----- Original Message -----
> From: "Eli Mesika" <emes...@redhat.com>
> To: "Dan Kenigsberg" <dan...@redhat.com>
> Cc: "Michal Skrivanek" <michal.skriva...@redhat.com>, ilvov...@gmail.com,
> "bigclouds" <bigclo...@163.com>,
> vdsm-devel@lists.fedorahosted.org, "Martin Perina" <mper...@redhat.com>
> Sent: Friday, January 3, 2014 1:30:14 PM
> Subject: Re: [vdsm] what does custom option mean when vmcreate ?
>
>
>
> ----- Original Message -----
> > From: "Dan Kenigsberg" <dan...@redhat.com>
> > To: "Michal Skrivanek" <michal.skriva...@redhat.com>, emes...@redhat.com,
> > ilvov...@gmail.com
> > Cc: "bigclouds" <bigclo...@163.com>, vdsm-devel@lists.fedorahosted.org
> > Sent: Friday, January 3, 2014 12:42:54 PM
> > Subject: Re: [vdsm] what does custom option mean when vmcreate ?
> >
> > On Fri, Jan 03, 2014 at 11:25:04AM +0100, Michal Skrivanek wrote:
> > >
> > > On 26 Dec 2013, at 07:32, bigclouds wrote:
> > >
> > > > the paramters received when vmCreate has a long part called custom,
> > > > do we use custom infomation? what does the long key
> > > > device_************************* means?
> > >
> > > custom properties for devices
> > > see the UI Custom Properties tab in Edit VM
> >
> > I think that bigclouds meant the bizarre-looking properties that are
> > sent by Engine automatically, with no human interventions, per VmDevice
> > that
> > is
> > reported by Vdsm but not managed by Engine:
> >
> > 'device_82934f8e-7470-4c46-b9ed-d1c73fb17477device_87f6330a-278d-4b2a-9674-db58eb0e7023device_a19855be-70a9-49d0-9ea4-ee746b2d9739':
> > 'VmDevice {vmId=46914913-8bcf-4fa0-b1fb-3680ca8b6c16,
> > deviceId=a19855be-70a9-49d0-9ea4-ee746b2d9739, device=virtio-serial,
> > type=CONTROLLER, bootOrder=0, specParams={}, address={bus=0x00,
> > domain=0x0000, type=pci, slot=0x06, function=0x0}, managed=false,
> > plugged=true, readOnly=false, deviceAlias=virtio-serial0,
> > customProperties={}, snapshotId=null}'
> >
> > It was an attempt for future-compatibility, by (ab)using the custom
> > properties
> > interface. Certainly Eli or Igor can explain the motivation better.
>
> This was added later by Martin P at commit hash
> a9723b34c13ee55bd81ddf6e8032901b090a6dc3
> Martin can you please elaborate on that? Thanks
>
>
Hi,
Device Custom Properties is a 3.3 feature by which you can specify
custom properties for specific device types using same format as
for VM properties (more info on [1]).
AFAIK only vNIC devices is currently using this feature.
Martin
[1] http://www.ovirt.org/Features/Device_Custom_Properties
> >
> > Dan.
> >
>
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