def unique_id_from_node(self, node):
        try:
            result = super(iBootDriverInfo, self).unique_id_from_node(node)
        except __HOLE__:
            return

        if node.driver_info.get('iboot_relay_id'):
            result = '%s#%s' % (result, node.driver_info['iboot_relay_id'])

        return result
dataset/ETHPy150Open openstack/tripleo-common/tripleo_common/utils/nodes.py/iBootDriverInfo.unique_id_from_node