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Add TMT testing infrastructure including core smoke test with GitHub workflow integration.

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Summary of Changes

Hello @aaradhak, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request establishes a new, robust testing infrastructure for the bootupd project by integrating the Test Management Tool (TMT). It introduces a fundamental smoke test to confirm bootupd package installation and sets up a flexible test environment capable of handling bootupd binaries from either source builds or installed packages. This initiative significantly enhances the project's automated testing capabilities.

Highlights

  • TMT Test Infrastructure: Introduces the Test Management Tool (TMT) framework to the project, laying the foundation for automated testing.
  • Core Smoke Test: Adds a basic smoke test (tests/core/core.fmf) to verify the successful installation of the bootupd package.
  • Flexible Test Environment Setup: Implements conditional prepare steps in tests/tmt/plans/main.fmf to support testing bootupd whether it's built from source or installed as a distribution package.
  • TMT Smoke Plan: Defines a TMT plan (tests/tmt/plans/smoke.fmf) to discover and execute all tests tagged with 'smoke'.
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Code Review

This pull request introduces TMT testing infrastructure for bootupd, including a core smoke test and a GitHub workflow. The changes are well-structured. I've found a couple of issues in the test preparation scripts: one related to the robustness of finding the bootupd binary when built from source, and a critical issue with an incorrect hardcoded path for the package-installed binary. Addressing these will improve the reliability of the new test suite.

Add TMT testing infrastructure including core smoke test with GitHub
workflow integration.
@aaradhak aaradhak force-pushed the gatingtestbootupd branch from 130b694 to 3d1b4c5 Compare July 10, 2025 22:15
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I'm not opposed to this but it's also important to acknowledge that this is testing almost nothing.

As far as I understand without additional work, it will not be testing the source changes to the git repository here, only installing the existing package, which seems misleading at best.

I think what actually is solving that problem is packit which acts as a glue later on top of testing-farm/tmt to build rpms in a copr and then inject them by default.

But that gets to the next problem that doing useful bootupd testing requires being in a bootc/coreos system so we'd need to use e.g. https://tmt.readthedocs.io/en/1.42/plugins/provision.html#bootc

@aaradhak aaradhak changed the title Add TMT gating test and workflow for bootupd WIP: Add TMT gating test and workflow for bootupd Jul 14, 2025
@aaradhak
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https://tmt.readthedocs.io/en/1.42/plugins/provision.html#bootc

Thank you for this information about bootc. Right now we are in the process of creating a gating test infrastructure for all the RPMs under CoreOS. It is a work in progress where I am trying to add a basic test in bootupd.

Now I am planning to add a test from the CI to see if that works - https://github.com/coreos/bootupd/blob/main/.github/workflows/ci.yml

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Bigger picture @lsm5 from the container runtimes team is also working on tmt related things (ref containers/skopeo#2640 ) and I think it might make sense for you (or others) working on TMT related things for coreos to at least have a quick sync.

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Bigger picture @lsm5 from the container runtimes team is also working on tmt related things (ref containers/skopeo#2640 ) and I think it might make sense for you (or others) working on TMT related things for coreos to at least have a quick sync.

Sure will do

@mike-nguyen @HuijingHei @tlbueno : I would like to tag everyone to inform about this

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mike-nguyen commented Jul 30, 2025

https://tmt.readthedocs.io/en/1.42/plugins/provision.html#bootc

Neat! This will be super useful for testing some components.

As Ash mentioned, the goal is to to have the framework in place and share it with the downstream gating and testing. We want to make it easy to add tests so we can increase test coverage.

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As Ash mentioned, the goal is to to have the framework in place and share it with the downstream gating and testing. We want to make it easy to add tests so we can increase test coverage.

Of course, it makes total sense. However, tmt was basically IMO not really at all designed to be used "upstream" in this way by default. It was designed to try to replace/modernize a variety of testing systems that were more "downstream" focused. In particular, the thing I find just extremely hard to understand is the key use case of "build the software from source locally and then run the tests against it" with tmt.

See also teemtee/tmt#1075

To summarize again my understanding of the status quo is that basically packit is trying to be the bridge between "build project from source, generate rpm" and then hand that off to testing/farm/tmt. But then packit is more of a service, and there's this I guess assumption that for local things people just know how to build rpms or something?

And again this is especially extra relevant for projects like bootupd where testing them really wants an image-mode/coreos style environment.

We have a horrendous hack for this in bootc (build a container image inside the target environment in each test locally and then bootc install to-existing-root) that basically really wants to be more first-class in tmt.

This is all really quite important to understand and get right because if you look at what it's in this PR, it's not building bootupd from the upstream git...just installing the package inside a container from the existing repos. (i.e. use_built_from_src is not used right now)
And that's going to be misleading at best...

(Also on a different topic I was actually kind of surprised that bootupctl status did something from inside a default podman run image...)

So I guess bottom line my recommendation is to wire up packit and testing-farm. That said, I definitely like the idea of using GHA as runner infrastructure (bypassing packit, COPR and testing farm infra) but if we do that it should at least build from source.

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that bootupctl status did something from inside a default podman run image...

Maybe I did not clarify this to Ash, bootupctl runs in bootc image, and we build container with https://github.com/coreos/bootupd/blob/main/.github/workflows/ci.yml#L47 that is using https://github.com/coreos/bootupd/blob/main/Dockerfile

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lsm5 commented Aug 1, 2025

Hello, I see rust-bootupd is shipped on Fedora and CentOS Stream, so I'd highly recommend using a Packit workflow to manage Fedora releases as well as trigger TMT tests (on multiple Fedora and CentOS Stream environments). The same set of TMT tests can be run upstream as well as on Fedora and CentOS Stream (dist-git PRs, bodhi updates) with a single source of truth. We're already doing this on podman and many others in the containers org. And I see bootc is doing it too.

Btw, CentOS Stream official downstream updates can only be triggered via packit CLI for now because of access restrictions on lookaside cache.

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We have a horrendous hack for this in bootc (build a container image inside the target environment in each test locally and then bootc install to-existing-root) that basically really wants to be more first-class in tmt.

I filed bootc-dev/bootc#1473 on this and it's very relevant here too

@mike-nguyen
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The original intent was to have the tests live near the source and only run it downstream in fedora, centos, and RHEL. In a separate repo, we were asked to run the same set gating tests upstream so they could catch gating failures earlier instead of getting blocked downstream during a critical release time. That made sense to us so we incorporated the feedback.

Packit also makes sense and has better alignment with tmt so we will look into that option.

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Hello, I see rust-bootupd is shipped on Fedora and CentOS Stream, so I'd highly recommend using a Packit workflow to manage Fedora releases as well as trigger TMT tests (on multiple Fedora and CentOS Stream environments). The same set of TMT tests can be run upstream as well as on Fedora and CentOS Stream (dist-git PRs, bodhi updates) with a single source of truth. We're already doing this on podman and many others in the containers org. And I see bootc is doing it too.

Btw, CentOS Stream official downstream updates can only be triggered via packit CLI for now because of access restrictions on lookaside cache.

@lsm5 who on your team is working on it? Can we sync up and see what the team is working on?

@HuijingHei
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HuijingHei commented Sep 11, 2025

I will start with enable packit firstly. See #1003

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