octavia/octavia/certificates/common/auth/barbican_acl.py

50 lines
1.7 KiB
Python

# Copyright (c) 2014 Rackspace US, Inc
# 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.
"""
Barbican ACL auth class for Barbican certificate handling
"""
from barbicanclient import client as barbican_client
from oslo_config import cfg
from oslo_log import log as logging
from oslo_utils import excutils
from octavia.certificates.common import barbican as barbican_common
from octavia.common import keystone
from octavia.i18n import _LE
LOG = logging.getLogger(__name__)
CONF = cfg.CONF
class BarbicanACLAuth(barbican_common.BarbicanAuth):
_barbican_client = None
@classmethod
def get_barbican_client(cls, project_id=None):
if not cls._barbican_client:
try:
session = keystone.KeystoneSession().get_session()
cls._barbican_client = barbican_client.Client(
session=session,
region_name=CONF.certificates.region_name,
interface=CONF.certificates.endpoint_type
)
except Exception:
with excutils.save_and_reraise_exception():
LOG.exception(_LE("Error creating Barbican client"))
return cls._barbican_client