file cleanup, conditional motd

modules/homelab/services/home/mosquitto/default.nix

@@ -1,12 +1,14 @@
-{ pkgs, config, lib, ... }:
-
-let
+{
+  pkgs,
+  config,
+  lib,
+  ...
+}: let
   service = "mosquitto";
   cfg = config.homelab.${service};
   sec = config.sops.secrets;
   homelab = config.homelab;
-in
-{
+in {
   options.homelab.${service} = {
     enable = lib.mkEnableOption "enables ${service}";
 
@@ -38,14 +40,16 @@ in
     };
     motd = lib.mkOption {
       type = lib.types.nullOr lib.types.str;
-      default = service;
+      default =
+        if cfg.enable
+        then service
+        else null;
     };
   };
 
   config = lib.mkIf cfg.enable {
-    
     # declare ${service} group
-    users.groups.${service} = { gid = lib.mkForce cfg.ids; };
+    users.groups.${service} = {gid = lib.mkForce cfg.ids;};
 
     # declare ${service} user
     users.users.${service} = {
@@ -65,15 +69,16 @@ in
         port = 1883;
         address = "0.0.0.0";
         users.zigbee = {
-          acl = [ "readwrite #" ];
+          acl = ["readwrite #"];
           hashedPassword = "$7$101$140powz2MtsRawFT$ydndjal9wCAywIWtUEAh/IusdfDFvnHMupTFjdS7Ad/EjsEIbJgHrLY9waCe4Z3142XieuxMrXUDjMTp2qwyiw==";
         };
         # use with no auth
-#        settings.allow_anonymous = true;
-#        acl = [ "pattern readwrite #" ];
-#        omitPasswordAuth = true;
+        #        settings.allow_anonymous = true;
+        #        acl = [ "pattern readwrite #" ];
+        #        omitPasswordAuth = true;
       }
     ];
+
     # override umask to make permissions work out
     systemd.services.${service}.serviceConfig = {
       UMask = lib.mkForce "0007";
@@ -82,7 +87,7 @@ in
     };
 
     # open firewall
-    networking.firewall.allowedTCPPorts = [ cfg.port ];
+    networking.firewall.allowedTCPPorts = [cfg.port];
 
     sops.secrets = {
       "${service}_hashed_passwd" = {
@@ -93,7 +98,7 @@ in
 
     # add to backups
     homelab.backups.baks = {
-     ${service} = { paths = [ cfg.data_dir ]; };
+      ${service} = {paths = [cfg.data_dir];};
     };
   };
 }