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postgresql_12: remove

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This will be EOL at the end of November, so there's little reason to
keep it in 24.11[1]. As discussed, we'd like to keep it for as long as
possible to make sure there's a state in nixpkgs that has the latest
minor of postgresql_12 available with the most recent CVEs fixed for
people who cannot upgrade[2].

This aspect has been made explicit in the manual now for the next .11
release.

During the discussions it has been brought up that if people just do
`services.postgresql.enable = true;` and let the code decide the
postgresql version based on `system.stateVersion`, there's a chance that
such EOL dates will be missed. To make this harder, a warning will now
be raised when using the stateVersion-condition and the oldest still
available major is selected.

Additionally regrouped the postgresql things in the release notes to
make sure these are all shown consecutively. Otherwise it's a little
hard to keep track of all the changes made to postgresql in 24.11.

[1] https://endoflife.date/postgresql
[2] https://github.com/NixOS/nixpkgs/pull/353158#issuecomment-2453056692
This commit is contained in:
Maximilian Bosch 2024-11-02 16:52:02 +01:00
parent 4a8b1cc958
commit 0b3eef7441
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11 changed files with 32 additions and 80 deletions
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11
nixos/modules/services/databases/postgresql.nix
View file

@ -26,6 +26,7 @@ let
optionalString
types
versionAtLeast
warn
;
cfg = config.services.postgresql;
@ -484,10 +485,18 @@ in
services.postgresql.package = let
mkThrow = ver: throw "postgresql_${ver} was removed, please upgrade your postgresql version.";
mkWarn = ver: warn ''
The postgresql package is not pinned and selected automatically by
`systemd.stateVersion`. Right now this is `pkgs.postgresql_${ver}`, the
oldest postgresql version available and thus the next that will be
removed when EOL on the next stable cycle.
See also https://endoflife.date/postgresql
'';
base = if versionAtLeast config.system.stateVersion "24.11" then pkgs.postgresql_16
else if versionAtLeast config.system.stateVersion "23.11" then pkgs.postgresql_15
else if versionAtLeast config.system.stateVersion "22.05" then pkgs.postgresql_14
else if versionAtLeast config.system.stateVersion "21.11" then pkgs.postgresql_13
else if versionAtLeast config.system.stateVersion "21.11" then mkWarn "13" pkgs.postgresql_13
else if versionAtLeast config.system.stateVersion "20.03" then mkThrow "11"
else if versionAtLeast config.system.stateVersion "17.09" then mkThrow "9_6"
else mkThrow "9_5";