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How to send extra info in nagios email

I have setup a nagios monitoring and configured check_http plugin to check for a specific URL in my application. That url returns either 'ok' or an error message.

My nagios sends me an email when it detects something not 'ok'. However what I am getting is only "HTTP CRITICAL - string not found". What I would like to get in email is the actual error message that is returned from my URL. I've tried using the verbose (-v) option. In command line it returns me a complete request including my error message, however nagios email would only send me the first line of the verbose response.

What I would like to get in nagios notification is instead of string not found to get the actual error message. Is there any way to do it using check_http (or may be some other) plugin or do I have to write my own?

Edit: So far I've been using $SERVICEOUTPUT$ in my email notification.

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Sergey Golovchenko Avatar asked May 26 '09 02:05

Sergey Golovchenko


1 Answers

There seems to be two service output macros you can use (from http://nagios.sourceforge.net/docs/3_0/macrolist.html ) in your service notification command definition:

  • $SERVICEOUTPUT$: The first line of text output from the last service check (i.e. "Ping OK").
  • $LONGSERVICEOUTPUT$: The full text output (aside from the first line) from the last service check.

If you aren't successful with those, I guess the easiest path is to write a wrapper for check_http that puts your error message on the first output line.

like image 57
Anders Lindahl Avatar answered Sep 23 '22 01:09

Anders Lindahl