[ovs-dev] [PATCH] xenserver: Add vm-uuid to the external_ids.

Ben Pfaff blp at nicira.com
Mon Mar 5 23:32:08 UTC 2012


On Mon, Mar 05, 2012 at 03:29:20PM -0800, Ben Pfaff wrote:
> [adding Dan since he pushed a lot of this configurability originally]
> 
> On Mon, Mar 05, 2012 at 11:17:27AM -0800, Gurucharan Shetty wrote:
> > The vm-uuid external id in the interface table will uniquely identify a VM
> > that is connected to a bridge through that interface. In xenserver, this
> > will have the same value as the external id - xs-vm-uuid.
> 
> When we designed the various "id" members, we ended up with:
> 
>     - system-id, which is the host-uuid from XAPI on XenServer.
> 
>     - iface-id, which defaults to xs-vif-uuid on XenServer but the
>       administrator can override via XAPI with
>       other-config:nicira-iface-id.
> 
>     - bridge-id, which defaults to xs-network-uuids on XenServer but
>       the administrator can override via XAPI with nicira-bridge-id. 
> 
>     - xs-vif-uuid on XenServer.
> 
> This changes the latter to:
> 
>     - vif-uuid, which is xs-vif-uuid on XenServer.
> 
> So, for symmetry, should we:
> 
>     1. Use "vif-id" as the name (instead of "vif-uuid").
> 
>     2. Add a way to override the vif-(uu)id on XenServer via XAPI with
>        other-config:nicira-vif-id?

Oops, of course I got the details wrong here.  Ignore that message,
I'll fix and resend.



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