72 lines
2.1 KiB
Python
72 lines
2.1 KiB
Python
# Copyright 2020 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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"""add_unique_quotas_project_resource
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Revision ID: f010820fc498
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Revises: 532aa95457e2
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Create Date: 2020-08-28 14:49:50.615623
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"""
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# revision identifiers, used by Alembic.
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revision = 'f010820fc498'
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down_revision = '532aa95457e2'
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depends_on = ('7d9d8eeec6ad',)
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quotas = sa.Table(
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'quotas', sa.MetaData(),
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sa.Column('project_id', sa.String(255)),
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sa.Column('resource', sa.String(255)))
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class DuplicateQuotas(exceptions.Conflict):
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message = _("Duplicate Quotas are created for resource(s) %(resources)s. "
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"Database cannot be upgraded. Please, remove all duplicates "
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"before upgrading the database.")
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def get_duplicate_quotas(connection):
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insp = sa.engine.reflection.Inspector.from_engine(connection)
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if 'quotas' 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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items = (session.query(quotas.c.project_id, quotas.c.resource)
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.group_by(quotas.c.project_id, quotas.c.resource)
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.having(sa.func.count() > 1)).all()
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return items
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def check_sanity(connection):
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res = get_duplicate_quotas(connection)
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if res:
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resources = ",".join([":".join(r) for r in res])
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raise DuplicateQuotas(resources=resources)
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def upgrade():
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op.create_unique_constraint(
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op.f('uniq_quotas0project_id0resource'),
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'quotas',
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['project_id', 'resource'])
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