import ./make-test-python.nix ({ lib, pkgs, ... }: { name = "systemd-initrd-swraid"; nodes.machine = { pkgs, ... }: { # Use systemd-boot virtualisation = { emptyDiskImages = [ 512 512 ]; useBootLoader = true; # Booting off the RAID requires an available init script mountHostNixStore = true; useEFIBoot = true; }; boot.loader.systemd-boot.enable = true; boot.loader.efi.canTouchEfiVariables = true; environment.systemPackages = with pkgs; [ mdadm e2fsprogs ]; # for mdadm and mkfs.ext4 boot.initrd = { systemd = { enable = true; emergencyAccess = true; }; services.swraid = { enable = true; mdadmConf = '' ARRAY /dev/md0 devices=/dev/vdb,/dev/vdc ''; }; kernelModules = [ "raid0" ]; }; specialisation.boot-swraid.configuration.virtualisation.rootDevice = "/dev/disk/by-label/testraid"; }; testScript = '' # Create RAID machine.succeed("mdadm --create --force /dev/md0 -n 2 --level=raid0 /dev/vdb /dev/vdc") machine.succeed("mkfs.ext4 -L testraid /dev/md0") machine.succeed("mkdir -p /mnt && mount /dev/md0 /mnt && echo hello > /mnt/test && umount /mnt") # Boot from the RAID machine.succeed("bootctl set-default nixos-generation-1-specialisation-boot-swraid.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/md0 on / type ext4" in machine.succeed("mount") assert "hello" in machine.succeed("cat /test") assert "md0" in machine.succeed("cat /proc/mdstat") ''; })