docker

Ansible Role: Docker

An Ansible Role that installs Docker on Linux.

Requirements

None.

Role Variables

Available variables are listed below, along with default values (see defaults/main.yml):

# Edition can be one of: 'ce' (Community Edition) or 'ee' (Enterprise Edition).
docker_edition: 'ce'
docker_packages: 
  - "docker-{{ docker_edition }}"
  - "docker-{{ docker_edition }}-cli" 
  - containerd.io
docker_packages_state: present

The docker_edition should be either ce (Community Edition) or ee (Enterprise Edition). You can also specify a specific version of Docker to install using the distribution-specific format: Red Hat/CentOS: docker-{{ docker_edition }}-<VERSION>; Debian/Ubuntu: docker-{{ docker_edition }}=<VERSION>.

You can control whether the package is installed, uninstalled, or at the latest version by setting docker_package_state to present, absent, or latest, respectively. Note that the Docker daemon will be automatically restarted if the Docker package is updated. This is a side effect of flushing all handlers (running any of the handlers that have been notified by this and any other role up to this point in the play).

docker_service_state: started
docker_service_enabled: true
docker_restart_handler_state: restarted

Variables to control the state of the docker service, and whether it should start on boot. If you're installing Docker inside a Docker container without systemd or sysvinit, you should set these to stopped and set the enabled variable to no.

docker_install_compose: true
docker_compose_version: "1.25.0"
docker_compose_path: /usr/local/bin/docker-compose

Docker Compose installation options.

docker_apt_release_channel: stable
docker_apt_arch: amd64
docker_apt_repository: "deb [arch={{ docker_apt_arch }}] https://download.docker.com/linux/{{ ansible_distribution|lower }} {{ ansible_distribution_release }} {{ docker_apt_release_channel }}"
docker_apt_ignore_key_error: True
docker_apt_version: "5:18.09"

(Used only for Debian/Ubuntu.) You can switch the channel to edge if you want to use the Edge release. If you need to pin the docker version you can set docker_apt_version. It defaults to the latest available though.

docker_yum_repo_url: https://download.docker.com/linux/{{ (ansible_distribution == "Fedora") | ternary("fedora","centos") }}/docker-{{ docker_edition }}.repo
docker_yum_repo_enable_edge: 0
docker_yum_repo_enable_test: 0

(Used only for RedHat/CentOS.) You can enable the Edge or Test repo by setting the respective vars to 1.

docker_users:
  - user1
  - user2

A list of system users to be added to the docker group (so they can use Docker on the server).

Dependencies

None.

Example Playbook

- hosts: all
  roles:
    - shestera.docker

License

MIT / BSD

Install
ansible-galaxy install shestera/ansible-role-docker
GitHub repository
License
mit
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20