debugging eventhandler via nrpe

[quanta]

 Check your nagios.log file. Why didn't you put the argument (-t 200) to
the remote host, in nrpe.cfg?


On 11/12/2010 01:21 PM, Assaf Flatto wrote:
>   Hello all
>
> I am trying to implement an event handler on a remote machine , and 
> having a problem with the way the status arguments are transferred over 
> the NRPE channel .
>
> My config is as such :
>
> define service{
> <snip>
>   max_check_attempts              3
>   event_handler                   
> check_nrpe_nonssl!solr-restart!$SERVICESTATE$ $SERVICESTATETYPE$ 
> $SERVICEATTEMPT$!-t 200
>
> <snip>
> }
>
> On the remote server the nrpe was compiled with --allow-command-args  
> ,and in  the nrpe.cfg i have the following parameters ?
>
> dont_blame_nrpe=1
> debug=1
> command_timeout=300
> # Event Handler
> command[solr-restart]=/usr/local/nagios/libexec/eventhandlers/restart-solr.sh
>
>
> the event handler script is :
> #!/bin/bash
> #
> # Event handler script for restarting the web server on the local machine
> #
> # Note: This script will only restart the web server if the service is
> # retried 3 times (in a "soft" state) or if the web service somehow
> # manages to fall into a "hard" error state.
> #
>
> case "$1" in
> OK)
>   # The service just came back up, so don't do anything...
>   ;;
> WARNING)
>   ;;
> UNKNOWN)
>   ;;
> CRITICAL)
>   case "$2" in
>   SOFT)
>
>   case "$3" in
>   2)
>   echo "Too early - not restarting yet"
>   exit 0
>   ;;
>      esac
>
>   case "$3" in
>   3)
>   echo "Too early - not restarting yet"
>   exit 0
>   ;;
>   esac
>   ;;
>   HARD)
> cd /usr/local/nagios/libexec/eventhandlers/
> curl -s -v -u *****:******* --request PUT -d @solr7down.xml http://LB
> sleep 5
> sudo /etc/init.d/jboss stop
>
> sleep 60
> sudo /etc/init.d/jboss start
> sleep 15
> curl -s -v -u *****:****** --request PUT -d @solr7up.xml http://LB
> sleep 3
> echo " Event handler restarted the solr service"
>   ;;
>   esac
>   ;;
> esac
> echo "Event handler restarted the solr service"
> exit 0
>
> I can see in the syslog that the script is initiated :
> Nov 11 18:15:44 gbc1-solr-07 nrpe[29687]: Host address is in allowed_hosts
> Nov 11 18:15:44 gbc1-solr-07 nrpe[29687]: Handling the connection...
> Nov 11 18:15:44 gbc1-solr-07 nrpe[29687]: Host is asking for command 
> 'solr-restart' to be run...
> Nov 11 18:15:44 gbc1-solr-07 nrpe[29687]: Running command: 
> /usr/local/nagios/libexec/eventhandlers/restart-solr.sh
> Nov 11 18:15:44 gbc1-solr-07 nrpe[29687]: Command completed with return 
> code 0 and output:
>
> But the event handler is not preforming the tasks it is meant to .
>
>
> when i initiate the command manually
>
> ~/libexec/check_nrpe -H <host> -n -c solr-restart -a " Critical HARD 3" 
> -t 200
> it is running fine .
> I know it is an issue with the transfer of the arguments to the nrpe - 
> but i am missing something to make sure they are parsed and sent properly .
>
> Anyone can point me to the sign in front of me i am blindingly missing ?
>
> Thanks
>
>

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