---
- hosts: localhost
  tasks:

  - name: install chrony
    yum:
      name: chrony
      state: present

  - name: config time server
    template:
       src: chrony/chrony.conf.j2
       dest: /etc/chrony.conf

  - name: disable chrony ipv6
    replace:
      path:  /etc/sysconfig/chronyd
      regexp: '^OPTIONS=""'
      replace: 'OPTIONS="-4"'
   
  - name: start and active service chronyd
    systemd:
      name: chronyd
      enabled: true
      state: started