// aggregator returns the host responsible for aggregation of flows
// for the given forwarder host.
func aggregator(forwarder *config.Host, config *config.Config) (*config.Host, bool) {
for _, host := range config.Cluster(forwarder.ClusterID) {
hc, ok := hostConfig(host)
if !ok {
continue
}
if hc.Aggregator {
return host, true
}
}
return nil, false
}
