time.Sleep(5 * time.Second)
			}
		}
	}()
}

// Trace - send http trace request to peer nodes
func (client *peerRESTClient) Trace(ctx context.Context, traceCh chan<- []byte, traceOpts madmin.ServiceTraceOpts) {
	go func() {
		for {
			// Blocks until context is canceled or an error occurs.
			client.doTrace(ctx, traceCh, traceOpts)
			select {
			case <-ctx.Done():
				return
			default:

		if peer == nil {
			continue
		}
		peer.Trace(ctx, traceCh, traceOpts)
	}

	keepAliveTicker := time.NewTicker(time.Second)
	defer keepAliveTicker.Stop()

	for {
		select {
		case entry := <-traceCh:
			if _, err := w.Write(entry); err != nil {
				return
			}
			grid.PutByteBuffer(entry)
			if len(traceCh) == 0 {
				// Flush if nothing is queued

	v := ctx.Value(TraceParamsKey{})
	// Should match SingleHandler.Call checks.
	switch typed := v.(type) {
	case *MSS:
		trace.Path += typed.ToQuery()
	case map[string]string:
		m := MSS(typed)
		trace.Path += m.ToQuery()
	case *URLValues:
		trace.Path += typed.Values().Encode()
	case *NoPayload, *Bytes:
		trace.Path = fmt.Sprintf("%s?payload=%T", trace.Path, typed)

		h.ServeHTTP(respRecorder, r)
		reqEndTime := time.Now().UTC()

		if globalTrace.NumSubscribers(madmin.TraceS3|madmin.TraceInternal) == 0 {
			// no subscribers nothing to trace.
			return
		}

		tt := madmin.TraceInternal
		if strings.HasPrefix(tc.FuncName, "s3.") {
			tt = madmin.TraceS3
		}

		// Calculate input body size with headers
		reqHeaders := r.Header.Clone()
		reqHeaders.Set("Host", r.Host)

func (S Tracer) Warn(ctx context.Context, s string, i ...interface{}) {
	S.Logger.Warn(ctx, s, i...)
}

func (S Tracer) Error(ctx context.Context, s string, i ...interface{}) {
	S.Logger.Error(ctx, s, i...)
}

func (S Tracer) Trace(ctx context.Context, begin time.Time, fc func() (sql string, rowsAffected int64), err error) {
	S.Logger.Trace(ctx, begin, fc, err)
	S.Test(ctx, begin, fc, err)

# Usage: tracing::extract_prow_trace.
# If running in a prow job, this sets the parent trace to the same value Prow tracing will use, as defined in https://github.com/kubernetes/test-infra/issues/30010
function tracing::extract_prow_trace() {
  if [[ "${PROW_JOB_ID:-}" != "" ]]; then
    local trace
    trace="$(<<< "$PROW_JOB_ID" tr -d '\-')"
    local span
    span="${trace:0:16}"
    export TRACEPARENT="01-${trace}-${span}-00"

      {{- end }}
      {{- if not (eq .Values.global.proxy.tracer "none") }}
      tracing:
      {{- if eq .Values.global.proxy.tracer "lightstep" }}
        lightstep:
          # Address of the LightStep Satellite pool
          address: {{ .Values.global.tracer.lightstep.address }}
          # Access Token used to communicate with the Satellite pool
          accessToken: {{ .Values.global.tracer.lightstep.accessToken }}

      {{- end }}
      {{- if not (eq .Values.global.proxy.tracer "none") }}
      tracing:
      {{- if eq .Values.global.proxy.tracer "lightstep" }}
        lightstep:
          # Address of the LightStep Satellite pool
          address: {{ .Values.global.tracer.lightstep.address }}
          # Access Token used to communicate with the Satellite pool
          accessToken: {{ .Values.global.tracer.lightstep.accessToken }}

		if !strings.HasPrefix(file, "<autogenerated>") &&
			!strings.HasPrefix(funcName, "runtime.") {
			// Form and append a line of stack trace into a
			// collection, 'trace', to build full stack trace
			trace = append(trace, fmt.Sprintf("%v:%v:%v()", file, lineNumber, funcName))

			// Ignore trace logs beyond the following conditions
			for _, name := range matchingFuncNames {

      #        clientCertificate: # example: /etc/istio/tracer/cert-chain.pem
      #        privateKey:        # example: /etc/istio/tracer/key.pem
      #        caCertificates:    # example: /etc/istio/tracer/root-cert.pem
      #        sni:               # example: tracer.somedomain
      #        subjectAltNames: []