neutron/neutron/db/migration/alembic_migrations/versions/2db5203cb7a9_nuage_floating...

81 lines
3.3 KiB
Python

# Copyright 2014 OpenStack Foundation
#
# 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.
#
"""nuage_floatingip
Revision ID: 2db5203cb7a9
Revises: 10cd28e692e9
Create Date: 2014-05-19 16:39:42.048125
"""
# revision identifiers, used by Alembic.
revision = '2db5203cb7a9'
down_revision = '10cd28e692e9'
from alembic import op
import sqlalchemy as sa
from neutron.db import migration
# This migration will be executed only if the neutron DB schema contains
# the tables for the nuage plugin.
# This migration will be skipped when executed in offline mode.
@migration.skip_if_offline
def upgrade():
# These tables will be created even if the nuage plugin is not enabled.
# This is fine as they would be created anyway by the healing migration.
if migration.schema_has_table('routers'):
# In the database we are migrating from, the configured plugin
# did not create the routers table.
op.create_table(
'nuage_floatingip_pool_mapping',
sa.Column('fip_pool_id', sa.String(length=36), nullable=False),
sa.Column('net_id', sa.String(length=36), nullable=True),
sa.Column('router_id', sa.String(length=36), nullable=True),
sa.ForeignKeyConstraint(['net_id'], ['networks.id'],
ondelete='CASCADE'),
sa.ForeignKeyConstraint(['router_id'], ['routers.id'],
ondelete='CASCADE'),
sa.PrimaryKeyConstraint('fip_pool_id'),
)
if migration.schema_has_table('floatingips'):
# In the database we are migrating from, the configured plugin
# did not create the floatingips table.
op.create_table(
'nuage_floatingip_mapping',
sa.Column('fip_id', sa.String(length=36), nullable=False),
sa.Column('router_id', sa.String(length=36), nullable=True),
sa.Column('nuage_fip_id', sa.String(length=36), nullable=True),
sa.ForeignKeyConstraint(['fip_id'], ['floatingips.id'],
ondelete='CASCADE'),
sa.PrimaryKeyConstraint('fip_id'),
)
migration.rename_table_if_exists('net_partitions',
'nuage_net_partitions')
migration.rename_table_if_exists('net_partition_router_mapping',
'nuage_net_partition_router_mapping')
migration.rename_table_if_exists('router_zone_mapping',
'nuage_router_zone_mapping')
migration.rename_table_if_exists('subnet_l2dom_mapping',
'nuage_subnet_l2dom_mapping')
migration.rename_table_if_exists('port_mapping',
'nuage_port_mapping')
migration.rename_table_if_exists('routerroutes_mapping',
'nuage_routerroutes_mapping')