def extend_hypermetro(self, hypermetro_id, new_size):
LOG.info('Extend hypermetro pair %s', hypermetro_id)
metro_info = self.remote_cli.get_hypermetro_by_id(hypermetro_id)
metrogroup = None
if metro_info['ISINCG'] == 'true':
cg_id = metro_info['CGID']
metrogroup = huawei_utils.get_hypermetro_group(
self.local_cli, cg_id)
if metrogroup:
self._stop_consistencygroup_if_need(metrogroup)
elif ((metro_info['HEALTHSTATUS'] == constants.METRO_HEALTH_NORMAL)
and metro_info['RUNNINGSTATUS'] in (
constants.METRO_RUNNING_NORMAL,
constants.METRO_RUNNING_SYNC)):
self.local_cli.stop_hypermetro(hypermetro_id)
try:
self.remote_cli.extend_lun(metro_info['LOCALOBJID'], new_size)
self.local_cli.extend_lun(metro_info['REMOTEOBJID'], new_size)
finally:
if metrogroup:
self.local_cli.sync_metrogroup(metrogroup['ID'])
else:
self.local_cli.sync_hypermetro(hypermetro_id)
def add_hypermetro_to_group(self, group_id, metro_id):
metrogroup = huawei_utils.get_hypermetro_group(
self.local_cli, group_id)
if not metrogroup:
msg = _('Hypermetro group %s to not exist.') % group_id
LOG.error(msg)
raise exception.VolumeBackendAPIException(data=msg)
self._stop_consistencygroup_if_need(metrogroup)
self._stop_hypermetro_if_need(metro_id)
self.local_cli.add_metro_to_metrogroup(metrogroup['ID'], metro_id)
self.local_cli.sync_metrogroup(metrogroup['ID'])
def delete_consistencygroup(self, group_id, volumes):
LOG.info("Delete hypermetro consistency group %s.", group_id)
metrogroup = huawei_utils.get_hypermetro_group(self.local_cli,
group_id)
if not metrogroup:
LOG.warning('Hypermetro group %s to delete not exist.', group_id)
return
self._stop_consistencygroup_if_need(metrogroup)
self._remove_volume_from_metrogroup(volumes, metrogroup['ID'])
self.local_cli.delete_metrogroup(metrogroup['ID'])
def update_consistencygroup(self, group_id, add_volumes, remove_volumes):
LOG.info("Update hypermetro consistency group %s.", group_id)
metrogroup = huawei_utils.get_hypermetro_group(
self.local_cli, group_id)
if not metrogroup:
msg = _('Hypermetro group %s to update not exist.') % group_id
LOG.error(msg)
raise exception.VolumeBackendAPIException(data=msg)
self._stop_consistencygroup_if_need(metrogroup)
self._add_volume_to_metrogroup(add_volumes, metrogroup['ID'])
self._remove_volume_from_metrogroup(remove_volumes, metrogroup['ID'])
self.local_cli.sync_metrogroup(metrogroup['ID'])
