def _pre_fail_check(self, volumes, statuc_check_func):
normal_volumes = []
pair_ids = []
group_ids = set()
volume_pair_infos = {}
for v in volumes:
drv_data = huawei_utils.to_dict(v.replication_driver_data)
pair_id = drv_data.get('pair_id')
if not pair_id:
normal_volumes.append(v.id)
continue
pair_info = self.pair_op.get_info(pair_id)
volume_pair_infos[v.id] = pair_info
cg_id = pair_info.get('CGID')
if cg_id:
if cg_id not in group_ids:
group_ids.add(cg_id)
else:
pair_ids.append(pair_id)
for pair_info in six.itervalues(volume_pair_infos):
if not statuc_check_func(pair_info):
msg = _('Replication pair %(id)s is not at the status '
'failover/failback available, RUNNINGSTATUS: %(run)s, '
'SECRESDATASTATUS: %(sec)s.'
) % {'id': pair_info['ID'],
'run': pair_info['RUNNINGSTATUS'],
'sec': pair_info['SECRESDATASTATUS']}
LOG.error(msg)
raise exception.VolumeBackendAPIException(data=msg)
return normal_volumes, list(group_ids), pair_ids, volume_pair_infos
def _remove_volumes_from_group(self, group_id, volumes):
for volume in volumes:
drv_data = huawei_utils.to_dict(volume.replication_driver_data)
pair_id = drv_data.get('pair_id')
if not pair_id:
LOG.warning("Volume %s doesn't have replication.", volume.id)
continue
self.group_op.remove_pair_from_group(group_id, pair_id)
self.pair_op.sync(pair_id)