[Nagiosplug-help] Xen VM Monitor plugin problem

[Hydropone]

Thomas Guyot-Sionnest a écrit :
> On 08/02/08 10:39 AM, Hydropone wrote:
>> Hi all,
> 
>> I just found this cool plugin :
>> http://www.novell.com/communities/node/2640/xen-virtual-machine-monitor-plugin-nagios
> 
> 
>> to monitor VM on a Xen Host.
> 
>> I followed the readme (and add user "nagios" to /etc/sudoers) ...
> 
>> The plugin seems to work correctly on the Xen Host :
> 
>> [root at host plugins]# su nagios
>> sh-3.1$ /usr/lib64/nagios/plugins/check_xen -w 0 -c 0
>> OK: Xen Hypervisor "host" is running Xen VMs: testvm
> 
>> But on the nagios server, it report a wrong result :
> 
>> root at nagios~ #/usr/lib/nagios/plugins/check_nrpe -H host -c check_xen
>> Critical Xen VMs Usage - Total NB: 0 - detected VMs:
> 
>> What did i miss ?
> 
> Make sure:
> 
> 1. Check_nrpe is runnig as the nagios user (it the user even created?)

Yes :

ps aux | grep nrpe

nagios   21896  0.0  0.1  39876  1040 ?  Ss Feb08 0:00 nrpe -c
/etc/nagios/nrpe.cfg -d

and

# cat /etc/passwd | grep nagios
nagios:x:100:101:nagios:/var/log/nagios:/bin/sh

> 2. The nrpe check definition includes the sudo command

Yes...

> RUNNING=$(sudo /usr/sbin/xm list | awk '!/[DN]/  {print $1 }')
> NBVMS=$(echo $RUNNING | wc -w)
> HNAME=$(hostname)


> 3. Running the exact command (including sudo) as the nagios user works.
> 

Yes it works :

> #su nagios
> sh-3.1$ sudo xm list
> Name                                      ID Mem(MiB) VCPUs State   Time(s)
> Domain-0                                   0     1013     2 r-----   3150.8
> testvm                                     2     2999     2 -b----  10267.9

Thanks for your help...

--
H.