ceph-ansible/roles/ceph-grafana/tasks/configure_grafana.yml

---
- name: make sure grafana is down
  service:
    name: grafana-server
    state: stopped

- name: wait for grafana to be stopped
  wait_for:
    port: 3000
    state: stopped

- name: make sure grafana configuration directories exist
  file:
    path: "{{ item }}"
    state: directory
    recurse: yes
  with_items:
    - "/etc/grafana/provisioning/datasources"
    - "/etc/grafana/provisioning/dashboards"

- name: write grafana.ini
  template:
    src: grafana.ini.j2
    dest: /etc/grafana/grafana.ini
    mode: 0640

- name: write datasources provisioning config file
  template:
    src: datasources-ceph-dashboard.yml.j2
    dest: /etc/grafana/provisioning/datasources/ceph-dashboard.yml
    mode: 0640

- name: Write dashboards provisioning config file
  template:
    src: dashboards-ceph-dashboard.yml.j2
    dest: /etc/grafana/provisioning/dashboards/ceph-dashboard.yml
    mode: 0640

- name: copy grafana SSL certificate file
  copy:
    src: "{{ grafana_crt }}"
    dest: "/etc/grafana/ceph-dashboard.crt"
    mode: 0640
  when:
    - grafana_crt | bool
    - dashboard_protocol == "https"

- name: copy grafana SSL certificate key
  copy:
    src: "{{ grafana_key }}"
    dest: "/etc/grafana/ceph-dashboard.key"
    mode: 0440
  when:
    - grafana_key | bool
    - dashboard_protocol == "https"

- name: generate a Self Signed OpenSSL certificate for dashboard
  shell: |
    test -f /etc/grafana/ceph-dashboard.key -a -f /etc/grafana/ceph-dashboard.crt || \
    openssl req -new -nodes -x509 -subj '/O=IT/CN=ceph-grafana' -days 3650 -keyout /etc/grafana/ceph-dashboard.key -out /etc/grafana/ceph-dashboard.crt -extensions v3_ca
  when:
    - dashboard_protocol == "https"
    - not grafana_key | bool or not grafana_crt | bool

- name: set owner/group on /etc/grafana
  file:
    path: /etc/grafana
    state: directory
    # This is the UID used by the grafana container
    owner: "{{ grafana_uid }}"
    # This group is used by the grafana rpm
    group: "grafana"
    recurse: true

- name: enable and start grafana
  service:
    name: grafana-server
    state: restarted
    enabled: true

- name: wait for grafana to start
  wait_for:
    port: 3000