fix: install dynamic plugins in an ephemeral generic volume by default

charts/backstage/Chart.yaml

@@ -41,4 +41,4 @@ sources:
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 2.10.2
+version: 2.10.3

charts/backstage/README.md

@@ -2,7 +2,7 @@
 # Janus-IDP Backstage Helm Chart
 
 [![Artifact Hub](https://img.shields.io/endpoint?url=https://artifacthub.io/badge/repository/janus-idp&style=flat-square)](https://artifacthub.io/packages/search?repo=janus-idp)
-![Version: 2.10.2](https://img.shields.io/badge/Version-2.10.2-informational?style=flat-square)
+![Version: 2.10.3](https://img.shields.io/badge/Version-2.10.3-informational?style=flat-square)
 ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square)
 
 A Helm chart for deploying a Backstage application
@@ -153,7 +153,8 @@ Kubernetes: `>= 1.19.0-0`
 | route.tls.termination | Specify TLS termination. | string | `"edge"` |
 | route.wildcardPolicy | Wildcard policy if any for the route. Currently only 'Subdomain' or 'None' is allowed. | string | `"None"` |
 | upstream | Upstream Backstage [chart configuration](https://github.com/backstage/charts/blob/main/charts/backstage/values.yaml) | object | Use Openshift compatible settings |
-| upstream.backstage.extraVolumes[0] | Ephemeral volume that will contain the dynamic plugins installed by the initContainer below at start. To have more control on underlying storage, the [emptyDir](https://docs.openshift.com/container-platform/4.13/storage/understanding-ephemeral-storage.html) could be changed to a [generic ephemeral volume](https://docs.openshift.com/container-platform/4.13/storage/generic-ephemeral-vols.html#generic-ephemeral-vols-procedure_generic-ephemeral-volumes). | object | `{"emptyDir":{},"name":"dynamic-plugins-root"}` |
+| upstream.backstage.extraVolumes[0] | Ephemeral volume that will contain the dynamic plugins installed by the initContainer below at start. | object | `{"ephemeral":{"volumeClaimTemplate":{"spec":{"accessModes":["ReadWriteOnce"],"resources":{"requests":{"storage":"1Gi"}}}}},"name":"dynamic-plugins-root"}` |
+| upstream.backstage.extraVolumes[0].ephemeral.volumeClaimTemplate.spec.resources.requests.storage | Size of the volume that will contain the dynamic plugins. It should be large enough to contain all the plugins. | string | `"1Gi"` |
 | upstream.backstage.initContainers[0].image | Image used by the initContainer to install dynamic plugins into the `dynamic-plugins-root` volume mount. It could be replaced by a custom image based on this one. | string | `quay.io/janus-idp/backstage-showcase:latest` |
 
 ## Opinionated Backstage deployment

charts/backstage/values.yaml

@@ -103,10 +103,16 @@ upstream:
         mountPath: /opt/app-root/src/dynamic-plugins-root
     extraVolumes:
       # -- Ephemeral volume that will contain the dynamic plugins installed by the initContainer below at start.
-      # To have more control on underlying storage, the [emptyDir](https://docs.openshift.com/container-platform/4.13/storage/understanding-ephemeral-storage.html)
-      # could be changed to a [generic ephemeral volume](https://docs.openshift.com/container-platform/4.13/storage/generic-ephemeral-vols.html#generic-ephemeral-vols-procedure_generic-ephemeral-volumes).
       - name: dynamic-plugins-root
-        emptyDir: {}
+        ephemeral:
+          volumeClaimTemplate:
+            spec:
+              accessModes:
+                - ReadWriteOnce
+              resources:
+                requests:
+                  # -- Size of the volume that will contain the dynamic plugins. It should be large enough to contain all the plugins.
+                  storage: 1Gi
 
       # Volume that will expose the `dynamic-plugins.yaml` file from the `dynamic-plugins` config map.
       # The `dynamic-plugins` config map is created by the helm chart from the content of the `global.dynamic` field.