'Get an elasticache connection'

def _get_elasticache_connection(self):

    (region, ec2_url, aws_connect_params) = get_aws_connection_info(self.module, boto3=True)
    if region:
        return boto3_conn(self.module, conn_type='client', resource='elasticache', region=region, endpoint=ec2_url, **aws_connect_params)
    else:
        self.module.fail_json(msg='region    must    be    specified')
