---
- name: Download Alertmanager
  get_url:
    url: "{{alertmanager_url}}"
    dest: "{{prometheus_home_dir}}/alertmanager-{{alertmanager_version}}.tgz"
    mode: '0600'
    owner: "{{prometheus_user}}"
    checksum: '{{alertmanager_checksum_alg}}:{{alertmanager_checksum}}'
- set_fact: "alertmanager_extract_dir=alertmanager-{{alertmanager_version}}.{{prometheus_os}}-{{prometheus_architecture}}"
- name: Extract Alertmanager
  shell: |
    #!/bin/sh
    set -e
    if ! [ -e "{{prometheus_home_dir}}/{{alertmanager_extract_dir}}" ] ; then
      su - '{{prometheus_user}}' -c 'cd "{{prometheus_home_dir}}"; tar xzf alertmanager-{{alertmanager_version}}.tgz'
      exit 50
    fi
  register: res
  changed_when: res is defined and res.rc == 50
  ignore_errors: true
  notify: Restart alertmanager
- name: Link alertmanager directroy
  file:
    state: link
    src: '{{alertmanager_extract_dir}}'
    dest: '{{prometheus_home_dir}}/alertmanager'
    force: yes
- name: Create Data directory
  file:
    state: directory
    dest: "{{alertmanager_data_dir}}"
    mode: '0700'
    owner: "{{prometheus_user}}"
- name: Write alertmanager configuration file
  copy:
    content: '{{alertmanager_conf | to_nice_yaml}}'
    dest: '{{prometheus_home_dir}}/conf/alertmanager.yml'
    owner: '{{prometheus_user}}'
    mode: '0600'
  notify: Restart alertmanager
  tags:
    - configuration
- name: Create Runit Directory
  file:
    state: directory
    dest: /etc/sv/alertmanager
    owner: root
    mode: '0755'
- name: Write runit service
  template:
    src: alertmanager.runit
    dest: /etc/sv/alertmanager/run
    owner: root
    mode: '0755'
- name: Enable Runit service
  file:
    state: link
    src: /etc/sv/alertmanager
    dest: /var/service/alertmanager