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Please see inline.
> Date: Wed, 5 Dec 2012 17:24:00 -0600 > Subject: Re: RFC: Enable Libvirt to handle OVA installation > From: cardoe@xxxxxxxxxx > To: ata.husain@xxxxxxxxxxx > CC: libvir-list@xxxxxxxxxx > > On Wed, Dec 5, 2012 at 3:50 PM, Ata Bohra <ata.husain@xxxxxxxxxxx> wrote: > > This is a proposal to enhance Libvirt library to handle OVA package > > installation. > > > > OVA: > > OVA is one of the widely accepted and consortium defined/maintained format > > for > > Virtual Machine distros. Technically it is a tar file with three main > > components: > > 1. VMX descriptor (XML file defining virtual machine specifics such as: > > virtual hardware etc. > > 2. VMDKs in a compressed format. > > 3. Manifest file. > > > > I thought this was discussed previously on the list before and the > idea was to provide something similar to virt-v2v to convert from OVA > into libvirt. Since effectively OVA machines are not really tied to > any one virtualization solution but could be qemu or VMWare (or maybe > VBox) VMs. It just the disk image and some high level definitions > about the hardware. > > Or are you intending on this just being another storage driver for the > VMWare driver? [AB] : Yes Doug, I remember you suggesting this idea earlier. I investigated this option trying to figure out how this can be done. It is not difficult to convert OVA description in to libvirt (with adding some exceptions etc) but then I hit the roadblock when it came to transfer of VM disk(s). OVA represents the disk in a compressed form and ESX hypervisor does not provide any API to upload compressed disk. Whereas, one of the steps in OVA installation is ESX providing you a lease object that allows uploading OVA compressed disk to the hypervisor that gets expanded internally. I'm not sure but I believe I reverted back with this observation. Do you think adding a driver object to handle OVA installation per specific hypervisor enviornment breaks the abstraction? I thought it would allow plugging right solution given the nature of hypervisor. > -- > Doug Goldstein Thanks! Ata |
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