feat(exports): service access

modules/system/exports/exports.nix

@@ -0,0 +1,48 @@
+{
+  config,
+  name,
+  lib,
+  ...
+}: let
+  inherit (lib.options) mkOption mkEnableOption;
+  cfg = config.exports;
+  systemConfig = config;
+  exportModule = {
+    config,
+    name,
+    ...
+  }: {
+    options = with lib.types; {
+      enable = mkEnableOption "exported service";
+      name = mkOption {
+        type = str;
+        default = name;
+      };
+      serviceName = mkOption {
+        type = str;
+        default = name;
+      };
+      id = mkOption {
+        type = str;
+        default = cfg.services.${config.serviceName}.id/* or config.name*/;
+      };
+    };
+  };
+in {
+  options.exports = with lib.types; {
+    exports = mkOption {
+      type = attrsOf (submoduleWith {
+        modules = [exportModule];
+        specialArgs = {
+          machine = name;
+          inherit systemConfig;
+        };
+      });
+      default = {};
+    };
+  };
+
+  config = {
+    _module.args.exports = cfg;
+  };
+}