1f2f5dea5f
This fixes bug #1060919 Change-Id: I5257acc5eeace7f3ff38785223b1eaa7a3711d17 Signed-off-by: Julien Danjou <julien@danjou.info>
69 lines
1.9 KiB
Python
69 lines
1.9 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright (c) 2011 OpenStack, LLC.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Policy Engine For Ceilometer"""
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from ceilometer import utils
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from ceilometer.openstack.common import cfg
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from ceilometer.openstack.common import policy
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OPTS = [
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cfg.StrOpt('policy_file',
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default='policy.json',
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help='JSON file representing policy'),
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cfg.StrOpt('policy_default_rule',
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default='default',
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help='Rule checked when requested rule is not found'),
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]
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cfg.CONF.register_opts(OPTS)
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_POLICY_PATH = None
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_POLICY_CACHE = {}
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def init():
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global _POLICY_PATH
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global _POLICY_CACHE
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if not _POLICY_PATH:
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_POLICY_PATH = cfg.CONF.policy_file
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utils.read_cached_file(_POLICY_PATH, _POLICY_CACHE,
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reload_func=_set_brain)
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def _set_brain(data):
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default_rule = cfg.CONF.policy_default_rule
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policy.set_brain(policy.Brain.load_json(data, default_rule))
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def check_is_admin(roles, project_id, project_name):
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"""Whether or not roles contains 'admin' role according to policy setting.
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"""
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init()
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match_list = ('rule:context_is_admin',)
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target = {}
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credentials = {
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'roles': roles,
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'project_id': project_id,
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'project_name': project_name,
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}
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return policy.enforce(match_list, target, credentials)
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