Matt Reider here - Product Manager for Cloud Foundry. I was a Dreamhost customer a long time ago, and I was excited to learn about Dreamcompute and join the beta program.
I am curious why you wouldn't want to use BOSH? It would certainly make your life a lot easier. I can collaborate with you on it if you'll forgive my lack of depth on OpenStack (I have been working with vSphere and AWS for a few years).