Re: [Nagios-users] 1st post to the group, basic q ... I think

Tue, 24 Feb 2009 16:13:50 -0800

ok, I am closer, but still unclear on the check_command and the define service part (I will try to read more 2nt) but I can run in manually as nagios from the cli;

./check_snmp_load.pl -H 1.1.1.1 -C community -w 3,3,2 -c 4,4,3 -T netsl
Load : 4.37 4.27 4.20 : 4.37 > 4 : CRITICAL 4.27 > 4 : CRITICAL 4.20 > 3 : CRITICAL

so that works.  Now in the command.cfg I have the following;

define command{
   command_name check_snmp_load_v1
   command_line $USER1$/check_snmp_load.pl -H $HOSTADDRESS$ $USER7$ -T $ARG1$ -w $ARG2$ -c $ARG3$ $ARG4$ -C community
}

and the server.cfg I have;

define service{
        use                             local-service         ; Name of service$
        host_name                       bigbird
        service_description             Current Load via SNMP
        check_command                   check_snmp_load_v1!netsl!3,3,2!4,4,3
 }

I have played numerous times, that is the latest, I am trying to understand where the $ARG variables are defined (and how).  I assume the $HOSTADDRESS is just by the server.cfg file, but not sure on $USER7$ as well as push the other $ARG$ one's, becuase as you see from the cli hand entering the info it works!

Can't wait till all this basic stuff is behind me!


Lee Azzarello wrote: 
On Mon, Feb 23, 2009 at 11:10 PM, Lance Raymond
<[email protected]> wrote:
  
I tried a few things after the _v1 but nagios kept failing on restart, so I
think I just need to figure out howto push the variables (such as hostIP ,
community name) to the check_command, right?  Since changing the service to
use the new command, nagios is now red with the following error; Return code
of 255 is out of bounds
    

There are good docs on how to pass arguments to a check command.
Here's my pattern to bring new service checks online without mucking
about with the running nagios process:

1) Find the plugin on the host running nagios
2) Run the plugin manually as the nagios user with the arguments you
would like. Inspect the output. Is it what you expect?
3) If it is what you expect, compose the check command and service
definition exactly as your manual run, only use macro substitution as
per the documentation
4) Save your configs and check them before loading the new objects.
nagios -v nagios.cfg will automate this check and inform you that
everything is okay before you "go live".
5) If everything's okay, reload the configuration and check the web
interface for the new service check status.

-lee

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Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA
-OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise
-Strategies to boost innovation and cut costs with open source participation
-Receive a $600 discount off the registration fee with the source code: SFAD
http://p.sf.net/sfu/XcvMzF8H
_______________________________________________
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[email protected]
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::: Please include Nagios version, plugin version (-v) and OS when reporting 
any issue. 
::: Messages without supporting info will risk being sent to /dev/null

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