From 80616f0090a32c9516c71ba9f1769ed59e103973 Mon Sep 17 00:00:00 2001
From: Nathan Fisher <nfisher@junctionbox.ca>
Date: Mon, 14 Dec 2020 18:14:31 -0500
Subject: [PATCH] Add redis.storageClassName to permit an override of the
 storage class (#50)

---
 K8s/helm/README.md                        | 1 +
 K8s/helm/templates/redis-statefulset.yaml | 2 +-
 K8s/helm/values.yaml                      | 3 +++
 3 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/K8s/helm/README.md b/K8s/helm/README.md
index 5e36064..e9fa74f 100644
--- a/K8s/helm/README.md
+++ b/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. |
diff --git a/K8s/helm/templates/redis-statefulset.yaml b/K8s/helm/templates/redis-statefulset.yaml
index ddb4002..ef6e59a 100644
--- a/K8s/helm/templates/redis-statefulset.yaml
+++ b/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:
diff --git a/K8s/helm/values.yaml b/K8s/helm/values.yaml
index 80096f1..ce74bf4 100644
--- a/K8s/helm/values.yaml
+++ b/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