pyrox.dev
1import ./make-test-python.nix (
2 { ... }:
3 {
4 name = "snapper";
5
6 nodes.machine =
7 { pkgs, lib, ... }:
8 {
9 boot.initrd.postDeviceCommands = ''
10 ${pkgs.btrfs-progs}/bin/mkfs.btrfs -f -L aux /dev/vdb
11 '';
12
13 virtualisation.emptyDiskImages = [ 4096 ];
14
15 virtualisation.fileSystems = {
16 "/home" = {
17 device = "/dev/disk/by-label/aux";
18 fsType = "btrfs";
19 };
20 };
21 services.snapper.configs.home.SUBVOLUME = "/home";
22 services.snapper.filters = "/nix";
23 };
24
25 testScript =
26 { nodes, ... }:
27 let
28 inherit (nodes.machine.services.snapper) snapshotRootOnBoot;
29 in
30 ''
31 machine.succeed("btrfs subvolume create /home/.snapshots")
32 machine.succeed("snapper -c home list")
33 machine.succeed("snapper -c home create --description empty")
34 machine.succeed("echo test > /home/file")
35 machine.succeed("snapper -c home create --description file")
36 machine.succeed("snapper -c home status 1..2")
37 machine.succeed("snapper -c home undochange 1..2")
38 machine.fail("ls /home/file")
39 machine.succeed("snapper -c home delete 2")
40 machine.succeed("systemctl --wait start snapper-timeline.service")
41 machine.succeed("systemctl --wait start snapper-cleanup.service")
42 machine.${if snapshotRootOnBoot then "succeed" else "fail"}("systemctl cat snapper-boot.service")
43 '';
44 }
45)