Add basic kernel tests

nixos/release-combined.nix

@@ -91,6 +91,9 @@ in rec {
         (all nixos.tests.keymap.neo)
         (all nixos.tests.keymap.qwertz)
         (all nixos.tests.plasma5)
+        (all nixos.tests.kernel-copperhead)
+        (all nixos.tests.kernel-latest)
+        (all nixos.tests.kernel-lts)
         #(all nixos.tests.lightdm)
         (all nixos.tests.login)
         (all nixos.tests.misc)

nixos/release.nix

@@ -261,6 +261,9 @@ in rec {
   tests.plasma5 = callTest tests/plasma5.nix {};
   tests.keymap = callSubTests tests/keymap.nix {};
   tests.initrdNetwork = callTest tests/initrd-network.nix {};
+  tests.kernel-copperhead = tests/kernel-copperhead.nix {};
+  tests.kernel-latest = tests/kernel-latest.nix {};
+  tests.kernel-lts = tests/kernel-lts.nix {};
   tests.keystone = callTest tests/keystone.nix {};
   tests.kubernetes = hydraJob (import tests/kubernetes.nix { system = "x86_64-linux"; });
   tests.latestKernel.login = callTest tests/login.nix { latestKernel = true; };

nixos/tests/kernel-copperhead.nix

@@ -0,0 +1,19 @@
+import ./make-test.nix ({ pkgs, ...} : {
+  name = "kernel-copperhead";
+  meta = with pkgs.stdenv.lib.maintainers; {
+    maintainers = [ nequissimus ];
+  };
+
+  machine = { config, lib, pkgs, ... }:
+    {
+      boot.kernelPackages = pkgs.linuxPackages_hardened_copperhead;
+    };
+
+  testScript =
+    ''
+      $machine->succeed("uname -a");
+      $machine->succeed("uname -s | grep 'Linux'");
+      $machine->succeed("uname -a | grep '${pkgs.linuxPackages_hardened_copperhead.kernel.modDirVersion}'");
+      $machine->succeed("uname -a | grep 'hardened'");
+    '';
+})

nixos/tests/kernel-latest.nix

@@ -0,0 +1,17 @@
+import ./make-test.nix ({ pkgs, ...} : {
+  name = "kernel-latest";
+  meta = with pkgs.stdenv.lib.maintainers; {
+    maintainers = [ nequissimus ];
+  };
+
+  machine = { config, lib, pkgs, ... }:
+    {
+      boot.kernelPackages = pkgs.linuxPackages_latest;
+    };
+
+  testScript =
+    ''
+      $machine->succeed("uname -s | grep 'Linux'");
+      $machine->succeed("uname -a | grep '${pkgs.linuxPackages_latest.kernel.version}'");
+    '';
+})

nixos/tests/kernel-lts.nix

@@ -0,0 +1,17 @@
+import ./make-test.nix ({ pkgs, ...} : {
+  name = "kernel-lts";
+  meta = with pkgs.stdenv.lib.maintainers; {
+    maintainers = [ nequissimus ];
+  };
+
+  machine = { config, lib, pkgs, ... }:
+    {
+      boot.kernelPackages = pkgs.linuxPackages;
+    };
+
+  testScript =
+    ''
+      $machine->succeed("uname -s | grep 'Linux'");
+      $machine->succeed("uname -a | grep '${pkgs.linuxPackages.kernel.version}'");
+    '';
+})