---
- hosts: ios
  gather_facts: no


  vars:

    ntp_servers:
      - ntp server 10.10.10.13
      - ntp server 10.10.10.14



  tasks:

  - name: "GET CONFIG"
    ios_command:
      commands:
        - "show running-config full | include ntp server"
    register: get_config

  - debug: var=get_config.stdout_lines

  - name: RUN 'Set NTP'
    with_items: "{{ ntp_servers }}"
    ios_config:
      lines:
          - "{{ item }}"
    register: set_ntp

  - name: RUN 'Remove NTP'
    when: "(get_config.stdout_lines[0][0] != '') and (item not in ntp_servers)"
    with_items: "{{ get_config.stdout_lines[0] }}"
    register: remove_ntp
    ios_config:
      lines:
        - "no {{ item }}"