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540142f314f4_fwaas_router_insertion.py
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540142f314f4_fwaas_router_insertion.py
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# 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.
#
"""FWaaS router insertion
Revision ID: 540142f314f4
Revises: 4202e3047e47
Create Date: 2015-02-06 17:02:24.279337
"""
# revision identifiers, used by Alembic.
revision = '540142f314f4'
down_revision = '4202e3047e47'
from alembic import op
from oslo_db import exception
import sqlalchemy as sa
SQL_STATEMENT = (
"insert into firewall_router_associations "
"select "
"f.id as fw_id, r.id as router_id "
"from firewalls f, routers r "
"where "
"f.tenant_id=r.%s"
)
def upgrade():
op.create_table('firewall_router_associations',
sa.Column('fw_id', sa.String(length=36), nullable=False),
sa.Column('router_id', sa.String(length=36), nullable=False),
sa.ForeignKeyConstraint(['fw_id'], ['firewalls.id'],
ondelete='CASCADE'),
sa.ForeignKeyConstraint(['router_id'], ['routers.id'],
ondelete='CASCADE'),
sa.PrimaryKeyConstraint('fw_id', 'router_id'),
)
# Depending on when neutron-fwaas is installed with neutron, this script
# may be run before or after the neutron core tables have had their
# tenant_id columns renamed to project_id. Account for both scenarios.
try:
op.execute(SQL_STATEMENT % 'tenant_id')
except exception.DBError:
op.execute(SQL_STATEMENT % 'project_id')