nixpkgs/tests/installer.nix

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{ 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.
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 /boot/grub/grub.cfg >&2");
$machine->shutdown;
# Now see if we can boot the installation.
my $machine = Machine->new({ hda => "harddisk" });
$machine->mustSucceed("echo hello");
# Did /boot get mounted, if appropriate?
$machine->mustSucceed("initctl start filesystems");
$machine->mustSucceed("test -e /boot/grub/grub.cfg");
$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;
};
}