ansible-collection-prometheus/roles/influxdb_exporter/tasks/preflight.yml

---
- name: Common preflight
  ansible.builtin.include_role:
    name: prometheus.prometheus._common
    tasks_from: preflight.yml
  vars:
    _common_web_listen_address: "{{ influxdb_exporter_web_listen_address }}"

  tags:
    - influxdb_exporter
    - preflight
    - influxdb_exporter_preflight

- name: Assert usage of systemd as an init system
  ansible.builtin.assert:
    that: ansible_service_mgr == 'systemd'
    msg: "This role only works with systemd"
  tags:
    - influxdb_exporter
    - preflight
    - influxdb_exporter_preflight

- name: Discover latest version
  ansible.builtin.set_fact:
    influxdb_exporter_version: "{{ (lookup('url', 'https://api.github.com/repos/{{ _influxdb_exporter_repo }}/releases/latest', headers=_influxdb_exporter_github_api_headers,
                            split_lines=False) | from_json).get('tag_name') | replace('v', '') }}"
  run_once: true
  until: influxdb_exporter_version is version('0.0.0', '>=')
  retries: 10
  when:
    - influxdb_exporter_version == "latest"
  tags:
    - influxdb_exporter
    - install
    - influxdb_exporter_install
    - download
    - influxdb_exporter_download