various bugfixes and improvements

internal/telemetry/trace/debug.go

@@ -0,0 +1,32 @@
+package trace
+
+import (
+	"context"
+	"fmt"
+	"runtime"
+
+	"go.opentelemetry.io/otel/attribute"
+	sdktrace "go.opentelemetry.io/otel/sdk/trace"
+)
+
+type stackTraceProcessor struct{}
+
+// ForceFlush implements trace.SpanProcessor.
+func (s *stackTraceProcessor) ForceFlush(ctx context.Context) error {
+	return nil
+}
+
+// OnEnd implements trace.SpanProcessor.
+func (*stackTraceProcessor) OnEnd(s sdktrace.ReadOnlySpan) {
+}
+
+// OnStart implements trace.SpanProcessor.
+func (*stackTraceProcessor) OnStart(parent context.Context, s sdktrace.ReadWriteSpan) {
+	_, file, line, _ := runtime.Caller(2)
+	s.SetAttributes(attribute.String("caller", fmt.Sprintf("%s:%d", file, line)))
+}
+
+// Shutdown implements trace.SpanProcessor.
+func (s *stackTraceProcessor) Shutdown(ctx context.Context) error {
+	return nil
+}