[one-users] Ganglia integration

[Valentin Bud]

Hello World,

On Friday, December 14, 2012, Olivier Sallou wrote:

>
> Le 12/14/12 9:32 AM, Duverne, Cyrille a écrit :
>
> Hello Olivier,
>
> Thanks for this feedback.
>
> My request wasn't clear enough, I already monitor my hosts and I see the
> OPENNEBULA-VMS-INFORMATION variable in Ganglia, but I don't know how to use
> it to provide graphs on the VM usage.
>
> Will the VM information be displayed in Sunstone ? In Ganglia ?
>
> OPENNEBULA-VMS-INFORMATION  provides global VM status information to
> opennebula. Some graphs are available in Sunstone to monitor the VM help
> with this data (when you click on your vm in suntone)
>
> If you want Ganglia monitoring of your VM, you have to setup gmond in the
> VM itself.
>

Or one can use Host sFlow [1] to gather CPU, RAM and network statistics.
There is a blog post [2] describing the installation procedure. Works with
Ganglia 3.2+. If you need other metrics you'd have to install gmond inside
the VM. Enjoy.

[1]: http://host-sflow.sourceforge.net/
[2]: http://blog.sflow.com/2012/01/using-ganglia-to-monitor-virtual.html

v

>
> Olivier
>
>
> Any help is welcome on this.
>
> Cheers
> Cyrille
>
>
> Jeudi 13/12/2012 à 17:31 Olivier Sallou a écrit:
>
>
> Le 12/13/12 3:27 PM, Duverne, Cyrille a écrit :
>
> Dear mailing-list, (these days it's like saying "dear Santa," [image: :)])
>
> I've set up a ganglia environment in my lab and can see the monitoring
> information for my hosts.
>
> I've followed the manual about ganglia integration and updated the nodes,
> updated oned.conf, created the cron as follow :
>
> */1 * * * * oneadmin gmetric -n OPENNEBULA_VMS_INFORMATION -t string -v
> `/var/lib/one/remotes/vmm/kvm/poll --kvm`
>
> I've updated the probe file to point to my central ganglia server.
>
> But I can't see anything on Ganglia web.
>
> I might be missing something on the ganglia server side... but what ?
> Where are the VM information defines for Ganglia to display them ?
>
> Ganglia does not provide graphics for the VMs with opennebula.  VM
> information are stored in a variable accessible for each  host  with name OPENNEBULA_VMS_INFORMATION
> (base64 encoded).
> Then opennebula will trigger ganglia to get the status of the VMs running
> on this host.
>
> OpenNebula uses Ganglia to extract the information, and not the contrary
>
> If you want to monitor your host with Ganglia you can use standard metrics
> provided by gmetric (cpu,ram,...)
>
> Olivier
>
>
> Thanks in advance for your feedback
> Cheers
> Cyrille
>
>
>
>
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>
>
> --
> Olivier Sallou
> IRISA / University of Rennes 1
> Campus de Beaulieu, 35000 RENNES - FRANCE
> Tel: 02.99.84.71.95
>
> gpg key id: 4096R/326D8438  (keyring.debian.org)
> Key fingerprint = 5FB4 6F83 D3B9 5204 6335  D26D 78DC 68DB 326D 8438
>
>
>
> --
> Olivier Sallou
> IRISA / University of Rennes 1
> Campus de Beaulieu, 35000 RENNES - FRANCE
> Tel: 02.99.84.71.95
>
> gpg key id: 4096R/326D8438  (keyring.debian.org)
> Key fingerprint = 5FB4 6F83 D3B9 5204 6335  D26D 78DC 68DB 326D 8438
>
>
>
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