81 lines
2.5 KiB
Python
81 lines
2.5 KiB
Python
# 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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from keystoneauth1 import loading as ks_loading
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from keystoneauth1 import service_token
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from oslo_config import cfg
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from cinder import exception
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CONF = cfg.CONF
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_SERVICE_AUTH = None
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SERVICE_USER_GROUP = 'service_user'
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service_user = cfg.OptGroup(
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SERVICE_USER_GROUP,
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title='Service token authentication type options',
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help="""
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Configuration options for service to service authentication using a service
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token. These options allow to send a service token along with the
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user's token when contacting external REST APIs.
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"""
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)
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service_user_opts = [
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cfg.BoolOpt('send_service_user_token',
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default=False,
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help="""
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When True, if sending a user token to an REST API, also send a service token.
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""")
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]
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CONF.register_group(service_user)
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CONF.register_opts(service_user_opts, group=service_user)
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ks_loading.register_session_conf_options(CONF, SERVICE_USER_GROUP)
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ks_loading.register_auth_conf_options(CONF, SERVICE_USER_GROUP)
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def reset_globals():
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"""For async unit test consistency."""
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global _SERVICE_AUTH
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_SERVICE_AUTH = None
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def get_service_auth_plugin():
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if CONF.service_user.send_service_user_token:
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global _SERVICE_AUTH
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if not _SERVICE_AUTH:
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_SERVICE_AUTH = ks_loading.load_auth_from_conf_options(
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CONF, group=SERVICE_USER_GROUP)
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if _SERVICE_AUTH is None:
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# This can happen if no auth_type is specified, which probably
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# means there's no auth information in the [service_user] group
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raise exception.ServiceUserTokenNoAuth()
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return _SERVICE_AUTH
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return None
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def get_auth_plugin(context, auth=None):
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if auth:
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user_auth = auth
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else:
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user_auth = context.get_auth_plugin()
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service_auth = get_service_auth_plugin()
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if service_auth is not None:
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return service_token.ServiceTokenAuthWrapper(
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user_auth=user_auth, service_auth=service_auth)
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return user_auth
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