infrastructure/roles/docker/tasks/main.yml

---
# Tasks file for the docker role

# Infrastructure
# Ansible instructions to deploy the infrastructure
# Copyright (C) 2019-2020  Christoph (Sheogorath) Kern
# Copyright (C) 2020       Saibotk
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

- name: "Select tasks for {{ ansible_distribution }} {{ ansible_distribution_major_version }}"
  include_tasks: "{{ distro_file }}"
  with_first_found:
    - "{{ ansible_distribution }}-{{ ansible_distribution_major_version }}.yml"
    - "{{ ansible_distribution }}.yml"
    - "{{ ansible_os_family }}.yml"
  loop_control:
    loop_var: distro_file

- name: Install Docker.
  package:
    name: "{{ docker_package }}"
    state: "{{ docker_package_state }}"
  notify: Restart docker
  become: true

- name: Ensure Docker is started and enabled at boot.
  service:
    name: docker
    state: "{{ docker_service_state }}"
    enabled: "{{ docker_service_enabled | bool }}"
  become: true

- name: Ensure handlers are notified now to avoid firewall conflicts.
  meta: flush_handlers

- name: Install docker python package.
  pip:
    name: "{{ docker_pip_package }}"
    state: "{{ docker_pip_package_state }}"
    virtualenv: "{{ docker_python_package_path }}"
    virtualenv_python: "python{{ ansible_python_version | regex_search('\\d+\\.\\d+') }}"
    version: "{{ docker_pip_package_version }}"
  become: true
  changed_when: false
  when: docker_python_package_install