- hosts: all
  become: yes
  tasks:
    - name: check if ntp is installed
      apt:
        pkg:
          - ntp
        state: present
        update_cache: no
        force_apt_get: True
      register: ntp
      
    - name: set hw clock to UTC from host
      command: hwclock --set --date "{{ lookup('pipe','date -u') }}"
      when: ntp.failed
      
    - name: Set timezone to Europe/Berlin
      timezone:
        name: Europe/Berlin
        hwclock: UTC
      register: tz
      
    - name: Unconditionally reboot the machine to apply tz change
      reboot:
      when: tz.changed
      
    - name: install ntp
      apt:
        pkg:
          - ntp
        state: present
        update_cache: yes
        force_apt_get: True
      when: ntp.failed
      
    - name: Make sure NTP is started up
      service: name=ntp state=started enabled=yes