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|
import ./make-test-python.nix ({pkgs, lib, ...}:
let
# A filesystem image with a (presumably) bootable debian
debianImage = pkgs.vmTools.diskImageFuns.debian11i386 {
# 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 -O '^metadata_csum_seed' /dev/vda1
${util-linux}/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
'';
};
# 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;
};
nix.settings = {
substituters = lib.mkForce [];
hashed-mirrors = null;
connect-timeout = 1;
};
# save some memory
documentation.enable = false;
};
# /etc/nixos/configuration.nix for the vm
configFile = pkgs.writeText "configuration.nix" ''
{config, pkgs, lib, ...}: ({
imports =
[ ./hardware-configuration.nix
<nixpkgs/nixos/modules/testing/test-instrumentation.nix>
];
} // lib.importJSON ${
pkgs.writeText "simpleConfig.json" (builtins.toJSON simpleConfig)
})
'';
in {
name = "os-prober";
nodes.machine = { config, pkgs, ... }: (simpleConfig // {
imports = [ ../modules/profiles/installation-device.nix
../modules/profiles/base.nix ];
virtualisation.memorySize = 1300;
# To add the secondary disk:
virtualisation.qemu.options = [ "-drive index=2,file=${debianImage}/disk-image.qcow2,read-only,if=virtio" ];
# The test cannot access the network, so any packages
# nixos-rebuild needs must be included in the VM.
system.extraDependencies = with pkgs;
[
bintools
brotli
brotli.dev
brotli.lib
desktop-file-utils
docbook5
docbook_xsl_ns
grub2
kbd
kbd.dev
kmod.dev
libarchive
libarchive.dev
libxml2.bin
libxslt.bin
nixos-artwork.wallpapers.simple-dark-gray-bottom
ntp
perlPackages.ListCompare
perlPackages.XMLLibXML
python3Minimal
shared-mime-info
stdenv
sudo
texinfo
unionfs-fuse
xorg.lndir
# 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 = ''
machine.start()
machine.succeed("udevadm settle")
machine.wait_for_unit("multi-user.target")
print(machine.succeed("lsblk"))
# check that os-prober works standalone
machine.succeed(
"${pkgs.os-prober}/bin/os-prober | grep /dev/vdb1"
)
# rebuild and test that debian is available in the grub menu
machine.succeed("nixos-generate-config")
machine.copy_from_host(
"${configFile}",
"/etc/nixos/configuration.nix",
)
machine.succeed("nixos-rebuild boot --show-trace >&2")
machine.succeed("egrep 'menuentry.*debian' /boot/grub/grub.cfg")
'';
})
|