Use Ubuntu 24.04 in CI workflows.

[bdice]

This PR replaces ubuntu22.04 with ubuntu24.04. This allows us to continue testing endpoints of our support matrix (we still support Ubuntu 20.04). The CI matrix has been reduced enough that I do not see a significant value proposition to keep any jobs with Ubuntu 22.04. It seems more valuable to have extensive testing of Ubuntu 24.04.

Depends on rapidsai/ci-imgs#195.

Contributes to rapidsai/build-planning#74.

[jameslamb]

Thanks for getting this started. I left one suggestion for your consideration.

[bdice]

Some notes:

• I realized we can't use Ubuntu 24.04 in workflows with CUDA versions older than 12.5.1 because no nvidia/cuda images exist (we already excluded those in the ci-imgs matrix, I just hadn't considered the downstream effects).
  • I migrated the affected test jobs to Ubuntu 22.04.
• We should do our conda builds (C++ and Python) on Rocky Linux 8 because it's safer and better supported.
  • Rocky Linux 8 has the oldest glibc we support, which makes builds safer.
  • This will align with conda-forge as they migrate to glibc 2.28.
  • This also aligns RAPIDS conda builds with RAPIDS wheel builds, which already use Rocky Linux 8.
  • I think we have an old issue or thread about this somewhere -- we have meant to do switch conda builds to the oldest supported glibc in the past.

[bdice]

CI testing is complete! Here is the link: rapidsai/build-planning#74 (comment)

Are there any other repositories we should test? I think I got sufficient coverage here, and am happy to help iron out any additional issues that arise after merging.

[bdice]

For future record, there were a couple of minor hiccups:

• cudf: missing timezone data needed by ORC sample data files, solved by installing tzdata-legacy into the CI image.
  • Add tzdata-legacy to Ubuntu 24.04 images ci-imgs#199
  • Example files are using legacy timezone names (US/Pacific) apache/orc#2049
• raft/cuvs: issues with divide-by-zero in awk, solved by using a Python one-liner instead
  • Test Ubuntu 24.04 in CI workflows. cuvs#414 (comment)
  • rapidsai/cuvs@94ff443
  • rapidsai/raft@d3b34c9

[jameslamb]

Thanks! I'm happy with the matrix changes (they look identical to what I'd previously reviewed) and with the extent of the testing that was done.

I support merging this as-is, will defer to your judgment on the timing.

[KyleFromNVIDIA]

Why has this been downgraded from 22.04 to 20.04?

[bdice]

I rebalanced the OS version matrix a bit but this is open to change. As usual, our matrix should focus on the endpoints (oldest/newest). There is one job for Ubuntu 22.04 to provide additional coverage.

Would you prefer to make this 24.04?

[bdice]

Actually, I'm sorry. We cannot make this 24.04 because Ubuntu 24.04 only supports CUDA 12.5+.

Our options are 22.04 or 20.04. Rocky is already covered on the line above so we should keep this on Ubuntu.

[bdice]

For now, I'll revert to 22.04. I think that should be fine.

[bdice]

Ergh. I read this again on my terminal (somehow it escaped me when reading the GitHub diff).

If we change this to 22.04, we will have only ARM coverage for 20.04. We should test this endpoint ("earliest supported Ubuntu") on amd64 as well.