ee3fe4e836
This change renames everything to Neutron while providing backwards compatible adjustments for Grizzly configuration files. implements blueprint: remove-use-of-quantum Change-Id: Ie7d07ba7c89857e13d4ddc8f0e9b68de020a3d19
103 lines
2.9 KiB
Python
103 lines
2.9 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
#
|
|
# Copyright 2012 New Dream Network, LLC (DreamHost)
|
|
#
|
|
# 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.
|
|
#
|
|
# @author: Mark McClain, DreamHost
|
|
|
|
from logging.config import fileConfig
|
|
|
|
from alembic import context
|
|
from sqlalchemy import create_engine, pool
|
|
|
|
from neutron.db import model_base
|
|
from neutron.openstack.common import importutils
|
|
|
|
|
|
DATABASE_QUOTA_DRIVER = 'neutron.extensions._quotav2_driver.DbQuotaDriver'
|
|
|
|
# this is the Alembic Config object, which provides
|
|
# access to the values within the .ini file in use.
|
|
config = context.config
|
|
neutron_config = config.neutron_config
|
|
|
|
# Interpret the config file for Python logging.
|
|
# This line sets up loggers basically.
|
|
fileConfig(config.config_file_name)
|
|
|
|
plugin_class_path = neutron_config.core_plugin
|
|
|
|
plugin_klass = importutils.import_class(plugin_class_path)
|
|
|
|
# set the target for 'autogenerate' support
|
|
target_metadata = model_base.BASEV2.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=neutron_config.database.connection)
|
|
|
|
with context.begin_transaction():
|
|
context.run_migrations(active_plugin=plugin_class_path,
|
|
options=build_options())
|
|
|
|
|
|
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(
|
|
neutron_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(active_plugin=plugin_class_path,
|
|
options=build_options())
|
|
finally:
|
|
connection.close()
|
|
|
|
|
|
def build_options():
|
|
return {'folsom_quota_db_enabled': is_db_quota_enabled()}
|
|
|
|
|
|
def is_db_quota_enabled():
|
|
return neutron_config.QUOTAS.quota_driver == DATABASE_QUOTA_DRIVER
|
|
|
|
|
|
if context.is_offline_mode():
|
|
run_migrations_offline()
|
|
else:
|
|
run_migrations_online()
|