Improve core module

* Drop unsued iwdConfig option
* Add flag to enable caddy (default !lite)
* Add flag to enable vhost in caddy for help (default !lite)
* Add flag to enable vhost in caddy for cups (default printing.enable)
* Set defaults instead of a hard value to have individual options
  overridable

modules/core/boot.nix

@@ -19,7 +19,7 @@ in
   config = {
     boot = {
       # Enable plymouth for better experience of booting
-      plymouth.enable = true;
+      plymouth.enable = mkIf (!cfg.lite) (lib.mkDefault true);
 
       # Mount / luks device in initrd
       # Allow fstrim to work on it.

modules/core/default.nix

@@ -29,12 +29,12 @@ in
 
   config = {
     pub-solar = {
-      audio.enable = lib.mkIf (!cfg.lite) true;
-      crypto.enable = lib.mkIf (!cfg.lite) true;
-      devops.enable = lib.mkIf (!cfg.lite) true;
+      audio.enable = lib.mkIf (!cfg.lite) (lib.mkDefault true);
+      crypto.enable = lib.mkIf (!cfg.lite) (lib.mkDefault true);
+      devops.enable = lib.mkIf (!cfg.lite) (lib.mkDefault true);
 
       terminal-life = {
-        enable = true;
+        enable = lib.mkDefault true;
         lite = cfg.lite;
       };
     };

modules/core/networking.nix

@@ -6,6 +6,15 @@ let cfg = config.pub-solar.core;
 in
 {
   options.pub-solar.core = {
+    enableCaddy = mkOption {
+      type = types.bool;
+      default = !cfg.lite;
+    };
+    enableHelp = mkOption {
+      type = types.bool;
+      default = !cfg.lite;
+    };
+
     binaryCaches = mkOption {
       type = types.listOf types.str;
       default = [ ];
@@ -16,11 +25,6 @@ in
       default = [ ];
       description = "Public keys of binary caches.";
     };
-    iwdConfig = mkOption {
-      type = with types; nullOr (attrsOf (attrsOf (oneOf [ bool int str ])));
-      default = null;
-      description = "Configuratoin of iNet Wireless Daemon.";
-    };
   };
   config = {
     # disable NetworkManager-wait-online by default
@@ -38,27 +42,38 @@ in
 
     # These entries get added to /etc/hosts
     networking.hosts = {
-      "127.0.0.1" = [ "cups.local" "help.local" "caddy.local" ];
+      "127.0.0.1" = [ ]
+        ++ lib.optionals cfg.enableCaddy [ "caddy.local" ]
+        ++ lib.optionals config.pub-solar.printing.enable [ "cups.local" ]
+        ++ lib.optionals cfg.enableHelp [ "help.local" ];
     };
 
     # Caddy reverse proxy for local services like cups
     services.caddy = {
-      enable = true;
+      enable = cfg.enableCaddy;
       globalConfig = ''
         default_bind 127.0.0.1
         auto_https off
       '';
-      extraConfig = ''
-        cups.local:80 {
-          request_header Host localhost:631
-          reverse_proxy unix//run/cups/cups.sock
-        }
+      extraConfig = concatStringsSep "\n" [
+        (lib.optionalString
+          config.pub-solar.printing.enable
+          ''
+            cups.local:80 {
+              request_header Host localhost:631
+              reverse_proxy unix//run/cups/cups.sock
+            }
+          '')
 
-        help.local:80 {
-          root * ${pkgs.psos-docs}/lib/html
-          file_server
-        }
-      '';
+        (lib.optionalString
+          cfg.enableHelp
+          ''
+            help.local:80 {
+              root * ${pkgs.psos-docs}/lib/html
+              file_server
+            }
+          '')
+      ];
     };
   };
 }