50 lines
1.4 KiB
Python
50 lines
1.4 KiB
Python
# Copyright 2010 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# All Rights Reserved.
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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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"""Session Handling for SQLAlchemy backend."""
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from oslo.config import cfg
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from oslo_db.sqlalchemy import session
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from designate.openstack.common import log as logging
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LOG = logging.getLogger(__name__)
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CONF = cfg.CONF
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_FACADES = {}
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def _create_facade_lazily(name):
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if name not in _FACADES:
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_FACADES[name] = session.EngineFacade(
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cfg.CONF[name].connection,
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**dict(cfg.CONF[name].iteritems()))
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return _FACADES[name]
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def get_engine(name):
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facade = _create_facade_lazily(name)
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return facade.get_engine()
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def get_session(name, **kwargs):
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facade = _create_facade_lazily(name)
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return facade.get_session(**kwargs)
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