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# 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.
from keystoneauth1 import loading as ks_loading
from keystoneauth1 import service_token
from oslo_log import log as logging
import nova.conf
CONF = nova.conf.CONF
LOG = logging.getLogger(__name__)
_SERVICE_AUTH = None
def reset_globals():
"""For async unit test consistency."""
global _SERVICE_AUTH
_SERVICE_AUTH = None
def get_auth_plugin(context):
user_auth = context.get_auth_plugin()
if CONF.service_user.send_service_user_token:
global _SERVICE_AUTH
if not _SERVICE_AUTH:
_SERVICE_AUTH = ks_loading.load_auth_from_conf_options(
CONF,
group=
nova.conf.service_token.SERVICE_USER_GROUP)
if _SERVICE_AUTH is None:
# This indicates a misconfiguration so log a warning and
# return the user_auth.
LOG.warning('Unable to load auth from [service_user] '
'configuration. Ensure "auth_type" is set.')
return user_auth
return service_token.ServiceTokenAuthWrapper(
user_auth=user_auth,
service_auth=_SERVICE_AUTH)
return user_auth
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