Ensure python components

tasks/purge.yml

 ---
 # file: roles/elasticsearch/tasks/purge.yml
 
+- name: "Ensure Python Components"
+  pip:
+    name: '{{ item }}'
+    state: 'present'
+  with_items:
+    - 'python-dateutil'
+
 - name: "Copy script"
   copy:
     src: 'purge.py'