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Update python version to 3.12 and base to core24 in snaps (#9983)

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Fixes #9872, originally merged in #9956.

To upgrade to python3.12 as 3.8 is reaching EOL, we need to upgrade the core snap that certbot is based on. The latest version is core24, so we're going with that for longevity. We will want to notify third party snaps to make changes as well. They can release their snaps to a version higher than certbot's, and their users will not be upgraded until the matching (or greater) version of certbot is released. They should do this as otherwise including these changes will break their plugins.

Key documents for this migration are https://snapcraft.io/docs/migrate-core22 and https://snapcraft.io/docs/migrate-core24. The discussion at https://forum.snapcraft.io/t/upgrading-classic-snap-to-core24-using-snapcraft-8-3-causes-python-3-12-errors-at-runtime/ is also relevant to understanding some changes, which may become unnecessary in future versions of snapcraft.


* Migrate primary certbot snap to core24 and python 3.12

* Migrate plugin snaps to core24 and python 3.12

* Migrate to core24 in build_remote

* Run snap tests using python 3.12

* Unstage pyvenv.cfg and set PYTHONPATH

---------

Co-authored-by: Erica Portnoy <ebportnoy@gmail.com>
Co-authored-by: Erica Portnoy <erica@eff.org>
This commit is contained in:
Will Greenberg
2024-08-08 16:24:11 -07:00
committed by GitHub
co-authored by Erica Portnoy Erica Portnoy
parent 281b724996
commit c3c587001f
7 changed files with 67 additions and 56 deletions
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@@ -12,7 +12,7 @@ These steps need to be done once to set up your VM and do not need to be run aga
1. Start with a Focal VM. You need a full virtual machine using something like DigitalOcean, EC2, or VirtualBox. Docker won't work. Another version of Ubuntu can probably be used, but Focal was used when writing these instructions.
2. Set up a user other than root with sudo privileges for use with snapcraft and run all of the following commands with it. A command to do this for a user named certbot looks like `adduser certbot && usermod -aG sudo certbot && su - certbot`.
3. Install git and python with `sudo apt update && sudo apt install -y git python`.
4. Set up lxd for use with snapcraft by running `sudo snap install lxd && sudo /snap/bin/lxd.migrate -yes; sudo /snap/bin/lxd waitready && sudo /snap/bin/lxd init --auto` (errors here are ok; it may already
4. Set up lxd for use with snapcraft by running `sudo snap install lxd; sudo /snap/bin/lxd waitready && sudo /snap/bin/lxd init --auto` (errors here are ok; it may already
have been installed on your system).
5. Add your current user to the lxd group and update your shell to have the new assignment by running `sudo usermod -a -G lxd ${USER} && newgrp lxd`.
6. Install snapcraft with `sudo snap install --classic snapcraft`.