nixos/tests/kernel-rust: init

nixos/tests/all-tests.nix

@@ -448,6 +448,7 @@ in {
   kerberos = handleTest ./kerberos/default.nix {};
   kernel-generic = handleTest ./kernel-generic.nix {};
   kernel-latest-ath-user-regd = handleTest ./kernel-latest-ath-user-regd.nix {};
+  kernel-rust = runTestOn ["x86_64-linux"] ./kernel-rust.nix;
   keter = handleTest ./keter.nix {};
   kexec = handleTest ./kexec.nix {};
   keycloak = discoverTests (import ./keycloak.nix);

nixos/tests/kernel-rust.nix

@@ -0,0 +1,30 @@
+{ pkgs, ... }: {
+  name = "kernel-rust";
+  meta = with pkgs.lib.maintainers; {
+    maintainers = [ blitz ];
+  };
+
+  nodes.machine = { config, pkgs, ... }:
+    {
+      boot.kernelPackages = pkgs.linuxPackages_testing;
+
+      boot.extraModulePackages = [
+        config.boot.kernelPackages.rust-out-of-tree-module
+      ];
+
+      boot.kernelPatches = [
+        {
+          name = "Rust Support";
+          patch = null;
+          features = {
+            rust = true;
+          };
+        }
+      ];
+    };
+
+  testScript = ''
+    machine.wait_for_unit("default.target")
+    machine.succeed("modprobe rust_out_of_tree")
+  '';
+}