[VOL-4763] Adding voltha-go-controller and redis helm charts

Change-Id: I21ce624f359989e814c4475cc5e18672fd16c795
diff --git a/redis/templates/metrics-prometheus.yaml b/redis/templates/metrics-prometheus.yaml
new file mode 100644
index 0000000..6bfe719
--- /dev/null
+++ b/redis/templates/metrics-prometheus.yaml
@@ -0,0 +1,53 @@
+# Copyright 2022-present Open Networking Foundation
+#
+# 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.
+
+{{- if and (.Values.metrics.enabled) (.Values.metrics.serviceMonitor.enabled) }}
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: {{ template "redis.fullname" . }}
+  {{- if .Values.metrics.serviceMonitor.namespace }}
+  namespace: {{ .Values.metrics.serviceMonitor.namespace }}
+  {{- else }}
+  namespace: {{ .Release.Namespace | quote }}
+  {{- end }}
+  labels:
+    app: {{ template "redis.name" . }}
+    chart: {{ template "redis.chart" . }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
+    {{- range $key, $value := .Values.metrics.serviceMonitor.selector }}
+    {{ $key }}: {{ $value | quote }}
+    {{- end }}
+spec:
+  endpoints:
+  - port: metrics
+    {{- if .Values.metrics.serviceMonitor.interval }}
+    interval: {{ .Values.metrics.serviceMonitor.interval }}
+    {{- end }}
+    {{- if .Values.metrics.serviceMonitor.relabelings }}
+    relabelings: {{- include "common.tplvalues.render" ( dict "value" .Values.metrics.serviceMonitor.relabelings "context" $) | nindent 6 }}
+    {{- end }}
+    {{- if .Values.metrics.serviceMonitor.metricRelabelings }}
+    metricRelabelings: {{- include "common.tplvalues.render" ( dict "value" .Values.metrics.serviceMonitor.metricRelabelings "context" $) | nindent 6 }}
+    {{- end }}
+  selector:
+    matchLabels:
+      app: {{ template "redis.name" . }}
+      release: {{ .Release.Name }}
+      app.kubernetes.io/component: "metrics"
+  namespaceSelector:
+    matchNames:
+    - {{ .Release.Namespace }}
+{{- end -}}