1 files changed, 45 insertions, 0 deletions
diff --git a/nixpkgs/nixos/tests/systemd-initrd-btrfs-raid.nix b/nixpkgs/nixos/tests/systemd-initrd-btrfs-raid.nix
new file mode 100644
index 000000000000..40fd2d4dc611
--- /dev/null
+++ b/nixpkgs/nixos/tests/systemd-initrd-btrfs-raid.nix
@@ -0,0 +1,45 @@
+import ./make-test-python.nix ({ lib, pkgs, ... }: {
+  name = "systemd-initrd-btrfs-raid";
+
+  nodes.machine = { pkgs, ... }: {
+    # Use systemd-boot
+    virtualisation = {
+      emptyDiskImages = [ 512 512 ];
+      useBootLoader = true;
+      useEFIBoot = true;
+    };
+    boot.loader.systemd-boot.enable = true;
+    boot.loader.efi.canTouchEfiVariables = true;
+
+    environment.systemPackages = with pkgs; [ btrfs-progs ];
+    boot.initrd.systemd = {
+      enable = true;
+      emergencyAccess = true;
+    };
+
+    specialisation.boot-btrfs-raid.configuration = {
+      fileSystems = lib.mkVMOverride {
+        "/".fsType = lib.mkForce "btrfs";
+      };
+      virtualisation.bootDevice = "/dev/vdc";
+    };
+  };
+
+  testScript = ''
+    # Create RAID
+    machine.succeed("mkfs.btrfs -d raid0 /dev/vdc /dev/vdd")
+    machine.succeed("mkdir -p /mnt && mount /dev/vdc /mnt && echo hello > /mnt/test && umount /mnt")
+
+    # Boot from the RAID
+    machine.succeed("bootctl set-default nixos-generation-1-specialisation-boot-btrfs-raid.conf")
+    machine.succeed("sync")
+    machine.crash()
+    machine.wait_for_unit("multi-user.target")
+
+    # Ensure we have successfully booted from the RAID
+    assert "(initrd)" in machine.succeed("systemd-analyze")  # booted with systemd in stage 1
+    assert "/dev/vdc on / type btrfs" in machine.succeed("mount")
+    assert "hello" in machine.succeed("cat /test")
+    assert "Total devices 2" in machine.succeed("btrfs filesystem show")
+  '';
+})