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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
# 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 keystoneclient.v2_0 import client as ksclient
import logging
LOG = logging.getLogger(__name__)
class OpenStackClients(object):
def __init__(self):
self._connected_clients = {}
self._supported_clients = self.__class__.__subclasses__()
self.client = None
def get_client(self, name):
if name in self._connected_clients:
return self._connected_clients[name]
aclass = next(s for s in self._supported_clients if name in
sclient = aclass()
connected_client = sclient.create()
self._connected_clients[name] = connected_client
return connected_client
except StopIteration:
LOG.warning("Requested client %s not found", name)
def create(self):
class KeystoneClient(OpenStackClients):
def __init__(self):
super(KeystoneClient, self).__init__()
# TODO(Jeff Peeler): this shouldn't be hard coded
self.creds = {'auth_url': '',
'username': 'admin',
'password': 'steakfordinner',
'tenant_name': 'admin'}
def create(self):
if self.client is None:
self.client = ksclient.Client(**self.creds)
return self.client
if __name__ == '__main__':
# TODO(Jeff Peeler): mock this
client_mgr = OpenStackClients()
ks = client_mgr.get_client('KeystoneClient')
ks2 = client_mgr.get_client('KeystoneClient')