Timeout: 5 * time.Second,
	}
	var res TestGrid
	res.Hosts = hosts
	ready := make(chan struct{})
	ctx, cancel := context.WithCancel(context.Background())
	res.cancel = cancel
	for i, host := range hosts {
		manager, err := NewManager(ctx, ManagerOptions{
			Dialer: dialer.DialContext,
			Local:  host,
			Hosts:  hosts,
			AuthRequest: func(r *http.Request) error {
				return nil
			},

)

type collectMetricsOpts struct {
	hosts map[string]struct{}
	disks map[string]struct{}
	jobID string
	depID string
}

func collectLocalMetrics(types madmin.MetricType, opts collectMetricsOpts) (m madmin.RealtimeMetrics) {
	if types == madmin.MetricsNone {
		return
	}

	byHostName := globalMinioAddr
	if len(opts.hosts) > 0 {
		server := getLocalServerProperty(globalEndpoints, &http.Request{

					n := 0
					var latency int64
					managers := grid.Managers
					hosts := grid.Hosts
					for pb.Next() {
						// Pick a random manager.
						src, dst := rng.Intn(len(managers)), rng.Intn(len(managers))
						if src == dst {
							dst = (dst + 1) % len(managers)
						}
						local := managers[src]
						conn := local.Connection(hosts[dst])
						if conn == nil {
							b.Fatal("No connection")
						}

func initGlobalGrid(ctx context.Context, eps EndpointServerPools) error {
	hosts, local := eps.GridHosts()
	g, err := grid.NewManager(ctx, grid.ManagerOptions{
		Dialer:       grid.ContextDialer(xhttp.DialContextWithLookupHost(globalDNSCache.LookupHost, xhttp.NewInternodeDialContext(rest.DefaultTimeout, globalTCPOptions))),
		Local:        local,
		Hosts:        hosts,
		AddAuth:      newCachedAuthToken(),
		AuthRequest:  storageServerRequestValidate,

	m := &Manager{
		ID:          uuid.New(),
		targets:     make(map[string]*Connection, len(o.Hosts)),
		local:       o.Local,
		authRequest: o.AuthRequest,
	}
	m.handlers.init()
	if ctx == nil {
		ctx = context.Background()
	}
	for _, host := range o.Hosts {
		if host == o.Local {
			if found {
				return nil, fmt.Errorf("grid: local host found multiple times")
			}
			found = true
			// No connection to local.

		// Only useful in distributed setups
		return nil, nil
	}

	hosts := endpoints.hostsSorted()
	remote = make([]*peerRESTClient, 0, len(hosts))
	all = make([]*peerRESTClient, len(hosts))
	for i, host := range hosts {
		if host == nil {
			continue
		}
		all[i] = newPeerRESTClient(host, endpoints.FindGridHostsFromPeer(host))
		remote = append(remote, all[i])
	}
	if len(all) != len(remote)+1 {

	hosts := getHostsSlice(records)
	rng := rand.New(rand.NewSource(time.Now().UTC().UnixNano()))
	var d net.Dialer
	var retry int
	for retry < len(hosts) {
		ctx, cancel := context.WithTimeout(GlobalContext, 300*time.Millisecond)

		host = hosts[rng.Intn(len(hosts))]
		conn, err := d.DialContext(ctx, "tcp", host)
		cancel()
		if err != nil {
			retry++
			continue
		}
		conn.Close()
		break

			} else if len(ingress.Spec.ExternalIPs) > 0 {
				ingressIP = ingress.Spec.ExternalIPs[0]
			}
			// TODO: add case where the load balancer is a DNS name
		}
	}

	var hosts string
	if netutil.IsValidIPAddress(ingressIP) {
		hosts = fmt.Sprintf("%s %s\n", ingressIP, IstiodHost(istioNamespace, revision))
	} else {

		if err != nil {
			t.Fatal(err)
		}
	}
	grid, err := SetupTestGrid(2)
	errFatal(err)
	t.Cleanup(grid.Cleanup)

	local := grid.Managers[0]
	localHost := grid.Hosts[0]
	remote := grid.Managers[1]
	remoteHost := grid.Hosts[1]

	connLocalToRemote := local.Connection(remoteHost)
	connRemoteLocal := remote.Connection(localHost)

	t.Run("testStreamRoundtrip", func(t *testing.T) {

	m := collectLocalMetrics(types, collectMetricsOpts{
		hosts: map[string]struct{}{
			globalLocalNodeName: {},
		},
	})

	for host, hm := range m.ByHost {
		if len(host) > 0 {
			if hm.Net != nil && len(hm.Net.NetStats.Name) > 0 {
				stats := hm.Net.NetStats
				labels := map[string]string{"interface": stats.Name}