3fc8b3f97d
This change: 1. Adds credmanager service which handles credentials for AWS drivers. 2. Adds support for managing multiple AWS accounts through use of credmanager. Each account is mapped to a single project in keystone. 3. Adds support for multiple AZs by running one nova-compute and cinder-volume process per AZ. 4. Improves support for AWS networking in neutron. 5. Also, made few stability fixes in GCP and Azure drivers. Change-Id: I0f87005a924423397db659ab754caaa6cde90274
82 lines
2.5 KiB
Python
82 lines
2.5 KiB
Python
# Copyright (c) 2011 OpenStack Foundation
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# All Rights Reserved.
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#
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# Copyright (c) 2017 Platform9 Systems
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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 Credsmgr"""
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from oslo_config import cfg
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from oslo_policy import opts as policy_opts
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from oslo_policy import policy
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from credsmgr import exception
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CONF = cfg.CONF
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policy_opts.set_defaults(cfg.CONF, 'policy.json')
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_ENFORCER = None
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def init():
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global _ENFORCER
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if not _ENFORCER:
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_ENFORCER = policy.Enforcer(CONF)
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def enforce(context, action, target):
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"""Verifies that the action is valid on the target in this context.
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:param context: credsmgr context
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:param action: string representing the action to be checked
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this should be colon separated for clarity.
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i.e. ``compute:create_instance``,
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``compute:attach_volume``,
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``volume:attach_volume``
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:param object: dictionary representing the object of the action
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for object creation this should be a dictionary representing the
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location of the object e.g. ``{'project_id': context.project_id}``
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:raises PolicyNotAuthorized: if verification fails.
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"""
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init()
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return _ENFORCER.enforce(action,
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target,
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context.to_policy_values(),
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do_raise=True,
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exc=exception.PolicyNotAuthorized,
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action=action)
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def check_is_admin(roles, context=None):
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"""Whether or not user is admin according to policy setting.
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"""
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init()
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# include project_id on target to avoid KeyError if context_is_admin
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# policy definition is missing, and default admin_or_owner rule
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# attempts to apply.
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target = {'project_id': ''}
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if context is None:
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credentials = {'roles': roles}
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else:
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credentials = context.to_dict()
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return _ENFORCER.enforce('context_is_admin', target, credentials)
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