Glances don't send hostname (tag) to influxdb2

glances/exports/glances_influxdb2.py

@@ -20,6 +20,7 @@
 """InfluxDB (from to InfluxDB 1.8+) interface class."""
 
 import sys
+from platform import node
 
 from glances.logger import logger
 from glances.exports.glances_export import GlancesExport
@@ -56,6 +57,9 @@ class Export(GlancesExport):
         if not self.export_enable:
             sys.exit(2)
 
+        # The hostname is always add as a tag
+        self.hostname = node().split('.')[0]
+
         # Init the InfluxDB client
         self.client = self.init()