---
- hosts: all
  sudo: yes
  tasks:
    - name: Create user
      user: name={{ username }}

    - name: Check for user key
      stat: path=keys/{{ username }}.pub
      register: user_key

    - name: Upload user key
      authorized_key: user={{ username }}
                      key="{{ item }}"
      when: user_key.stat.exists
      with_file:
        - keys/{{ username }}.pub

    - name: Upload global keys
      authorized_key: user={{ username }}
                      key="{{ lookup('file', item) }}"
      with_fileglob:
        - keys/global/*.pub