69 lines
2.1 KiB
Python
69 lines
2.1 KiB
Python
# Copyright 2016 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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from alembic import op
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from neutron_lib import exceptions
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import sqlalchemy as sa
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from neutron._i18n import _
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"""uniq_routerports0port_id
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Revision ID: 030a959ceafa
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Revises: 3d0e74aa7d37
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Create Date: 2016-06-21 11:33:13.043879
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"""
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# revision identifiers, used by Alembic.
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revision = '030a959ceafa'
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down_revision = '3d0e74aa7d37'
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routerports = sa.Table(
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'routerports', sa.MetaData(),
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sa.Column('router_id', sa.String(36)),
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sa.Column('port_id', sa.String(36)),
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sa.Column('port_type', sa.String(255)))
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class DuplicatePortRecordinRouterPortdatabase(exceptions.Conflict):
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message = _("Duplicate port(s) %(port_id)s records exist in routerports "
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"database. Database cannot be upgraded. Please remove all "
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"duplicated records before upgrading the database.")
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def upgrade():
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op.create_unique_constraint(
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'uniq_routerports0port_id',
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'routerports',
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['port_id'])
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def check_sanity(connection):
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res = get_duplicate_port_records_in_routerport_database(connection)
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if res:
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raise DuplicatePortRecordinRouterPortdatabase(port_id=",".join(res))
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def get_duplicate_port_records_in_routerport_database(connection):
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insp = sa.engine.reflection.Inspector.from_engine(connection)
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if 'routerports' not in insp.get_table_names():
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return []
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session = sa.orm.Session(bind=connection.connect())
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query = (session.query(routerports.c.port_id)
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.group_by(routerports.c.port_id)
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.having(sa.func.count() > 1)).all()
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return [q[0] for q in query]
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