In case Stephan isn't aware, we have node discovery working already.
libvirtd instances broadcast their availability over Avahi. To be
practically useful they need to broadcast a little bit more
information via some TXT fields, but adding a patch to do that is
surely easier than turning libvirt into a cluster management system.
Rich.
--
Richard Jones, Emerging Technologies, Red Hat
http://et.redhat.com/~rjones
virt-top is 'top' for virtual machines. Tiny program with many
powerful monitoring features, net stats, disk stats, logging, etc.
http://et.redhat.com/~rjones/virt-top