[Ovirt-devel] Details about pending cobbler image support & ovirt integration

[Michael DeHaan]

David Lutterkort wrote:
> On Thu, 2008-07-10 at 17:48 -0400, Michael DeHaan wrote:
>   
>> David Lutterkort wrote:
>>     
>>> It would be much simpler for VM images to tell cobbler to add an
>>> image.xml; all the parameters above are listed in that, and adding a VM
>>> image to a cobbler server would be as simple as
>>>         
>>>         # cobbler image add /foo/bar/image.xml
>>>   
>>>       
>> That would be doable for virt-image cloning where we have a way to 
>> source it from.   For ISO installs, admins generally don't like to create
>> XML, so as with virt-install, there needs to be a way to enter it.
>>     
>
> So we'd have a command line tool that basically templates a few values
> into a stock image.xml file ?
>   

Right now I have it working using Cobbler objects to be consistent.  
These ISO installs
are not much different from what koan does now.  Hardly anything changes 
but the install
source.

>   
>> To do the above, I really need a utility to extract the XML config 
>> needed by virt-image from a running/happy guest.
>> Can we do that?
>>     
>
> No, there's no tool currently that goes from libvirt XML -> image XML,
> though it wouldn't be hard to write (especially given the virt-convert
> work that John Levon is doing). As with all VM conversions, the real fun
> is in the disk conversion - for cobbler, you'd need file-based disks, so
> you'd need to do some conversion if the VM is running off of LVM volumes
> etc.
>
> David
>
>
>   

virt-convert sounds very neat.  I'll have to ping John.