"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"

kind: ConfigMap
metadata:
  name: istio-custom-bootstrap-config
  namespace: default
data:
  custom_bootstrap.json: |
    "tracing": {
      "http": {
        "name": "envoy.tracers.zipkin",
        "typed_config": {
          "@type": "type.googleapis.com/envoy.config.trace.v3.ZipkinConfig",
          "collector_cluster": "zipkin",
          "collector_endpoint": "/api/v1/spans/custom",
          "collector_endpoint_version": "HTTP_JSON",

func (c *Connection) traceRequests(p *pubsub.PubSub[madmin.TraceInfo, madmin.TraceType]) {
	c.trace = &tracer{
		Publisher: p,
		TraceType: madmin.TraceInternal,
		Prefix:    "grid",
		Local:     c.Local,
		Remote:    c.Remote,
		Subroute:  "",
	}
}

// subroute adds a specific subroute to the request.
func (c *tracer) subroute(subroute string) *tracer {
	if c == nil {
		return nil
	}
	c2 := *c
	c2.Subroute = subroute

// file (trace.out).
//
//	go test -trace=trace.out
//
// This runtime/trace package provides APIs to add equivalent tracing
// support to a standalone program. See the Example that demonstrates
// how to use this API to enable tracing.
//
// There is also a standard HTTP interface to trace data. Adding the
// following line will install a handler under the /debug/pprof/trace URL
// to download a live trace:

	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)
}

		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 {

func (tl traceLocker) string(s string) traceArg {
	return traceArg(trace.stringTab[tl.gen%2].put(tl.gen, s))
}

// uniqueString returns a traceArg representing s which may be passed to write.
// The string is assumed to be unique or long, so it will be written out to
// the trace eagerly.
func (tl traceLocker) uniqueString(s string) traceArg {
	return traceArg(trace.stringTab[tl.gen%2].emit(tl.gen, s))
}

	"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.

const (
	// instrumentationScope is the name of OpenTelemetry instrumentation scope
	instrumentationScope = "istio.io/istio"
)

func tracer() traceapi.Tracer {
	return otel.Tracer(instrumentationScope)
}

// Initialize starts the tracing provider. This must be called before any traces are created or traces will be discarded.
// Returned is a shutdown function that should be called to ensure graceful shutdown.
func Initialize() (func(), error) {

	if trace == nil {
		panic("nil trace")
	}
	old := ContextClientTrace(ctx)
	trace.compose(old)

	ctx = context.WithValue(ctx, clientEventContextKey{}, trace)
	if trace.hasNetHooks() {
		nt := &nettrace.Trace{
			ConnectStart: trace.ConnectStart,
			ConnectDone:  trace.ConnectDone,
		}
		if trace.DNSStart != nil {
			nt.DNSStart = func(name string) {