bundles/c3voc-addons: support cron definition

bundles/c3voc-addons/files/cron_template

@@ -0,0 +1 @@
+../../cron/files/cron_template

bundles/c3voc-addons/items.py

@@ -62,12 +62,15 @@ files = {
             'data': node.metadata.get('apt', {}).get('unattended-upgrades', {}),
         }
     },
-    '/etc/cron.d/upgrade-and-reboot': {
-        'content': '{minute} 1 * * {day}    root    /usr/local/sbin/upgrade-and-reboot'.format(
-            minute=node.magic_number % 30,
-            day=node.metadata.get('apt', {}).get('unattended-upgrades', {}).get('day', 5),
-        ),
-    },
+}
+
+for crontab, content in node.metadata.get('cron', {}).items():
+    files['/etc/cron.d/{}'.format(crontab)] = {
+        'source': 'cron_template',
+        'content_type': 'mako',
+        'context': {
+            'cron': content,
+        }
     }
 
 for vhost, config in node.metadata.get('nginx', {}).get('vhosts', {}).items():

bundles/c3voc-addons/metadata.py

@@ -18,6 +18,22 @@ defaults = {
 }
 
 
+@metadata_reactor.provides(
+    'cron/upgrade-and-reboot'
+)
+def patchday(metadata):
+    day = metadata.get('apt/unattended_upgrades/day', 5)
+
+    return {
+        'cron': {
+            'upgrade-and-reboot': '{minute} 1 * * {day}    root    /usr/local/sbin/upgrade-and-reboot'.format(
+                minute=node.magic_number % 30,
+                day=day,
+            ),
+        },
+    }
+
+
 @metadata_reactor.provides(
     'icinga2_api/nginx/services',
 )