Support Python 3.12

[rzvoncek]

Project board link

A fresh Ubuntu 24.04 LTS now installs Python 3.12 by default.
At the moment, Medusa does not support this, there's some dependency issue. Also, pip installing off a branch won't work.

┆Issue is synchronized with this Jira Story by Unito
┆Reviewer: Alexander Dejanovski
┆Issue Number: MED-10

[rzvoncek]

Had another go at this. The parallel-ssh, ssh-python and ssh2-python libraries are no longer maintaned. It might be possible to re-package them for Python 3.12 onwards, but then we'd need to maintain that.

A more feasible aproach seems to be to rewrite our parallel ssh code to use asyncssh instead.

[sync-by-unito]

➤ Radovan Zvoncek commented:

There was a handful of ssh libraries that did not support python 3.12. Recently, they got a fresh release that adds the missing support.

Bumping the libraries, plus few others, I’ve managed to have CI pass with python 3.12: #849 ( https://github.com/thelastpickle/cassandra-medusa/pull/849|smart-link )

There are few extra commits changing how we deal with management api JARs. The management api started to do releases, so the “latest” we pull leads to different file names, which we were not handling properly in the ITs.