---
- name: Trust Elastic GPG key
  become: true
  apt_key:
    data: "{{ lookup('file', 'elastic.gpg') }}"
    state: present

- name: Install Elastic OSS repository
  become: true
  apt_repository:
    repo: deb https://artifacts.elastic.co/packages/oss-7.x/apt stable main
    state: present
    filename: elastic-oss-7

- name: Install default JRE
  become: true
  apt:
    name: default-jre-headless
    state: latest
...