40 lines
1.3 KiB
Python
40 lines
1.3 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# 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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"""
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Base class for managers of different parts of the system
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"""
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from nova import utils
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from nova import flags
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FLAGS = flags.FLAGS
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flags.DEFINE_string('db_driver', 'nova.db.api',
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'driver to use for volume creation')
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class Manager(object):
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"""DB driver is injected in the init method"""
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def __init__(self, host=None, db_driver=None):
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if not host:
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host = FLAGS.host
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self.host = host
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if not db_driver:
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db_driver = FLAGS.db_driver
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self.db = utils.import_object(db_driver) # pylint: disable-msg=C0103
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