---
# https://docs.influxdata.com/telegraf/v1.11/introduction/installation/

- name: Ensure apt-transport-https
  apt:
    name: apt-transport-https
    state: present
    update_cache: yes

- name: Ensure influxdata signing key
  apt_key:
    url: "{{ influx.repo }}"
    state: present

- name: Ensure influxdata repo
  apt_repository:
    repo: deb https://repos.influxdata.com/debian {{ ansible_distribution_release }} stable
    state: present
    filename: influxdata

- name: Ensure Telegraf pkg
  apt:
    name: telegraf
    update_cache: yes
    state: present

- name: Push Telegraf config
  template:
    src: telegraf.conf.j2
    dest: /etc/telegraf/telegraf.conf
  notify: reload telegraf

- name: Push Telegraf base input config
  template:
    src: inputs/input.base.conf.j2
    dest: /etc/telegraf/telegraf.d/input.base.conf
  notify: reload telegraf

- name: Is Docker running ?
  service_facts:

- name: Push Telegraf docker input config if needed
  template:
    src: inputs/input.docker.conf.j2
    dest: /etc/telegraf/telegraf.d/input.docker.conf
  notify: reload telegraf
  when: "'docker' in services"

- name: Ensure Telegraf can access Docker socket
  user: name=telegraf
    group=telegraf
    groups=docker
    append=yes
  when: "'docker' in services"