[ClusterLabs] best practice for scripting

d tbsky tbskyd at gmail.com
Tue Apr 13 19:47:14 EDT 2021


Ken Gaillot <kgaillot at redhat.com>
> FYI, the old and new status XML are nearly identical. The old XML's
> outermost element is
>
>  <crm_mon version="...">
>    ...
>  </crm_mon>
>
> while the new XML has
>
>  <pacemaker-result api-version="..." request="...">
>    ...
>    <status code="0" message="OK"/>
>  </pacemaker-result>
>
> As long as you're not looking at those particular elements, parsing the
> XML output is the same.
>
> The format is actually stable and selectable since Pacemaker 2.0.3:
> crm_mon --as-xml gets the old format, crm_mon --output-as=xml gets the
> new. pcs status xml has continued to use --as-xml, but will switch to
> --output-as=xml, thus Tomas's warning.

Thanks a lot!
the explanation is so clear that I have no excuse to rewrite my scripts.
I already use 'crm_mon' in my scripts, but many times parse 'pcs'
result is simpler so I just use it.
now I understand what to do.

Regards,
tbskyd


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