Ansible role for installing docker on a host

Features:

• installs latest docker-ce
• installs docker python module
• installs docker-compose
• (optional) installs support for docker buildx multiarchitecture builds
• (optional) performs a docker system prune

Requirements

Provisioning host:

• ansible 2.15 or later

Host that will run docker

• Ubuntu 22.04 or later (or equivalent Debian-based distro running apt)

How to use this role

Add this role to your Ansible playbook file.

- name: install docker
  role: xronos_docker_ansible

Variables

• docker_prune (= true): prune docker containers, images and networks.
• docker_multiarch (= false): install QEMU and optionally containerd-shapshot.
• docker_multiarch_containerd_snapshot (= false): use containerd-shapshot and create a buildx builder using the docker-container driver. Ignored if docker_multiarch is false.
• docker_multiarch_containerd_builder_name (= multiarch): docker buildx container name for multiarchitecture builds. Used only if docker_multiarch and docker_multiarch_containerd_snapshot are true.
• docker_auth (= ''): docker authentication token. When present, is written to the user's docker config.json.
• docker_add_ansible_user_to_docker_group (= true): Add current Ansible user to group 'docker'?