For more information, please read the news announcement. If you are interested in providing IaaS capabilities to the scientific community, see CHI-in-a-Box, a packaging of the Chameleon testbed, which has been in development since 2014.
Dashi is a messaging library built on top of Kombu. It provides common patterns such as RPC without taking over your code or forcing a choice of async framework upon you.
Parts of dashi are inspired by the nova.rpc package of Openstack Nova.