// when requesting temp. credentials.
	// By default, MinIO always verify the client certificate.
	//
	// The client certificate verification should only be skipped
	// when debugging or testing a setup since it allows arbitrary
	// clients to obtain temp. credentials with arbitrary policy
	// permissions - including admin permissions.
	EnvIdentityTLSSkipVerify = "MINIO_IDENTITY_TLS_SKIP_VERIFY"
)

		Transport: transport,
	}

	resp, err := client.Do(req)
	if err != nil {
		return nil, err
	}

	defer xhttp.DrainBody(resp.Body)
	if resp.StatusCode != http.StatusOK {
		// uncomment this for debugging when needed.
		// reqBytes, _ := httputil.DumpRequest(req, false)
		// fmt.Println(string(reqBytes))
		// respBytes, _ := httputil.DumpResponse(resp, true)
		// fmt.Println(string(respBytes))

	// corner case errors for which introducing new APIErrorCode is not worth it. LogIf()
	// should be used to log the error at the source of the error for debugging purposes.
	ErrInvalidRequest: {
		Code:           "InvalidRequest",
		Description:    "Invalid Request",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrHealNotImplemented: {

					append(labels, metric.HistogramBucketLabel),
					metric.StaticLabels,
				),
				prometheus.GaugeValue,
				float64(v),
				append(values, k)...)
			if err != nil {
				// Enable for debugging
				if serverDebugLog {
					bugLogIf(GlobalContext, fmt.Errorf("unable to validate prometheus metric (%w) %v+%v", err, values, metric.Histogram))
				}
			} else {
				out <- pmetric
			}
		}

		if err != nil && err != io.EOF {
			// If there is a disconnection before globalNetPerfMinDuration (we give a margin of error of 1 sec)
			// would mean the network is not stable. Logging here will help in debugging network issues.
			if time.Since(connectTime) < (globalNetPerfMinDuration - time.Second) {
				peersLogIf(ctx, err)
			}
		}
		if err != nil {
			break
		}
	}
}

	ctx, cancel := context.WithTimeout(ctx, ds.Timeouts.Acquire)
	defer cancel()

	// Special context for NetLockers - do not use timeouts.
	// Also, pass the trace context info if found for debugging
	netLockCtx := context.Background()
	tc, ok := ctx.Value(mcontext.ContextTraceKey).(*mcontext.TraceCtxt)
	if ok {
		netLockCtx = context.WithValue(netLockCtx, mcontext.ContextTraceKey, tc)
	}

			// If there is a disconnection before globalNetPerfMinDuration (we give a margin of error of 1 sec)
			// would mean the network is not stable. Logging here will help in debugging network issues.
			if time.Since(connectTime) < (globalNetPerfMinDuration - time.Second) {
				adminLogIf(ctx, err)
			}
		}
		if err != nil {
			if errors.Is(err, io.EOF) {

	for {
		n, err := io.CopyN(xioutil.Discard, r.Body, 128*humanize.KiByte)
		if err != nil && err != io.EOF && err != io.ErrUnexpectedEOF {
			// would mean the network is not stable. Logging here will help in debugging network issues.
			if time.Since(connectTime) < (globalNetPerfMinDuration - time.Second) {
				adminLogIf(ctx, err)
			}
		}
		totalRx += n