import ./make-test-python.nix ({ lib, pkgs, ... }: { name = "systemd-initrd-btrfs-raid"; nodes.machine = { pkgs, ... }: { # Use systemd-boot virtualisation = { emptyDiskImages = [ 512 512 ]; useBootLoader = true; # Booting off the BTRFS RAID requires an available init script from the Nix store mountHostNixStore = 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.rootDevice = "/dev/vdb"; }; }; testScript = '' # Create RAID machine.succeed("mkfs.btrfs -d raid0 /dev/vdb /dev/vdc") machine.succeed("mkdir -p /mnt && mount /dev/vdb /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/vdb on / type btrfs" in machine.succeed("mount") assert "hello" in machine.succeed("cat /test") assert "Total devices 2" in machine.succeed("btrfs filesystem show") ''; })