Re: [netconf] AUTH48 changes to RFC 8526 <draft-ietf-netconf-nmda-netconf-08>

Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Wed, 06 February 2019 21:49 UTC

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Date: Wed, 6 Feb 2019 22:49:47 +0100
From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>
To: Mahesh Jethanandani <mjethanandani@gmail.com>
CC: Netconf <netconf@ietf.org>
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Subject: Re: [netconf] AUTH48 changes to RFC 8526 <draft-ietf-netconf-nmda-netconf-08>
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Mahesh,

can we assume that this edit is accepted and we can resume the AUTH48
process?

/js

On Tue, Jan 29, 2019 at 10:54:54AM -0800, Mahesh Jethanandani wrote:
> NETCONF WG,
> 
> During the AUTH48 review of draft-ietf-netconf-nmda-netconf-08, the authors found a couple of things that needed further clarification. The edits are reflected in this e-mail using OLD: and NEW:. Since the changes are technical changes, we needed to make sure that the WG was ok with the changes. This starts a one week review period terminating next Tuesday, February 5 to provide any comments you might have. If providing comments, please be specific in the changes you would like to see, preferably using your own OLD: and NEW:. If no comments are received, it will be deemed that the changes are fine with the WG. The two set of changes are in the YANG model itself, and in Section 3.1.1.4.
> 
> In the YANG model:
> 
> OLD:
> 
>         choice origin-filters {
>           when 'derived-from-or-self(datastore, "ds:operational")';
>           if-feature "origin";
>           description
>             "Filters based on the 'origin' annotation.";
>           leaf-list origin-filter {
>             type or:origin-ref;
>             description
>               "Filter based on the 'origin' annotation.  A node matches
>                the filter if its 'origin' annotation is derived from or
>                equal to any of the given filter values.";
>           }
>           leaf-list negated-origin-filter {
>             type or:origin-ref;
>             description
>               "Filter based on the 'origin' annotation.  A node matches
>                the filter if its 'origin' annotation is not derived
>                from and not equal to any of the given filter values.";
>           }
>         }
> 
> NEW:
> 
>         choice origin-filters {
>           when 'derived-from-or-self(datastore, "ds:operational")';
>           if-feature origin;
>           description
>             "Filters configuration nodes based on the 'origin'
>              annotation.  Configuration nodes that do not have an
>              'origin' annotation are treated as if they have the
>              'origin' annotation 'or:unknown'.
> 
>              System state nodes are not affected by origin-filters and
>              thus not filtered.  Note that system state nodes can be
>              filtered with the 'config-filter' leaf.";
> 
>           leaf-list origin-filter {
>             type or:origin-ref;
>             description
>               "Filter based on the 'origin' annotation.  A
>                configuration node matches the filter if its 'origin'
>                annotation is derived from or equal to any of the given
>                filter values.";
>           }
>           leaf-list negated-origin-filter {
>             type or:origin-ref;
>             description
>               "Filter based on the 'origin' annotation.  A
>                configuration node matches the filter if its 'origin'
>                annotation is not derived from and not equal to any of
>                the given filter values.";
>           }
>         }
> 
> OLD:
> 
>         leaf config-filter {
>           type boolean;
>           description
>             "Filter for nodes with the given value for their
>              'config' property.  If this leaf is not present, all
>              nodes are selected.
> 
>              For example, when this leaf is set to 'true', only 'config
>              true' nodes are selected.";
>         }
> 
> NEW:
> 
>         leaf config-filter {
>           type boolean;
>           description
>             "Filter for nodes with the given value for their 'config'
>              property.  When this leaf is set to 'true', only 'config
>              true' nodes are selected and, when set to ‘false’, only
>              ‘config false’ nodes are selected.  If this leaf is not
>              present, no nodes are filtered.";
>         }
> 
> Add the following example to 3.1.1.4:
> 
>     In order to not retrieve any system state nodes, the
>     "config-filter" can be used:
> 
>     <rpc message-id="103"
>          xmlns="urn:ietf:params:xml:ns:netconf:base:1.0">
>       <get-data xmlns="urn:ietf:params:xml:ns:yang:ietf-netconf-nmda"
>                 xmlns:ds="urn:ietf:params:xml:ns:yang:ietf-datastores"
>                 xmlns:or="urn:ietf:params:xml:ns:yang:ietf-origin">
>         <datastore>ds:operational</datastore>
>         <subtree-filter>
>           <bgp xmlns="http://example.com/ns/bgp <http://example.com/ns/bgp>"/>
>         </subtree-filter>
>         <config-filter>true</config-filter>
>         <origin-filter>or:intended</origin-filter>
>         <origin-filter>or:system</origin-filter>
>         <with-origin/>
>       </get-data>
>     </rpc>
> 
>     <rpc-reply message-id="103"
>                xmlns="urn:ietf:params:xml:ns:netconf:base:1.0">
>       <data xmlns="urn:ietf:params:xml:ns:yang:ietf-netconf-nmda">
>         <bgp xmlns="http://example.com/ns/bgp <http://example.com/ns/bgp>"
>              xmlns:or="urn:ietf:params:xml:ns:yang:ietf-origin"
>              or:origin="or:intended">
>           <peer>
>             <name>2001:db8::2:3</name>
>             <local-port or:origin="or:system">60794</local-port>
>           </peer>
>         </bgp>
>       </data>
>     </rpc-reply>
> 
> Thanks.
> 
> Mahesh Jethanandani // as shepherd
> mjethanandani@gmail.com
> 
> 
> 

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Juergen Schoenwaelder           Jacobs University Bremen gGmbH
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