||System running the containers needed for Digital Rebar. Can be VM or Phyiscal
||The method of processing unrun Node Roles on Nodes.
|Bare Metal Node
||Any physical node managed by Digital Rebar.
||Any node that is managed by Digital Rebar. Can be VM or Physical
||A VM or physical system that Digital Rebar may manage or is managing. It is
represented by a object_node.
||An instance of a role on a specific node. These are sequenced into a directed
graph and annealed to completion.
||An atomic piece of functionality to apply to a node. object_role
||A RAM-only boot environment served by the provisioner for bare metal node discovery