Documentation

docker_config

Manage Docker daemon configuration (daemon.json).

Attributes

check_mode:
  support: full

Parameters

Parameter	Type	Values	Description
backup	boolean		Create a backup before modifying. [default: `false`]
debug	boolean		Enable debug mode.
default_ulimits	object		Default ulimits for containers.
disable_legacy_registry	boolean		Disable legacy registry (v1) support.
hosts	array		Docker hosts to listen on (e.g., [“tcp://0.0.0.0:2375”, “unix:///var/run/docker.sock”]).
key	string		Arbitrary configuration key using dot notation.
live_restore	boolean		Enable live restore of containers when daemon shuts down.
log_driver	string		Default logging driver for containers.
log_opts	object		Logging driver options as key-value pairs.
max_concurrent_downloads	integer		Maximum number of concurrent downloads per pull.
max_concurrent_uploads	integer		Maximum number of concurrent uploads per push.
path	string		Path to the Docker daemon.json file. [default: `/etc/docker/daemon.json`]
registry_mirrors	array		List of Docker registry mirrors.
reload	boolean		Restart Docker daemon after configuration change. [default: `false`]
state	string	present absent	Whether configuration should exist or not. [default: `"present"`]
storage_driver	string		Docker storage driver (e.g., overlay2, devicemapper).
tls	boolean		TLS configuration.
tlscacert	string		Path to TLS CA certificate.
tlscert	string		Path to TLS certificate.
tlskey	string		Path to TLS key.
userland_proxy	boolean		Enable userland proxy for loopback addresses.
value			Value to set for arbitrary key.

Examples

- name: Set Docker storage driver
  docker_config:
    storage_driver: overlay2

- name: Configure Docker registry mirrors
  docker_config:
    registry_mirrors:
      - "https://mirror1.example.com"
      - "https://mirror2.example.com"

- name: Set Docker log configuration
  docker_config:
    log_driver: json-file
    log_opts:
      max-size: 10m
      max-file: 3

- name: Configure Docker live restore
  docker_config:
    live_restore: true

- name: Set multiple Docker options
  docker_config:
    storage_driver: overlay2
    default_ulimits:
      nofile:
        name: nofile
        hard: 65536
        soft: 65536
    userland_proxy: false

- name: Remove a configuration option
  docker_config:
    userland_proxy: null
    state: absent

- name: Configure Docker with custom path
  docker_config:
    path: /etc/docker/daemon.json
    storage_driver: overlay2
    backup: true