---

- name: Prereqs and SSL support for apt for SSL
  become: yes
  apt:
    name: "{{ item }}"
    update_cache: yes
    cache_valid_time: 3600
  with_items:
    - apt-transport-https
    - ca-certificates
    - python-pip

- name: Docker Apt Key
  become: yes
  apt_key:
    data: "{{ lookup('file', 'docker_apt_key.gpg') }}"

- name: Docker repository
  become: yes
  apt_repository:
    repo: "{{ docker_apt_repo }}"

- name: Install docker engine
  become: yes
  apt:
    name: docker-engine=1.12*
    force: yes
    update_cache: yes
    cache_valid_time: 3600

# docker fails without docker-py, docker-compose >1.9 fails with docker-py installed
- name: Install docker-compose
  become: yes
  pip:
    name: "{{ item }}"
  with_items:
    - docker-py
    - docker-compose==1.9

- name: Make current user part of the Docker group
  become: yes
  user:
    name: "{{ ansible_user_id }}"
    groups: "docker"
    append: yes