pyrox.dev
1import ./make-test-python.nix ({ lib, pkgs, ... }:
2{
3 name = "non-default-filesystems";
4
5 nodes.machine =
6 { config, pkgs, lib, ... }:
7 let
8 disk = config.virtualisation.bootDevice;
9 in
10 {
11 virtualisation.useDefaultFilesystems = false;
12
13 boot.initrd.availableKernelModules = [ "btrfs" ];
14 boot.supportedFilesystems = [ "btrfs" ];
15
16 boot.initrd.postDeviceCommands = ''
17 FSTYPE=$(blkid -o value -s TYPE ${disk} || true)
18 if test -z "$FSTYPE"; then
19 modprobe btrfs
20 ${pkgs.btrfs-progs}/bin/mkfs.btrfs ${disk}
21
22 mkdir /nixos
23 mount -t btrfs ${disk} /nixos
24
25 ${pkgs.btrfs-progs}/bin/btrfs subvolume create /nixos/root
26 ${pkgs.btrfs-progs}/bin/btrfs subvolume create /nixos/home
27
28 umount /nixos
29 fi
30 '';
31
32 virtualisation.fileSystems = {
33 "/" = {
34 device = disk;
35 fsType = "btrfs";
36 options = [ "subvol=/root" ];
37 };
38
39 "/home" = {
40 device = disk;
41 fsType = "btrfs";
42 options = [ "subvol=/home" ];
43 };
44 };
45 };
46
47 testScript = ''
48 machine.wait_for_unit("multi-user.target")
49
50 with subtest("BTRFS filesystems are mounted correctly"):
51 machine.succeed("grep -E '/dev/vda / btrfs rw,relatime,space_cache=v2,subvolid=[0-9]+,subvol=/root 0 0' /proc/mounts")
52 machine.succeed("grep -E '/dev/vda /home btrfs rw,relatime,space_cache=v2,subvolid=[0-9]+,subvol=/home 0 0' /proc/mounts")
53 '';
54})