nixos/tests: add a test for os-prober

This commit is contained in:
Symphorien Gibol 2019-06-09 19:05:30 +02:00
parent 61f0936d1c
commit 52184a7a62
2 changed files with 127 additions and 2 deletions

125
nixos/tests/os-prober.nix Normal file
View file

@ -0,0 +1,125 @@
import ./make-test.nix ({pkgs, lib}:
let
# A filesystem image with a (presumably) bootable debian
debianImage = pkgs.vmTools.diskImageFuns.debian9i386 {
# os-prober cannot detect systems installed on disks without a partition table
# so we create the disk ourselves
createRootFS = with pkgs; ''
${parted}/bin/parted --script /dev/vda mklabel msdos
${parted}/sbin/parted --script /dev/vda -- mkpart primary ext2 1M -1s
mkdir /mnt
${e2fsprogs}/bin/mkfs.ext4 /dev/vda1
${utillinux}/bin/mount -t ext4 /dev/vda1 /mnt
if test -e /mnt/.debug; then
exec ${bash}/bin/sh
fi
touch /mnt/.debug
mkdir /mnt/proc /mnt/dev /mnt/sys
'';
extraPackages = [
# /etc/os-release
"base-files"
# make the disk bootable-looking
"grub2" "linux-image-686"
];
# install grub
postInstall = ''
ln -sf /proc/self/mounts > /etc/mtab
PATH=/usr/bin:/bin:/usr/sbin:/sbin $chroot /mnt \
grub-install /dev/vda --force
PATH=/usr/bin:/bin:/usr/sbin:/sbin $chroot /mnt \
update-grub
'';
};
# options to add the disk to the test vim
QEMU_OPTS = "-drive index=2,file=${debianImage}/disk-image.qcow2,read-only,if=virtio";
# a part of the configuration of the test vm
simpleConfig = {
boot.loader.grub = {
enable = true;
useOSProber = true;
device = "/dev/vda";
# vda is a filesystem without partition table
forceInstall = true;
};
fileSystems."/mnt" = {
device = "/dev/vdb1";
options = [ "ro" ];
};
nix.binaryCaches = lib.mkForce [ ];
nix.extraOptions =
''
hashed-mirrors =
connect-timeout = 1
'';
services.udisks2.enable = lib.mkForce false;
};
# /etc/nixos/configuration.nix for the vm
configFile = pkgs.writeText "configuration.nix" ''
{config, pkgs, ...}: ({
imports =
[ ./hardware-configuration.nix
<nixpkgs/nixos/modules/testing/test-instrumentation.nix>
];
}// (builtins.fromJSON (builtins.readFile ${
pkgs.writeText "simpleConfig.json"
(builtins.toJSON simpleConfig)
})))
'';
in {
name = "os-prober";
machine = { config, pkgs, ... }: (simpleConfig // {
imports = [ ../modules/profiles/installation-device.nix
../modules/profiles/base.nix ];
virtualisation.memorySize = 1024;
# The test cannot access the network, so any packages
# nixos-rebuild needs must be included in the VM.
system.extraDependencies = with pkgs;
[ sudo
libxml2.bin
libxslt.bin
desktop-file-utils
docbook5
docbook_xsl_ns
unionfs-fuse
ntp
nixos-artwork.wallpapers.simple-dark-gray-bottom
perlPackages.XMLLibXML
perlPackages.ListCompare
shared-mime-info
texinfo
xorg.lndir
grub2
# add curl so that rather than seeing the test attempt to download
# curl's tarball, we see what it's trying to download
curl
];
});
testScript = ''
# hack to add the secondary disk
$machine->{startCommand} = "QEMU_OPTS=\"\$QEMU_OPTS \"${lib.escapeShellArg QEMU_OPTS} ".$machine->{startCommand};
$machine->start;
$machine->succeed("udevadm settle");
$machine->waitForUnit("multi-user.target");
# check that os-prober works standalone
$machine->succeed("${pkgs.os-prober}/bin/os-prober | grep /dev/vdb1");
# rebuild and test that debian is available in the grub menu
$machine->succeed("nixos-generate-config");
$machine->copyFileFromHost(
"${configFile}",
"/etc/nixos/configuration.nix");
$machine->succeed("nixos-rebuild boot >&2");
$machine->succeed("egrep 'menuentry.*debian' /boot/grub/grub.cfg");
'';
})

View file

@ -719,7 +719,7 @@ rec {
{ name, fullName, size ? 4096, urlPrefix
, packagesList ? "", packagesLists ? [packagesList]
, packages, extraPackages ? [], postInstall ? ""
, extraDebs ? []
, extraDebs ? [], createRootFS ? defaultCreateRootFS
, QEMU_OPTS ? "", memSize ? 512 }:
let
@ -729,7 +729,7 @@ rec {
};
in
(fillDiskWithDebs {
inherit name fullName size postInstall QEMU_OPTS memSize;
inherit name fullName size postInstall createRootFS QEMU_OPTS memSize;
debs = import expr {inherit fetchurl;} ++ extraDebs;
}) // {inherit expr;};