added tracing

hiphop/service.py

@@ -33,7 +33,11 @@ def index():
 def hip():
     r = ""
     try:
-        r = requests.get(f"http://{service}-{tier + 1}", allow_redirects=True)
+        current_span = tracing.get_span(request)
+        text_carrier = {}
+        tracing.inject(span, opentracing.Format.TEXT_MAP, text_carrier)
+        print(text_carrier)
+        r = requests.get(f"http://{service}-{tier + 1}", headers=text_carrier, allow_redirects=True)
         print(r)
         r = r.content.decode('utf-8')
     except Exception as ex: