Transaction Source

dynamic_sampling_context_test.go

@@ -93,7 +93,7 @@ func TestDynamicSamplingContextFromTransaction(t *testing.T) {
 					Dsn:              "http://public@example.com/sentry/1",
 					Release:          "1.0.0",
 				})
-				txn := StartTransaction(ctx, "name")
+				txn := StartTransaction(ctx, "name", TransctionSource(SourceURL))
 				txn.TraceID = TraceIDFromHex("d49d9bf66f13450b81f65bc51cf49c03")
 				return txn
 			}(),

interfaces.go

@@ -222,6 +222,11 @@ type SDKMetaData struct {
 	transactionSource TransactionSource
 }
 
+// Contains information about how the name of the transaction was determined.
+type TransactionInfo struct {
+	Source TransactionSource `json:"source,omitempty"`
+}
+
 // EventID is a hexadecimal string representing a unique uuid4 for an Event.
 // An EventID must be 32 characters long, lowercase and not have any dashes.
 type EventID string
@@ -255,9 +260,10 @@ type Event struct {
 
 	// The fields below are only relevant for transactions.
 
-	Type      string    `json:"type,omitempty"`
-	StartTime time.Time `json:"start_timestamp"`
-	Spans     []*Span   `json:"spans,omitempty"`
+	Type            string           `json:"type,omitempty"`
+	StartTime       time.Time        `json:"start_timestamp"`
+	Spans           []*Span          `json:"spans,omitempty"`
+	TransactionInfo *TransactionInfo `json:"transaction_info,omitempty"`
 
 	// The fields below are not part of the final JSON payload.
 
@@ -303,9 +309,10 @@ func (e *Event) defaultMarshalJSON() ([]byte, error) {
 		// be sent for transactions. They shadow the respective fields in Event
 		// and are meant to remain nil, triggering the omitempty behavior.
 
-		Type      json.RawMessage `json:"type,omitempty"`
-		StartTime json.RawMessage `json:"start_timestamp,omitempty"`
-		Spans     json.RawMessage `json:"spans,omitempty"`
+		Type            json.RawMessage `json:"type,omitempty"`
+		StartTime       json.RawMessage `json:"start_timestamp,omitempty"`
+		Spans           json.RawMessage `json:"spans,omitempty"`
+		TransactionInfo json.RawMessage `json:"transaction_info,omitempty"`
 	}
 
 	x := errorEvent{event: (*event)(e)}

tracing.go

@@ -83,6 +83,7 @@ func StartSpan(ctx context.Context, operation string, options ...SpanOption) *Sp
 		Op:        operation,
 		StartTime: time.Now(),
 		Sampled:   SampledUndefined,
+		Source:    SourceCustom,
 
 		ctx:           context.WithValue(ctx, spanContextKey{}, &span),
 		parent:        parent,

tracing_test.go

@@ -207,6 +207,7 @@ func TestStartChild(t *testing.T) {
 				ParentSpanID: child.ParentSpanID,
 				Op:           child.Op,
 				Sampled:      SampledTrue,
+				Source:       child.Source,
 			},
 		},
 	}

transport.go

@@ -98,11 +98,12 @@ func transactionEnvelopeFromBody(event *Event, dsn *Dsn, sentAt time.Time, body
 	var b bytes.Buffer
 	enc := json.NewEncoder(&b)
 
-	dsc := event.sdkMetaData.dsc
+	// Construct the trace envolope header
 	var trace = map[string]string{}
-
-	for k, v := range dsc.Entries {
-		trace[k] = v
+	if dsc := event.sdkMetaData.dsc; dsc.HasEntries() {
+		for k, v := range dsc.Entries {
+			trace[k] = v
+		}
 	}
 
 	// Envelope header