87 lines
2.5 KiB
Python
87 lines
2.5 KiB
Python
# Copyright 2019 Red Hat
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from __future__ import absolute_import
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import abc
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from oslo_log import log
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import tobiko
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from tobiko.openstack import keystone
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LOG = log.getLogger(__name__)
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class OpenstackClientFixture(tobiko.SharedFixture):
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client = None
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session = None
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session_fixture = None
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def __init__(self, session=None):
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super(OpenstackClientFixture, self).__init__()
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if session:
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if tobiko.is_fixture(session):
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self.session_fixture = session
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else:
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self.session = session
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def setup_fixture(self):
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self.setup_session()
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self.setup_client()
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def setup_session(self):
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session_fixture = self.session_fixture
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if session_fixture:
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self.session = tobiko.setup_fixture(session_fixture).session
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elif not self.session:
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self.session = keystone.get_keystone_session()
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def setup_client(self):
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self.client = self.init_client(session=self.session)
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@abc.abstractmethod
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def init_client(self, session):
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raise NotImplementedError
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class OpenstackClientManager(object):
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def __init__(self, init_client=None):
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self._clients = {}
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self.init_client = init_client
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def get_client(self, session=None, shared=True, init_client=None):
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if shared:
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if session and tobiko.is_fixture(session):
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key = tobiko.get_fixture_name(session)
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else:
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key = session
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client = self._clients.get(key)
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if client:
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return client
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session = session or keystone.get_keystone_session()
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init_client = init_client or self.init_client
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assert callable(init_client)
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LOG.debug('Initialize OpenStack client: %r(session=%r)',
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init_client, session)
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client = init_client(session=session)
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if shared:
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self._clients[key] = client
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return client
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