srcCfg := getServerSystemCfg()
	clnts := newBootstrapRESTClients(endpointServerPools, gm)
	var onlineServers int
	var offlineEndpoints []error
	var incorrectConfigs []error
	var retries int
	var mu sync.Mutex
	for onlineServers < len(clnts)/2 {
		var wg sync.WaitGroup
		wg.Add(len(clnts))
		onlineServers = 0
		for _, clnt := range clnts {
			go func(clnt *bootstrapRESTClient) {
				defer wg.Done()

func TestMain(m *testing.M) {
	startLockServers()

	// Initialize locker clients for dsync.
	var clnts []NetLocker
	for i := 0; i < len(nodes); i++ {
		clnts = append(clnts, newClient(nodes[i].URL))
	}

	ds = &Dsync{
		GetLockers: func() ([]NetLocker, string) { return clnts, uuid.New().String() },
		Timeouts: Timeouts{
			Acquire:         testDrwMutexAcquireTimeout,

func (c *Config) Update(ncfg Config) {
	configLock.Lock()
	defer configLock.Unlock()

	c.Enable = ncfg.Enable
	c.Endpoint = ncfg.Endpoint
	c.BlockSize = ncfg.BlockSize
	c.clnt = ncfg.clnt
}

// cache related errors
var (
	ErrInvalidArgument = errors.New("invalid argument")
	ErrKeyMissing      = errors.New("key is missing")
)

const (
	mcacheV1Check  = "/_mcache/v1/check"

	}
	if err := clnt.Get(ctx, client.ObjectKeyFromObject(obj), check); kerrors.IsNotFound(err) {
		if err := clnt.Create(ctx, check); err != nil {
			return fmt.Errorf("could not inject object creation for fake: %w", err)
		}
	} else if err != nil {
		return err
	}
	obj.SetResourceVersion(check.GetResourceVersion())
	return clnt.Update(ctx, obj)
}}

	if err != nil {
		return err
	}

	if r.NotificationCfg.Token != "" {
		req.Header.Set("Authorization", r.NotificationCfg.Token)
	}

	clnt := http.Client{Transport: getRemoteInstanceTransport()}
	resp, err := clnt.Do(req)
	if err != nil {
		return err
	}

	xhttp.DrainBody(resp.Body)
	if resp.StatusCode != http.StatusOK {
		return errors.New(resp.Status)
	}

			return sameTarget, toAPIError(ctx, BucketRemoteArnTypeInvalid{Bucket: bucket})
		}
		clnt := globalBucketTargetSys.GetRemoteTargetClient(bucket, arnStr)
		if clnt == nil {
			return sameTarget, toAPIError(ctx, BucketRemoteTargetNotFound{Bucket: bucket})
		}
		if checkRemote { // validate remote bucket
			found, err := clnt.BucketExists(ctx, arn.Bucket)
			if err != nil {

func parseDiscoveryDoc(ustr string) (DiscoveryDoc, error) {
	d := DiscoveryDoc{}
	req, err := http.NewRequest(http.MethodGet, ustr, nil)
	if err != nil {
		return d, err
	}
	clnt := http.Client{
		Transport: http.DefaultTransport,
	}
	resp, err := clnt.Do(req)
	if err != nil {
		return d, err
	}
	defer resp.Body.Close()
	if resp.StatusCode != http.StatusOK {

		HealthCheckReconnectUnit: 200 * time.Millisecond,
		HealthCheckTimeout:       time.Second,
	}
	if err != nil {
		clnt.lastErr = err
		clnt.lastErrTime = time.Now()
	}

	if clnt.HealthCheckFn != nil {
		// make connection pre-emptively.
		go clnt.HealthCheckFn()
	}
	return clnt
}

// IsOnline returns whether the client is likely to be online.
func (c *Client) IsOnline() bool {

	if insecure {
		// skip TLS verification
		transport.TLSClientConfig.InsecureSkipVerify = true
	}

	clnt, err := minio.New(u.Host, &minio.Options{
		Creds:     credentials.NewStaticV4(accessKey, secretKey, ""),
		Secure:    secure,
		Transport: transport,
	})
	if err != nil {
		return nil, err
	}

	return clnt, nil
}

func main() {

func newHCClient() *madmin.AnonymousClient {
	clnt, e := madmin.NewAnonymousClientNoEndpoint()
	if e != nil {
		bugLogIf(GlobalContext, errors.New("Unable to initialize health check client"))
		return nil
	}
	clnt.SetCustomTransport(globalRemoteTargetTransport)
	return clnt
}

// heartBeat performs liveness check on remote endpoints.