87 lines
2.4 KiB
Python
87 lines
2.4 KiB
Python
# -*- coding: utf-8 -*-
|
|
#
|
|
# 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 logging import config as c
|
|
from oslo_utils import importutils
|
|
from sqlalchemy import create_engine
|
|
from sqlalchemy import pool
|
|
|
|
from lbaas.db.sqlalchemy import model_base
|
|
|
|
|
|
importutils.try_import('lbaas.db.v1.sqlalchemy.models')
|
|
|
|
# This is the Alembic Config object, which provides
|
|
# access to the values within the .ini file in use.
|
|
config = context.config
|
|
lbaas_config = config.lbaas_config
|
|
|
|
# Interpret the config file for Python logging.
|
|
# This line sets up loggers basically.
|
|
c.fileConfig(config.config_file_name)
|
|
|
|
# Add your model's MetaData object here for 'autogenerate' support.
|
|
target_metadata = model_base.LbaasModelBase.metadata
|
|
|
|
|
|
def run_migrations_offline():
|
|
"""Run migrations in 'offline' mode.
|
|
|
|
This configures the context with just a URL
|
|
and not an Engine, though an Engine is acceptable
|
|
here as well. By skipping the Engine creation
|
|
we don't even need a DBAPI to be available.
|
|
|
|
Calls to context.execute() here emit the given string to the
|
|
script output.
|
|
|
|
"""
|
|
context.configure(url=lbaas_config.database.connection)
|
|
|
|
with context.begin_transaction():
|
|
context.run_migrations()
|
|
|
|
|
|
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 = create_engine(
|
|
lbaas_config.database.connection,
|
|
poolclass=pool.NullPool
|
|
)
|
|
|
|
connection = engine.connect()
|
|
context.configure(
|
|
connection=connection,
|
|
target_metadata=target_metadata
|
|
)
|
|
|
|
try:
|
|
with context.begin_transaction():
|
|
context.run_migrations()
|
|
finally:
|
|
connection.close()
|
|
|
|
|
|
if context.is_offline_mode():
|
|
run_migrations_offline()
|
|
else:
|
|
run_migrations_online()
|