neutron/neutron/db/migration/alembic_migrations/versions/5a875d0e5c_ryu.py

73 lines
2.1 KiB
Python

# 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
"""ryu
This retroactively provides migration support for
https://review.openstack.org/#/c/11204/
Revision ID: 5a875d0e5c
Revises: 2c4af419145b
Create Date: 2012-12-18 12:32:04.482477
"""
# revision identifiers, used by Alembic.
revision = '5a875d0e5c'
down_revision = '2c4af419145b'
# Change to ['*'] if this migration applies to all plugins
migration_for_plugins = [
'neutron.plugins.ryu.ryu_neutron_plugin.RyuNeutronPluginV2'
]
from alembic import op
import sqlalchemy as sa
from neutron.db import migration
def upgrade(active_plugins=None, options=None):
if not migration.should_run(active_plugins, migration_for_plugins):
return
op.create_table(
'tunnelkeys',
sa.Column('network_id', sa.String(length=36), nullable=False),
sa.Column('tunnel_key', sa.Integer(), autoincrement=False,
nullable=False),
sa.ForeignKeyConstraint(['network_id'], ['networks.id'],
ondelete='CASCADE'),
sa.PrimaryKeyConstraint('tunnel_key')
)
op.create_table(
'tunnelkeylasts',
sa.Column('last_key', sa.Integer(), autoincrement=False,
nullable=False),
sa.PrimaryKeyConstraint('last_key')
)
def downgrade(active_plugins=None, options=None):
if not migration.should_run(active_plugins, migration_for_plugins):
return
op.drop_table('tunnelkeylasts')
op.drop_table('tunnelkeys')