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quay/data/registry_model/interface.py

133 lines
5 KiB
Python

from abc import ABCMeta, abstractmethod
from six import add_metaclass
@add_metaclass(ABCMeta)
class RegistryDataInterface(object):
""" Interface for code to work with the registry data model. The registry data model consists
of all tables that store registry-specific information, such as Manifests, Blobs, Images,
and Labels.
"""
@abstractmethod
def find_matching_tag(self, repository_ref, tag_names):
""" Finds an alive tag in the repository matching one of the given tag names and returns it
or None if none.
"""
@abstractmethod
def get_most_recent_tag(self, repository_ref):
""" Returns the most recently pushed alive tag in the repository, if any. If none, returns
None.
"""
@abstractmethod
def lookup_repository(self, namespace_name, repo_name, kind_filter=None):
""" Looks up and returns a reference to the repository with the given namespace and name,
or None if none. """
@abstractmethod
def get_manifest_for_tag(self, tag):
""" Returns the manifest associated with the given tag. """
@abstractmethod
def lookup_manifest_by_digest(self, repository_ref, manifest_digest, allow_dead=False):
""" Looks up the manifest with the given digest under the given repository and returns it
or None if none. """
@abstractmethod
def get_legacy_images(self, repository_ref):
"""
Returns an iterator of all the LegacyImage's defined in the matching repository.
"""
@abstractmethod
def get_legacy_image(self, repository_ref, docker_image_id, include_parents=False):
"""
Returns the matching LegacyImages under the matching repository, if any. If none,
returns None.
"""
@abstractmethod
def create_manifest_label(self, manifest, key, value, source_type_name, media_type_name=None):
""" Creates a label on the manifest with the given key and value.
Can raise InvalidLabelKeyException or InvalidMediaTypeException depending
on the validation errors.
"""
@abstractmethod
def list_manifest_labels(self, manifest, key_prefix=None):
""" Returns all labels found on the manifest. If specified, the key_prefix will filter the
labels returned to those keys that start with the given prefix.
"""
@abstractmethod
def get_manifest_label(self, manifest, label_uuid):
""" Returns the label with the specified UUID on the manifest or None if none. """
@abstractmethod
def delete_manifest_label(self, manifest, label_uuid):
""" Delete the label with the specified UUID on the manifest. Returns the label deleted
or None if none.
"""
@abstractmethod
def list_repository_tags(self, repository_ref, include_legacy_images=False):
"""
Returns a list of all the active tags in the repository. Note that this can be a *heavy*
operation on repositories with a lot of tags, and should be avoided for more targetted
operations wherever possible.
"""
@abstractmethod
def list_repository_tag_history(self, repository_ref, page=1, size=100, specific_tag_name=None):
"""
Returns the history of all tags in the repository (unless filtered). This includes tags that
have been made in-active due to newer versions of those tags coming into service.
"""
@abstractmethod
def get_repo_tag(self, repository_ref, tag_name, include_legacy_image=False):
"""
Returns the latest, *active* tag found in the repository, with the matching name
or None if none.
"""
@abstractmethod
def retarget_tag(self, repository_ref, tag_name, manifest_or_legacy_image,
is_reversion=False):
"""
Creates, updates or moves a tag to a new entry in history, pointing to the manifest or
legacy image specified. If is_reversion is set to True, this operation is considered a
reversion over a previous tag move operation. Returns the updated Tag or None on error.
"""
@abstractmethod
def delete_tag(self, repository_ref, tag_name):
"""
Deletes the latest, *active* tag with the given name in the repository.
"""
@abstractmethod
def change_repository_tag_expiration(self, tag, expiration_date):
""" Sets the expiration date of the tag under the matching repository to that given. If the
expiration date is None, then the tag will not expire. Returns a tuple of the previous
expiration timestamp in seconds (if any), and whether the operation succeeded.
"""
@abstractmethod
def get_legacy_images_owned_by_tag(self, tag):
""" Returns all legacy images *solely owned and used* by the given tag. """
@abstractmethod
def get_security_status(self, manifest_or_legacy_image):
""" Returns the security status for the given manifest or legacy image or None if none. """
@abstractmethod
def backfill_manifest_for_tag(self, tag):
""" Backfills a manifest for the V1 tag specified.
If a manifest already exists for the tag, returns that manifest.
NOTE: This method will only be necessary until we've completed the backfill, at which point
it should be removed.
"""