pscand/nix/modules/nixos.nix

self: {
  config,
  pkgs,
  lib,
  ...
}: let
  inherit (lib.modules) mkIf;
  inherit (lib.options) mkOption mkEnableOption;
  inherit (lib.types) package;

  cfg = config.services.pscand;
in {
  options.services.pscand = {
    enable = mkEnableOption "Pluggable System Condition Monitoring Daemon";
    package = mkOption {
      type = package;
      default = self.packages.${pkgs.hostPlatform.system.pscand};
      defaultText = "self.packages.$${pkgs.hostPlatform.system}.pscand";
      description = "The pscand package to use";
    };
  };

  config = mkIf cfg.enable {
    systemd.packages = [cfg.package];

    systemd.services.pscand = {
      wantedBy = ["multi-user.target"];
      after = ["network.target"];
      serviceConfig = {
        Type = "simple";
        ExecStart = "${cfg.package}/bin/pscand";
        Restart = "on-failure";
        RestartSec = "5s";
        Environment = ["${cfg.package}/lib/pscand/scanners"]; # FIXME: make this configurable
      };
    };
  };
}