107 lines
3.3 KiB
Nix
107 lines
3.3 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.ananicy;
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configFile = pkgs.writeText "ananicy.conf" (generators.toKeyValue { } cfg.settings);
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extraRules = pkgs.writeText "extraRules" cfg.extraRules;
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servicename = if ((lib.getName cfg.package) == (lib.getName pkgs.ananicy-cpp)) then "ananicy-cpp" else "ananicy";
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in
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{
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options = {
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services.ananicy = {
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enable = mkEnableOption "Ananicy, an auto nice daemon";
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package = mkOption {
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type = types.package;
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default = pkgs.ananicy;
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defaultText = literalExpression "pkgs.ananicy";
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example = literalExpression "pkgs.ananicy-cpp";
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description = ''
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Which ananicy package to use.
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'';
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};
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settings = mkOption {
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type = with types; attrsOf (oneOf [ int bool str ]);
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default = { };
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example = {
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apply_nice = false;
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};
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description = ''
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See <link xlink:href="https://github.com/Nefelim4ag/Ananicy/blob/master/ananicy.d/ananicy.conf"/>
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'';
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};
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extraRules = mkOption {
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type = types.str;
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default = "";
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description = ''
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Extra rules in json format on separate lines. See:
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<link xlink:href="https://github.com/Nefelim4ag/Ananicy#configuration"/>
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<link xlink:href="https://gitlab.com/ananicy-cpp/ananicy-cpp/#global-configuration"/>
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'';
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example = literalExpression ''
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'''
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{ "name": "eog", "type": "Image-View" }
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{ "name": "fdupes", "type": "BG_CPUIO" }
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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 = mkIf cfg.enable {
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environment = {
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systemPackages = [ cfg.package ];
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etc."ananicy.d".source = pkgs.runCommandLocal "ananicyfiles" { } ''
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mkdir -p $out
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# ananicy-cpp does not include rules or settings on purpose
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cp -r ${pkgs.ananicy}/etc/ananicy.d/* $out
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rm $out/ananicy.conf
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cp ${configFile} $out/ananicy.conf
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${optionalString (cfg.extraRules != "") "cp ${extraRules} $out/nixRules.rules"}
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'';
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};
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# ananicy and ananicy-cpp have different default settings
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services.ananicy.settings =
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let
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mkOD = mkOptionDefault;
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in
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{
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cgroup_load = mkOD true;
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type_load = mkOD true;
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rule_load = mkOD true;
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apply_nice = mkOD true;
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apply_ioclass = mkOD true;
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apply_ionice = mkOD true;
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apply_sched = mkOD true;
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apply_oom_score_adj = mkOD true;
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apply_cgroup = mkOD true;
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} // (if ((lib.getName cfg.package) == (lib.getName pkgs.ananicy-cpp)) then {
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# https://gitlab.com/ananicy-cpp/ananicy-cpp/-/blob/master/src/config.cpp#L12
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loglevel = mkOD "warn"; # default is info but its spammy
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cgroup_realtime_workaround = mkOD true;
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} else {
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# https://github.com/Nefelim4ag/Ananicy/blob/master/ananicy.d/ananicy.conf
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check_disks_schedulers = mkOD true;
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check_freq = mkOD 5;
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});
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systemd = {
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# https://gitlab.com/ananicy-cpp/ananicy-cpp/#cgroups applies to both ananicy and -cpp
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enableUnifiedCgroupHierarchy = mkDefault false;
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packages = [ cfg.package ];
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services."${servicename}" = {
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wantedBy = [ "default.target" ];
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};
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};
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};
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meta = {
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maintainers = with maintainers; [ artturin ];
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};
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}
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