48 lines
1.6 KiB
Python
48 lines
1.6 KiB
Python
# 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 karbor.i18n import _LE
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import os
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from oslo_config import cfg
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from oslo_log import log as logging
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from oslo_utils import importutils
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LOG = logging.getLogger(__name__)
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class ClientFactory(object):
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_factory = None
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@staticmethod
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def _list_clients():
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clients_dir = os.path.join(os.path.dirname(__file__), 'clients')
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if not os.path.isdir(clients_dir):
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LOG.error(_LE('clients directory "%s" not found'), clients_dir)
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return
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for file in os.listdir(clients_dir):
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name, ext = os.path.splitext(file)
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if name != '__init__' and ext == '.py':
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LOG.debug('Found client "%s"', name)
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yield '%s.clients.%s' % (__package__, name)
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@classmethod
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def create_client(cls, service, context, conf=cfg.CONF, **kwargs):
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if not cls._factory:
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cls._factory = {}
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for module in cls._list_clients():
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module = importutils.import_module(module)
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cls._factory[module.SERVICE] = module
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return cls._factory[service].create(context, conf, **kwargs)
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