text: # 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'
  
  migration_for_plugins = [
      'neutron.plugins.nuage.plugin.NuagePlugin'
  ]
  
  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.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'),
      )
      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'),
      )
      op.rename_table('net_partitions', 'nuage_net_partitions')
      op.rename_table('net_partition_router_mapping',
                      'nuage_net_partition_router_mapping')
      op.rename_table('router_zone_mapping', 'nuage_router_zone_mapping')
      op.rename_table('subnet_l2dom_mapping', 'nuage_subnet_l2dom_mapping')
      op.rename_table('port_mapping', 'nuage_port_mapping')
      op.rename_table('routerroutes_mapping', 'nuage_routerroutes_mapping')
  
  
  def downgrade(active_plugins=None, options=None):
      if not migration.should_run(active_plugins, migration_for_plugins):
          return
  
      op.drop_table('nuage_floatingip_mapping')
      op.drop_table('nuage_floatingip_pool_mapping')
      op.rename_table('nuage_net_partitions', 'net_partitions')
      op.rename_table('nuage_net_partition_router_mapping',
                      'net_partition_router_mapping')
      op.rename_table('nuage_router_zone_mapping', 'router_zone_mapping')
      op.rename_table('nuage_subnet_l2dom_mapping', 'subnet_l2dom_mapping')
      op.rename_table('nuage_port_mapping', 'port_mapping')
      op.rename_table('nuage_routerroutes_mapping', 'routerroutes_mapping')
  