check_snmp_mem.pl

[Marc Powell]

On Mar 4, 2008, at 3:46 AM, Alex Dehaini wrote:

> Hi Guys,
>
> I am having difficulties using this plugin. I can't get it to work.  
> Can you guys help me please. What is syntax in the commands.cfg file  
> and in the service file of the cisco router I intend to monitor.  
> This is what I have
>
> commands.cfg
>
> define command{
>   command_name check_snmp_mem_v1
>   command_line $USER1$/check_snmp_mem.pl -H $HOSTADDRESS$ $USER7$  
> $ARG1$ -w $ARG2$ -c $ARG3$ $ARG4$
> }
>
> In my service definition file
>
> define service{
>         use                             core-rservice
>         host_name                  core
>         service_description      Memory
>         check_command          check_snmp_mem_v1!communitystring!-I! 
> 80!98
>         }
>
> This is the result I get in nagios web cgi
>
> Memory
> CRITICAL
> 03-04-2008 09:29:57
> 0d 14h 2m 0s
> 6/6
> (Return code of 127 is out of bounds - plugin may be missing)

return code 127 means the plugin doesn't exist. There are 3  
possibilities in your case --
	- $USER1$ isn't set to /usr/local/nagios/libexec in resource.cfg
	- resource.cfg isn't included in nagios.cfg as a resource_file
	- check_snmp_mem.pl relies on an external program whose path isn't  
fully qualified within the script.
>
>
> I reckon I am not doing something right because the plugin works  
> from the command line i.e.
>
> snmp:/usr/local/nagios/libexec# ./check_snmp_mem.pl -H 41.211.3.218 - 
> C communitystring -I -w 40% -c 90%
> Processor:24%,I/O:60% : 28% :  > 40 ; WARNING
>
this is not what you're telling nagios to run in a number of ways.

$USER1$/check_snmp_mem.pl -H $HOSTADDRESS$ $USER7$ $ARG1$ -w $ARG2$ -c  
$ARG3$ $ARG4$ yields --

/path/to/plugins/check_snmp_mem.pl -H <host_address> <some unknown  
value> communitystring -w -I -c 80 98

Based on your service definition and test run, you probably want the  
following for your command{} -

command_line $USER1$/check_snmp_mem.pl -H $HOSTADDRESS$ -C $ARG1$  
$ARG2$ -w $ARG4$ -c $ARG4$

--
Marc


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