Rewrite

nix/module.nix

@@ -2,17 +2,16 @@ inputs: {
   config,
   lib,
   pkgs,
-  system,
   ...
 }: let
-  cfg = config.testdata;
+  cfg = config.services.testdata;
   package = inputs.self.packages.${pkgs.stdenv.hostPlatform.system}.default;
   inherit (lib) mkIf mkEnableOption mkOption types;
 
   format = pkgs.formats.json {};
   configFile = format.generate "config.json" cfg.settings;
 in {
-  options.testdata = {
+  options.services.testdata = {
     enable = mkEnableOption "testdata";
 
     settings = mkOption {
@@ -29,7 +28,17 @@ in {
         ]);
       in
         valueType;
-      default = throw "Please specify testdata.settings";
+      default = throw "Please specify services.testdata.settings";
+    };
+
+    host = mkOption {
+      type = types.str;
+      default = throw "Please specify a services.testdata.port";
+    };
+
+    port = mkOption {
+      type = types.int;
+      default = throw "Please specify a services.testdata.port";
     };
   };
 
@@ -41,7 +50,7 @@ in {
 
       serviceConfig = {
         Type = "simple";
-        ExecStart = "${package}/bin/testdata --config ${configFile}";
+        ExecStart = "${package}/bin/testdata --config ${configFile} --listen ${cfg.host} --port ${builtins.toString cfg.port}";
       };
 
       wantedBy = ["multi-user.target"];