Hi Bart,

In your idea, am I correct to assume that only the client loads (base-class, augment-base, and base-deviation), and the server only knows about (base-class and augment-base)?

Further, am I right to assume that the server would still support clients configuring base even if they don't know about augment-base? I.e. from a server perspective, leaf d isn't actually mandatory.

Thanks,
Rob


On 28/11/2016 11:28, Bogaert, Bart (Nokia - BE) wrote:
Assume the following.

module base-class {
    prefix base;
    container base {
       leaf a;
       leaf b;
       leaf c;
    }
}

module augment-base {
   prefix aug;
   import base-class { prefix base; }

   augment '/base:base'{
     leaf d;
   }
}

module base-deviation {
   prefix base-dev;

   deviation "/base:base" {
     deviate add {
       must "./aug:d" {
         error-message "A value for d must be present when configuring
augmented base";
       }
     }
   }

Best regards - Vriendelijke groeten,
Bart Bogaert
Broadband-Access System Architect Data
Contact number +32 3 2408310 (+32 477 673952)

NOKIA
Copernicuslaan 50, 2018 Antwerp, Belgium
Fortis 220-0002334-42
VAT BE 0404 621 642 Register of Legal Entities Antwerp

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-----Original Message-----
From: Juergen Schoenwaelder [mailto:[email protected]]
Sent: 28 November 2016 12:09
To: Bogaert, Bart (Nokia - BE) <[email protected]>
Cc: [email protected]
Subject: Re: [netmod] Mandatory leafs via augment

On Mon, Nov 28, 2016 at 10:42:42AM +0000, Bogaert, Bart (Nokia - BE) wrote:
How can we achieve the same if no when-clause can be constructed but
we still would like to have a leaf to be mandatory.  One way we
thought of achieving this is

-          have a YANG module defining the augmented data

-          construct a must statement on the object being augmented where
we
check that something needs to be present that is added via a deviation.

An example may help here...

/js



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