ansible/roles/telegraf/tasks/main.yaml

---
#- name: gather OS specific variables
#  include_vars: "{{ item }}"
#  with_first_found:
#    - "{{ ansible_distribution }}-{{ ansible_distribution_major_version }}.yaml"
#    - "{{ ansible_distribution }}.yaml"
#    - "{{ ansible_os_family }}.yaml"

- name: run os specific tasks
  include: "{{ item }}"
  with_first_found:
    - "{{ ansible_os_family }}.yaml"

- name: manage package
  package:
    name: "{{ telegraf_package_name }}"
    state: "{{ telegraf_package_state }}"

- name: configure
  template:
    src: telegraf.conf.j2
    dest: /etc/telegraf/telegraf.conf
    owner: root
    group: root
    mode: 0644
  notify: reload telegraf

- name: configure telegraf.d files
  template:
    src: telegraf_d.conf.j2
    dest: "/etc/telegraf/telegraf.d/{{ '%02d' | format(idx) }}-{{ item.name }}.conf"
    owner: root
    group: root
    mode: 0644
  notify: reload telegraf
  loop: "{{ telegraf_config_d | default([]) }}"
  loop_control:
    index_var: idx

- name: create systemd override directory
  file:
    path: /etc/systemd/system/telegraf.service.d
    owner: root
    group: root
    mode: 0755
    state: directory

- name: patch systemd unit
  copy:
    dest: /etc/systemd/system/telegraf.service.d/override.conf 
    owner: root
    group: root
    mode: 0644
    content: |
      [Service]
      CapabilityBoundingSet=CAP_NET_RAW CAP_NET_ADMIN
      AmbientCapabilities=CAP_NET_RAW CAP_NET_ADMIN
  notify: telegraf daemon-reload 

- name: manage service
  service:
    name: "{{ telegraf_service_name }}"
    state: "{{ telegraf_service_state }}"
    enabled: "{{ telegraf_service_enabled }}"
  when: telegraf_package_state != "absent"