code: func mapServerToNodeName(server *servers.Server) types.NodeName {
  	// Node names are always lowercase, and (at least)
  	// routecontroller does case-sensitive string comparisons
  	// assuming this
  	return types.NodeName(strings.ToLower(server.Name))
  }
docs: // mapServerToNodeName maps an OpenStack Server to a k8s NodeName