nyaa-pantsu/deploy/ansible/roles/elasticsearch/tasks/main.yml

- name: Add elasticsearch key
  rpm_key:
    state: present
    key: https://artifacts.elastic.co/GPG-KEY-elasticsearch
  become: true

- name: Add elasticsearch repo
  yum_repository:
    name: elasticsearch-5.x
    baseurl: https://artifacts.elastic.co/packages/5.x/yum
    gpgcheck: 1
    gpgkey: https://artifacts.elastic.co/GPG-KEY-elasticsearch
    enabled: 1
    description: Elastic search repository for 5.x packages
  become: true

- name: Install java and elasticsearch
  yum:
    name: "{{ item }}"
    state: present
  become: true
  with_items:
    - java-1.8.0-openjdk
    - elasticsearch
    - python-elasticsearch # INFO Needed for index_nyaapantsu.py script

- name: Copy files to remote
  copy:
    src: "{{ item }}"
    dest: "{{ nyaapantsu_directory }}"
  with_items:
    - elasticsearch_settings.yml
    - index_nyaapantsu.py

- name: Increase system max open files
  lineinfile:
    path: /etc/sysctl.conf
    regexp: '^fs.file-max.*'
    line: 'fs.file-max = {{ nyaapantsu_max_open_files }}'
  become: true

- name: Increase JVM heapsize
  lineinfile:
    path: /etc/sysconfig/elasticsearch
    regexp: '^ES_JAVA_OPTS=.*'
    line: 'ES_JAVA_OPTS="-Xms{{ nyaapantsu_jvm_heapsize_gb }}g -Xmx{{ nyaapantsu_jvm_heapsize_gb }}g"'
  become: true

- name: Create override folder
  file:
    path: /etc/systemd/system/elasticsearch.service.d/
    state: directory
    mode: 0755
  become: true

- name: Add override service file
  template:
    src: elasticsearch.override.j2
    dest: /etc/systemd/system/elasticsearch.service.d/override.conf
  become: true

- name: Enable and start elasticsearch
  systemd:
    enabled: yes
    name: elasticsearch
    state: started
    daemon_reload: yes
  become: true

- name: Copy reindexing triggers
  template:
    src: reindex_triggers.sql.j2
    dest: "{{ nyaapantsu_directory }}/reindex_triggers.sql"

- name: Apply reindexing triggers
  shell: psql -U "{{ nyaapantsu_user }}" "{{ nyaapantsu_dbname }}" < "{{ nyaapantsu_directory }}/reindex_triggers.sql"

- name: Copy reindexing script
  copy:
    src: reindex_nyaapantsu.py
    dest: "{{ elasticsearch_reindex_script }}"

- name: Setup reindexing cron job
  template:
    src: reindex_cron.j2
    dest: "/etc/cron.d/reindex_{{ nyaapantsu_torrent_tablename }}"
  become: true