ensure template valid

src/services.cpp

@@ -183,6 +183,14 @@ bool create_service(const std::string &server_name, const std::string &template_
         return false;
     }
 
+    // check template is all good.
+    if (!gTemplateManager().test_template(tinfo.local_template_path()))
+    {
+        if (!silent)
+            std::cerr << "Error: Template '" << template_name << "' is not valid" << std::endl;
+        return false;
+    }
+
     // create the service directory
     fs::create_directory(service_dir);