feat(openvpn): optional service for metrics (#161)

Fixes #160

Signed-off-by: Aurora Gaffney <aurora@blinklabs.io>

Author: agaffney

charts/openvpn/Chart.yaml

@@ -4,7 +4,7 @@ description: A Helm chart for deploying OpenVPN in Kubernetes
 
 type: application
 
-version: 0.4.0
+version: 0.5.0
 
 appVersion: "0.3.0"
 

charts/openvpn/templates/service-metrics.yaml

@@ -0,0 +1,26 @@
+{{- if (and .Values.metrics.enabled .Values.metrics.service.enabled) }}
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "openvpn.fullname" . }}-metrics
+  labels:
+    {{- include "openvpn.labels" . | nindent 4 }}
+  {{- with .Values.metrics.service.annotations }}
+  annotations: {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+  type: {{ .Values.metrics.service.type }}
+  ports:
+    - port: {{ .Values.metrics.service.port }}
+      targetPort: metrics
+      {{- with .Values.metrics.service.nodePort }}
+      nodePort: {{ . }}
+      {{- end }}
+      protocol: {{ .Values.metrics.service.protocol }}
+      name: metrics
+  selector:
+    {{- include "openvpn.selectorLabels" . | nindent 4 }}
+  {{- with .Values.metrics.service.loadBalancerClass }}
+  loadBalancerClass: {{ . }}
+  {{- end }}
+{{- end }}

charts/openvpn/values.yaml

@@ -130,3 +130,11 @@ metrics:
   port: 9176
   statusFile: /var/tmp/openvpn/openvpn-status.log
   resources: {}
+  service:
+    enabled: false
+    type: ClusterIP
+    port: 9176
+    # nodePort:
+    protocol: TCP
+    annotations: {}
+    # loadBalancerClass: