[libvirt] [PATCH] qemu: Honour <on_reboot/>
Ruben Kerkhof
ruben at rubenkerkhof.com
Wed Jun 6 10:53:33 UTC 2018
Hi Michal,
Replying to an old thread:
On Fri, Aug 4, 2017 at 9:55 AM, Michal Privoznik <mprivozn at redhat.com> wrote:
> I think this patch enables exactly that. The VM admins don't start the
> domains by hand but probably have some SW that starts configured domains
> whenever not running. E.g. if one domain crashes, the mgmt SW starts it
> up again. With such SW in place this patch is exactly what's been missing.
> Alternatively, we can introduce new <on_reboot/> target, say "reinit"
> that would kill the qemu process and start a new one instead.
I could also really use something like that.
I have no control about when my customers reboot, but when they do,
for a kernel update for instance, that's the perfect moment for the vm
to restart with new configuration.
Right now I have an external process with an event loop that looks for
the reboot event for all domains, combined with
<on_reboot>destroy</on_reboot>.
That works, but I prefer if libvirt would handle this.
>
> Michal
Kind regards,
Ruben Kerkhof
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