text: # Copyright 2016 Ifwe Inc.
  #
  # 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.
  
  from sqlalchemy import ForeignKey
  from sqlalchemy.dialects.mysql import INTEGER
  from sqlalchemy.orm import relationship
  
  from .meta import Base, Column, String
  
  
  class VmInfo(Base):
      __tablename__ = 'vm_info'
  
      host_id = Column(
          u'host_id',
          INTEGER(),
          ForeignKey(
              'hosts.HostID',
              name='fk_vm_info_host_id_hosts',
              ondelete='cascade'
          ),
          primary_key=True
      )
      pool = Column(String(length=10), nullable=False)
      numa_mode = Column(INTEGER(), server_default=None)
  
      host = relationship('Host', uselist=False, back_populates='vm')
  