fix(cronjob): Make command of cronjob container configurable (#708)

This allows to run it without root permissions by using a while-true-script
over cron (cron needs root permissions for the impersonation).

Signed-off-by: Martin Kirchner <[email protected]>
Co-authored-by: Martin Kirchner <[email protected]>

Author: MartinKirchner

charts/nextcloud/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v2
 name: nextcloud
-version: 6.6.6
+version: 6.6.7
 # renovate: image=docker.io/library/nextcloud
 appVersion: 30.0.6
 description: A file sharing server that puts the control and security of your own data back into your hands.

charts/nextcloud/README.md

@@ -190,6 +190,7 @@ The following table lists the configurable parameters of the nextcloud chart and
 | `redis.global.storageClass`                                 | PVC Storage Class  for both Redis® master and replica Persistent Volumes                        | `''`                       |
 | `redis.master.persistence.enabled`                          | Enable persistence on Redis® master nodes using Persistent Volume Claims                        | `true`                     |
 | `redis.replica.persistence.enabled`                         | Enable persistence on Redis® replica nodes using Persistent Volume Claims                       | `true`                     |
+| `cronjob.command`                                           | The command the cronjob container executes                                                          | `/cron.sh`                 |
 | `cronjob.enabled`                                           | Whether to enable/disable cron jobs sidecar                                                         | `false`                    |
 | `cronjob.lifecycle.postStartCommand`                        | Specify deployment lifecycle hook postStartCommand for the cron jobs sidecar                        | `nil`                      |
 | `cronjob.lifecycle.preStopCommand`                          | Specify deployment lifecycle hook preStopCommand for the cron jobs sidecar                          | `nil`                      |

charts/nextcloud/templates/deployment.yaml

@@ -253,7 +253,7 @@ spec:
           image: {{ include "nextcloud.image" . }}
           imagePullPolicy: {{ .Values.image.pullPolicy }}
           command:
-            - /cron.sh
+            {{- toYaml .Values.cronjob.command | nindent 12 }}
           {{- with .Values.cronjob.lifecycle }}
           lifecycle:
             {{- with .postStartCommand }}

charts/nextcloud/values.yaml

@@ -579,6 +579,10 @@ cronjob:
   #   runAsNonRoot: true
   #   readOnlyRootFilesystem: true
 
+  # The command the cronjob container executes.
+  command:
+  - /cron.sh
+
 service:
   type: ClusterIP
   port: 8080