AETHER-2846 Support all parameters which lists in Aether Docs

AETHER-2847 Integrating with Prometheus and record eNB information
AETHER-2848 Move SAS configuration as enodeb base, not plugin in driver code
AETHER-2879 add gps information in prometheus
AETHER-2880 add ip and port as configurable parameter in enodebd
AETHER-2897 Firmware update feature over CWMP
AETHER-3022 Integrate firmware upgrade state into configuration workflow
AETHER-3120 Develop ACS state machine with firmware upgrade feature

Change-Id: I0bcbf2229ba3c1638f2a997f3c651f8d6240145d
diff --git a/metrics.py b/metrics.py
index 90c4b4f..877c4d9 100644
--- a/metrics.py
+++ b/metrics.py
@@ -54,6 +54,10 @@
     'enodeb_reboots',
     'ENodeB reboots by enodebd', ['cause'],
 )
+STAT_ENODEB_LAST_CONFIGURED = Gauge(
+    'enodeb_last_configured',
+    'Information of configured eNodeB', ['serial_number', 'ip_address', 'gps_lat', 'gps_lon']
+)
 
 # Metrics that are accumulated by eNodeB. Use gauges to avoid 'double-counting',
 # since eNodeB does accumulation.