CORD-3207 Make ONOS and Kafka service names configurable

Change-Id: I022dfce94a1d8b25662bbcc3610a4a4175804c85
diff --git a/xos-services/volt/Chart.yaml b/xos-services/volt/Chart.yaml
index b8a6777..e91e494 100644
--- a/xos-services/volt/Chart.yaml
+++ b/xos-services/volt/Chart.yaml
@@ -15,4 +15,4 @@
 
 name: volt
 description: A Helm chart for XOS's "olt-service" service
-version: 2.0.0
+version: 2.0.1
diff --git a/xos-services/volt/templates/_helpers.tpl b/xos-services/volt/templates/_helpers.tpl
index a19e6f7..c18ccb4 100644
--- a/xos-services/volt/templates/_helpers.tpl
+++ b/xos-services/volt/templates/_helpers.tpl
@@ -53,7 +53,7 @@
   password: {{ .Values.xosAdminPassword | quote }}
   endpoint: xos-core:50051
 event_bus:
-  endpoint: cord-kafka
+  endpoint: {{ .Values.kafkaService | quote }}
   kind: kafka
 logging:
   version: 1
diff --git a/xos-services/volt/values.yaml b/xos-services/volt/values.yaml
index 26b5f7e..2f1edb4 100644
--- a/xos-services/volt/values.yaml
+++ b/xos-services/volt/values.yaml
@@ -29,6 +29,8 @@
 xosAdminUser: "admin@opencord.org"
 xosAdminPassword: "letmein"
 
+kafkaService: "cord-kafka"
+
 resources: {}
 
 nodeSelector: {}