Ansible role for 7.x/6.x Elasticsearch. Currently this works on Debian and RedHat-based Linux systems. The latest Elasticsearch versions of 7.x & 6.x are actively tested. Elasticsearch default version is described in es_version. You can override this variable in your playbook to install another version. While we are testing this role only with one 7.x and one 6.x version. All Elasticsearch configuration parameters are supported. This is achieved using a configuration map parameter 'es_config...