updating when syntax.

playbooks/roles/elasticsearch/tasks/main.yml

@@ -5,14 +5,14 @@
 
 - name: download elasticsearch
   get_url: url={{ elastic_search_url }} dest=/var/tmp/{{ elastic_search_file }}
-  when_failed: $es_present
+  when: es_present|failed
   tags:
     - elasticsearch
     - install
 
 - name: install elasticsearch from local package
   shell: executable=/bin/bash dpkg -i /var/tmp/elasticsearch-${elastic_search_version}.deb
-  when_failed: $es_present
+  when: es_present:failed
   tags:
     - elasticsearch
     - install