ansible-examples/reboot.yml

---
- name: reboot a machine
  #hosts: serverd.lab.example.com
  hosts: localhost
  gather_facts: no
  tasks:
    - name: reboot
      command: sleep 30
      changed_when: false
      async: 125
      poll: 0
      register: long_runner

#    - name: reboot
#      delegate_to: serverd.lab.example.com
#      become: yes
#      reboot:
#        reboot_timeout: 30

    - name: do some jiggawagoo
      command: sleep 3

    - debug: var=long_runner

    - name: check if the long-running task completed yet
      async_status:
        jid: "{{ long_runner.ansible_job_id }}"
      register: long_check
      until: long_check.finished
      delay: 5
      retries: 20

#    - name: now wait for serverd to complete before continuing
#      delegate_to: serverd.lab.example.com
#      wait_for:
#        port: 22
#        delay: 30

#    - name: get uptime
#      delegate_to: serverd.lab.example.com
#      command: uptime
#      register: uptime

#    - debug: var=uptime