Re: [libvirt-users] Determine state of the guest OS/kernel from host
On 08/03/2012 12:39 PM, Harish Patil wrote:
>> Is there a way that I can register with libvirt for the state
change
>> notifications in the guest OS?
Thanks Eric. Understand that there is no such facility at the
libvirt
level. Do you know whether such notification can be received/trapped at the
qemu level itself ? I had once checked that QEVENT_RESET event is emitted
when the guest OS reboots.
Certain guest events such as shutdown ARE detected by qemu, and
therefore feed a lifecycle event that you can then monitor via libvirt.
We even have an example program shipped in the libvirt sources for
tracking all events in the lifecycle of a domain. However, I don't know
if a guest reboot is always detected by qemu.
--
Eric Blake eblake(a)redhat.com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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