Ansible_PUBLIC/roles/lldp/tasks/main.yml

- name: Install lldpd
  apt:
    pkg:
    - lldpd

- name: stop transmission
  systemd:
    state: stopped
    name: lldpd

- name: memorize hostname variable
  shell: hostname
  register: hostname

- set_fact: 
    hostname={{ hostname.stdout }}

- name: Add a line to a file if the file does not exist, without passing regexp
  lineinfile:
#    path: /etc/lldpd.d/hostname.conf
    destfile: /etc/lldpd.d/hostname.conf
    line: configure system description {{ hostname }}
    create: yes
    state: present

- name: stop transmission
  systemd:
    state: started
    name: lldpd