On Sun, 23 Jul 2006 12:39:29 +0100, Daniel P. Berrange wrote: >> I have toyed around with the idea of writing an XML-RPC front-end to >> QEMU (with the idea of bridging the gap for libvirt). DV also had a >> patch floating around to add a socket management interface to QEMU >> (although now there is a TCP character device so I presume his patch is >> unnecessary). > > If there was a way to enumerate all running QEMU instances on a machine in > a reasonably fast manner (ie, not reading every single /proc/PID entry), > the existing QEMU monitor interface exposes enough functionality to > support most of libvirt API.
The approach I took was to have all qemu spawning be done through a single daemon that could keep track of running instances. In the general case, I don't think there's a way to do it. Plus, you want to make sure that each instance has the monitor on some reconnectable interface. Regards, Anthony Liguori > So the main questions are how to enumerate > QEMU instances & how to connect to the monitor - UNIX, TCP, or XML-RPC are > all possible options with plus/minuses. UNIX is nice because you can > manage security with simple file permissions on the socket. TCP/XML-RPC is > nice because you can manage VMs remotely - but you'd need to do some kind > of sensible auth scheme in remote case - unlike Xen which allows anyone to > connect :-( > > Regards, > Dan, _______________________________________________ Qemu-devel mailing list Qemu-devel@nongnu.org http://lists.nongnu.org/mailman/listinfo/qemu-devel
