3 - The server resource type, OS::TripleO::Server can now be
4 mapped per role instead of globally. This allows users to
5 mix baremetal (OS::Nova::Server) and
6 deployed-server (OS::Heat::DeployedServer) server resources
7 in the same deployment. See
8 https://blueprints.launchpad.net/tripleo/+spec/pluggable-server-type-per-role