---
- name: Download Blackbox Exporter
  get_url:
    url: "{{blackbox_exporter_url}}"
    dest: "{{prometheus_home_dir}}/blackbox_exporter-{{blackbox_exporter_version}}.tgz"
    mode: '0600'
    owner: "{{prometheus_user}}"
    checksum: '{{blackbox_exporter_checksum_alg}}:{{blackbox_exporter_checksum}}'
- set_fact: "blackbox_exporter_extract_dir=blackbox_exporter-{{blackbox_exporter_version}}.{{prometheus_os}}-{{prometheus_architecture}}"
- name: Extract Blackbox Exporter
  shell: |
    #!/bin/sh
    set -e
    if ! [ -e "{{prometheus_home_dir}}/{{blackbox_exporter_extract_dir}}" ] ; then
      su - '{{prometheus_user}}' -c 'cd "{{prometheus_home_dir}}"; tar xzf blackbox_exporter-{{blackbox_exporter_version}}.tgz'
      exit 50
    fi
  register: res
  changed_when: res is defined and res.rc == 50
  ignore_errors: true
  notify: Restart Blackbox Exporter
- name: Link Blackbox Exporter directroy
  file:
    state: link
    src: '{{blackbox_exporter_extract_dir}}'
    dest: '{{prometheus_home_dir}}/blackbox_exporter'
    force: yes
- name: Write Blackbox Exporter configuration file
  copy:
    content: '{{blackbox_exporter_conf | to_nice_yaml}}'
    dest: '{{prometheus_home_dir}}/conf/blackbox_exporter.yml'
    owner: '{{prometheus_user}}'
    mode: '0600'
  notify: Restart Blackbox Exporter
  tags:
    - configuration
- name: Create Runit Directory
  file:
    state: directory
    dest: /etc/sv/blackbox_exporter
    owner: root
    mode: '0755'
- name: Write runit service
  template:
    src: blackbox_exporter.runit
    dest: /etc/sv/blackbox_exporter/run
    owner: root
    mode: '0755'
  tags:
    - configuration
- name: Enable Runit service
  file:
    state: link
    src: /etc/sv/blackbox_exporter
    dest: /var/service/blackbox_exporter