Better exception handling if Etherpad is down

etherpad/etherpad.py

@@ -40,6 +40,7 @@ class EtherpadCollector(object):
 
         # Get all instances stats
         for instance in self.instances:
+            print("Etherpad : collecting for instance {}".format(instance['name']))
             data = self._get_stats(instance)
             if data is None:
                 continue
@@ -86,8 +87,11 @@ class EtherpadCollector(object):
         :returns: JSON data returned by Etherpad stats module
         """
         # Send request
-        stats_plugin = requests.get(instance['url'] + "/stats.json")
-        stats_native = requests.get(instance['url'] + "/stats")
+        try:
+            stats_plugin = requests.get(instance['url'] + "/stats.json")
+            stats_native = requests.get(instance['url'] + "/stats")
+        except requests.exceptions.RequestException as e:
+            print('Unable to contact Etherpad : {}'.format(e))
         if stats_plugin.status_code != 200:
             print("Unable to get stats.json from {} : HTTP {}".format(instance['name'], stats_plugin.status_code))
             return None