adding task to update /etc/hosts if required

defaults/main.yml

@@ -37,6 +37,8 @@ domain: "localdomain"
 zmpasswd: "!23Change"
 zmnetwork: "192.168.200.0/8"
 timezone: UTC
+#hosts_lines:
+#  - "198.162.1.3 {{ hostname }}.{{ domain }} {{ hostname }}" 
 
 #
 # Zimbra configuration

tasks/install/zimbra.yml

@@ -2,6 +2,15 @@
 #
 # Download and install Zimbra OSE
 ################################################################################
+
+- name: Update /etc/hosts
+  lineinfile:
+    path: /etc/hosts 
+    line: "{{ item }}" 
+    state: present
+  with_items: "{{ hosts_lines }}"
+  when: hosts_lines is defined
+  
 - name: Download and unpacking Zimbra OSE
   unarchive:
     validate_certs: no