Better exception handling and informations on stdout

etherpad/etherpad.py

@@ -75,6 +75,7 @@ class EtherpadCollector(object):
                     'value': data['totalUsers']
                 }
             })
+            print("Etherpad : data collected for instance {}".format(instance['name']))
 
         return metrics
 
@@ -88,7 +89,11 @@ class EtherpadCollector(object):
         # Send request
         stats_plugin = requests.get(instance['url'] + "/stats.json")
         stats_native = requests.get(instance['url'] + "/stats")
-        if stats_plugin.status_code != 200 or stats_native.status_code != 200:
+        if stats_plugin.status_code != 200:
+            print("Unable to get stats.json : HTTP {}".format(stats_plugin.status_code))
+            return None
+        if stats_native.status_code != 200:
+            print("Unable to get stats : HTTP {}".format(stats_plugin.status_code))
             return None
         try:
             plugin = json.loads(stats_plugin.text)

main.py

@@ -47,15 +47,19 @@ def influxb_connect(config):
         verify = True
 
     # Connect to influx db
-    return InfluxDBClient(
-        host=o.hostname,
-        port=port,
-        username=config['user'],
-        password=config['password'],
-        database=config['database'],
-        ssl=ssl,
-        verify_ssl=verify
-    )
+    try:
+        return InfluxDBClient(
+            host=o.hostname,
+            port=port,
+            username=config['user'],
+            password=config['password'],
+            database=config['database'],
+            ssl=ssl,
+            verify_ssl=verify
+        )
+    except Exception as e:
+        print("Cannot connect to {} : {}".format(o.hostname, e))
+        print("If InfluxDB has just started, this is normal, please wait!")
 
 
 def main():

mattermost/mattermost.py

@@ -53,7 +53,7 @@ class MattermostCollector(object):
                 try:
                     mat_api.login()
                 except Exception as err:
-                    print("Cannot login to {} : {}".format(instance, err))
+                    print("Cannot login to {} : {}".format(instance['name'], err))
                     continue
                 self.instances.append(
                     {
@@ -157,7 +157,7 @@ class MattermostCollector(object):
                     'value': daily_data['daily_users_with_posts']['value']
                 }
             })
-
+            print("Mattermost : data collected for instance {}".format(instance['config']['name']))
         return metrics
 
     @classmethod