DCD-224: Add role for common product tasks.

aws_jira_dc_node.yml

@@ -1,6 +1,11 @@
 ---
 - hosts: all
   become: true
+
+  vars:
+    product_user: jira
+
   roles:
     - aws_linux2_base
     - aws_linux2_java
+    - product_base

roles/product_base/tasks/main.yml

@@ -0,0 +1,6 @@
+---
+
+- name: Create product user
+  user:
+    name: "{{ product_user }}"
+    comment: "Product runtime user"