neutron/neutron/db/migration/alembic_migrations/versions/5ac1c354a051_n1kv_segment_a...

84 lines
2.6 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.
#
"""n1kv segment allocs for cisco n1kv plugin
Revision ID: 5ac1c354a051
Revises: 538732fa21e1
Create Date: 2014-03-05 17:36:52.952608
"""
# revision identifiers, used by Alembic.
revision = '5ac1c354a051'
down_revision = '538732fa21e1'
# Change to ['*'] if this migration applies to all plugins
migration_for_plugins = [
'neutron.plugins.cisco.network_plugin.PluginV2'
]
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.add_column(
'cisco_n1kv_vlan_allocations',
sa.Column('network_profile_id',
sa.String(length=36),
nullable=False)
)
op.create_foreign_key(
'cisco_n1kv_vlan_allocations_ibfk_1',
source='cisco_n1kv_vlan_allocations',
referent='cisco_network_profiles',
local_cols=['network_profile_id'], remote_cols=['id'],
ondelete='CASCADE'
)
op.add_column(
'cisco_n1kv_vxlan_allocations',
sa.Column('network_profile_id',
sa.String(length=36),
nullable=False)
)
op.create_foreign_key(
'cisco_n1kv_vxlan_allocations_ibfk_1',
source='cisco_n1kv_vxlan_allocations',
referent='cisco_network_profiles',
local_cols=['network_profile_id'], remote_cols=['id'],
ondelete='CASCADE'
)
def downgrade(active_plugins=None, options=None):
if not migration.should_run(active_plugins, migration_for_plugins):
return
op.drop_constraint('cisco_n1kv_vxlan_allocations_ibfk_1',
'cisco_n1kv_vxlan_allocations',
'foreignkey')
op.drop_column('cisco_n1kv_vxlan_allocations', 'network_profile_id')
op.drop_constraint('cisco_n1kv_vlan_allocations_ibfk_1',
'cisco_n1kv_vlan_allocations',
'foreignkey')
op.drop_column('cisco_n1kv_vlan_allocations', 'network_profile_id')