Support quoting vertical bar (|) character in plugin output

[Andreas Ericsson]

On 03/26/2013 07:09 PM, Jochen Bern wrote:
> On 26.03.2013 18:23, Jim Winkle wrote:
>> It's possible for a plugin to have a vertical bar (|) character in its
>> regular output.
> 
> That depends a bit on what your definition of "(plugin) output" is.
> Plugins certainly *can* shove pipe symbols out their stdout/stderr, but
> (lacking any defined escaping) they'll never arrive in what Nagios
> considers the "Plugin Output" (while extraneous pipes *will* appear in
> the Performance Data).
> 
>> For example, I've seen cases where check_logfiles does this [...]
>> It seems that (and correct me if I'm wrong) Nagios doesn't support a
>> way to escape '|' in plugin output.
> 
> That's correct as of 3.x. (Somebody please speak up if the upcoming 4.x
> is going to change that.)
> 

Nothing has changed in that regard for Nagios 4.

>> If this is true, I'll request this enhancement on tracker.nagios.org.
> 
> IIUC API changes wouldn't get applied until at least 4.1, so you might
> want to simultaneously ask Gerhard for a fix in the plugin for the time
> being.
> 

It's not really an API change to allow random characters to be escaped
in plugin output.

OTOH, perfdata should've been on a line of its own from the start,
prefixed with 'perfdata=' instead of a magic character put in the
plugin output.

-- 
Andreas Ericsson                   andreas.ericsson at op5.se
OP5 AB                             www.op5.se
Tel: +46 8-230225                  Fax: +46 8-230231

Considering the successes of the wars on alcohol, poverty, drugs and
terror, I think we should give some serious thought to declaring war
on peace.

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