73 lines
2.4 KiB
Python
73 lines
2.4 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_floatingips0floating_network_id0fixed_port_id0fixed_ip_addr
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Revision ID: 6b461a21bcfc
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Revises: 67daae611b6e
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Create Date: 2016-06-03 16:00:38.273324
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"""
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# revision identifiers, used by Alembic.
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revision = '6b461a21bcfc'
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down_revision = '67daae611b6e'
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floatingips = sa.Table(
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'floatingips', sa.MetaData(),
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sa.Column('floating_network_id', sa.String(36)),
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sa.Column('fixed_port_id', sa.String(36)),
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sa.Column('fixed_ip_address', sa.String(64)))
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class DuplicateFloatingIPforOneFixedIP(exceptions.Conflict):
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message = _("Duplicate Floating IPs were created for fixed IP "
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"addresse(s) %(fixed_ip_address)s. Database cannot "
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"be upgraded. Please remove all duplicate Floating "
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"IPs before upgrading the database.")
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def upgrade():
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op.create_unique_constraint(
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'uniq_floatingips0floatingnetworkid0fixedportid0fixedipaddress',
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'floatingips',
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['floating_network_id', 'fixed_port_id', 'fixed_ip_address'])
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def check_sanity(connection):
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res = get_duplicate_floating_ip_for_one_fixed_ip(connection)
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if res:
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raise DuplicateFloatingIPforOneFixedIP(fixed_ip_address=",".join(res))
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def get_duplicate_floating_ip_for_one_fixed_ip(connection):
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insp = sa.engine.reflection.Inspector.from_engine(connection)
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if 'floatingips' 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(floatingips.c.fixed_ip_address)
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.group_by(floatingips.c.floating_network_id,
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floatingips.c.fixed_port_id,
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floatingips.c.fixed_ip_address)
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.having(sa.func.count() > 1)).all()
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return [q[0] for q in query if q[0] is not None]
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