openstack
/
nova
Code Issues Proposed changes

add downgrade

This commit is contained in:
Vishvananda Ishaya 2011-07-19 10:00:00 -07:00
parent 39701e1318
commit cfa755c6f3
1 changed files with 11 additions and 4 deletions
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15
nova/db/sqlalchemy/migrate_repo/versions/033_ha_network.py
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@ -1,6 +1,6 @@
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2011 MORITA Kazutaka.
# Copyright (c) 2011 OpenStack, LLC.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
@ -25,13 +25,20 @@ networks_multi_host = Column('multi_host', Boolean, default=False)
def upgrade(migrate_engine):
# Upgrade operations go here. Don't create your own engine;
# bind migrate_engine to your metadata
meta.bind = migrate_engine
# Add columns to existing tables
fixed_ips = Table('fixed_ips', meta, autoload=True)
fixed_ips.create_column(fixed_ips_host)
networks = Table('networks', meta, autoload=True)
networks.create_column(networks_multi_host)
def downgrade(migrate_engine):
meta.bind = migrate_engine
fixed_ips = Table('fixed_ips', meta, autoload=True)
fixed_ips.drop_column(fixed_ips_host)
networks = Table('networks', meta, autoload=True)
networks.drop_column(networks_multi_host)