def get_all_es_domains_in_region(self, **kwargs):
        from security_monkey.common.sts_connect import connect
        client = connect(kwargs['account_name'], "boto3.es.client", region=kwargs['region'])
        app.logger.debug("Checking {}/{}/{}".format(ElasticSearchService.index, kwargs['account_name'], kwargs['region']))
        # No need to paginate according to: client.can_paginate("list_domain_names")
        domains = self.wrap_aws_rate_limited_call(client.list_domain_names)["DomainNames"]

        return client, domains