[stable/ghost] Fix 'storageClass' macros (#16539)

* Fix 'storageClass' macros

Signed-off-by: Alejandro Moreno <amoreno@bitnami.com>

* Bump chart version (fix storageclass)

Signed-off-by: Alejandro Moreno <amoreno@bitnami.com>

* Update MariaDB dependency

Signed-off-by: juan131 <juan@bitnami.com>

* Rebase master

Signed-off-by: juan131 <juan@bitnami.com>

stable/ghost/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 name: ghost
-version: 7.1.2
+version: 7.1.3
 appVersion: 2.29.0
 description: A simple, powerful publishing platform that allows you to share your stories with the world
 keywords:

stable/ghost/requirements.lock

@@ -1,6 +1,6 @@
 dependencies:
 - name: mariadb
   repository: https://kubernetes-charts.storage.googleapis.com/
-  version: 6.8.1
+  version: 6.8.2
 digest: sha256:234702bf5dbec8956e4f113b783db5559f7d3cbf60abf8a89c7a3c73b3c79c5c
-generated: 2019-08-21T16:44:53.973158451Z
+generated: "2019-08-22T19:18:12.382202+02:00"

stable/ghost/templates/_helpers.tpl

@@ -156,25 +156,25 @@ but Helm 2.9 and 2.10 does not support it, so we need to implement this if-else
 {{- if .Values.global -}}
     {{- if .Values.global.storageClass -}}
         {{- if (eq "-" .Values.global.storageClass) -}}
-            {{- printf "\"\"" -}}
+            {{- printf "storageClassName: \"\"" -}}
         {{- else }}
-            {{- printf "%s" .Values.global.storageClass -}}
+            {{- printf "storageClassName: %s" .Values.global.storageClass -}}
         {{- end -}}
     {{- else -}}
         {{- if .Values.persistence.storageClass -}}
               {{- if (eq "-" .Values.persistence.storageClass) -}}
-                  {{- printf "\"\"" -}}
+                  {{- printf "storageClassName: \"\"" -}}
               {{- else }}
-                  {{- printf "%s" .Values.persistence.storageClass -}}
+                  {{- printf "storageClassName: %s" .Values.persistence.storageClass -}}
               {{- end -}}
         {{- end -}}
     {{- end -}}
 {{- else -}}
     {{- if .Values.persistence.storageClass -}}
         {{- if (eq "-" .Values.persistence.storageClass) -}}
-            {{- printf "\"\"" -}}
+            {{- printf "storageClassName: \"\"" -}}
         {{- else }}
-            {{- printf "%s" .Values.persistence.storageClass -}}
+            {{- printf "storageClassName: %s" .Values.persistence.storageClass -}}
         {{- end -}}
     {{- end -}}
 {{- end -}}

stable/ghost/templates/pvc.yaml

@@ -14,5 +14,5 @@ spec:
   resources:
     requests:
       storage: {{ .Values.persistence.size | quote }}
-  storageClassName: {{ include "ghost.storageClass" . }}
+  {{ include "ghost.storageClass" . }}
 {{- end -}}