xoxys.users/tasks/users_keys.yml

---
- block:
    - name: Set authorized_key for ssh users
      authorized_key:
        user: "{{ item.name }}"
        key: "{{ item.key }}"
        state: present
      loop: "{{ users_default_users }}"
      loop_control:
        label: "{{ item.name }}"
      when: item.key is defined
  become: True
  become_user: root