Nagios ignoring Perl Shebang

[Stanley.Hopcroft at Dest.gov.au]

Dear Folks,

>-----Original Message-----
>From: nagios-users-admin at lists.sourceforge.net 
>--__--__--
>
>Message: 1
>Date: Thu, 26 Jan 2006 23:12:03 +0100
>From: Arno Lehmann <al at its-lehmann.de>
>To: nagios-users at lists.sourceforge.net
>Subject: Re: [Nagios-users] Nagios ignoring Perl Shebang - 
>Was: Notification  script problems.. How do I debug
>
>You've probably got a Nagios with embedded Perl running. There's a 
>section in the manual with some hints how to write your Perl 
>scripts in 
>that case.
>
>Arno

I don't think so. 

I haven't been following this thread so I don't have too much helpful to
say but embedded Perl doesn't care about the shebang.

If the plugin text contains the string '/bin/perl' - usually in the
shebang line, 
then the plugin is assumed to be Perl and is compiled by the Perl
compiler (called
by eval { }) once, and thereafter the in core op-codes executed without
recompilation.

In any case, all my plugins and all the standard plugins have a standard
shebang line
that works fine with embedded Perl.

The usual way to deal with _any_ misbehaving program that Nagios runs -
plugins, 
event handlers, the whole shebang - is to wrap the offender in a
reliable script that
captures the argv it was called with, invokes the program with those
args and then
logs args and stdout, stderr to somewhere convenient.

I know that this matter of wrappers has been discussed on this list
before
(my name and Andreas Ericsson).

Yours sincerely.


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