inject span

hiphop/service.py

@@ -2,6 +2,7 @@ from flask import Flask, redirect, request
 from jaeger_client import Config
 from flask_opentracing import FlaskTracer #, FlaskTracing
 import opentracing
+from opentracing.propagation import Format
 import requests
 import traceback 
 import os
@@ -38,7 +39,9 @@ def hip():
         with opentracing.tracer.start_span(operation_name=url, child_of=parent_span) as span:
             print(f"{span}")
             span.set_tag("http.url", url)
-            r = requests.get(url)
+            headers = dict(request.headers)
+            tracer.inject(span, Format.HTTP_HEADERS, headers)
+            r = requests.get(url, headers=headers)
             span.set_tag("http.status_code", r.status_code)
         print(r)
         r = r.content.decode('utf-8')