---
- block: 
    - name: Ensure that grafana is stopped and disabled
      service: name=grafana-server state=stopped enabled=no

    - name: Remove the grafana deb packages
      apt: name={{ grafana_packages }} state=absent

    - name: Install the grafana deb repository
      apt_repository: repo='{{ grafana_repo }}' state=absent update_cache=yes

  when: not grafana_enabled
  tags: [ 'grafana' ]

- block: 
    - name: Install the grafana repo key
      apt_key: url={{ grafana_repo_key }} state=present

    - name: Install the grafana deb repository
      apt_repository: repo='{{ grafana_repo }}' state=present update_cache=yes

    - name: Install the grafana deb packages
      apt: name={{ grafana_packages }} state={{ grafana_pkg_state }} update_cache=yes cache_valid_time=1800
  
    - name: Install the grafana configuration
      ansible.builtin.ini_file:
        path: '/etc/grafana/grafana.ini'
        section: '{{ item.section }}'
        option: '{{ item.option }}'
        value: '{{ item.value }}'
        state: "{{ item.state | default('present') }}"
        mode: '0440'
        owner: root
        group: grafana
      loop: '{{ grafana_conf }}'
      notify: Restart grafana
      tags: [ 'grafana', 'grafana_conf' ]

    - name: Add additional grafana configurations
      ansible.builtin.ini_file:
        path: '/etc/grafana/grafana.ini'
        section: '{{ item.section }}'
        option: '{{ item.option }}'
        value: '{{ item.value }}'
        state: "{{ item.state | default('present') }}"
        mode: '0440'
        owner: root
        group: grafana
      loop: '{{ grafana_additional_conf }}'
      notify: Restart grafana
      tags: [ 'grafana', 'grafana_conf' ]

    - name: Install the grafana LDAP configuration file
      ansible.builtin.template:
        src: '{{ item }}.j2'
        dest: '/etc/grafana/{{ item }}'
        mode: 0440
        owner: root
        group: grafana
      loop: '{{ grafana_ldap_conf_file }}'
      notify: Restart grafana
      when: grafana_ldap_auth
      tags: [ 'grafana', 'grafana_conf', 'grafana_ldap' ]

    - name: Create the local dashboards directory
      file: dest=/var/lib/grafana/dashboards state=directory mode=0755 owner=grafana group=grafana

    - name: Install additional plugins, if any
      grafana_plugin:
        name: '{{ item.name }}'
        state: "{{ item.state | default('present') }}"
        grafana_repo: "{{ item.repo | default('https://grafana.com/api/plugins') }}"
      loop: '{{ grafana_additional_plugins }}'
      tags: [ 'grafana', 'grafana_plugins' ] 

    - name: Ensure that grafana is enabled and running
      service: name=grafana-server state=started enabled=yes

  when: grafana_enabled
  tags: [ 'grafana' ]