kolla-ansible/ansible/roles/grafana/tasks/config.yml

---
- name: Ensuring config directories exist
  file:
    path: "{{ node_config_directory }}/{{ item.key }}"
    state: "directory"
    owner: "{{ config_owner_user }}"
    group: "{{ config_owner_group }}"
    mode: "0770"
  become: true
  when:
    - inventory_hostname in groups[item.value.group]
    - item.value.enabled | bool
  with_dict: "{{ grafana_services }}"

- name: Check if extra configuration file exists
  find:
    path: "{{ node_custom_config }}/grafana/"
  delegate_to: localhost
  changed_when: False
  run_once: True
  register: check_extra_conf_grafana

- include_tasks: copy-certs.yml
  when:
    - kolla_copy_ca_into_containers | bool

- name: Copying over config.json files
  template:
    src: "{{ item.key }}.json.j2"
    dest: "{{ node_config_directory }}/{{ item.key }}/config.json"
    mode: "0660"
  become: true
  when:
    - inventory_hostname in groups[item.value.group]
    - item.value.enabled | bool
  with_dict: "{{ grafana_services }}"
  notify:
    - Restart {{ item.key }} container

- name: Copying over grafana.ini
  vars:
    service_name: "{{ item.key }}"
  merge_configs:
    sources:
      - "{{ role_path }}/templates/grafana.ini.j2"
      - "{{ node_custom_config }}/{{ item.key }}.ini"
      - "{{ node_custom_config }}/grafana/{{ inventory_hostname }}/{{ item.key }}.ini"
    dest: "{{ node_config_directory }}/grafana/grafana.ini"
    mode: "0660"
  become: true
  when:
    - inventory_hostname in groups[item.value.group]
    - item.value.enabled | bool
  with_dict: "{{ grafana_services }}"
  notify:
    - Restart {{ item.key }} container

- name: Copying over extra configuration file
  become: true
  template:
    src: "{{ item.path }}"
    dest: "{{ node_config_directory }}/grafana/{{ item.path | basename }}"
    mode: "0660"
  when:
    - item is defined
  with_items:
    - "{{ check_extra_conf_grafana.files }}"
  notify:
    - Restart grafana container

- name: Check if custom grafana home dashboard exists
  stat:
    path: "{{ node_custom_config }}/grafana/grafana_home_dashboard.json"
  delegate_to: localhost
  register: grafana_custom_dashboard_file
  run_once: True

- name: Copying over grafana home dashboard if exists
  template:
    src: "{{ node_custom_config }}/grafana/grafana_home_dashboard.json"
    dest: "{{ node_config_directory }}/grafana/grafana_home_dashboard.json"
    mode: "0660"
  when: grafana_custom_dashboard_file.stat.exists
  notify:
    - Restart grafana container

- name: Configuring Prometheus as data source for Grafana
  vars:
    service: "{{ grafana_services['grafana'] }}"
  template:
    src: "{{ item }}"
    dest: "{{ node_config_directory }}/grafana/prometheus.yaml"
    mode: "0660"
  become: true
  when:
    - inventory_hostname in groups[service.group]
    - service.enabled | bool
    - enable_prometheus | bool
  with_first_found:
    - "{{ node_custom_config }}/grafana/{{ inventory_hostname }}/prometheus.yaml"
    - "{{ node_custom_config }}/grafana/prometheus.yaml"
    - "prometheus.yaml.j2"
  notify:
    - Restart grafana container

- name: Configuring dashboards provisioning
  vars:
    service: "{{ grafana_services['grafana'] }}"
  template:
    src: "{{ item }}"
    dest: "{{ node_config_directory }}/grafana/provisioning.yaml"
    mode: "0660"
  become: true
  when:
    - inventory_hostname in groups[service.group]
    - service.enabled | bool
  with_first_found:
    - "{{ node_custom_config }}/grafana/{{ inventory_hostname }}/provisioning.yaml"
    - "{{ node_custom_config }}/grafana/provisioning.yaml"
    - "{{ role_path }}/templates/provisioning.yaml.j2"
  notify:
    - Restart grafana container

- name: Check if the folder for custom grafana dashboards exists
  stat:
    path: "{{ node_custom_config }}/grafana/dashboards"
  delegate_to: localhost
  register: grafana_custom_dashboards_folder
  run_once: True

- name: Remove templated Grafana dashboards
  become: true
  vars:
    service: "{{ grafana_services['grafana'] }}"
  file:
    state: absent
    path: "{{ node_config_directory }}/grafana/dashboards/"
  when:
    - inventory_hostname in groups[service.group]
    - service.enabled | bool

- name: Create custom Grafana dashboards folder
  become: true
  vars:
    service: "{{ grafana_services['grafana'] }}"
  file:
    dest: "{{ node_config_directory }}/grafana/dashboards/"
    state: "directory"
    mode: "0770"
  when:
    - grafana_custom_dashboards_folder.stat.exists
    - grafana_custom_dashboards_folder.stat.isdir
    - inventory_hostname in groups[service.group]
    - service.enabled | bool

- name: Copying over custom dashboards
  vars:
    service: "{{ grafana_services['grafana'] }}"
  copy:
    src: "{{ item }}"
    dest: "{{ node_config_directory }}/grafana/dashboards/"
    mode: "0660"
  become: true
  when:
    - grafana_custom_dashboards_folder.stat.exists
    - grafana_custom_dashboards_folder.stat.isdir
    - inventory_hostname in groups[service.group]
    - service.enabled | bool
  with_fileglob:
    - "{{ node_custom_config }}/grafana/dashboards/*.json"
  notify:
    - Restart grafana container