tests: enable swraid, add luks-on-mdadm test

example/luks-on-mdadm.nix

@@ -0,0 +1,58 @@
+{ lib, ... }:
+{
+  disko.devices.disk = lib.genAttrs [ "a" "b" ] (name: {
+    type = "disk";
+    device = "/dev/sd${name}";
+    content = {
+      type = "gpt";
+      partitions = {
+        boot = {
+          size = "1M";
+          type = "EF02"; # for grub MBR
+        };
+        ESP = {
+          size = "100M";
+          type = "EF00";
+          content = {
+            type = "mdraid";
+            name = "boot";
+          };
+        };
+        mdadm = {
+          size = "100%";
+          content = {
+            type = "mdraid";
+            name = "raid1";
+          };
+        };
+      };
+    };
+  });
+  disko.devices.mdadm = {
+    boot = {
+      type = "mdadm";
+      level = 1;
+      metadata = "1.0";
+      content = {
+        type = "filesystem";
+        format = "vfat";
+        mountpoint = "/boot";
+      };
+    };
+    raid1 = {
+      type = "mdadm";
+      level = 1;
+      content = {
+        type = "luks";
+        name = "crypted";
+        settings.keyFile = "/tmp/secret.key";
+        content= {
+          type = "filesystem";
+          format = "ext4";
+          mountpoint = "/";
+        };
+      };
+    };
+  };
+}
+

lib/tests.nix

@@ -167,11 +167,14 @@ let
               networking.hostId = "8425e349";
             })
           ];
+
+          boot.initrd.services.swraid.enable = true;
+          systemd.services.mdmonitor.enable = false; # silence some weird warnings
+
           environment.systemPackages = [
             pkgs.jq
           ];
 
-
           # speed-up eval
           documentation.enable = false;
 

tests/luks-on-mdadm.nix

@@ -0,0 +1,16 @@
+{ pkgs ? import <nixpkgs> { }
+, diskoLib ? pkgs.callPackage ../lib { }
+}:
+diskoLib.testLib.makeDiskoTest {
+  inherit pkgs;
+  name = "luks-on-mdadm";
+  disko-config = ../example/luks-on-mdadm.nix;
+  extraTestScript = ''
+    machine.succeed("test -b /dev/md/raid1");
+    machine.succeed("mountpoint /");
+  '';
+  extraSystemConfig = {
+    # sadly systemd-boot fails to install to a raid /boot device
+    boot.loader.systemd-boot.enable = false;
+  };
+}