NixOS/modules/servers/postgres.nix

66 lines
1.7 KiB
Nix

{
config,
lib,
pkgs,
...
}:
let
cfg = config.my.servers.postgres;
# upgrade here first, then below.
upgrade-pg-cluster =
let
newPostgres = pkgs.postgresql_17.withPackages (_pp: [ ]);
in
pkgs.writeScriptBin "upgrade-pg-cluster" ''
set -eux
systemctl stop postgresql
export NEWDATA="/var/lib/postgresql/${newPostgres.psqlSchema}"
export NEWBIN="${newPostgres}/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 $NEWBIN \
"$@"
'';
dbNames = [
"jawz"
"paperless"
"nextcloud"
"ryot"
"vaultwarden"
"shiori"
"mealie"
"firefly-iii"
"matrix-synapse"
"readeck"
"sonarqube"
"gitea"
];
in
{
options.my.servers.postgres.enable = lib.mkEnableOption "PostgreSQL database server";
config = lib.mkIf cfg.enable {
environment.systemPackages = [ upgrade-pg-cluster ];
services.postgresql = {
inherit (cfg) enable;
enableTCPIP = true;
ensureDatabases = dbNames;
package = pkgs.postgresql_17;
ensureUsers = map (name: {
inherit name;
ensureDBOwnership = true;
}) dbNames;
authentication = pkgs.lib.mkOverride 10 ''
local all all trust
host all all ${config.my.localhost}/32 trust
host all all ::1/128 trust
host all all 10.88.0.0/16 scram-sha-256
'';
};
};
}