[Openstack] File injection support

Igor Laskovy igor.laskovy at gmail.com
Fri Jun 8 09:32:17 UTC 2012


Thank for this

Igor Laskovy
Kiev, Ukraine
On Jun 8, 2012 11:20 AM, "Fredric Morenius" <fredric.morenius at ericsson.com>
wrote:

> Hello All,
>
> An update on the use of the qemu-nbd/kpartx based solution to inject files
> into VM images:
>
> After some more testing it has turned out that injection into the UEC
> version of CirrOS (this:
> https://launchpad.net/cirros/trunk/0.3.0/+download/cirros-0.3.0-x86_64-uec.tar.gz)
> works fine, but injection into the qcow2 version of the image produces the
> error given in the previous mail, so there seems to be robustness problems
> with these tools.
>
> BR Fredric
>
> -----Original Message-----
> From: Pádraig Brady [mailto:P at draigBrady.com]
> Sent: den 30 maj 2012 18:03
> To: Fredric Morenius
> Cc: openstack; igor.laskovy at gmail.com
> Subject: Re: [Openstack] File injection support
>
> On 05/30/2012 03:47 PM, Fredric Morenius wrote:
> > Hello Pádraig,
> >
> > I am also trying to get file injection to work in Essex, but have run
> > into some issues, as stated here:
> > https://answers.launchpad.net/nova/+question/198878
>
> Igor Laskovy also had that "device-mapper: resume ioctl failed:" issue
> with the "qemu-nbd" on a cirros image too, though he didn't need the
> injection though and just avoided it.
>
> > The image I am launching is a simple bare container qcow2 image
> > (CirrOS, this:
> > https://launchpad.net/cirros/trunk/0.3.0/+download/cirros-0.3.0-x86_64
> > -disk.img )
>
> That image is a simple single partition image, and so should not need the
> patch referenced below.
> What system are you using? If you installed libguestfs then that should be
> tried as a method without need for the patch below.
>
> > Would it be possible to backport this:
> > https://github.com/openstack/nova/commit/2b3a1e7
> > So that file injection as I am trying to do it will work? Or is there
> any other way to make it work?
>
> The backport is trivial and already done in the Fedora/EPEL Essex packages.
>
> I was thinking though that this was extra functionality and so not
> appropriate for the official stable branch?
>
> > ***************** NOT A CONTRIBUTION ***************** The content of
> > this email shall not be considered as a contribution to OpenStack
>
> :)
>
> cheers,
> Pádraig.
>
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