return err
		}
	}
	fmt.Fprintln(c.Stdout, string(out))
	return nil
}

func retrieveSortedEndpointClusterSlice(ec []EndpointCluster) []EndpointCluster {
	sort.Slice(ec, func(i, j int) bool {
		if ec[i].address == ec[j].address {
			if ec[i].port == ec[j].port {
				return ec[i].cluster < ec[j].cluster
			}
			return ec[i].port < ec[j].port
		}