[ovirt-users] Import of OVA fails in 4.0.4

[Tomáš Golembiovský]

Hi,

On Sat, 5 Nov 2016 17:34:25 -0400
"Derek Atkins" <derek at ihtfp.com> wrote:

> Hi again,
> 
> After a bit more research I found this message in libguestfs[0] that seems
> to imply the issue is related to Fedora 23 in that dracut was moved from
> /sbin to /usr/bin.  Apparently this was fixed in libguestfs on January 28,
> 2016 by a change to convert_linux.ml [1].  But apparently this change
> isn't in the centos-7.2/ovirt-4.0.4 packages?

Yes you're right. That change was not back-ported to the version of
virt-v2v on CentOS 7.2. But if I understand things correctly it should
appear in CentOS 7.3. Is waiting for Centos 7.3 an option for you?


> I just looked through my ovirt host and canot find "convert_linux.ml"
> anywhere, so I have no idea how to actually apply this patch locally.

You can't just patch the code localy (it's not Python). You'd need to
recompile the virt-v2v binary.


> Short term I suppose I can fix this by adding a symlink in the VM and
> repackage the OVA, but it would be nice to actually get this bugfix
> propagated; it's been almost a year?

Adding Richard to the loop.


> Thanks,
> 
> -derek
> 
> [0] https://www.redhat.com/archives/libguestfs/2016-January/msg00138.html
> [1]
> https://github.com/libguestfs/libguestfs/commit/569ad259b4726fbdabf380bdca34da00ca262e1e
> 
> On Sat, November 5, 2016 5:02 pm, Derek Atkins wrote:
> > Hi,
> > I just tried using the OVA import feature in 4.0.4 to import an OVA file
> > created from VMware-Workstation-12.  I packaged the OVA, got it onto my
> > ovirt host, and then go the Admin GUI and under the Virtual Machines tab
> > clicked on Import.  From there I chose Source:  VMware Virtual Appliance
> > (OVA), and selected the (local-to-the-host) path where I put the OVA
> > file.  After clicking Load it displayed the vm name in the window.  I
> > click on that and click the right arrow to and then Next.  Then I select
> > my storage domain to use and continue.  It loads the VM and starts to
> > process it internally with virt-v2v, but then it inexplicably fails.
> > The only message in the GUI is:
> >    Failed to import Vm <vm name> to Data Center Default, Cluster Default
> >
> > I tried to look into /var/log/vdsm/vdsm.log looking for any errors.  I
> > found this:
> >
> > Thread-88166::ERROR::2016-11-05 16:36:09,219::v2v::674::root::(_run) Job
> > u'cdb1e
> > eb7-63f3-46e8-abd5-5292dcc8809a' failed
> > Traceback (most recent call last):
> >   File "/usr/lib/python2.7/site-packages/vdsm/v2v.py", line 669, in _run
> >     self._import()
> >   File "/usr/lib/python2.7/site-packages/vdsm/v2v.py", line 696, in
> > _import
> >     self._proc.stderr.read(1024)))
> > V2VProcessError: Job u'cdb1eeb7-63f3-46e8-abd5-5292dcc8809a' process
> > failed exit
> > -code: 1, stderr: virt-v2v: error: unable to rebuild initrd
> > (/boot/initramfs-4.2.6-301.fc23.x86_64.img) because mkinitrd or dracut was
> > not found in the guest
> >
> > If reporting bugs, run virt-v2v with debugging enabled and include the
> > complete output:
> >
> >   virt-v2v -v -x [...]
> >
> > I don't understand this error because /usr/bin/dracut certainly exists
> > in the VM.
> >
> > Anyone have any suggestions on how to get around this?
> >
> > Thanks,
> >
> > -derek
> > --
> >        Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
> >        Member, MIT Student Information Processing Board  (SIPB)
> >        URL: http://web.mit.edu/warlord/    PP-ASEL-IA     N1NWH
> >        warlord at MIT.EDU                        PGP key available
> > _______________________________________________
> > Users mailing list
> > Users at ovirt.org
> > http://lists.ovirt.org/mailman/listinfo/users
> >  
> 
> 
> -- 
>        Derek Atkins                 617-623-3745
>        derek at ihtfp.com             www.ihtfp.com
>        Computer and Internet Security Consultant
> 
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-- 
Tomáš Golembiovský <tgolembi at redhat.com>