add prey: Proven tracking software that helps you find, lock and recover your devices when stolen or missing

nixos/modules/module-list.nix

@@ -61,6 +61,7 @@
   ./security/pam.nix
   ./security/pam_usb.nix
   ./security/polkit.nix
+  ./security/prey.nix
   ./security/rngd.nix
   ./security/rtkit.nix
   ./security/setuid-wrappers.nix

nixos/modules/security/prey.nix

@@ -0,0 +1,42 @@
+{config, pkgs, ...}:
+
+with pkgs.lib;
+
+let
+  cfg = config.services.prey;
+  myPrey = pkgs."prey-bash-client".override {
+    apiKey = cfg.apiKey;
+    deviceKey = cfg.deviceKey;
+  };
+in {
+  options = {
+
+    services.prey = {
+      enable = mkOption {
+        default = false;
+        type = types.bool;
+        description = ''
+          Enables http://preyproject.com/ bash client. Be sure to specify api and device keys.
+          Once setup, cronjob will run evert 15 minutes and report status.
+        '';
+      };
+
+      deviceKey = mkOption {
+        type = types.string;
+        description = "Device Key obtained from https://panel.preyproject.com/devices (and clicking on the device)";
+      };
+
+      apiKey = mkOption {
+        type = types.string;
+        description = "API key obtained from https://panel.preyproject.com/profile";
+      };
+    };
+
+  };
+
+  config = mkIf cfg.enable {
+      environment.systemPackages = [ myPrey ];
+      services.cron.systemCronJobs = [ "*/15 * * * * root ${myPrey}/prey.sh" ];
+  };
+
+}