---

- name: add grafana apt key
  become: yes
  get_url:
    url: "https://packages.grafana.com/gpg.key"
    dest: "/etc/apt/trusted.gpg.d/grafana.asc"
    mode: "0644"

- name: add grafana apt repo
  become: yes
  apt_repository: repo="deb [signed-by=/etc/apt/trusted.gpg.d/grafana.asc] https://packages.grafana.com/oss/deb stable main"

- name: install prometheus and grafana
  become: yes
  apt: name="{{prometheus_server_apt_packages}}" state="latest"

- name: make prometheus data dir
  become: yes
  file:
    path: "{{prometheus_server_data_dir}}"
    state: "directory"
    owner: "prometheus"
    group: "prometheus"
    recurse: yes
  notify: restart prometheus service

- name: configure prometheus data dir
  become: yes
  lineinfile:
    path: "/etc/default/prometheus"
    regexp: '^ARGS="'
    line: 'ARGS="--storage.tsdb.path={{prometheus_server_data_dir}}"'
  notify: restart prometheus service

- name: configure prometheus
  become: yes
  template:
    src: "{{prometheus_server_conf}}"
    dest: "/etc/prometheus/prometheus.yml"
  notify:
    - restart prometheus service
    - restart grafana service

- name: ensure grafana is started
  become: yes
  systemd: name="grafana-server.service" enabled="yes" state="started"

### TODO: This is broken and not sure why. Started having errors one day. I
### supect bug with anisble module
# - name: install grafana prometheus data source
#   become: yes
#   grafana_datasource:
#     name: "Prometheus"
#     ds_type: "prometheus"
#     ds_url: "http://localhost:9090"
#     grafana_url: "http://localhost:3000"
#     is_default: yes
#   changed_when: false

# - name: install grafana plugins
#   become: yes
#   grafana_plugin: name="{{item}}"
#   loop: "{{prometheus_server_grafana_plugins}}"

- name: copy dashboards to target
  become: yes
  copy:
    src: "{{prometheus_server_grafana_dashboard_src}}/{{item}}"
    dest: "/tmp/"
    mode: "0640"
  loop: "{{prometheus_server_grafana_dashboards}}"

- name: install grafana dashboards
  become: yes
  grafana_dashboard:
    grafana_url: "http://localhost:3000"
    path: "/tmp/{{item}}"
    overwrite: yes
  loop: "{{prometheus_server_grafana_dashboards}}"