Init: Autogenerate classes from nix interfaces

lib/inventory/build-inventory/interface.nix

@@ -41,6 +41,7 @@ in
           options = {
             inherit (metaOptions) name description icon;
             tags = lib.mkOption {
+
               default = [ ];
               apply = lib.unique;
               type = types.listOf types.str;
@@ -49,16 +50,10 @@ in
               default = null;
               type = types.nullOr types.str;
             };
-            deploy = lib.mkOption {
-              default = { };
-              type = types.submodule {
-                options = {
-                  targetHost = lib.mkOption {
-                    default = null;
-                    type = types.nullOr types.str;
-                  };
-                };
-              };
+            deploy.targetHost = lib.mkOption {
+              description = "Configuration for the deployment of the machine";
+              default = null;
+              type = types.nullOr types.str;
             };
           };
         }

lib/inventory/interface-to-schema.nix

@@ -55,6 +55,7 @@ let
               inventorySchema.properties.services.additionalProperties.additionalProperties.properties.meta;
             config = {
               title = "${moduleName}-config";
+              default = { };
             } // moduleSchema;
             roles = {
               type = "object";
@@ -69,6 +70,7 @@ let
                       {
                         properties.config = {
                           title = "${moduleName}-config";
+                          default = { };
                         } // moduleSchema;
                       };
                 }) (rolesOf moduleName)
@@ -80,6 +82,7 @@ let
                 {
                   additionalProperties.properties.config = {
                     title = "${moduleName}-config";
+                    default = { };
                   } // moduleSchema;
                 };
           };

lib/jsonschema/default.nix

@@ -318,7 +318,7 @@ rec {
     # return jsonschema property definition for submodule
     # then (lib.attrNames (option.type.getSubOptions option.loc).opt)
     then
-      parseOptions' (option.type.getSubOptions option.loc)
+      example // description // parseOptions' (option.type.getSubOptions option.loc)
     # throw error if option type is not supported
     else
       notSupported option;