Refactor logging in main.py and update telegraf.conf for metric name and MongoDB connection details

peertube/statnerd/telegraf.conf

@@ -5,7 +5,7 @@
     service_address = "udp://:8094"
     data_format = "xpath_json"
     [[inputs.socket_listener.xpath]]
-        metric_name = "'statistics'"
+        metric_name = "'peertube'"
         metric_selection = "/*"
 
         timestamp = "timestamp"
@@ -25,9 +25,6 @@
     data_format = "json"
 
 [[outputs.mongodb]]
-    dsn = "mongodb://192.168.68.120:27017"
-    database = "peertube"
-    granularity = "seconds"
-    authentication = "SCRAM"
-    username = "stats_user"
-    password = "@z^VFhN7q%vzit"
+    dsn = "mongodb://stats_user:%40z%5EVFhN7q%25vzit@192.168.86.120:27017/?authSource=statistics"
+    database = "statistics"
+    granularity = "seconds"