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Re: [rdo-list] Multiple tools for deploying and testing TripleO



The vast majority of RDO's CI relies on using upstream
installation/deployment projects in order to test installation of RDO
packages in different ways and configurations.

Unless I'm mistaken, TripleO Quickstart was originally created as a
mean to "easily" install TripleO in different topologies without
requiring a massive amount of hardware.
This project allows us to test TripleO in virtual deployments on just
one server instead of, say, 6.

There's also WeIRDO [1] which was left out of your list.
WeIRDO is super simple and simply aims to run upstream gate jobs (such
as puppet-openstack-integration [2][3] and packstack [4][5]) outside
of the gate.
It'll install dependencies that are expected to be there (i.e, usually
set up by the openstack-infra gate preparation jobs), set up the trunk
repositories we're interested in testing and the rest is handled by
the upstream project testing framework.

The WeIRDO project is /very/ low maintenance and brings an exceptional
amount of coverage and value.
This coverage is important because RDO provides OpenStack packages or
projects that are not necessarily used by TripleO and the reality is
that not everyone deploying OpenStack on CentOS with RDO will be using
TripleO.

Anyway, sorry for sidetracking but back to the topic, thanks for
opening the discussion.

What honestly perplexes me is the situation of CI in RDO and OSP,
especially around TripleO/Director, is the amount of work that is
spent downstream.
And by downstream, here, I mean anything that isn't in TripleO proper.

I keep dreaming about how awesome upstream TripleO CI would be if all
that effort was spent directly there instead -- and then that all work
could bear fruit and trickle down downstream for free.
Exactly like how we keep improving the testing coverage in
puppet-openstack-integration, it's automatically pulled in RDO CI
through WeIRDO for free.
We make the upstream better and we benefit from it simultaneously:
everyone wins.

[1]: https://github.com/rdo-infra/weirdo
[2]: https://github.com/rdo-infra/ansible-role-weirdo-puppet-openstack
[3]: https://github.com/openstack/puppet-openstack-integration#description
[4]: https://github.com/rdo-infra/ansible-role-weirdo-packstack
[5]: https://github.com/openstack/packstack#packstack-integration-tests

David Moreau Simard
Senior Software Engineer | Openstack RDO

dmsimard = [irc, github, twitter]

David Moreau Simard
Senior Software Engineer | Openstack RDO

dmsimard = [irc, github, twitter]


On Mon, Aug 1, 2016 at 11:21 AM, Arie Bregman <abregman redhat com> wrote:
> Hi,
>
> I would like to start a discussion on the overlap between tools we
> have for deploying and testing TripleO (RDO & RHOSP) in CI.
>
> Several months ago, we worked on one common framework for deploying
> and testing OpenStack (RDO & RHOSP) in CI. I think you can say it
> didn't work out well, which eventually led each group to focus on
> developing other existing/new tools.
>
> What we have right now for deploying and testing
> --------------------------------------------------------
> === Component CI, Gating ===
> I'll start with the projects we created, I think that's only fair :)
>
> * Ansible-OVB[1] - Provisioning Tripleo heat stack, using the OVB project.
>
> * Ansible-RHOSP[2] - Product installation (RHOSP). Branch per release.
>
> * Octario[3] - Testing using RPMs (pep8, unit, functional, tempest,
> csit) + Patching RPMs with submitted code.
>
> === Automation, QE ===
> * InfraRed[4] - provision install and test. Pluggable and modular,
> allows you to create your own provisioner, installer and tester.
>
> As far as I know, the groups is working now on different structure of
> one main project and three sub projects (provision, install and test).
>
> === RDO ===
> I didn't use RDO tools, so I apologize if I got something wrong:
>
> * About ~25 micro independent Ansible roles[5]. You can either choose
> to use one of them or several together. They are used for
> provisioning, installing and testing Tripleo.
>
> * Tripleo-quickstart[6] - uses the micro roles for deploying tripleo
> and test it.
>
> As I said, I didn't use the tools, so feel free to add more
> information you think is relevant.
>
> === More? ===
> I hope not. Let us know if are familiar with more tools.
>
> Conclusion
> --------------
> So as you can see, there are several projects that eventually overlap
> in many areas. Each group is basically using the same tasks (provision
> resources, build/import overcloud images, run tempest, collect logs,
> etc.)
>
> Personally, I think it's a waste of resources. For each task there is
> at least two people from different groups who work on exactly the same
> task. The most recent example I can give is OVB. As far as I know,
> both groups are working on implementing it in their set of tools right
> now.
>
> On the other hand, you can always claim: "we already tried to work on
> the same framework, we failed to do it successfully" - right, but
> maybe with better ground rules we can manage it. We would defiantly
> benefit a lot from doing that.
>
> What's next?
> ----------------
> So first of all, I would like to hear from you if you think that we
> can collaborate once again or is it actually better to keep it as it
> is now.
>
> If you agree that collaboration here makes sense, maybe you have ideas
> on how we can do it better this time.
>
> I think that setting up a meeting to discuss the right architecture
> for the project(s) and decide on good review/gating process, would be
> a good start.
>
> Please let me know what do you think and keep in mind that this is not
> about which tool is better!. As you can see I didn't mention the time
> it takes for each tool to deploy and test, and also not the full
> feature list it supports.
> If possible, we should keep it about collaborating and not choosing
> the best tool. Our solution could be the combination of two or more
> tools eventually (tripleo-red, infra-quickstart? :D )
>
> "You may say I'm a dreamer, but I'm not the only one. I hope some day
> you'll join us and the infra will be as one" :)
>
> [1] https://github.com/redhat-openstack/ansible-ovb
> [2] https://github.com/redhat-openstack/ansible-rhosp
> [3] https://github.com/redhat-openstack/octario
> [4] https://github.com/rhosqeauto/InfraRed
> [5] https://github.com/redhat-openstack?utf8=%E2%9C%93&query=ansible-role
> [6] https://github.com/openstack/tripleo-quickstart
>
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