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# Copyright 2016 Brocade Communications System, 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
# 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 exceptions
from keystoneauth1.identity import v3
from keystoneauth1 import session
from keystoneclient import client
from oslo_config import cfg
from oslo_log import log as logging
LOG = logging.getLogger(__name__)
class Keystone(object):
"""Keystone module for OpenStack VIM
Handles identity operations for a given OpenStack
instance such as version, session and client
def get_version(self, base_url=None):
keystone_client = client.Client(auth_url=base_url)
except exceptions.ConnectionError:
return keystone_client.version
def get_session(self, auth_plugin, verify=False):
ses = session.Session(auth=auth_plugin, verify=verify)
return ses
def get_endpoint(self, ses, service_type, region_name=None):
return ses.get_endpoint(service_type, region_name)
def initialize_client(self, **kwargs):
verify = 'True' == kwargs.pop('cert_verify', 'False')
auth_plugin = v3.Password(**kwargs)
ses = self.get_session(auth_plugin=auth_plugin, verify=verify)
cli = client.Client('v3', session=ses)
return cli