Inventory/modules: use explicit roles only

clanModules/machine-id/default.nix

@@ -1,45 +1,6 @@
+# Dont import this file
+# It is only here for backwards compatibility.
+# Dont author new modules with this file.
 {
-  config,
-  pkgs,
-  lib,
-  ...
-}:
-
-let
-  var = config.clan.core.vars.generators.machine-id.files.machineId or { };
-in
-{
-  config = lib.mkMerge [
-    (lib.mkIf ((var.machineId.value or null) != null) {
-      assertions = [
-        {
-          assertion = lib.stringLength var.machineId.value == 32;
-          message = "machineId must be exactly 32 characters long.";
-        }
-      ];
-      boot.kernelParams = [
-        ''systemd.machine_id=${var.machineId.value}''
-      ];
-      environment.etc."machine-id" = {
-        text = var.machineId.value;
-      };
-    })
-    {
-      clan.core.vars.generators.machine-id = {
-        files.machineId.secret = false;
-        runtimeInputs = [
-          pkgs.coreutils
-          pkgs.bash
-        ];
-        script = ''
-          uuid=$(bash ${../uuid4.sh})
-
-          # Remove the hyphens from the UUID
-          uuid_no_hyphens=$(echo -n "$uuid" | tr -d '-')
-
-          echo -n "$uuid_no_hyphens" > "$out/machineId"
-        '';
-      };
-    }
-  ];
+  imports = [ ./roles/default.nix ];
 }

clanModules/machine-id/roles/default.nix

@@ -0,0 +1,45 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+
+let
+  var = config.clan.core.vars.generators.machine-id.files.machineId or { };
+in
+{
+  config = lib.mkMerge [
+    (lib.mkIf ((var.machineId.value or null) != null) {
+      assertions = [
+        {
+          assertion = lib.stringLength var.machineId.value == 32;
+          message = "machineId must be exactly 32 characters long.";
+        }
+      ];
+      boot.kernelParams = [
+        ''systemd.machine_id=${var.machineId.value}''
+      ];
+      environment.etc."machine-id" = {
+        text = var.machineId.value;
+      };
+    })
+    {
+      clan.core.vars.generators.machine-id = {
+        files.machineId.secret = false;
+        runtimeInputs = [
+          pkgs.coreutils
+          pkgs.bash
+        ];
+        script = ''
+          uuid=$(bash ${../uuid4.sh})
+
+          # Remove the hyphens from the UUID
+          uuid_no_hyphens=$(echo -n "$uuid" | tr -d '-')
+
+          echo -n "$uuid_no_hyphens" > "$out/machineId"
+        '';
+      };
+    }
+  ];
+}