[stable/redis-ha] define prometheus exporter port in service (#14910)

* define prometheus exporter port in service

This enables prometheus-operator to work with this chart almost out-of-the box. Only a ServiceMonitor definition is necessary.

Signed-off-by: Ben Dimbeck <bd@it-agenten.com>

* bump chart version

Signed-off-by: Ben Dimbeck <bd@it-agenten.com>

stable/redis-ha/Chart.yaml

@@ -6,7 +6,7 @@ keywords:
 - redis
 - keyvalue
 - database
-version: 3.5.0
+version: 3.5.1
 appVersion: 5.0.3
 description: Highly available Kubernetes implementation of Redis
 icon: https://upload.wikimedia.org/wikipedia/en/thumb/6/6b/Redis_Logo.svg/1200px-Redis_Logo.svg.png

stable/redis-ha/templates/redis-ha-service.yaml

@@ -20,6 +20,12 @@ spec:
     port: {{ .Values.sentinel.port }}
     protocol: TCP
     targetPort: sentinel
+{{- if .Values.exporter.enabled }}
+  - name: exporter-port
+    port: {{ .Values.exporter.port }}
+    protocol: TCP
+    targetPort: exporter-port
+{{- end }}
   selector:
     release: {{ .Release.Name }}
     app: {{ template "redis-ha.name" . }}