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| 1 | +package grpc |
| 2 | + |
| 3 | +import ( |
| 4 | + "context" |
| 5 | + "net/http/httptest" |
| 6 | + "testing" |
| 7 | + "time" |
| 8 | + |
| 9 | + "connectrpc.com/connect" |
| 10 | + "go.opentelemetry.io/otel" |
| 11 | + "go.opentelemetry.io/otel/baggage" |
| 12 | + "go.opentelemetry.io/otel/propagation" |
| 13 | + sdktrace "go.opentelemetry.io/otel/sdk/trace" |
| 14 | + "go.opentelemetry.io/otel/sdk/trace/tracetest" |
| 15 | + "go.opentelemetry.io/otel/trace" |
| 16 | + |
| 17 | + "github.com/evstack/ev-node/core/execution" |
| 18 | +) |
| 19 | + |
| 20 | +func setupTracer(t *testing.T) (*tracetest.SpanRecorder, func()) { |
| 21 | + t.Helper() |
| 22 | + rec := tracetest.NewSpanRecorder() |
| 23 | + tp := sdktrace.NewTracerProvider(sdktrace.WithSpanProcessor(rec)) |
| 24 | + oldTP := otel.GetTracerProvider() |
| 25 | + oldProp := otel.GetTextMapPropagator() |
| 26 | + otel.SetTracerProvider(tp) |
| 27 | + otel.SetTextMapPropagator(propagation.NewCompositeTextMapPropagator(propagation.TraceContext{}, propagation.Baggage{})) |
| 28 | + return rec, func() { |
| 29 | + _ = tp.Shutdown(context.Background()) |
| 30 | + otel.SetTracerProvider(oldTP) |
| 31 | + otel.SetTextMapPropagator(oldProp) |
| 32 | + } |
| 33 | +} |
| 34 | + |
| 35 | +func TestInboundMetadataCreatesChildSpanWithSameTraceID(t *testing.T) { |
| 36 | + rec, cleanup := setupTracer(t) |
| 37 | + defer cleanup() |
| 38 | + |
| 39 | + tracer := otel.Tracer("test") |
| 40 | + parentCtx, parent := tracer.Start(context.Background(), "parent") |
| 41 | + defer parent.End() |
| 42 | + parentTraceID := parent.SpanContext().TraceID() |
| 43 | + |
| 44 | + mockExec := &mockExecutor{getTxsFunc: func(ctx context.Context) ([][]byte, error) { |
| 45 | + _, span := tracer.Start(ctx, "server-child") |
| 46 | + span.End() |
| 47 | + return [][]byte{}, nil |
| 48 | + }} |
| 49 | + |
| 50 | + handler := NewExecutorServiceHandler(mockExec) |
| 51 | + ts := httptest.NewServer(handler) |
| 52 | + defer ts.Close() |
| 53 | + |
| 54 | + client := NewClient(ts.URL) |
| 55 | + _, err := client.GetTxs(parentCtx) |
| 56 | + if err != nil { |
| 57 | + t.Fatalf("GetTxs failed: %v", err) |
| 58 | + } |
| 59 | + |
| 60 | + var found bool |
| 61 | + for _, s := range rec.Ended() { |
| 62 | + if s.Name() == "server-child" { |
| 63 | + found = true |
| 64 | + if s.SpanContext().TraceID() != parentTraceID { |
| 65 | + t.Fatalf("trace id mismatch: got %s want %s", s.SpanContext().TraceID(), parentTraceID) |
| 66 | + } |
| 67 | + } |
| 68 | + } |
| 69 | + if !found { |
| 70 | + t.Fatalf("server-child span not found") |
| 71 | + } |
| 72 | +} |
| 73 | + |
| 74 | +func TestOutboundGRPCCallCarriesTraceparentMetadata(t *testing.T) { |
| 75 | + rec, cleanup := setupTracer(t) |
| 76 | + _ = rec |
| 77 | + defer cleanup() |
| 78 | + |
| 79 | + tracer := otel.Tracer("test") |
| 80 | + ctx, parent := tracer.Start(context.Background(), "parent") |
| 81 | + defer parent.End() |
| 82 | + |
| 83 | + gotTraceparent := "" |
| 84 | + captureHeader := connect.UnaryInterceptorFunc(func(next connect.UnaryFunc) connect.UnaryFunc { |
| 85 | + return func(ctx context.Context, req connect.AnyRequest) (connect.AnyResponse, error) { |
| 86 | + gotTraceparent = req.Header().Get("traceparent") |
| 87 | + return next(ctx, req) |
| 88 | + } |
| 89 | + }) |
| 90 | + |
| 91 | + mockExec := &mockExecutor{} |
| 92 | + handler := NewExecutorServiceHandler(mockExec, connect.WithInterceptors(captureHeader)) |
| 93 | + ts := httptest.NewServer(handler) |
| 94 | + defer ts.Close() |
| 95 | + |
| 96 | + client := NewClient(ts.URL) |
| 97 | + if _, err := client.GetTxs(ctx); err != nil { |
| 98 | + t.Fatalf("GetTxs failed: %v", err) |
| 99 | + } |
| 100 | + if gotTraceparent == "" { |
| 101 | + t.Fatalf("expected traceparent metadata to be propagated") |
| 102 | + } |
| 103 | +} |
| 104 | + |
| 105 | +func TestOutboundGRPCCallCarriesPropagationHeaders(t *testing.T) { |
| 106 | + rec, cleanup := setupTracer(t) |
| 107 | + _ = rec |
| 108 | + defer cleanup() |
| 109 | + |
| 110 | + tracer := otel.Tracer("test") |
| 111 | + ctx, parent := tracer.Start(context.Background(), "parent") |
| 112 | + defer parent.End() |
| 113 | + member, err := baggage.NewMember("tenant", "alpha") |
| 114 | + if err != nil { |
| 115 | + t.Fatalf("failed to create baggage member: %v", err) |
| 116 | + } |
| 117 | + bg, err := baggage.New(member) |
| 118 | + if err != nil { |
| 119 | + t.Fatalf("failed to create baggage: %v", err) |
| 120 | + } |
| 121 | + ctx = baggage.ContextWithBaggage(ctx, bg) |
| 122 | + |
| 123 | + var gotTraceparent string |
| 124 | + var gotBaggage string |
| 125 | + captureHeader := connect.UnaryInterceptorFunc(func(next connect.UnaryFunc) connect.UnaryFunc { |
| 126 | + return func(ctx context.Context, req connect.AnyRequest) (connect.AnyResponse, error) { |
| 127 | + gotTraceparent = req.Header().Get("traceparent") |
| 128 | + gotBaggage = req.Header().Get("baggage") |
| 129 | + return next(ctx, req) |
| 130 | + } |
| 131 | + }) |
| 132 | + |
| 133 | + mockExec := &mockExecutor{} |
| 134 | + handler := NewExecutorServiceHandler(mockExec, connect.WithInterceptors(captureHeader)) |
| 135 | + ts := httptest.NewServer(handler) |
| 136 | + defer ts.Close() |
| 137 | + |
| 138 | + client := NewClient(ts.URL) |
| 139 | + if _, err := client.GetTxs(ctx); err != nil { |
| 140 | + t.Fatalf("GetTxs failed: %v", err) |
| 141 | + } |
| 142 | + |
| 143 | + if gotTraceparent == "" { |
| 144 | + t.Fatalf("expected traceparent metadata to be propagated") |
| 145 | + } |
| 146 | + if gotBaggage == "" { |
| 147 | + t.Fatalf("expected baggage metadata to be propagated") |
| 148 | + } |
| 149 | +} |
| 150 | + |
| 151 | +func TestEndToEndParentChildAcrossServerClientHop(t *testing.T) { |
| 152 | + rec, cleanup := setupTracer(t) |
| 153 | + defer cleanup() |
| 154 | + |
| 155 | + tracer := otel.Tracer("test") |
| 156 | + var midSpan trace.Span |
| 157 | + |
| 158 | + downstreamExec := &mockExecutor{getExecutionInfoFunc: func(ctx context.Context) (executionInfo execution.ExecutionInfo, err error) { |
| 159 | + _, span := tracer.Start(ctx, "downstream-child") |
| 160 | + span.End() |
| 161 | + return execution.ExecutionInfo{MaxGas: 1}, nil |
| 162 | + }} |
| 163 | + downstreamHandler := NewExecutorServiceHandler(downstreamExec) |
| 164 | + downstreamSrv := httptest.NewServer(downstreamHandler) |
| 165 | + defer downstreamSrv.Close() |
| 166 | + downstreamClient := NewClient(downstreamSrv.URL) |
| 167 | + |
| 168 | + upstreamExec := &mockExecutor{getTxsFunc: func(ctx context.Context) ([][]byte, error) { |
| 169 | + ctx, span := tracer.Start(ctx, "upstream-mid") |
| 170 | + midSpan = span |
| 171 | + defer span.End() |
| 172 | + _, err := downstreamClient.GetExecutionInfo(ctx) |
| 173 | + if err != nil { |
| 174 | + return nil, err |
| 175 | + } |
| 176 | + return [][]byte{}, nil |
| 177 | + }} |
| 178 | + upstreamHandler := NewExecutorServiceHandler(upstreamExec) |
| 179 | + upstreamSrv := httptest.NewServer(upstreamHandler) |
| 180 | + defer upstreamSrv.Close() |
| 181 | + |
| 182 | + client := NewClient(upstreamSrv.URL) |
| 183 | + rootCtx, root := tracer.Start(context.Background(), "root") |
| 184 | + defer root.End() |
| 185 | + if _, err := client.GetTxs(rootCtx); err != nil { |
| 186 | + t.Fatalf("GetTxs failed: %v", err) |
| 187 | + } |
| 188 | + |
| 189 | + time.Sleep(10 * time.Millisecond) |
| 190 | + |
| 191 | + rootTraceID := root.SpanContext().TraceID() |
| 192 | + if midSpan.SpanContext().TraceID() != rootTraceID { |
| 193 | + t.Fatalf("mid span trace id mismatch") |
| 194 | + } |
| 195 | + var found bool |
| 196 | + for _, s := range rec.Ended() { |
| 197 | + if s.Name() == "downstream-child" { |
| 198 | + found = true |
| 199 | + if s.SpanContext().TraceID() != rootTraceID { |
| 200 | + t.Fatalf("downstream trace id mismatch") |
| 201 | + } |
| 202 | + } |
| 203 | + } |
| 204 | + if !found { |
| 205 | + t.Fatalf("downstream-child span not found") |
| 206 | + } |
| 207 | +} |
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