Switch from a cron to curator

Instead of running curl in a cron, switch to the logstash::curator class
that runs a slightly more intelligent script with logging in /var/log.

Change-Id: Iba3c0726b789dcbcf58f2da071e6fa93d4cd67ae
Depends-On: Ic49c8649a0ad849a8d72900425e589e40b82a37f

modules/openstack_project/manifests/elasticsearch_node.pp

@@ -51,6 +51,7 @@ class openstack_project::elasticsearch_node (
   }
 
   cron { 'delete_old_es_indices':
+    ensure      => 'absent',
     user        => 'root',
     hour        => '2',
     minute      => '0',
@@ -58,4 +59,8 @@ class openstack_project::elasticsearch_node (
     environment => 'PATH=/usr/bin:/bin:/usr/sbin:/sbin',
   }
 
+  class { 'logstash::curator':
+    keep_for_days  => '10',
+  }
+
 }