[stable/mediawiki] Allow configuration of svc spec.loadBalancerIP (#5412)

* Allow configuration of svc spec.loadBalancerIP

* Bump version number

stable/mediawiki/Chart.yaml

@@ -1,5 +1,5 @@
 name: mediawiki
-version: 1.0.2
+version: 1.0.3
 appVersion: 1.30.0
 description: Extremely powerful, scalable software and a feature-rich wiki implementation
   that uses PHP to process and display data stored in a database.

stable/mediawiki/templates/svc.yaml

@@ -9,6 +9,9 @@ metadata:
     heritage: "{{ .Release.Service }}"
 spec:
   type: {{ .Values.serviceType }}
+  {{ if .Values.serviceLoadBalancerIP -}}
+  loadBalancerIP: {{ .Values.serviceLoadBalancerIP }}
+  {{ end -}}
   ports:
   - name: http
     port: 80

stable/mediawiki/values.yaml

@@ -117,7 +117,11 @@ mariadb:
 ## Kubernetes configuration
 ## For minikube, set this to NodePort, elsewhere use LoadBalancer
 ##
+## Use serviceLoadBalancerIP to request a specific static IP,
+## otherwise leave blank
+##
 serviceType: LoadBalancer
+# serviceLoadBalancerIP:
 
 ## Enable persistence using Persistent Volume Claims
 ## ref: http://kubernetes.io/docs/user-guide/persistent-volumes/