erp5.zeo: make backup periodicity configurable

software/erp5/instance-zeo-input-schema.json

@@ -14,6 +14,11 @@
       "description": "Controls ZODB backup generation and retention (disabled if null)",
       "default": {},
       "properties": {
+        "periodicity": {
+          "description": "When to backup, specified in the same format as for systemd.time(7) calendar events (years & seconds not supported, DoW & DoM can not be combined)",
+          "default": "daily",
+          "type": "string",
+        },
         "zodb-dict": {
           "description": "Maps an export identifier to the path it must be backed up into",
           "default": {},

stack/erp5/buildout.cfg

@@ -279,7 +279,7 @@ md5sum = 7735d535aa34dfdc18a776b80bc0ca3d
 [template-zeo]
 < = download-base
 filename = instance-zeo.cfg.in
-md5sum = 0493e0a1f59b0364f47a8093d1aac580
+md5sum = d3fe0fbf75334cd6fa11cc250ef4e1d6
 
 [template-zope]
 < = download-base

stack/erp5/instance-zeo.cfg.in

@@ -159,13 +159,12 @@ path = ${directory:promises}/tidstorage
 
 [{{ section("cron-entry-tidstorage-backup") }}]
 # TODO:
-# - configurable periodicity
 # - configurable full/incremental
 # - configurable retention
 recipe = slapos.cookbook:cron.d
 cron-entries = ${cron:cron-entries}
 name = tidstorage
-frequency = 0 0 * * *
+time = {{ tidstorage_dict.get('periodicity', 'daily') }}
 command = ${tidstorage:repozo-wrapper}
 
 [{{ section("logrotate-tidstorage") }}]