Ansible Role docker

This role installs and configures docker.

Runs on

RHEL 8 (and compatible)

Mandatory Requirements

Enable the official docker repository. This can be done using the linuxfabrik.lfops.repo_docker role.

If you use the „docker“ Playbook, this is automatically done for you.

Tags

Tag	What it does
`docker`	Installs and configures docker
`docker:state`	Manages the state of the docker service

Optional Role Variables

Variable	Description	Default Value
`docker__daemon_json_dns`	A list of DNS server for all Docker containers.	The server’s nameserver
`docker__daemon_json_insecure_registries`	A list of insecure registries (without TLS) which should be accepted by the docker daemon.	unset
`docker__daemon_json_log_driver`	The default logging driver for all containers. Possible options: https://docs.docker.com/config/containers/logging/configure/.	`'syslog'`
`docker__daemon_json_log_opts`	A dictionary of logging options. Possible options: https://docs.docker.com/config/containers/logging/configure/.	unset
`docker__service_enabled`	Enables or disables the docker service, analogous to `systemctl enable/disable`.	`true`
`docker__service_state`	Changes the state of the docker service, analogous to `systemctl start/stop/restart/reload`. Possible options: * `started` * `stopped` * `restarted` * `reloaded`	`'started'`

Example:

# optional
docker__daemon_json_dns:
  - '{{ ansible_facts["dns"]["nameservers"][0] }}'
  - 'dns.example.com'
docker__daemon_json_insecure_registries:
  - 'registry.example.com:5000'
docker__daemon_json_log_driver: 'syslog'
docker__daemon_json_log_opts:
  env: 'os,customer'
  labels: 'somelabel'
  max-file: '5'
  max-size: '11m'
docker__service_enabled: true
docker__service_state: 'started'

License

The Unlicense

Author Information

Linuxfabrik GmbH, Zurich