func main()

in metrics/go-client/cmd/main.go [34:87]
50 lines of code
7 McCabe index (conditional complexity)

func main() {
	zookeeper := os.Getenv("ZOOKEEPER_ADDRESS")
	if zookeeper == "" {
		zookeeper = "localhost"
	}
	ins, err := dubbo.NewInstance(
		dubbo.WithRegistry(
			registry.WithAddress("zookeeper://"+zookeeper+":2181"),
		),
		dubbo.WithMetrics(
			metrics.WithEnabled(),
			metrics.WithPrometheus(),                // set prometheus metric
			metrics.WithPrometheusExporterEnabled(), // enable prometheus exporter
			metrics.WithPort(9097),                  // prometheus http exporter listen at 9097
			metrics.WithPath("/prometheus"),         // prometheus http exporter url path
			metrics.WithMetadataEnabled(),           // enable metadata center metrics
			metrics.WithRegistryEnabled(),           // enable registry metrics
			metrics.WithConfigCenterEnabled(),       // enable config center metrics

			metrics.WithPrometheusPushgatewayEnabled(), // enable prometheus pushgateway
			metrics.WithPrometheusGatewayUsername("username"),
			metrics.WithPrometheusGatewayPassword("1234"),
			metrics.WithPrometheusGatewayUrl("127.0.0.1:9091"), // host:port or ip:port,“http://” is added automatically,do not include the “/metrics/jobs/…” part
			metrics.WithPrometheusGatewayInterval(time.Second*10),
			metrics.WithPrometheusGatewayJob("push"), // set a metric job label, job=push to metric

			metrics.WithAggregationEnabled(), // enable rpc metrics aggregations，Most of the time there is no need to turn it on
			metrics.WithAggregationTimeWindowSeconds(30),
			metrics.WithAggregationBucketNum(10), // agg bucket num
		),
	)
	if err != nil {
		panic(err)
	}
	cli, err := ins.NewClient()
	if err != nil {
		panic(err)
	}

	svc, err := greet.NewGreetService(cli)
	if err != nil {
		panic(err)
	}

	for true {
		resp, err := svc.Greet(context.Background(), &greet.GreetRequest{Name: "hello world"})
		if err != nil {
			logger.Error(err)
		} else {
			logger.Infof("Greet response: %s", resp.Greeting)
		}
		time.Sleep(100 * time.Millisecond)
	}
}