neutron-fwaas/neutron_fwaas/db/migration/alembic_migrations/versions/queens/expand/f24e0d5e5bff_uniq_firewallg...

72 lines
2.4 KiB
Python

# Copyright 2017 Fujitsu Limited
#
# 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.
#
"""uniq_firewallgroupportassociation0port
Revision ID: f24e0d5e5bff
Revises: 876782258a43
Create Date: 2017-11-08 15:55:40.990272
"""
from alembic import op
from neutron_lib import exceptions
import sqlalchemy as sa
from neutron._i18n import _
# revision identifiers, used by Alembic.
revision = 'f24e0d5e5bff'
down_revision = '876782258a43'
fwg_port_association = sa.Table(
'firewall_group_port_associations_v2', sa.MetaData(),
sa.Column('firewall_group_id', sa.String(36)),
sa.Column('port_id', sa.String(36)))
class DuplicatePortRecordinFirewallGroupPortAssociation(exceptions.Conflict):
message = _("Duplicate port(s) %(port_id)s records exist in"
"firewall_group_port_associations_v2 table. Database cannot"
"be upgraded. Please remove all duplicated records before"
"upgrading the database.")
def upgrade():
op.create_unique_constraint(
'uniq_firewallgroupportassociation0port_id',
'firewall_group_port_associations_v2',
['port_id'])
def check_sanity(connection):
duplicated_port_ids = (
get_duplicate_port_records_in_fwg_port_association(connection))
if duplicated_port_ids:
raise DuplicatePortRecordinFirewallGroupPortAssociation(
port_id=",".join(duplicated_port_ids))
def get_duplicate_port_records_in_fwg_port_association(connection):
insp = sa.engine.reflection.Inspector.from_engine(connection)
if 'firewall_group_port_associations_v2' not in insp.get_table_names():
return []
session = sa.orm.Session(bind=connection.connect())
query = (session.query(fwg_port_association.c.port_id)
.group_by(fwg_port_association.c.port_id)
.having(sa.func.count() > 1)).all()
return [q[0] for q in query]