{ pkgs, nixpkgs, system, ... }: let # Build the ISO. This is the regular installation CD but with test # instrumentation. iso = (import ../lib/eval-config.nix { inherit nixpkgs system; modules = [ ../modules/installer/cd-dvd/installation-cd-graphical.nix ../modules/testing/test-instrumentation.nix { key = "serial"; boot.loader.grub.timeout = pkgs.lib.mkOverride 0 {} 0; # The test cannot access the network, so any sources we # need must be included in the ISO. isoImage.storeContents = [ pkgs.hello.src pkgs.glibcLocales pkgs.sudo pkgs.docbook5 ]; } ]; }).config.system.build.isoImage; # The configuration to install. config = { fileSystems }: pkgs.writeText "configuration.nix" '' { config, pkgs, modulesPath, ... }: { require = [ ./hardware.nix "''${modulesPath}/testing/test-instrumentation.nix" ]; boot.loader.grub.version = 2; boot.loader.grub.device = "/dev/vda"; boot.initrd.kernelModules = [ "ext3" ]; fileSystems = [ ${fileSystems} ]; swapDevices = [ { label = "swap"; } ]; } ''; rootFS = '' { mountPoint = "/"; device = "/dev/disk/by-label/nixos"; } ''; bootFS = '' { mountPoint = "/boot"; device = "/dev/disk/by-label/boot"; } ''; # The test script boots the CD, 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, and a configuration.nix fragment # `fileSystems'. testScriptFun = { createPartitions, fileSystems }: '' createDisk("harddisk", 4 * 1024); my $machine = Machine->new({ hda => "harddisk", cdrom => glob("${iso}/iso/*.iso") }); $machine->mustSucceed("echo hello"); # Make sure that we get a login prompt etc. $machine->waitForJob("tty1"); $machine->waitForJob("rogue"); $machine->waitForJob("nixos-manual"); # Make sure that we don't try to download anything. $machine->stopJob("dhclient"); $machine->mustSucceed("rm /etc/resolv.conf"); # Test nix-env. $machine->mustFail("hello"); $machine->mustSucceed("nix-env -i hello"); $machine->mustSucceed("hello") =~ /Hello, world/ or die "bad `hello' output"; # Partition the disk. ${createPartitions} # Create the NixOS configuration. $machine->mustSucceed( "mkdir -p /mnt/etc/nixos", "nixos-hardware-scan > /mnt/etc/nixos/hardware.nix", ); my $cfg = $machine->mustSucceed("cat /mnt/etc/nixos/hardware.nix"); print STDERR "Result of the hardware scan:\n$cfg\n"; $machine->copyFileFromHost( "${ config { inherit fileSystems; } }", "/mnt/etc/nixos/configuration.nix"); # Perform the installation. $machine->mustSucceed("nixos-install >&2"); $machine->mustSucceed("cat /mnt/boot/grub/grub.cfg >&2"); $machine->shutdown; # Now see if we can boot the installation. my $machine = Machine->new({ hda => "harddisk" }); # Did /boot get mounted, if appropriate? # !!! There is currently no good way to wait for the # `filesystems' tash to finish. #$machine->mustSucceed("initctl start filesystems"); #$machine->mustSucceed("test -e /boot/grub/grub.cfg"); # Did the swap device get activated? # !!! Idem. # $machine->waitForJob("swap"); #$machine->mustSucceed("cat /proc/swaps | grep -q /dev"); $machine->mustSucceed("nix-env -i coreutils >&2"); $machine->mustSucceed("type -tP ls") =~ /profiles/ or die "nix-env failed"; $machine->mustSucceed("nixos-rebuild switch >&2"); $machine->mustSucceed("cat /boot/grub/grub.cfg >&2"); $machine->shutdown; # And just to be sure, check that the machine still boots after # "nixos-rebuild switch". my $machine = Machine->new({ hda => "harddisk" }); $machine->mustSucceed("echo hello"); $machine->shutdown; ''; makeTest = { createPartitions, fileSystems }: { inherit iso; testScript = testScriptFun { inherit createPartitions fileSystems; }; }; in { # The (almost) simplest partitioning scheme: a swap partition and # one big filesystem partition. simple = makeTest { createPartitions = '' $machine->mustSucceed( "parted /dev/vda mklabel msdos", "parted /dev/vda -- mkpart primary linux-swap 1M 1024M", "parted /dev/vda -- mkpart primary ext2 1024M -1s", # It can take udev a moment to create /dev/vda*. "udevadm settle", "mkswap /dev/vda1 -L swap", "swapon -L swap", "mkfs.ext3 -L nixos /dev/vda2", "mount LABEL=nixos /mnt", ); ''; fileSystems = rootFS; }; # Same as the previous, but now with a separate /boot partition. separateBoot = makeTest { createPartitions = '' $machine->mustSucceed( "parted /dev/vda mklabel msdos", "parted /dev/vda -- mkpart primary ext2 1M 50MB", # /boot "parted /dev/vda -- mkpart primary linux-swap 50MB 1024M", "parted /dev/vda -- 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 /mnt/boot", "mount LABEL=boot /mnt/boot", ); ''; fileSystems = rootFS + bootFS; }; # Create two physical LVM partitions combined into one volume group # that contains the logical swap and root partitions. lvm = makeTest { createPartitions = '' $machine->mustSucceed( "parted /dev/vda mklabel msdos", "parted /dev/vda -- mkpart primary 1M 2048M", # first PV "parted /dev/vda -- set 1 lvm on", "parted /dev/vda -- mkpart primary 2048M -1s", # second PV "parted /dev/vda -- set 2 lvm on", "fdisk -l /dev/vda >&2", "udevadm settle", "pvcreate /dev/vda1 /dev/vda2", "vgcreate MyVolGroup /dev/vda1 /dev/vda2", "lvcreate --size 1G --name swap MyVolGroup", "lvcreate --size 2G --name nixos MyVolGroup", "mkswap -f /dev/MyVolGroup/swap -L swap", "swapon -L swap", "mkfs.ext3 -L nixos /dev/MyVolGroup/nixos", "mount LABEL=nixos /mnt", ); ''; fileSystems = '' { mountPoint = "/"; device = " /dev/MyVolGroup/nixos"; } ''; }; }