PLATFORMCI-179 - Gather the requirements related to the integration of Jenkins and rpmdiff

[gsr-shanks]

"Need to figure out how Jenkins can be used to trigger jobs in rpmdiff.
(I don't think this needs to be resolved during the pilot)"

[gsr-shanks]

Ondrej Vasik says:
"For rpmdiff, we would need to either run them on our instance of rpmdiff
(like rhpkg rpmdiff does atm. - it uses instance from mvadkert)
or we have to wait until rpmdiff is detached from ET. This is on the
long term roadmap, however I don't think there is some ETA atm."

[gsr-shanks]

Petr Muller added a comment - 29/May/15 2:37 PM
"First step is to make it running: and we can easily use rhpkg there, at
least for scratch builds: rhpkg rpmdiff consumes task ids, we get them
via CI infrastructure already, and we can just call rhpkg rpmdiff,
which even guesses some good enough baseline."

[gsr-shanks]

PLATFORMCI-179

[ohudlick]

Jakub and Miroslav are working on RPMDiff integration to CI, asking them for needinfo now.

[jethbu]

Will this be done using rhpkg? Or calling the rpmdiff command directly now
that it is decoupled from errata?

On Wed, Sep 7, 2016 at 8:36 AM, ohudlick [email protected] wrote:

Jakub and Miroslav are working on RPMDiff integration to CI, asking them
for needinfo now.

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[thrix]

Hi,

My name is Miroslav Vadkerti, and I am currently taking over the RPMdiff in CI after Peter.

Let me try to summarize the current state of RPMdiff in CI and (a bit) where we are heading.

Jakub has implemented a proof-of-concept (POC) and it is now enabled for scratch builds of the setup component [1] in BaseOS CI. For testing itself, the production RPMdiff instance is used (meaning the same machines do the testing that for the Errata Tool, but the results are stored in a separate database). The results are viewable in the Adhoc RPMdiff Web UI [2]. The POC works quite nicely, see results for setup scratch builds [3]. The scheduling is currently done in two ways [4]:

• for scratch builds: "rhpkg rpmdiff ..." is used, as rhpkg does not support non-scratch builds
• for non-scratch builds directly "rpmdiff-cli" tool is used (AFAIK there are no runs currently using this scenario).

Note that the scheduling logic will most likely change once RPMdiff gets a proper REST API [5]. Currently rhpkg uses a temporary limited json-rpc [6].

RPMdiff is not yet decoupled from Errata, there is just a "new" nice and maintained Adhoc Web UI [2] that will replace Errata Web UI in the future. Decoupling is planned to be done in 2017 entirely and will require quite a lot of effort. Anyway the decoupling does not block RPMdiff in CI in any way ...

Let me share my a brief overview of my next steps here:

1. prepare use cases for RPMdiff testing in CI (gathered from Developers and QE)
2. present the use cases for the PnT Tech Steering Team, RPMdiff development and in this ticket
3. generalize rpmdiff-baseline (more about this microservice in the presentation above)
4. meet with Jakub to discuss implementation of required features from CI side
5. meet with RPMdiff developers to discuss implementation of required features from CI side
6. Implementing/Testing ...

I will be on PTO next two week, so expect a two-week delay for progress of the above. Anyway let me know if you would have any additional questions, I will be glad to answer them :)

[1] http://baseos-jenkins.rhev-ci-vms.eng.rdu2.redhat.com/view/setup/view/All%20releases/view/4%3A%20Detailed/
[2] https://rpmdiff.engineering.redhat.com/
[3] https://rpmdiff.engineering.redhat.com/run/?type=comparison&score=&name=setup&version=
[4] https://code.engineering.redhat.com/gerrit/gitweb?p=baseos-ci.git;a=blob;f=scripts/baseos_ci/rpmdiff.py;h=fc4f4590a26d5e35b6c3212a77a60bbc451d656c;hb=HEAD#l41
[5] ~October 2016 according to the current roadmap:
https://docs.engineering.redhat.com/display/HTD/RPMDiff+Roadmap
[6] https://rpmdiff.engineering.redhat.com/json/browse/