def get_health_monitor(self, loadbalancer):
        """
        Returns a dict representing the health monitor for the load
        balancer. If no monitor has been configured, returns an
        empty dict.
        """
        uri = "/loadbalancers/%s/healthmonitor" % utils.get_id(loadbalancer)
        resp, body = self.api.method_get(uri)
        return body.get("healthMonitor", {})