The RPC-OpenStack repository contains additional scripts, variables, and options for deploying an OpenStack cloud. It is a thin wrapper around the OpenStack-Ansible deployment framework that is part of the OpenStack namespace. All-In-One (AIO) Deployment. An AIO is a quick way to test a RPC-OpenStack deployment. All of the cloud's internal services are deployed on the same server, which could be a physical server or a virtual machine.