reply[index].Errors = []string{fmt.Sprintf("%s: %s (rpc)", sys.peerClients[index].String(), err.Error())}
		}
	}
	return reply
}

// GetResourceMetrics - gets the resource metrics from all nodes excluding self.
func (sys *NotificationSys) GetResourceMetrics(ctx context.Context) <-chan MetricV2 {
	if sys == nil {
		return nil
	}
	g := errgroup.WithNErrs(len(sys.peerClients))