67 lines
1.5 KiB
Nix
67 lines
1.5 KiB
Nix
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inputs: {
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config,
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lib,
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pkgs,
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system,
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...
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}: let
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cfg = config.outage-detector;
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package = inputs.self.packages.${pkgs.stdenv.hostPlatform.system}.default;
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inherit (lib) mkIf mkEnableOption mkOption types;
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format = pkgs.formats.json {};
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configFile = format.generate "config.json" cfg.settings;
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in {
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options.outage-detector = {
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enable = mkEnableOption "outage-detector";
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timer = lib.mkOption {
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type = types.nullOr types.int;
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default = null;
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description = lib.mdDoc ''
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The time intervall in seconds the script should be repeated.
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'';
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};
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settings = mkOption {
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type = with types; let
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valueType = nullOr (oneOf [
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# TODO: restrict type to actual config file structure
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bool
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int
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float
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str
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path
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(attrsOf valueType)
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(listOf valueType)
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]);
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in
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valueType;
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default = throw "Please specify outage-detector.settings";
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};
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};
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config = mkIf cfg.enable {
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environment.systemPackages = [package];
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systemd.services.outage-detector = mkIf (cfg.timer
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!= null) {
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script = "${package}/bin/outage_detector --config ${configFile}";
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serviceConfig = {
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Type = "oneshot";
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};
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};
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systemd.timers.outage-detector = mkIf (cfg.timer
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!= null) {
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wantedBy = ["timers.target"];
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timerConfig = {
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OnBootSec = "0s";
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OnUnitActiveSec = "${toString cfg.timer}s";
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Unit = "outage-detector.service";
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};
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};
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};
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}
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