cinder/cinder/db/sqlalchemy/migrate_repo/versions/007_add_ipv6_to_fixed_ips.py

71 lines
2.1 KiB
Python

# Copyright 2011 OpenStack LLC
# 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.
from sqlalchemy import Column, Integer, MetaData, String, Table
def upgrade(migrate_engine):
# Upgrade operations go here. Don't create your own engine;
# bind migrate_engine to your metadata
meta = MetaData()
meta.bind = migrate_engine
fixed_ips = Table('fixed_ips', meta, autoload=True)
#
# New Columns
#
fixed_ips_addressV6 = Column(
"addressV6",
String(
length=255,
convert_unicode=False,
assert_unicode=None,
unicode_error=None,
_warn_on_bytestring=False))
fixed_ips_netmaskV6 = Column(
"netmaskV6",
String(
length=3,
convert_unicode=False,
assert_unicode=None,
unicode_error=None,
_warn_on_bytestring=False))
fixed_ips_gatewayV6 = Column(
"gatewayV6",
String(
length=255,
convert_unicode=False,
assert_unicode=None,
unicode_error=None,
_warn_on_bytestring=False))
# Add columns to existing tables
fixed_ips.create_column(fixed_ips_addressV6)
fixed_ips.create_column(fixed_ips_netmaskV6)
fixed_ips.create_column(fixed_ips_gatewayV6)
def downgrade(migrate_engine):
meta = MetaData()
meta.bind = migrate_engine
fixed_ips = Table('fixed_ips', meta, autoload=True)
fixed_ips.drop_column('addressV6')
fixed_ips.drop_column('netmaskV6')
fixed_ips.drop_column('gatewayV6')