{ pkgs, system, ... }: with pkgs.lib; with import ../lib/qemu-flags.nix; let # Build the ISO. This is the regular installation CD but with test # instrumentation. iso = (import ../lib/eval-config.nix { inherit system; modules = [ ../modules/installer/cd-dvd/installation-cd-graphical.nix ../modules/testing/test-instrumentation.nix { key = "serial"; boot.loader.grub.timeout = mkOverride 0 0; # The test cannot access the network, so any sources we # need must be included in the ISO. isoImage.storeContents = [ pkgs.glibcLocales pkgs.sudo pkgs.docbook5 pkgs.docbook5_xsl pkgs.grub pkgs.perlPackages.XMLLibXML pkgs.unionfs-fuse ]; } ]; }).config.system.build.isoImage; # The configuration to install. config = { fileSystems, testChannel, grubVersion, grubDevice }: pkgs.writeText "configuration.nix" '' { config, pkgs, modulesPath, ... }: { imports = [ ./hardware-configuration.nix ]; boot.loader.grub.version = ${toString grubVersion}; ${optionalString (grubVersion == 1) '' boot.loader.grub.splashImage = null; ''} boot.loader.grub.device = "${grubDevice}"; boot.loader.grub.extraConfig = "serial; terminal_output.serial"; environment.systemPackages = [ ${optionalString testChannel "pkgs.rlwrap"} ]; } ''; rootFS = '' fileSystems."/".device = "/dev/disk/by-label/nixos"; ''; bootFS = '' fileSystems."/boot".device = "/dev/disk/by-label/boot"; ''; # Configuration of a web server that simulates the Nixpkgs channel # distribution server. webserver = { config, pkgs, ... }: { services.httpd.enable = true; services.httpd.adminAddr = "foo@example.org"; services.httpd.servedDirs = singleton { urlPath = "/"; dir = "/tmp/channel"; }; virtualisation.writableStore = true; virtualisation.pathsInNixDB = channelContents ++ [ pkgs.hello.src ]; virtualisation.memorySize = 768; networking.firewall.allowedTCPPorts = [ 80 ]; }; channelContents = [ pkgs.rlwrap ]; # 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, testChannel, grubVersion, grubDevice }: let iface = if grubVersion == 1 then "scsi" else "virtio"; in '' createDisk("harddisk", 4 * 1024); my $machine = createMachine({ hda => "harddisk", hdaInterface => "${iface}", cdrom => glob("${iso}/iso/*.iso"), qemuFlags => '${optionalString testChannel (toString (qemuNICFlags 1 1 2))} ${optionalString (pkgs.stdenv.system == "x86_64-linux") "-cpu kvm64"}'}); $machine->start; ${optionalString testChannel '' # Create a channel on the web server containing a few packages # to simulate the Nixpkgs channel. $webserver->start; $webserver->waitForUnit("httpd"); $webserver->succeed( "nix-push --bzip2 --dest /tmp/channel --manifest --url-prefix http://nixos.org/channels/nixos-unstable " . "${toString channelContents} >&2"); $webserver->succeed("mkdir /tmp/channel/sha256"); $webserver->succeed("cp ${pkgs.hello.src} /tmp/channel/sha256/${pkgs.hello.src.outputHash}"); ''} # Make sure that we get a login prompt etc. $machine->succeed("echo hello"); #$machine->waitForUnit('getty@tty2'); $machine->waitForUnit("rogue"); $machine->waitForUnit("nixos-manual"); $machine->waitForUnit("dhcpcd"); ${optionalString testChannel '' # Allow the machine to talk to the fake nixos.org. $machine->succeed( "rm /etc/hosts", "echo 192.168.1.1 nixos.org cache.nixos.org tarballs.nixos.org > /etc/hosts", "ifconfig eth1 up 192.168.1.2", ); # Test nix-env. $machine->fail("hello"); $machine->succeed("nix-env -i hello"); $machine->succeed("hello") =~ /Hello, world/ or die "bad `hello' output"; ''} # Partition the disk. ${createPartitions} # Create the NixOS configuration. $machine->succeed( "nixos-generate-config --root /mnt", ); $machine->succeed("cat /mnt/etc/nixos/hardware-configuration.nix >&2"); $machine->copyFileFromHost( "${ config { inherit fileSystems testChannel grubVersion grubDevice; } }", "/mnt/etc/nixos/configuration.nix"); # Perform the installation. $machine->succeed("nixos-install >&2"); # Do it again to make sure it's idempotent. $machine->succeed("nixos-install >&2"); $machine->shutdown; # Now see if we can boot the installation. my $machine = createMachine({ hda => "harddisk", hdaInterface => "${iface}" }); # Did /boot get mounted, if appropriate? $machine->waitForUnit("local-fs.target"); $machine->succeed("test -e /boot/grub"); # Did the swap device get activated? $machine->waitForUnit("swap.target"); $machine->succeed("cat /proc/swaps | grep -q /dev"); $machine->succeed("nix-env -i coreutils >&2"); $machine->succeed("type -tP ls | tee /dev/stderr") =~ /.nix-profile/ or die "nix-env failed"; $machine->succeed("nixos-rebuild switch >&2"); # Test nixos-option. $machine->succeed("nixos-option boot.initrd.kernelModules | grep virtio_console"); $machine->succeed("nixos-option -d boot.initrd.kernelModules | grep 'List of modules'"); $machine->succeed("nixos-option -l boot.initrd.kernelModules | grep qemu-guest.nix"); $machine->shutdown; # And just to be sure, check that the machine still boots after # "nixos-rebuild switch". my $machine = createMachine({ hda => "harddisk", hdaInterface => "${iface}" }); $machine->waitForUnit("network.target"); $machine->shutdown; ''; makeTest = { createPartitions, fileSystems, testChannel ? false, grubVersion ? 2, grubDevice ? "/dev/vda" }: { inherit iso; nodes = if testChannel then { inherit webserver; } else { }; testScript = testScriptFun { inherit createPartitions fileSystems testChannel grubVersion grubDevice; }; }; in { # !!! `parted mkpart' seems to silently create overlapping partitions. # The (almost) simplest partitioning scheme: a swap partition and # one big filesystem partition. simple = makeTest { createPartitions = '' $machine->succeed( "parted /dev/vda mklabel msdos", "parted /dev/vda -- mkpart primary linux-swap 1M 1024M", "parted /dev/vda -- 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", ); ''; fileSystems = rootFS; testChannel = true; }; # Same as the previous, but now with a separate /boot partition. separateBoot = makeTest { createPartitions = '' $machine->succeed( "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 -p /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->succeed( "parted /dev/vda mklabel msdos", "parted /dev/vda -- mkpart primary 1M 2048M", # PV1 "parted /dev/vda -- set 1 lvm on", "parted /dev/vda -- mkpart primary 2048M -1s", # PV2 "parted /dev/vda -- set 2 lvm on", "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.xfs -L nixos /dev/MyVolGroup/nixos", "mount LABEL=nixos /mnt", ); ''; fileSystems = rootFS; }; /* swraid = makeTest { createPartitions = '' $machine->succeed( "parted /dev/vda --" . " mklabel msdos" . " mkpart primary ext2 1M 30MB" # /boot . " mkpart extended 30M -1s" . " mkpart logical 31M 1531M" # md0 (root), first device . " mkpart logical 1540M 3040M" # md0 (root), second device . " mkpart logical 3050M 3306M" # md1 (swap), first device . " mkpart logical 3320M 3576M", # md1 (swap), second device "udevadm settle", "ls -l /dev/vda* >&2", "cat /proc/partitions >&2", "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 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", "mdadm -W /dev/md0", # wait for sync to finish; booting off an unsynced device tends to fail "mdadm -W /dev/md1", ); ''; fileSystems = rootFS + bootFS; }; */ # Test a basic install using GRUB 1. grub1 = makeTest { createPartitions = '' $machine->succeed( "parted /dev/sda mklabel msdos", "parted /dev/sda -- mkpart primary linux-swap 1M 1024M", "parted /dev/sda -- mkpart primary ext2 1024M -1s", "udevadm settle", "mkswap /dev/sda1 -L swap", "swapon -L swap", "mkfs.ext3 -L nixos /dev/sda2", "mount LABEL=nixos /mnt", ); ''; fileSystems = rootFS; grubVersion = 1; grubDevice = "/dev/sda"; }; # Rebuild the CD configuration with a little modification. rebuildCD = { inherit iso; nodes = { }; testScript = '' my $machine = createMachine({ cdrom => glob("${iso}/iso/*.iso"), qemuFlags => '-m 768' }); $machine->start; # Enable sshd service. $machine->succeed( "sed -i 's,^}\$,systemd.services.sshd.wantedBy = pkgs.lib.mkOverride 0 [\"multi-user.target\"]; },' /etc/nixos/configuration.nix" ); $machine->succeed("cat /etc/nixos/configuration.nix >&2"); # Apply the new CD configuration. $machine->succeed("nixos-rebuild test"); # Connect to it-self. $machine->waitForUnit("sshd"); $machine->waitForOpenPort(22); $machine->shutdown; ''; }; }