Resolve "KPI Management Enhancements"

Closes #176 (closed) and #178 (closed)

src/kpi_value_api/service/KpiValueApiServiceServicerImpl.py

@@ -32,7 +32,7 @@ from kpi_manager.client.KpiManagerClient import KpiManagerClient
 
 LOGGER       = logging.getLogger(__name__)
 METRICS_POOL = MetricsPool('KpiValueAPI', 'NBIgRPC')
-PROM_URL     = "http://localhost:9090"
+PROM_URL     = "http://prometheus-k8s.monitoring.svc.cluster.local:9090"    # TODO: updated with the env variables
 
 class KpiValueApiServiceServicerImpl(KpiValueAPIServiceServicer):
     def __init__(self):
@@ -79,7 +79,8 @@ class KpiValueApiServiceServicerImpl(KpiValueAPIServiceServicer):
         prom_response = []
         for start_time, end_time in zip(start_timestamps, end_timestamps):
             for metric in metrics:
-                # print(start_time, end_time, metric)
+                print(start_time, end_time, metric)
+                LOGGER.debug(">>> Query: {:}".format(metric))
                 prom_response.append(
                     prom_connect.custom_query_range(
                     query      = metric,        # this is the metric name and label config