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

[Martin Melin]

On Wed, Jun 9, 2010 at 10:39, Tong Anh Quan <anhquankitty at gmail.com> wrote:

> 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 ---
>
>
>
The service definition you sent will execute the plugin with -h localhost,
but you show output with -h adtech100. Try running the plugin from the
command line with -h localhost and you will probably get the same error.

Regards
Martin Melin
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