- name: get ssh keys for all users
  ansible.builtin.find:
    paths: files/keys
    file_type: link
    recurse: true
  delegate_to: localhost
  run_once: true
  register: result

- name: synchronize ssh keys
  ansible.posix.authorized_key:
    user: "{{ item.path | dirname | basename }}"
    state: present
    key: "{{ lookup('file', item.path) }}"
  loop_control:
    label: "{{ item.path }} -> user: {{ item.path | dirname | basename }}"
  loop: "{{ result.files }}"
  failed_when: false