# don't match, the mock won't fire, an E500 will be triggered
        # and the test will fail.
        expected_headers = {
            'x-request-id': '34eeb41d-d267-9e49-8b84-dde403fc5b72',
            'x-b3-traceid': '80f198ee56343ba864fe8b2a57d3eff7',
            'x-b3-spanid': 'e457b5a2e4d86bd1',
            'x-b3-sampled': '1',
            'sw8': '40c7fdf104e3de67'
        }

apiVersion: release-notes/v2
kind: bug-fix
area: telemetry
issue:
  - 49911
releaseNotes:
  - |

      # Grpc binary trace context. Compatible with OpenCensusAgent nad
      # Stackdriver Istio configurations.
      'grpc-trace-bin',

      # b3 trace headers. Compatible with Zipkin, OpenCensusAgent, and
      # Stackdriver Istio configurations.
      'x-b3-traceid',
      'x-b3-spanid',
      'x-b3-parentspanid',
      'x-b3-sampled',
      'x-b3-flags',

      # SkyWalking trace headers.

		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)

	f.sb.Reset()
	return err
}

func (t *tracer) Close() error {
	f := <-t.file
	defer func() { t.file <- f }()

	_, firstErr := f.f.WriteString("]")
	if err := f.f.Close(); firstErr == nil {
		firstErr = err
	}
	return firstErr
}

func (t *tracer) getNextTID() uint64 {
	return t.nextTID.Add(1)
}

func (t *tracer) getNextFlowID() uint64 {
	return t.nextFlowID.Add(1)
}

	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)

    "global.tracer.lightstep.address" "meshConfig.defaultConfig.tracing.lightstep.address"
    "global.tracer.lightstep.accessToken" "meshConfig.defaultConfig.tracing.lightstep.accessToken"
    "global.tracer.zipkin.address" "meshConfig.defaultConfig.tracing.zipkin.address"
    "global.tracer.stackdriver.debug" "meshConfig.defaultConfig.tracing.stackdriver.debug"

	semconv "go.opentelemetry.io/otel/semconv/v1.17.0"
	"go.opentelemetry.io/otel/trace"
	"k8s.io/apiserver/pkg/endpoints/request"

	tracing "k8s.io/component-base/tracing"
)

// WithTracing adds tracing to requests if the incoming request is sampled
func WithTracing(handler http.Handler, tp trace.TracerProvider) http.Handler {
	opts := []otelhttp.Option{
		otelhttp.WithPropagators(tracing.Propagators()),

	"os"
	"regexp"
	"strings"

	"internal/trace"
	"internal/trace/event"
	"internal/trace/event/go122"
	"internal/trace/raw"
	"internal/trace/version"
	"internal/txtar"
)

func Main(f func(*Trace)) {
	// Create an output file.
	out, err := os.Create(os.Args[1])
	if err != nil {
		panic(err.Error())
	}
	defer out.Close()

	// Create a new trace.
	trace := NewTrace()

	// Call the generator.

		print("runtime: goid=", goid, "\n")
		throw("attempted to trace a bad status for a goroutine")
	}

	// Trace the status.
	if stackID == 0 {
		w = w.event(traceEvGoStatus, traceArg(goid), traceArg(uint64(mid)), traceArg(status))
	} else {
		w = w.event(traceEvGoStatusStack, traceArg(goid), traceArg(uint64(mid)), traceArg(status), traceArg(stackID))
	}

	// Trace any special ranges that are in-progress.
	if markAssist {