[Openstack-operators] Operations project: Packaging

Craig Tracey craig at craigtracey.com
Wed Nov 19 19:59:28 UTC 2014

Thanks Michael for continuing this conversation.  This is something that we
are particularly interested and involved in.

A while back (around the first Ops mid-cycle), I along with John Dewey
started a project called giftwrap https://github.com/blueboxgroup/giftwrap.
The primary objective was to build artifacts (in our first use case, debs)
so that we could easily ship reliable OpenStack bits to our various
OpenStack fleets, while not being beholden to a distro.  I looked around at
the available options in stackforge, and each of them didn't really suit my
needs.  Similarly, at the Ops midcycle it was clear that this was a concern
for others as well. Hence, we started the project.

The project has progressed quite a bit from there.  Now, in addition to
packages it can create Docker images with the projects and source that you
care about.  It can gather hard pip dependencies from what passed
acceptance in gate.  You can add arbitrary python and system dependencies
(ie. you have SAN XYZ and their Cinder driver is not upstreamed yet) to the
package or Docker image. And, all of the code is built within virtualenvs
so that we can prevent cross-project dependency conflicts.  Pathing is
completely customizable with Jinja templating syntax. What is nice about
this is that you can lay services side-by-side in order to facilitate
in-place upgrades (ie. /opt/openstack-icehouse and /opt/openstack-juno).
All of these settings are defined in a yaml manifest file.

The code today is certainly biased towards Ubuntu, but there is nothing
preventing the support of other distros.  All of the hooks are there...it's
just a matter of time before we tackle those.  We would be happy to have
contributions from others interested in this or other features.

This code, along with the accompanying configuration management is working
in test and should land in both Giftwrap and our Ansible playbooks dubbed
Ursula https://github.com/blueboxgroup/ursula shortly.

Long story short, we are very interested in continuing to build community
around packaging.

Thanks again,

On Tue, Nov 18, 2014 at 7:37 AM, Adam Young <ayoung at redhat.com> wrote:

>  On 11/18/2014 01:16 AM, Michael Chapman wrote:
> Hi all,
>  Packaging was one of the biggest points of interest in the Friday Paris
> meeting, and I'd like to use this thread to have a centralised discussion
> and/or argument regarding whether there is a packaging system that is
> flexible enough that we can adopt it as a community and reduce the
> fragmentation. This conversation began in Paris, but will likely continue
> for some time.
>  The Friday session indicates that as operators we have common
> requirements:
>  A system that takes the sources from upstream projects and produces
> artifacts (packages or images).
>  There are numerous projects that have attempted to solve this problem.
> Some are on stackforge, some live outside. If you are an author or a user
> of one of these systems, please give your opinion.
> RDO is the single largest "packager" of RPMs for OpenStack.
>  Once it becomes clear who is interested in this topic, we can create a
> working group that will move towards standardising on a single system that
> meets the needs of the community. Once the key individuals for this project
> are clear, we can schedule an appropriate meeting time on irc for further
> discussion that will probably be needed.
>   - Michael
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