Add the hostname to mixpanel requests.

endpoints/trackhelper.py

@@ -1,6 +1,8 @@
 import logging
 import random
 
+from urlparse import urlparse
+
 from app import analytics, app, userevents
 from data import model
 from flask import request
@@ -53,9 +55,11 @@ def track_and_log(event_name, repo, analytics_name=None, analytics_sample=1, **k
     metadata['public'] = True
     analytics_id = 'anonymous'
 
+  request_parsed = urlparse(request.url_root)
   extra_params = {
     'repository': '%s/%s' % (namespace, repository),
     'user-agent': request.user_agent.string,
+    'hostname': request_parsed.hostname,
   }
 
   # Publish the user event (if applicable)