add postgresql backup hooks

checks/flake-module.nix

@@ -44,6 +44,7 @@
             zt-tcp-relay = import ./zt-tcp-relay nixosTestArgs;
             borgbackup = import ./borgbackup nixosTestArgs;
             syncthing = import ./syncthing nixosTestArgs;
+            postgresql = import ./postgresql nixosTestArgs;
             wayland-proxy-virtwl = import ./wayland-proxy-virtwl nixosTestArgs;
           };
 

checks/postgresql/default.nix

@@ -0,0 +1,22 @@
+(import ../lib/container-test.nix) (
+  {
+    name = "postgresql";
+
+    nodes.machine = { self, ... }:
+      {
+        imports = [
+          self.nixosModules.clanCore
+          self.clanModules.postgresql
+          self.clanModules.localbackup
+        ];
+        clan.postgresl.databases = [ "test" ];
+        clan.localbackup.targets.hdd.directory = "/mnt/external-disk";
+      };
+    testScript = ''
+      start_all()
+      machine.succeed("systemctl status postgresql")
+      machine.wait_for_unit("postgresql")
+      machine.succeed("localbackup-create")
+      machine.succeed("ls -la /var/backups/postgresql")
+    '';
+})