||
data_model = PreOCIModel()
|
||||
|
|
@ -1,25 +0,0 @@
|
|||
import hashlib
|
||||
|
||||
from playhouse.test_utils import assert_query_count
|
||||
|
||||
from data import model
|
||||
from data.database import ImageStorageLocation
|
||||
from endpoints.v2.models_pre_oci import data_model
|
||||
from test.fixtures import *
|
||||
|
||||
def test_get_blob_path(initialized_db):
|
||||
# Add a blob.
|
||||
digest = 'sha256:' + hashlib.sha256("a").hexdigest()
|
||||
location = ImageStorageLocation.get(name='local_us')
|
||||
db_blob = model.blob.store_blob_record_and_temp_link('devtable', 'simple', digest, location, 1,
|
||||
10000000)
|
||||
|
||||
with assert_query_count(1):
|
||||
blob = data_model.get_blob_by_digest('devtable', 'simple', digest)
|
||||
assert blob.uuid == db_blob.uuid
|
||||
|
||||
# The blob tuple should have everything get_blob_path needs, so there should be no queries.
|
||||
with assert_query_count(0):
|
||||
assert data_model.get_blob_path(blob)
|
||||
|
||||
assert data_model.get_blob_path(blob) == model.storage.get_layer_path(db_blob)
|
||||
Reference in a new issue