309 lines
10 KiB
Nix
309 lines
10 KiB
Nix
{ pkgs, nixpkgs, system, ... }:
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with pkgs.lib;
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with import ../lib/qemu-flags.nix;
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let
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# Build the ISO. This is the regular installation CD but with test
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# instrumentation.
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iso =
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(import ../lib/eval-config.nix {
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inherit nixpkgs system;
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modules =
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[ ../modules/installer/cd-dvd/installation-cd-graphical.nix
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../modules/testing/test-instrumentation.nix
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{ key = "serial";
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boot.loader.grub.timeout = mkOverride 0 {} 0;
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# The test cannot access the network, so any sources we
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# need must be included in the ISO.
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isoImage.storeContents =
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[ pkgs.glibcLocales
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pkgs.sudo
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pkgs.docbook5
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];
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}
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];
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}).config.system.build.isoImage;
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# The configuration to install.
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config = { fileSystems, testChannel }: pkgs.writeText "configuration.nix"
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''
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{ config, pkgs, modulesPath, ... }:
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{ require =
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[ ./hardware.nix
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"''${modulesPath}/testing/test-instrumentation.nix"
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];
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boot.loader.grub.version = 2;
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boot.loader.grub.device = "/dev/vda";
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boot.loader.grub.extraConfig = "serial; terminal_output.serial";
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boot.initrd.kernelModules = [ "ext3" ];
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fileSystems = [ ${fileSystems} ];
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swapDevices = [ { label = "swap"; } ];
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environment.systemPackages = [ ${optionalString testChannel "pkgs.rlwrap"} ];
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}
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'';
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rootFS =
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''
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{ mountPoint = "/";
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device = "/dev/disk/by-label/nixos";
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}
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'';
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bootFS =
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''
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{ mountPoint = "/boot";
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device = "/dev/disk/by-label/boot";
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}
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'';
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# Configuration of a web server that simulates the Nixpkgs channel
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# distribution server.
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webserver =
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{ config, pkgs, ... }:
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{ services.httpd.enable = true;
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services.httpd.adminAddr = "foo@example.org";
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services.httpd.servedDirs = singleton
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{ urlPath = "/releases/nixpkgs/channels/nixpkgs-unstable";
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dir = "/tmp/channel";
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};
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# Make the Nix store in this VM writable using AUFS. This
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# should probably be moved to qemu-vm.nix.
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boot.extraModulePackages = [ config.boot.kernelPackages.aufs2 ];
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boot.initrd.availableKernelModules = [ "aufs" ];
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boot.initrd.postMountCommands =
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''
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mkdir /mnt-store-tmpfs
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mount -t tmpfs -o "mode=755" none /mnt-store-tmpfs
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mount -t aufs -o dirs=/mnt-store-tmpfs=rw:$targetRoot/nix/store=rr none $targetRoot/nix/store
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'';
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virtualisation.pathsInNixDB = channelContents;
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};
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channelContents = [ pkgs.hello.src pkgs.rlwrap ];
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# The test script boots the CD, installs NixOS on an empty hard
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# disk, and then reboot from the hard disk. It's parameterized with
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# a test script fragment `createPartitions', which must create
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# partitions and filesystems, and a configuration.nix fragment
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# `fileSystems'.
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testScriptFun = { createPartitions, fileSystems, testChannel }:
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''
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createDisk("harddisk", 4 * 1024);
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my $machine = Machine->new({ hda => "harddisk", cdrom => glob("${iso}/iso/*.iso"), qemuFlags => '${qemuNICFlags 1 1}' });
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$machine->start;
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${optionalString testChannel ''
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# Create a channel on the web server containing a few packages
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# to simulate the Nixpkgs channel.
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$webserver->start;
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$webserver->waitForJob("httpd");
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$webserver->mustSucceed("mkdir /tmp/channel");
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$webserver->mustSucceed(
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"nix-push file:///tmp/channel " .
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"http://nixos.org/releases/nixpkgs/channels/nixpkgs-unstable " .
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"file:///tmp/channel/MANIFEST ${toString channelContents} >&2");
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''}
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# Make sure that we get a login prompt etc.
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$machine->mustSucceed("echo hello");
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$machine->waitForJob("tty1");
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$machine->waitForJob("rogue");
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$machine->waitForJob("nixos-manual");
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# Make sure that we don't try to download anything.
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$machine->stopJob("dhclient");
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$machine->mustSucceed("rm /etc/resolv.conf");
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${optionalString testChannel ''
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# Allow the machine to talk to the fake nixos.org.
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$machine->mustSucceed(
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"rm /etc/hosts",
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"echo 192.168.1.1 nixos.org > /etc/hosts",
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"ifconfig eth1 up 192.168.1.2",
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"nix-pull http://nixos.org/releases/nixpkgs/channels/nixpkgs-unstable/MANIFEST",
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);
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# Test nix-env.
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$machine->mustFail("hello");
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$machine->mustSucceed("nix-env -i hello");
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$machine->mustSucceed("hello") =~ /Hello, world/
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or die "bad `hello' output";
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''}
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# Partition the disk.
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${createPartitions}
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# Create the NixOS configuration.
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$machine->mustSucceed(
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"mkdir -p /mnt/etc/nixos",
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"nixos-hardware-scan > /mnt/etc/nixos/hardware.nix",
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);
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my $cfg = $machine->mustSucceed("cat /mnt/etc/nixos/hardware.nix");
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print STDERR "Result of the hardware scan:\n$cfg\n";
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$machine->copyFileFromHost(
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"${ config { inherit fileSystems testChannel; } }",
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"/mnt/etc/nixos/configuration.nix");
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# Perform the installation.
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$machine->mustSucceed("nixos-install >&2");
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$machine->mustSucceed("cat /mnt/boot/grub/grub.cfg >&2");
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$machine->shutdown;
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# Now see if we can boot the installation.
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my $machine = Machine->new({ hda => "harddisk" });
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# Did /boot get mounted, if appropriate?
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# !!! There is currently no good way to wait for the
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# `filesystems' task to finish.
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$machine->waitForFile("/boot/grub/grub.cfg");
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# Did the swap device get activated?
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# !!! Idem.
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$machine->waitUntilSucceeds("cat /proc/swaps | grep -q /dev");
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$machine->mustSucceed("nix-env -i coreutils >&2");
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$machine->mustSucceed("type -tP ls") =~ /profiles/
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or die "nix-env failed";
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$machine->mustSucceed("nixos-rebuild switch >&2");
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$machine->mustSucceed("cat /boot/grub/grub.cfg >&2");
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$machine->shutdown;
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# And just to be sure, check that the machine still boots after
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# "nixos-rebuild switch".
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my $machine = Machine->new({ hda => "harddisk" });
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$machine->mustSucceed("echo hello");
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$machine->shutdown;
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'';
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makeTest = { createPartitions, fileSystems, testChannel ? false }:
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{ inherit iso;
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nodes = if testChannel then { inherit webserver; } else { };
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testScript = testScriptFun {
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inherit createPartitions fileSystems testChannel;
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};
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};
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in {
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# !!! `parted mkpart' seems to silently create overlapping partitions.
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# The (almost) simplest partitioning scheme: a swap partition and
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# one big filesystem partition.
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simple = makeTest
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{ createPartitions =
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''
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$machine->mustSucceed(
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"parted /dev/vda mklabel msdos",
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"parted /dev/vda -- mkpart primary linux-swap 1M 1024M",
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"parted /dev/vda -- mkpart primary ext2 1024M -1s",
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"udevadm settle",
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"mkswap /dev/vda1 -L swap",
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"swapon -L swap",
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"mkfs.ext3 -L nixos /dev/vda2",
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"mount LABEL=nixos /mnt",
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);
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'';
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fileSystems = rootFS;
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testChannel = true;
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};
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# Same as the previous, but now with a separate /boot partition.
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separateBoot = makeTest
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{ createPartitions =
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''
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$machine->mustSucceed(
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"parted /dev/vda mklabel msdos",
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"parted /dev/vda -- mkpart primary ext2 1M 50MB", # /boot
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"parted /dev/vda -- mkpart primary linux-swap 50MB 1024M",
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"parted /dev/vda -- mkpart primary ext2 1024M -1s", # /
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"udevadm settle",
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"mkswap /dev/vda2 -L swap",
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"swapon -L swap",
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"mkfs.ext3 -L nixos /dev/vda3",
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"mount LABEL=nixos /mnt",
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"mkfs.ext3 -L boot /dev/vda1",
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"mkdir /mnt/boot",
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"mount LABEL=boot /mnt/boot",
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);
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'';
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fileSystems = rootFS + bootFS;
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};
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# Create two physical LVM partitions combined into one volume group
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# that contains the logical swap and root partitions.
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lvm = makeTest
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{ createPartitions =
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''
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$machine->mustSucceed(
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"parted /dev/vda mklabel msdos",
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"parted /dev/vda -- mkpart primary 1M 2048M", # first PV
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"parted /dev/vda -- set 1 lvm on",
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"parted /dev/vda -- mkpart primary 2048M -1s", # second PV
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"parted /dev/vda -- set 2 lvm on",
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"udevadm settle",
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"pvcreate /dev/vda1 /dev/vda2",
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"vgcreate MyVolGroup /dev/vda1 /dev/vda2",
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"lvcreate --size 1G --name swap MyVolGroup",
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"lvcreate --size 2G --name nixos MyVolGroup",
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"mkswap -f /dev/MyVolGroup/swap -L swap",
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"swapon -L swap",
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"mkfs.ext3 -L nixos /dev/MyVolGroup/nixos",
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"mount LABEL=nixos /mnt",
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);
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'';
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fileSystems = rootFS;
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};
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swraid = makeTest
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{ createPartitions =
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''
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$machine->mustSucceed(
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"parted /dev/vda mklabel msdos",
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"parted /dev/vda -- mkpart primary ext2 1M 30MB", # /boot
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"parted /dev/vda -- mkpart extended 30M -1s", # extended partition
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"parted /dev/vda -- mkpart logical 30M 1000M", # md0 (root), first device
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"parted /dev/vda -- mkpart logical 1024M 2000M", # md0 (root), second device
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"parted /dev/vda -- mkpart logical 2048M 2548M", # md1 (swap), first device
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"parted /dev/vda -- mkpart logical 2560M 3060M", # md1 (swap), second device
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"udevadm settle",
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"mdadm --create --force /dev/md0 --metadata 1.2 --level=raid1 --raid-devices=2 /dev/vda5 /dev/vda6",
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"mdadm --create --force /dev/md1 --metadata 1.2 --level=raid1 --raid-devices=2 /dev/vda7 /dev/vda8",
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"mkswap -f /dev/md1 -L swap",
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"swapon -L swap",
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"mkfs.ext3 -L nixos /dev/md0",
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"mount LABEL=nixos /mnt",
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"mkfs.ext3 -L boot /dev/vda1",
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"mkdir /mnt/boot",
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"mount LABEL=boot /mnt/boot",
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);
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'';
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fileSystems = rootFS + bootFS;
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};
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}
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