Re: [netmod] Adding system configuration to running

[Andy Bierman <[e-mail]>]

On Thu, Sep 14, 2017 at 10:37 PM, Martin Bjorklund <[e-mail]> wrote:

> Andy Bierman <[e-mail]> wrote:
> > On Thu, Sep 14, 2017 at 1:30 PM, Kent Watsen <[e-mail]>
> wrote:
> > > > Maybe it is too early for NMDA to be making lots of rules about how
> > >
> > > > YANG works with new (and unimplemented) datastores.
> > >
> > >
> > >
> > > Juniper has the equivalent of <intended> already.  I think others said
> > > they had
> > >
> > > something like it as well.
>
> Yes, we have that as well.  (No template expansion, but removal of
> inactive nodes).
>
> > If I can only do YANG validation on expanded templates in <intended>,
> does
> > that mean
> > it is impossible to do YANG validation on the templates themselves in
> > <running>?
> > The template subtree can only use YANG constraints on external structures
> > in <intended>
> > and not refer to itself in anyway (in <running>)?
>
> Note that the architecture draft does not specify any templating
> mechanism, it merely points out that templating is a mechanism that
> _can_ influence intended.  When/if such a mechanism is designed, it
> needs to work out all these details.
>
>
Doesn't it say YANG validation is done on <intended> and not on <running>?
If so, then how are YANG validation statements inside the template objects
evaluated?
Do they exist in both datastores, yet YANG validation is done in only 1
datastore?



>
> /martin
>
>
Andy


>
> >
> > The RD draft sure has a lot of normative details for something that does
> > not use RFC 2119
> > terminology at all. I didn't know a Standards Track document could omit
> > these terms.
> > Architecture documents are usually Informational.
> >
> > IMO the RD draft should not mention YANG or XPath at all.
> > That should be moved to an update to RFC 7950.
> > Those parts need more work anyway. The ARCH can move forward
> > without any dependence on YANG details.
> >
> >
> >
> > > Kent // contributor
> > >
> > >
> > >
> > >
> > >
> >
> > Andy
>