Add redis.storageClassName to permit an override of the storage class (#50)

K8s/helm/README.md

@@ -93,3 +93,4 @@ $ helm install robot-shop --set openshift=true helm
 | openshift        | false | boolean | If OpenShift additional configuration is applied. |
 | payment.gateway  | null | string | External URL end-point to simulate partial/3rd party traces. |
 | psp.enabled      | false | boolean | Enable Pod Security Policy for clusters with a PSP Admission controller |
+| redis.storageClassName | standard | string | Storage class to use with Redis's StatefulSet. The default for EKS is gp2. |

K8s/helm/templates/redis-statefulset.yaml

@@ -41,7 +41,7 @@ spec:
       spec:
         accessModes: [ "ReadWriteOnce" ]
         {{ if not .Values.openshift }}
-        storageClassName: standard
+        storageClassName: {{ .Values.redis.storageClassName }}
         volumeMode: Filesystem
         {{ end }}
         resources:

K8s/helm/values.yaml

@@ -28,3 +28,6 @@ nodeport: false
 # "special" Openshift. Set to true when deploying to any openshift flavour
 openshift: false
 
+# Storage class to use with redis statefulset.
+redis:
+  storageClassName: standard