- hosts: '{{hosts}}'
  remote_user: root
  tasks:

  - name: rsync hosts
    lineinfile:
      dest: /etc/hosts
      line: "{{ item }}"
    with_items:
      - "192.168.13.127 elk"
      - "192.168.13.128 elk2"
      - "192.168.13.129 elk3"

# ansible-playbook /etc/ansible/rsync_hosts.yml -e "hosts=java" --private-key=/etc/ansible/new_www.key