646b892680
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46 lines
1.4 KiB
Nix
46 lines
1.4 KiB
Nix
{ ... }:
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{
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name = "snapper";
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nodes.machine =
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{ pkgs, lib, ... }:
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{
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virtualisation.emptyDiskImages = [
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{
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size = 4096;
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driveConfig.deviceExtraOpts.serial = "aux";
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}
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];
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virtualisation.fileSystems = {
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"/home" = {
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device = "/dev/disk/by-id/virtio-aux";
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fsType = "btrfs";
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autoFormat = true;
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};
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};
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services.snapper.configs.home.SUBVOLUME = "/home";
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services.snapper.filters = "/nix";
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};
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testScript =
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{ nodes, ... }:
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let
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inherit (nodes.machine.services.snapper) snapshotRootOnBoot;
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in
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''
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machine.succeed("btrfs subvolume create /home/.snapshots")
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machine.succeed("snapper -c home list")
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machine.succeed("snapper -c home create --description empty")
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machine.succeed("echo test > /home/file")
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machine.succeed("snapper -c home create --description file")
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machine.succeed("snapper -c home status 1..2")
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machine.succeed("snapper -c home undochange 1..2")
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machine.fail("ls /home/file")
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machine.succeed("snapper -c home delete 2")
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machine.succeed("systemctl --wait start snapper-timeline.service")
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machine.succeed("systemctl --wait start snapper-cleanup.service")
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machine.${if snapshotRootOnBoot then "succeed" else "fail"}("systemctl cat snapper-boot.service")
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'';
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}
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