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# vim: tabstop=4 shiftwidth=4 softtabstop=4
#
# Copyright 2012 OpenStack Foundation
# All Rights Reserved
#
# 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 oslo.config import cfg
from quantumclient.v2_0 import client
from nova.openstack.common import excutils
from nova.openstack.common import log as logging
CONF = cfg.CONF
LOG = logging.getLogger(__name__)
cached_admin_client = None
def _fill_admin_details(params):
params['username'] = CONF.quantum_admin_username
params['tenant_name'] = CONF.quantum_admin_tenant_name
params['region_name'] = CONF.quantum_region_name
params['password'] = CONF.quantum_admin_password
params['auth_url'] = CONF.quantum_admin_auth_url
params['timeout'] = CONF.quantum_url_timeout
params['auth_strategy'] = CONF.quantum_auth_strategy
params['insecure'] = CONF.quantum_api_insecure
def _get_client(token=None):
global cached_admin_client
should_cache = False
params = {
'endpoint_url': CONF.quantum_url,
'timeout': CONF.quantum_url_timeout,
'insecure': CONF.quantum_api_insecure,
}
if token:
params['token'] = token
else:
if CONF.quantum_auth_strategy:
should_cache = True
_fill_admin_details(params)
else:
params['auth_strategy'] = None
new_client = client.Client(**params)
if should_cache:
# in this case, we don't have the token yet
try:
new_client.httpclient.authenticate()
except Exception:
with excutils.save_and_reraise_exception():
LOG.exception(_("quantum authentication failed"))
cached_admin_client = new_client
return new_client
def get_client(context, admin=False):
if admin:
if cached_admin_client is not None:
return cached_admin_client
token = None
else:
token = context.auth_token
return _get_client(token=token)
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