---
- name: Create Telegraf Directory
  file:
    path: "{{ item }}"
    state: directory
  with_items:
    - "{{ stats_telegraf_config_directory }}"

- name: Template telegraf.conf
  template:
    src: telegraf.conf.j2
    dest: "{{ stats_telegraf_config_directory }}/telegraf.conf"
  register: telegraf_config

- name: Get Docker daemon uid
  command: stat -c '%g' /var/run/docker.sock
  register: docker_uid
  changed_when: false

- name: Telegraf Docker Container
  docker_container:
    name: stats-telegraf
    image: telegraf
    pull: true
    privileged: true
    ipc_mode: host
    ports:
      - "{{ stats_telegraf_influxdb_port }}:8086"
      - "{{ stats_telegraf_port }}:9273"
    user: "telegraf:{{ docker_uid.stdout }}"
    volumes:
      - "{{ stats_telegraf_config_directory }}/telegraf.conf:/etc/telegraf/telegraf.conf:ro"
      - "/var/run/docker.sock:/var/run/docker.sock:ro"
      - "/:/hostfs:ro"
      - "/etc:/hostfs/etc:ro"
      - "/proc:/hostfs/proc:ro"
      - "/sys:/hostfs/sys:ro"
      - "/var:/hostfs/var:ro"
      - "/run:/hostfs/run:ro"
    env:
      HOST_ETC: "/hostfs/etc"
      HOST_PROC: "/hostfs/proc"
      HOST_SYS: "/hostfs/sys"
      HOST_VAR: "/hostfs/var"
      HOST_RUN: "/hostfs/run"
      HOST_MOUNT_PREFIX: "/hostfs"
    restart_policy: unless-stopped
    memory: 1g
    restart: "{{ telegraf_config is changed }}"