- name: add grafana GPG apt key
  apt_key:
    url: https://packages.grafana.com/gpg.key
    state: present

- block:
  - name: add grafana repository
    apt_repository:
      repo: deb https://packages.grafana.com/oss/deb stable main
      state: present
    register: grafana_repo
    notify: restart grafana

  - name: update apt cache
    apt:
      update_cache: yes
      cache_valid_time: 3600
    when: grafana_repo is changed

  - name: install grafana package
    apt:
      pkg: grafana
      state: present
    notify: restart grafana

- name: copy grafana config
  template:
    src: grafana.ini.j2
    dest: /etc/grafana/grafana.ini
  become: yes
  notify: restart grafana
    
- name: enable grafana service
  systemd:
    name: grafana-server
    state: started
    enabled: yes
  register: grafana_service

- name: Configure Nginx for Grafana
  import_role:
    name: nginx
  vars:
    nginx_config_file: "{{ inventory_hostname }}.conf"
    nginx_server:
      name: "{{ inventory_hostname }}"
      port: 80
      locations:
      - path: "= /"
        return:
          code: 301
          url: "http://{{ inventory_hostname }}{{ grafana_web_path }}"
      includes:
      - "{{ nginx_config_dir }}/{{ inventory_hostname }}.d/*.conf"

- name: ensure nginx config directory exists
  file:
    path: "{{ nginx_config_dir }}/{{ inventory_hostname }}.d"
    state: directory

- include_role:
    name: nginx
    tasks_from: configure
  vars:
    nginx_config_file: "{{ inventory_hostname }}.d/grafana.conf"
    nginx_server:
      locations:
      - path: "{{ grafana_web_path }}/"
        proxy_pass:
          port: "{{ grafana_port }}"
          path: /