added discards to error panels. POL1-509

brian_dashboard_manager/templating/helpers.py

@@ -250,7 +250,9 @@ def get_panel_fields(panel, panel_type, datasource):
         }
 
     error_fields = [('Ingress Errors', 'errorsIn'),
-                    ('Egress Errors', 'errorsOut')]
+                    ('Egress Errors', 'errorsOut'),
+                    ('Ingress Discards', 'discardsIn'),
+                    ('Egress Discards', 'discardsOut')]
 
     ingress = ['Ingress Traffic', 'Ingress 95th Percentile']
     egress = ['Egress Traffic', 'Egress 95th Percentile']