nixpkgs/nixos/tests/non-default-filesystems.nix

56 lines
1.5 KiB
Nix

import ./make-test-python.nix ({ lib, pkgs, ... }:
{
name = "non-default-filesystems";
nodes.machine =
{ config, pkgs, lib, ... }:
let
disk = config.virtualisation.rootDevice;
in
{
virtualisation.rootDevice = "/dev/vda";
virtualisation.useDefaultFilesystems = false;
boot.initrd.availableKernelModules = [ "btrfs" ];
boot.supportedFilesystems = [ "btrfs" ];
boot.initrd.postDeviceCommands = ''
FSTYPE=$(blkid -o value -s TYPE ${disk} || true)
if test -z "$FSTYPE"; then
modprobe btrfs
${pkgs.btrfs-progs}/bin/mkfs.btrfs ${disk}
mkdir /nixos
mount -t btrfs ${disk} /nixos
${pkgs.btrfs-progs}/bin/btrfs subvolume create /nixos/root
${pkgs.btrfs-progs}/bin/btrfs subvolume create /nixos/home
umount /nixos
fi
'';
virtualisation.fileSystems = {
"/" = {
device = disk;
fsType = "btrfs";
options = [ "subvol=/root" ];
};
"/home" = {
device = disk;
fsType = "btrfs";
options = [ "subvol=/home" ];
};
};
};
testScript = ''
machine.wait_for_unit("multi-user.target")
with subtest("BTRFS filesystems are mounted correctly"):
machine.succeed("grep -E '/dev/vda / btrfs rw,relatime,space_cache=v2,subvolid=[0-9]+,subvol=/root 0 0' /proc/mounts")
machine.succeed("grep -E '/dev/vda /home btrfs rw,relatime,space_cache=v2,subvolid=[0-9]+,subvol=/home 0 0' /proc/mounts")
'';
})