[netmod] Re: 'mandatory' evaluated against obsolete nodes?

Mon, 02 Jun 2025 03:46:13 -0700

So, I suppose libyang should be changed so that it does not validate obsolete nodes. It should also treat these nodes as non-existing, without the option of creating them? Or perhaps this should be the default behavior with an option to parse/create and validate these nodes (current behavior)? 

Regards,
Michal

On 2. 6. 2025 11:09, Rob Wilton (rwilton) wrote:
Andy’s interpretation is also consistent with https://datatracker.ietf.org/doc/html/draft-ietf-netmod-yang-module-versioning-13#name-reporting-how-deprecated-an, although that is done as flags advertised by the server rather than updating the YANG language. 


Kind regards,
Rob

*From: *Reshad Rahman <[email protected]>
*Date: *Thursday, 29 May 2025 at 22:03
*To: *Andy Bierman <[email protected]>, Kent Watsen <[email protected]> *Cc: *Jason Sterne (Nokia) <[email protected]>, [email protected] <[email protected]> 
*Subject: *[netmod] Re: 'mandatory' evaluated against obsolete nodes?

+10.
On Thursday, May 29, 2025 at 03:20:44 PM EDT, Kent Watsen <[email protected]> wrote: 



    On May 29, 2025, at 11:01 AM, Andy Bierman <[email protected]> wrote:

We implement what makes sense.
- deprecated means MUST implement (same as current but with a 'going away' warning)
-  obsolete nodes are removed from the schema tree by the server so no validation is done on them and they are never implemented 

This behavior sounds proper.

Kent // contributor

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