bundles/cron: ensure cron is installed and running

bundles/cron/items.py

@@ -1,3 +1,10 @@
+if node.os == 'arch':
+    service_name = 'cronie'
+    package_name = 'pkg_pacman:cronie'
+else:
+    service_name = 'cron'
+    package_name = 'pkg_apt:cron'
+
 files = {
     '/etc/crontab': {
         'content_type': 'mako',
@@ -16,6 +23,14 @@ directories = {
     },
 }
 
+svc_systemd = {
+    service_name: {
+        'needs': {
+            package_name,
+        },
+    },
+}
+
 for crontab, content in node.metadata.get('cron', {}).items():
     files['/etc/cron.d/{}'.format(crontab)] = {
         'source': 'cron_template',

bundles/cron/metadata.py

@@ -0,0 +1,12 @@
+defaults = {
+    'apt': {
+        'packages': {
+            'cron': {},
+        },
+    },
+    'pacman': {
+        'packages': {
+            'cronie': {},
+        },
+    },
+}