allow setting readOnly on customStorage and limit permissionsmounts (#357)

* alles setting readOnly on customStorage

* update common version and example

* fix a typo

* Limit volume mounting for permission fix to relevant volumes.

library/common-test/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v2
 kubeVersion: ">=1.16.0-0"
 name: common-test
-version: 2.1.3
+version: 2.1.4
 # upstream_version:
 appVersion: none
 description: Helper chart to test different use cases of the common library

library/common-test/values.yaml

@@ -55,7 +55,6 @@ additionalIngress:
     enabled: true
 
 # these values and names are set specifically with the unittests in mind.
-fixMountPermissions: false
 deviceMounts:
   test1:
     enabled: true

library/common/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v2
 kubeVersion: ">=1.16.0-0"
 name: common
-version: 3.0.4
+version: 3.5.0
 # upstream_version:
 appVersion: none
 description: Function library for TrueCharts

library/common/templates/lib/controller/_volumeMounts.tpl

@@ -37,6 +37,9 @@ Volumes included by the controller.
   {{ if $csm.subPath }}
   subPath: {{ $csm.subPath }}
   {{ end }}
+  {{ if $csm.readOnly }}
+  readOnly: {{ $csm.readOnly }}
+  {{ end }}
 {{- end -}}
 {{ end }}
 

library/common/templates/lib/storage/_mountPermissions.tpl

@@ -40,11 +40,40 @@ spec:
           #securityContext:
           #
           volumeMounts:
-            {{- include "common.controller.volumeMounts" . | indent 12 }}
-      {{- with (include "common.controller.volumes" . | trim) }}
+          {{ range $name, $csm := .Values.customStorage }}
+          {{- if $csm.enabled -}}
+          {{- if $csm.setPermissions -}}
+          {{ if $csm.name }}
+            {{ $name = $csm.name }}
+          {{ end }}
+          - name: customstorage-{{ $name }}
+            mountPath: {{ $csm.mountPath }}
+            {{ if $csm.subPath }}
+            subPath: {{ $csm.subPath }}
+            {{ end }}
+            {{ if $csm.readOnly }}
+            readOnly: {{ $csm.readOnly }}
+            {{ end }}
+          {{- end -}}
+          {{- end -}}
+          {{ end }}
       volumes:
-        {{- . | nindent 8 }}
-      {{- end }}
+      {{- range $name, $cs := .Values.customStorage -}}
+      {{ if $cs.enabled }}
+      {{ if $cs.setPermissions }}
+      {{ if $cs.name }}
+      {{ $name = $cs.name }}
+      {{ end }}
+      - name: customstorage-{{ $name }}
+        {{ if $cs.emptyDir }}
+        emptyDir: {}
+        {{- else -}}
+        hostPath:
+          path: {{ required "hostPath not set" $cs.hostPath }}
+        {{ end }}
+      {{ end }}
+      {{ end }}
+      {{- end -}}
 
 
 {{- end }}

library/common/values.yaml

@@ -310,4 +310,5 @@ fixMountPermissions: true
 #     mountPath: "/data"
 #     subPath: some-subpath
 #     hostPath: ""
+#     readOnly: false
 #     setPermissions: true