ansible/roles/docker/tasks/main.yml

# vim: ft=yaml.ansible
---
- name: add docker gpg key
  apt_key:
    keyserver: pgp.mit.edu
    id: 8D81803C0EBFCD88
    state: present

- name: add docker apt repository
  apt_repository:
    repo: deb https://download.docker.com/linux/ubuntu bionic stable
    state: present
    update_cache: yes

- name: install docker-ce
  apt:
    name: docker-ce
    state: present

- name: install docker python bindings
  pip:
    executable: pip3
    name: "{{ packages }}"
    state: present
  vars:
    packages:
      - docker
      - docker-compose

- name: Configure cron job to prune unused Docker data weekly
  cron:
    name: Prune unused Docker data
    cron_file: ansible_docker_prune
    job: 'docker system prune -fa && docker volume prune -fa'
    special_time: weekly
    user: root
    state: present

- name: create folder structure for bind mounts
  file:
    name: "{{ volume_root_folder }}"
    state: directory

- name: setup services
  import_tasks: services.yml
  tags:
    - setup_services