nixos/n8n: disable telemetry by default

Originally intended to just speed up the tests, but probably a good idea in general.

nixos/modules/services/misc/n8n.nix

@@ -9,7 +9,6 @@ let
 in
 {
   options.services.n8n = {
-
     enable = mkEnableOption (lib.mdDoc "n8n server");
 
     openFirewall = mkOption {
@@ -22,7 +21,7 @@ in
       type = format.type;
       default = {};
       description = lib.mdDoc ''
-        Configuration for n8n, see <https://docs.n8n.io/reference/configuration.html>
+        Configuration for n8n, see <https://docs.n8n.io/hosting/environment-variables/configuration-methods/>
         for supported values.
       '';
     };
@@ -45,6 +44,10 @@ in
         N8N_USER_FOLDER = "/var/lib/n8n";
         HOME = "/var/lib/n8n";
         N8N_CONFIG_FILES = "${configFile}";
+
+        # Don't phone home
+        N8N_DIAGNOSTICS_ENABLED = "false";
+        N8N_VERSION_NOTIFICATIONS_ENABLED = "false";
       };
       serviceConfig = {
         Type = "simple";

nixos/tests/n8n.nix

@@ -19,7 +19,7 @@ in
 
   testScript = ''
     machine.wait_for_unit("n8n.service")
-    machine.wait_for_open_port(${toString port})
-    machine.succeed("curl --fail http://localhost:${toString port}/")
+    machine.wait_for_console_text("Editor is now accessible via")
+    machine.succeed("curl --fail -vvv http://localhost:${toString port}/")
   '';
 })