ubuntu@ip-10-128-0-86:~/deployments/plays$ cat graylog.yml
- name: Apply Roles for Gray Log
  hosts: tag_Application_graylog
  become: True
  vars:
    graylog_install_elasticsearch: False
    graylog_install_mongodb:       False
    graylog_install_nginx:         False
    graylog_install_java:          False

  roles:

    - role: geerlingguy.java
      when: ansible_distribution_release == 'xenial'
      java_packages:
        - openjdk-8-jdk
      tags:
        - elasticsearch
        - graylog
        - graylog_servers

    - role: elastic.elasticsearch
      tags:
        - elasticsearch
        - graylog_servers

    - role: jdauphant.nginx
      tags:
        - nginx
        - graylog_servers

    - role: Graylog2.graylog-ansible-role
      tags:
        - graylog
        - graylog_servers