# 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 keystoneclient.v2_0 import client as ksclient import logging logging.basicConfig(level=logging.WARNING) 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] try: aclass = next(s for s in self._supported_clients if name in s.__name__) sclient = aclass() connected_client = sclient.create() self._connected_clients[name] = connected_client return connected_client except StopIteration: LOG.warn("Requested client %s not found", name) raise def create(self): pass class KeystoneClient(OpenStackClients): def __init__(self): super(KeystoneClient, self).__init__() # TODO(Jeff Peeler): this shouldn't be hard coded self.creds = {'auth_url': 'http://10.0.0.4:5000/v2.0', '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): mox this client_mgr = OpenStackClients() ks = client_mgr.get_client('KeystoneClient') LOG.info(ks) ks2 = client_mgr.get_client('KeystoneClient') LOG.info(ks2)