[oauth2-proxy] add optional service annotations (#4815)

* [oauth2-proxy] add optional service annotations

* increment oauth2-proxy chart version

stable/oauth2-proxy/Chart.yaml

@@ -1,5 +1,5 @@
 name: oauth2-proxy
-version: 0.3.0
+version: 0.4.0
 apiVersion: v1
 appVersion: 2.2
 home: http://www.videntity.com/

stable/oauth2-proxy/templates/service.yaml

@@ -7,6 +7,10 @@ metadata:
     release: {{ .Release.Name }}
     heritage: {{ .Release.Service }}
   name: {{ template "oauth2-proxy.fullname" . }}
+{{- if .Values.service.annotations }}
+  annotations:
+{{ toYaml .Values.service.annotations | indent 4 }}
+{{- end }}
 spec:
   type: {{ .Values.service.type }}
   ports:

stable/oauth2-proxy/values.yaml

@@ -32,6 +32,8 @@ extraArgs:
 service:
   type: ClusterIP
   port: 80
+  annotations: {}
+  # foo.io/bar: "true"
 
 ingress:
   enabled: false