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feat(modules/dgn-console): Add a pg upgrade script when necessary

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This commit is contained in:
Tom Hubrecht 2023-11-29 14:58:05 +01:00
parent a4d9497158
commit 7e5920fd16
1 changed files with 31 additions and 3 deletions
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34
modules/dgn-console.nix
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@ -1,13 +1,18 @@
{ config, lib, pkgs, ... }:
let
inherit (lib) mkEnableOption mkIf;
inherit (lib) mkEnableOption mkOption mkIf;
cfg = config.dgn-console;
in {
options.dgn-console = {
enable = mkEnableOption "DGNum console setup." // { default = true; };
pg-upgrade-to = mkOption {
type = lib.types.package;
default = pkgs.postgresql_15;
};
};
config = mkIf cfg.enable {
@ -15,8 +20,6 @@ in {
console = { keyMap = "fr"; };
environment.systemPackages = with pkgs; [ neovim wget kitty.terminfo ];
environment.variables.EDITOR = "nvim";
programs.neovim.vimAlias = true;
@ -58,5 +61,30 @@ in {
'';
hardware.enableRedistributableFirmware = true;
environment.systemPackages = (with pkgs; [ neovim wget kitty.terminfo ])
++ lib.optional (config.services.postgresql.package != cfg.pg-upgrade-to)
(pkgs.writeScriptBin "upgrade-pg-cluster" ''
set -eux
# XXX it's perhaps advisable to stop all services that depend on postgresql
systemctl stop postgresql
export NEWDATA="/var/lib/postgresql/${cfg.pg-upgrade-to.psqlSchema}"
export NEWBIN="${cfg.pg-upgrade-to}/bin"
export OLDDATA="${config.services.postgresql.dataDir}"
export OLDBIN="${config.services.postgresql.package}/bin"
install -d -m 0700 -o postgres -g postgres "$NEWDATA"
cd "$NEWDATA"
sudo -u postgres $NEWBIN/initdb -D "$NEWDATA"
sudo -u postgres $NEWBIN/pg_upgrade \
--old-datadir "$OLDDATA" --new-datadir "$NEWDATA" \
--old-bindir $OLDBIN --new-bindir $NEWBIN \
"$@"
'');
};
}