[openstack-dev] Request for feedback - Nova image building proof of concept

Vishvananda Ishaya vishvananda at gmail.com
Thu Apr 4 17:58:48 UTC 2013

A whole bunch of work has already been done around image building from install media in a project called veewee:


It seems like it would be valuable to leverage the existing work rather than creating stuff from scratch.

It also might be worth looking at whether veewee could be mixed with the vagrant openstack provider:


to allow the image building to be done remotely on an openstack cloud.


On Apr 3, 2013, at 3:10 PM, Ian McLeod <imcleod at redhat.com> wrote:

> We've put together a simple proof of concept of driving native operating
> system installers using Nova:
> https://github.com/redhat-openstack/image-building-poc
> The python CLI tool in this repo, when combined with the example install
> scripts, can build both glance-backed and cinder-backed JEOS images for
> the following operating systems entirely inside of Nova:
> Fedora 17, 18
> Ubuntu 10.04, 12.04, 12.10
> RHEL 5.9, 6.4
> These builds can be done using network install sources and, in some
> limited cases, DVD/ISO install sources.  Full details can be found in
> the README.md file on github.
> Some background discussion about this approach from earlier this year
> can be found here:
> https://wiki.openstack.org/wiki/NovaImageBuilding
> The code is a bit rough around the edges but we believe the approach has
> promise and can form the basis for a proper image building service
> native to OpenStack.
> I'd be grateful if anyone who's interested in the problem of image
> building could have a look at this, give it a try and share
> thoughts/feedback.
> It's been developed against the packstack Folsom release but has had
> some limited testing against devstack Grizzly installs.  Building glance
> backed images may well be possible in earlier releases.
> Some specific additional things I'd like to work on are:
> * Expanding the collection of example kickstart/preseed files
> * Adding the ability to pull kickstart/preseed files from libosinfo
> * Adding support for installers beyond Ubuntu and Anaconda - I have
> taken an early look at Yast but have yet to wrap my brain around the
> bootstrap process.
> -Ian
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