Alerts based on performance data

[Marc Powell]

> -----Original Message-----
> From: nagios-users-bounces at lists.sourceforge.net [mailto:nagios-users-
> bounces at lists.sourceforge.net] On Behalf Of Mohr James
> Sent: Wednesday, February 13, 2008 11:11 AM
> To: nagios-users at lists.sourceforge.net
> Subject: [Nagios-users] Alerts based on performance data
> 
> Hi All!
> 
> We are currently running Nagios 2.5 and are planning the move to 3.0
> within the next couple of weeks.
> 
> We have a monitor that checks whether specific web sites are reachable
> and the page contains specific text. The Nagios machine does not have
> internet access, so we are running check_http remotely. There is a
Perl
> wrapper which immediately prior to running check_http determines the


> 
> The success or failure is returned to Nagios along with the response
> time as performance data. What we want to do now is generate an alert
> based on the perfdata (that is the web page response time). I don't
want


> The simplest way I can see doing that is to define a
> service_perfdata_command that compares the service-perfdata to a table
> and if it is above the predefined value in sends and NSCA message to
the
> service (e.g. "response time too long" or whatever). However, I don't
> want to reinvent the wheel if someone has done this kind of thing
> before.

Why aren't these workable? 

check_http --help

-w, --warning=DOUBLE
    Response time to result in warning status (seconds)
 -c, --critical=DOUBLE
    Response time to result in critical status (seconds)

Or, you already have a wrapper that's intercepting the check_http
results, doing something with them and sending them on to nagios. Why
not just include that rather simple logic in the wrapper? If the time is
too long, return CRITICAL to nagios along with appropriate output
otherwise return the results reported by check_http. 

--
Marc 

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