Add amule and enable on sisko

hosts/sisko/default.nix

@@ -33,6 +33,7 @@
       "arr"
       "zerotier"
       "mosh"
+      "amule"
     ]
     ++ [
       ./disko.nix

modules/amule/default.nix

@@ -0,0 +1,34 @@
+{ config, lib, ... }:
+{
+  users.users.amule = {
+    isSystemUser = true;
+    group = "amule";
+    extraGroups = [ "amule" ];
+    home = config.services.amule.dataDir;
+  };
+
+  users.groups.amule = { };
+  services.amule = {
+    dataDir = "/mnt/hd/amule";
+    enable = true;
+    user = "amule";
+  };
+
+  # sometimes the service crashes with a segfeault without any reason...
+  systemd.services.amuled.serviceConfig.Restart = lib.mkForce "always";
+
+  environment.persistence."/persist".directories = [
+    config.services.amule.dataDir
+  ];
+
+  networking.firewall = {
+    allowedTCPPorts = [ 4662 ];
+    allowedUDPPortRanges = [
+      {
+        from = 4665;
+        to = 4672;
+      }
+    ];
+  };
+
+}