nixos/sssd: fix the module

'system.nssModules' was not set correctly

fix #91242

nixos/modules/services/misc/sssd.nix

@@ -69,7 +69,7 @@ in {
         mode = "0400";
       };
 
-      system.nssModules = pkgs.sssd;
+      system.nssModules = [ pkgs.sssd ];
       system.nssDatabases = {
         group = [ "sss" ];
         passwd = [ "sss" ];
@@ -92,4 +92,6 @@ in {
     services.openssh.authorizedKeysCommand = "/etc/ssh/authorized_keys_command";
     services.openssh.authorizedKeysCommandUser = "nobody";
   })];
+
+  meta.maintainers = with maintainers; [ bbigras ];
 }

nixos/tests/all-tests.nix

@@ -320,6 +320,7 @@ in
   spike = handleTest ./spike.nix {};
   sonarr = handleTest ./sonarr.nix {};
   sslh = handleTest ./sslh.nix {};
+  sssd = handleTestOn ["x86_64-linux"] ./sssd.nix {};
   strongswan-swanctl = handleTest ./strongswan-swanctl.nix {};
   sudo = handleTest ./sudo.nix {};
   switchTest = handleTest ./switch-test.nix {};

nixos/tests/sssd.nix

@@ -0,0 +1,17 @@
+import ./make-test-python.nix ({ pkgs, ... }:
+
+{
+  name = "sssd";
+  meta = with pkgs.stdenv.lib.maintainers; {
+    maintainers = [ bbigras ];
+  };
+  machine = { pkgs, ... }: {
+    services.sssd.enable = true;
+  };
+
+  testScript = ''
+      start_all()
+      machine.wait_for_unit("multi-user.target")
+      machine.wait_for_unit("sssd.service")
+    '';
+})