Fix

---

- name: Install python3

  hosts: ipacluster

- hosts: ipacluster

  become: yes

  tasks:

    - name: Bootstrap a host without python3 installed

  roles:

    - hostname

- name: Build hosts file

  lineinfile: dest=/etc/hosts regexp='.*{{ item }}$' line="{{ hostvars[item].ansible_default_ipv4.address }} {{item}}" state=present

- hosts: hostname:&ipacluster

  tasks:

    - name: Populate /etc/hosts

      lineinfile:

        dest: /etc/hosts

        regexp: '.*{{ item }}$'

        line: "{{ hostvars[item].ansible_default_ipv4.address }} {{item}}"

        state: present

      when: hostvars[item].ansible_default_ipv4.address is defined

      with_items: groups['ipaserver','ipareplicas']