Hi Mauricio,
Perhaps the following link is what you want:
http://libvirt.org/formatdomain.html#elementsTime (Time keeping)
--
Regards,
Alex
----- Original Message -----
From: "Mauricio Tavares" <raubvogel(a)gmail.com>
To: "libvirt-users" <libvirt-users(a)redhat.com>
Sent: Tuesday, July 31, 2012 2:00:40 AM
Subject: Re: [libvirt-users] Using virsh to load scripts for the guest machine
On Mon, Jul 30, 2012 at 1:50 PM, Eric Blake <eblake(a)redhat.com> wrote:
On 07/15/2012 07:52 PM, Mauricio Tavares wrote:
> Right on the top of
>
http://www.centos.org/docs/5/html/5.2/Virtualization/chap-Virtualization-...,
> it seems to imply you can load/send scripts to the vm guest using virsh.
> Is that possible? How and what are the limitations? Can you query the vm
> guest?
What type of scripts are you talking about? You may be thinking more
about the capabilities of what libguestfs provides, for modifying disk
images. In general, virsh itself controls how to start a guest, but not
the additional layers of communication (such as virtio, qemu-ga, or the
libguestfs appliance app) required for a host to command a guest to do
something from within the guest.
Basic one would be in case a machine has been paused for a long
time. You know as in "hey, you lazy vm! You have been sleeping for two
weeks! Now your clock is way off and poor ntp can't sync it back. So,
here's current date!" So that could either be done by stopping ntp
and running ntpdate or actually being able to pass the host time
(adjusted for the timezone the vm is supposed to be at) to the vm.
--
Eric Blake eblake(a)redhat.com +1-919-301-3266
Libvirt virtualization library
http://libvirt.org
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