text: # 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.
  
  """adding magnum_service functionality
  
  Revision ID: 27ad304554e2
  Revises: 1d045384b966
  Create Date: 2015-09-01 18:27:14.371860
  
  """
  
  # revision identifiers, used by Alembic.
  revision = '27ad304554e2'
  down_revision = '1d045384b966'
  
  from alembic import op
  import sqlalchemy as sa
  
  
  def upgrade():
      op.create_table(
          'magnum_service',
          sa.Column('created_at', sa.DateTime(), nullable=True),
          sa.Column('updated_at', sa.DateTime(), nullable=True),
          sa.Column('id', sa.Integer(), nullable=False),
          sa.Column('report_count', sa.Integer(), nullable=False),
          sa.Column('host', sa.String(length=255), nullable=True),
          sa.Column('binary', sa.String(length=255), nullable=True),
          sa.Column('disabled', sa.Boolean(), nullable=True),
          sa.Column('disabled_reason', sa.String(length=255), nullable=True),
          # 'last_seen_up' has different purpose than 'updated_at'.
          # 'updated_at' refers to any modification of the entry, which can
          # be administrative too, whereas 'last_seen_up' is more related to
          # magnum_service. Modeled after nova/servicegroup
          sa.Column('last_seen_up', sa.DateTime(), nullable=True),
          sa.Column('forced_down', sa.Boolean(), nullable=True),
          sa.PrimaryKeyConstraint('id'),
          sa.UniqueConstraint('host', 'binary',
                              name='uniq_magnum_service0host0binary')
      )
  