neutron/neutron/db/migration/alembic_migrations/versions/3d3cb89d84ee_nsx_switch_map...

62 lines
2.0 KiB
Python

# 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.
#
"""nsx_switch_mappings
Revision ID: 3d3cb89d84ee
Revises: 1421183d533f
Create Date: 2014-01-07 15:37:41.323020
"""
# revision identifiers, used by Alembic.
revision = '3d3cb89d84ee'
down_revision = '1421183d533f'
# Change to ['*'] if this migration applies to all plugins
migration_for_plugins = [
'neutron.plugins.nicira.NeutronPlugin.NvpPluginV2',
'neutron.plugins.nicira.NeutronServicePlugin.NvpAdvancedPlugin',
'neutron.plugins.vmware.plugin.NsxPlugin',
'neutron.plugins.vmware.plugin.NsxServicePlugin'
]
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
# Create table for network mappings
op.create_table(
'neutron_nsx_network_mappings',
sa.Column('neutron_id', sa.String(length=36), nullable=False),
sa.Column('nsx_id', sa.String(length=36), nullable=True),
sa.ForeignKeyConstraint(['neutron_id'], ['networks.id'],
ondelete='CASCADE'),
# There might be multiple switches for a neutron network
sa.PrimaryKeyConstraint('neutron_id', 'nsx_id'),
)
def downgrade(active_plugins=None, options=None):
if not migration.should_run(active_plugins, migration_for_plugins):
return
op.drop_table('neutron_nsx_network_mappings')