On 06/25/2013 11:58 AM, Itamar Heim wrote:
On 06/25/2013 07:54 AM, Deepthi Dharwar wrote:
> I am using the ovirt-python-sdk to figure out if the host is idle or
> not. The way to determine if the host is idle at a given instant is
> finding out the number of VMs running on it. If the number of VMs = 0
> implies host is idle.
adding michael for the rest of the question, but please note to check
for SPM role of a host before assuming it is idle.
Yes, that is essential. Thanks for pointing it out.
also, may i ask what you are trying to accomplish (it sounds like a
power saving policy)?
Yes, I was looking to tweak the power saving policy to switch off
hosts that have no VMs running on them. Looks like doing it within the
ovirt-engine is better option than through scripts and SDK.
> I was exploring the python sdk to figure out Host-VMs mapping i.e What
> are the VMs running on the different host.
> Looks like the only way to find this, is to query each VM in /api/vms
> list to get the host on which it is running.
> Is this the right way ? Is there no direct query or REST API to list
> the VMs running on a given host at that instant.
> I was looking to get the data center hierarchy structure.
> clusters in each data center
> Hosts in each cluster
> VMs on each host.
> This kind of mapping as seen on the GUI. Is there any way to obtain
> the same from the ovirt-python-sdk ?
> With this information, this would help me write scripts to turn-off my
> hosts if idle automatically and power them on as required.
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