57 lines
1.7 KiB
Nix
57 lines
1.7 KiB
Nix
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{ pkgs, utils, lib, config, ... }:
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with lib;
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let
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cfg = config.services.btrfsScrub;
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in
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{
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options.services.btrfsScrub = {
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enable = mkEnableOption "Periodically run btrfs-scrub on filesystems";
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enableFailureEmail = mkOption {
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type = types.bool;
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default = true;
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description = mdDoc "Send e-mail on scrub failure";
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};
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paths = mkOption {
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type = with types; attrsOf (submodule {
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options = {
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onCalendar = mkOption {
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type = str;
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default = "*-*-* 02:00:00";
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};
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};
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});
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};
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};
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config.services.statusEmail.enable = mkIf (cfg.enable && cfg.enableFailureEmail) true;
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config.systemd.services."btrfs-scrub@" = mkIf cfg.enable {
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unitConfig = {
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Description = "Scrub btrfs volume %I";
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OnFailure = mkIf cfg.enableFailureEmail "status-email@%n.service";
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};
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serviceConfig = {
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Type = "simple";
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ExecStart = "${pkgs.btrfs-progs}/bin/btrfs scrub start -B -d %f";
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# ExecStop = "-${pkgs.btrfs-progs}/bin/btrfs scrub cancel %f";
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Nice = 19;
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};
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};
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config.systemd.timers = mkIf cfg.enable (mapAttrs' (name: value:
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let
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pathEscaped = utils.escapeSystemdPath name;
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in
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nameValuePair "btrfs-scrub-${pathEscaped}"
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{
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wantedBy = [ "timers.target" ];
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enable = true;
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timerConfig = {
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Unit = "btrfs-scrub@${pathEscaped}.service";
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OnCalendar = value.onCalendar;
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RandomizedDelaySec = "1h";
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Persistent = true;
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};
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}) cfg.paths);
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}
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