On Fri, Apr 07, 2017 at 09:31:45AM +0200, Michal Privoznik wrote:
> On 04/06/2017 10:47 PM, Wojtek Porczyk wrote:
> > On Tue, Apr 04, 2017 at 03:31:27PM +0100, Daniel P. Berrange wrote:
> > > $ python3 ./examples/event-test.py --loop=asyncio --timeout=30 qemu:///session
> >
> > Thank you for this update. I tested it backported to 3.1.0 with xen:/// using
> > event-test.py and also with our own code. Looks good to me.
> >
> >
> > I encountered one small problem, which I believe is orthogonal to the patch series:
> >
> > On Tue, Apr 04, 2017 at 03:31:32PM +0100, Daniel P. Berrange wrote:
> > > diff --git a/examples/event-test.py b/examples/event-test.py
> > > index 751a140..ac9fbe1 100755
> > > --- a/examples/event-test.py
> > > +++ b/examples/event-test.py
> >
> > > + netcallbacks = []
> > > + netcallbacks.append(vc.networkEventRegisterAny(None, libvirt.VIR_NETWORK_EVENT_ID_LIFECYCLE, myNetworkEventLifecycleCallback, None))
> >
> > With vc = libvirt.open('xen:///') and with libvirt{,-python}-3.1.0 this line causes an
> > exception:
> >
> > libvirt.libvirtError: this function is not supported by the connection driver: virConnectNetworkEventRegisterAny
>
> That's because we don't have a network driver for XEN. Usually, for stateful
> drivers (those which require daemon to run, e.g. qemu, lxc, ..) they can use
> our own bridge driver for network (it creates a bridge to which domain NICs
> are plugged in). However, then we have bunch of stateless driver for which
> libvirt is just a wrapper over their APIs. For those we would need a
> separate network driver that does the API wrapping. And it looks like
> there's none for XEN. Not sure whether there's something to wrap though. I
> mean I've no idea what XEN networking capabilities are.
That doesn't make sense - the shared network driver should be operational
for Xen - it certainly worked in the past.
Regards,
Daniel
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