def manage_existing(self, volume, existing_ref):
ldev = _str2int(existing_ref.get('ldev'))
metadata = utils.get_volume_metadata(volume)
return {
'provider_location': six.text_type(ldev),
'metadata': dict(
metadata, ldev=ldev, type=utils.NORMAL_LDEV_TYPE),
}
def copy_dest_vol_meta_to_src_vol(self, src_vol, dest_vol):
metadata = utils.get_volume_metadata(dest_vol)
try:
self.db.volume_metadata_update(
self.ctxt, src_vol['id'], metadata, True)
except Exception as ex:
utils.output_log(
318, src_vol_id=src_vol['id'], dest_vol_id=dest_vol['id'],
reason=six.text_type(ex))
def create_snapshot(self, snapshot):
src_vref = self.db.volume_get(self.ctxt, snapshot['volume_id'])
ldev = utils.get_ldev(src_vref)
# When 'ldev' is 0, it should be true.
# Therefore, it cannot remove 'is None'.
if ldev is None:
msg = utils.output_log(624, type='volume', id=src_vref['id'])
raise exception.HPEXPError(data=msg)
size = snapshot['volume_size']
metadata = utils.get_volume_metadata(src_vref)
new_ldev, ldev_type = self._copy_ldev(ldev, size, metadata)
if not self.conf.hpexp_driver_cert_mode:
self.db.snapshot_metadata_update(
self.ctxt, snapshot['id'],
dict(ldev=new_ldev, type=ldev_type), False)
return {
'provider_location': six.text_type(new_ldev),
}