docker (422) Versions 1.0.14 Follow302

Provides docker_service, docker_image, and docker_container resources

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Docker Cookbook

The Docker Cookbook is a library cookbook that provides resources
(LWRPs) for use in recipes.

Scope

This cookbook is concerned with the Docker
container engine as distributed by Docker, Inc. It does not address
Docker ecosystem tooling or prerequisite technology such as cgroups or
aufs.

Requirements

Chef 12 or higher
Ruby 1.9 or higher (preferably, the Chef full-stack installer)
Network accessible web server hosting the docker binary.
SELinux permissive/disabled if CentOS Docker Issue #15498

Platform Support

The following platforms have been tested with Test Kitchen: You may be
able to get it working on other platforms, with appropriate
configuration of cgroups and storage back ends.

|--------------+-------+-------+-------|
|              | 1.6.2 | 1.7.1 | 1.8.1 |
|--------------+-------+-------+-------|
| debian-8     | X     | X     | x     |
|--------------+-------+-------+-------|
| centos-7     | X     | X     | x     |
|--------------+-------+-------+-------|
| fedora-21    | X     | X     | x     |
|--------------+-------+-------+-------|
| ubuntu-14.04 | X     |       |       |
|--------------+-------+-------+-------|
| ubuntu-15.04 | X     | X     | x     |
|--------------+-------+-------+-------|

Cookbook Dependencies

none!

Usage

Add depends 'docker', '~> 1.0' to your cookbook's metadata.rb
Use resources shipped in cookbook in a recipe, the same way you'd use core Chef resources (file, template, directory, package, etc).

docker_service 'default' do
  action [:create, :start]
end

docker_image 'busybox' do
  action :pull
end

docker_container 'an echo server' do
  repo 'busybox'
  port '1234:1234'
  command "nc -ll -p 1234 -e /bin/cat"
end

Test Cookbooks as Examples

The cookbooks ran under test-kitchen make excellent usage examples.

The test recipes are found at:
ruby test/cookbooks/docker_test/ test/cookbooks/docker_service_test/

Cgroups, Execution and Storage drivers

Beginning in chef-docker 1.0, support for LXC execution driver has
been removed in favor of native. Cgroups and storage drivers are now
loosely coupled dependencies and should be configured using other
cookbooks if needed.

Storage drivers can be selected with the storage_driver property on
the docker_service resource like this:

docker_service 'default' do
   storage_driver 'overlay'
end

Configuration of the backing storage driver, including kernel module
loading, is out of scope for this cookbook.

Resources Overview

docker_service: docker daemon installation and configuration
docker_image: image/repository operations
docker_tag: image tagging operations
docker_container: container operations
docker_registry: registry operations

Getting Started

Here's a quick example of pulling the latest image and running a
container with exposed ports.

# Pull latest image
docker_image 'nginx' do
  tag 'latest'
  action :pull
  notifies :redeploy, 'docker_container[my_nginx]'
end

# Run container exposing ports
docker_container 'my_nginx' do
  repo 'nginx'
  tag 'latest'
  port '80:80'
  hostname 'www'
  domain_name 'computers.biz'
  env 'FOO=bar'
  binds [ '/some/local/files/:/etc/nginx/conf.d' ]
end

You might run a private registry

# Login to private registry
docker_registry 'https://registry.computers.biz/' do
  username 'shipper'
  password 'iloveshipping'
  email 'shipper@computers.biz'
end

# Pull tagged image
docker_image 'registry.computers.biz:443/my_project/my_container' do
  tag 'latest'
  action :pull
end

# Run container
docker_container 'crowsnest' do
  repo 'registry.computers.biz:443/my_project/my_container'
  tag 'latest'
  action :run
end

See full documentation for each resource and action below for more
information.

Resources Details

The docker_service, docker_image, docker_container,
and docker_registry resources are documented in full below.

docker_service

The docker_service manages a Docker daemon.

The :create action manages software installation.
The :start action manages the running docker service on the machine.

The service management strategy for the host platform is dynamically
chosen based on platform, but can be overridden. See the "providers"
section below for more information.

Example

docker_service 'tls_test:2376' do
  host ["tcp://#{node['ipaddress']}:2376", 'unix:///var/run/docker.sock']
  tlscacert '/path/to/ca.pem'
  tlscert '/path/to/server.pem'
  tlskey '/path/to/serverkey.pem'
  tlsverify true
  provider Chef::Provider::DockerService::Systemd
  action [:create, :start]
end

WARNING - As of the 1.0 version of this cookbook, docker_service
is a singleton resource. This means that if you create multiple
docker_service resources on the same machine, you will only
create one actual service and things may not work as expected.

Properties

The docker_service resource property list mostly corresponds to
the options found in the
Docker Command Line Reference

source - URL to the pre-compiled Docker binary used for installation. Defaults to a calculated URL based on kernel version, Docker version, and platform arch. By default, this will try to get to "http://get.docker.io/builds/".
version - Docker version to install
checksum - sha256 checksum of Docker binary
instance - Identity for docker_service resource. Defaults to name. Mostly unimportant for the 1.0 version because of its singleton status. | String | nil
api_cors_header - Set CORS headers in the remote API
bridge - Attach containers to a network bridge
bip - Specify network bridge IP
debug - Enable debug mode
daemon - Enable daemon mode
dns - DNS server to use
dns_search - DNS search domains to use
exec_driver - Exec driver to use
fixed_cidr - IPv4 subnet for fixed IPs
fixed_cidr_v6 - IPv6 subnet for fixed IPs
group - Posix group for the unix socket
graph - Root of the Docker runtime - Effectively, the "data directory"
host - Daemon socket(s) to connect to - tcp://host:port, unix:///path/to/socket, fd://* or fd://socketfd
icc - Enable inter-container communication
ip - Default IP when binding container ports
ip_forward - Enable ip forwarding
ipv4_forward - Enable net.ipv4.ip_forward
ipv6_forward - Enable net.ipv6.ip_forward
ip_masq - Enable IP masquerading
iptables - Enable addition of iptables rules
ipv6 - Enable IPv6 networking
log_level - Set the logging level
label - Set key=value labels to the daemon
log_driver - Container's logging driver (json-file/none)
mtu - Container's logging driver (json-file/none)
pidfile - Path to use for daemon PID file
registry_mirror - Preferred Docker registry mirror
storage_driver - Storage driver to use
selinux_enabled - Enable selinux support
storage_opt - Set storage driver options
tls - Use TLS; implied by --tlsverify
tlscacert - Trust certs signed only by this CA
tlscert - Path to TLS certificate file
tlskey - Path to TLS key file
tlsverify - Use TLS and verify the remote
default_ulimit - Set default ulimit settings for containers
http_proxy - ENV variable set before for Docker daemon starts
https_proxy - ENV variable set before for Docker daemon starts
no_proxy - ENV variable set before for Docker daemon starts
tmpdir - ENV variable set before for Docker daemon starts
logfile - Location of Docker daemon log file

Actions

:create - Lays the Docker bits out on disk
:delete - Removes the Docker bits from the disk
:start - Makes sure the service provider is set up properly and start it
:stop - Stops the service
:restart - Restarts the service

Providers

Chef::Provider::DockerService::Execute - The simplest provider. Just
starts a process. Fire and forget.
Chef::Provider::DockerService::Sysvinit - Uses a SystemV init script
to manage the service state.
Chef::Provider::DockerService::Upstart - Uses an Upstart script to
manage the service state.
Chef::Provider::DockerService::Systemd - Uses an Systemd unit file to
manage the service state. NOTE: This does NOT enable systemd socket
activation.

docker_image

The docker_image is responsible for managing Docker image pulls,
builds, and deletions. It speaks directly to the
Docker remote API.

Examples

default action, default properties
ruby docker_image 'hello-world'

non-default name attribute
ruby docker_image "Tom's container" do repo 'tduffield/testcontainerd' action :pull end

pull every time
ruby docker_image 'busybox' do action :pull end

specify a tag
ruby docker_image 'alpine' do tag '3.1' end

specify read/write timeouts
ruby docker_image 'alpine' do read_timeout 60 write_timeout 60 end

docker_image 'vbatts/slackware' do
  action :remove
end

save
ruby docker_image 'save hello-world' do repo 'hello-world' destination '/tmp/hello-world.tar' not_if { ::File.exist? '/tmp/hello-world.tar' } action :save end

build from a Dockerfile on every chef-client run
ruby docker_image 'image_1' do tag 'v0.1.0' source '/src/myproject/container1/Dockerfile' action :build end

build from a directory, only if image is missing
ruby docker_image 'image_2' do tag 'v0.1.0' source '/src/myproject/container2' action :build_if_missing end

build from a tarball
NOTE: this is not an "export" tarball generated from an an image save.
The contents should be a Dockerfile, and anything it references to
COPY or ADD

docker_image 'image_3' do
  tag 'v0.1.0'
  source '/tmp/image_3.tar'
  action :build
end

docker_image 'hello-again' do
  tag 'v0.1.0'
  source '/tmp/hello-world.tar'
  action :import
end

push
ruby docker_image 'my.computers.biz:5043/someara/hello-again' do action :push end

Properties

The docker_image resource properties mostly corresponds to the
Docker Remote API
as driven by the
Swipley docker-api Ruby gem

A docker_image's full identifier is a string in the form
"<repo>:<tag>". There is some nuance around the naming when the public
registry vs a private one.

repo - aka image_name - The first half of a Docker image's identity. This is a string in the form: registry:port/owner/image_name. If the registry:port portion is left off, Docker will implicitly use the Docker public registry. "Official Images" omit the owner part. This means a repo id can look as short as busybox, alpine, or centos, to refer to official images on the public registry, and as long as my.computers.biz:5043:/what/ever to refer to custom images on an private registry. Often you'll see something like someara/chef to refer to private images on the public registry. - Defaults to resource name.
tag - The second half of a Docker image's identity. - Defaults to latest
source - Path to input for the :import, :build and :build_if_missing actions. For building, this can be a Dockerfile, a tarball containing a Dockerfile in its root, or a directory containing a Dockerfile. For import, this should be a tarball containing Docker formatted image, as generated with :save.
destination - Path for output from the :save action.
force - A force boolean used in various actions - Defaults to false
nocache - Used in :build operations. - Defaults to false
noprune - Used in :remove operations - Defaults to false
rm - Remove intermediate containers after a successful build (default behavior) - Defaults to true
read_timeout - May need to increase for long image builds/pulls
write_timeout - May need to increase for long image builds/pulls

Actions

The following actions are available for a docker_image resource.
Defaults to pull_if_missing

:pull - Pulls an image from the registry
:pull_if_missing - Pulls an image from the registry, only if it missing
:build - Builds an image from a Dockerfile, directory, or tarball
:build_if_missing - Same build, but only if it is missing
:save - Exports an image to a tarball at destination
:import - Imports an image from a tarball at destination
:remove - Removes (untags) an image
:push - Pushes an image to the registry

docker_tag

Docker tags work very much like hard links in a Unix filesystem. They
are just references to an existing image. Therefore, the docker_tag
resource has taken inspiration from the Chef link resource.

Examples

docker_tag 'private repo tag for hello-again:1.0.1' do
  target_repo 'hello-again'
  target_tag 'v0.1.0'
  to_repo 'localhost:5043/someara/hello-again'
  to_tag 'latest'
  action :tag
end

Properties

target_repo - The repo half of the source image identifier.
target_tag - The tag half of the source image identifier.
to_repo - The repo half of the new image identifier
to_tag- The tag half of the new image identifier

Actions

:tag - Tags the image

docker_container

The docker_container is responsible for managing Docker container
actions. It speaks directly to the Docker remote API.

Containers are process oriented, and move through an event cycle.
Thanks to Glider Labs for this excellent diagram.
alt tag

Examples

Create a container without starting it.

docker_container 'hello-world' do
  command '/hello'
  action :create
end

This command will exit succesfully. This will happen on every
chef-client run.

docker_container 'busybox_ls' do
  repo 'busybox'
  command 'ls -la /'
  action :run
end

The :run_if_missing action will only run once. It is the default action.

docker_container 'alpine_ls' do
  repo 'alpine'
  tag '3.1'
  command 'ls -la /'
  action :run_if_missing
end

Set environment variables in a container

docker_container 'env' do
  repo 'debian'
  env ['PATH=/usr/bin', 'FOO=bar']
  command 'env'
  action :run_if_missing
end

This process remains running between chef-client runs, :run will do nothing on subsequent converges.

docker_container 'an_echo_server' do
  repo 'alpine'
  tag '3.1'
  command 'nc -ll -p 7 -e /bin/cat'
  port '7:7'
  action :run
end

Let docker pick the host port

docker_container 'another_echo_server' do
  repo 'alpine'
  tag '3.1'
  command 'nc -ll -p 7 -e /bin/cat'
  port '7'
  action :run
end

Specify the udp protocol

docker_container 'an_udp_echo_server' do
  repo 'alpine'
  tag '3.1'
  command 'nc -ul -p 7 -e /bin/cat'
  port '5007:7/udp'
  action :run
end

Kill a container

docker_container 'bill' do
  action :kill
end

Stop a container

docker_container 'hammer_time' do
  action :stop
end

Pause a container

docker_container 'red_light' do
  action :pause
end

Unpause a container

docker_container 'green_light' do
  action :unpause
end

Restart a container

docker_container 'restarter' do
  action :restart
end

Delete a container

docker_container 'deleteme' do
  remove_volumes true
  action :delete
end

Redeploy a container

docker_container 'redeployer' do
  repo 'alpine'
  tag '3.1'
  command 'nc -ll -p 7777 -e /bin/cat'
  port '7'
  action :run
end

execute 'redeploy redeployer' do
  notifies :redeploy, 'docker_container[redeployer]', :immediately
  action :run
end

Bind mount local directories

docker_container 'bind_mounter' do
  repo 'busybox'
  command 'ls -la /bits /more-bits'
  binds ['/hostbits:/bits', '/more-hostbits:/more-bits']
  action :run_if_missing
end

Mount volumes from another container

docker_container 'chef_container' do
  command 'true'
  volumes '/opt/chef'
  action :create
end

docker_container 'ohai_debian' do
  command '/opt/chef/embedded/bin/ohai platform'
  repo 'debian'
  volumes_from 'chef_container'
end

Set a container's entrypoint

docker_container 'ohai_again_debian' do
  repo 'debian'
  volumes_from 'chef_container'
  entrypoint '/opt/chef/embedded/bin/ohai'
  command 'platform'
  action :run_if_missing
end

Automatically remove a container after it exits

docker_container 'sean_was_here' do
  command "touch /opt/chef/sean_was_here-#{Time.new.strftime('%Y%m%d%H%M')}"
  repo 'debian'
  volumes_from 'chef_container'
  autoremove true
  action :run
end

Grant NET_ADMIN rights to a container

docker_container 'cap_add_net_admin' do
  repo 'debian'
  command 'bash -c "ip addr add 10.9.8.7/24 brd + dev eth0 label eth0:0 ; ip addr list"'
  cap_add 'NET_ADMIN'
  action :run_if_missing
end

Revoke MKNOD rights to a container
ruby docker_container 'cap_drop_mknod' do repo 'debian' command 'bash -c "mknod -m 444 /dev/urandom2 c 1 9 ; ls -la /dev/urandom2"' cap_drop 'MKNOD' action :run_if_missing end

Set a container's hostname and domainname

docker_container 'fqdn' do
  repo 'debian'
  command 'hostname -f'
  host_name 'computers'
  domain_name 'biz'
  action :run_if_missing
end

Set a container's DNS resolution

docker_container 'dns' do
  repo 'debian'
  command 'cat /etc/resolv.conf'
  host_name 'computers'
  dns ['4.3.2.1', '1.2.3.4']
  dns_search ['computers.biz', 'chef.io']
  action :run_if_missing
end

Add extra hosts to a container's /etc/hosts

docker_container 'extra_hosts' do
  repo 'debian'
  command 'cat /etc/hosts'
  extra_hosts ['east:4.3.2.1', 'west:1.2.3.4']
  action :run_if_missing
end

Manage container's restart_policy

docker_container 'try_try_again' do
  repo 'alpine'
  tag '3.1'
  command 'grep asdasdasd /etc/passwd'
  restart_policy 'on-failure'
  restart_maximum_retry_count 2
  action :run_if_missing
end

docker_container 'reboot_survivor' do
  repo 'alpine'
  tag '3.1'
  command 'nc -ll -p 123 -e /bin/cat'
  port '123'
  restart_policy 'always'
  action :run_if_missing
end

Manage container links

docker_container 'link_source' do
  repo 'alpine'
  tag '3.1'
  env ['FOO=bar', 'BIZ=baz']
  command 'nc -ll -p 321 -e /bin/cat'
  port '321'
  action :run_if_missing
end

docker_container 'link_target_1' do
  repo 'alpine'
  tag '3.1'
  env ['ASD=asd']
  command 'ping -c 1 hello'
  links ['link_source:hello']
  action :run_if_missing
end

docker_container 'link_target_2' do
  repo 'alpine'
  tag '3.1'
  command 'env'
  links ['link_source:hello']
  action :run_if_missing
end

execute 'redeploy_link_source' do
  command 'touch /marker_container_redeploy_link_source'
  creates '/marker_container_redeploy_link_source'
  notifies :redeploy, 'docker_container[link_source]', :immediately
  notifies :redeploy, 'docker_container[link_target_1]', :immediately
  notifies :redeploy, 'docker_container[link_target_2]', :immediately
  action :run
end

Mutate a container between chef-client runs

docker_tag 'mutator_from_busybox' do
  target_repo 'busybox'
  target_tag 'latest'
  to_repo 'someara/mutator'
  target_tag 'latest'
end

docker_container 'mutator' do
  repo 'someara/mutator'
  tag 'latest'
  command "sh -c 'touch /mutator-`date +\"%Y-%m-%d_%H-%M-%S\"`'"
  outfile '/mutator.tar'
  force true
  action :run_if_missing
end

execute 'commit mutator' do
  command 'true'
  notifies :commit, 'docker_container[mutator]', :immediately
  notifies :export, 'docker_container[mutator]', :immediately
  notifies :redeploy, 'docker_container[mutator]', :immediately
  action :run
end

Specify read/write timeouts

docker_container 'api_timeouts' do
  repo 'alpine'
  read_timeout 60
  write_timeout 60
end

Properties

Most docker_container properties are the snake_case version of the
CamelCase keys found in the
Docker Remote Api

container_name - The name of the container. Defaults to the name of the docker_container resource.
repo - aka image_name. The first half of a the complete identifier for a Docker Image.
tag - The second half of a Docker image's identity. - Defaults to latest.
command - The command to run when starting the container.
autoremove - Boolean - Automatically delete a container when it's command exits. Defaults to false.
binds - An array of : separated paths to bind mount from the host into the container in the form ['/host-bits:/container-bits', '/more-host-bits:/more-container-bits']. Defaults to nil.
cap_add - An array Linux Capabilities (man 7 capabilities) to add to grant the container beyond what it normally gets.
cap_drop - An array Linux Capabilities (man 7 capabilities) to revoke that the container normally has.
cpu_shares - An integer value containing the CPU Shares for the container.
devices - A Hash of devices to add to the container.
dns - An array of DNS servers the container will use for name resolution.
dns_search - An array of domains the container will search for name resolution.
domain_name - Set's the container's dnsdomainname as returned by the dnsdomainname command.
entry_point - Set the entry point for the container as a string or an array of strings.
env - Set environment variables in the container in the form ['FOO=bar', 'BIZ=baz']
extra_hosts - An array of hosts to add to the container's /etc/hosts in the form ['host_a:10.9.8.7', 'host_b:10.9.8.6']
force - A boolean to use in container operations that support a force option. Defaults to false
host_name - The hostname for the container.
links - An array of source container/alias pairs to link the container to in the form [container_a:www', container_b:db']
mac_address - The mac address for the container to use.
memory - Memory limit in bytes.
memory_swap - Total memory limit (memory + swap); set -1 to disable swap. You must use this with memory and make the swap value larger than memory.
network_disabled - Boolean to disable networking. Defaults to false.
network_mode - Sets the networking mode for the container.
open_stdin - Boolean value, opens stdin. Defaults to false.
outfile - The path to write the file when using :export action.
port - The port configuration to use in the container. Matches the syntax used by the docker CLI tool.
privileged - Boolean to start the container in privileged more. Defaults to false
publish_all_ports - Allocates a random host port for all of a container’s exposed ports.
remove_volumes - A boolean to clean up "dangling" volumes when removing the last container with a reference to it. Default to false to match the Docker CLI behavior.
restart_policy - One of no, on-failure, or always. Use always if you want a service container to survive a Dockerhost reboot. Defaults to no.
restart_maximum_retry_count - Maximum number of restarts to try when restart_policy is on-failure. Defaults to an ever increasing delay (double the previous delay, starting at 100mS), to prevent flooding the server.
security_opts - A list of string values to customize labels for MLS systems, such as SELinux.
signal - The signal to send when using the :kill action. Defaults to SIGKILL.
tty - Boolean value to allocate a pseudo-TTY. Defaults to false.
user - A string value specifying the user inside the container.
volumes - An Array of paths inside the container to expose. Does the same thing as the VOLUME directive in a Dockerfile, but works on container creation.
volumes_from - A list of volumes to inherit from another container. Specified in the form <container name>[:<ro|rw>]
working_dir - A string specifying the working directory for commands to run in.
read_timeout - May need to increase for commits or exports that are slow
write_timeout - May need to increase for commits or exports that are slow

Actions

:create - Creates the container but does not start it. Useful for Volume containers.
:start - Starts the container. Useful for containers that run jobs.. command that exit.
:run - Both :create and :start the container in one action.
:run_if_missing - The default action. Runs a container only once.
:stop - Stops the container.
:restart - Stops the starts the container.
:kill - Send a signal to the container process. Defaults to SIGKILL.
:pause - Pauses the container.
:unpause - Unpauses the container.
:delete - Deletes the container.
:redeploy - Deletes and runs the container.

docker_registry

The docker_registry resource is responsible for managing the
connection auth information to a Docker registry.

Log into or register with public registry:

docker_registry 'https://index.docker.io/v1/' do
  username 'publicme'
  password 'hope_this_is_in_encrypted_databag'
  email 'publicme@computers.biz'
end

Log into private registry with optional port:

docker_registry 'my local registry' do
   serveraddress 'https://registry.computers.biz:8443/'
   username 'privateme'
   password 'still_hope_this_is_in_encrypted_databag'
   email privateme@computers.biz'
end

Testing and Development

Full development and testing workflow with Test Kitchen and friends: [TESTING.md](TESTING.md)

Contributing

Please see contributing information in: [CONTRIBUTING.md](CONTRIBUTING.md)

Maintainers

Tom Duffield (http://tomduffield.com)
Brian Flad (bflad417@gmail.com)
Fletcher Nichol (fnichol@nichol.ca)
Sean OMeara (sean@chef.io)

License

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

Dependent cookbooks

This cookbook has no specified dependencies.

Contingent cookbooks

v1.0.14

Adding api read and write timeouts

v1.0.13

Fixing docker_service CLI argument generation for log-driver mtu and pidfile

v1.0.12

Fixing platform_family string (redhat -> rhel) in docker_service sysvinit provider

v1.0.11

Renaming retries to api_retries to not conflict with Chef::Resource

v1.0.10

Accepting userland-proxy flag
Fix bug in parsed_storage_driver method
Correcting usage of ip_forwarding flag
Let Docker pick --log-level instead of defaulting to :info

v1.0.9

Fixing Upstart respawn limit

v1.0.8

#382 - Fixing docker_service to accept an array for storage_opt

v1.0.7

#381 - Removing prepended whitespace in DOCKER_OPTS

v1.0.6

#369 - Fixing up HostConfig.NetworkMode to work as expected

v1.0.5

#241 - Only updating docker_image resource on :pull if new bits were pulled on tag (useful for latest)
Changing docker_image default action to :pull

v1.0.4

#368 - Fixing port property to be kind_of [String, Array]
Adding missing detach property. Defaulting to false.

v1.0.3

#366 - Using docker_kernel instead of docker_arch in parsed_checksum

v1.0.2

#365 - Fix logic for parsing an array of hosts
#363 - Allow an array for port property

v1.0.1

Switching docker_service default TLS setting to false to it works out of the box

v1.0.0

vendoring the docker-api rubygem
docker_image and docker_container resources now use speak to the Docker Remote API instead of shelling out
docker_containers must now have unique names
"volumes" property now acts like the VOLUMES directive in a Dockerfile
added "binds" property for local mounting
standardizing on "repo" and "tag" as components of an image identifier

v0.43.0 (2015-07-28)

Updating README to reflect docker_image and docker_tag reality
Implementing rm, noprune, nocache and force on docker_image

v0.42.0 (2015-07-28)

removing docker_image :load and :tag action
adding docker_tag resource
renaming docker_tag image_name property to :repo; creating alias
implementing docker_image :push action

v0.41.0 (2015-07-26)

vendoring docker-api rubygem
beginning work to convert docker_image to use native API instead of shelling out
changing docker_image default action to :pull_if_missing
removing some deprecated interfaces

v0.40.3 (2015-07-14)

remove --no-trunc from docker container status in sysvinit script
#334 - docker_container tag property (issue 320)
#331 - docker_container ulimit property
#328 - Upstart job respawn status detection
#326 - Upstart job restart behavior fix sysvinit script examples
#236 - README#324 - Reference DOCKER_OPTS Amazon Linux#325

v0.40.2 (2015-07-14)

Support for older Chef versions

v0.40.1 (2015-07-08)

Changing host property to kind_of Array

v0.40.0 (2015-06-29)

Important changes with this release:

MAJOR INTERFACE CHANGE
Recipes replaced with docker_service resource*
Removing a ton of dependencies
Storage backends, kernel module loading, etc should now be handled externally
Updating for Docker 1.6.2
Preferring binary install method to OS packages

IMPORTANT
* attributes/ will be removed in the next release.
* most are currently non-functional
* All options will be driven through resource properties

v0.37.0

Please note some important changes with this release:

The sysconfig DOCKER_OPTS improvement in #250 can potentially change the behavior of that environment variable as it now allows shell interpolation of any embedded variables. This should not affect most environments. If your DOCKER_OPTS does contains any expected $, please escape via \$ for previous behavior or be sure it will behave as expected before upgrading.
The daemon restart option (which is deprecated) has been defaulted to nil instead of false when node['docker']['container_init_type'] is set to prevent issues with container restart policies. If you're dependent on the daemon option, please be sure to update your node['docker']['restart'] appropriately.
This release also defaults systemd docker host to fd:// to match upstream, enabling socket activation properly. Adjust node['docker']['host'] if necessary.
Bugfix: #239: Upstart: install inotify tools only once (avoid CHEF-3694 warning) (thanks jperville)
Bugfix: #240: Fixed dead service containers not being restarted on docker_container :run (thanks jperville)
Bugfix: #244: Made docker_container action :remove remove the actual upstart service file (thanks jperville)
Bugfix: #246: Lengthen shell_out timeout as workaround for slow docker_container action stop (thanks jperville)
Bugfix: #258: Fix checking docker container status on debian (thanks fxposter)
Bugfix: #260: Fix accidental port changing when using systemd templates (thanks fxposter)
Bugfix: #266: Get tests working on master (thanks tduffield)
Bugfix: #267: Replace outdated testcontainerd (thanks tduffield)
Bugfix: #269: Fix tests on Travis by following Rubocop style guidelines (container LWRP) (thanks fxposter)
Bugfix: #280 / #281: Fix port handling when omitted in container LWRP (thanks databus23)
Bugfix: #284 / #285: runit finish script to stop a container (thanks xmik)
Bugfix: [#288][]: Fix docker.socket unit for RHEL7 (thanks databus23)
Bugfix: #292: readme formatting fix (thanks wormzer)
Improvement: #208: Add CentOS/RHEL 7 support (thanks dermusikman and intoximeters)
Improvement: #232: Added support for insecure-registry docker daemon option (thanks jperville)
Improvement: #233 / #234: Added support for registry-mirror docker daemon option (thanks jperville and tarnfeld)
Improvement: #237: Deprecate the restart daemon option (thanks jperville)
Improvement: #238: Added docker_container restart attribute (thanks jperville)
Improvement: #242: Added docker_container action :create (thanks jperville)
Improvement: #245: Add a Gitter chat badge to README.md (thanks tduffield)
Improvement: #250: Use double-quotes for DOCKER_OPTS (thanks rchekaluk)
Improvement: #259: Use registry on image inspection (thanks fxposter)
Improvement: #263: Add additional_host attribute to container resource (thanks fxposter)
Improvement: #264 / #265: Access keyserver.ubuntu.com on port 80 (thanks sauraus)
Improvement: #268: Updated the /etc/init/docker.conf template (thanks jperville)
Improvement: #276: Added support for docker options device and cap-add (thanks hvolkmer)
Improvement: #279: Allow docker_container memory to have String value (eg. memory='1G') (thanks jperville)
Improvement: #287: redhat 7 does not need the epel repository (thanks databus23)
Improvement: #289: Update systemd service/socket files (from upstream) (thanks databus23)
Improvement: #296: Default systemd to fd:// as well as use upstream MountFlags=slave and LimitCORE=infinity
Improvement: #297: Update docker daemon SysV init scripts with upstream improvements
Improvement: #298: Further deprecate daemon restart flag by default, which interferes with restart policies

0.36.0

Bugfix: #181: Fixed remove_link action (thanks jperville).
Bugfix: #185: Fix for non idempotent run action on docker_container (thanks bplunkert).
Bugfix: #188: Applied temporary workaround to address the libcgmanager error to users running LXC on Ubuntu 14.04.
Bugfix: #196: Address Helpers module naming conflict (thanks sethrosenblum).
Bugfix: #200: Fix how service actions are handled by docker_container resource (thanks brianhartsock).
Bugfix: #202: Correctly check for the kernel.release version on Debian (thanks Tritlo, paweloczadly).
Bugfix: #203: Fix pull notifications for tagged images (thanks hobofan).
Bugfix: #205: Fix current_resource.name assignments in docker_container provider (thanks jperville).
Bugfix: #206: Fixes to container name detection (thanks jperville).
Enhancement: #217: Explicitly set key and keyserver for docker apt repository (thanks sethrosenblum).
Improvement: Pull in init script changes from upstream for sysv and systemd.
Bugfix: #219: Explicitly set Upstart provider for Ubuntu 14.04 and 14.10 (thanks methodx).
Improvement: #220: Create graph directory if it is specified (thanks jontg).
Bugfix: #224: Fix runit container template to properly use exec (thanks waisbrot).
Bugfix: Appropriately check for LXC when using the binary recipe on Fedora.
Bugfix: Implement workaround for docker/docker#2702 on Ubuntu 14.10.
Enhancement: #221: Added NO_PROXY support (thanks jperville).
Various Test Suite Modifications
- Enhancement: #192: Allow image tags in serverspec matching (thanks bplunkert).
- Bugfix: #223: Convert a few occurrences of old 'should' rspec syntax to 'expect' (thanks jperville).
- Disable a few platforms that are experiencing bugs unrelated to core functionality.
- Address ChefSpec 4.1 deprecation warnings.
- Update Berksfile to reference supermarket.getchef.com instead of api.berkshelf.com

0.35.2

Bugfix: #171: Default Ubuntu 14.04 to Docker PPA
Bugfix: #175: Do not set --selinux-enabled in opts unless explicitly defined for older versions
Bugfix: #176: Use docker host attribute in docker_container Upstart inotifywait

0.35.1

Bugfix: #172: Generate no cidfile by default, even when deploying as service
Bugfix: #173: Updated docker upstart script (should fix service docker restart)

0.35.0

After a long personal hiatus (sorry!), this is the last minor release before 1.0 of the cookbook. If you can handle the Docker port number change and don't use anything deprecated, upgrading to 1.0.X from 0.35.X of the cookbook should be very easy.

This release has a bunch of changes and hasn't been fully tested yet. Wanted to get it out there for broad testing. Please use caution!

Major kudos to @tduffield for the #147 PR, which includes:
* Binary Installation
* Added missing dependency resolution for using the binary.
* Dependency Checks
* Added docker::dep_check that will take an action if certain dependencies are not met.
* node[docker][alert_on_error_action] = :fatal will kill the chef run and print the error message.
* node[docker][alert_on_error_action] = :warn will print the error message but continue with the chef run. There is no guarantee that it will succeed though.
* KitchenCI
* Copied MiniTests to ServerSpec Tests
* Added new platforms (Debian 7.4)
* Changed provisioner from chef-solo to chef-zero
* Removed Ubuntu 12.10 because it is not supported by Docker and the Kernel is bad and fails all the tests.
* Removed tests for the source recipe. The dotcloud/docker repo actually doesn’t build any Go deliverables.
* I think that the source recipe needs to be completely refactored.

Other awesome work merged:

#142: Bugfix: Redeploy breaks when a link is present
#139/#153/#154/#156/#157: Bugfix: container/image ID given as nil, fixes deprecated -notrunc
#164: Bugfix: Removing a container should also remove its cidfile
#166: Bugfix: Fix docker_inspect_id for Docker 1.0+
#158/#160/#165: Bugfix: Fix NameError when displaying error messages for timed-out commands
#169: Bugfix: Specify Upstart as service provider for cgroup on Ubuntu 14.04 (workaround for CHEF-5276, fixed in Chef 11.14)
#137/#138: Enhancement: Experimental Ubuntu 14.04 LTS support
#144: Enhancement: Experimental Amazon linux support
#150/#152: Enhancement: Add net attribute, deprecate networking
#168: Enhancement: Allow override of package name
#161: Enhancement: Add minitest case for SysV service
#149: Enhancement: Add --selinux-enabled daemon flag
Enhancement: container LWRP remove_link and remove_volume actions
Enhancement: Add storage-opt daemon flag
Enhancement: Add Docker 0.11.0, 0.11.1, 0.12.0, 1.0.0, 1.0.1 binary checksums

0.34.2

#141: Bugfix/Enhancement: Fix and enhance docker_image pull/push behavior with Docker 0.10
- Removes deprecated --registry and --tag CLI args from docker_image pull
- Adds support for registry attribute usage in docker_image pull and push
- Adds support for tag attribute usage in docker_image push

0.34.1

#134: Bugfix: Fix docker_registry login handling, fixes #114

0.34.0

Attributes now available for all docker daemon flags as well as system IP forwarding.

REMOVED: container_dns* attributes (use replacement dns* attributes on daemon for all containers or docker_container dns* attributes instead)
DEPRECATED: bind_* attributes to match docker terminology (use host attribute instead)
Bugfix: #132: Do Not Explicitly Set storage_driver Attribute
Bugfix: #133: Remove explicit false defaults in resources
Bugfix: #114: Error executing action login on resource docker_registry
Enhancement: #115: Add IP forwarding attributes
Enhancement: #116: Docker 0.10.0: Add --no-prune to docker rmi
Enhancement: #117: Docker 0.10.0: Add --output flag to docker save (as well as tag support)
Enhancement: #118: Docker 0.10.0: Add --input flag to docker load
Enhancement: #119: Docker 0.10.0: Add support for --env-file to load environment variables from files
Enhancement: #120: Docker 0.10.0: Deprecate docker insert
Enhancement: #123: Add docker kill --signal
Enhancement: #124: Add all docker daemon options as attributes
Enhancement: #125: Use dns* attributes to set docker daemon options, not defaults per-container
Enhancement: #128: Add checksum attribute for binary downloads
Enhancement: #126: Set long option names for specified docker daemon options
Enhancement: #127: Use a helper function to specify single line docker daemon options

0.33.1

Bugfix: #112: Defines runner methods for ChefSpec matchers
Bugfix: #113: [D-15] Fedora 19 installs Docker 0.8.1, does not have the -G or -e flag

0.33.0

This release deprecates AUFS/device-mapper handling from chef-docker, but provides backwards compatibility by still including the default recipe of the new cookbooks. Please update your dependencies, Github watching/issues, and recipes to reflect the two new community cookbooks:
* aufs: aufs on community site / chef-aufs on Github
* device-mapper: device-mapper on community site / chef-device-mapper on Github

Bugfix: #109: Remove on lxc-net start from docker Upstart
Enhancement: #88: Migrate AUFS logic to separate cookbook
Enhancement: #90: Migrate device-mapper logic to separate cookbook
Enhancement: #110: Add docker Upstart pre-start script and limits configuration
Enhancement: #105: Add --label for docker run
Enhancement: #106: Add --opt for docker run
Enhancement: #107: Add --networking for docker run
Enhancement: #108: Add --dns-search for docker run
Enhancement: #104: Add TMPDIR
Enhancement: #111: Add DOCKER_LOGFILE configuration
Enhancement: container_dns* attributes to set --dns and --dns-search for all containers

0.32.2

Bugfix: #101: Explicitly install lxc on Ubuntu (when lxc is exec_driver; continue to fully support LXC as a default installation path since its been since Docker 0.1)
Bugfix: #103: Fix host argument (in docker run)

0.32.1

Bugfix: #98: Ensure Ruby 1.8 syntax is supported
Bugfix: Skip empty Array values in cli_args helper

0.32.0

If you're using CentOS/RHEL with EPEL, upcoming docker-io 0.9.0 package upgrade can be tracked at Bugzilla 1074880

This release includes Docker 0.9.0 changes and defaults, such as setting exec_driver to libcontainer ("native"), setting -rm on docker build, double dash arguments on the CLI, additional flags, etc.

DEPRECATED: Rename storage_type attribute to storage_driver to match Docker terminology (storage_type will be removed in chef-docker 1.0)
DEPRECATED: Rename virtualization_type attribute to exec_driver to match Docker terminology (virtualization_type will be removed in chef-docker 1.0)
Bugfix: #80: Use double dashed arguments on CLI
Bugfix: Surround String values on CLI with quotes
Enhancement: #77: Improved docker ps handling
Enhancement: #78: Docker 0.9.0: Make --rm the default for docker build
Enhancement: #81: Docker 0.9.0: Add a -G option to specify the group which unix sockets belong
Enhancement: #82: Docker 0.9.0: Add -f flag to docker rm to force removal of running containers
Enhancement: Add -f flag for docker rmi to force removal of images
Enhancement: #83: Docker 0.9.0: Add DOCKER_RAMDISK environment variable to make Docker work when the root is on a ramdisk
Enhancement: #84: Docker 0.9.0: Add -e flag for execution driver
Enhancement: #85: Docker 0.9.0: Default to libcontainer
Enhancement: #86: Add Chefspec LWRP matchers

0.31.0

Lots of init love this release. Now supporting runit.

Please note change of storage_type attribute from devmapper to devicemapper (and associated recipe name change) to match docker's name for the driver.

Cookbook now automatically adds -s option to init configurations if storage_type is defined, which is it by default. If you were specifying -s in the options attribute, you no longer need to do so. In my quick testing, docker daemon doesn't seem to mind if -s is specified twice on startup, although you'll probably want to get rid of the extra specification.

I've also dropped the LANG= and LC_ALL= locale environment settings from the Upstart job configuration. Its not specified in the default docker job. Please open an issue in docker project and here if for some reason this is actually necessary.

Bugfix: Match devicemapper storage_type attribute to match docker driver name (along with recipe name)
Enhancement: #72: Add initial runit init_type
Enhancement: #60: Automatically set docker -d -s from storage_type attribute
Enhancement: Simplify default/sysconfig file into one template (docker.sysconfig.erb) and source into SysV/Upstart init configurations
Enhancement: Add Debian docker daemon SysV init template

0.30.2

Bugfix: #68: Fix CommandTimeout handling in LWRPs
Bugfix: #67: Fix argument order to pull when tag specified

0.30.1

Public or private registry login should now correctly occur and login once per credentials change.

Bugfix: #64: Correct CLI ordering of registry login
Bugfix: #65: login command skipped in registry provider
Enhancement: registry provider current resource attributes loaded from .dockercfg

0.30.0

Awesome work by @jcrobak to close out two issues (#49 and #52) with #62. Note change below in image build action.

Bugfix: #52: return codes of docker commands not verified
Bugfix: Add missing pull_if_missing action to image resource
Enhancement: #56: Switch build action to build_if_missing, build action now builds each run (be careful with image growth!)
Enhancement: #59: Add Mac OS X installation support
Enhancement: #49: Add docker_cmd_timeout attribute and daemon verification
Enhancement: #58: Add container redeploy action
Enhancement: #63: Add group_members attribute and group recipe to manage docker group

0.29.0

Enhancement: #57: Implement id checking when determining current_resource
- Added to both container and image LWRPs
Enhancement: Set created and status attributes for current container resources (for handlers, wrappers, etc.)
Enhancement: Set created and virtual_size attributes for image resource (for handlers, wrappers, etc.)

0.28.0

Enhancement: #55: image LWRP pull action now attempts pull every run (use pull_if_missing action for old behavior)

0.27.1

Bugfix: #51: container LWRP current_resource attribute matching should also depend on container_name

0.27.0

Enhancement: #48: Accept FalseClass CLI arguments (also explicitly declare =true for TrueClass CLI arguments)

0.26.0

Bugfix: Add SysV init script for binary installs
Enhancement: Add storage_type and virtualization_type attributes
Enhancement: Initial devmapper support for binary installs on CentOS/Ubuntu
Enhancement: #47 Debian-specific container SysV init script
Enhancement: #46 Add rm attribute for build action on image LWRP
Enhancement: Add no_cache attribute for build action on image LWRP

0.25.1

Bugfix: #44 Add missing run attribute for commit action on container LWRP

0.25.0

DEPRECATED: image LWRP dockerfile, image_url, and path attributes (replaced with source attribute)
Bugfix: Use docker_cmd for container LWRP remove and restart actions
Enhancement: Add registry LWRP with login action
Enhancement: Standardize on "smart" and reusable destination and source attributes for container and image LWRPs to define paths/URLs for various operations
Enhancement: Add commit, cp, export, and kill actions to container LWRP
Enhancement: Add insert, load, push, save, and tag actions to image LWRP
Enhancement: Add local file and directory support to import action of image LWRP
Enhancement: Add Array support to container LWRP link attribute
Enhancement: Cleaned up LWRP documentation

0.24.2

Bugfix: #43 Better formatting for container LWRP debug logging

0.24.1

Bugfix: Explicitly declare depends and supports in metadata
Bugfix: Handle container run action if container exists but isn't running

0.24.0

Bugfix: #42 fix(upstart): Install inotify-tools if using upstart
Enhancement: #38 Allow a user to specify a custom template for their container init configuration

0.23.1

Bugfix: #39 Fix NoMethodError bugs in docker::aufs recipe

0.23.0

Bugfix: Default oracle init_type to sysv
Enhancement: Experimental Debian 7 package support
Enhancement: Use new yum-epel cookbook instead of yum::epel recipe
Enhancement: Use value_for_platform where applicable in attributes, requires Chef 11

0.22.0

Enhancement: #35 Use kernel release for package name on saucy and newer
Enhancement: #37 dont include aufs recipe on ubuntu 13.10 and up; don't require docker::lxc for package installs

0.21.0

Enhancement: #31 More helpful cmd_timeout error messages and catchable exceptions for container (Chef::Provider::Docker::Container::CommandTimeout) and image (Chef::Provider::Docker::Image::CommandTimeout) LWRPs

0.20.0

Enhancement: Default to package install_type only on distros with known packages
Enhancement: Initial Oracle 6 platform support via binary install_type
- https://blogs.oracle.com/wim/entry/oracle_linux_6_5_and
- http://www.oracle.com/technetwork/articles/servers-storage-admin/resource-controllers-linux-1506602.html
Enhancement: Split out lxc recipe for default platform lxc handling
Enhancement: Create cgroups recipe for default platform cgroups handling

0.19.1

Bugfix: #30 apt-get throws exit code 100 when upgrading docker

0.19.0

Enhancement: Add node['docker']['version'] attribute to handle version for all install_type (recommended you switch to this)
Enhancement: default['docker']['binary']['version'] attribute uses node['docker']['version'] if set
Enhancement: Add version handling to package recipe

0.18.1

Bugfix: Remove ExecStartPost from systemd service to match change in docker-io-0.7.0-13

0.18.0

Enhancement: CentOS/RHEL 6 package support via EPEL repository
Enhancement: Fedora 19/20 package support now in updates (stable) repository
Enhancement: sysv recipe and init_type

0.17.0

Removed: configuration recipe (see bugfix below)
Removed: config_dir attribute (see bugfix below)
Bugfix: Revert back to specifying HTTP_PROXY and "DOCKER_OPTS" natively in systemd/Upstart (mostly to fix up systemd support)
Bugfix: Add systemctl --system daemon-reload handling to systemd service template
Bugfix: Add || true to container systemd/Upstart pre-start in case already running
Bugfix: Locale environment already handled automatically by systemd
Enhancement: Switch Fedora package installation from goldmann-docker to Fedora updates-testing repository
Enhancement: Switch container LWRPs to named containers on Fedora since now supported
Enhancement: Update docker systemd service contents from docker-io-0.7.0-12.fc20
- Add: Wants/After firewalld.service
- Add: ExecStartPost firewall-cmd
- Remove: ExecStartPost iptables commands

0.16.0

Bugfix: Remove protocol from docker systemd ListenStreams
Bugfix: Lengthen shell_out timeout for stop action in container LWRP to workaround Fedora being slow
Enhancement: Add service creation to container LWRP by default
- Please thoroughly test before putting into production!
- set['docker']['container_init_type'] = false or add init_type false for the LWRP to disable this behavior
Enhancement: Add configuration recipe with template
Enhancement: Add container_cmd_timeout attribute to easily set global container LWRP cmd_timeout default
Enhancement: Add image_cmd_timeout attribute to easily set global image LWRP cmd_timeout default
Enhancement: Add cookbook attribute to container LWRP
Enhancement: Add init_type attribute to container LWRP
Enhancement: Add locale support for Fedora
Enhancement: Fail Chef run if docker run command errors

0.15.0

Enhancement: Fedora 19/20 package support via Goldmann docker repo
Enhancement: docker.service / docker.socket systemd support
Enhancement: Add node['docker']['init_type'] attribute for controlling init system

0.14.0

Bugfix: #27 Only use command to determine running container if provided
Bugfix: #28 Upstart requires full stop and start of service instead of restart if job configuration changes while already running. Note even initctl reload-configuration isn't working as expected from http://upstart.ubuntu.com/faq.html#reload
Enhancement: #26 Add ability to set package action

0.13.0

Bugfix: Move LWRP updated_on_last_action(true) calls so only triggered when something actually gets updated
Enhancement: Add container LWRP wait action
Enhancement: Add attach and stdin args to container LWRP start action
Enhancement: Add link arg to container LWRP remove action
Enhancement: Use cmd_timeout in container LWRP stop action arguments

0.12.0

Bugfix: Add default bind_uri (nil) to default attributes
Enhancement: #24 bind_socket attribute added

0.11.0

DEPRACATION: container LWRP Fixnum port attribute: use full String notation from Docker documentation in port attribute instead
DEPRACATION: container LWRP public_port attribute: use port attribute instead
Enhancement: Additional container LWRP attributes:
- cidfile
- container_name
- cpu_shares
- dns
- expose
- link
- lxc_conf
- publish_exposed_ports
- remove_automatically
- volumes_from
Enhancement: Support Array in container LWRP attributes:
- env
- port
- volume

0.10.1

Bugfix: Set default cmd_timeout in image LWRP to 300 instead of 60 because downloading images can take awhile
Enhancement: Change docker_test Dockerfile FROM to already downloaded busybox image instead of ubuntu
Enhancement: Add vagrant-cachier to Vagrantfile

Other behind the scenes changes:
* Made cookbook code Rubocop compliant
* Move licensing information to LICENSE file
* Updated .travis.yml and Gemfile

0.10.0

Enhancement: #22 cmd_timeout, path (image LWRP), working_directory (container LWRP) LWRP attributes
Bugfix: #25 Install Go environment only when installing from source

0.9.1

Fix to upstart recipe to not restart service constantly (only on initial install and changes)

0.9.0

image LWRP now supports non-stdin build and import actions (thanks @wingrunr21!)

0.8.1

Fix in aufs recipe for FC048 Prefer Mixlib::ShellOut

0.8.0

Lots of community contributions this release -- thanks!
* image LWRP now supports builds via Dockerfile
* Additional privileged, public_port, and stdin parameters for container LWRP
* Support specifying binary version for installation
* Fix upstart configuration customization when installing via Apt packages
* Default to Golang 1.1

0.7.1

Use HTTPS for Apt repository

0.7.0

Update APT repository information for Docker 0.6+

0.6.2

Change Upstart config to start on runlevels [2345] instead of just 3

0.6.1

Change env HTTP_PROXY to export HTTP_PROXY in Upstart configuration

0.6.0

Add bind_uri and options attributes

0.5.0

Add http_proxy attribute

0.4.0

Docker now provides precise/quantal/raring distributions for their PPA
Tested Ubuntu 13.04 support

0.3.0

Initial container LWRP

0.2.0

Initial image LWRP

0.1.0

Initial release

Foodcritic Metric

1.0.14 failed this metric

FC005: Avoid repetition of resource declarations: /tmp/cook/3a2972d8f68da09379bc6bbc/docker/libraries/provider_docker_service_systemd.rb:9
FC031: Cookbook without metadata file: /tmp/cook/3a2972d8f68da09379bc6bbc/docker/metadata.rb:1
FC045: Consider setting cookbook name in metadata: /tmp/cook/3a2972d8f68da09379bc6bbc/docker/metadata.rb:1

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0.34.1

0.34.0

0.33.1

0.33.0

0.32.2

0.32.1

0.32.0

0.31.0

0.30.2

0.30.1