Keep trace id in headers when issuing requests to solr

Author: marblestation

solr/views.py

@@ -152,8 +152,10 @@ def cleanup_solr_request(self, payload, user_id=None):
 
         if 'X-Amzn-Trace-Id' in request.headers:
             payload['x-amzn-trace-id'] = request.headers['X-Amzn-Trace-Id']
+            headers['X-Amzn-Trace-Id'] = request.headers['X-Amzn-Trace-Id']
         elif 'x-amzn-trace-id' in request.headers:
             payload['x-amzn-trace-id'] = request.headers['x-amzn-trace-id']
+            headers['X-Amzn-Trace-Id'] = request.headers['x-amzn-trace-id']
 
         payload['wt'] = 'json'
         max_rows = current_app.config.get('SOLR_SERVICE_MAX_ROWS', 100)