[VOL-5506] Enable grpc stats

Change-Id: I106d78d29a637065aca3d825164ec2ae6ff84003
Signed-off-by: Abhay Kumar <abhay.kumar@radisys.com>
diff --git a/voltha-go-controller/Chart.yaml b/voltha-go-controller/Chart.yaml
index 5e69cd1..7c0e916 100644
--- a/voltha-go-controller/Chart.yaml
+++ b/voltha-go-controller/Chart.yaml
@@ -20,13 +20,13 @@
 # -----------------------------------------------------------------------
 
 # appVersion refers to release version of voltha-go-controller
-appVersion: "0.1.7"
+appVersion: "0.1.14"
 
 description: A Helm chart for Kubernetes
 name: voltha-go-controller
 
 ## Chart version for package voltha-go-controller
 ##   Increment when Chart.yaml changes
-version: "2.15.0"
+version: "2.15.1"
 
 # [EOF]
diff --git a/voltha-go-controller/templates/service.yaml b/voltha-go-controller/templates/service.yaml
index 7c2adb3..612537a 100644
--- a/voltha-go-controller/templates/service.yaml
+++ b/voltha-go-controller/templates/service.yaml
@@ -15,15 +15,31 @@
 apiVersion: v1
 kind: Service
 metadata:
+  annotations:
+    meta.helm.sh/release-name: "{{ .Values.fullNameOverride }}-{{ .Chart.Name }}"
+    meta.helm.sh/release-namespace: "{{ .Release.Namespace }}"
+  labels:
+    app.kubernetes.io/managed-by: {{ quote .Release.Service }}
+    app.kubernetes.io/name: "{{ .Chart.Name }}"
+    app.kubernetes.io/part-of: "voltha"
+    app.kubernetes.io/stack: "{{ .Values.global.stack_name }}"
+    app: "{{ .Chart.Name }}"
+    release: "{{ .Release.Name }}"
   name: "{{ tpl .Values.voltha_go_controller.endpoints.address . }}"
   namespace: {{ .Release.Namespace }}
 spec:
   ports:
   - name: of
     port: {{ .Values.voltha_go_controller.ofPort }}
+    protocol: TCP
     targetPort: {{ .Values.voltha_go_controller.ofPort }}
   - name: ui
     port: {{ .Values.voltha_go_controller.uiPort }}
+    protocol: TCP
     targetPort: {{ .Values.voltha_go_controller.uiPort }}
+  - name: promserver
+    port: 8081
+    protocol: TCP
+    targetPort: 8081
   selector:
     app: "{{ .Chart.Name }}"
diff --git a/voltha-go-controller/templates/servicemonitor.yaml b/voltha-go-controller/templates/servicemonitor.yaml
new file mode 100644
index 0000000..4f07f7a
--- /dev/null
+++ b/voltha-go-controller/templates/servicemonitor.yaml
@@ -0,0 +1,42 @@
+# Copyright 2022-2023 Open Networking Foundation (ONF) and the ONF Contributors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+---
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  annotations:
+    meta.helm.sh/release-name: "{{ .Values.fullNameOverride }}-{{ .Chart.Name }}"
+    meta.helm.sh/release-namespace: "{{ .Release.Namespace }}"
+  labels:
+    app.kubernetes.io/managed-by: {{ quote .Release.Service }}
+    app.kubernetes.io/name: "{{ .Chart.Name }}"
+    app.kubernetes.io/part-of: "voltha"
+    app.kubernetes.io/stack: "{{ .Values.global.stack_name }}"
+    app: "{{ .Chart.Name }}"
+    release: "{{ .Release.Name }}"
+  name: "{{ .Release.Name }}"
+  namespace: "{{ .Release.Namespace }}"
+spec:
+  endpoints:
+  - interval: 15s
+    path: /metrics
+    port: promserver
+  namespaceSelector:
+    matchNames:
+    - "voltha"
+  selector:
+    matchLabels:
+      app: "{{ .Chart.Name }}"
+      release: "{{ .Release.Name }}"
+
diff --git a/voltha-go-controller/values.yaml b/voltha-go-controller/values.yaml
index d362c2d..0be450a 100644
--- a/voltha-go-controller/values.yaml
+++ b/voltha-go-controller/values.yaml
@@ -16,6 +16,9 @@
 # This is a YAML-formatted file.
 # Declare variables to be passed into your templates.
 
+nameOverride: ~
+fullNameOverride: ~
+
 global:
   stack_name: voltha
   log_level: "WARN"
@@ -47,8 +50,6 @@
     pullPolicy: '{{ .Values.global.image_pullPolicy | default "Always" }}'
 
 imagePullSecrets: []
-nameOverride: ""
-fullnameOverride: ""
 
 serviceAccount:
   # Specifies whether a service account should be created