{ system ? builtins.currentSystem, config ? {}, pkgs ? import ../.. { inherit system config; } }: with import ../lib/testing-python.nix { inherit system pkgs; }; with pkgs.lib; let # The configuration to install. makeConfig = { bootLoader, grubVersion, grubDevice, grubIdentifier, grubUseEfi , extraConfig, forceGrubReinstallCount ? 0 }: pkgs.writeText "configuration.nix" '' { config, lib, pkgs, modulesPath, ... }: { imports = [ ./hardware-configuration.nix <nixpkgs/nixos/modules/testing/test-instrumentation.nix> ]; # To ensure that we can rebuild the grub configuration on the nixos-rebuild system.extraDependencies = with pkgs; [ stdenvNoCC ]; ${optionalString (bootLoader == "grub") '' boot.loader.grub.version = ${toString grubVersion}; ${optionalString (grubVersion == 1) '' boot.loader.grub.splashImage = null; ''} boot.loader.grub.extraConfig = "serial; terminal_output serial"; ${if grubUseEfi then '' boot.loader.grub.device = "nodev"; boot.loader.grub.efiSupport = true; boot.loader.grub.efiInstallAsRemovable = true; # XXX: needed for OVMF? '' else '' boot.loader.grub.device = "${grubDevice}"; boot.loader.grub.fsIdentifier = "${grubIdentifier}"; ''} boot.loader.grub.configurationLimit = 100 + ${toString forceGrubReinstallCount}; ''} ${optionalString (bootLoader == "systemd-boot") '' boot.loader.systemd-boot.enable = true; ''} users.users.alice = { isNormalUser = true; home = "/home/alice"; description = "Alice Foobar"; }; hardware.enableAllFirmware = lib.mkForce false; ${replaceChars ["\n"] ["\n "] extraConfig} } ''; # The test script boots a NixOS VM, installs NixOS on an empty hard # disk, and then reboot from the hard disk. It's parameterized with # a test script fragment `createPartitions', which must create # partitions and filesystems. testScriptFun = { bootLoader, createPartitions, grubVersion, grubDevice, grubUseEfi , grubIdentifier, preBootCommands, postBootCommands, extraConfig , testSpecialisationConfig }: let iface = if grubVersion == 1 then "ide" else "virtio"; isEfi = bootLoader == "systemd-boot" || (bootLoader == "grub" && grubUseEfi); bios = if pkgs.stdenv.isAarch64 then "QEMU_EFI.fd" else "OVMF.fd"; in if !isEfi && !pkgs.stdenv.hostPlatform.isx86 then throw "Non-EFI boot methods are only supported on i686 / x86_64" else '' def assemble_qemu_flags(): flags = "-cpu max" ${if (system == "x86_64-linux" || system == "i686-linux") then ''flags += " -m 1024"'' else ''flags += " -m 768 -enable-kvm -machine virt,gic-version=host"'' } return flags qemu_flags = {"qemuFlags": assemble_qemu_flags()} hd_flags = { "hdaInterface": "${iface}", "hda": "vm-state-machine/machine.qcow2", } ${optionalString isEfi '' hd_flags.update( bios="${pkgs.OVMF.fd}/FV/${bios}" )'' } default_flags = {**hd_flags, **qemu_flags} def create_machine_named(name): return create_machine({**default_flags, "name": name}) machine.start() with subtest("Assert readiness of login prompt"): machine.succeed("echo hello") with subtest("Wait for hard disks to appear in /dev"): machine.succeed("udevadm settle") ${createPartitions} with subtest("Create the NixOS configuration"): machine.succeed("nixos-generate-config --root /mnt") machine.succeed("cat /mnt/etc/nixos/hardware-configuration.nix >&2") machine.copy_from_host( "${ makeConfig { inherit bootLoader grubVersion grubDevice grubIdentifier grubUseEfi extraConfig; } }", "/mnt/etc/nixos/configuration.nix", ) with subtest("Perform the installation"): machine.succeed("nixos-install < /dev/null >&2") with subtest("Do it again to make sure it's idempotent"): machine.succeed("nixos-install < /dev/null >&2") with subtest("Shutdown system after installation"): machine.succeed("umount /mnt/boot || true") machine.succeed("umount /mnt") machine.succeed("sync") machine.shutdown() # Now see if we can boot the installation. machine = create_machine_named("boot-after-install") # For example to enter LUKS passphrase. ${preBootCommands} with subtest("Assert that /boot get mounted"): machine.wait_for_unit("local-fs.target") ${if bootLoader == "grub" then ''machine.succeed("test -e /boot/grub")'' else ''machine.succeed("test -e /boot/loader/loader.conf")'' } with subtest("Check whether /root has correct permissions"): assert "700" in machine.succeed("stat -c '%a' /root") with subtest("Assert swap device got activated"): # uncomment once https://bugs.freedesktop.org/show_bug.cgi?id=86930 is resolved machine.wait_for_unit("swap.target") machine.succeed("cat /proc/swaps | grep -q /dev") with subtest("Check that the store is in good shape"): machine.succeed("nix-store --verify --check-contents >&2") with subtest("Check whether the channel works"): machine.succeed("nix-env -iA nixos.procps >&2") assert ".nix-profile" in machine.succeed("type -tP ps | tee /dev/stderr") with subtest( "Check that the daemon works, and that non-root users can run builds " "(this will build a new profile generation through the daemon)" ): machine.succeed("su alice -l -c 'nix-env -iA nixos.procps' >&2") with subtest("Configure system with writable Nix store on next boot"): # we're not using copy_from_host here because the installer image # doesn't know about the host-guest sharing mechanism. machine.copy_from_host_via_shell( "${ makeConfig { inherit bootLoader grubVersion grubDevice grubIdentifier grubUseEfi extraConfig; forceGrubReinstallCount = 1; } }", "/etc/nixos/configuration.nix", ) with subtest("Check whether nixos-rebuild works"): machine.succeed("nixos-rebuild switch >&2") # FIXME: Nix 2.4 broke nixos-option, someone has to fix it. # with subtest("Test nixos-option"): # kernel_modules = machine.succeed("nixos-option boot.initrd.kernelModules") # assert "virtio_console" in kernel_modules # assert "List of modules" in kernel_modules # assert "qemu-guest.nix" in kernel_modules machine.shutdown() # Check whether a writable store build works machine = create_machine_named("rebuild-switch") ${preBootCommands} machine.wait_for_unit("multi-user.target") # we're not using copy_from_host here because the installer image # doesn't know about the host-guest sharing mechanism. machine.copy_from_host_via_shell( "${ makeConfig { inherit bootLoader grubVersion grubDevice grubIdentifier grubUseEfi extraConfig; forceGrubReinstallCount = 2; } }", "/etc/nixos/configuration.nix", ) machine.succeed("nixos-rebuild boot >&2") machine.shutdown() # And just to be sure, check that the machine still boots after # "nixos-rebuild switch". machine = create_machine_named("boot-after-rebuild-switch") ${preBootCommands} machine.wait_for_unit("network.target") ${postBootCommands} machine.shutdown() # Tests for validating clone configuration entries in grub menu '' + optionalString testSpecialisationConfig '' # Reboot Machine machine = create_machine_named("clone-default-config") ${preBootCommands} machine.wait_for_unit("multi-user.target") with subtest("Booted configuration name should be 'Home'"): # This is not the name that shows in the grub menu. # The default configuration is always shown as "Default" machine.succeed("cat /run/booted-system/configuration-name >&2") assert "Home" in machine.succeed("cat /run/booted-system/configuration-name") with subtest("We should **not** find a file named /etc/gitconfig"): machine.fail("test -e /etc/gitconfig") with subtest("Set grub to boot the second configuration"): machine.succeed("grub-reboot 1") ${postBootCommands} machine.shutdown() # Reboot Machine machine = create_machine_named("clone-alternate-config") ${preBootCommands} machine.wait_for_unit("multi-user.target") with subtest("Booted configuration name should be Work"): machine.succeed("cat /run/booted-system/configuration-name >&2") assert "Work" in machine.succeed("cat /run/booted-system/configuration-name") with subtest("We should find a file named /etc/gitconfig"): machine.succeed("test -e /etc/gitconfig") ${postBootCommands} machine.shutdown() ''; makeInstallerTest = name: { createPartitions, preBootCommands ? "", postBootCommands ? "", extraConfig ? "" , extraInstallerConfig ? {} , bootLoader ? "grub" # either "grub" or "systemd-boot" , grubVersion ? 2, grubDevice ? "/dev/vda", grubIdentifier ? "uuid", grubUseEfi ? false , enableOCR ? false, meta ? {} , testSpecialisationConfig ? false }: makeTest { inherit enableOCR; name = "installer-" + name; meta = with pkgs.lib.maintainers; { # put global maintainers here, individuals go into makeInstallerTest fkt call maintainers = (meta.maintainers or []); }; nodes = { # The configuration of the machine used to run "nixos-install". machine = { pkgs, ... }: { imports = [ ../modules/profiles/installation-device.nix ../modules/profiles/base.nix extraInstallerConfig ]; # builds stuff in the VM, needs more juice virtualisation.diskSize = 8 * 1024; virtualisation.cores = 8; virtualisation.memorySize = 1536; # Use a small /dev/vdb as the root disk for the # installer. This ensures the target disk (/dev/vda) is # the same during and after installation. virtualisation.emptyDiskImages = [ 512 ]; virtualisation.bootDevice = if grubVersion == 1 then "/dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_drive2" else "/dev/vdb"; virtualisation.qemu.diskInterface = if grubVersion == 1 then "scsi" else "virtio"; boot.loader.systemd-boot.enable = mkIf (bootLoader == "systemd-boot") true; hardware.enableAllFirmware = mkForce false; # The test cannot access the network, so any packages we # need must be included in the VM. system.extraDependencies = with pkgs; [ desktop-file-utils docbook5 docbook_xsl_ns libxml2.bin libxslt.bin nixos-artwork.wallpapers.simple-dark-gray-bottom ntp perlPackages.ListCompare perlPackages.XMLLibXML shared-mime-info sudo texinfo unionfs-fuse xorg.lndir # add curl so that rather than seeing the test attempt to download # curl's tarball, we see what it's trying to download curl ] ++ optional (bootLoader == "grub" && grubVersion == 1) pkgs.grub ++ optionals (bootLoader == "grub" && grubVersion == 2) (let zfsSupport = lib.any (x: x == "zfs") (extraInstallerConfig.boot.supportedFilesystems or []); in [ (pkgs.grub2.override { inherit zfsSupport; }) (pkgs.grub2_efi.override { inherit zfsSupport; }) ]); nix.binaryCaches = mkForce [ ]; nix.extraOptions = '' hashed-mirrors = connect-timeout = 1 ''; }; }; testScript = testScriptFun { inherit bootLoader createPartitions preBootCommands postBootCommands grubVersion grubDevice grubIdentifier grubUseEfi extraConfig testSpecialisationConfig; }; }; makeLuksRootTest = name: luksFormatOpts: makeInstallerTest name { createPartitions = '' machine.succeed( "flock /dev/vda parted --script /dev/vda -- mklabel msdos" + " mkpart primary ext2 1M 50MB" # /boot + " mkpart primary linux-swap 50M 1024M" + " mkpart primary 1024M -1s", # LUKS "udevadm settle", "mkswap /dev/vda2 -L swap", "swapon -L swap", "modprobe dm_mod dm_crypt", "echo -n supersecret | cryptsetup luksFormat ${luksFormatOpts} -q /dev/vda3 -", "echo -n supersecret | cryptsetup luksOpen --key-file - /dev/vda3 cryptroot", "mkfs.ext3 -L nixos /dev/mapper/cryptroot", "mount LABEL=nixos /mnt", "mkfs.ext3 -L boot /dev/vda1", "mkdir -p /mnt/boot", "mount LABEL=boot /mnt/boot", ) ''; extraConfig = '' boot.kernelParams = lib.mkAfter [ "console=tty0" ]; ''; enableOCR = true; preBootCommands = '' machine.start() machine.wait_for_text("Passphrase for") machine.send_chars("supersecret\n") ''; }; # The (almost) simplest partitioning scheme: a swap partition and # one big filesystem partition. simple-test-config = { createPartitions = '' machine.succeed( "flock /dev/vda parted --script /dev/vda -- mklabel msdos" + " mkpart primary linux-swap 1M 1024M" + " mkpart primary ext2 1024M -1s", "udevadm settle", "mkswap /dev/vda1 -L swap", "swapon -L swap", "mkfs.ext3 -L nixos /dev/vda2", "mount LABEL=nixos /mnt", ) ''; }; simple-uefi-grub-config = { createPartitions = '' machine.succeed( "flock /dev/vda parted --script /dev/vda -- mklabel gpt" + " mkpart ESP fat32 1M 100MiB" # /boot + " set 1 boot on" + " mkpart primary linux-swap 100MiB 1024MiB" + " mkpart primary ext2 1024MiB -1MiB", # / "udevadm settle", "mkswap /dev/vda2 -L swap", "swapon -L swap", "mkfs.ext3 -L nixos /dev/vda3", "mount LABEL=nixos /mnt", "mkfs.vfat -n BOOT /dev/vda1", "mkdir -p /mnt/boot", "mount LABEL=BOOT /mnt/boot", ) ''; bootLoader = "grub"; grubUseEfi = true; }; specialisation-test-extraconfig = { extraConfig = '' environment.systemPackages = [ pkgs.grub2 ]; boot.loader.grub.configurationName = "Home"; specialisation.work.configuration = { boot.loader.grub.configurationName = lib.mkForce "Work"; environment.etc = { "gitconfig".text = " [core] gitproxy = none for work.com "; }; }; ''; testSpecialisationConfig = true; }; in { # !!! `parted mkpart' seems to silently create overlapping partitions. # The (almost) simplest partitioning scheme: a swap partition and # one big filesystem partition. simple = makeInstallerTest "simple" simple-test-config; # Test cloned configurations with the simple grub configuration simpleSpecialised = makeInstallerTest "simpleSpecialised" (simple-test-config // specialisation-test-extraconfig); # Simple GPT/UEFI configuration using systemd-boot with 3 partitions: ESP, swap & root filesystem simpleUefiSystemdBoot = makeInstallerTest "simpleUefiSystemdBoot" { createPartitions = '' machine.succeed( "flock /dev/vda parted --script /dev/vda -- mklabel gpt" + " mkpart ESP fat32 1M 50MiB" # /boot + " set 1 boot on" + " mkpart primary linux-swap 50MiB 1024MiB" + " mkpart primary ext2 1024MiB -1MiB", # / "udevadm settle", "mkswap /dev/vda2 -L swap", "swapon -L swap", "mkfs.ext3 -L nixos /dev/vda3", "mount LABEL=nixos /mnt", "mkfs.vfat -n BOOT /dev/vda1", "mkdir -p /mnt/boot", "mount LABEL=BOOT /mnt/boot", ) ''; bootLoader = "systemd-boot"; }; simpleUefiGrub = makeInstallerTest "simpleUefiGrub" simple-uefi-grub-config; # Test cloned configurations with the uefi grub configuration simpleUefiGrubSpecialisation = makeInstallerTest "simpleUefiGrubSpecialisation" (simple-uefi-grub-config // specialisation-test-extraconfig); # Same as the previous, but now with a separate /boot partition. separateBoot = makeInstallerTest "separateBoot" { createPartitions = '' machine.succeed( "flock /dev/vda parted --script /dev/vda -- mklabel msdos" + " mkpart primary ext2 1M 50MB" # /boot + " mkpart primary linux-swap 50MB 1024M" + " mkpart primary ext2 1024M -1s", # / "udevadm settle", "mkswap /dev/vda2 -L swap", "swapon -L swap", "mkfs.ext3 -L nixos /dev/vda3", "mount LABEL=nixos /mnt", "mkfs.ext3 -L boot /dev/vda1", "mkdir -p /mnt/boot", "mount LABEL=boot /mnt/boot", ) ''; }; # Same as the previous, but with fat32 /boot. separateBootFat = makeInstallerTest "separateBootFat" { createPartitions = '' machine.succeed( "flock /dev/vda parted --script /dev/vda -- mklabel msdos" + " mkpart primary ext2 1M 50MB" # /boot + " mkpart primary linux-swap 50MB 1024M" + " mkpart primary ext2 1024M -1s", # / "udevadm settle", "mkswap /dev/vda2 -L swap", "swapon -L swap", "mkfs.ext3 -L nixos /dev/vda3", "mount LABEL=nixos /mnt", "mkfs.vfat -n BOOT /dev/vda1", "mkdir -p /mnt/boot", "mount LABEL=BOOT /mnt/boot", ) ''; }; # zfs on / with swap zfsroot = makeInstallerTest "zfs-root" { extraInstallerConfig = { boot.supportedFilesystems = [ "zfs" ]; }; extraConfig = '' boot.supportedFilesystems = [ "zfs" ]; # Using by-uuid overrides the default of by-id, and is unique # to the qemu disks, as they don't produce by-id paths for # some reason. boot.zfs.devNodes = "/dev/disk/by-uuid/"; networking.hostId = "00000000"; ''; createPartitions = '' machine.succeed( "flock /dev/vda parted --script /dev/vda -- mklabel msdos" + " mkpart primary linux-swap 1M 1024M" + " mkpart primary 1024M -1s", "udevadm settle", "mkswap /dev/vda1 -L swap", "swapon -L swap", "zpool create rpool /dev/vda2", "zfs create -o mountpoint=legacy rpool/root", "mount -t zfs rpool/root /mnt", "udevadm settle", ) ''; }; # Create two physical LVM partitions combined into one volume group # that contains the logical swap and root partitions. lvm = makeInstallerTest "lvm" { createPartitions = '' machine.succeed( "flock /dev/vda parted --script /dev/vda -- mklabel msdos" + " mkpart primary 1M 2048M" # PV1 + " set 1 lvm on" + " mkpart primary 2048M -1s" # PV2 + " set 2 lvm on", "udevadm settle", "sleep 1", "pvcreate /dev/vda1 /dev/vda2", "sleep 1", "vgcreate MyVolGroup /dev/vda1 /dev/vda2", "sleep 1", "lvcreate --size 1G --name swap MyVolGroup", "sleep 1", "lvcreate --size 3G --name nixos MyVolGroup", "sleep 1", "mkswap -f /dev/MyVolGroup/swap -L swap", "swapon -L swap", "mkfs.xfs -L nixos /dev/MyVolGroup/nixos", "mount LABEL=nixos /mnt", ) ''; postBootCommands = '' assert "loaded active" in machine.succeed( "systemctl list-units 'lvm2-pvscan@*' -ql --no-legend | tee /dev/stderr" ) ''; }; # Boot off an encrypted root partition with the default LUKS header format luksroot = makeLuksRootTest "luksroot-format1" ""; # Boot off an encrypted root partition with LUKS1 format luksroot-format1 = makeLuksRootTest "luksroot-format1" "--type=LUKS1"; # Boot off an encrypted root partition with LUKS2 format luksroot-format2 = makeLuksRootTest "luksroot-format2" "--type=LUKS2"; # Test whether opening encrypted filesystem with keyfile # Checks for regression of missing cryptsetup, when no luks device without # keyfile is configured encryptedFSWithKeyfile = makeInstallerTest "encryptedFSWithKeyfile" { createPartitions = '' machine.succeed( "flock /dev/vda parted --script /dev/vda -- mklabel msdos" + " mkpart primary ext2 1M 50MB" # /boot + " mkpart primary linux-swap 50M 1024M" + " mkpart primary 1024M 1280M" # LUKS with keyfile + " mkpart primary 1280M -1s", "udevadm settle", "mkswap /dev/vda2 -L swap", "swapon -L swap", "mkfs.ext3 -L nixos /dev/vda4", "mount LABEL=nixos /mnt", "mkfs.ext3 -L boot /dev/vda1", "mkdir -p /mnt/boot", "mount LABEL=boot /mnt/boot", "modprobe dm_mod dm_crypt", "echo -n supersecret > /mnt/keyfile", "cryptsetup luksFormat -q /dev/vda3 --key-file /mnt/keyfile", "cryptsetup luksOpen --key-file /mnt/keyfile /dev/vda3 crypt", "mkfs.ext3 -L test /dev/mapper/crypt", "cryptsetup luksClose crypt", "mkdir -p /mnt/test", ) ''; extraConfig = '' fileSystems."/test" = { device = "/dev/disk/by-label/test"; fsType = "ext3"; encrypted.enable = true; encrypted.blkDev = "/dev/vda3"; encrypted.label = "crypt"; encrypted.keyFile = "/mnt-root/keyfile"; }; ''; }; swraid = makeInstallerTest "swraid" { createPartitions = '' machine.succeed( "flock /dev/vda parted --script /dev/vda --" + " mklabel msdos" + " mkpart primary ext2 1M 100MB" # /boot + " mkpart extended 100M -1s" + " mkpart logical 102M 3102M" # md0 (root), first device + " mkpart logical 3103M 6103M" # md0 (root), second device + " mkpart logical 6104M 6360M" # md1 (swap), first device + " mkpart logical 6361M 6617M", # md1 (swap), second device "udevadm settle", "ls -l /dev/vda* >&2", "cat /proc/partitions >&2", "udevadm control --stop-exec-queue", "mdadm --create --force /dev/md0 --metadata 1.2 --level=raid1 " + "--raid-devices=2 /dev/vda5 /dev/vda6", "mdadm --create --force /dev/md1 --metadata 1.2 --level=raid1 " + "--raid-devices=2 /dev/vda7 /dev/vda8", "udevadm control --start-exec-queue", "udevadm settle", "mkswap -f /dev/md1 -L swap", "swapon -L swap", "mkfs.ext3 -L nixos /dev/md0", "mount LABEL=nixos /mnt", "mkfs.ext3 -L boot /dev/vda1", "mkdir /mnt/boot", "mount LABEL=boot /mnt/boot", "udevadm settle", ) ''; preBootCommands = '' machine.start() machine.fail("dmesg | grep 'immediate safe mode'") ''; }; bcache = makeInstallerTest "bcache" { createPartitions = '' machine.succeed( "flock /dev/vda parted --script /dev/vda --" + " mklabel msdos" + " mkpart primary ext2 1M 50MB" # /boot + " mkpart primary 50MB 512MB " # swap + " mkpart primary 512MB 1024MB" # Cache (typically SSD) + " mkpart primary 1024MB -1s ", # Backing device (typically HDD) "modprobe bcache", "udevadm settle", "make-bcache -B /dev/vda4 -C /dev/vda3", "echo /dev/vda3 > /sys/fs/bcache/register", "echo /dev/vda4 > /sys/fs/bcache/register", "udevadm settle", "mkfs.ext3 -L nixos /dev/bcache0", "mount LABEL=nixos /mnt", "mkfs.ext3 -L boot /dev/vda1", "mkdir /mnt/boot", "mount LABEL=boot /mnt/boot", "mkswap -f /dev/vda2 -L swap", "swapon -L swap", ) ''; }; # Test a basic install using GRUB 1. grub1 = makeInstallerTest "grub1" rec { createPartitions = '' machine.succeed( "flock ${grubDevice} parted --script ${grubDevice} -- mklabel msdos" + " mkpart primary linux-swap 1M 1024M" + " mkpart primary ext2 1024M -1s", "udevadm settle", "mkswap ${grubDevice}-part1 -L swap", "swapon -L swap", "mkfs.ext3 -L nixos ${grubDevice}-part2", "mount LABEL=nixos /mnt", "mkdir -p /mnt/tmp", ) ''; grubVersion = 1; # /dev/sda is not stable, even when the SCSI disk number is. grubDevice = "/dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_drive1"; }; # Test using labels to identify volumes in grub simpleLabels = makeInstallerTest "simpleLabels" { createPartitions = '' machine.succeed( "sgdisk -Z /dev/vda", "sgdisk -n 1:0:+1M -n 2:0:+1G -N 3 -t 1:ef02 -t 2:8200 -t 3:8300 -c 3:root /dev/vda", "mkswap /dev/vda2 -L swap", "swapon -L swap", "mkfs.ext4 -L root /dev/vda3", "mount LABEL=root /mnt", ) ''; grubIdentifier = "label"; }; # Test using the provided disk name within grub # TODO: Fix udev so the symlinks are unneeded in /dev/disks simpleProvided = makeInstallerTest "simpleProvided" { createPartitions = '' uuid = "$(blkid -s UUID -o value /dev/vda2)" machine.succeed( "sgdisk -Z /dev/vda", "sgdisk -n 1:0:+1M -n 2:0:+100M -n 3:0:+1G -N 4 -t 1:ef02 -t 2:8300 " + "-t 3:8200 -t 4:8300 -c 2:boot -c 4:root /dev/vda", "mkswap /dev/vda3 -L swap", "swapon -L swap", "mkfs.ext4 -L boot /dev/vda2", "mkfs.ext4 -L root /dev/vda4", ) machine.execute(f"ln -s ../../vda2 /dev/disk/by-uuid/{uuid}") machine.execute("ln -s ../../vda4 /dev/disk/by-label/root") machine.succeed( "mount /dev/disk/by-label/root /mnt", "mkdir /mnt/boot", f"mount /dev/disk/by-uuid/{uuid} /mnt/boot", ) ''; grubIdentifier = "provided"; }; # Simple btrfs grub testing btrfsSimple = makeInstallerTest "btrfsSimple" { createPartitions = '' machine.succeed( "sgdisk -Z /dev/vda", "sgdisk -n 1:0:+1M -n 2:0:+1G -N 3 -t 1:ef02 -t 2:8200 -t 3:8300 -c 3:root /dev/vda", "mkswap /dev/vda2 -L swap", "swapon -L swap", "mkfs.btrfs -L root /dev/vda3", "mount LABEL=root /mnt", ) ''; }; # Test to see if we can detect /boot and /nix on subvolumes btrfsSubvols = makeInstallerTest "btrfsSubvols" { createPartitions = '' machine.succeed( "sgdisk -Z /dev/vda", "sgdisk -n 1:0:+1M -n 2:0:+1G -N 3 -t 1:ef02 -t 2:8200 -t 3:8300 -c 3:root /dev/vda", "mkswap /dev/vda2 -L swap", "swapon -L swap", "mkfs.btrfs -L root /dev/vda3", "btrfs device scan", "mount LABEL=root /mnt", "btrfs subvol create /mnt/boot", "btrfs subvol create /mnt/nixos", "btrfs subvol create /mnt/nixos/default", "umount /mnt", "mount -o defaults,subvol=nixos/default LABEL=root /mnt", "mkdir /mnt/boot", "mount -o defaults,subvol=boot LABEL=root /mnt/boot", ) ''; }; # Test to see if we can detect default and aux subvolumes correctly btrfsSubvolDefault = makeInstallerTest "btrfsSubvolDefault" { createPartitions = '' machine.succeed( "sgdisk -Z /dev/vda", "sgdisk -n 1:0:+1M -n 2:0:+1G -N 3 -t 1:ef02 -t 2:8200 -t 3:8300 -c 3:root /dev/vda", "mkswap /dev/vda2 -L swap", "swapon -L swap", "mkfs.btrfs -L root /dev/vda3", "btrfs device scan", "mount LABEL=root /mnt", "btrfs subvol create /mnt/badpath", "btrfs subvol create /mnt/badpath/boot", "btrfs subvol create /mnt/nixos", "btrfs subvol set-default " + "$(btrfs subvol list /mnt | grep 'nixos' | awk '{print $2}') /mnt", "umount /mnt", "mount -o defaults LABEL=root /mnt", "mkdir -p /mnt/badpath/boot", # Help ensure the detection mechanism # is actually looking up subvolumes "mkdir /mnt/boot", "mount -o defaults,subvol=badpath/boot LABEL=root /mnt/boot", ) ''; }; }