Add influxdb2 manager class

This stores the data needed for InfluxDB2, and has a single `write_points` function on this that takes an array of points to add to the database

varken/influxdb2manager.py

@@ -0,0 +1,28 @@
+from sys import exit
+from logging import getLogger
+from requests.exceptions import ConnectionError
+from influxdb_client import InfluxDBClient, Point
+from influxdb_client.client.write_api import SYNCHRONOUS
+
+
+class InfluxDB2Manager(object):
+    def __init__(self, server):
+        self.server = server
+        self.logger = getLogger()
+        if self.server.url == "influxdb2.domain.tld":
+            self.logger.critical("You have not configured your varken.ini. Please read Wiki page for configuration")
+            exit()
+
+        self.influx = InfluxDBClient(url=self.server.url, token=self.server.token, org=self.server.org,
+                                    timeout=self.server.timeout, verify_ssl=self.server.verify_ssl, ssl_ca_cert=self.server.ssl)
+        self.influx_write_api = self.influx.write_api(write_options=SYNCHRONOUS)
+
+    def write_points(self, data):
+        d = data
+        self.logger.info('Writing Data to InfluxDBv2 %s', d)
+
+        try:
+            self.influx_write_api.write(bucket=self.server.bucket, record=d)
+        except (InfluxDBServerError, ConnectionError) as e:
+            self.logger.error('Error writing data to influxdb2. Dropping this set of data. '
+                              'Check your database! Error: %s', e)