masakari/masakari/db/sqlalchemy/migrate_repo/versions/002_add_hosts_table.py

57 lines
2.4 KiB
Python

# Copyright 2016 NTT Data.
# 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.
from migrate import ForeignKeyConstraint, UniqueConstraint
from sqlalchemy import Column, MetaData, Table, Index
from sqlalchemy import Integer, DateTime, String, Boolean, Text
def define_hosts_table(meta):
failover_segments = Table('failover_segments', meta, autoload=True)
hosts = Table('hosts',
meta,
Column('created_at', DateTime, nullable=False),
Column('updated_at', DateTime),
Column('deleted_at', DateTime),
Column('deleted', Integer),
Column('id', Integer, primary_key=True,
nullable=False),
Column('uuid', String(36), nullable=False),
Column('name', String(255), nullable=False),
Column('reserved', Boolean, default=False),
Column('type', String(255), nullable=False),
Column('control_attributes', Text, nullable=False),
Column('failover_segment_id', String(36), nullable=False),
Column('on_maintenance', Boolean, default=False),
UniqueConstraint('failover_segment_id', 'name', 'deleted',
name='uniq_host0name0deleted'),
UniqueConstraint('uuid', name='uniq_host0uuid'),
ForeignKeyConstraint(columns=['failover_segment_id'],
refcolumns=[failover_segments.c.uuid],
name='fk_failover_segments_uuid'),
Index('hosts_type_idx', 'type'),
mysql_engine='InnoDB',
mysql_charset='utf8',
extend_existing=True)
return hosts
def upgrade(migrate_engine):
meta = MetaData()
meta.bind = migrate_engine
table = define_hosts_table(meta)
table.create()