apiVersion: release-notes/v2
kind: feature
area: telemetry
issue:
  - 50808
releaseNotes:
  - |

apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
spec:
  profile: empty
  values:
    global:
      proxy:
        tracer: none
  components:
    pilot:

			switch ev.Kind() {
			case trace.EventLabel:
				ev.Label()
			case trace.EventLog:
				ev.Log()
			case trace.EventMetric:
				ev.Metric()
			case trace.EventRangeActive, trace.EventRangeBegin:
				ev.Range()
			case trace.EventRangeEnd:
				ev.Range()
				ev.RangeAttributes()
			case trace.EventStateTransition:
				ev.StateTransition()
			case trace.EventRegionBegin, trace.EventRegionEnd:
				ev.Region()

					c.Tracing = &meshconfig.Tracing{
						Tracer: &meshconfig.Tracing_Zipkin_{
							Zipkin: &meshconfig.Tracing_Zipkin{
								Address: "$(HOST_IP):9411",
							},
						},
					}
				},
			),
			isValid: true,
		},
		{
			name: "zipkin config invalid",
			in: modify(valid,
				func(c *meshconfig.ProxyConfig) {
					c.Tracing = &meshconfig.Tracing{
						Tracer: &meshconfig.Tracing_Zipkin_{

	if err != nil {
		return nil, err
	}
	traces, err := extractTraces(body)
	if err != nil {
		return nil, err
	}
	return traces, nil
}

// Close implements io.Closer.
func (c *kubeComponent) Close() error {
	if c.forwarder != nil {
		c.forwarder.Close()
	}
	return nil
}

func extractTraces(resp []byte) ([]Trace, error) {
	var traceObjs []any

	}
	return nil
}

func VerifyEchoTraces(t framework.TestContext, namespace, clName string, traces []zipkin.Trace) bool {
	t.Helper()
	wtr := WantTraceRoot(namespace, clName)
	for _, trace := range traces {
		// compare each candidate trace with the wanted trace
		for _, s := range trace.Spans {
			// find the root span of candidate trace and do recursive comparison
			if s.ParentSpanID == "" && CompareTrace(t, s, wtr) {
				return true

apiVersion: release-notes/v2
kind: feature
area: telemetry

issue:
- 42080
releaseNotes:
- |

	}

	if tracer := config.GetTracing().GetLightstep(); tracer != nil {
		if err := ValidateLightstepCollector(tracer); err != nil {
			errs = multierror.Append(errs, multierror.Prefix(err, "invalid lightstep config:"))
		}
	}

	if tracer := config.GetTracing().GetZipkin(); tracer != nil {
		if err := ValidateZipkinCollector(tracer); err != nil {

apiVersion: release-notes/v2
kind: bug-fix
area: telemetry
issue:
  - 27911
releaseNotes:
  - |

func (wk *worker) drainRetiringTrackers() {
	// cleanup any trackers that were in the process
	// of being retired, but didn't get processed due
	// to termination
	for {
		select {
		case ft := <-wk.retireTrackerCh:
			retireTracker(ft)
		default:
			return
		}
	}
}

// make a local copy of the set of trackers to avoid contention with callers
// used only by the worker goroutine