Added all configuration parameters to nix flake

nix/modules/oott-service.nix

@@ -16,6 +16,11 @@ in {
         Whether to run the oott service
       '';
     };
+    database.path = mkOption {
+      type = types.path;
+      description = "Full path to store the database at";
+      default = "/var/lib/oott.db";
+    };
     networking.interface = mkOption {
       type = types.str;
       description = "Network interface to use for scans";
@@ -26,6 +31,41 @@ in {
       description = "Log level for the oott service";
       default = "info";
     };
+    timings.wait_between_scans = mkOption {
+      type = types.str;
+      description = "Wait time between scans. This does not include the scan time.";
+      default = "15m";
+    };
+    timings.arp_sender_timeout = mkOption {
+      type = types.str;
+      description = "If the ARP sender process takes longer than this it will be stopped (for a class C network - 254 IPs - it should take less than a minute).";
+      default = "1m";
+    };
+    timings.arp_scan_duration = mkOption {
+      type = types.str;
+      description = "How long to wait for response packets on each scan (5m to 10m is a good timeframe for a class B or C network).";
+      default = "10m";
+    };
+    notifications.method = mkOption {
+      type = types.str;
+      description = "For now just pushover, you can set this to none to avoid sending notifications (it will just log).";
+      default = "pushover";
+    };
+    notifications.notify_when_not_seen_for = mkOption {
+      type = types.str;
+      description = "Send a notification if a device comes back online after not being seen for this timeframe.";
+      default = "1w";
+    };
+    notifications.pushover.token = mkOption {
+      type = types.str;
+      description = "Your pushover token goes here, just copy&paste from their website after creating the app.";
+      default = "";
+    };
+    notifications.pushover.user_key = mkOption {
+      type = types.str;
+      description = "User key goes here, this is the account wide code for pushover.";
+      default = "";
+    };
   };
 
   # Service implementation
@@ -36,11 +76,10 @@ in {
       wantedBy = ["multi-user.target"];
 
       serviceConfig = {
-        ExecStart = "${pkgs.oott}/bin/oott ${
+        ExecStart = "${pkgs.oott}/bin/oott --config ${
           builtins.toFile "oott.json"
           (generators.toJSON {} cfg)
         }";
-        # ExecStart = "${pkgs.oott}/bin/oott";
         ProtectHome = "read-only";
         Restart = "on-failure";
         Type = "exec";