modules/nixos/traits/hercules.nix


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{
  config,
  lib,
  unstable,
  secretsDir,
  ...
}: let
  cfg = config.traits.hercules-ci;
in {
  options.traits.hercules-ci = {
    enable = lib.mkEnableOption "hercules-ci";
    manageSecrets =
      lib.mkEnableOption "automatic secrets management"
      // {
        default = config.traits.secrets.enable;
      };
  };

  config = lib.mkIf cfg.enable (
    lib.mkMerge [
      {
        services.hercules-ci-agent = {
          enable = true;
          package = unstable.hercules-ci-agent;
        };
      }

      (let
        secretNames = [
          "binaryCaches"
          "clusterJoinToken"
          "secretsJson"
        ];
      in
        lib.mkIf cfg.manageSecrets {
          age.secrets = lib.genAttrs secretNames (
            file: {
              file = "${secretsDir}/${file}.age";
              mode = "400";
              owner = "hercules-ci-agent";
              group = "hercules-ci-agent";
            }
          );

          services.hercules-ci-agent = {
            settings = lib.mapAttrs' (name: lib.nameValuePair (name + "Path")) (
              lib.genAttrs secretNames (name: config.age.secrets.${name}.path)
            );
          };
        })
    ]
  );
}