Reboot server and wait for restart with ansible

reboot.yml

# After way too many attempts, this one seems to really work all the time

- name: Reboot server
  shell: sleep 2 && reboot
  async: 1
  poll: 0
  failed_when: false
  become: true

- name: Wait for server to initiate shutdown
  wait_for:
    host: "{{ ansible_ssh_host }}"
    state: stopped
    port: 22
  delegate_to: localhost

- name: Wait for server to come back online
  wait_for:
    host: "{{ ansible_ssh_host }}"
    state: started
    port: 22
  delegate_to: localhost