text: # Copyright 2014 Hewlett-Packard Company
  #
  # 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.
  
  import sqlalchemy as sql
  
  
  def upgrade(migrate_engine):
      # Upgrade operations go here. Don't create your own engine; bind
      # migrate_engine to your metadata
      meta = sql.MetaData()
      meta.bind = migrate_engine
  
      endpoint_group_table = sql.Table(
          'endpoint_group',
          meta,
          sql.Column('id', sql.String(64), primary_key=True),
          sql.Column('name', sql.String(255), nullable=False),
          sql.Column('description', sql.Text, nullable=True),
          sql.Column('filters', sql.Text(), nullable=False))
      endpoint_group_table.create(migrate_engine, checkfirst=True)
  
      project_endpoint_group_table = sql.Table(
          'project_endpoint_group',
          meta,
          sql.Column('endpoint_group_id', sql.String(64),
                     sql.ForeignKey('endpoint_group.id'), nullable=False),
          sql.Column('project_id', sql.String(64), nullable=False),
          sql.PrimaryKeyConstraint('endpoint_group_id',
                                   'project_id'))
      project_endpoint_group_table.create(migrate_engine, checkfirst=True)
  