cyborg/cyborg/db/sqlalchemy/models.py

73 lines
2.3 KiB
Python

# Copyright 2017 Huawei Technologies Co.,LTD.
# All Rights Reserved.
#
# 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.
"""SQLAlchemy models for accelerator service."""
from oslo_db import options as db_options
from oslo_db.sqlalchemy import models
import six.moves.urllib.parse as urlparse
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy import Column, String, Integer
from sqlalchemy import schema
from cyborg.common import paths
from cyborg.conf import CONF
_DEFAULT_SQL_CONNECTION = 'sqlite:///' + paths.state_path_def('cyborg.sqlite')
db_options.set_defaults(CONF, connection=_DEFAULT_SQL_CONNECTION)
def table_args():
engine_name = urlparse.urlparse(CONF.database.connection).scheme
if engine_name == 'mysql':
return {'mysql_engine': CONF.database.mysql_engine,
'mysql_charset': "utf8"}
return None
class CyborgBase(models.TimestampMixin, models.ModelBase):
metadata = None
def as_dict(self):
d = {}
for c in self.__table__.columns:
d[c.name] = self[c.name]
return d
Base = declarative_base(cls=CyborgBase)
class Accelerator(Base):
"""Represents the accelerators."""
__tablename__ = 'accelerators'
__table_args__ = (
schema.UniqueConstraint('uuid', name='uniq_accelerators0uuid'),
table_args()
)
id = Column(Integer, primary_key=True)
uuid = Column(String(36), nullable=False)
name = Column(String(255), nullable=False)
description = Column(String(255), nullable=True)
device_type = Column(String(255), nullable=False)
acc_type = Column(String(255), nullable=False)
acc_capability = Column(String(255), nullable=False)
vendor_id = Column(String(255), nullable=False)
product_id = Column(String(255), nullable=False)
remotable = Column(Integer, nullable=False)