octavia/octavia/db/migration/alembic_migrations/versions/76aacf2e176c_extend_support...

63 lines
1.9 KiB
Python

# Copyright 2018 Huawei
#
# 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.
#
"""Extend some necessary fields for udp support
Revision ID: 76aacf2e176c
Revises: ebbcc72b4e5e
Create Date: 2018-01-01 20:47:52.405865
"""
from alembic import op
import sqlalchemy as sa
from sqlalchemy import sql
# revision identifiers, used by Alembic.
revision = '76aacf2e176c'
down_revision = 'ebbcc72b4e5e'
tables = [u'protocol', u'health_monitor_type']
new_fields = ['UDP', 'UDP-CONNECT']
def upgrade():
# New UDP protocol addition.
# New UDP_CONNNECT healthmonitor type addition.
for table, new_field in zip(tables, new_fields):
insert_table = sql.table(
table,
sql.column(u'name', sa.String),
sql.column(u'description', sa.String)
)
op.bulk_insert(
insert_table,
[
{'name': new_field}
]
)
# Two new columns add to session_persistence table
op.add_column('session_persistence',
sa.Column('persistence_timeout',
sa.Integer(),
nullable=True, server_default=None))
op.add_column('session_persistence',
sa.Column('persistence_granularity',
sa.String(length=64),
nullable=True, server_default=None))