---
- name: create group
  group:
    name: "{{ prometheus_group }}"
    system: true
    state: "{{ prometheus_group_state | default('present') }}"

- name: create user
  user:
    name: "{{ prometheus_user }}"
    system: true
    shell: "{{ prometheus_user_shell }}"
    group: "{{ prometheus_group }}"
    createhome: false
    home: "{{ prometheus_var_path }}"
    state: "{{ prometheus_user_state | default('present') }}"

- name: create etc path
  file:
    path: "{{ prometheus_etc_path }}"
    state: directory
    owner: "{{ prometheus_etc_owner }}"
    group: "{{ prometheus_etc_group }}"
    mode: "{{ prometheus_etc_mode }}"

- name: create file_sd_config.d path
  file:
    path: "{{ prometheus_etc_path }}/file_sd_config.d"
    state: directory
    owner: "{{ prometheus_etc_owner }}"
    group: "{{ prometheus_etc_group }}"
    mode: "{{ prometheus_etc_mode }}"

- name: create var path
  file:
    path: "{{ prometheus_var_path }}"
    state: directory
    owner: "{{ prometheus_var_owner }}"
    group: "{{ prometheus_var_group }}"
    mode: "{{ prometheus_var_mode }}"

- name: configure
  copy:
    dest: "{{ prometheus_etc_path }}/prometheus.yaml"
    content: "{{ (prometheus_config | default({})) | to_yaml }}"
    owner: root
    group: root
    mode: 0444
  notify: restart prometheus

- name: configure rules
  copy:
    dest: "{{ prometheus_etc_path }}/rules.yaml"
    content: "{{ (prometheus_rules_config | default({})) | to_yaml }}"
    owner: root
    group: root
    mode: 0444
  notify: reload prometheus

- name: configure file_sd_config.d
  copy:
    dest: "{{ prometheus_etc_path }}/file_sd_config.d/{{ item.name }}"
    content: "{{ (item.targets | default([])) | to_json }}"
    owner: root
    group: root
    mode: 0444
  loop: "{{ prometheus_file_sd_config_d_files | default([]) }}"

- name: configure systemd template
  template:
    src: prometheus.service.j2
    dest: /etc/systemd/system/prometheus.service
    owner: root
    group: root
    mode: 0444
  notify: restart prometheus

- name: manage service
  service:
    name: "{{ prometheus_service_name }}"
    enabled: "{{ prometheus_service_enabled }}"
    state: "{{ prometheus_service_state }}"