# roles/blackbox_exporter/role.yml
name: blackbox_exporter

defaults:
  jet_managed: This file is managed by blackbox_exporter playbook using Jetporch

  blackbox_exporter_version: 0.24.0

  blackbox_exporter_directory: /opt/blackbox_exporter
  blackbox_exporter_configuration_directory: /etc/blackbox_exporter
  blackbox_exporter_user: app_exporter
  blackbox_exporter_group: app_exporter

tasks:
  - tasks.yml

handlers:
  - handlers.yml

---
# tasks from roles/blackbox_exporter/tasks/tasks.yml

- !directory
  path: "{{ item }}"
  attributes:
    owner: "{{ blackbox_exporter_user }}"
    group: "{{ blackbox_exporter_group }}"
    mode: 0o755
  with:
    items:
      - "{{ blackbox_exporter_directory }}"
      - "{{ blackbox_exporter_configuration_directory }}"

- !shell
  name: Check if file is downloaded or extracted
  cmd: stat {{ blackbox_exporter_directory }}/blackbox_exporter-{{ blackbox_exporter_version }}.linux-amd64.tar.gz || stat {{ blackbox_exporter_directory }}/blackbox_exporter-{{ blackbox_exporter_version }}.linux-amd64
  save: file_stat
  failed_when: false
  changed_when: false

- !shell
  name: Download blackbox_exporter
  cmd: wget -P{{ blackbox_exporter_directory }}/ https://github.com/prometheus/blackbox_exporter/releases/download/v{{ blackbox_exporter_version }}/blackbox_exporter-{{ blackbox_exporter_version }}.linux-amd64.tar.gz
  with:
    condition: (ne file_stat.rc 0)

- !shell
  name: Check if file is extracted
  cmd: stat {{ blackbox_exporter_directory }}/blackbox_exporter-{{ blackbox_exporter_version }}.linux-amd64
  save: dir_stat
  failed_when: false
  changed_when: false

- !shell
  name: Extract tarball
  cmd: tar -C {{ blackbox_exporter_directory }} -xzf {{ blackbox_exporter_directory }}/blackbox_exporter-{{ blackbox_exporter_version }}.linux-amd64.tar.gz
  with:
    condition: (ne dir_stat.rc 0)
  and:
    notify: Restart blackbox exporter

- !shell
  name: Remove tarball
  cmd: rm -v {{ blackbox_exporter_directory }}/blackbox_exporter-{{ blackbox_exporter_version }}.linux-amd64.tar.gz
  with:
    condition: (ne dir_stat.rc 0)

- !directory
  path: "{{ blackbox_exporter_directory }}/blackbox_exporter-{{ blackbox_exporter_version }}.linux-amd64"
  attributes:
    owner: "{{ blackbox_exporter_user }}"
    group: "{{ blackbox_exporter_group }}"
    mode: 0o755
  recurse: true

- !template
  src: blackbox_exporter.yml.hbs
  dest: "{{ blackbox_exporter_configuration_directory }}/blackbox_exporter.yml"
  attributes:
    owner: root
    group: root
    mode: 0o644
  and:
    notify: Restart blackbox exporter

- !template
  src: blackbox_exporter.service.hbs
  dest: /etc/systemd/system/blackbox_exporter.service
  attributes:
    owner: root
    group: root
    mode: 0o644
  and:
    notify: Restart blackbox exporter

- !shell
  name: Reload systemd units
  cmd: systemctl daemon-reload

- !sd_service
  service: blackbox_exporter
  started: true
  enabled: true

---
# handlers from roles/blackbox_exporter/handlers/tasks.yml

- !sd_service
  service: blackbox_exporter
  restart: true
  with:
    subscribe: Restart blackbox exporter