bicep/postgres: add cleanup timers

hosts/bicep/services/postgresql/cleanup-timers.nix

@@ -0,0 +1,37 @@
+{ config, lib, pkgs, ... }:
+let
+  cfg = config.services.postgresql;
+in
+{
+  config = lib.mkIf cfg.enable {
+    systemd.services = {
+      postgresql-repack = {
+        requires = [ "postgresql.service" ];
+        after = [ "postgresql.target" ];
+        description = "Repack all PostgreSQL databases";
+        startAt = "Mon 06:00:00";
+        serviceConfig = {
+          Type = "oneshot";
+          User = "postgres";
+          Group = "postgres";
+
+          ExecStart = "${lib.getExe cfg.package.pkgs.pg_repack} --port=${builtins.toString cfg.settings.port} --all";
+        };
+      };
+
+      postgresql-vacuum-analyze = {
+        requires = [ "postgresql.service" ];
+        after = [ "postgresql.target" ];
+        description = "Vacuum and analyze all PostgreSQL databases";
+        startAt = "Tue 06:00:00";
+        serviceConfig = {
+          Type = "oneshot";
+          User = "postgres";
+          Group = "postgres";
+
+          ExecStart = "${lib.getExe' cfg.package "psql"} --port=${builtins.toString cfg.settings.port} -tAc 'VACUUM ANALYZE'";
+        };
+      };
+    };
+  };
+}

hosts/bicep/services/postgresql/default.nix

@@ -3,11 +3,15 @@ let
   cfg = config.services.postgresql;
 in
 {
-  imports = [ ./backup.nix ];
+  imports = [
+    ./backup.nix
+    ./cleanup-timers.nix
+  ];
 
   services.postgresql = {
     enable = true;
     package = pkgs.postgresql_18;
+    extensions = ps: with ps; [ pg_repack ];
     enableTCPIP = true;
 
     authentication = ''