[collectd] mapping read plugin outputs onto thresholds

[Dave Cottlehuber]

bump - how to map plugin outputs to thresholds? any ideas?

On Thu, 19 Jan 2017, at 08:10, Dave Cottlehuber wrote:
> Ahoy
> 
> I have this working for load, cpu and these sorts of things already
> since quite a few years, but can't quite find the incantation for curl. 
> 
> I'm trying to trigger a threshold & subsequent notification on result
> from a curl plugin response code - basically < 300 is ok, 300+ is fail.
> I have a large number of these curl results from a bunch of APIs.
> 
> I don't understand what values Type & DataSource should take, and how
> they related to e.g. Plugin, Page, & response_time/response_code or
> other matched values from collectd's read plugins in general. Any tips?
> 
> This is the value I get from the curl plugin (via csv/log output)
> 
> PUTVAL continuity.skunkwerks.at/curl-frontend/response_code
> interval=1.000 1484777513.551:200.000000
> 
> here's my collectd.conf snippet:
> 
> ##############################################################################
> # Threshold configuration
> <Plugin "curl">
>   <Page "frontend">
>     URL "https://wintermute.skunkwerks.at/"
>     Timeout 2000
>     MeasureResponseTime false
>     MeasureResponseCode true
>   </Page>
> </Plugin>
> 
> <Plugin "threshold">
>  <Plugin "curl">
>   <Type "curl-frontend">
>     DataSource "response_code"
>     WarningMax 299
>     Persist         true
>     PersistOK       true
>     Interesting     true
>   </Type>
>  </Type>
> </Plugin>
> 
> collectd 5.6.0 FreeBSD amd64 11.0Rp7 with a few extra plugins enabled
> 
> A+
> Dave
> 
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-- 
—
  Dave Cottlehuber
  +43 67 67 22 44 78
  Managing Director
  Skunkwerks, GmbH
  http://skunkwerks.at/
  ATU70126204
  Firmenbuch 410811i