Prometheus integration broken with latest prometheus_client #1397

NEWS

@@ -25,6 +25,7 @@ Bugs corrected:
     * Getting an error when running with prometheus exporter #1469
     * Stack trace when starts Glances on CentOS #1470
     * UnicodeEncodeError: 'ascii' codec can't encode character u'\u25cf' - Raspbian stretch #1483
+    * Prometheus integration broken with latest prometheus_client #1397
 
 Others:
 

conf/glances.conf

@@ -469,7 +469,7 @@ prefix=G
 host=localhost
 port=9091
 #prefix=glances
-labels=system:`uname -s`
+labels=src:glances
 
 [restful]
 # Configuration for the --export RESTful option

glances/exports/glances_prometheus.py

@@ -41,8 +41,8 @@ class Export(GlancesExport):
 
         # Load the Prometheus configuration file section
         self.export_enable = self.load_conf('prometheus',
-                                            mandatories=['host', 'port'],
-                                            options=['prefix', 'labels'])
+                                            mandatories=['host', 'port', 'labels'],
+                                            options=['prefix'])
         if not self.export_enable:
             sys.exit(2)