nixpkgs/nixos/tests/installer.nix

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{ 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
<nixpkgs/nixos/modules/testing/test-instrumentation.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
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{ 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");
$machine->shutdown;
# Now see if we can boot the installation.
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$machine = createMachine({ ${hdFlags} qemuFlags => "${qemuFlags}" });
# Did /boot get mounted?
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$machine->waitForUnit("local-fs.target");
${if useEFI then ''
$machine->succeed("test -e /boot/efi");
'' else ''
$machine->succeed("test -e /boot/grub");
''}
# Did the swap device get activated?
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$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");
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# Test nixos-option.
$machine->succeed("nixos-option boot.initrd.kernelModules | grep virtio_console");
$machine->succeed("nixos-option -d boot.initrd.kernelModules | grep 'List of modules'");
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$machine->succeed("nixos-option -l boot.initrd.kernelModules | grep qemu-guest.nix");
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$machine->shutdown;
# And just to be sure, check that the machine still boots after
# "nixos-rebuild switch".
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$machine = createMachine({ ${hdFlags} qemuFlags => "${qemuFlags}" });
$machine->waitForUnit("network.target");
$machine->shutdown;
'';
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makeInstallerTest = name:
{ createPartitions, testChannel ? false, useEFI ? false, grubVersion ? 2, grubDevice ? "/dev/vda" }:
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makeTest {
inherit iso;
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name = "installer-" + name;
nodes = if testChannel then { inherit webserver; } else { };
testScript = testScriptFun {
inherit createPartitions testChannel useEFI grubVersion grubDevice;
};
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};
in {
# !!! `parted mkpart' seems to silently create overlapping partitions.
# The (almost) simplest partitioning scheme: a swap partition and
# one big filesystem partition.
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simple = makeInstallerTest "simple"
{ 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.
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separateBoot = makeInstallerTest "separateBoot"
{ 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.
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lvm = makeInstallerTest "lvm"
{ createPartitions =
''
$machine->succeed(
"parted /dev/vda mklabel msdos",
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"parted /dev/vda -- mkpart primary 1M 2048M", # PV1
"parted /dev/vda -- set 1 lvm on",
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"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",
);
'';
};
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swraid = makeInstallerTest "swraid"
{ 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.
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grub1 = makeInstallerTest "grub1"
{ 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.
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efi = makeInstallerTest "efi"
{ 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.
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rebuildCD = makeTest
{ inherit iso;
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name = "rebuild-cd";
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;
'';
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};
}