keystone/keystone/credential/core.py
Dave Chen 5070039812 Using the right format to render the docstring correctly
There are several issues in the docstring, the format is not
correct, not using the full path of class etc.

This patch corrects all of them, so the docstring will be rendered
correctly.

Change-Id: I04d5818f38b5e75b6f6197ef5e13dcd64ed91bf4
2015-11-24 04:37:14 +00:00

149 lines
4.6 KiB
Python

# Copyright 2013 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.
"""Main entry point into the Credential service."""
import abc
from oslo_config import cfg
from oslo_log import log
import six
from keystone.common import dependency
from keystone.common import driver_hints
from keystone.common import manager
from keystone import exception
CONF = cfg.CONF
LOG = log.getLogger(__name__)
@dependency.provider('credential_api')
class Manager(manager.Manager):
"""Default pivot point for the Credential backend.
See :mod:`keystone.common.manager.Manager` for more details on how this
dynamically calls the backend.
"""
driver_namespace = 'keystone.credential'
def __init__(self):
super(Manager, self).__init__(CONF.credential.driver)
@manager.response_truncated
def list_credentials(self, hints=None):
return self.driver.list_credentials(hints or driver_hints.Hints())
@six.add_metaclass(abc.ABCMeta)
class CredentialDriverV8(object):
# credential crud
@abc.abstractmethod
def create_credential(self, credential_id, credential):
"""Creates a new credential.
:raises keystone.exception.Conflict: If a duplicate credential exists.
"""
raise exception.NotImplemented() # pragma: no cover
@abc.abstractmethod
def list_credentials(self, hints):
"""List all credentials.
:param hints: contains the list of filters yet to be satisfied.
Any filters satisfied here will be removed so that
the caller will know if any filters remain.
:returns: a list of credential_refs or an empty list.
"""
raise exception.NotImplemented() # pragma: no cover
@abc.abstractmethod
def list_credentials_for_user(self, user_id):
"""List credentials for a user.
:param user_id: ID of a user to filter credentials by.
:returns: a list of credential_refs or an empty list.
"""
raise exception.NotImplemented() # pragma: no cover
@abc.abstractmethod
def get_credential(self, credential_id):
"""Get a credential by ID.
:returns: credential_ref
:raises keystone.exception.CredentialNotFound: If credential doesn't
exist.
"""
raise exception.NotImplemented() # pragma: no cover
@abc.abstractmethod
def update_credential(self, credential_id, credential):
"""Updates an existing credential.
:raises keystone.exception.CredentialNotFound: If credential doesn't
exist.
:raises keystone.exception.Conflict: If a duplicate credential exists.
"""
raise exception.NotImplemented() # pragma: no cover
@abc.abstractmethod
def delete_credential(self, credential_id):
"""Deletes an existing credential.
:raises keystone.exception.CredentialNotFound: If credential doesn't
exist.
"""
raise exception.NotImplemented() # pragma: no cover
@abc.abstractmethod
def delete_credentials_for_project(self, project_id):
"""Deletes all credentials for a project."""
self._delete_credentials(lambda cr: cr['project_id'] == project_id)
@abc.abstractmethod
def delete_credentials_for_user(self, user_id):
"""Deletes all credentials for a user."""
self._delete_credentials(lambda cr: cr['user_id'] == user_id)
def _delete_credentials(self, match_fn):
"""Do the actual credential deletion work (default implementation).
:param match_fn: function that takes a credential dict as the
parameter and returns true or false if the
identifier matches the credential dict.
"""
for cr in self.list_credentials():
if match_fn(cr):
try:
self.credential_api.delete_credential(cr['id'])
except exception.CredentialNotFound:
LOG.debug('Deletion of credential is not required: %s',
cr['id'])
Driver = manager.create_legacy_driver(CredentialDriverV8)