05524bead7
Because $search_engine cannot tell me the runtimes for e.g. Epoxy otherwise. Change-Id: I3849a852351bbb644445f1d8dc774fcc3e2ee8d3 Signed-off-by: Stephen Finucane <stephenfin@redhat.com>
92 lines
3.3 KiB
ReStructuredText
92 lines
3.3 KiB
ReStructuredText
.. _2025-2-testing-runtime:
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=====================================
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Tested Runtimes for 2025.2 (Flamingo)
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=====================================
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Linux Distribution
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==================
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At the start of the 2025.2 development cycle, the current :ref:`LTS or stable
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distribution <pti-linux-distros>` versions are:
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* Ubuntu 24.04
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* Debian 12
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Additional testing for a smooth upgrade
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---------------------------------------
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* None
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Python
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======
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It is the :doc:`policy <../../resolutions/20181024-python-update-process>` that
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each OpenStack release cycle will target the latest available version of
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Python; default Python runtime on the distributions listed above; and versions
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used in integration tests at the start of the cycle, at least until the point
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when all projects have migrated to a later version.
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Also, as per the Python testing requirements defined in :ref:`pti-python`,
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projects should avoid removing Python versions that have not reached EOL
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without a solid reason.
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Based on the criteria above, all Python-based projects must target and test
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against, at a minimum:
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* Python 3.10 (available as default in Ubuntu 22.04)
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Python 3.10 is the the minimum supported/required version for 2025.2.
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This does not imply that Ubuntu 22.04 is the minimum supported distribution
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but it may be used for tox testing. Supporting Python 3.10 does not require
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full tempest testing, but py310 unit tests are expected as a minimum
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requirement for all Python projects. The minimal requirement for
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testing jobs against Python versions above is to ensure language compatibility,
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having more extensive testing is allowed.
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* Python 3.11 (available as default in Debian 12)
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In previous cycle testing, we have not seen many incompatible changes between
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Python 3.10 and Python 3.11. It is okay to skip running the Python 3.11
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testing jobs assuming that anything that works on Python 3.10 and 3.12 will
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also work on 3.11. Periodic testing should be enough for this.
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* Python 3.12 (available as default in Ubuntu 24.04)
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This is the upper bound of required testing for 2025.2.
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* Python 3.13 (available as default in Debian 13)
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This is not mandatory testing in the 2025.2 cycle, and there is no guarantee
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that the OpenStack 2025.2 release will support Python 3.13. Debian 13
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("Trixie") is expected to ship prior to the OpenStack 2025.2 release
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and will include Python 3.13 as the default.
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.. warning::
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There is a high chance that we might see a lot of failures with Python
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3.13 and need a good amount of time to fix them. Adding testing with
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non-voting jobs is an effort to start finding and addressing the issues
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in advance. It is recommended to start the minimal testing in the 2025.2
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cycle.
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Python 3.13 will be mandatory testing in a future release.
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More details on Python requirements can be found in :ref:`pti-python`.
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Advance/Unstable Testing
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========================
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The below list is for the distribution/python advance or unstable versions
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to test them in OpenStack CI/CD. These may not be part of integrated testing
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and may be tested as non-blockers or periodically only. The main idea is to
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test them in advance to be part of integrated testing in future
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cycles.
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Based on their testing infra setup, instability, or their future
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releases, we can modify the list during any phase of the current development
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cycle.
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* CentOS Stream 10
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* Rocky Linux 10
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