- hosts: all
  roles:
    - { role: packages, tags: 'packages' }
    - { role: base, tags: 'base' }
    - { role: authkeys, tags: 'authkeys', group: 'admins' }
  remote_user: debian
  become_method: su
  become: true

- hosts: nodes
  roles:
    - { role: dresden-weekly.network-interfaces, tags: 'interfaces' }
    - { role: hostname, tags: 'hostname' }
  remote_user: debian
  become_method: su
  become: true