1 files changed, 25 insertions, 0 deletions
diff --git a/nixos/lib/testing/legacy.nix b/nixos/lib/testing/legacy.nix
new file mode 100644
index 00000000000..868b8b65b17
--- /dev/null
+++ b/nixos/lib/testing/legacy.nix
@@ -0,0 +1,25 @@
+{ config, options, lib, ... }:
+let
+  inherit (lib) mkIf mkOption types;
+in
+{
+  # This needs options.warnings, which we don't have (yet?).
+  # imports = [
+  #   (lib.mkRenamedOptionModule [ "machine" ] [ "nodes" "machine" ])
+  # ];
+
+  options = {
+    machine = mkOption {
+      internal = true;
+      type = types.raw;
+    };
+  };
+
+  config = {
+    nodes = mkIf options.machine.isDefined (
+      lib.warn
+        "In test `${config.name}': The `machine' attribute in NixOS tests (pkgs.nixosTest / make-test-python.nix / testing-python.nix / makeTest) is deprecated. Please set the equivalent `nodes.machine'."
+        { inherit (config) machine; }
+    );
+  };
+}