Ansible role: docker

Description

Install and configure docker containerization platform.

Requirements

Ansible >= 2.4

Role Variables

All variables which can be overridden are stored in defaults/main.yml file as well as in table below.

Name	Default Value	Description
`docker_compose`	yes	Install docker-compose package
`docker_proxy`	no	Enable HTTP proxy setup
`docker_http_proxy`	""	HTTP proxy server address
`docker_https_proxy`	""	HTTPS proxy server address
`docker_no_proxy`	""	Comma-separated list of hosts which won't use HTTP proxy
`docker_version`	"17.06"	docker version which should be installed on target server. Can use `latest` for updates
`docker_default_config`	[ storage-driver: devicemapper, log-level: info ]	Docker daemon configuration
`docker_users`	[]	Add users to docker group. Users must exist before adding. Construct like `- {{ ansible_env['SUDO_USER'] \| default(ansible_user_id) }}` could be used to specify user which is used for ansible connection to host.

Example

Playbooks

Just install Docker with default config

- hosts: servers
  roles:
    - mongrelion.docker

Install and configure docker daemon

- hosts: servers
  roles:
    - role: mongrelion.docker
      docker_config:
        live-restore: true
        userland-proxy: false

Local Testing

The preferred way of locally testing the role is to use Docker and molecule (v2.x). You will have to install Docker on your system. See "Get started" for a Docker package suitable to for your system. We are using tox to simplify process of testing on multiple ansible versions. To install tox execute:

pip install tox

To run tests on all ansible versions (WARNING: this can take some time)

tox

To run a custom molecule command on custom environment with only default test scenario:

tox -e py27-ansible25 -- molecule test -s default

For more information about molecule go to their docs.

If you would like to run tests on remote docker host just specify DOCKER_HOST variable before running tox tests.

License

This project is licensed under MIT License. See LICENSE for more details.

Author Information

You can find me on Twitter: @mongrelion

Contributors

Carlos Leon (@mongrelion)
Paweł Krupa (@paulfantom)
Marcus Levine (@marcusianlevine)
Manuel Hutter (@mhutter)
Dmitri Bichko (@dbichko)
Zane Westover (@zanewestover)
Bruce Becker (@brucellino)
David Wahlstrom (@drwahl)
Max Oreshnikov (@maxim0r)
Nicholas E. Rabenau (@nerab)
Petr Balogh (@petr-balogh)
ramz (@ageekymonk)

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