go.mod

@@ -1,11 +1,10 @@
 module go.unistack.org/micro-tracer-opentracing/v3
 
-go 1.21
-
-toolchain go1.22.2
+go 1.20
 
 require (
 	github.com/opentracing/opentracing-go v1.2.0
-	go.opentelemetry.io/otel v1.28.0
-	go.unistack.org/micro/v3 v3.10.81
+	go.unistack.org/micro/v3 v3.10.43
 )
+
+require github.com/stretchr/testify v1.8.1 // indirect

go.sum

@@ -1,19 +1,21 @@
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
-github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/opentracing/opentracing-go v1.2.0 h1:uEJPy/1a5RIPAJ0Ov+OIO8OxWu77jEv+1B0VhjKrZUs=
 github.com/opentracing/opentracing-go v1.2.0/go.mod h1:GxEUsuufX4nBwe+T+Wl9TAgYrxe9dPLANfrWvHYVTgc=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
+github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
-github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
-go.opentelemetry.io/otel v1.28.0 h1:/SqNcYk+idO0CxKEUOtKQClMK/MimZihKYMruSMViUo=
-go.opentelemetry.io/otel v1.28.0/go.mod h1:q68ijF8Fc8CnMHKyzqL6akLO46ePnjkgfIMIjUIX9z4=
-go.unistack.org/micro/v3 v3.10.81 h1:zHttMUEwL/f9GtrNAQOk8bK0NrEwAuKeUW8DEoywgJI=
-go.unistack.org/micro/v3 v3.10.81/go.mod h1:erMgt3Bl7vQQ0e9UpQyR5NlLiZ9pKeEJ9+1tfYFaqUg=
+github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
+github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKsk=
+github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
+go.unistack.org/micro/v3 v3.10.43 h1:GjUgu1lSKrhIov67jZQg6hUVUw0xZ6+ub8s6JRu6uj4=
+go.unistack.org/micro/v3 v3.10.43/go.mod h1:CSmEf5ddmft94MyKHnUSMM0W5dpmmTVbgImbgQWV5Ak=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

opentracing.go

@@ -3,14 +3,13 @@ package opentracing
 import (
 	"context"
 	"errors"
-	"strings"
+	"fmt"
 
 	ot "github.com/opentracing/opentracing-go"
 	otlog "github.com/opentracing/opentracing-go/log"
-	"go.opentelemetry.io/otel/attribute"
 	"go.unistack.org/micro/v3/metadata"
 	"go.unistack.org/micro/v3/tracer"
-	"go.unistack.org/micro/v3/util/sort"
+	rutil "go.unistack.org/micro/v3/util/reflect"
 )
 
 var _ tracer.Tracer = &otTracer{}
@@ -42,27 +41,13 @@ func (t *otTracer) Init(opts ...tracer.Option) error {
 	return nil
 }
 
-type otSpanContext interface {
-	TraceID() idStringer
-	SpanID() idStringer
-}
-
-type jSpanContext interface {
+type spanContext interface {
 	TraceID() idStringer
 	SpanID() idStringer
 }
 
 func (t *otTracer) Start(ctx context.Context, name string, opts ...tracer.SpanOption) (context.Context, tracer.Span) {
 	options := tracer.NewSpanOptions(opts...)
-
-	if len(options.Labels)%2 != 0 {
-		options.Labels = options.Labels[:len(options.Labels)-1]
-	}
-
-	for _, fn := range t.opts.ContextAttrFuncs {
-		options.Labels = append(options.Labels, fn(ctx)...)
-	}
-
 	var span ot.Span
 	switch options.Kind {
 	case tracer.SpanKindUnspecified:
@@ -78,41 +63,18 @@ func (t *otTracer) Start(ctx context.Context, name string, opts ...tracer.SpanOp
 	sp := &otSpan{span: span, opts: options}
 
 	spctx := span.Context()
-
-	var traceID, spanID, parentID string
-
-	if v, ok := spctx.(otSpanContext); ok {
-		traceID = v.TraceID().String()
-		spanID = v.SpanID().String()
+	if v, ok := spctx.(spanContext); ok {
+		sp.traceID = v.TraceID().String()
+		sp.spanID = v.SpanID().String()
 	} else {
-		carrier := make(map[string]string, 1)
-		_ = span.Tracer().Inject(spctx, ot.TextMap, ot.TextMapCarrier(carrier))
-		for k, v := range carrier {
-			switch k {
-			case "mockpfx-ids-sampled":
-				continue
-			case "mockpfx-ids-spanid":
-				spanID = v
-			case "mockpfx-ids-traceid":
-				traceID = v
-			default: // reasonable default
-				p := strings.Split(v, ":")
-				traceID = p[0]
-				spanID = p[1]
-				parentID = p[2]
-			case "uber-trace-id": // jaeger trace span
-				p := strings.Split(v, ":")
-				traceID = p[0]
-				spanID = p[1]
-				parentID = p[2]
-			}
+		if val, err := rutil.StructFieldByName(spctx, "TraceID"); err == nil {
+			sp.traceID = fmt.Sprintf("%v", val)
+		}
+		if val, err := rutil.StructFieldByName(spctx, "SpanID"); err == nil {
+			sp.spanID = fmt.Sprintf("%v", val)
 		}
 	}
 
-	sp.traceID = traceID
-	sp.spanID = spanID
-	sp.parentID = parentID
-
 	return tracer.NewSpanContext(ctx, sp), sp
 }
 
@@ -128,12 +90,9 @@ type otSpan struct {
 	span      ot.Span
 	spanID    string
 	traceID   string
-	parentID  string
 	opts      tracer.SpanOptions
 	status    tracer.SpanStatus
 	statusMsg string
-	labels    []interface{}
-	finished  bool
 }
 
 func (os *otSpan) TraceID() string {
@@ -144,10 +103,6 @@ func (os *otSpan) SpanID() string {
 	return os.spanID
 }
 
-func (os *otSpan) ParentID() string {
-	return os.parentID
-}
-
 func (os *otSpan) SetStatus(st tracer.SpanStatus, msg string) {
 	os.status = st
 	os.statusMsg = msg
@@ -162,52 +117,24 @@ func (os *otSpan) Tracer() tracer.Tracer {
 }
 
 func (os *otSpan) Finish(opts ...tracer.SpanOption) {
-	if os.finished {
-		return
+	if len(os.opts.Labels)%2 != 0 {
+		os.opts.Labels = os.opts.Labels[:len(os.opts.Labels)-1]
 	}
-
-	options := os.opts
-
-	options.Status = os.status
-	options.StatusMsg = os.statusMsg
-	options.Labels = append(options.Labels, os.labels...)
-
-	for _, o := range opts {
-		o(&options)
-	}
-
-	if !options.Record {
-		return
-	}
-
-	if len(options.Labels)%2 != 0 {
-		options.Labels = options.Labels[:len(options.Labels)-1]
-	}
-
-	os.opts.Labels = sort.Uniq(os.opts.Labels)
-
-	l := len(options.Labels)
-	for idx := 0; idx < l; idx++ {
-		switch lt := options.Labels[idx].(type) {
-		case attribute.KeyValue:
-			os.span.SetTag(string(lt.Key), lt.Value.AsInterface())
-		case string:
-			if l > idx+1 {
-				os.span.SetTag(lt, options.Labels[idx+1])
-				idx++
-			}
+	os.opts.Labels = tracer.UniqLabels(os.opts.Labels)
+	for idx := 0; idx < len(os.opts.Labels); idx += 2 {
+		k, ok := os.opts.Labels[idx].(string)
+		if !ok {
+			continue
 		}
+		v := os.opts.Labels[idx+1]
+		os.span.SetTag(k, v)
 	}
-
-	if options.Status == tracer.SpanStatusError {
+	if os.status == tracer.SpanStatusError {
 		os.span.SetTag("error", true)
-		os.span.LogKV("error", options.StatusMsg)
+		os.span.LogKV("error", os.statusMsg)
 	}
-
-	os.span.SetTag("span.kind", options.Kind)
+	os.span.SetTag("span.kind", os.opts.Kind)
 	os.span.Finish()
-
-	os.finished = true
 }
 
 func (os *otSpan) AddEvent(name string, opts ...tracer.EventOption) {
@@ -235,7 +162,17 @@ func (os *otSpan) Kind() tracer.SpanKind {
 }
 
 func (os *otSpan) AddLabels(labels ...interface{}) {
-	os.labels = append(os.labels, labels...)
+	if len(labels)%2 != 0 {
+		labels = labels[:len(labels)-1]
+	}
+	for idx := 0; idx < len(labels); idx += 2 {
+		k, kok := labels[idx].(string)
+		if !kok {
+			continue
+		}
+		v := labels[idx+1]
+		os.span.SetTag(k, v)
+	}
 }
 
 func NewTracer(opts ...tracer.Option) *otTracer {
@@ -324,15 +261,11 @@ func (t *otTracer) startSpanFromOutgoingContext(ctx context.Context, name string
 	}
 
 	nmd := metadata.Copy(md)
-	smd := metadata.New(1)
 
 	sp := t.tracer.StartSpan(name, opts...)
-	if err := sp.Tracer().Inject(sp.Context(), ot.TextMap, ot.TextMapCarrier(smd)); err != nil {
+	if err := sp.Tracer().Inject(sp.Context(), ot.TextMap, ot.TextMapCarrier(nmd)); err != nil {
 		return nil, nil
 	}
-	for k, v := range smd {
-		nmd.Set(k, v)
-	}
 
 	ctx = metadata.NewOutgoingContext(ot.ContextWithSpan(ctx, sp), nmd)
 
@@ -371,15 +304,11 @@ func (t *otTracer) startSpanFromIncomingContext(ctx context.Context, name string
 	}
 
 	nmd := metadata.Copy(md)
-	smd := metadata.New(1)
 
 	sp := t.tracer.StartSpan(name, opts...)
-	if err := sp.Tracer().Inject(sp.Context(), ot.TextMap, ot.TextMapCarrier(smd)); err != nil {
+	if err := sp.Tracer().Inject(sp.Context(), ot.TextMap, ot.TextMapCarrier(nmd)); err != nil {
 		return nil, nil
 	}
-	for k, v := range smd {
-		nmd.Set(k, v)
-	}
 
 	ctx = metadata.NewIncomingContext(ot.ContextWithSpan(ctx, sp), nmd)
 

opentracing_test.go

@@ -2,17 +2,14 @@ package opentracing
 
 import (
 	"context"
-	"fmt"
 	"testing"
 
 	"github.com/opentracing/opentracing-go/mocktracer"
-	// jconfig "github.com/uber/jaeger-client-go/config"
-	"go.unistack.org/micro/v3/logger/slog"
 	"go.unistack.org/micro/v3/metadata"
 	"go.unistack.org/micro/v3/tracer"
 )
 
-func TestNoopTraceID(t *testing.T) {
+func TestTraceID(t *testing.T) {
 	md := metadata.New(1)
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
@@ -32,86 +29,4 @@ func TestNoopTraceID(t *testing.T) {
 	if v := sp.SpanID(); v != "44" {
 		t.Fatalf("invalid span span id %#+v", v)
 	}
-
-	l := slog.NewLogger()
-	if err := l.Init(); err != nil {
-		t.Fatal(err)
-	}
-	l.Info(ctx, "msg")
-}
-
-/*
-func TestRealTraceID(t *testing.T) {
-	md := metadata.New(1)
-	ctx, cancel := context.WithCancel(context.Background())
-	defer cancel()
-	ctx = metadata.NewIncomingContext(ctx, md)
-
-	jcfg := &jconfig.Configuration{
-		ServiceName: "test",
-		Sampler: &jconfig.SamplerConfig{
-			Type:  "const",
-			Param: 1,
-		},
-		Reporter: &jconfig.ReporterConfig{
-			LogSpans:  true,
-			QueueSize: 100,
-		},
-	}
-
-	jtr, closer, err := jcfg.NewTracer()
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer closer.Close()
-
-	tr := NewTracer(Tracer(jtr))
-	if err := tr.Init(); err != nil {
-		t.Fatal(err)
-	}
-
-	var sp tracer.Span
-
-	ctx, sp = tr.Start(ctx, "test")
-	if v := sp.TraceID(); v != "43" {
-		t.Fatalf("invalid span trace id %#+v", v)
-	}
-	if v := sp.SpanID(); v != "44" {
-		t.Fatalf("invalid span span id %#+v", v)
-	}
-
-	l := slog.NewLogger()
-	if err := l.Init(); err != nil {
-		t.Fatal(err)
-	}
-	l.Info(ctx, "msg")
-}
-*/
-
-func TestTraceTags(t *testing.T) {
-	md := metadata.New(1)
-	ctx, cancel := context.WithCancel(context.Background())
-	defer cancel()
-	ctx = metadata.NewIncomingContext(ctx, md)
-
-	mtr := mocktracer.New()
-	tr := NewTracer(Tracer(mtr))
-	if err := tr.Init(); err != nil {
-		t.Fatal(err)
-	}
-
-	var sp tracer.Span
-
-	ctx, sp = tr.Start(ctx, "test", tracer.WithSpanLabels("key", "val", "odd"))
-	sp.Finish(tracer.WithSpanLabels("xkey", "xval"))
-	_ = ctx
-	msp := mtr.FinishedSpans()[0]
-
-	if "val" != fmt.Sprintf("%v", msp.Tags()["key"]) {
-		t.Fatal("mock span invalid")
-	}
-
-	if "xval" != fmt.Sprintf("%v", msp.Tags()["xkey"]) {
-		t.Fatalf("mock span invalid %#+v", msp)
-	}
 }