# 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 oslo_config import cfg

from kite.common import utils

CONF = cfg.CONF
CONF.import_opt('backend',
                'kite.openstack.common.db.options',
                group='database')

IMPL = utils.LazyPluggable(pivot='backend',
                           config_group='database',
                           sqlalchemy='kite.db.sqlalchemy.migration')

INIT_VERSION = 0


def upgrade(revision=None):
    return IMPL.upgrade(revision=revision)


def downgrade(revision=None):
    return IMPL.downgrade(revision=revision)


def version():
    return IMPL.version()
