Nagios Support Forum

benjaminsmith wrote:Hi @ShlomiUni,

I believe the event handler feature would work very well for you in this application. When a problem CPU state arises, you can call your Powershell script on the remote host and have it generate the list of processes and either save those in a log file or send off an email.

Check out the following guide to get started with Event Handlers:
Introduction to Event Handlers

And the following KB article explains how to run Powershell scripts with NCPA.
https://support.nagios.com/kb/article/n ... a-722.html

Take a look at those docs, and let me know if you have any questions.

Benjamin

#!/bin/bash
SERVICESTATE=$1
SERVICESTATETYPE=$2
if [[ "$SERVICESTATETYPE" == "HARD" && "$SERVICESTATE" == "CRITICAL" ]]; then
        /usr/local/nagios/libexec/check_ncpa.py -H myhostname.local -t mytoken -P 5693 -M 'plugins/ProcessList-Export.ps1'
 exit 0
else
 exit 0
fi

Thank you so much, It helped me and it's working !

One question, Is there a macro for "Current Check:" ?

$SERVICESTATE$ A string indicating the current state of the service ("OK", "WARNING", "UNKNOWN", or "CRITICAL").

The $SERVICESTATE$ is the current check result.

$SERVICESTATE$ A string indicating the current state of the service ("OK", "WARNING", "UNKNOWN", or "CRITICAL").

However, Event handlers can fire on both soft and hard state changes, so you can broaden this to execute on soft state types as well. Let me know if that answers your questions or not. It sounds like you would like to log this more frequently.

#!/bin/bash
SERVICESTATE=$1
SERVICESTATETYPE=$2
SERVICESTATE=$3
if [[ "$SERVICESTATE" == "CRITICAL" ]]; then
        /usr/local/nagios/libexec/check_ncpa.py -H myhostname.local -t mytoken -P 5693 -M 'plugins/ProcessList-Export.ps1'
 exit 0
else
 exit 0
fi

I only want it to activate the event handler when the service is in critical state and Current Check is 1 of 1, Is that possible?
Or just limit the event handler for 1 command in period of time some how..

benjaminsmith wrote:Hi,

I only want it to activate the event handler when the service is in critical state and Current Check is 1 of 1, Is that possible?
Or just limit the event handler for 1 command in period of time some how..

There's not a macro for the counter that used for determining hard or soft state types, but there are macros for the last state and the current state type, so you could build in some logic checks to avoid executing the script it the service is changing state types or the last check was critical.

Let me know if that's going to work.

#!/bin/bash
SERVICESTATE=$1
SERVICESTATETYPE=$2

if [[ "$SERVICESTATETYPE" == "HARD" && "$SERVICESTATE" == "CRITICAL" ]]; then
        /usr/local/nagios/libexec/check_ncpa.py -H myhostname.local -t mytoken -P 5693 -M 'plugins/ProcessList-Export.ps1'
exit 0
else
exit 0
fi

Last question, Is it possible to use $HOSTADDRESS$ instead of typing my actual hostname here: