---
# Configure Elasticsearch Node

#Create required directories
- name: Create Directories
  become: yes
  file: path={{ item }} state=directory owner={{ es_user }} group={{ es_group }}
  with_items:
    - "{{pid_dir}}"
    - "{{log_dir}}"
    - "{{conf_dir}}"

- name: Create Data Directories
  become: yes
  file: path={{ item }} state=directory owner={{ es_user }} group={{ es_group }}
  with_items:
    - "{{data_dirs}}"


#Copy the config template
- name: Copy Configuration File
  become: yes
  template: src=elasticsearch.yml.j2 dest={{conf_dir}}/elasticsearch.yml owner={{ es_user }} group={{ es_group }} mode=0644 force=yes
  register: system_change
  notify: restart elasticsearch

#Copy the instance specific default file
- name: Copy Default File for Instance
  become: yes
  template: src=elasticsearch.j2 dest={{instance_default_file}} mode=0644 force=yes
  notify: restart elasticsearch

#Copy the instance specific init file
- name: Copy Debian Init File for Instance
  become: yes
  template: src=init/debian/elasticsearch.j2 dest={{instance_init_script}} mode=0755 force=yes
  when: ansible_os_family == 'Debian' and not use_system_d
  notify: restart elasticsearch

#Copy the instance specific init file
- name: Copy Redhat Init File for Instance
  become: yes
  template: src=init/redhat/elasticsearch.j2 dest={{instance_init_script}} mode=0755 force=yes
  when: ansible_os_family == 'RedHat' and not use_system_d
  notify: restart elasticsearch

#Copy the systemd specific file if systemd is installed
- name: Copy Systemd File for Instance
  become: yes
  template: src=systemd/elasticsearch.j2 dest={{instance_sysd_script}} mode=0644 force=yes
  when: use_system_d
  notify:
  - reload systemd configuration
  - restart elasticsearch

#Copy the logging.yml
- name: Copy log4j2.properties File for Instance
  become: yes
  template: src={{es_config_log4j2}} dest={{conf_dir}}/log4j2.properties owner={{ es_user }} group={{ es_group }} mode=0644 force=yes
  notify: restart elasticsearch

- name: Copy jvm.options File for Instance
  become: yes
  template: src=jvm.options.j2 dest={{conf_dir}}/jvm.options owner={{ es_user }} group={{ es_group }} mode=0644 force=yes
  notify: restart elasticsearch

#Clean up un-wanted package scripts to avoid confusion

- name: Delete Default Init
  become: yes
  file: dest=/etc/init.d/elasticsearch state=absent

- name: Create empty default environment file
  become: yes
  changed_when: False
  copy:
    dest: /etc/default/elasticsearch
    content: ''
  when: ansible_os_family == 'Debian'

- name: Create empty default environment file
  become: yes
  changed_when: False
  copy:
    dest: /etc/sysconfig/elasticsearch
    content: ''
  when: ansible_os_family == 'RedHat'

- name: Symlink default systemd service to first instance of elasticsearch
  when: use_system_d
  block:
  - name: Check if default systemd file exists
    stat:
      path: "{{ sysd_script }}"
    register: sysd_stat_result

  - name: Remove if it is a normal file
    become: yes
    file:
      path: "{{ sysd_script }}"
      state: absent
    when: sysd_stat_result.stat.exists and not sysd_stat_result.stat.islnk

  - name: Create a symbolic link to the default systemd location to the first instance running on this host
    become: yes
    file:
      state: link
      src: "{{ instance_sysd_script }}"
      path: "{{ sysd_script }}"
    when: sysd_stat_result.stat.exists and not sysd_stat_result.stat.islnk
    notify:
    - reload systemd configuration
    - restart elasticsearch

- name: Delete Default Configuration File
  become: yes
  file: dest=/etc/elasticsearch/elasticsearch.yml state=absent

- name: Delete Default Logging File
  become: yes
  file: dest=/etc/elasticsearch/logging.yml state=absent

- name: Delete Default Logging File
  become: yes
  file: dest=/etc/elasticsearch/log4j2.properties state=absent

- name: Delete Default JVM Options File
  become: yes
  file: dest=/etc/elasticsearch/jvm.options state=absent