pyrox.dev
1{ kernelPackages ? null }:
2import ../make-test-python.nix ({ pkgs, ... }: {
3 name = "lvm2-thinpool";
4 meta.maintainers = with pkgs.lib.maintainers; [ ajs124 ];
5
6 nodes.machine = { pkgs, lib, ... }: {
7 virtualisation.emptyDiskImages = [ 4096 ];
8 services.lvm = {
9 boot.thin.enable = true;
10 dmeventd.enable = true;
11 };
12 environment.systemPackages = with pkgs; [ xfsprogs ];
13 environment.etc."lvm/lvm.conf".text = ''
14 activation/thin_pool_autoextend_percent = 10
15 activation/thin_pool_autoextend_threshold = 80
16 '';
17 boot = lib.mkIf (kernelPackages != null) { inherit kernelPackages; };
18 };
19
20 testScript = ''
21 machine.succeed("vgcreate test_vg /dev/vdb")
22 machine.succeed("lvcreate -L 512M -T test_vg/test_thin_pool")
23 machine.succeed("lvcreate -n test_lv -V 16G --thinpool test_thin_pool test_vg")
24 machine.succeed("mkfs.xfs /dev/test_vg/test_lv")
25 machine.succeed("mkdir /mnt; mount /dev/test_vg/test_lv /mnt")
26 assert "/dev/mapper/test_vg-test_lv" == machine.succeed("findmnt -no SOURCE /mnt").strip()
27 machine.succeed("dd if=/dev/zero of=/mnt/empty.file bs=1M count=1024")
28 machine.succeed("journalctl -u dm-event.service | grep \"successfully resized\"")
29 machine.succeed("umount /mnt")
30 machine.succeed("vgchange -a n")
31 '';
32})