iiab/roles/vnstat/tasks/main.yml

- name: Install vnstat package
  package:
    name: vnstat
    state: present
  tags:
    - download

- name: Install /etc/vnstat.conf from template
  template:
    src: vnstat.conf.j2
    dest: /etc/vnstat.conf
    mode: 0744
    owner: root
    group: root

- name: Create database for WAN to collect vnStat data
  shell: /usr/bin/vnstat -i {{ iiab_wan_iface }}

- name: Create database for LAN to collect vnStat data if not appliance config
  shell: /usr/bin/vnstat -i {{ iiab_lan_iface }}
  when: iiab_lan_iface is defined

- name: Enable & Start vnStat's systemd service
  systemd:
    name: vnstat
    enabled: yes
    state: started

- name: Add 'vnstat' variable values to {{ iiab_ini_file }}
  ini_file:
    path: "{{ iiab_ini_file }}"
    section: vnstat
    option: "{{ item.option }}"
    value: "{{ item.value }}"
  with_items:
    - option: name
      value: vnStat
    - option: description
      value: '"vnStat is a console-based network traffic monitor for Linux and BSD that keeps a log of network traffic for the selected interface(s)."'
    - option: installed
      value: "{{ vnstat_install }}"
    - option: enabled
      value: "{{ vnstat_enabled }}"