Re: [netcf-devel] [libvirt] [RFC] Reporting host interface status/statistics via netcf/libvirt, and listing active vs. inactive interfaces

On Thu, Jun 18, 2009 at 10:50:10PM +0000, David Lutterkort wrote: > On Thu, 2009-06-18 at 20:48 +0100, Daniel P. Berrange wrote: > > On Thu, Jun 18, 2009 at 07:05:29PM +0100, Daniel P. Berrange wrote: > > > > > > I think this is a really unpleasant format to deal with. IMHO there should > > > not be nesting for <bridge>/<bond> tags. They should just refer to their > > > slave device by name. So that last example would be better shown as a set > > > of independant intefaces > > > > Rationalizing the reason why I don't like this format. The relationship of > > NICs essentially forms a DAG. This format is attempting to define a tree > > from the POV of a single leaf node. > > They do form a tree, with the exception of VLAN's: every other instance > of an interface can be contained/used by at most one other interface. We > need to treat VLAN's a little special, and allow them to reference > external (to the XML) interfaces. Trying to digest that long discussion maybe there is a solution: - Dan thin a pure tree representation is not sufficient to express all relationships between interfaces - Dave would like to preserve the ability run the checks on a single XML instance I think both can be accomodated but that requires a slight change of API, i.e. the XML will be able to define a set of interfaces. Basically we could do