keystone/keystone/identity/mapping_backends/base.py

82 lines
2.7 KiB
Python

# Copyright 2012 OpenStack Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import abc
import six
from keystone import exception
@six.add_metaclass(abc.ABCMeta)
class MappingDriverBase(object):
"""Interface description for an ID Mapping driver."""
@abc.abstractmethod
def get_public_id(self, local_entity):
"""Return the public ID for the given local entity.
:param dict local_entity: Containing the entity domain, local ID and
type ('user' or 'group').
:returns: public ID, or None if no mapping is found.
"""
raise exception.NotImplemented() # pragma: no cover
@abc.abstractmethod
def get_id_mapping(self, public_id):
"""Return the local mapping.
:param public_id: The public ID for the mapping required.
:returns dict: Containing the entity domain, local ID and type. If no
mapping is found, it returns None.
"""
raise exception.NotImplemented() # pragma: no cover
@abc.abstractmethod
def create_id_mapping(self, local_entity, public_id=None):
"""Create and store a mapping to a public_id.
:param dict local_entity: Containing the entity domain, local ID and
type ('user' or 'group').
:param public_id: If specified, this will be the public ID. If this
is not specified, a public ID will be generated.
:returns: public ID
"""
raise exception.NotImplemented() # pragma: no cover
@abc.abstractmethod
def delete_id_mapping(self, public_id):
"""Delete an entry for the given public_id.
:param public_id: The public ID for the mapping to be deleted.
The method is silent if no mapping is found.
"""
raise exception.NotImplemented() # pragma: no cover
@abc.abstractmethod
def purge_mappings(self, purge_filter):
"""Purge selected identity mappings.
:param dict purge_filter: Containing the attributes of the filter that
defines which entries to purge. An empty
filter means purge all mappings.
"""
raise exception.NotImplemented() # pragma: no cover