---
- name: Generate root ssh_key
  user:
    name: root
    generate_ssh_key: yes
    ssh_key_bits: 2048

- name: Fetch ssh public keys
  shell: cat /root/.ssh/id_rsa.pub
  register: ssh_keys
  always_run: yes

- name: Print ssh public keys
  debug: 
    msg: "{{ ssh_keys.stdout }}"

- name: Autorize other kvm ssh key
  authorized_key:
    user: root
    state: present
    key: "{{ item[0] }}"
  delegate_to: "{{ item[1] }}"
  with_nested:
    - "{{ ssh_keys.stdout }}"
    - "{{groups['hypervisors']}}"