ansible/roles/telegraf/tasks/main.yaml

---
- name: Install required system packages
  ansible.builtin.apt:
    pkg:
      - apt-transport-https
      - ca-certificates
      - gnupg
      - curl
    state: latest
    update_cache: true

- name: Add Influxdata GPG apt key
  ansible.builtin.apt_key:
    url: "https://repos.influxdata.com/influxdata-archive.key"
    state: present

- name: Add Influxdata repository
  ansible.builtin.apt_repository:
    repo: deb https://repos.influxdata.com/{{ ansible_distribution | lower }} {{ ansible_distribution_release }} stable
    state: present
    filename: "telegraf"

- name: Install telegraf package
  ansible.builtin.apt:
    pkg:
      - telegraf
    state: latest
    update_cache: true

- name: Gather the package facts
  ansible.builtin.package_facts:
    manager: auto

- name: Add telegraf to docker group
  ansible.builtin.user:
    name: telegraf
    groups: docker
    append: true
  when: "'docker-ce' in ansible_facts.packages"

- name: Enable telegraf service
  ansible.builtin.service:
    name: telegraf
    enabled: true

- name: Stop telegraf service (configure it before starting)
  ansible.builtin.service:
    name: telegraf
    state: stopped