Re: [yang-doctors] Question about yang2dsdl error.

Christian Hopps <chopps@chopps.org> Fri, 08 November 2019 12:36 UTC

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From: Christian Hopps <chopps@chopps.org>
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Date: Fri, 8 Nov 2019 07:36:35 -0500
Cc: Christian Hopps <chopps@chopps.org>, YANG Doctors <yang-doctors@ietf.org>
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To: Ladislav Lhotka <lhotka@nic.cz>
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Subject: Re: [yang-doctors] Question about yang2dsdl error.
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> On Nov 8, 2019, at 6:46 AM, Ladislav Lhotka <lhotka@nic.cz>; wrote:
> 
> Hi Chris,
> 
> On Fri, 2019-11-08 at 06:29 -0500, Christian Hopps wrote:
>> Hi yang-doctors,
>> 
>> I've got an example which yang2dsdl complains about (in it's expected
>> unhelpful way :)
> 
> The error messages are produced by xmllint, and their unhelpfulness is
> notorious.  Apart from that, xmllint RELAX NG validator is known to have other
> bugs and gaps.
> 
> Have you tried to use Jing [1] for RELAX NG validation (the '-j' option to
> yang2dsdl)?

That doesn't seem to pick up the augmentation..

(default) [07:33:43 dak:~/w/reverse-metric-yang]$ yang2dsdl -x -j -t config -d .validate -v test-xml-example2.xml ietf-routing@2016-11-04.yang ietf-isis@2019-10-15.yang
== Generating RELAX NG schema '.validate/ietf-routing_ietf-isis-config.rng'
Done.

== Generating Schematron schema '.validate/ietf-routing_ietf-isis-config.sch'
Done.

== Generating DSRL schema '.validate/ietf-routing_ietf-isis-config.dsrl'
Done.

== Validating grammar and datatypes ...
[warning] /usr/bin/jing: Unable to locate avalon-framework in /usr/share/java
[warning] /usr/bin/jing: Unable to locate batik-all in /usr/share/java
/home/chopps/net/w/reverse-metric-yang/test-xml-example2.xml:8:16: error: character content of element "type" invalid; must be a QName equal to "direct", "routing-protocol" or "static"

Thanks,
Chris.


> Lada
> 
> [1] https://relaxng.org/jclark/jing.html
> 
>> In trying to figure out what was wrong, I gave yanglint a try, and it said the
>> example was fine (no errors no output with --strict). Can anyone shed some
>> light on what might be the issue. I'd really like yang2dsdl to pass here as
>> well.
>> 
>> Example:
>> 
>> (default) [06:23:07 dak:~/w/reverse-metric-yang]$ cat test-xml-example2.xml
>> <config xmlns="urn:ietf:params:xml:ns:netconf:base:1.0">
>>  <routing
>>      xmlns="urn:ietf:params:xml:ns:yang:ietf-routing">
>>    <control-plane-protocols>
>>      <control-plane-protocol>
>>        <type xmlns:isis="urn:ietf:params:xml:ns:yang:ietf-isis">
>>          isis:isis
>>        </type>
>>        <name>i0</name>
>>        <isis xmlns="urn:ietf:params:xml:ns:yang:ietf-isis">
>>          <area-address>00</area-address>
>>        </isis>
>>      </control-plane-protocol>
>>    </control-plane-protocols>
>>  </routing>
>> </config>
>> 
>> yang2dsdl Error:
>> 
>> (default) [06:23:05 dak:~/w/reverse-metric-yang]$ yang2dsdl -x -t config -d
>> .validate -v test-xml-example2.xml ietf-routing@2016-11-04.yang 
>> ietf-isis@2019-10-15.yang
>> == Generating RELAX NG schema '.validate/ietf-routing_ietf-isis-config.rng'
>> Done.
>> 
>> == Generating Schematron schema '.validate/ietf-routing_ietf-isis-config.sch'
>> Done.
>> 
>> == Generating DSRL schema '.validate/ietf-routing_ietf-isis-config.dsrl'
>> Done.
>> 
>> == Validating grammar and datatypes ...
>> Relax-NG validity error : Extra element control-plane-protocols in interleave
>> test-xml-example2.xml:4: element control-plane-protocols: Relax-NG validity
>> error : Element routing failed to validate content
>> test-xml-example2.xml fails to validate
>> 
>> Thanks,
>> Chris.
>> _______________________________________________
>> yang-doctors mailing list
>> yang-doctors@ietf.org
>> https://www.ietf.org/mailman/listinfo/yang-doctors
> -- 
> Ladislav Lhotka
> Head, CZ.NIC Labs
> PGP Key ID: 0xB8F92B08A9F76C67