[Engine-devel] VNIC profiles

[Eli Mesika]

----- Original Message -----
> From: "Livnat Peer" <lpeer at redhat.com>
> To: "engine-devel" <engine-devel at ovirt.org>, "Ofri Masad" <omasad at redhat.com>
> Sent: Sunday, June 30, 2013 3:59:37 PM
> Subject: [Engine-devel] VNIC profiles
> 
> Hi,
> 
> We are working on adding VNIC profiles as part of the work to add VNIC QoS.
> 
> http://www.ovirt.org/Features/Network_QoS#VNIC_Profiles
> 
> We need to define some of the system behavior followed by this change,
> here is my take -
> 
> Editing a profile -
> --------------------
> A user should be able to edit the profile properties (including profile
> name) while VMs are attached and are using this Profile (reference
> should be done by id).
> 
> Changing the network though is a bit more tricky as long as we don't
> have a way to distinguish between running and current configurations I
> think it could be very confusing to the user. Especially since we
> support dynamic wiring so the behavior IMO is unpredictable.
> I think it should be blocked at this point.
> 
> 
> Edit a VNIC / change a VNIC profile -
> ------------------------------------
> Changing the profile a VM is using while the VM is running should behave
> like dynamic wiring (changing the VM network while it is running).
> 
> 
> Remove a Profile -
> -------------------
> Is only valid if all VMs that are using this profile are in status down.

What about HA VMs , are they forced to be down as well for this operation?

> It should update all VMs to point to no profile which should behave like
> none network today.
> 
> I see no reason to support a profile on a none network at this point.
> 
> The above is also relevant for upgrade flow (upgrading none network to
> point to no profile)
> 
> 
> Removing a Network -
> ----------------------
> should remove all profiles on that network
> 
> 
> VM snapshot/import/export -
> --------------------------
> We should handle VMs that are pointing to a network directly for b/w
> compatibility.
> we need to select first profile that is on that network that the user
> has permissions on.
> 
> 
> I assume there are more, comments are welcome
> 
> Thanks, Livnat
> 
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