subelems.yml

---
- name: Configura usuários e suas chaves SSH
  hosts: localhost
  become: true

  vars:
    users:
      - name: alice
        keys:
          - "ssh-ed25519 AAAA...alice-laptop"
          - "ssh-ed25519 AAAA...alice-workstation"

      - name: beto
        keys:
          - "ssh-ed25519 AAAA...beto-desktop"

  tasks:
    - name: Cria os usuários
      ansible.builtin.user:
        name: "{{ item.name }}"
        state: present
        create_home: true
      loop: "{{ users }}"

    - name: Adiciona as chaves SSH dos usuários
      ansible.posix.authorized_key:
        user: "{{ item.0.name }}"
        key: "{{ item.1 }}"
        state: present
      loop: "{{ users | subelements('keys') }}"
      loop_control:
        label: "{{ item.0.name }}: {{ item.1[:30] }}"