optimization attempt

* init client handler only once and not every time
* don't try to create database on every run just on the first one

influx.py

@@ -9,9 +9,10 @@ from influxdb import InfluxDBClient
 from ejabberdrpc import EjabberdMetrics
 
 
-class Influx():
-    def __init__(self, metrics):
+class Influx:
+    def __init__(self, metrics, client):
         self._metrics = metrics
+        self.client = client
 
     @staticmethod
     def _timestamp():
@@ -71,27 +72,25 @@ class Influx():
                     for k, v in ipv.items():
                         data.append(self._parse("ejabberd_online_client_ipversion", k, v, cur_ts, {"vhost": vhost, "node": node, "ipversion": k, "client": cl}))
 
-        # output
-        client = InfluxDBClient(host='localhost', port=8086)
-        
-        # test code
-        client.create_database('writetest')
-        client_write_start_time = time.perf_counter()
-        client.write_points(data, database='writetest', time_precision='ms', batch_size=10000, protocol='line')
-
-        # test code
-        client_write_end_time = time.perf_counter()
-        print("Client Library Write: {time}s".format(time=client_write_end_time - client_write_start_time))
-
+        # write output to database
+        self.client.write_points(data, database='custom', time_precision='ms', batch_size=10000, protocol='line')
 
 if __name__ == "__main__":
     with open("config.json", "r", encoding="utf-8") as f:
         login = json.load(f)
 
-    metrics = EjabberdMetrics("http://[::1]:4560", login)
-    influx = Influx(metrics)
+    # init global handler
+    metrics = EjabberdMetrics("http://localhost:4560", login)
+    client = InfluxDBClient(host='localhost', port=8086, database='custom')
+
+    # create database only once
+    client.create_database('custom')
+
+    # init influx class
+    influx = Influx(metrics, client)
 
     while True:
+        # TODO this will fail when the connection drops try except maybe?
         metrics.update()
         influx.writeMetrics()