On Thu, Apr 15, 2021 at 05:40:40PM +0100, Daniel P. Berrangé wrote:
> On Thu, Apr 15, 2021 at 12:30:11PM -0400, Eduardo Habkost wrote:
> > On Thu, Apr 15, 2021 at 12:04 PM Daniel P. Berrangé <[email protected]>
> > wrote:
> > >
> > > Is it possible to query the migration blockers via QMP ?
> >
> > I don't think it is, but we can add that if it's useful for libvirt.
>
> I think it would be useful.
To expand on how it could be used by a libvirt client if we could wire
this up in our message reporting API.
A client app using libvirt python API would do:
msgs = dom.getMessages(libvirt.VIR_DOMAIN_MESSAGES_MIGBLOCKERS)
if len(msgs) > 0:
print("Domain %s uses features that block migration" % dom.getName())
for msg in msgs:
print(" >> %s" % msg)
Migration blockers change over time, as hardware is hotplugged/unplugged,
so this isn't a one-off thing. The list of blockers is only valid at the
point in time that it is queried.
Regards,
Daniel
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