[ovirt-users] xml config file being used in ovirt different from virsh?

[Edward Haas]

On Sun, Aug 14, 2016 at 1:52 PM, Yaniv Dary <ydary at redhat.com> wrote:

> You should only use the management to keep changes.
> We added network filtering options in 4.0.
> There is also a option of VDSM hook for things that are not supported via
> the manager.
>
> Yaniv Dary
> Technical Product Manager
> Red Hat Israel Ltd.
> 34 Jerusalem Road
> Building A, 4th floor
> Ra'anana, Israel 4350109
>
> Tel : +972 (9) 7692306
>         8272306
> Email: ydary at redhat.com
> IRC : ydary
>
>
> On Sat, Aug 13, 2016 at 12:15 AM, Bill Bill <jax2568 at outlook.com> wrote:
>
>> It seems like when starting the VM through the oVirt dashboard, it’s
>> either overwriting or removing those values.
>>
>>
>>
>> *From: *Bill Bill <jax2568 at outlook.com>
>> *Sent: *Friday, August 12, 2016 3:04 PM
>> *To: *users at ovirt.org
>> *Subject: *xml config file being used in ovirt different from virsh?
>>
>>
>>
>> I have a VM with network filtering enabled, specifically the
>> clean-traffic filter.
>>
>>
>>
>> Through virsh, I modify the configuration to reflect changes like this:
>>
>>
>>
>>      <filterref filter='clean-traffic'>
>>
>>         <parameter name='IP' value='192.168.10.10.'/>
>>
>>         <parameter name='IP' value='192.168.10.11'/>
>>
>>       </filterref>
>>
>>
>>
>> This only allows those two specified IP’s to communicate on the VM. I’ve
>> defined the xml through virsh.
>>
>>
>>
>> Now, if I start the VM directly through virsh, those rules apply and work
>> correctly. I can add any other random IP from the same subnet and it does
>> not work, as expected. Only the two Ip’s specified above will respond.
>>
>>
>>
>> This unfortunately, makes the VM appear to be down from with the ovirt
>> dashboard if it’s started manually through virsh.
>>
>>
>>
>> If I edit the machine through virsh but do not start it and then go onto
>> oVirt to start the VM, it seems the configuration is not loaded – does
>> oVirt load a different configuration file other than
>> /etc/libvirt/qemu/machine.xml?
>>
>>
oVirt uses VDSM to build the VM/s configuration file (Domain XML).
The only way to control its content from 'outside' is though the hooks:
http://www.ovirt.org/develop/developer-guide/vdsm/hooks/
You could use some usage examples from the code base.

Thanks,
Edy.
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