Draft below may be considered as POC awaiting release of TripleoO QuickStart
along with flexible templates managed by ansible and KSM patching.
Follow http://lxer.com/module/newswire/view/234586/index.html setting up instack VM and configuring “centos7-newton/current-passed-ci” based delorean repos on VIRTHOST and INSTACK . After log into “instack VM” (undercloud VM) create 4GB swap file and restart “instack VM”
Complete text may be seen here http://dbaxps.blogspot.com/2016/10/rdo-newton-overcloud-ha-deployment-via.html