Set up nightly backup schedule if s3 backup storage is enabled

ansible/roles/apps/templates/settings/velero.yaml

@@ -97,23 +97,22 @@ restic:
   privileged: true
 
 # Backup schedules to create.
-# Eg:
-# schedules:
-#   mybackup:
-#     schedule: "0 0 * * *"
-#     template:
-#       ttl: "240h"
-#       includedNamespaces:
-#        - foo
+{% if backup.s3.enabled %}
+schedules:
+  # This is just a name, can be anything.
+  nightly:
+    # Every night at 3:30.
+    schedule: "30 3 * * *"
+    template:
+      # Backups are stored for 60 days.
+      ttl: "60d"
+      includedNamespaces:
+      # We include all namespaces.
+      - '*'
+{% else %}
+# There is no point in setting a backup schedule as we haven't configured a
+# storage location.
 schedules: {}
+{% endif %}
 
-# Velero ConfigMaps.
-# Eg:
-# configMaps:
-#   restic-restore-action-config:
-#     labels:
-#       velero.io/plugin-config: ""
-#       velero.io/restic: RestoreItemAction
-#     data:
-#       image: velero/velero-restic-restore-helper:v1.4.0
 configMaps: {}