nova/nova/db/sqlalchemy/migrate_repo/versions/330_enforce_mitaka_online_m...

56 lines
2.1 KiB
Python

# 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.
from sqlalchemy import MetaData, Table, and_, func, select
from nova import exception
from nova.i18n import _
WARNING_MSG = _('There are still %(count)i unmigrated records in '
'the %(table)s table. Migration cannot continue '
'until all records have been migrated.')
def upgrade(migrate_engine):
meta = MetaData(migrate_engine)
compute_nodes = Table('compute_nodes', meta, autoload=True)
aggregates = Table('aggregates', meta, autoload=True)
for table in (compute_nodes, aggregates):
count = select([func.count()]).select_from(table).where(and_(
table.c.deleted == 0,
table.c.uuid == None)).execute().scalar() # NOQA
if count > 0:
msg = WARNING_MSG % {
'count': count,
'table': table.name,
}
raise exception.ValidationError(detail=msg)
pci_devices = Table('pci_devices', meta, autoload=True)
# Ensure that all non-deleted PCI device records have a populated
# parent address. Note that we test directly against the 'type-VF'
# enum value to prevent issues with this migration going forward
# if the definition is altered.
count = select([func.count()]).select_from(pci_devices).where(and_(
pci_devices.c.deleted == 0,
pci_devices.c.parent_addr == None,
pci_devices.c.dev_type == 'type-VF')).execute().scalar() # NOQA
if count > 0:
msg = WARNING_MSG % {
'count': count,
'table': pci_devices.name,
}
raise exception.ValidationError(detail=msg)