[Libvir] Inconsistent networking between Xen & QEMU

[Daniel P. Berrange]

On Fri, Mar 09, 2007 at 04:20:58PM +0000, Mark McLoughlin wrote:
> On Fri, 2007-03-09 at 14:32 +0000, Daniel P. Berrange wrote:
> > On Fri, Mar 09, 2007 at 02:27:02PM +0000, Mark McLoughlin wrote:
> > > On Fri, 2007-03-09 at 03:03 +0000, Daniel P. Berrange wrote:
> 
> > > >  For the reverse Xen will tell us what bridge device a
> > > >     guest is using, and we can reverse lookup the corresponding network
> > > 
> > > 	I'm not sure why you want this?
> > 
> > Without this you be sending in
> > 
> >      <interface type='network'>
> >         <source network='foo'>
> >      </interface>
> > 
> > And be getting back
> > 
> >      <interface type='bridge'>
> >          <source bridge='virbr0'>
> >      </interface>
> > 
> > As far as is possible the XML used to create a VM should be identical
> > to that you get back from libvirt once it is running.
> 
> 	Absolutely, very good point.
> 
> 	There's a few places where we return the current running state rather
> than the initial configuration we provided, but this would be a
> particularly bad case.
> 
> 	It's a bit fugly, though - should libvirt do ListDomains(),
> GetBridgName() and match the bridge name, or should we have
> virNetworkLookupByBridge() and make qemud do the lookup itself?

I was actually thinking virNetworkLookupByBridge could be a very handy
API to have

Dan.
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