[stable/mediawiki] Add global StorageClass to mediawiki (#16414)

Signed-off-by: Miguel A. Cabrera Minagorri <macabrera@bitnami.com>

stable/mediawiki/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 name: mediawiki
-version: 8.0.1
+version: 8.1.0
 appVersion: 1.33.0
 description: Extremely powerful, scalable software and a feature-rich wiki implementation that uses PHP to process and display data stored in a database.
 home: http://www.mediawiki.org/

stable/mediawiki/README.md

@@ -51,6 +51,7 @@ The following table lists the configurable parameters of the MediaWiki chart and
 |--------------------------------------|-------------------------------------------------------------|---------------------------------------------------------|
 | `global.imageRegistry`               | Global Docker image registry                                | `nil`                                                   |
 | `global.imagePullSecrets`            | Global Docker registry secret names as an array             | `[]` (does not add image pull secrets to deployed pods) |
+| `global.storageClass`                     | Global storage class for dynamic provisioning                                               | `nil`                                                        |
 | `image.registry`                     | MediaWiki image registry                                    | `docker.io`                                             |
 | `image.repository`                   | MediaWiki Image name                                        | `bitnami/mediawiki`                                     |
 | `image.tag`                          | MediaWiki Image tag                                         | `{TAG_NAME}`                                            |

stable/mediawiki/templates/_helpers.tpl

@@ -118,3 +118,23 @@ imagePullSecrets:
 {{- end }}
 {{- end -}}
 {{- end -}}
+
+{{/*
+Return  the proper Storage Class
+*/}}
+{{- define "mediawiki.storageClass" -}}
+{{- $storageClass := "" }}
+{{- if .Values.persistence.storageClass -}}
+    {{- $storageClass = .Values.persistence.storageClass -}}
+{{- end -}}
+{{- if .Values.global -}}
+    {{- if .Values.global.storageClass -}}
+        {{- $storageClass = .Values.global.storageClass -}}
+    {{- end -}}
+{{- end -}}
+{{- if (eq "-" $storageClass) -}}
+    {{- printf "\"\"" -}}
+{{- else }}
+    {{- printf "%s" $storageClass -}}
+{{- end -}}
+{{- end -}}

stable/mediawiki/templates/mediawiki-pvc.yaml

@@ -14,11 +14,5 @@ spec:
   resources:
     requests:
       storage: {{ .Values.persistence.size | quote }}
-{{- if .Values.persistence.storageClass }}
-{{- if (eq "-" .Values.persistence.storageClass) }}
-  storageClassName: ""
-{{- else }}
-  storageClassName: {{ .Values.persistence.storageClass | quote }}
-{{- end }}
-{{- end }}
+  storageClassName: {{ include "mediawiki.storageClass" . }}
 {{- end -}}

stable/mediawiki/values.yaml

@@ -6,6 +6,7 @@
 #   imageRegistry: myRegistryName
 #   imagePullSecrets:
 #     - myRegistryKeySecretName
+#   storageClass: myStorageClass
 
 ## Bitnami DokuWiki image version
 ## ref: https://hub.docker.com/r/bitnami/mediawiki/tags/