NRPE Parameter Problems

[nigel.leach at uk.bnpparibas.com]

I'm having problem with NRPE parameters while testing a new Nagios 
installation.

Header Node is running RHEL AS4 U6, and Nagios v3.2.0

Client is running RHEL AS4 U4, and NRPE v2.12 (compiled with command 
arguments, and with dont_blame_nrpe=1)

Standard hardcoded nrpe disk checks work fine, for example;

Service definition on Header Node - 

        check_nrpe!check_home

Relates to the following in nrpe.cfg on the Client -

        command[check_home]=/usr/local/nagios/libexec/check_disk -w 20% -c 
10% -p /home

and returns -

        DISK OK - free space: /home 1878 MB (98% inode=99%);| 
/home=34MB;1612;1813;0;2015

Using variables, I can get the correct results from the command line;

Service definition on Header Node - 

        check_nrpe!check_adisk!20%!10%!/opt

Relates to the following in nrpe.cfg on the Client -

        command[check_adisk]=/usr/local/nagios/libexec/check_disk -w 
$ARG1$ -c $ARG2$ -p $ARG3$

and I can enter this on the Header Node -

        #../../libexec/check_nrpe -H <client> -c check_adisk -a 20 10 /opt
        DISK OK - free space: /opt 432 MB (45% inode=97%);| 
/opt=524MB;987;997;0;1007

However, this does not work within Nagios GUI, all the parameters passed 
are blank. I see this in syslog on the Client -

        Added command[check_adisk]=/usr/local/nagios/libexec/check_disk-w 
$ARG1$ -c $ARG2$ -p $ARG3$
        Handling the connection...
        Host is asking for command \'check_adisk\' to be run...
        >>>>>Running command: /usr/local/nagios/libexec/check_disk -w  -c 
-p
        Command completed with return code 3 and output: Unknown argument 
Usage: check_disk -w limit -c limit [-W limit] [-K limit] {-p path | -x 
device} [-C] [-E] [-e] [-g group ] [-k] [-l] [-M] [-m] [-R path ] [-r path 
] [-t timeout] [-u unit] [-v] [-X type]
        Return Code: 3, Output: Unknown argument Usage: check_disk -w 
limit -c limit [-W limit] [-K limit] {-p path | -x device} [-C] [-E] [-e] 
[-g group ] [-k] [-l] [-M] [-m] [-R path ] [-r path ] [-t timeout] [-u 
unit] [-v] [-X type]

I'm conscious that I'm probably doing something very trivial wrong, but 
can't get my head around why this should work on the command line, and not 
via the GUI.

Any help much appreciated.

Regards
Nigel

Nigel Leach
Grid Engineer | Front Office Risk Systems | BNP Paribas 
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