def METHOD_NAME(self):
    if not self.kms_encrypted_password_fetched_from_password_kms_txt:
        password_kms_txt = '{resource_dir}/PASSWORD_KMS.txt'.format(resource_dir=self.resource_dir)
        with open(password_kms_txt, 'r') as kms_encrypted_password_file:
            self.parameters['KMSEncryptedPassword'] = kms_encrypted_password_file.readline()
        self.kms_encrypted_password_fetched_from_password_kms_txt = True