Nagios Support Forum

When you're not dumping STDERR to /dev/null does your script/binary
output anything useful? Try enabling some verbosity inside of it to see
where/why it's failing. It would be most useful to anyone else as well.

/eli

Billy Liang wrote:
> Hello,
>
> I am a newbie to the Nagios community. I developed an event handler for
> Nagios, but somehow it doesn't seem to be working. Here's the command
> definition for the event handler:
>
> define command {
> command_name fix_taosvcs
> command_line /opt/nagios/libexec/wpj/tao_event_handler
> $SERVICESTATE$ $SERVICESTATETYPE$ $SERVICEATTEMPT$ $SERVICEOUTPUT$
> 2>/dev/null
> }
>
> If I ran the program separately such as the following, it works fine:
> /opt/nagios/libexec/wpj/tao_event_handle CRITICAL HARD 4 "CRITICAL Level
> 0 - 0 warning[] - 1 critical[PbxCmdMgr/0]"
> I tried running the program as nagios user, and it works. So I don't
> think it's permission problem. When I looked at the nagios log, it seems
> to have called the event handler. Following is the log:
>
> SERVICE ALERT: linux05;CHKTAO;CRITICAL;HARD;4;CRITICAL: Level 2 - 0
> warning[] 1 critical[PbxCmdMgr/0]
> [1134130290] SERVICE EVENT HANDLER:
> linux05;CHKTAO;CRITICAL;HARD;4;fix_taosvcs
>
> However when the program run under Nagios as event handler, it doesn't
> do anything. It's very perplexing. I am running Nagios 2.0b3, I am
> wondering if this version is too old for some of the macro that I used.
> In order for the event handler to do anything meaningful, it needs to
> have access to the content of $SERVICEOUTPUT$.
>
> Any advise on how to debug this problem will be greatly appreciated.
> Thank you.
>
> Billy
>
>
>
>
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Original poster: [email protected]