old_contents: # Copyright 2018 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.
  #
  
  """port forwarding
  
  Revision ID: 867d39095bf4
  Revises: 61663558142c
  Create Date: 2018-01-15 01:52:31.308888
  
  """
  
  from alembic import op
  import sqlalchemy as sa
  
  from neutron_lib.db import constants
  
  # revision identifiers, used by Alembic.
  revision = '867d39095bf4'
  down_revision = '61663558142c'
  
  
  def upgrade():
      op.create_table(
          'portforwardings',
          sa.Column('id', sa.String(length=constants.UUID_FIELD_SIZE),
                    nullable=False),
          sa.Column('floatingip_id',
                    sa.String(length=constants.UUID_FIELD_SIZE),
                    nullable=False),
          sa.Column('external_port', sa.Integer(), nullable=False),
          sa.Column('internal_neutron_port_id',
                    sa.String(length=constants.UUID_FIELD_SIZE),
                    nullable=False),
          sa.Column('protocol', sa.String(length=40), nullable=False),
          sa.Column('socket', sa.String(length=36), nullable=False),
          sa.ForeignKeyConstraint(['floatingip_id'], ['floatingips.id'],
                                  ondelete='CASCADE'),
          sa.ForeignKeyConstraint(['internal_neutron_port_id'], ['ports.id'],
                                  ondelete='CASCADE'),
          sa.PrimaryKeyConstraint('id'),
          sa.UniqueConstraint('floatingip_id', 'external_port',
                              name='uniq_port_forwardings0floatingip_id0'
                                   'external_port'),
          sa.UniqueConstraint('internal_neutron_port_id', 'socket',
                              name='uniq_port_forwardings0'
                                   'internal_neutron_port_id0socket')
      )
  
new_contents: # Copyright 2018 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.
  #
  
  """port forwarding
  
  Revision ID: 867d39095bf4
  Revises: 61663558142c
  Create Date: 2018-01-15 01:52:31.308888
  
  """
  
  from alembic import op
  import sqlalchemy as sa
  
  from neutron_lib.db import constants
  
  from neutron.db import migration
  
  # revision identifiers, used by Alembic.
  revision = '867d39095bf4'
  down_revision = '61663558142c'
  
  # milestone identifier, used by neutron-db-manage
  neutron_milestone = [migration.ROCKY]
  
  
  def upgrade():
      op.create_table(
          'portforwardings',
          sa.Column('id', sa.String(length=constants.UUID_FIELD_SIZE),
                    nullable=False),
          sa.Column('floatingip_id',
                    sa.String(length=constants.UUID_FIELD_SIZE),
                    nullable=False),
          sa.Column('external_port', sa.Integer(), nullable=False),
          sa.Column('internal_neutron_port_id',
                    sa.String(length=constants.UUID_FIELD_SIZE),
                    nullable=False),
          sa.Column('protocol', sa.String(length=40), nullable=False),
          sa.Column('socket', sa.String(length=36), nullable=False),
          sa.ForeignKeyConstraint(['floatingip_id'], ['floatingips.id'],
                                  ondelete='CASCADE'),
          sa.ForeignKeyConstraint(['internal_neutron_port_id'], ['ports.id'],
                                  ondelete='CASCADE'),
          sa.PrimaryKeyConstraint('id'),
          sa.UniqueConstraint('floatingip_id', 'external_port',
                              name='uniq_port_forwardings0floatingip_id0'
                                   'external_port'),
          sa.UniqueConstraint('internal_neutron_port_id', 'socket',
                              name='uniq_port_forwardings0'
                                   'internal_neutron_port_id0socket')
      )
  
subject: Add Rocky milestone tag for alembic migration revisions