nova/nova/db/base.py
Davanum Srinivas af2d6c9576 Switch to using oslo_* instead of oslo.*
The oslo team is recommending everyone to switch to the
non-namespaced versions of libraries. Updating the hacking
rule to include a check to prevent oslo.* import from
creeping back in.

This commit includes:
- using oslo_utils instead of oslo.utils
- using oslo_serialization instead of oslo.serialization
- using oslo_db instead of oslo.db
- using oslo_i18n instead of oslo.i18n
- using oslo_middleware instead of oslo.middleware
- using oslo_config instead of oslo.config
- using oslo_messaging instead of "from oslo import messaging"
- using oslo_vmware instead of oslo.vmware

Change-Id: I3e2eb147b321ce3e928817b62abcb7d023c5f13f
2015-02-06 06:03:10 -05:00

38 lines
1.3 KiB
Python

# Copyright 2010 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
#
# 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.
"""Base class for classes that need modular database access."""
from oslo_config import cfg
from oslo_utils import importutils
db_driver_opt = cfg.StrOpt('db_driver',
default='nova.db',
help='The driver to use for database access')
CONF = cfg.CONF
CONF.register_opt(db_driver_opt)
class Base(object):
"""DB driver is injected in the init method."""
def __init__(self, db_driver=None):
super(Base, self).__init__()
if not db_driver:
db_driver = CONF.db_driver
self.db = importutils.import_module(db_driver)