import java.net.HttpURLConnection
import java.net.InetAddress
import java.net.ProtocolException
import java.net.SocketTimeoutException
import java.nio.charset.StandardCharsets.UTF_8
import java.time.Duration
import java.util.concurrent.TimeUnit
import javax.net.ssl.HttpsURLConnection
import kotlin.test.assertFailsWith
import mockwebserver3.SocketEffect.CloseSocket
import okhttp3.Headers

func (d *dataUsageCache) load(ctx context.Context, store objectIO, name string) error {
	// By default, empty data usage cache
	*d = dataUsageCache{}

	load := func(name string, timeout time.Duration) (bool, error) {
		// Abandon if more than time.Minute, so we don't hold up scanner.
		// drive timeout by default is 2 minutes, we do not need to wait longer.
		ctx, cancel := context.WithTimeout(ctx, timeout)

	if err != nil {
		t.Fatal(err)
	}

	for {
		_, err := restClient.DiskInfo(t.Context(), DiskInfoOptions{})
		if err == nil || errors.Is(err, errUnformattedDisk) {
			break
		}
		time.Sleep(time.Duration(rand.Float64() * float64(100*time.Millisecond)))
	}

	return restClient
}

func TestStorageRESTClientDiskInfo(t *testing.T) {
	restClient := newStorageRESTHTTPServerClient(t)

		select {
		case <-ctx.Done():
			return ctx.Err()
		default:
			// Sleep and stagger to avoid blocked CPU and thundering
			// herd upon start up sequence.
			time.Sleep(25*time.Millisecond + time.Duration(rand.Int63n(int64(100*time.Millisecond))))
			retries++
			// after 20 retries start logging that servers are not reachable yet
			if retries >= 20 {

* Kubeadm now includes CoreDNS version 1.6.5 ([#85108](https://github.com/kubernetes/kubernetes/pull/85108), [@rajansandeep](https://github.com/rajansandeep))
    *  - `kubernetes` plugin adds metrics to measure kubernetes control plane latency.
    *  -  the `health` plugin now includes the `lameduck` option by default, which waits for a duration before shutting down.

- Kube-controller-manager: the `--experimental-cluster-signing-duration` flag is marked as deprecated for removal in v1.22, and is replaced with `--cluster-signing-duration`. ([#91154](https://github.com/kubernetes/kubernetes/pull/91154), [@liggitt](https://github.com/liggitt)) [SIG Auth and Cloud Provider]

	}

	// Return the collected common max time, with maxima
	return latest, maxima
}

// commonTime returns a maximally occurring time from a list of time.
func commonTimeAndOccurrence(times []time.Time, group time.Duration) (maxTime time.Time, maxima int) {
	timeOccurrenceMap := make(map[int64]int, len(times))
	groupNano := group.Nanoseconds()
	// Ignore the uuid sentinel and count the rest.
	for _, t := range times {

// isServerResolvable - checks if the endpoint is resolvable
// by sending a naked HTTP request with liveness checks.
func isServerResolvable(endpoint Endpoint, timeout time.Duration) error {
	serverURL := &url.URL{
		Scheme: endpoint.Scheme,
		Host:   endpoint.Host,
		Path:   pathJoin(healthCheckPathPrefix, healthCheckLivenessPath),
	}

	httpClient := &http.Client{

	QueueLimit         uint64        `json:"queueLimit"`
	Version            string        `json:"version"`
	BatchSize          uint32        `json:"batchSize"`
	BatchCommitTimeout time.Duration `json:"batchCommitTimeout"`
	TLS                struct {
		Enable        bool               `json:"enable"`
		RootCAs       *x509.CertPool     `json:"-"`
		SkipVerify    bool               `json:"skipVerify"`

    client =
      client
        .newBuilder()
        .readTimeout(Duration.ofSeconds(1))
        .build()
    executeSynchronously("/a").assertBody("abc")

    // Second request: time out after 250ms.
    client =
      client
        .newBuilder()
        .readTimeout(Duration.ofMillis(250))
        .build()
    val request = Request.Builder().url(server.url("/b")).build()