manila/manila/db/migrations/alembic/env.py

43 lines
1.3 KiB
Python

# Copyright 2014 Mirantis Inc.
#
# 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.
from __future__ import with_statement
from alembic import context
from manila.db.sqlalchemy import api as db_api
from manila.db.sqlalchemy import models as db_models
def run_migrations_online():
"""Run migrations in 'online' mode.
In this scenario we need to create an Engine
and associate a connection with the context.
"""
engine = db_api.get_engine()
connection = engine.connect()
target_metadata = db_models.ManilaBase.metadata
# pylint: disable=no-member
context.configure(connection=connection,
target_metadata=target_metadata)
try:
with context.begin_transaction():
context.run_migrations()
finally:
connection.close()
run_migrations_online()