ansible/roles/ubuntu-worker/tasks/rebar.yml

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- name: create rebar group
  group:
    name: rebar
    state: present

- name: create rebar user
  user:
    name: rebar
    createhome: yes
    group: rebar
    state: present

- name: download rebar
  get_url:
    url: https://github.com/rebar/rebar/archive/{{ rebar_version }}.tar.gz
    dest: /home/rebar/

- name: unpack rebar
  unarchive:
    dest: /home/rebar
    creates: /home/rebar/rebar-{{ rebar_version }}/bootstrap
    group: rebar
    owner: rebar
    src: /home/rebar/rebar-{{ rebar_version }}.tar.gz

- name: bootstrap rebar
  command: ./bootstrap
  args:
    chdir: /home/rebar/rebar-{{ rebar_version }}
    creates: /home/rebar/rebar-{{ rebar_version }}/rebar

- name: copy rebar executable
  command: cp /home/rebar/rebar-{{ rebar_version }}/rebar /usr/local/bin/
  args:
    creates: /usr/local/bin/rebar