btrfssnapshot
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commit
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@ -0,0 +1,53 @@
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{
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config,
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lib,
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pkgs,
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...
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}: let
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cfg = config.mj.base.btrfssnapshot;
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in {
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options.mj.base.btrfssnapshot = {
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enable = lib.mkEnableOption "Enable btrfs snapshots";
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subvolumes = lib.mkOption {
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default = {};
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type = with lib.types;
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attrsOf (submodule {
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options = {
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label = lib.mkOption {type = str;};
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keep = lib.mkOption {type = int;};
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refreshInterval = lib.mkOption {type = str;};
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};
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});
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};
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};
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config = lib.mkIf cfg.enable {
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systemd = {
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services =
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lib.mapAttrs'
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(
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subvolume: params:
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lib.nameValuePair
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"btrfs-snapshot-${lib.strings.sanitizeDerivationName subvolume}"
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{
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description = "${params.label} btrfs snapshot for ${subvolume} (keep ${params.keep}";
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serviceConfig.ExecStart = "${pkgs.btrfs-auto-snapshot} --verbose --label=${params.label} --keep=${params.keep} ${subvolume}";
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}
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);
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timers =
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lib.mapAttrs'
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(
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subvolume: params:
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lib.nameValuePair
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"btrfs-snapshot-${lib.strings.sanitizeDerivationName subvolume}"
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{
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description = "${params.label} btrfs snapshot for ${subvolume}";
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wantedBy = ["timers.target"];
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timerConfig.OnCalendar = params.refreshInterval;
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}
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);
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};
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};
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}
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@ -9,6 +9,7 @@
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in {
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imports = [
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./boot
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./btrfssnapshot
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./fileSystems
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./snapshot
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./sshd
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