text: # vim: tabstop=4 shiftwidth=4 softtabstop=4
  
  # 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.
  
  """Database setup and migration commands."""
  
  from nova import utils
  
  
  IMPL = utils.LazyPluggable(
          'baremetal_db_backend',
          sqlalchemy='nova.virt.baremetal.db.sqlalchemy.migration')
  
  INIT_VERSION = 0
  
  
  def db_sync(version=None):
      """Migrate the database to `version` or the most recent version."""
      return IMPL.db_sync(version=version)
  
  
  def db_version():
      """Display the current database version."""
      return IMPL.db_version()
  