Re: [libvirt] [RFC] get guest OS infos

On Thu, Jun 11, 2015 at 3:51 AM, Daniel P. Berrange <berrange(a)redhat.com&gt; wrote: > On Thu, Jun 11, 2015 at 09:17:30AM +0100, Daniel P. Berrange wrote: > > On Thu, Jun 11, 2015 at 01:51:33PM +0800, zhang bo wrote: > > > Different OSes have different capabilities and behaviors sometimes. We > have to distinguish them then. > > > > > > For example, our clients want to send NMI interrupts to certain > guests(eg.Linux distributions), but not others(eg.Windows guests). > > > They want to acquire the list below: > > > guest1: RHEL 7 > > > guest2: RHEL 7 > > > guest3: Ubuntu 12 > > > guest4: Ubuntu 13 > > > guest5: Windows 7 > > > ...... > > > > > > AFAIK, neither libvirt nor openstack, nor qemu, have such capbility of > showing these guest OS infos. > > > Libvirt now supports to show host capabilities and driver capability, > but not an individual guest OS's capibility. We may refer to > > > http://libvirt.org/formatdomaincaps.html for more information. > > > > Hello. I wrote a utility a few years ago to detect which OS is running in each qemu VM under libvirt via memory probing. I have not touched the code in a few years. YMMV. http://pastebin.com/m0mfcK8G