pyrox.dev
1{
2 kernelPackages ? null,
3 flavour,
4 mkXfsFlags ? "",
5}:
6let
7 preparationCode =
8 {
9 raid = ''
10 machine.succeed("vgcreate test_vg /dev/vdb /dev/vdc")
11 machine.succeed("lvcreate -L 512M --type raid0 test_vg -n test_lv")
12 '';
13
14 thinpool = ''
15 machine.succeed("vgcreate test_vg /dev/vdb")
16 machine.succeed("lvcreate -L 512M -T test_vg/test_thin_pool")
17 machine.succeed("lvcreate -n test_lv -V 16G --thinpool test_thin_pool test_vg")
18 '';
19
20 vdo = ''
21 machine.succeed("vgcreate test_vg /dev/vdb")
22 machine.succeed("lvcreate --type vdo -n test_lv -L 6G -V 12G test_vg/vdo_pool_lv")
23 '';
24 }
25 .${flavour};
26
27 extraConfig =
28 {
29 raid = {
30 boot.initrd.kernelModules = [
31 "dm-raid"
32 "raid0"
33 ];
34 };
35
36 thinpool = {
37 services.lvm = {
38 boot.thin.enable = true;
39 dmeventd.enable = true;
40 };
41 };
42
43 vdo = {
44 services.lvm = {
45 boot.vdo.enable = true;
46 dmeventd.enable = true;
47 };
48 };
49 }
50 .${flavour};
51
52 extraCheck =
53 {
54 raid = ''
55 "test_lv" in machine.succeed("lvs --select segtype=raid0")
56 '';
57
58 thinpool = ''
59 "test_lv" in machine.succeed("lvs --select segtype=thin-pool")
60 '';
61
62 vdo = ''
63 "test_lv" in machine.succeed("lvs --select segtype=vdo")
64 '';
65 }
66 .${flavour};
67
68in
69import ../make-test-python.nix (
70 { pkgs, lib, ... }:
71 {
72 name = "lvm2-${flavour}-systemd-stage-1";
73 meta.maintainers = lib.teams.helsinki-systems.members;
74
75 nodes.machine =
76 { pkgs, lib, ... }:
77 {
78 imports = [ extraConfig ];
79 # Use systemd-boot
80 virtualisation = {
81 emptyDiskImages = [
82 8192
83 8192
84 ];
85 useBootLoader = true;
86 useEFIBoot = true;
87 # To boot off the LVM disk, we need to have a init script which comes from the Nix store.
88 mountHostNixStore = true;
89 };
90 boot.loader.systemd-boot.enable = true;
91 boot.loader.efi.canTouchEfiVariables = true;
92
93 environment.systemPackages = with pkgs; [ xfsprogs ];
94 boot = {
95 initrd.systemd = {
96 enable = true;
97 emergencyAccess = true;
98 };
99 initrd.services.lvm.enable = true;
100 kernelPackages = lib.mkIf (kernelPackages != null) kernelPackages;
101 };
102
103 specialisation.boot-lvm.configuration.virtualisation = {
104 useDefaultFilesystems = false;
105 fileSystems = {
106 "/" = {
107 device = "/dev/test_vg/test_lv";
108 fsType = "xfs";
109 };
110 };
111
112 rootDevice = "/dev/test_vg/test_lv";
113 };
114 };
115
116 testScript = ''
117 machine.wait_for_unit("multi-user.target")
118 # Create a VG for the root
119 ${preparationCode}
120 machine.succeed("mkfs.xfs ${mkXfsFlags} /dev/test_vg/test_lv")
121 machine.succeed("mkdir -p /mnt && mount /dev/test_vg/test_lv /mnt && echo hello > /mnt/test && umount /mnt")
122
123 # Boot from LVM
124 machine.succeed("bootctl set-default nixos-generation-1-specialisation-boot-lvm.conf")
125 machine.succeed("sync")
126 machine.crash()
127 machine.wait_for_unit("multi-user.target")
128
129 # Ensure we have successfully booted from LVM
130 assert "(initrd)" in machine.succeed("systemd-analyze") # booted with systemd in stage 1
131 assert "/dev/mapper/test_vg-test_lv on / type xfs" in machine.succeed("mount")
132 assert "hello" in machine.succeed("cat /test")
133 ${extraCheck}
134 '';
135 }
136)