feat: kubesphere 4.0 (#6115)

* feat: kubesphere 4.0 Signed-off-by: ci-bot <ci-bot@kubesphere.io> * feat: kubesphere 4.0 Signed-off-by: ci-bot <ci-bot@kubesphere.io> --------- Signed-off-by: ci-bot <ci-bot@kubesphere.io> Co-authored-by: ks-ci-bot <ks-ci-bot@example.com> Co-authored-by: joyceliu <joyceliu@yunify.com>
2024-09-06 11:05:52 +08:00
parent b5015ec7b9
commit 447a51f08b
8557 changed files with 546695 additions and 1146174 deletions
--- a/vendor/go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc/config.go
+++ b/vendor/go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc/config.go
@@ -18,14 +18,15 @@ import (
 	"go.opentelemetry.io/otel"
 	"go.opentelemetry.io/otel/attribute"
 	"go.opentelemetry.io/otel/metric"
+	"go.opentelemetry.io/otel/metric/noop"
 	"go.opentelemetry.io/otel/propagation"
 	semconv "go.opentelemetry.io/otel/semconv/v1.17.0"
 	"go.opentelemetry.io/otel/trace"
 )

 const (
-	// instrumentationName is the name of this instrumentation package.
-	instrumentationName = "go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc"
+	// ScopeName is the instrumentation scope name.
+	ScopeName = "go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc"
 	// GRPCStatusCodeKey is convention for numeric status code of a gRPC request.
 	GRPCStatusCodeKey = attribute.Key("rpc.grpc.status_code")
 )
@@ -46,8 +47,14 @@ type config struct {
 	ReceivedEvent bool
 	SentEvent     bool

-	meter             metric.Meter
-	rpcServerDuration metric.Int64Histogram
+	tracer trace.Tracer
+	meter  metric.Meter
+
+	rpcDuration        metric.Float64Histogram
+	rpcRequestSize     metric.Int64Histogram
+	rpcResponseSize    metric.Int64Histogram
+	rpcRequestsPerRPC  metric.Int64Histogram
+	rpcResponsesPerRPC metric.Int64Histogram
 }

 // Option applies an option value for a config.
@@ -56,7 +63,7 @@ type Option interface {
 }

 // newConfig returns a config configured with all the passed Options.
-func newConfig(opts []Option) *config {
+func newConfig(opts []Option, role string) *config {
 	c := &config{
 		Propagators:    otel.GetTextMapPropagator(),
 		TracerProvider: otel.GetTracerProvider(),
@@ -66,17 +73,66 @@ func newConfig(opts []Option) *config {
 		o.apply(c)
 	}

+	c.tracer = c.TracerProvider.Tracer(
+		ScopeName,
+		trace.WithInstrumentationVersion(SemVersion()),
+	)
+
 	c.meter = c.MeterProvider.Meter(
-		instrumentationName,
+		ScopeName,
 		metric.WithInstrumentationVersion(Version()),
 		metric.WithSchemaURL(semconv.SchemaURL),
 	)
+
 	var err error
-	c.rpcServerDuration, err = c.meter.Int64Histogram("rpc.server.duration",
+	c.rpcDuration, err = c.meter.Float64Histogram("rpc."+role+".duration",
 		metric.WithDescription("Measures the duration of inbound RPC."),
 		metric.WithUnit("ms"))
 	if err != nil {
 		otel.Handle(err)
+		if c.rpcDuration == nil {
+			c.rpcDuration = noop.Float64Histogram{}
+		}
+	}
+
+	c.rpcRequestSize, err = c.meter.Int64Histogram("rpc."+role+".request.size",
+		metric.WithDescription("Measures size of RPC request messages (uncompressed)."),
+		metric.WithUnit("By"))
+	if err != nil {
+		otel.Handle(err)
+		if c.rpcRequestSize == nil {
+			c.rpcRequestSize = noop.Int64Histogram{}
+		}
+	}
+
+	c.rpcResponseSize, err = c.meter.Int64Histogram("rpc."+role+".response.size",
+		metric.WithDescription("Measures size of RPC response messages (uncompressed)."),
+		metric.WithUnit("By"))
+	if err != nil {
+		otel.Handle(err)
+		if c.rpcResponseSize == nil {
+			c.rpcResponseSize = noop.Int64Histogram{}
+		}
+	}
+
+	c.rpcRequestsPerRPC, err = c.meter.Int64Histogram("rpc."+role+".requests_per_rpc",
+		metric.WithDescription("Measures the number of messages received per RPC. Should be 1 for all non-streaming RPCs."),
+		metric.WithUnit("{count}"))
+	if err != nil {
+		otel.Handle(err)
+		if c.rpcRequestsPerRPC == nil {
+			c.rpcRequestsPerRPC = noop.Int64Histogram{}
+		}
+	}
+
+	c.rpcResponsesPerRPC, err = c.meter.Int64Histogram("rpc."+role+".responses_per_rpc",
+		metric.WithDescription("Measures the number of messages received per RPC. Should be 1 for all non-streaming RPCs."),
+		metric.WithUnit("{count}"))
+	if err != nil {
+		otel.Handle(err)
+		if c.rpcResponsesPerRPC == nil {
+			c.rpcResponsesPerRPC = noop.Int64Histogram{}
+		}
 	}

 	return c
@@ -105,6 +161,8 @@ func (o tracerProviderOption) apply(c *config) {
 }

 // WithInterceptorFilter returns an Option to use the request filter.
+//
+// Deprecated: Use stats handlers instead.
 func WithInterceptorFilter(f Filter) Option {
 	return interceptorFilterOption{f: f}
 }
--- a/vendor/go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc/doc.go
+++ b/vendor/go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc/doc.go
@@ -13,33 +13,10 @@
 // limitations under the License.

 /*
-Package otelgrpc is the instrumentation library for [google.golang.org/grpc]
+Package otelgrpc is the instrumentation library for [google.golang.org/grpc].

-For now you can instrument your program which use [google.golang.org/grpc] in two ways:
+Use [NewClientHandler] with [grpc.WithStatsHandler] to instrument a gRPC client.

-  - by [grpc.UnaryClientInterceptor], [grpc.UnaryServerInterceptor], [grpc.StreamClientInterceptor], [grpc.StreamServerInterceptor]
-  - by [stats.Handler]
-
-Notice: Do not use both interceptors and [stats.Handler] at the same time! If so, you will get duplicated spans and the parent/child relationships between spans will also be broken.
-
-We strongly still recommand you to use [stats.Handler], mainly for two reasons:
-
-Functional advantages: [stats.Handler] has more information for user to build more flexible and granular metric, for example
-
-  - multiple different types of represent "data length": In [stats.InPayload], there exists "Length", "CompressedLength", "WireLength" to denote the size of uncompressed, compressed payload data, with or without framing data. But in interceptors, we can only got uncompressed data, and this feature is also removed due to performance problem.
-
-  - more accurate timestamp: [stats.InPayload]'s "RecvTime" and [stats.OutPayload]'s "SentTime" records more accurate timestamp that server got and sent the message, the timestamp recorded by interceptors depends on the location of this interceptors in the total interceptor chain.
-
-  - some other use cases: for example, catch failure of decoding message.
-
-Performance advantages: If too many interceptors are registered in a service, the interceptor chain can become too long, which increases the latency and processing time of the entire RPC call.
-
-[stats.Handler]: https://pkg.go.dev/google.golang.org/grpc/stats#Handler
-[grpc.UnaryClientInterceptor]: https://pkg.go.dev/google.golang.org/grpc#UnaryClientInterceptor
-[grpc.UnaryServerInterceptor]: https://pkg.go.dev/google.golang.org/grpc#UnaryServerInterceptor
-[grpc.StreamClientInterceptor]: https://pkg.go.dev/google.golang.org/grpc#StreamClientInterceptor
-[grpc.StreamServerInterceptor]: https://pkg.go.dev/google.golang.org/grpc#StreamServerInterceptor
-[stats.OutPayload]: https://pkg.go.dev/google.golang.org/grpc/stats#OutPayload
-[stats.InPayload]: https://pkg.go.dev/google.golang.org/grpc/stats#InPayload
+Use [NewServerHandler] with [grpc.StatsHandler] to instrument a gRPC server.
 */
 package otelgrpc // import "go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc"
--- a/vendor/go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc/interceptor.go
+++ b/vendor/go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc/interceptor.go
@@ -60,10 +60,12 @@ var (

 // UnaryClientInterceptor returns a grpc.UnaryClientInterceptor suitable
 // for use in a grpc.Dial call.
+//
+// Deprecated: Use [NewClientHandler] instead.
 func UnaryClientInterceptor(opts ...Option) grpc.UnaryClientInterceptor {
-	cfg := newConfig(opts)
+	cfg := newConfig(opts, "client")
 	tracer := cfg.TracerProvider.Tracer(
-		instrumentationName,
+		ScopeName,
 		trace.WithInstrumentationVersion(Version()),
 	)

@@ -83,11 +85,12 @@ func UnaryClientInterceptor(opts ...Option) grpc.UnaryClientInterceptor {
 			return invoker(ctx, method, req, reply, cc, callOpts...)
 		}

-		name, attr := spanInfo(method, cc.Target())
+		name, attr, _ := telemetryAttributes(method, cc.Target())

 		startOpts := append([]trace.SpanStartOption{
 			trace.WithSpanKind(trace.SpanKindClient),
-			trace.WithAttributes(attr...)},
+			trace.WithAttributes(attr...),
+		},
 			cfg.SpanStartOptions...,
 		)

@@ -122,27 +125,13 @@ func UnaryClientInterceptor(opts ...Option) grpc.UnaryClientInterceptor {
 	}
 }

-type streamEventType int
-
-type streamEvent struct {
-	Type streamEventType
-	Err  error
-}
-
-const (
-	receiveEndEvent streamEventType = iota
-	errorEvent
-)
-
 // clientStream  wraps around the embedded grpc.ClientStream, and intercepts the RecvMsg and
 // SendMsg method call.
 type clientStream struct {
 	grpc.ClientStream
+	desc *grpc.StreamDesc

-	desc       *grpc.StreamDesc
-	events     chan streamEvent
-	eventsDone chan struct{}
-	finished   chan error
+	span trace.Span

 	receivedEvent bool
 	sentEvent     bool
@@ -157,11 +146,11 @@ func (w *clientStream) RecvMsg(m interface{}) error {
 	err := w.ClientStream.RecvMsg(m)

 	if err == nil && !w.desc.ServerStreams {
-		w.sendStreamEvent(receiveEndEvent, nil)
+		w.endSpan(nil)
 	} else if err == io.EOF {
-		w.sendStreamEvent(receiveEndEvent, nil)
+		w.endSpan(nil)
 	} else if err != nil {
-		w.sendStreamEvent(errorEvent, err)
+		w.endSpan(err)
 	} else {
 		w.receivedMessageID++

@@ -183,7 +172,7 @@ func (w *clientStream) SendMsg(m interface{}) error {
 	}

 	if err != nil {
-		w.sendStreamEvent(errorEvent, err)
+		w.endSpan(err)
 	}

 	return err
@@ -191,9 +180,8 @@ func (w *clientStream) SendMsg(m interface{}) error {

 func (w *clientStream) Header() (metadata.MD, error) {
 	md, err := w.ClientStream.Header()
-
 	if err != nil {
-		w.sendStreamEvent(errorEvent, err)
+		w.endSpan(err)
 	}

 	return md, err
@@ -201,64 +189,43 @@ func (w *clientStream) Header() (metadata.MD, error) {

 func (w *clientStream) CloseSend() error {
 	err := w.ClientStream.CloseSend()
-
 	if err != nil {
-		w.sendStreamEvent(errorEvent, err)
+		w.endSpan(err)
 	}

 	return err
 }

-func wrapClientStream(ctx context.Context, s grpc.ClientStream, desc *grpc.StreamDesc, cfg *config) *clientStream {
-	events := make(chan streamEvent)
-	eventsDone := make(chan struct{})
-	finished := make(chan error)
-
-	go func() {
-		defer close(eventsDone)
-
-		for {
-			select {
-			case event := <-events:
-				switch event.Type {
-				case receiveEndEvent:
-					finished <- nil
-					return
-				case errorEvent:
-					finished <- event.Err
-					return
-				}
-			case <-ctx.Done():
-				finished <- ctx.Err()
-				return
-			}
-		}
-	}()
-
+func wrapClientStream(ctx context.Context, s grpc.ClientStream, desc *grpc.StreamDesc, span trace.Span, cfg *config) *clientStream {
 	return &clientStream{
 		ClientStream:  s,
+		span:          span,
 		desc:          desc,
-		events:        events,
-		eventsDone:    eventsDone,
-		finished:      finished,
 		receivedEvent: cfg.ReceivedEvent,
 		sentEvent:     cfg.SentEvent,
 	}
 }

-func (w *clientStream) sendStreamEvent(eventType streamEventType, err error) {
-	select {
-	case <-w.eventsDone:
-	case w.events <- streamEvent{Type: eventType, Err: err}:
+func (w *clientStream) endSpan(err error) {
+	if err != nil {
+		s, _ := status.FromError(err)
+		w.span.SetStatus(codes.Error, s.Message())
+		w.span.SetAttributes(statusCodeAttr(s.Code()))
+	} else {
+		w.span.SetAttributes(statusCodeAttr(grpc_codes.OK))
 	}
+
+	w.span.End()
 }

 // StreamClientInterceptor returns a grpc.StreamClientInterceptor suitable
 // for use in a grpc.Dial call.
+//
+// Deprecated: Use [NewClientHandler] instead.
 func StreamClientInterceptor(opts ...Option) grpc.StreamClientInterceptor {
-	cfg := newConfig(opts)
+	cfg := newConfig(opts, "client")
 	tracer := cfg.TracerProvider.Tracer(
-		instrumentationName,
+		ScopeName,
 		trace.WithInstrumentationVersion(Version()),
 	)

@@ -278,11 +245,12 @@ func StreamClientInterceptor(opts ...Option) grpc.StreamClientInterceptor {
 			return streamer(ctx, desc, cc, method, callOpts...)
 		}

-		name, attr := spanInfo(method, cc.Target())
+		name, attr, _ := telemetryAttributes(method, cc.Target())

 		startOpts := append([]trace.SpanStartOption{
 			trace.WithSpanKind(trace.SpanKindClient),
-			trace.WithAttributes(attr...)},
+			trace.WithAttributes(attr...),
+		},
 			cfg.SpanStartOptions...,
 		)

@@ -302,32 +270,19 @@ func StreamClientInterceptor(opts ...Option) grpc.StreamClientInterceptor {
 			span.End()
 			return s, err
 		}
-		stream := wrapClientStream(ctx, s, desc, cfg)
-
-		go func() {
-			err := <-stream.finished
-
-			if err != nil {
-				s, _ := status.FromError(err)
-				span.SetStatus(codes.Error, s.Message())
-				span.SetAttributes(statusCodeAttr(s.Code()))
-			} else {
-				span.SetAttributes(statusCodeAttr(grpc_codes.OK))
-			}
-
-			span.End()
-		}()
-
+		stream := wrapClientStream(ctx, s, desc, span, cfg)
 		return stream, nil
 	}
 }

 // UnaryServerInterceptor returns a grpc.UnaryServerInterceptor suitable
 // for use in a grpc.NewServer call.
+//
+// Deprecated: Use [NewServerHandler] instead.
 func UnaryServerInterceptor(opts ...Option) grpc.UnaryServerInterceptor {
-	cfg := newConfig(opts)
+	cfg := newConfig(opts, "server")
 	tracer := cfg.TracerProvider.Tracer(
-		instrumentationName,
+		ScopeName,
 		trace.WithInstrumentationVersion(Version()),
 	)

@@ -346,11 +301,12 @@ func UnaryServerInterceptor(opts ...Option) grpc.UnaryServerInterceptor {
 		}

 		ctx = extract(ctx, cfg.Propagators)
-		name, attr := spanInfo(info.FullMethod, peerFromCtx(ctx))
+		name, attr, metricAttrs := telemetryAttributes(info.FullMethod, peerFromCtx(ctx))

 		startOpts := append([]trace.SpanStartOption{
 			trace.WithSpanKind(trace.SpanKindServer),
-			trace.WithAttributes(attr...)},
+			trace.WithAttributes(attr...),
+		},
 			cfg.SpanStartOptions...,
 		)

@@ -365,30 +321,30 @@ func UnaryServerInterceptor(opts ...Option) grpc.UnaryServerInterceptor {
 			messageReceived.Event(ctx, 1, req)
 		}

-		var statusCode grpc_codes.Code
-		defer func(t time.Time) {
-			elapsedTime := time.Since(t) / time.Millisecond
-			attr = append(attr, semconv.RPCGRPCStatusCodeKey.Int64(int64(statusCode)))
-			o := metric.WithAttributes(attr...)
-			cfg.rpcServerDuration.Record(ctx, int64(elapsedTime), o)
-		}(time.Now())
+		before := time.Now()

 		resp, err := handler(ctx, req)
+
+		s, _ := status.FromError(err)
 		if err != nil {
-			s, _ := status.FromError(err)
 			statusCode, msg := serverStatus(s)
 			span.SetStatus(statusCode, msg)
-			span.SetAttributes(statusCodeAttr(s.Code()))
 			if cfg.SentEvent {
 				messageSent.Event(ctx, 1, s.Proto())
 			}
 		} else {
-			statusCode = grpc_codes.OK
-			span.SetAttributes(statusCodeAttr(grpc_codes.OK))
 			if cfg.SentEvent {
 				messageSent.Event(ctx, 1, resp)
 			}
 		}
+		grpcStatusCodeAttr := statusCodeAttr(s.Code())
+		span.SetAttributes(grpcStatusCodeAttr)
+
+		// Use floating point division here for higher precision (instead of Millisecond method).
+		elapsedTime := float64(time.Since(before)) / float64(time.Millisecond)
+
+		metricAttrs = append(metricAttrs, grpcStatusCodeAttr)
+		cfg.rpcDuration.Record(ctx, elapsedTime, metric.WithAttributes(metricAttrs...))

 		return resp, err
 	}
@@ -446,10 +402,12 @@ func wrapServerStream(ctx context.Context, ss grpc.ServerStream, cfg *config) *s

 // StreamServerInterceptor returns a grpc.StreamServerInterceptor suitable
 // for use in a grpc.NewServer call.
+//
+// Deprecated: Use [NewServerHandler] instead.
 func StreamServerInterceptor(opts ...Option) grpc.StreamServerInterceptor {
-	cfg := newConfig(opts)
+	cfg := newConfig(opts, "server")
 	tracer := cfg.TracerProvider.Tracer(
-		instrumentationName,
+		ScopeName,
 		trace.WithInstrumentationVersion(Version()),
 	)

@@ -469,11 +427,12 @@ func StreamServerInterceptor(opts ...Option) grpc.StreamServerInterceptor {
 		}

 		ctx = extract(ctx, cfg.Propagators)
-		name, attr := spanInfo(info.FullMethod, peerFromCtx(ctx))
+		name, attr, _ := telemetryAttributes(info.FullMethod, peerFromCtx(ctx))

 		startOpts := append([]trace.SpanStartOption{
 			trace.WithSpanKind(trace.SpanKindServer),
-			trace.WithAttributes(attr...)},
+			trace.WithAttributes(attr...),
+		},
 			cfg.SpanStartOptions...,
 		)

@@ -498,17 +457,18 @@ func StreamServerInterceptor(opts ...Option) grpc.StreamServerInterceptor {
 	}
 }

-// spanInfo returns a span name and all appropriate attributes from the gRPC
-// method and peer address.
-func spanInfo(fullMethod, peerAddress string) (string, []attribute.KeyValue) {
-	name, mAttrs := internal.ParseFullMethod(fullMethod)
+// telemetryAttributes returns a span name and span and metric attributes from
+// the gRPC method and peer address.
+func telemetryAttributes(fullMethod, peerAddress string) (string, []attribute.KeyValue, []attribute.KeyValue) {
+	name, methodAttrs := internal.ParseFullMethod(fullMethod)
 	peerAttrs := peerAttr(peerAddress)

-	attrs := make([]attribute.KeyValue, 0, 1+len(mAttrs)+len(peerAttrs))
+	attrs := make([]attribute.KeyValue, 0, 1+len(methodAttrs)+len(peerAttrs))
 	attrs = append(attrs, RPCSystemGRPC)
-	attrs = append(attrs, mAttrs...)
+	attrs = append(attrs, methodAttrs...)
+	metricAttrs := attrs[:1+len(methodAttrs)]
 	attrs = append(attrs, peerAttrs...)
-	return name, attrs
+	return name, attrs, metricAttrs
 }

 // peerAttr returns attributes about the peer address.
--- a/vendor/go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc/metadata_supplier.go
+++ b/vendor/go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc/metadata_supplier.go
@@ -56,7 +56,7 @@ func (s *metadataSupplier) Keys() []string {
 // requests.
 // Deprecated: Unnecessary public func.
 func Inject(ctx context.Context, md *metadata.MD, opts ...Option) {
-	c := newConfig(opts)
+	c := newConfig(opts, "")
 	c.Propagators.Inject(ctx, &metadataSupplier{
 		metadata: md,
 	})
@@ -78,7 +78,7 @@ func inject(ctx context.Context, propagators propagation.TextMapPropagator) cont
 // This function is meant to be used on incoming requests.
 // Deprecated: Unnecessary public func.
 func Extract(ctx context.Context, md *metadata.MD, opts ...Option) (baggage.Baggage, trace.SpanContext) {
-	c := newConfig(opts)
+	c := newConfig(opts, "")
 	ctx = c.Propagators.Extract(ctx, &metadataSupplier{
 		metadata: md,
 	})
--- a/vendor/go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc/stats_handler.go
+++ b/vendor/go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc/stats_handler.go
@@ -17,13 +17,17 @@ package otelgrpc // import "go.opentelemetry.io/contrib/instrumentation/google.g
 import (
 	"context"
 	"sync/atomic"
+	"time"

 	grpc_codes "google.golang.org/grpc/codes"
+	"google.golang.org/grpc/peer"
 	"google.golang.org/grpc/stats"
 	"google.golang.org/grpc/status"

 	"go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc/internal"
+	"go.opentelemetry.io/otel/attribute"
 	"go.opentelemetry.io/otel/codes"
+	"go.opentelemetry.io/otel/metric"
 	semconv "go.opentelemetry.io/otel/semconv/v1.17.0"
 	"go.opentelemetry.io/otel/trace"
 )
@@ -33,24 +37,29 @@ type gRPCContextKey struct{}
 type gRPCContext struct {
 	messagesReceived int64
 	messagesSent     int64
-}
-
-// NewServerHandler creates a stats.Handler for gRPC server.
-func NewServerHandler(opts ...Option) stats.Handler {
-	h := &serverHandler{
-		config: newConfig(opts),
-	}
-
-	h.tracer = h.config.TracerProvider.Tracer(
-		instrumentationName,
-		trace.WithInstrumentationVersion(SemVersion()),
-	)
-	return h
+	metricAttrs      []attribute.KeyValue
 }

 type serverHandler struct {
 	*config
-	tracer trace.Tracer
+}
+
+// NewServerHandler creates a stats.Handler for a gRPC server.
+func NewServerHandler(opts ...Option) stats.Handler {
+	h := &serverHandler{
+		config: newConfig(opts, "server"),
+	}
+
+	return h
+}
+
+// TagConn can attach some information to the given context.
+func (h *serverHandler) TagConn(ctx context.Context, info *stats.ConnTagInfo) context.Context {
+	return ctx
+}
+
+// HandleConn processes the Conn stats.
+func (h *serverHandler) HandleConn(ctx context.Context, info stats.ConnStats) {
 }

 // TagRPC can attach some information to the given context.
@@ -66,44 +75,29 @@ func (h *serverHandler) TagRPC(ctx context.Context, info *stats.RPCTagInfo) cont
 		trace.WithAttributes(attrs...),
 	)

-	gctx := gRPCContext{}
+	gctx := gRPCContext{
+		metricAttrs: attrs,
+	}
 	return context.WithValue(ctx, gRPCContextKey{}, &gctx)
 }

 // HandleRPC processes the RPC stats.
 func (h *serverHandler) HandleRPC(ctx context.Context, rs stats.RPCStats) {
-	handleRPC(ctx, rs)
-}
-
-// TagConn can attach some information to the given context.
-func (h *serverHandler) TagConn(ctx context.Context, info *stats.ConnTagInfo) context.Context {
-	span := trace.SpanFromContext(ctx)
-	attrs := peerAttr(peerFromCtx(ctx))
-	span.SetAttributes(attrs...)
-	return ctx
-}
-
-// HandleConn processes the Conn stats.
-func (h *serverHandler) HandleConn(ctx context.Context, info stats.ConnStats) {
-}
-
-// NewClientHandler creates a stats.Handler for gRPC client.
-func NewClientHandler(opts ...Option) stats.Handler {
-	h := &clientHandler{
-		config: newConfig(opts),
-	}
-
-	h.tracer = h.config.TracerProvider.Tracer(
-		instrumentationName,
-		trace.WithInstrumentationVersion(SemVersion()),
-	)
-
-	return h
+	isServer := true
+	h.handleRPC(ctx, rs, isServer)
 }

 type clientHandler struct {
 	*config
-	tracer trace.Tracer
+}
+
+// NewClientHandler creates a stats.Handler for a gRPC client.
+func NewClientHandler(opts ...Option) stats.Handler {
+	h := &clientHandler{
+		config: newConfig(opts, "client"),
+	}
+
+	return h
 }

 // TagRPC can attach some information to the given context.
@@ -117,21 +111,21 @@ func (h *clientHandler) TagRPC(ctx context.Context, info *stats.RPCTagInfo) cont
 		trace.WithAttributes(attrs...),
 	)

-	gctx := gRPCContext{}
+	gctx := gRPCContext{
+		metricAttrs: attrs,
+	}

 	return inject(context.WithValue(ctx, gRPCContextKey{}, &gctx), h.config.Propagators)
 }

 // HandleRPC processes the RPC stats.
 func (h *clientHandler) HandleRPC(ctx context.Context, rs stats.RPCStats) {
-	handleRPC(ctx, rs)
+	isServer := false
+	h.handleRPC(ctx, rs, isServer)
 }

 // TagConn can attach some information to the given context.
-func (h *clientHandler) TagConn(ctx context.Context, cti *stats.ConnTagInfo) context.Context {
-	span := trace.SpanFromContext(ctx)
-	attrs := peerAttr(cti.RemoteAddr.String())
-	span.SetAttributes(attrs...)
+func (h *clientHandler) TagConn(ctx context.Context, info *stats.ConnTagInfo) context.Context {
 	return ctx
 }

@@ -140,47 +134,84 @@ func (h *clientHandler) HandleConn(context.Context, stats.ConnStats) {
 	// no-op
 }

-func handleRPC(ctx context.Context, rs stats.RPCStats) {
+func (c *config) handleRPC(ctx context.Context, rs stats.RPCStats, isServer bool) { // nolint: revive  // isServer is not a control flag.
 	span := trace.SpanFromContext(ctx)
-	gctx, _ := ctx.Value(gRPCContextKey{}).(*gRPCContext)
+	var metricAttrs []attribute.KeyValue
 	var messageId int64

+	gctx, _ := ctx.Value(gRPCContextKey{}).(*gRPCContext)
+	if gctx != nil {
+		metricAttrs = make([]attribute.KeyValue, 0, len(gctx.metricAttrs)+1)
+		metricAttrs = append(metricAttrs, gctx.metricAttrs...)
+	}
+
 	switch rs := rs.(type) {
 	case *stats.Begin:
 	case *stats.InPayload:
 		if gctx != nil {
 			messageId = atomic.AddInt64(&gctx.messagesReceived, 1)
+			c.rpcRequestSize.Record(ctx, int64(rs.Length), metric.WithAttributes(metricAttrs...))
+		}
+
+		if c.ReceivedEvent {
+			span.AddEvent("message",
+				trace.WithAttributes(
+					semconv.MessageTypeReceived,
+					semconv.MessageIDKey.Int64(messageId),
+					semconv.MessageCompressedSizeKey.Int(rs.CompressedLength),
+					semconv.MessageUncompressedSizeKey.Int(rs.Length),
+				),
+			)
 		}
-		span.AddEvent("message",
-			trace.WithAttributes(
-				semconv.MessageTypeReceived,
-				semconv.MessageIDKey.Int64(messageId),
-				semconv.MessageCompressedSizeKey.Int(rs.CompressedLength),
-				semconv.MessageUncompressedSizeKey.Int(rs.Length),
-			),
-		)
 	case *stats.OutPayload:
 		if gctx != nil {
 			messageId = atomic.AddInt64(&gctx.messagesSent, 1)
+			c.rpcResponseSize.Record(ctx, int64(rs.Length), metric.WithAttributes(metricAttrs...))
 		}

-		span.AddEvent("message",
-			trace.WithAttributes(
-				semconv.MessageTypeSent,
-				semconv.MessageIDKey.Int64(messageId),
-				semconv.MessageCompressedSizeKey.Int(rs.CompressedLength),
-				semconv.MessageUncompressedSizeKey.Int(rs.Length),
-			),
-		)
+		if c.SentEvent {
+			span.AddEvent("message",
+				trace.WithAttributes(
+					semconv.MessageTypeSent,
+					semconv.MessageIDKey.Int64(messageId),
+					semconv.MessageCompressedSizeKey.Int(rs.CompressedLength),
+					semconv.MessageUncompressedSizeKey.Int(rs.Length),
+				),
+			)
+		}
+	case *stats.OutTrailer:
+	case *stats.OutHeader:
+		if p, ok := peer.FromContext(ctx); ok {
+			span.SetAttributes(peerAttr(p.Addr.String())...)
+		}
 	case *stats.End:
+		var rpcStatusAttr attribute.KeyValue
+
 		if rs.Error != nil {
 			s, _ := status.FromError(rs.Error)
-			span.SetStatus(codes.Error, s.Message())
-			span.SetAttributes(statusCodeAttr(s.Code()))
+			if isServer {
+				statusCode, msg := serverStatus(s)
+				span.SetStatus(statusCode, msg)
+			} else {
+				span.SetStatus(codes.Error, s.Message())
+			}
+			rpcStatusAttr = semconv.RPCGRPCStatusCodeKey.Int(int(s.Code()))
 		} else {
-			span.SetAttributes(statusCodeAttr(grpc_codes.OK))
+			rpcStatusAttr = semconv.RPCGRPCStatusCodeKey.Int(int(grpc_codes.OK))
 		}
+		span.SetAttributes(rpcStatusAttr)
 		span.End()
+
+		metricAttrs = append(metricAttrs, rpcStatusAttr)
+
+		// Use floating point division here for higher precision (instead of Millisecond method).
+		elapsedTime := float64(rs.EndTime.Sub(rs.BeginTime)) / float64(time.Millisecond)
+
+		c.rpcDuration.Record(ctx, elapsedTime, metric.WithAttributes(metricAttrs...))
+		if gctx != nil {
+			c.rpcRequestsPerRPC.Record(ctx, atomic.LoadInt64(&gctx.messagesReceived), metric.WithAttributes(metricAttrs...))
+			c.rpcResponsesPerRPC.Record(ctx, atomic.LoadInt64(&gctx.messagesSent), metric.WithAttributes(metricAttrs...))
+		}
 	default:
 		return
 	}
--- a/vendor/go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc/version.go
+++ b/vendor/go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc/version.go
@@ -16,7 +16,7 @@ package otelgrpc // import "go.opentelemetry.io/contrib/instrumentation/google.g

 // Version is the current release version of the gRPC instrumentation.
 func Version() string {
-	return "0.45.0"
+	return "0.48.0"
 	// This string is updated by the pre_release.sh script during release
 }

--- a/vendor/go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp/common.go
+++ b/vendor/go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp/common.go
@@ -34,7 +34,7 @@ const (
 	RequestCount          = "http.server.request_count"           // Incoming request count total
 	RequestContentLength  = "http.server.request_content_length"  // Incoming request bytes total
 	ResponseContentLength = "http.server.response_content_length" // Incoming response bytes total
-	ServerLatency         = "http.server.duration"                // Incoming end to end duration, microseconds
+	ServerLatency         = "http.server.duration"                // Incoming end to end duration, milliseconds
 )

 // Filter is a predicate used to determine whether a given http.request should
@@ -42,5 +42,5 @@ const (
 type Filter func(*http.Request) bool

 func newTracer(tp trace.TracerProvider) trace.Tracer {
-	return tp.Tracer(instrumentationName, trace.WithInstrumentationVersion(Version()))
+	return tp.Tracer(ScopeName, trace.WithInstrumentationVersion(Version()))
 }
--- a/vendor/go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp/config.go
+++ b/vendor/go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp/config.go
@@ -25,9 +25,8 @@ import (
 	"go.opentelemetry.io/otel/trace"
 )

-const (
-	instrumentationName = "go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp"
-)
+// ScopeName is the instrumentation scope name.
+const ScopeName = "go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp"

 // config represents the configuration options available for the http.Handler
 // and http.Transport types.
@@ -76,7 +75,7 @@ func newConfig(opts ...Option) *config {
 	}

 	c.Meter = c.MeterProvider.Meter(
-		instrumentationName,
+		ScopeName,
 		metric.WithInstrumentationVersion(Version()),
 	)

--- a/vendor/go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp/handler.go
+++ b/vendor/go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp/handler.go
@@ -107,13 +107,25 @@ func (h *middleware) createMeasures() {
 	h.counters = make(map[string]metric.Int64Counter)
 	h.valueRecorders = make(map[string]metric.Float64Histogram)

-	requestBytesCounter, err := h.meter.Int64Counter(RequestContentLength)
+	requestBytesCounter, err := h.meter.Int64Counter(
+		RequestContentLength,
+		metric.WithUnit("By"),
+		metric.WithDescription("Measures the size of HTTP request content length (uncompressed)"),
+	)
 	handleErr(err)

-	responseBytesCounter, err := h.meter.Int64Counter(ResponseContentLength)
+	responseBytesCounter, err := h.meter.Int64Counter(
+		ResponseContentLength,
+		metric.WithUnit("By"),
+		metric.WithDescription("Measures the size of HTTP response content length (uncompressed)"),
+	)
 	handleErr(err)

-	serverLatencyMeasure, err := h.meter.Float64Histogram(ServerLatency)
+	serverLatencyMeasure, err := h.meter.Float64Histogram(
+		ServerLatency,
+		metric.WithUnit("ms"),
+		metric.WithDescription("Measures the duration of HTTP request handling"),
+	)
 	handleErr(err)

 	h.counters[RequestContentLength] = requestBytesCounter
--- a/vendor/go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp/version.go
+++ b/vendor/go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp/version.go
@@ -16,7 +16,7 @@ package otelhttp // import "go.opentelemetry.io/contrib/instrumentation/net/http

 // Version is the current release version of the otelhttp instrumentation.
 func Version() string {
-	return "0.45.0"
+	return "0.46.1"
 	// This string is updated by the pre_release.sh script during release
 }

--- a/vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/README.md
+++ b/vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/README.md
@@ -1,51 +0,0 @@
-# OpenTelemetry-Go OTLP Span Exporter
-
-[![Go Reference](https://pkg.go.dev/badge/go.opentelemetry.io/otel/exporters/otlp/otlptrace.svg)](https://pkg.go.dev/go.opentelemetry.io/otel/exporters/otlp/otlptrace)
-
-[OpenTelemetry Protocol Exporter](https://github.com/open-telemetry/opentelemetry-specification/blob/v1.20.0/specification/protocol/exporter.md) implementation.
-
-## Installation
-
-```
-go get -u go.opentelemetry.io/otel/exporters/otlp/otlptrace
-```
-
-## Examples
-
- [HTTP Exporter setup and examples](./otlptracehttp/example_test.go)
- [Full example of gRPC Exporter sending telemetry to a local collector](../../../example/otel-collector)
-
-## [`otlptrace`](https://pkg.go.dev/go.opentelemetry.io/otel/exporters/otlp/otlptrace)
-
-The `otlptrace` package provides an exporter implementing the OTel span exporter interface.
-This exporter is configured using a client satisfying the `otlptrace.Client` interface.
-This client handles the transformation of data into wire format and the transmission of that data to the collector.
-
-## [`otlptracegrpc`](https://pkg.go.dev/go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc)
-
-The `otlptracegrpc` package implements a client for the span exporter that sends trace telemetry data to the collector using gRPC with protobuf-encoded payloads.
-
-## [`otlptracehttp`](https://pkg.go.dev/go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp)
-
-The `otlptracehttp` package implements a client for the span exporter that sends trace telemetry data to the collector using HTTP with protobuf-encoded payloads.
-
-## Configuration
-
-### Environment Variables
-
-The following environment variables can be used (instead of options objects) to
-override the default configuration. For more information about how each of
-these environment variables is interpreted, see [the OpenTelemetry
-specification](https://github.com/open-telemetry/opentelemetry-specification/blob/v1.20.0/specification/protocol/exporter.md).
-
-| Environment variable                                                     | Option                        | Default value                                            |
-| ------------------------------------------------------------------------ |------------------------------ | -------------------------------------------------------- |
-| `OTEL_EXPORTER_OTLP_ENDPOINT` `OTEL_EXPORTER_OTLP_TRACES_ENDPOINT`       | `WithEndpoint` `WithInsecure` | `https://localhost:4317` or `https://localhost:4318`[^1] |
-| `OTEL_EXPORTER_OTLP_CERTIFICATE` `OTEL_EXPORTER_OTLP_TRACES_CERTIFICATE` | `WithTLSClientConfig`         |                                                          |
-| `OTEL_EXPORTER_OTLP_HEADERS` `OTEL_EXPORTER_OTLP_TRACES_HEADERS`         | `WithHeaders`                 |                                                          |
-| `OTEL_EXPORTER_OTLP_COMPRESSION` `OTEL_EXPORTER_OTLP_TRACES_COMPRESSION` | `WithCompression`             |                                                          |
-| `OTEL_EXPORTER_OTLP_TIMEOUT` `OTEL_EXPORTER_OTLP_TRACES_TIMEOUT`         | `WithTimeout`                 | `10s`                                                    |
-
-[^1]: The gRPC client defaults to `https://localhost:4317` and the HTTP client `https://localhost:4318`.
-
-Configuration using options have precedence over the environment variables.
--- a/vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/doc.go
+++ b/vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/doc.go
@@ -0,0 +1,21 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+/*
+Package otlptrace contains abstractions for OTLP span exporters.
+See the official OTLP span exporter implementations:
+  - [go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc],
+  - [go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp].
+*/
+package otlptrace // import "go.opentelemetry.io/otel/exporters/otlp/otlptrace"
--- a/vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/exporter.go
+++ b/vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/exporter.go
@@ -24,9 +24,7 @@ import (
 	tracesdk "go.opentelemetry.io/otel/sdk/trace"
 )

-var (
-	errAlreadyStarted = errors.New("already started")
-)
+var errAlreadyStarted = errors.New("already started")

 // Exporter exports trace data in the OTLP wire format.
 type Exporter struct {
@@ -55,7 +53,7 @@ func (e *Exporter) ExportSpans(ctx context.Context, ss []tracesdk.ReadOnlySpan)

 // Start establishes a connection to the receiving endpoint.
 func (e *Exporter) Start(ctx context.Context) error {
-	var err = errAlreadyStarted
+	err := errAlreadyStarted
 	e.startOnce.Do(func() {
 		e.mu.Lock()
 		e.started = true
@@ -106,7 +104,7 @@ func NewUnstarted(client Client) *Exporter {
 	}
 }

-// MarshalLog is the marshaling function used by the logging system to represent this exporter.
+// MarshalLog is the marshaling function used by the logging system to represent this Exporter.
 func (e *Exporter) MarshalLog() interface{} {
 	return struct {
 		Type   string
--- a/vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc/client.go
+++ b/vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc/client.go
@@ -260,30 +260,38 @@ func (c *client) exportContext(parent context.Context) (context.Context, context
 // duration to wait for if an explicit throttle time is included in err.
 func retryable(err error) (bool, time.Duration) {
 	s := status.Convert(err)
+	return retryableGRPCStatus(s)
+}
+
+func retryableGRPCStatus(s *status.Status) (bool, time.Duration) {
 	switch s.Code() {
 	case codes.Canceled,
 		codes.DeadlineExceeded,
-		codes.ResourceExhausted,
 		codes.Aborted,
 		codes.OutOfRange,
 		codes.Unavailable,
 		codes.DataLoss:
-		return true, throttleDelay(s)
+		// Additionally handle RetryInfo.
+		_, d := throttleDelay(s)
+		return true, d
+	case codes.ResourceExhausted:
+		// Retry only if the server signals that the recovery from resource exhaustion is possible.
+		return throttleDelay(s)
 	}

 	// Not a retry-able error.
 	return false, 0
 }

-// throttleDelay returns a duration to wait for if an explicit throttle time
-// is included in the response status.
-func throttleDelay(s *status.Status) time.Duration {
+// throttleDelay returns of the status is RetryInfo
+// and the its duration to wait for if an explicit throttle time.
+func throttleDelay(s *status.Status) (bool, time.Duration) {
 	for _, detail := range s.Details() {
 		if t, ok := detail.(*errdetails.RetryInfo); ok {
-			return t.RetryDelay.AsDuration()
+			return true, t.RetryDelay.AsDuration()
 		}
 	}
-	return 0
+	return false, 0
 }

 // MarshalLog is the marshaling function used by the logging system to represent this Client.
--- a/vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc/doc.go
+++ b/vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc/doc.go
@@ -0,0 +1,77 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+/*
+Package otlptracegrpc provides an OTLP span exporter using gRPC.
+By default the telemetry is sent to https://localhost:4317.
+
+Exporter should be created using [New].
+
+The environment variables described below can be used for configuration.
+
+OTEL_EXPORTER_OTLP_ENDPOINT, OTEL_EXPORTER_OTLP_TRACES_ENDPOINT (default: "https://localhost:4317") -
+target to which the exporter sends telemetry.
+The target syntax is defined in https://github.com/grpc/grpc/blob/master/doc/naming.md.
+The value must contain a host.
+The value may additionally a port, a scheme, and a path.
+The value accepts "http" and "https" scheme.
+The value should not contain a query string or fragment.
+OTEL_EXPORTER_OTLP_TRACES_ENDPOINT takes precedence over OTEL_EXPORTER_OTLP_ENDPOINT.
+The configuration can be overridden by [WithEndpoint], [WithEndpointURL], [WithInsecure], and [WithGRPCConn] options.
+
+OTEL_EXPORTER_OTLP_INSECURE, OTEL_EXPORTER_OTLP_TRACES_INSECURE (default: "false") -
+setting "true" disables client transport security for the exporter's gRPC connection.
+You can use this only when an endpoint is provided without the http or https scheme.
+OTEL_EXPORTER_OTLP_ENDPOINT, OTEL_EXPORTER_OTLP_TRACES_ENDPOINT setting overrides
+the scheme defined via OTEL_EXPORTER_OTLP_ENDPOINT, OTEL_EXPORTER_OTLP_TRACES_ENDPOINT.
+OTEL_EXPORTER_OTLP_TRACES_INSECURE takes precedence over OTEL_EXPORTER_OTLP_INSECURE.
+The configuration can be overridden by [WithInsecure], [WithGRPCConn] options.
+
+OTEL_EXPORTER_OTLP_HEADERS, OTEL_EXPORTER_OTLP_TRACES_HEADERS (default: none) -
+key-value pairs used as gRPC metadata associated with gRPC requests.
+The value is expected to be represented in a format matching to the [W3C Baggage HTTP Header Content Format],
+except that additional semi-colon delimited metadata is not supported.
+Example value: "key1=value1,key2=value2".
+OTEL_EXPORTER_OTLP_TRACES_HEADERS takes precedence over OTEL_EXPORTER_OTLP_HEADERS.
+The configuration can be overridden by [WithHeaders] option.
+
+OTEL_EXPORTER_OTLP_TIMEOUT, OTEL_EXPORTER_OTLP_TRACES_TIMEOUT (default: "10000") -
+maximum time in milliseconds the OTLP exporter waits for each batch export.
+OTEL_EXPORTER_OTLP_TRACES_TIMEOUT takes precedence over OTEL_EXPORTER_OTLP_TIMEOUT.
+The configuration can be overridden by [WithTimeout] option.
+
+OTEL_EXPORTER_OTLP_COMPRESSION, OTEL_EXPORTER_OTLP_TRACES_COMPRESSION (default: none) -
+the gRPC compressor the exporter uses.
+Supported value: "gzip".
+OTEL_EXPORTER_OTLP_TRACES_COMPRESSION takes precedence over OTEL_EXPORTER_OTLP_COMPRESSION.
+The configuration can be overridden by [WithCompressor], [WithGRPCConn] options.
+
+OTEL_EXPORTER_OTLP_CERTIFICATE, OTEL_EXPORTER_OTLP_TRACES_CERTIFICATE (default: none) -
+the filepath to the trusted certificate to use when verifying a server's TLS credentials.
+OTEL_EXPORTER_OTLP_TRACES_CERTIFICATE takes precedence over OTEL_EXPORTER_OTLP_CERTIFICATE.
+The configuration can be overridden by [WithTLSCredentials], [WithGRPCConn] options.
+
+OTEL_EXPORTER_OTLP_CLIENT_CERTIFICATE, OTEL_EXPORTER_OTLP_TRACES_CLIENT_CERTIFICATE (default: none) -
+the filepath to the client certificate/chain trust for clients private key to use in mTLS communication in PEM format.
+OTEL_EXPORTER_OTLP_TRACES_CLIENT_CERTIFICATE takes precedence over OTEL_EXPORTER_OTLP_CLIENT_CERTIFICATE.
+The configuration can be overridden by [WithTLSCredentials], [WithGRPCConn] options.
+
+OTEL_EXPORTER_OTLP_CLIENT_KEY, OTEL_EXPORTER_OTLP_TRACES_CLIENT_KEY (default: none) -
+the filepath  to the clients private key to use in mTLS communication in PEM format.
+OTEL_EXPORTER_OTLP_TRACES_CLIENT_KEY takes precedence over OTEL_EXPORTER_OTLP_CLIENT_KEY.
+The configuration can be overridden by [WithTLSCredentials], [WithGRPCConn] option.
+
+[W3C Baggage HTTP Header Content Format]: https://www.w3.org/TR/baggage/#header-content
+*/
+package otlptracegrpc // import "go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc"
--- a/vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc/internal/envconfig/envconfig.go
+++ b/vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc/internal/envconfig/envconfig.go
@@ -174,13 +174,13 @@ func stringToHeader(value string) map[string]string {
 			global.Error(errors.New("missing '="), "parse headers", "input", header)
 			continue
 		}
-		name, err := url.QueryUnescape(n)
+		name, err := url.PathUnescape(n)
 		if err != nil {
 			global.Error(err, "escape header key", "key", n)
 			continue
 		}
 		trimmedName := strings.TrimSpace(name)
-		value, err := url.QueryUnescape(v)
+		value, err := url.PathUnescape(v)
 		if err != nil {
 			global.Error(err, "escape header value", "value", v)
 			continue
--- a/vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc/internal/otlpconfig/options.go
+++ b/vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc/internal/otlpconfig/options.go
@@ -20,6 +20,7 @@ package otlpconfig // import "go.opentelemetry.io/otel/exporters/otlp/otlptrace/
 import (
 	"crypto/tls"
 	"fmt"
+	"net/url"
 	"path"
 	"strings"
 	"time"
@@ -32,6 +33,7 @@ import (

 	"go.opentelemetry.io/otel/exporters/otlp/otlptrace"
 	"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc/internal/retry"
+	"go.opentelemetry.io/otel/internal/global"
 )

 const (
@@ -141,9 +143,6 @@ func NewGRPCConfig(opts ...GRPCOption) Config {
 	if cfg.Traces.Compression == GzipCompression {
 		cfg.DialOptions = append(cfg.DialOptions, grpc.WithDefaultCallOptions(grpc.UseCompressor(gzip.Name)))
 	}
-	if len(cfg.DialOptions) != 0 {
-		cfg.DialOptions = append(cfg.DialOptions, cfg.DialOptions...)
-	}
 	if cfg.ReconnectionPeriod != 0 {
 		p := grpc.ConnectParams{
 			Backoff:           backoff.DefaultConfig,
@@ -268,6 +267,24 @@ func WithEndpoint(endpoint string) GenericOption {
 	})
 }

+func WithEndpointURL(v string) GenericOption {
+	return newGenericOption(func(cfg Config) Config {
+		u, err := url.Parse(v)
+		if err != nil {
+			global.Error(err, "otlptrace: parse endpoint url", "url", v)
+			return cfg
+		}
+
+		cfg.Traces.Endpoint = u.Host
+		cfg.Traces.URLPath = u.Path
+		if u.Scheme != "https" {
+			cfg.Traces.Insecure = true
+		}
+
+		return cfg
+	})
+}
+
 func WithCompression(compression Compression) GenericOption {
 	return newGenericOption(func(cfg Config) Config {
 		cfg.Traces.Compression = compression
--- a/vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc/options.go
+++ b/vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc/options.go
@@ -64,14 +64,44 @@ func WithInsecure() Option {
 	return wrappedOption{otlpconfig.WithInsecure()}
 }

-// WithEndpoint sets the target endpoint the exporter will connect to. If
-// unset, localhost:4317 will be used as a default.
+// WithEndpointURL sets the target endpoint URL the Exporter will connect to.
+//
+// If the OTEL_EXPORTER_OTLP_ENDPOINT or OTEL_EXPORTER_OTLP_METRICS_ENDPOINT
+// environment variable is set, and this option is not passed, that variable
+// value will be used. If both are set, OTEL_EXPORTER_OTLP_TRACES_ENDPOINT
+// will take precedence.
+//
+// If both this option and WithEndpointURL are used, the last used option will
+// take precedence.
+//
+// By default, if an environment variable is not set, and this option is not
+// passed, "localhost:4317" will be used.
 //
 // This option has no effect if WithGRPCConn is used.
 func WithEndpoint(endpoint string) Option {
 	return wrappedOption{otlpconfig.WithEndpoint(endpoint)}
 }

+// WithEndpoint sets the target endpoint URL the Exporter will connect to.
+//
+// If the OTEL_EXPORTER_OTLP_ENDPOINT or OTEL_EXPORTER_OTLP_METRICS_ENDPOINT
+// environment variable is set, and this option is not passed, that variable
+// value will be used. If both are set, OTEL_EXPORTER_OTLP_TRACES_ENDPOINT
+// will take precedence.
+//
+// If both this option and WithEndpoint are used, the last used option will
+// take precedence.
+//
+// If an invalid URL is provided, the default value will be kept.
+//
+// By default, if an environment variable is not set, and this option is not
+// passed, "localhost:4317" will be used.
+//
+// This option has no effect if WithGRPCConn is used.
+func WithEndpointURL(u string) Option {
+	return wrappedOption{otlpconfig.WithEndpointURL(u)}
+}
+
 // WithReconnectionPeriod set the minimum amount of time between connection
 // attempts to the target endpoint.
 //
@@ -93,13 +123,7 @@ func compressorToCompression(compressor string) otlpconfig.Compression {
 }

 // WithCompressor sets the compressor for the gRPC client to use when sending
-// requests. It is the responsibility of the caller to ensure that the
-// compressor set has been registered with google.golang.org/grpc/encoding.
-// This can be done by encoding.RegisterCompressor. Some compressors
-// auto-register on import, such as gzip, which can be registered by calling
-// `import _ "google.golang.org/grpc/encoding/gzip"`.
-//
-// This option has no effect if WithGRPCConn is used.
+// requests. Supported compressor values: "gzip".
 func WithCompressor(compressor string) Option {
 	return wrappedOption{otlpconfig.WithCompression(compressorToCompression(compressor))}
 }
--- a/vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/version.go
+++ b/vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/version.go
@@ -16,5 +16,5 @@ package otlptrace // import "go.opentelemetry.io/otel/exporters/otlp/otlptrace"

 // Version is the current release version of the OpenTelemetry OTLP trace exporter in use.
 func Version() string {
-	return "1.19.0"
+	return "1.23.0"
 }
--- a/vendor/go.opentelemetry.io/otel/metric/noop/noop.go
+++ b/vendor/go.opentelemetry.io/otel/metric/noop/noop.go
@@ -0,0 +1,264 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package noop provides an implementation of the OpenTelemetry metric API that
+// produces no telemetry and minimizes used computation resources.
+//
+// Using this package to implement the OpenTelemetry metric API will
+// effectively disable OpenTelemetry.
+//
+// This implementation can be embedded in other implementations of the
+// OpenTelemetry metric API. Doing so will mean the implementation defaults to
+// no operation for methods it does not implement.
+package noop // import "go.opentelemetry.io/otel/metric/noop"
+
+import (
+	"context"
+
+	"go.opentelemetry.io/otel/metric"
+	"go.opentelemetry.io/otel/metric/embedded"
+)
+
+var (
+	// Compile-time check this implements the OpenTelemetry API.
+
+	_ metric.MeterProvider                  = MeterProvider{}
+	_ metric.Meter                          = Meter{}
+	_ metric.Observer                       = Observer{}
+	_ metric.Registration                   = Registration{}
+	_ metric.Int64Counter                   = Int64Counter{}
+	_ metric.Float64Counter                 = Float64Counter{}
+	_ metric.Int64UpDownCounter             = Int64UpDownCounter{}
+	_ metric.Float64UpDownCounter           = Float64UpDownCounter{}
+	_ metric.Int64Histogram                 = Int64Histogram{}
+	_ metric.Float64Histogram               = Float64Histogram{}
+	_ metric.Int64ObservableCounter         = Int64ObservableCounter{}
+	_ metric.Float64ObservableCounter       = Float64ObservableCounter{}
+	_ metric.Int64ObservableGauge           = Int64ObservableGauge{}
+	_ metric.Float64ObservableGauge         = Float64ObservableGauge{}
+	_ metric.Int64ObservableUpDownCounter   = Int64ObservableUpDownCounter{}
+	_ metric.Float64ObservableUpDownCounter = Float64ObservableUpDownCounter{}
+	_ metric.Int64Observer                  = Int64Observer{}
+	_ metric.Float64Observer                = Float64Observer{}
+)
+
+// MeterProvider is an OpenTelemetry No-Op MeterProvider.
+type MeterProvider struct{ embedded.MeterProvider }
+
+// NewMeterProvider returns a MeterProvider that does not record any telemetry.
+func NewMeterProvider() MeterProvider {
+	return MeterProvider{}
+}
+
+// Meter returns an OpenTelemetry Meter that does not record any telemetry.
+func (MeterProvider) Meter(string, ...metric.MeterOption) metric.Meter {
+	return Meter{}
+}
+
+// Meter is an OpenTelemetry No-Op Meter.
+type Meter struct{ embedded.Meter }
+
+// Int64Counter returns a Counter used to record int64 measurements that
+// produces no telemetry.
+func (Meter) Int64Counter(string, ...metric.Int64CounterOption) (metric.Int64Counter, error) {
+	return Int64Counter{}, nil
+}
+
+// Int64UpDownCounter returns an UpDownCounter used to record int64
+// measurements that produces no telemetry.
+func (Meter) Int64UpDownCounter(string, ...metric.Int64UpDownCounterOption) (metric.Int64UpDownCounter, error) {
+	return Int64UpDownCounter{}, nil
+}
+
+// Int64Histogram returns a Histogram used to record int64 measurements that
+// produces no telemetry.
+func (Meter) Int64Histogram(string, ...metric.Int64HistogramOption) (metric.Int64Histogram, error) {
+	return Int64Histogram{}, nil
+}
+
+// Int64ObservableCounter returns an ObservableCounter used to record int64
+// measurements that produces no telemetry.
+func (Meter) Int64ObservableCounter(string, ...metric.Int64ObservableCounterOption) (metric.Int64ObservableCounter, error) {
+	return Int64ObservableCounter{}, nil
+}
+
+// Int64ObservableUpDownCounter returns an ObservableUpDownCounter used to
+// record int64 measurements that produces no telemetry.
+func (Meter) Int64ObservableUpDownCounter(string, ...metric.Int64ObservableUpDownCounterOption) (metric.Int64ObservableUpDownCounter, error) {
+	return Int64ObservableUpDownCounter{}, nil
+}
+
+// Int64ObservableGauge returns an ObservableGauge used to record int64
+// measurements that produces no telemetry.
+func (Meter) Int64ObservableGauge(string, ...metric.Int64ObservableGaugeOption) (metric.Int64ObservableGauge, error) {
+	return Int64ObservableGauge{}, nil
+}
+
+// Float64Counter returns a Counter used to record int64 measurements that
+// produces no telemetry.
+func (Meter) Float64Counter(string, ...metric.Float64CounterOption) (metric.Float64Counter, error) {
+	return Float64Counter{}, nil
+}
+
+// Float64UpDownCounter returns an UpDownCounter used to record int64
+// measurements that produces no telemetry.
+func (Meter) Float64UpDownCounter(string, ...metric.Float64UpDownCounterOption) (metric.Float64UpDownCounter, error) {
+	return Float64UpDownCounter{}, nil
+}
+
+// Float64Histogram returns a Histogram used to record int64 measurements that
+// produces no telemetry.
+func (Meter) Float64Histogram(string, ...metric.Float64HistogramOption) (metric.Float64Histogram, error) {
+	return Float64Histogram{}, nil
+}
+
+// Float64ObservableCounter returns an ObservableCounter used to record int64
+// measurements that produces no telemetry.
+func (Meter) Float64ObservableCounter(string, ...metric.Float64ObservableCounterOption) (metric.Float64ObservableCounter, error) {
+	return Float64ObservableCounter{}, nil
+}
+
+// Float64ObservableUpDownCounter returns an ObservableUpDownCounter used to
+// record int64 measurements that produces no telemetry.
+func (Meter) Float64ObservableUpDownCounter(string, ...metric.Float64ObservableUpDownCounterOption) (metric.Float64ObservableUpDownCounter, error) {
+	return Float64ObservableUpDownCounter{}, nil
+}
+
+// Float64ObservableGauge returns an ObservableGauge used to record int64
+// measurements that produces no telemetry.
+func (Meter) Float64ObservableGauge(string, ...metric.Float64ObservableGaugeOption) (metric.Float64ObservableGauge, error) {
+	return Float64ObservableGauge{}, nil
+}
+
+// RegisterCallback performs no operation.
+func (Meter) RegisterCallback(metric.Callback, ...metric.Observable) (metric.Registration, error) {
+	return Registration{}, nil
+}
+
+// Observer acts as a recorder of measurements for multiple instruments in a
+// Callback, it performing no operation.
+type Observer struct{ embedded.Observer }
+
+// ObserveFloat64 performs no operation.
+func (Observer) ObserveFloat64(metric.Float64Observable, float64, ...metric.ObserveOption) {
+}
+
+// ObserveInt64 performs no operation.
+func (Observer) ObserveInt64(metric.Int64Observable, int64, ...metric.ObserveOption) {
+}
+
+// Registration is the registration of a Callback with a No-Op Meter.
+type Registration struct{ embedded.Registration }
+
+// Unregister unregisters the Callback the Registration represents with the
+// No-Op Meter. This will always return nil because the No-Op Meter performs no
+// operation, including hold any record of registrations.
+func (Registration) Unregister() error { return nil }
+
+// Int64Counter is an OpenTelemetry Counter used to record int64 measurements.
+// It produces no telemetry.
+type Int64Counter struct{ embedded.Int64Counter }
+
+// Add performs no operation.
+func (Int64Counter) Add(context.Context, int64, ...metric.AddOption) {}
+
+// Float64Counter is an OpenTelemetry Counter used to record float64
+// measurements. It produces no telemetry.
+type Float64Counter struct{ embedded.Float64Counter }
+
+// Add performs no operation.
+func (Float64Counter) Add(context.Context, float64, ...metric.AddOption) {}
+
+// Int64UpDownCounter is an OpenTelemetry UpDownCounter used to record int64
+// measurements. It produces no telemetry.
+type Int64UpDownCounter struct{ embedded.Int64UpDownCounter }
+
+// Add performs no operation.
+func (Int64UpDownCounter) Add(context.Context, int64, ...metric.AddOption) {}
+
+// Float64UpDownCounter is an OpenTelemetry UpDownCounter used to record
+// float64 measurements. It produces no telemetry.
+type Float64UpDownCounter struct{ embedded.Float64UpDownCounter }
+
+// Add performs no operation.
+func (Float64UpDownCounter) Add(context.Context, float64, ...metric.AddOption) {}
+
+// Int64Histogram is an OpenTelemetry Histogram used to record int64
+// measurements. It produces no telemetry.
+type Int64Histogram struct{ embedded.Int64Histogram }
+
+// Record performs no operation.
+func (Int64Histogram) Record(context.Context, int64, ...metric.RecordOption) {}
+
+// Float64Histogram is an OpenTelemetry Histogram used to record float64
+// measurements. It produces no telemetry.
+type Float64Histogram struct{ embedded.Float64Histogram }
+
+// Record performs no operation.
+func (Float64Histogram) Record(context.Context, float64, ...metric.RecordOption) {}
+
+// Int64ObservableCounter is an OpenTelemetry ObservableCounter used to record
+// int64 measurements. It produces no telemetry.
+type Int64ObservableCounter struct {
+	metric.Int64Observable
+	embedded.Int64ObservableCounter
+}
+
+// Float64ObservableCounter is an OpenTelemetry ObservableCounter used to record
+// float64 measurements. It produces no telemetry.
+type Float64ObservableCounter struct {
+	metric.Float64Observable
+	embedded.Float64ObservableCounter
+}
+
+// Int64ObservableGauge is an OpenTelemetry ObservableGauge used to record
+// int64 measurements. It produces no telemetry.
+type Int64ObservableGauge struct {
+	metric.Int64Observable
+	embedded.Int64ObservableGauge
+}
+
+// Float64ObservableGauge is an OpenTelemetry ObservableGauge used to record
+// float64 measurements. It produces no telemetry.
+type Float64ObservableGauge struct {
+	metric.Float64Observable
+	embedded.Float64ObservableGauge
+}
+
+// Int64ObservableUpDownCounter is an OpenTelemetry ObservableUpDownCounter
+// used to record int64 measurements. It produces no telemetry.
+type Int64ObservableUpDownCounter struct {
+	metric.Int64Observable
+	embedded.Int64ObservableUpDownCounter
+}
+
+// Float64ObservableUpDownCounter is an OpenTelemetry ObservableUpDownCounter
+// used to record float64 measurements. It produces no telemetry.
+type Float64ObservableUpDownCounter struct {
+	metric.Float64Observable
+	embedded.Float64ObservableUpDownCounter
+}
+
+// Int64Observer is a recorder of int64 measurements that performs no operation.
+type Int64Observer struct{ embedded.Int64Observer }
+
+// Observe performs no operation.
+func (Int64Observer) Observe(int64, ...metric.ObserveOption) {}
+
+// Float64Observer is a recorder of float64 measurements that performs no
+// operation.
+type Float64Observer struct{ embedded.Float64Observer }
+
+// Observe performs no operation.
+func (Float64Observer) Observe(float64, ...metric.ObserveOption) {}
--- a/vendor/go.opentelemetry.io/proto/otlp/trace/v1/trace.pb.go
+++ b/vendor/go.opentelemetry.io/proto/otlp/trace/v1/trace.pb.go
@@ -36,6 +36,69 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )

+// SpanFlags represents constants used to interpret the
+// Span.flags field, which is protobuf 'fixed32' type and is to
+// be used as bit-fields. Each non-zero value defined in this enum is
+// a bit-mask.  To extract the bit-field, for example, use an
+// expression like:
+//
+//   (span.flags & SPAN_FLAGS_TRACE_FLAGS_MASK)
+//
+// See https://www.w3.org/TR/trace-context-2/#trace-flags for the flag definitions.
+//
+// Note that Span flags were introduced in version 1.1 of the
+// OpenTelemetry protocol.  Older Span producers do not set this
+// field, consequently consumers should not rely on the absence of a
+// particular flag bit to indicate the presence of a particular feature.
+type SpanFlags int32
+
+const (
+	// The zero value for the enum. Should not be used for comparisons.
+	// Instead use bitwise "and" with the appropriate mask as shown above.
+	SpanFlags_SPAN_FLAGS_DO_NOT_USE SpanFlags = 0
+	// Bits 0-7 are used for trace flags.
+	SpanFlags_SPAN_FLAGS_TRACE_FLAGS_MASK SpanFlags = 255
+)
+
+// Enum value maps for SpanFlags.
+var (
+	SpanFlags_name = map[int32]string{
+		0:   "SPAN_FLAGS_DO_NOT_USE",
+		255: "SPAN_FLAGS_TRACE_FLAGS_MASK",
+	}
+	SpanFlags_value = map[string]int32{
+		"SPAN_FLAGS_DO_NOT_USE":       0,
+		"SPAN_FLAGS_TRACE_FLAGS_MASK": 255,
+	}
+)
+
+func (x SpanFlags) Enum() *SpanFlags {
+	p := new(SpanFlags)
+	*p = x
+	return p
+}
+
+func (x SpanFlags) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (SpanFlags) Descriptor() protoreflect.EnumDescriptor {
+	return file_opentelemetry_proto_trace_v1_trace_proto_enumTypes[0].Descriptor()
+}
+
+func (SpanFlags) Type() protoreflect.EnumType {
+	return &file_opentelemetry_proto_trace_v1_trace_proto_enumTypes[0]
+}
+
+func (x SpanFlags) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use SpanFlags.Descriptor instead.
+func (SpanFlags) EnumDescriptor() ([]byte, []int) {
+	return file_opentelemetry_proto_trace_v1_trace_proto_rawDescGZIP(), []int{0}
+}
+
 // SpanKind is the type of span. Can be used to specify additional relationships between spans
 // in addition to a parent/child relationship.
 type Span_SpanKind int32
@@ -94,11 +157,11 @@ func (x Span_SpanKind) String() string {
 }

 func (Span_SpanKind) Descriptor() protoreflect.EnumDescriptor {
-	return file_opentelemetry_proto_trace_v1_trace_proto_enumTypes[0].Descriptor()
+	return file_opentelemetry_proto_trace_v1_trace_proto_enumTypes[1].Descriptor()
 }

 func (Span_SpanKind) Type() protoreflect.EnumType {
-	return &file_opentelemetry_proto_trace_v1_trace_proto_enumTypes[0]
+	return &file_opentelemetry_proto_trace_v1_trace_proto_enumTypes[1]
 }

 func (x Span_SpanKind) Number() protoreflect.EnumNumber {
@@ -149,11 +212,11 @@ func (x Status_StatusCode) String() string {
 }

 func (Status_StatusCode) Descriptor() protoreflect.EnumDescriptor {
-	return file_opentelemetry_proto_trace_v1_trace_proto_enumTypes[1].Descriptor()
+	return file_opentelemetry_proto_trace_v1_trace_proto_enumTypes[2].Descriptor()
 }

 func (Status_StatusCode) Type() protoreflect.EnumType {
-	return &file_opentelemetry_proto_trace_v1_trace_proto_enumTypes[1]
+	return &file_opentelemetry_proto_trace_v1_trace_proto_enumTypes[2]
 }

 func (x Status_StatusCode) Number() protoreflect.EnumNumber {
@@ -238,6 +301,9 @@ type ResourceSpans struct {
 	Resource *v1.Resource `protobuf:"bytes,1,opt,name=resource,proto3" json:"resource,omitempty"`
 	// A list of ScopeSpans that originate from a resource.
 	ScopeSpans []*ScopeSpans `protobuf:"bytes,2,rep,name=scope_spans,json=scopeSpans,proto3" json:"scope_spans,omitempty"`
+	// The Schema URL, if known. This is the identifier of the Schema that the resource data
+	// is recorded in. To learn more about Schema URL see
+	// https://opentelemetry.io/docs/specs/otel/schemas/#schema-url
 	// This schema_url applies to the data in the "resource" field. It does not apply
 	// to the data in the "scope_spans" field which have their own schema_url field.
 	SchemaUrl string `protobuf:"bytes,3,opt,name=schema_url,json=schemaUrl,proto3" json:"schema_url,omitempty"`
@@ -308,6 +374,9 @@ type ScopeSpans struct {
 	Scope *v11.InstrumentationScope `protobuf:"bytes,1,opt,name=scope,proto3" json:"scope,omitempty"`
 	// A list of Spans that originate from an instrumentation scope.
 	Spans []*Span `protobuf:"bytes,2,rep,name=spans,proto3" json:"spans,omitempty"`
+	// The Schema URL, if known. This is the identifier of the Schema that the span data
+	// is recorded in. To learn more about Schema URL see
+	// https://opentelemetry.io/docs/specs/otel/schemas/#schema-url
 	// This schema_url applies to all spans and span events in the "spans" field.
 	SchemaUrl string `protobuf:"bytes,3,opt,name=schema_url,json=schemaUrl,proto3" json:"schema_url,omitempty"`
 }
@@ -394,6 +463,21 @@ type Span struct {
 	// The `span_id` of this span's parent span. If this is a root span, then this
 	// field must be empty. The ID is an 8-byte array.
 	ParentSpanId []byte `protobuf:"bytes,4,opt,name=parent_span_id,json=parentSpanId,proto3" json:"parent_span_id,omitempty"`
+	// Flags, a bit field. 8 least significant bits are the trace
+	// flags as defined in W3C Trace Context specification. Readers
+	// MUST not assume that 24 most significant bits will be zero.
+	// To read the 8-bit W3C trace flag, use `flags & SPAN_FLAGS_TRACE_FLAGS_MASK`.
+	//
+	// When creating span messages, if the message is logically forwarded from another source
+	// with an equivalent flags fields (i.e., usually another OTLP span message), the field SHOULD
+	// be copied as-is. If creating from a source that does not have an equivalent flags field
+	// (such as a runtime representation of an OpenTelemetry span), the high 24 bits MUST
+	// be set to zero.
+	//
+	// [Optional].
+	//
+	// See https://www.w3.org/TR/trace-context-2/#trace-flags for the flag definitions.
+	Flags uint32 `protobuf:"fixed32,16,opt,name=flags,proto3" json:"flags,omitempty"`
 	// A description of the span's operation.
 	//
 	// For example, the name can be a qualified method name or a file name
@@ -517,6 +601,13 @@ func (x *Span) GetParentSpanId() []byte {
 	return nil
 }

+func (x *Span) GetFlags() uint32 {
+	if x != nil {
+		return x.Flags
+	}
+	return 0
+}
+
 func (x *Span) GetName() string {
 	if x != nil {
 		return x.Name
@@ -757,6 +848,15 @@ type Span_Link struct {
 	// dropped_attributes_count is the number of dropped attributes. If the value is 0,
 	// then no attributes were dropped.
 	DroppedAttributesCount uint32 `protobuf:"varint,5,opt,name=dropped_attributes_count,json=droppedAttributesCount,proto3" json:"dropped_attributes_count,omitempty"`
+	// Flags, a bit field. 8 least significant bits are the trace
+	// flags as defined in W3C Trace Context specification. Readers
+	// MUST not assume that 24 most significant bits will be zero.
+	// When creating new spans, the most-significant 24-bits MUST be
+	// zero.  To read the 8-bit W3C trace flag (use flags &
+	// SPAN_FLAGS_TRACE_FLAGS_MASK).  [Optional].
+	//
+	// See https://www.w3.org/TR/trace-context-2/#trace-flags for the flag definitions.
+	Flags uint32 `protobuf:"fixed32,6,opt,name=flags,proto3" json:"flags,omitempty"`
 }

 func (x *Span_Link) Reset() {
@@ -826,6 +926,13 @@ func (x *Span_Link) GetDroppedAttributesCount() uint32 {
 	return 0
 }

+func (x *Span_Link) GetFlags() uint32 {
+	if x != nil {
+		return x.Flags
+	}
+	return 0
+}
+
 var File_opentelemetry_proto_trace_v1_trace_proto protoreflect.FileDescriptor

 var file_opentelemetry_proto_trace_v1_trace_proto_rawDesc = []byte{
@@ -869,7 +976,7 @@ var file_opentelemetry_proto_trace_v1_trace_proto_rawDesc = []byte{
 	0x2e, 0x74, 0x72, 0x61, 0x63, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x53, 0x70, 0x61, 0x6e, 0x52, 0x05,
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 }

 var (
@@ -986,36 +1100,37 @@ func file_opentelemetry_proto_trace_v1_trace_proto_rawDescGZIP() []byte {
 	return file_opentelemetry_proto_trace_v1_trace_proto_rawDescData
 }

-var file_opentelemetry_proto_trace_v1_trace_proto_enumTypes = make([]protoimpl.EnumInfo, 2)
+var file_opentelemetry_proto_trace_v1_trace_proto_enumTypes = make([]protoimpl.EnumInfo, 3)
 var file_opentelemetry_proto_trace_v1_trace_proto_msgTypes = make([]protoimpl.MessageInfo, 7)
 var file_opentelemetry_proto_trace_v1_trace_proto_goTypes = []interface{}{
-	(Span_SpanKind)(0),               // 0: opentelemetry.proto.trace.v1.Span.SpanKind
-	(Status_StatusCode)(0),           // 1: opentelemetry.proto.trace.v1.Status.StatusCode
-	(*TracesData)(nil),               // 2: opentelemetry.proto.trace.v1.TracesData
-	(*ResourceSpans)(nil),            // 3: opentelemetry.proto.trace.v1.ResourceSpans
-	(*ScopeSpans)(nil),               // 4: opentelemetry.proto.trace.v1.ScopeSpans
-	(*Span)(nil),                     // 5: opentelemetry.proto.trace.v1.Span
-	(*Status)(nil),                   // 6: opentelemetry.proto.trace.v1.Status
-	(*Span_Event)(nil),               // 7: opentelemetry.proto.trace.v1.Span.Event
-	(*Span_Link)(nil),                // 8: opentelemetry.proto.trace.v1.Span.Link
-	(*v1.Resource)(nil),              // 9: opentelemetry.proto.resource.v1.Resource
-	(*v11.InstrumentationScope)(nil), // 10: opentelemetry.proto.common.v1.InstrumentationScope
-	(*v11.KeyValue)(nil),             // 11: opentelemetry.proto.common.v1.KeyValue
+	(SpanFlags)(0),                   // 0: opentelemetry.proto.trace.v1.SpanFlags
+	(Span_SpanKind)(0),               // 1: opentelemetry.proto.trace.v1.Span.SpanKind
+	(Status_StatusCode)(0),           // 2: opentelemetry.proto.trace.v1.Status.StatusCode
+	(*TracesData)(nil),               // 3: opentelemetry.proto.trace.v1.TracesData
+	(*ResourceSpans)(nil),            // 4: opentelemetry.proto.trace.v1.ResourceSpans
+	(*ScopeSpans)(nil),               // 5: opentelemetry.proto.trace.v1.ScopeSpans
+	(*Span)(nil),                     // 6: opentelemetry.proto.trace.v1.Span
+	(*Status)(nil),                   // 7: opentelemetry.proto.trace.v1.Status
+	(*Span_Event)(nil),               // 8: opentelemetry.proto.trace.v1.Span.Event
+	(*Span_Link)(nil),                // 9: opentelemetry.proto.trace.v1.Span.Link
+	(*v1.Resource)(nil),              // 10: opentelemetry.proto.resource.v1.Resource
+	(*v11.InstrumentationScope)(nil), // 11: opentelemetry.proto.common.v1.InstrumentationScope
+	(*v11.KeyValue)(nil),             // 12: opentelemetry.proto.common.v1.KeyValue
 }
 var file_opentelemetry_proto_trace_v1_trace_proto_depIdxs = []int32{
-	3,  // 0: opentelemetry.proto.trace.v1.TracesData.resource_spans:type_name -> opentelemetry.proto.trace.v1.ResourceSpans
-	9,  // 1: opentelemetry.proto.trace.v1.ResourceSpans.resource:type_name -> opentelemetry.proto.resource.v1.Resource
-	4,  // 2: opentelemetry.proto.trace.v1.ResourceSpans.scope_spans:type_name -> opentelemetry.proto.trace.v1.ScopeSpans
-	10, // 3: opentelemetry.proto.trace.v1.ScopeSpans.scope:type_name -> opentelemetry.proto.common.v1.InstrumentationScope
-	5,  // 4: opentelemetry.proto.trace.v1.ScopeSpans.spans:type_name -> opentelemetry.proto.trace.v1.Span
-	0,  // 5: opentelemetry.proto.trace.v1.Span.kind:type_name -> opentelemetry.proto.trace.v1.Span.SpanKind
-	11, // 6: opentelemetry.proto.trace.v1.Span.attributes:type_name -> opentelemetry.proto.common.v1.KeyValue
-	7,  // 7: opentelemetry.proto.trace.v1.Span.events:type_name -> opentelemetry.proto.trace.v1.Span.Event
-	8,  // 8: opentelemetry.proto.trace.v1.Span.links:type_name -> opentelemetry.proto.trace.v1.Span.Link
-	6,  // 9: opentelemetry.proto.trace.v1.Span.status:type_name -> opentelemetry.proto.trace.v1.Status
-	1,  // 10: opentelemetry.proto.trace.v1.Status.code:type_name -> opentelemetry.proto.trace.v1.Status.StatusCode
-	11, // 11: opentelemetry.proto.trace.v1.Span.Event.attributes:type_name -> opentelemetry.proto.common.v1.KeyValue
-	11, // 12: opentelemetry.proto.trace.v1.Span.Link.attributes:type_name -> opentelemetry.proto.common.v1.KeyValue
+	4,  // 0: opentelemetry.proto.trace.v1.TracesData.resource_spans:type_name -> opentelemetry.proto.trace.v1.ResourceSpans
+	10, // 1: opentelemetry.proto.trace.v1.ResourceSpans.resource:type_name -> opentelemetry.proto.resource.v1.Resource
+	5,  // 2: opentelemetry.proto.trace.v1.ResourceSpans.scope_spans:type_name -> opentelemetry.proto.trace.v1.ScopeSpans
+	11, // 3: opentelemetry.proto.trace.v1.ScopeSpans.scope:type_name -> opentelemetry.proto.common.v1.InstrumentationScope
+	6,  // 4: opentelemetry.proto.trace.v1.ScopeSpans.spans:type_name -> opentelemetry.proto.trace.v1.Span
+	1,  // 5: opentelemetry.proto.trace.v1.Span.kind:type_name -> opentelemetry.proto.trace.v1.Span.SpanKind
+	12, // 6: opentelemetry.proto.trace.v1.Span.attributes:type_name -> opentelemetry.proto.common.v1.KeyValue
+	8,  // 7: opentelemetry.proto.trace.v1.Span.events:type_name -> opentelemetry.proto.trace.v1.Span.Event
+	9,  // 8: opentelemetry.proto.trace.v1.Span.links:type_name -> opentelemetry.proto.trace.v1.Span.Link
+	7,  // 9: opentelemetry.proto.trace.v1.Span.status:type_name -> opentelemetry.proto.trace.v1.Status
+	2,  // 10: opentelemetry.proto.trace.v1.Status.code:type_name -> opentelemetry.proto.trace.v1.Status.StatusCode
+	12, // 11: opentelemetry.proto.trace.v1.Span.Event.attributes:type_name -> opentelemetry.proto.common.v1.KeyValue
+	12, // 12: opentelemetry.proto.trace.v1.Span.Link.attributes:type_name -> opentelemetry.proto.common.v1.KeyValue
 	13, // [13:13] is the sub-list for method output_type
 	13, // [13:13] is the sub-list for method input_type
 	13, // [13:13] is the sub-list for extension type_name
@@ -1119,7 +1234,7 @@ func file_opentelemetry_proto_trace_v1_trace_proto_init() {
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_opentelemetry_proto_trace_v1_trace_proto_rawDesc,
-			NumEnums:      2,
+			NumEnums:      3,
 			NumMessages:   7,
 			NumExtensions: 0,
 			NumServices:   0,