How to get stdout from event handlers into Nagios email messages?

Jim Richardson weaselkeeper at gmail.com
Wed Aug 16 01:54:20 CEST 2006


On 8/14/06, Kelly Alexander <kelly at skyrider.com> wrote:
>
>
>         Hi, I'm running Nagios 2.5 and my question is: is there any way
> to capture the stdout of an event handler and get it into the email
> Nagios sends out?
>
>         Right now I'm working with check_smtp and an event handler that
> runs via ssh and restarts sendmail on a system if it dies.  The check
> and handler both work, and I get two email notices.  The first CRITICAL
> when sendmail is found to be dead, and then a 2nd saying it's OK after
> the handler fires and restarts sendmail.
>
>         What I wanted to see was the output of the handler included at
> the end of the CRITICAL notice.  The sample handler scripts seem to
> include output, but how can you see that other than in a log?
>
>         I thought about making the handler itself send email that it's
> been run, but then I have to have every host able to send mail or ssh to
> a host that can send mail.  That would work in this example since it's
> sendmail I'm working with but my "real" checks will not be for sendmail
> nor on hosts that are email enabled nor that I want to have any sort of
> ssh access back into my network.



does the -v flag to  check_smtp do what you are asking? I am not 100% clear
on your needs here.
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