- hosts: win
  tasks:
  - name: Join Windows machine to the domain
    win_domain_membership:
      dns_domain_name: mydomain.com
      domain_admin_user: mydomainadmin@mydomain.com
      domain_admin_password: mydomainadminpassword
      state: domain
    register: domain_state

  - name: Reboot
    win_reboot:
    when: domain_state.reboot_required