chronos umbrella: prometheus service should be independent of deployment name (#AETHER-2922)

Change-Id: Ie6ea23786e1416a79d268d811a8f0efc8753fcb7
diff --git a/chronos-umbrella/values.yaml b/chronos-umbrella/values.yaml
index b16d060..77e1eef 100644
--- a/chronos-umbrella/values.yaml
+++ b/chronos-umbrella/values.yaml
@@ -32,6 +32,7 @@
 grafana:

   image:

     tag: 8.1.8

+  fullnameOverride: chronos-grafana

   adminPassword: admin@123

   sidecar:

     dashboards:

@@ -45,7 +46,7 @@
   source:

   - name: chronos

     protocol: http

-    service: chronos-umbrella-prometheus-chronos-server

+    service: chronos-prometheus-chronos-server

     port: 80

   grafana.ini:

     log:

@@ -96,6 +97,7 @@
   server:

     persistentVolume:

       enabled: false

+    fullnameOverride: chronos-prometheus-chronos-server

   pushgateway:

     enabled: false

   nodeExporter: