$ cat hosts.yaml
---
- name: File /etc/hosts
  hosts: local
  tasks:
    - name: Testing entries in the /etc/hosts file
      lineinfile:
        path: /etc/hosts
        line: "10.240.0.200 ansible-server.juntotelecom.com.br  ansible-server"
      register: etc_hosts_result

    - name: Clear file /etc/hosts
      when: etc_hosts_result is changed
      shell: echo '' > /etc/hosts
      register: etc_hosts_clear
      tags: hosts

    - name: Config file /etc/hosts
      when: etc_hosts_clear is succeeded
      lineinfile:
        path: /etc/hosts
        line: "{{ item.ip }}  {{ item.fqdn }} {{ item.alias }}"
      with_items:
        - { ip: '127.0.0.1', fqdn: 'localhost.localdomain', alias: 'localhost' }
        - { ip: '10.240.0.200', fqdn: 'ansible-server.juntotelecom.com.br', alias: 'ansible-server' }
        - { ip: '10.240.0.201', fqdn: 'ub-vm-01.juntotelecom.com.br', alias: 'ub-vm-01' }
        - { ip: '10.240.0.202', fqdn: 'ol-vm-02.juntotelecom.com.br', alias: 'ol-vm-02' }
        - { ip: '10.240.0.203', fqdn: 'de-vm-03.juntotelecom.com.br', alias: 'de-vm-03' }