Adding request_id data in span attribute

Author: markiing

lib/support/opentelemetry.js

@@ -51,7 +51,9 @@ provider.register();
 const tracer = opentelemetry.trace.getTracer(OtelConfig.service);
 
 function StartSpanMiddleware(req, res, next) {
-  const span = tracer.startSpan(req.path);
+  const span = tracer.startSpan(req.path, { attributes: {
+    "http.request_id": req.headers["x-request-id"]
+  }});
   req.otelSpan = span;
   next();
 }