1eb39637ac
This commit will prepare for implementing policies in code [1]. Like oslo.config, with oslo.policy, we can define all of default rules in code base and only change some rules via policy file. Another thing that we should use yaml format instead of json format. [1] https://governance.openstack.org/tc/goals/queens/policy-in-code.html Change-Id: I8cd6e148d9b6bb1dc61e2cb1728acafc325bca65 Co-authored-By: Hieu LE <hieulq@vn.fujitsu.com>
52 lines
1.6 KiB
Python
52 lines
1.6 KiB
Python
# 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.
|
|
|
|
"""
|
|
Policy Engine For Senlin
|
|
"""
|
|
|
|
# from oslo_concurrency import lockutils
|
|
from oslo_config import cfg
|
|
from oslo_policy import policy
|
|
|
|
from senlin.common import exception
|
|
from senlin.common import policies
|
|
|
|
POLICY_ENFORCER = None
|
|
CONF = cfg.CONF
|
|
|
|
|
|
# @lockutils.synchronized('policy_enforcer', 'senlin-')
|
|
def _get_enforcer(policy_file=None, rules=None, default_rule=None):
|
|
|
|
global POLICY_ENFORCER
|
|
|
|
if POLICY_ENFORCER is None:
|
|
POLICY_ENFORCER = policy.Enforcer(CONF,
|
|
policy_file=policy_file,
|
|
rules=rules,
|
|
default_rule=default_rule)
|
|
POLICY_ENFORCER.register_defaults(policies.list_rules())
|
|
return POLICY_ENFORCER
|
|
|
|
|
|
def enforce(context, rule, target, do_raise=True, *args, **kwargs):
|
|
|
|
enforcer = _get_enforcer()
|
|
credentials = context.to_dict()
|
|
target = target or {}
|
|
if do_raise:
|
|
kwargs.update(exc=exception.Forbidden)
|
|
|
|
return enforcer.enforce(rule, target, credentials, do_raise,
|
|
*args, **kwargs)
|