---
- name: setup elastic group
  group:
    name: "{{ elastic_grp }}"
    state: "present"

- name: setup elastic user
  user:
    name: "{{ elastic_usr }}"
    home: "{{ elastic_home }}"
    group: "{{ elastic_grp }}"
    groups:
      - "{{ elastic_grp }}"
    comment: Virtual Elastic User
    shell: /bin/bash
    state: present
    system: yes

- name: setup ElasticSearch directories
  file:
    state: directory
    path: "{{ item }}"
    owner: "{{ elastic_usr }}"
    group: "{{ elastic_grp }}"
    mode: 0750
  loop:
    - "{{ elastic_path }}"
    - "{{ elastic_home }}"
    - "{{ elastic_data_location }}"
    - "{{ elastic_logs_location }}"

- name: download ElasticSearch
  unarchive:
    src: "{{ elastic_source }}/elasticsearch-{{ elastic_version }}-{{ elastic_platform_suffix }}.tar.gz"
    dest: "{{ elastic_path }}"
    creates: "{{ elastic_inst }}"
    remote_src: true
    owner: "{{ elastic_usr }}"
    group: "{{ elastic_grp }}"
    mode: 0755
  register: elastic_install

- name: copy bootstrap config
  copy:
    remote_src: true
    src: "{{ elastic_inst }}/config"
    dest: "{{ elastic_home }}"
    owner: "{{ elastic_usr }}"
    group: "{{ elastic_grp }}"
    mode: 0755
  when: elastic_install.changed

- name: configure ElasticSearch
  template:
    src: "opt/elastic/home/config/{{ item }}.j2"
    dest: "{{ elastic_conf }}/{{ item }}"
    owner: "{{ elastic_usr }}"
    group: "{{ elastic_grp }}"
    mode: 0644
  loop:
    - elasticsearch.yml
    - jvm.options

- name: configure max map count
  sysctl:
    name: vm.max_map_count
    value: '262144'
    state: present

- name: setup generic ElasticSearch link
  file:
    state: link
    src: "{{ elastic_inst }}"
    dest: "{{ elastic_link }}"

- name: setup ElasticSearch systemd unit
  template:
    src: etc/systemd/system/elasticsearch.service.j2
    dest: /etc/systemd/system/elasticsearch.service
  notify: restart elasticsearch

- name: enable elasticsearch systemd unit
  systemd:
    name: elasticsearch
    enabled: yes
    daemon_reload: yes
    state: started