Update..

roles/common/tasks/ntp.yml

@@ -0,0 +1,47 @@
+---
+
+# ---
+# NTP Server
+# ---
+
+- name: (ntp.yml) Ensure ntp package is installed.
+  apt:
+    name:
+      - ntp
+    state: present
+  when:
+    - ansible_os_family == "Debian"
+    - "groups['file_server']|string is search(inventory_hostname)"
+  tags:
+    - ntp-server
+
+- name: (ntp.yml) Check file '/etc/ntp.conf.ORIG' exists
+  stat:
+    path: /etc/ntp.conf.ORIG
+  register: etc_ntp_conf_ORIG
+  when:
+    - "groups['file_server']|string is search(inventory_hostname)"
+  tags:
+    - ntp-server
+
+- name: (ntp.yml) Backup installation version of file '/etc/ntp.conf'
+  command: cp -a /etc/ntp.conf /etc/ntp.conf.ORIG
+  when:
+    - "groups['file_server']|string is search(inventory_hostname)"
+    - etc_ntp_conf_ORIG.stat.exists == False
+  tags:
+    - ntp-server
+
+- name: (ntp.yml) Update '/etc/ntp.conf'
+  template:
+    src: "etc/ntp.conf.j2"
+    dest: /etc/ntp.conf
+    owner: root
+    group: root
+    mode: 0644
+  notify: Restart ntp
+  when:
+    - groups['file_server']|string is search(inventory_hostname)
+  tags:
+    - ntp-server
+