ffdo-ansible/roles/common-net/tasks/hostname.yml

---

- name: Ensure hostname is set
  hostname: name={{ inventory_hostname_short }}

- name: Ensure /etc/hosts entry for hostname exists
  lineinfile: dest=/etc/hosts regexp="^127\\.0\\.1\\.1" line="127.0.1.1 {{ inventory_hostname }} {{ inventory_hostname_short }}"