On Wed, Nov 13, 2024 at 8:35 AM Kent Watsen <[email protected]> wrote:
> Hi Shiya, > > On Nov 13, 2024, at 10:09 AM, Shiya Ashraf (Nokia) <shiya.ashraf= > [email protected]> wrote: > > Hi Kent, > > Sorry but I miss the point you made with the below statement: > > “*As a contributor, I feel that the concern is unwarranted. My > belief/hope is that templates are not themselves validated when defined, > but rather only the fully expanded/flattened results of templates are > validated.*“ > > Shiya>> For mandatories, the problem that was highlighted was more about > following the DRY approach for templates. For instance, in the below > example copied from #3, slide 6, assume if the ‘mtu’ was defined as a > mandatory data node with in a non-presence container, you will be forced to > add it anyway for each interface in the below example and thus loosing the > advantage of templating for these special data nodes. Isn’t it? > > > I don’t understand your comment, but I will state my worldview (as a > contributor) which is: > > - any data model can be templatized (including already published YANG > modules) > - these data models may contain `mandatory` and `default` statements > > - templates are NOT themselves ever validated > - only the post-expanded/flattened result is validated (e.g., in > <intended>) > > Agreed. This is easily accomplished by using an 'anydata' wrapper for the template content. <template> <name>template1</name> <target>/ietf-interfaces:interfaces/interface</target> <data> <interface> .... </interface> <data> </template> This solution has been in deployment for over 7 years. https://github.com/YumaWorks/yumapro-yang/blob/main/yumaworks/yumaworks-templates.yang IMO the WG should try to support more than the basics (like ranges and conditional logic). > FWIW, I was referring to Slide 8 of Template Idea #1. > > K. > > Andy > > > <interfaces> > <interface yt:apply-templates=“set_physical_mtu”> > <name>GigabitEthernet0/0/0/0</name> > </interface> > <interface> > <name>GigabitEthernet0/0/0/1</name> > </interface> > </interfaces> > > Thanks, > Shiya > > > > _______________________________________________ > netmod mailing list -- [email protected] > To unsubscribe send an email to [email protected] >
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