wazuh-ansible-4.8.1/roles/elastic-stack/ansible-elasticsearch/tasks/main.yml

---
- import_tasks: RedHat.yml
  when: ansible_os_family == 'RedHat'

- import_tasks: Debian.yml
  when: ansible_os_family == "Debian"

- name: Create elasticsearch.service.d folder.
  file:
    path: /etc/systemd/system/elasticsearch.service.d
    state: directory
    owner: root
    group: root
    mode: 0755
  when:
    - ansible_service_mgr == "systemd"

- name: Configure Elasticsearch System Resources.
  template:
    src: elasticsearch_systemd.conf.j2
    dest: /etc/systemd/system/elasticsearch.service.d/elasticsearch.conf
    owner: root
    group: elasticsearch
    mode: 0660
  notify: restart elasticsearch
  tags: configure
  when:
    - ansible_service_mgr == "systemd"

- name: Debian/Ubuntu | Configure Elasticsearch System Resources.
  template:
    src: elasticsearch_nonsystemd.j2
    dest: /etc/default/elasticsearch
    owner: root
    group: elasticsearch
    mode: 0660
  notify: restart elasticsearch
  tags: configure
  when:
    - ansible_service_mgr != "systemd"
    - ansible_os_family == "Debian"

- name: RedHat/CentOS/Fedora | Configure Elasticsearch System Resources.
  template:
    src: elasticsearch_nonsystemd.j2
    dest: /etc/sysconfig/elasticsearch
    owner: root
    group: elasticsearch
    mode: 0660
  notify: restart elasticsearch
  tags: configure
  when:
    - ansible_service_mgr != "systemd"
    - ansible_os_family == "RedHat"

- name: Configure Elasticsearch JVM memmory.
  template:
    src: jvm.options.j2
    dest: /etc/elasticsearch/jvm.options
    owner: root
    group: elasticsearch
    mode: 0660
  notify: restart elasticsearch
  tags: configure

# fix in new PR (ignore_errors)

- import_tasks: "RMRedHat.yml"
  when: ansible_os_family == "RedHat"

- import_tasks: "xpack_security.yml"
  when:
    - elasticsearch_xpack_security

- name: Configure Elasticsearch.
  template:
    src: elasticsearch.yml.j2
    dest: /etc/elasticsearch/elasticsearch.yml
    owner: root
    group: elasticsearch
    mode: 0660
  notify: restart elasticsearch
  tags: configure

- name: Trusty | set MAX_LOCKED_MEMORY=unlimited in Elasticsearch in /etc/security/limits.conf
  lineinfile: # noqa 208
    path: /etc/security/limits.conf
    line: elasticsearch - memlock unlimited
    create: yes
  become: true
  when:
    - ansible_distribution == "Ubuntu"
    - ansible_distribution_major_version | int == 14
  changed_when: false

- name: Trusty | set MAX_LOCKED_MEMORY=unlimited in Elasticsearch in /etc/security/limits.d/elasticsearch.conf
  lineinfile:
    path: /etc/security/limits.d/elasticsearch.conf
    line: elasticsearch - memlock unlimited
    owner: root
    group: root
    mode: 0644
    create: yes
  become: true
  changed_when: false
  when:
    - ansible_distribution == "Ubuntu"
    - ansible_distribution_major_version | int == 14

- name: Ensure Elasticsearch started and enabled
  service:
    name: elasticsearch
    enabled: true
    state: started
  tags:
    - configure
    - init

- name: Make sure Elasticsearch is running before proceeding
  wait_for: host={{ elasticsearch_reachable_host }} port={{ elasticsearch_http_port }} delay=3 timeout=400
  tags:
    - configure
    - init

- import_tasks: "RMRedHat.yml"
  when: ansible_os_family == "RedHat"

- import_tasks: "RMDebian.yml"
  when: ansible_os_family == "Debian"

- name: Wait for Elasticsearch API
  uri:
    url: "https://{{ node_certs_generator_ip }}:{{ elasticsearch_http_port }}/_cluster/health/"
    user: "elastic" # Default Elasticsearch user is always "elastic"
    password: "{{ elasticsearch_xpack_security_password }}"
    validate_certs: no
    status_code: 200,401
    return_content: yes
    force_basic_auth: yes
    timeout: 4
  register: _result
  until: (  _result.json is defined) and (_result.json.status == "green")
  retries: 24
  delay: 5
  when:
    - elasticsearch_xpack_users is defined

- name: Create elasticsearch users
  uri:
    url: "https://{{ node_certs_generator_ip }}:{{ elasticsearch_http_port }}/_security/user/{{ item.key }}"
    method: POST
    body_format: json
    user: "elastic"
    password: "{{ elasticsearch_xpack_security_password }}"
    body: '{ "password" : "{{ item.value["password"] }}", "roles" : {{ item.value["roles"] }} }'
    validate_certs: no
    force_basic_auth: yes
  loop: "{{ elasticsearch_xpack_users|default({})|dict2items }}"
  register: http_response
  failed_when: http_response.status != 200
  when:
    - elasticsearch_xpack_users is defined