keystone/keystone/policy/core.py

68 lines
2.3 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.
"""Main entry point into the Policy service."""
from keystone.common import manager
import keystone.conf
from keystone import exception
from keystone import notifications
CONF = keystone.conf.CONF
class Manager(manager.Manager):
"""Default pivot point for the Policy backend.
See :mod:`keystone.common.manager.Manager` for more details on how this
dynamically calls the backend.
"""
driver_namespace = 'keystone.policy'
_provides_api = 'policy_api'
_POLICY = 'policy'
def __init__(self):
super(Manager, self).__init__(CONF.policy.driver)
def create_policy(self, policy_id, policy, initiator=None):
ref = self.driver.create_policy(policy_id, policy)
notifications.Audit.created(self._POLICY, policy_id, initiator)
return ref
def get_policy(self, policy_id):
return self.driver.get_policy(policy_id)
def update_policy(self, policy_id, policy, initiator=None):
if 'id' in policy and policy_id != policy['id']:
raise exception.ValidationError('Cannot change policy ID')
ref = self.driver.update_policy(policy_id, policy)
notifications.Audit.updated(self._POLICY, policy_id, initiator)
return ref
@manager.response_truncated
def list_policies(self, hints=None):
# NOTE(henry-nash): Since the advantage of filtering or list limiting
# of policies at the driver level is minimal, we leave this to the
# caller.
return self.driver.list_policies()
def delete_policy(self, policy_id, initiator=None):
ret = self.driver.delete_policy(policy_id)
notifications.Audit.deleted(self._POLICY, policy_id, initiator)
return ret