ansible-role-elasticsearch/test/integration/upgrade.yml

---
- name: Deploy Elasticsearch previous version
  hosts: localhost
  post_tasks:
    - include_tasks: elasticsearch/test/integration/debug.yml
  roles:
    - elasticsearch
  vars:
    es_version: "{{ '7.0.0' if es_major_version == '7.x' else '6.7.1' }}"

- name: Deploy Elasticsearch latest version
  hosts: localhost
  post_tasks:
    - include_tasks: elasticsearch/test/integration/debug.yml
  roles:
    - elasticsearch