trio2o/tricircle/db/migration_helpers.py
zhiyuan_cai be30bb2fd8 cascade_service: DB infrastructure
Base DAL implementation and DevStack integration. Our database
schema is under design so the models may be changed later.

Partially implements: blueprint implement-dal

Change-Id: I8b16b3217e6b72e04bd8886d01d638f2d5a5c388
2015-08-11 10:57:27 +00:00

39 lines
1.2 KiB
Python

# Copyright 2015 Huawei Technologies Co., Ltd.
# 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.
import os
from oslo_db.sqlalchemy import migration
from tricircle import db
from tricircle.db import core
from tricircle.db import migrate_repo
def find_migrate_repo(package=None, repo_name='migrate_repo'):
package = package or db
path = os.path.abspath(os.path.join(
os.path.dirname(package.__file__), repo_name))
# TODO(zhiyuan) handle path not valid exception
return path
def sync_repo(version):
repo_abs_path = find_migrate_repo()
init_version = migrate_repo.DB_INIT_VERSION
engine = core.get_engine()
migration.db_sync(engine, repo_abs_path, version, init_version)