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|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.ananicy;
configFile = pkgs.writeText "ananicy.conf" (generators.toKeyValue { } cfg.settings);
extraRules = pkgs.writeText "extraRules" (concatMapStringsSep "\n" (l: builtins.toJSON l) cfg.extraRules);
extraTypes = pkgs.writeText "extraTypes" (concatMapStringsSep "\n" (l: builtins.toJSON l) cfg.extraTypes);
extraCgroups = pkgs.writeText "extraCgroups" (concatMapStringsSep "\n" (l: builtins.toJSON l) cfg.extraCgroups);
servicename = if ((lib.getName cfg.package) == (lib.getName pkgs.ananicy-cpp)) then "ananicy-cpp" else "ananicy";
in
{
options = {
services.ananicy = {
enable = mkEnableOption (lib.mdDoc "Ananicy, an auto nice daemon");
package = mkPackageOption pkgs "ananicy" {
example = "ananicy-cpp";
};
rulesProvider = mkPackageOption pkgs "ananicy" {
example = "ananicy-cpp";
} // {
description = lib.mdDoc ''
Which package to copy default rules,types,cgroups from.
'';
};
settings = mkOption {
type = with types; attrsOf (oneOf [ int bool str ]);
default = { };
example = {
apply_nice = false;
};
description = lib.mdDoc ''
See <https://github.com/Nefelim4ag/Ananicy/blob/master/ananicy.d/ananicy.conf>
'';
};
extraRules = mkOption {
type = with types; listOf attrs;
default = [ ];
description = lib.mdDoc ''
Rules to write in 'nixRules.rules'. See:
<https://github.com/Nefelim4ag/Ananicy#configuration>
<https://gitlab.com/ananicy-cpp/ananicy-cpp/#global-configuration>
'';
example = [
{ name = "eog"; type = "Image-Viewer"; }
{ name = "fdupes"; type = "BG_CPUIO"; }
];
};
extraTypes = mkOption {
type = with types; listOf attrs;
default = [ ];
description = lib.mdDoc ''
Types to write in 'nixTypes.types'. See:
<https://gitlab.com/ananicy-cpp/ananicy-cpp/#types>
'';
example = [
{ type = "my_type"; nice = 19; other_parameter = "value"; }
{ type = "compiler"; nice = 19; sched = "batch"; ioclass = "idle"; }
];
};
extraCgroups = mkOption {
type = with types; listOf attrs;
default = [ ];
description = lib.mdDoc ''
Cgroups to write in 'nixCgroups.cgroups'. See:
<https://gitlab.com/ananicy-cpp/ananicy-cpp/#cgroups>
'';
example = [
{ cgroup = "cpu80"; CPUQuota = 80; }
];
};
};
};
config = mkIf cfg.enable {
environment = {
systemPackages = [ cfg.package ];
etc."ananicy.d".source = pkgs.runCommandLocal "ananicyfiles" { } ''
mkdir -p $out
# ananicy-cpp does not include rules or settings on purpose
if [[ -d "${cfg.rulesProvider}/etc/ananicy.d/00-default" ]]; then
cp -r ${cfg.rulesProvider}/etc/ananicy.d/* $out
else
cp -r ${cfg.rulesProvider}/* $out
fi
# configured through .setings
rm -f $out/ananicy.conf
cp ${configFile} $out/ananicy.conf
${optionalString (cfg.extraRules != [ ]) "cp ${extraRules} $out/nixRules.rules"}
${optionalString (cfg.extraTypes != [ ]) "cp ${extraTypes} $out/nixTypes.types"}
${optionalString (cfg.extraCgroups != [ ]) "cp ${extraCgroups} $out/nixCgroups.cgroups"}
'';
};
# ananicy and ananicy-cpp have different default settings
services.ananicy.settings =
let
mkOD = mkOptionDefault;
in
{
cgroup_load = mkOD true;
type_load = mkOD true;
rule_load = mkOD true;
apply_nice = mkOD true;
apply_ioclass = mkOD true;
apply_ionice = mkOD true;
apply_sched = mkOD true;
apply_oom_score_adj = mkOD true;
apply_cgroup = mkOD true;
} // (if ((lib.getName cfg.package) == (lib.getName pkgs.ananicy-cpp)) then {
# https://gitlab.com/ananicy-cpp/ananicy-cpp/-/blob/master/src/config.cpp#L12
loglevel = mkOD "warn"; # default is info but its spammy
cgroup_realtime_workaround = mkOD config.systemd.enableUnifiedCgroupHierarchy;
log_applied_rule = mkOD false;
} else {
# https://github.com/Nefelim4ag/Ananicy/blob/master/ananicy.d/ananicy.conf
check_disks_schedulers = mkOD true;
check_freq = mkOD 5;
});
systemd = {
# https://gitlab.com/ananicy-cpp/ananicy-cpp/#cgroups applies to both ananicy and -cpp
enableUnifiedCgroupHierarchy = mkDefault false;
packages = [ cfg.package ];
services."${servicename}" = {
wantedBy = [ "default.target" ];
};
};
};
meta = {
maintainers = with maintainers; [ artturin ];
};
}
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