Installs and configures Elasticsearch 5.x, 6.x, or 7.x.

This role is tested on Ansible 2.6, 2.7, and 2.8 using the distributions below. Other operating systems and versions may work, YMMV.

• Ubuntu 18.04
• Ubuntu 16.04
• Centos 7
• Amazon Linux 2

Also, this role uses the json_query Ansible filter, which requires the jmespath library be installed on the Ansible workstation.

See defaults/main.yml for a list and description of variables used in this role.

- hosts: servers
  vars:
    es_version: "6.2.2"
    es_config:
      bootstrap.memory_lock: true
  roles:
     - role: elasticsearch