text: # vim: tabstop=4 shiftwidth=4 softtabstop=4
  #
  # Copyright 2013 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.
  #
  
  """inital port security
  
  Revision ID: 1149d7de0cfa
  Revises: 1b693c095aa3
  Create Date: 2013-01-22 14:05:20.696502
  
  """
  
  # revision identifiers, used by Alembic.
  revision = '1149d7de0cfa'
  down_revision = '1b693c095aa3'
  
  # Change to ['*'] if this migration applies to all plugins
  
  migration_for_plugins = [
      'neutron.plugins.nicira.NeutronPlugin.NvpPluginV2'
  ]
  
  from alembic import op
  import sqlalchemy as sa
  
  from neutron.db import migration
  
  
  def upgrade(active_plugin=None, options=None):
      if not migration.should_run(active_plugin, migration_for_plugins):
          return
  
      ### commands auto generated by Alembic - please adjust! ###
      op.create_table('networksecuritybindings',
                      sa.Column('network_id', sa.String(length=36),
                      nullable=False),
                      sa.Column('port_security_enabled', sa.Boolean(),
                      nullable=False),
                      sa.ForeignKeyConstraint(['network_id'], ['networks.id'],
                      ondelete='CASCADE'),
                      sa.PrimaryKeyConstraint('network_id'))
      op.create_table('portsecuritybindings',
                      sa.Column('port_id', sa.String(length=36),
                      nullable=False),
                      sa.Column('port_security_enabled', sa.Boolean(),
                      nullable=False),
                      sa.ForeignKeyConstraint(['port_id'], ['ports.id'],
                      ondelete='CASCADE'),
                      sa.PrimaryKeyConstraint('port_id'))
      ### end Alembic commands ###
  
      # Copy network and port ids over to network|port(securitybindings) table
      # and set port_security_enabled to false as ip address pairs were not
      # configured in NVP originally.
      op.execute("INSERT INTO networksecuritybindings SELECT id as "
                 "network_id, False as port_security_enabled from networks")
      op.execute("INSERT INTO portsecuritybindings SELECT id as port_id, "
                 "False as port_security_enabled from ports")
  
  
  def downgrade(active_plugin=None, options=None):
      if not migration.should_run(active_plugin, migration_for_plugins):
          return
  
      ### commands auto generated by Alembic - please adjust! ###
      op.drop_table('portsecuritybindings')
      op.drop_table('networksecuritybindings')
      ### end Alembic commands ###
  