Clean up codes in node API
Clean up codes in node API

Change-Id: Icc6a594fa51227424cf0ae47174eaf7f2a2fd659

ChengTiesheng/magnum,mjbrewer/testindex,ddepaoli3/magnum,Alzon/SUR,sajuptpm/magnum,annegentle/magnum,Tennyson53/magnum,ramielrowe/magnum,ArchiFleKs/magnum,sajuptpm/magnum,Alzon/SUR,ChengTiesheng/magnum,mjbrewer/testindex,dimtruck/magnum,eshijia/magnum,eshijia/SUR,ramielrowe/magnum,dimtruck/magnum,Tennyson53/magnum,hongbin/magnum,LaynePeng/magnum,paulczar/magnum,Tennyson53/SUR,ffantast/magnum,LaynePeng/magnum,Tennyson53/SUR,jay-lau/magnum,hongbin/magnum,ffantast/magnum,ArchiFleKs/magnum,mjbrewer/testindex,openstack/magnum,paulczar/magnum,eshijia/magnum,ddepaoli3/magnum,annegentle/magnum,eshijia/SUR,openstack/magnum