[Users] vnic : add a custom properties and use it in vdsm_hook

[Benoit ML]

Hello,

Thanks for your answer. Well i've the same feeling : it would be great
but need some works to have a per device custom properties : database
schema upgrade, code interfaces modifications, ... and I'm not a java
dev.


Regards,

2012/12/2 Dan Kenigsberg <danken at redhat.com>:
> On Fri, Nov 30, 2012 at 02:15:31PM +0100, Benoit ML wrote:
>> Hello Evrybody,
>>
>> Is there a way to add custom properties for a nic ? and use it in vdsm_hooks ?
>>
>> The objectife is to redefine some network parameters of a vnic at the
>> vm boot ... (such per vnic bandwitchs, per vnic vlan, and so on) and
>> maybe use openvswitch ...
>
> I would very much like to see something like that, but at the moment,
> custom properties exist only in the VM level.
>
> You could hack around it by defining nicproperties that accepts a
> nested dictionary of {nicID: {property: value}, }
> But it would be a cruel and unusual punishment to edit it.
>
> Not long ago, Itzik and Mark discussed the need of per-nic custom
> properties on Gerrit. At least on the Vdsm side, it would rather easy to
> define: I suggest that each "device" definition would have a "custom"
> attribute, similar to the per-vm one. This should be a dictionary
> holding unicode key/value pairs, that would be passed as
> <devalias>_<customname> environment variables to the hook script.
>
> I know Engine much less, but I do not suppose it would be hard to model
> something like this there.
>
> Dan.



-- 
--
Benoit