def _validate_healthcheck_params(params):
    """
    Validate healthcheck params.

    Simple validation has already assumed by AnsibleModule.

    :param params: Ansible dictionary containing configuration.
    :type  params: ``dict``

    :return: True or raises ValueError
    :rtype: ``bool`` or `class:ValueError`
    """
    if params['timeout'] > params['check_interval']:
        raise ValueError("timeout (%s) is greater than check_interval (%s)" % (
            params['timeout'], params['check_interval']))

    return (True, '')