Proxy Request-Id to stagecraft

As someone operating a distributed system
I would like to be able to trace a single request through everywhere
So that I have good transparency in how the system behaves

backdrop/read/api.py

@@ -40,6 +40,7 @@
     app.config['STAGECRAFT_URL'],
     app.config['SIGNON_API_USER_TOKEN'],
     dry_run=False,
+    request_id_fn = generate_request_id,
 )
 
 DEFAULT_DATA_SET_QUERYABLE = True
@@ -228,6 +229,10 @@ def fetch(data_set_config):
     return response
 
 
+def generate_request_id():
+    return request.headers.get('Request-Id')
+
+
 def start(port):
     app.debug = True
     app.run(host='0.0.0.0', port=port)

backdrop/write/api.py

@@ -40,6 +40,7 @@
     app.config['STAGECRAFT_URL'],
     app.config['SIGNON_API_USER_TOKEN'],
     dry_run=False,
+    request_id_fn = generate_request_id,
 )
 
 log_handler.set_up_logging(app, GOVUK_ENV)
@@ -276,6 +277,10 @@ def listify_json(data):
         return [data]
 
 
+def generate_request_id():
+    return request.headers.get('Request-Id')
+
+
 def start(port):
     # this method only gets run on dev
     # app.debug = True

requirements.txt

@@ -5,7 +5,7 @@ gunicorn==19.1.1
 invoke
 isodate==0.5.0
 jsonschema==2.4
-performanceplatform-client==0.0.8
+performanceplatform-client==0.0.9
 pip==1.5.6
 pymongo==2.7.2
 python-dateutil==2.2