{ system ? builtins.currentSystem }: with import ../lib/testing.nix { inherit system; }; with import ../lib/qemu-flags.nix; with pkgs.lib; 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 pkgs.gummiboot ]; } ]; }).config.system.build.isoImage; # The configuration to install. makeConfig = { testChannel, useEFI, grubVersion, grubDevice }: pkgs.writeText "configuration.nix" '' { config, pkgs, modulesPath, ... }: { imports = [ ./hardware-configuration.nix ]; ${if useEFI then '' boot.loader.efi.canTouchEfiVariables = true; boot.loader.gummiboot.enable = true; '' else '' 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"} ]; } ''; # 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 ]; efiBios = pkgs.runCommand "ovmf-bios" {} '' mkdir $out ln -s ${pkgs.OVMF}/FV/OVMF.fd $out/bios.bin ''; # 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. testScriptFun = { createPartitions, testChannel, useEFI, grubVersion, grubDevice }: let # FIXME: OVMF doesn't boot from virtio http://www.mail-archive.com/edk2-devel@lists.sourceforge.net/msg01501.html iface = if useEFI || grubVersion == 1 then "scsi" else "virtio"; qemuFlags = (if iso.system == "x86_64-linux" then "-m 512 " else "-m 384 ") + (optionalString (iso.system == "x86_64-linux") "-cpu kvm64 ") + (optionalString useEFI ''-L ${efiBios} -hda ''${\(Cwd::abs_path('harddisk'))} ''); hdFlags = optionalString (!useEFI) ''hda => "harddisk", hdaInterface => "${iface}", ''; in '' createDisk("harddisk", 4 * 1024); my $machine = createMachine({ ${hdFlags} cdrom => glob("${iso}/iso/*.iso"), qemuFlags => "${qemuFlags} " . '${optionalString testChannel (toString (qemuNICFlags 1 1 2))}' }); $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"); ${optionalString testChannel '' $machine->waitForUnit("dhcpcd"); # 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"; ''} # Wait for hard disks to appear in /dev $machine->succeed("udevadm settle"); # 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"); $machine->copyFileFromHost( "${ makeConfig { inherit testChannel useEFI grubVersion grubDevice; } }", "/mnt/etc/nixos/configuration.nix"); # Perform the installation. $machine->succeed("nixos-install < /dev/null >&2"); # Do it again to make sure it's idempotent. $machine->succeed("nixos-install < /dev/null >&2"); $machine->succeed("umount /mnt/boot || true"); $machine->succeed("umount /mnt"); $machine->succeed("sync"); $machine->shutdown; # Now see if we can boot the installation. $machine = createMachine({ ${hdFlags} qemuFlags => "${qemuFlags}" }); # Did /boot get mounted? $machine->waitForUnit("local-fs.target"); ${if useEFI then '' $machine->succeed("test -e /boot/efi"); '' else '' $machine->succeed("test -e /boot/grub"); ''} # Did the swap device get activated? $machine->waitForUnit("swap.target"); $machine->succeed("cat /proc/swaps | grep -q /dev"); # Check whether the channel works. $machine->succeed("nix-env -i coreutils >&2"); $machine->succeed("type -tP ls | tee /dev/stderr") =~ /.nix-profile/ or die "nix-env failed"; # Check whether nixos-rebuild works. $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". $machine = createMachine({ ${hdFlags} qemuFlags => "${qemuFlags}" }); $machine->waitForUnit("network.target"); $machine->shutdown; ''; makeInstallerTest = { createPartitions, testChannel ? false, useEFI ? false, grubVersion ? 2, grubDevice ? "/dev/vda" }: makeTest { inherit iso; nodes = if testChannel then { inherit webserver; } else { }; testScript = testScriptFun { inherit createPartitions testChannel useEFI 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 = makeInstallerTest { 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", ); ''; testChannel = true; }; # Same as the previous, but now with a separate /boot partition. separateBoot = makeInstallerTest { 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", ); ''; }; # Create two physical LVM partitions combined into one volume group # that contains the logical swap and root partitions. lvm = makeInstallerTest { 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", ); ''; }; swraid = makeInstallerTest { 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", ); ''; }; # Test a basic install using GRUB 1. grub1 = makeInstallerTest { 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", ); ''; grubVersion = 1; grubDevice = "/dev/sda"; }; # Test an EFI install. efi = makeInstallerTest { createPartitions = '' $machine->succeed( "sgdisk -Z /dev/sda", "sgdisk -n 1:0:+256M -n 2:0:+1024M -N 3 -t 1:ef00 -t 2:8200 -t 3:8300 -c 1:boot -c 2:swap -c 3:root /dev/sda", "mkfs.vfat -n BOOT /dev/sda1", "mkswap /dev/sda2 -L swap", "swapon -L swap", "mkfs.ext3 -L nixos /dev/sda3", "mount LABEL=nixos /mnt", "mkdir /mnt/boot", "mount LABEL=BOOT /mnt/boot", ); ''; useEFI = true; }; # Rebuild the CD configuration with a little modification. rebuildCD = makeTest { 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; ''; }; }