def delete_group_snapshot(self, context, group_snapshot, force=False):
check_policy(context, 'delete_group_snapshot')
values = {'status': 'deleting'}
expected = {'status': ('available', 'error')}
filters = [
~db.group_creating_from_src(group_snapshot_id=group_snapshot.id)
]
res = group_snapshot.conditional_update(values, expected, filters)
if not res:
msg = _('GroupSnapshot status must be available or error, and no '
'Group can be currently using it as source for its '
'creation.')
raise exception.InvalidGroupSnapshot(reason=msg)
snapshots = objects.SnapshotList.get_all_for_group_snapshot(
context, group_snapshot.id)
# TODO(xyang): Add a new db API to update all snapshots statuses
# in one db API call.
for snap in snapshots:
snap.status = c_fields.SnapshotStatus.DELETING
snap.save()
self.volume_rpcapi.delete_group_snapshot(context.elevated(),
group_snapshot)
def delete_group_snapshot(self, context, group_snapshot, force=False):
check_policy(context, 'delete_group_snapshot')
values = {'status': 'deleting'}
expected = {'status': ('available', 'error')}
filters = [~db.group_creating_from_src(
group_snapshot_id=group_snapshot.id)]
res = group_snapshot.conditional_update(values, expected, filters)
if not res:
msg = _('GroupSnapshot status must be available or error, and no '
'Group can be currently using it as source for its '
'creation.')
raise exception.InvalidGroupSnapshot(reason=msg)
snapshots = objects.SnapshotList.get_all_for_group_snapshot(
context, group_snapshot.id)
# TODO(xyang): Add a new db API to update all snapshots statuses
# in one db API call.
for snap in snapshots:
snap.status = c_fields.SnapshotStatus.DELETING
snap.save()
self.volume_rpcapi.delete_group_snapshot(context.elevated(),
group_snapshot)