67 lines
1.5 KiB
Nix
67 lines
1.5 KiB
Nix
{ self, ... }: { config, lib, pkgs, ... }: let
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monthly = {
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OnCalendar = "monthly";
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RandomizedDelaySec = "1w";
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};
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timers = {
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"btrfs-scrub@nix" = monthly;
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"btrfs-scrub@home" = monthly;
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"btrfs-scrub@var" = monthly;
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"btrfs-balance@nix" = monthly;
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};
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in {
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imports = with self.nixosModules; [
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powersupply
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];
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systemd = {
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services =
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let
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btrfs = "${pkgs.btrfs-progs}/bin/btrfs";
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service = serviceConfig: {
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unitConfig = {
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ConditionPathIsMountPoint = "%f";
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RequiresMountsFor = "%f";
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Requisite = [ "power-external.target" ];
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StopPropagatedFrom = [ "power-external.target" ];
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};
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serviceConfig = {
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Type = "exec";
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KillSignal = "SIGINT";
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CPUSchedulingPolicy = "batch";
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IOSchedulingClass = "idle";
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CPUWeight = "idle";
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} // serviceConfig;
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};
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in {
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"btrfs-scrub@" = service {
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ExecStart = "${btrfs} scrub start -B %f";
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BindPaths = [ "%f:%f:norbind" ];
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};
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"btrfs-balance@" = service {
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ExecStart = "${btrfs} balance start -dusage=10 -musage=5 %f";
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};
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} // lib.mapAttrs (name: _: {
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overrideStrategy = "asDropin";
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}) timers;
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timers = lib.mapAttrs (name: timerConfig: {
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bindsTo = [ "power-external.target" ];
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unitConfig = {
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ConditionPathIsMountPoint = "%f";
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RequiresMountsFor = "%f";
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};
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timerConfig = timerConfig // {
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Persistent = true;
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};
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}) timers;
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};
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}
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