- name: Ensure docker-compose directories exists
  file:
    state: directory
    path: '{{ item }}'
  loop:
    - /etc/graphite-docker
    - /etc/graphite-docker/graphite
    - /etc/graphite-docker/graphite/conf

- name: Write settings file
  template:
    src: docker-compose.yaml.j2
    dest: /etc/graphite-docker/docker-compose.yaml

- name: Write storage config file
  template:
    src: storage-schemas.conf.j2
    dest: /etc/graphite-docker/graphite/conf/storage-schemas.conf

- name: Write storage aggregation config file
  template:
    src: storage-aggregation.conf.j2
    dest: /etc/graphite-docker/graphite/conf/storage-aggregation.conf

- name: Write nginx override config
  template:
    src: graphite-statsd.conf.j2
    dest: /etc/graphite-docker/graphite-statsd.conf

- name: Write statsd override config
  template:
    src: statsd.js.j2
    dest: /etc/graphite-docker/statsd.js

- name: Ensure storage directory exists
  file:
    state: directory
    path: /opt/graphite/storage

- name: Ensure log directory exists
  file:
    state: directory
    path: /var/log/graphite

- name: Run docker-compose pull
  shell:
    cmd: docker-compose pull
    chdir: /etc/graphite-docker/

- name: Run docker-compose up
  shell:
    cmd: docker-compose up -d
    chdir: /etc/graphite-docker/

- name: Run docker prune to cleanup unneeded images
  shell:
    cmd: docker image prune -f

# net is handy to have on the host for checking stat ingestion
# whisper utils are handy for inspecting .wsp files for debugging
- name: Install netcat
  package:
    name:
      - netcat
      - python3-whisper
    state: present

# Removes files not updated for ~9 months, and clears out empty directories
- name: Run periodic cleanup
  cron:
    name: "Graphite cleanup"
    minute: "0"
    hour: "2"
    job: >
        bash -c 'echo "--- $(date) ---";
        find /opt/graphite/storage/whisper -type f -mtime +270 -name "*.wsp" -delete -print;
        find /opt/graphite/storage/whisper -depth -type d -empty -delete -print'
        >> /var/log/graphite-cleanup.log 2>&1

- name: Rotate cleanup logs
  include_role:
    name: logrotate
  vars:
    logrotate_file_name: '/var/log/graphite-cleanup.log'