use ssl on nodes that support it

salt/curator/files/curator.yml

@@ -12,11 +12,11 @@ client:
     - {{elasticsearch}}
   port: 9200
   url_prefix:
-  use_ssl: False
+{% if grains['role'] in ['so-node', 'so-heavynode'] %}  use_ssl: True{% else %}  use_ssl: False{% endif %}
   certificate:
   client_cert:
   client_key:
-  ssl_no_validate: False
+{% if grains['role'] in ['so-node', 'so-heavynode'] %}  ssl_no_validate: True{% else %}  ssl_no_validate: False{% endif %}
   http_auth:
   timeout: 30
   master_only: False