private boolean isVariablesListValid() {
   List<KeyValue> variables = view.getEnvironmentVariables();
   if (variables.isEmpty()) {
     view.hideVariablesError();
     return true;
   }
   for (KeyValue keyValue : variables) {
     if (!OpenshiftValidator.isEnvironmentVariableNameValid(keyValue.getKey())) {
       view.showVariablesError(locale.invalidVariablesError());
       return false;
     }
   }
   view.hideVariablesError();
   return true;
 }