cloudpulse/cloudpulse/openstack/api/keystone_session.py

52 lines
2.0 KiB
Python

# Copyright 2015 Rackspace
#
# 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.identity import v2 as v2_client
from keystoneauth1.identity import v3 as v3_client
from keystoneauth1 import session
from oslo_config import cfg
from oslo_log import log as logging
from oslo_utils import excutils
LOG = logging.getLogger(__name__)
cfg.CONF.import_group('keystone_authtoken', 'keystonemiddleware.auth_token')
def _get_kssession():
kwargs = {'auth_url': cfg.CONF.keystone_authtoken.auth_uri,
'username': cfg.CONF.keystone_authtoken.username,
'password': cfg.CONF.keystone_authtoken.password}
if cfg.CONF.keystone_authtoken.auth_uri[-3:] == '2.0':
client = v2_client
kwargs['tenant_name'] = cfg.CONF.keystone_authtoken.project_name
elif cfg.CONF.keystone_authtoken.auth_uri[-1:] == '3':
client = v3_client
kwargs['project_name'] = cfg.CONF.keystone_authtoken.project_name
kwargs['user_domain_name'] = \
cfg.CONF.keystone_authtoken.user_domain_name
kwargs['project_domain_name'] = \
cfg.CONF.keystone_authtoken.project_domain_name
else:
raise Exception('Unknown keystone version!')
try:
kc = client.Password(**kwargs)
kssession = session.Session(
auth=kc, verify=(cfg.CONF.keystone_authtoken.cafile))
return kssession
except Exception:
with excutils.save_and_reraise_exception():
LOG.exception("Error creating Keystone session.")