[ClusterLabs] Antw: Re: Antw: Coming in pacemaker 2.0.2: XML output from tools

[Ulrich Windl]

>>> Christopher Lumens <clumens at redhat.com> schrieb am 18.04.2019 um 17:07 in
Nachricht <2044533839.17332252.1555600059522.JavaMail.zimbra at redhat.com>:
>>  As XML is only as good as ist structure, would you present the structure
of
>> such XML output?
> 
> If you enjoy reading XML that describes XML, you can check out the schema 
> here:
> 
>
https://github.com/ClusterLabs/pacemaker/blob/master/xml/api/stonith_admin‑1.
> 0.rng
> 
> Also note command‑output‑1.0.rng in the same directory.
> 
> However, I'll understand if you find that a little hard to follow.  I didn't

> really
> enjoy writing it either.  Here's a couple examples of the XML output.  You 
> can see
> the command lines used to generate them in the request= attribute up top.  
> I've
> also condensed the output a little bit to make it take up less space in an 
> email.
> What you see on the screen will have more spaces and newlines.  Note that 
> this is
> not the complete set of outputs from stonith_admin.
> 
> <pacemaker‑result api‑version="0.1" request="stonith_admin ‑I ‑‑output‑as
xml">
>   <list name="Installed fence devices" count="4">
>     <item name="device">fence_legacy</item>

Shouldn't that be ``type="device"''? The list item is of type "device"...

>     <item name="device">fence_virt</item>
>     <item name="device">fence_virtd</item>
>     <item name="device">fence_xvm</item>
>   </list>
>   <status code="0">OK</status>
> </pacemaker‑result>
> 
> <pacemaker‑result api‑version="0.1" request="stonith_admin ‑h test03
‑‑output‑as 
>xml">
>   <last‑fenced target="test03" when="Fri Apr 12 14:11:11 2019"/>
>   <status code="0">OK</status>
> </pacemaker‑result>
> 
> <pacemaker‑result api‑version="0.1" request="stonith_admin ‑l test03
‑‑output‑as 
>xml">
>   <list name="Registered fence devices" count="1">
>     <item name="device">cluster‑fencing</item>
>   </list>
>   <status code="0">OK</status>
> </pacemaker‑result>
> 
> <pacemaker‑result api‑version="0.1" request="stonith_admin ‑H * ‑‑output‑as
xml">
>   <list name="Fencing history" count="1">
>     <stonith‑event status="done" delegate="test02" action="turning off" 
> target="test03" client="stonith_admin.9056" origin="test01" when="Fri Apr 12

> 14:09:12 2019\n"/>                     
>   </list>

Here is a list with out <item>s. Why not <item type=event>?

Regards,
Ulrich


>   <status code="0">OK</status>
> </pacemaker‑result>
> 
>> Will textual status messages be replaced with status codes then? I feel
that
>> is important to process outpout independent of any localization.
> 
> I have no plans to completely replace status messages with status codes.
> However, stonith_admin at least should currently be doing a pretty good
> job of returning status codes for most every problem.  There's a pretty
> good set defined already:
> 
> https://github.com/ClusterLabs/pacemaker/blob/master/include/crm/common/resu

> lts.h#L83
> 
> We can always add more if necessary.
> 
> ‑ Chris
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