add opentelemetry tracing

internal/common/xcontext/log.go

@@ -6,6 +6,16 @@ import (
 )
 
 type ctxLogKey struct{}
+type ctxRequestID struct{}
+
+func WithRequestID(ctx context.Context, requestID string) context.Context {
+	return context.WithValue(ctx, ctxRequestID{}, requestID)
+}
+
+func GetRequestID(ctx context.Context) string {
+	reqid, _ := ctx.Value(ctxRequestID{}).(string)
+	return reqid
+}
 
 type ctxLogAttrStore struct {
 	attrs []slog.Attr