add previewgenerator cronjob

kustomize/bases/nextcloud/configurations/apache-user.conf

@@ -1,2 +1,2 @@
 # Mitigate an issue with CPU starvation in photo app
-MaxRequestWorkers 50
+# MaxRequestWorkers 50

kustomize/bases/nextcloud/configurations/php-user.ini

@@ -1,3 +1,3 @@
 upload_max_filesize=2G
 post_max_size=2G
-memory_limit=2G
+memory_limit=1G

kustomize/bases/nextcloud/kustomization.yaml

@@ -3,6 +3,7 @@ resources:
   - ../redis
   - nextcloud-deployment.yaml
   - nextcloud-cronjob.yaml
+  - previewgenerator-cronjob.yaml
   - nextcloud-ingress.yaml
 
 namePrefix: nextcloud-
@@ -15,6 +16,9 @@ configMapGenerator:
     files:
       - php-user.ini=configurations/php-user.ini
       - apache-user.cfg=configurations/apache-user.conf
+  - name: cron-scripts
+    files:
+      - cron-previewgenerator.sh=scripts/cron-previewgenerator.sh
   - name: kustomize-generated-config
     literals:
       - NEXTCLOUD_EXTERNAL_HOST=cloud.badjware.dev

kustomize/bases/nextcloud/nextcloud-deployment.yaml

@@ -85,8 +85,8 @@ spec:
               cpu: 2000m
               memory: 2Gi
             limits:
-              cpu: 3000m
+              cpu: 4000m
-              memory: 3Gi
+              memory: 2Gi
           volumeMounts:
             - name: nextcloud-pv
               mountPath: /var/www/html
@@ -98,6 +98,9 @@ spec:
               mountPath: /etc/apache2/conf-enabled/apache-user.conf
               subPath: apache-user.conf
               readOnly: true
+            - name: cron-scripts
+              mountPath: /scripts
+              readOnly: true
       volumes:
         - name: nextcloud-pv
           persistentVolumeClaim:
@@ -105,6 +108,9 @@ spec:
         - name: server-config
           configMap:
             name: server-config
+        - name: cron-scripts
+          configMap:
+            name: cron-scripts
 ---
 apiVersion: v1
 kind: PersistentVolumeClaim

kustomize/bases/nextcloud/previewgenerator-cronjob.yaml

@@ -0,0 +1,35 @@
+apiVersion: batch/v1
+kind: CronJob
+metadata:
+  name: previewgenerator-cron
+  labels:
+    app.kubernetes.io/name: nextcloud
+    app.kubernetes.io/component: previewgenerator
+spec:
+  schedule: "3,13,23,33,43,53 * * * *"
+  concurrencyPolicy: Forbid
+  successfulJobsHistoryLimit: 1
+  failedJobsHistoryLimit: 1
+  jobTemplate:
+    metadata:
+      labels:
+        app.kubernetes.io/name: nextcloud
+        app.kubernetes.io/component: previewgenerator
+    spec:
+      backoffLimit: 0 # no retry
+      template:
+        metadata:
+          labels:
+            app.kubernetes.io/name: nextcloud
+            app.kubernetes.io/component: previewgenerator
+        spec:
+          restartPolicy: Never
+          serviceAccountName: server-cron
+          containers:
+          - name: run-previewgenerator-cron
+            image: bitnami/kubectl
+            imagePullPolicy: IfNotPresent
+            command: ["/bin/bash"]
+            args:
+              - -xc
+              - kubectl exec "$(kubectl get pods -l 'app.kubernetes.io/component=server' -o name)" -- /bin/bash -c '( if ! which sudo &>/dev/null; then apt update && apt install sudo; fi ) && sudo -u www-data bash -x /scripts/cron-previewgenerator.sh'

kustomize/bases/nextcloud/scripts/cron-previewgenerator.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+php -f /var/www/html/occ config:app:set --value="32 64 256 1024 1920"  previewgenerator squareSizes &&
+php -f /var/www/html/occ config:app:set --value="64 128 1024 1080 2030" previewgenerator widthSizes &&
+php -f /var/www/html/occ config:app:set --value="64 256 1024 1080 1920" previewgenerator heightSizes &&
+php -f /var/www/html/occ preview:pre-generate -vvv

kustomize/bases/postgres/postgres-statefulset.yaml

@@ -41,10 +41,10 @@ spec:
               containerPort: 5432
           resources:
             requests:
-              cpu: 500m
+              cpu: 750m
               memory: 1Gi
             limits:
-              cpu: 500m
+              cpu: 1000m
               memory: 1Gi
           volumeMounts:
             - name: postgres-pvc