def _check_rds_parameter(self, pool): stack_name = pool.get_value(ParameterName.SolutionStack) rds_enable = pool.get_value(ParameterName.RdsEnabled) if rds_enable and rds_utils.is_require_rds_parameters(pool)\ and rds_utils.is_rds_snippet_compatible(pool, stack_name): self._input_parameters.add(ParameterName.RdsSourceSnapshotName) self._input_parameters.add(ParameterName.RdsMasterPassword) self._input_parameters.add(ParameterName.RdsDeletionPolicy)