check_ganglia.py: UNKNOWN: Error while getting value "Host/value not found"?

[Tong Anh Quan]

Hi,

Follow instruction on ibm website, I want to use Nagios to alert on Ganglia
metrics, details below:

- ganglia-services.cfg:

define command {
    command_name check_ganglia
    command_line $USER1$/check_ganglia.py -h $HOSTNAME$ -m $ARG1$ -w $ARG2$
-c $ARG3$
}

define service {
    host_name            localhost
    service_description disk_free
    check_command         check_ganglia!disk_free!1700!1600
    max_check_attempts    5
    check_interval        1
    retry_interval        1
    check_period        24x7
    notification_interval    30
}

- Reload Nagios, wait a moment and I get the following status on the web:
*CHECKGANGLIA UNKNOWN: Error while getting value "Host/value not found" *

- I edited ganglia_host to hostname.

- Run this plugin from command line works fine:
*/usr/lib64/nagios/plugins/check_ganglia.py -h adtech100 -m disk_free -w
1700 -c 1600
CHECKGANGLIA OK: disk_free is 48.60
*
Can anyone help me?
-- 
--- Hạnh phúc là một ly Cafe và nhạc Trịnh ---
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