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README.md

RabbitMQ Chef Cookbook

Build Status Cookbook Version

This is a cookbook for managing RabbitMQ with Chef.

Supported Chef Versions

This cookbook targets Chef 13.0 and later.

Supported Distributions

The cookbook targets and is tested against

  • Ubuntu 16.04 through 20.04
  • Debian 9 and 10
  • RHEL 7 and 8
  • CentOS 7 and 8
  • Fedora 30 or later
  • Amazon Linux 2
  • Scientific Linux 7

Those are the distributions currently used to run tests with Kitchen.

Newer Versions

Newer Debian, Ubuntu and RHEL/CentOS 8.x versions should work.

Older Versions

CentOS 6.x, Ubuntu 14.04 and Debian 8.0 might work just fine but their support has been discontinued. Some of those distributions will go out of vendor support in 2019.

Dependencies

This cookbook depends on the Erlang cookbook and assumes that the user can configure it to provision a supported Erlang/OTP version.

Two more recipes are provided by this cookbook:rabbitmq::erlang_package and rabbitmq::esl_erlang_package. The latter is an alias to the erlang::esl recipe in the Erlang cookbook.

The former uses Debian Erlang packages and zero dependency Erlang RPM package produced and published by Team RabbitMQ. Those packages provide the latest patch releases of Erlang/OTP.

Both options are covered below.

Supported RabbitMQ Versions

5.x release series targets RabbitMQ 3.8.x releases and can also provision 3.7.x series (which are out of general support), assuming a supported Erlang version is also provisioned.

Provisioning RabbitMQ 3.8.x

Ensure Your Cookbook Version is Compatible

To provision RabbitMQ 3.8.x, you must use version 5.8.5 of this cookbook or later.

Provision Erlang/OTP 22.3 or Later

Before provisioning a 3.8.x release, please learn about the minimum required Erlang/OTP version and Erlang/OTP version recommendations.

Most distributions provide older versions, so Erlang must be provisioned either using RabbitMQ's zero dependency Erlang RPM, Debian Erlang packages, or from Erlang Solutions

Installing Erlang Using Packages by Team RabbitMQ

rabbitmq::erlang_package is a recipe that provisions latest Erlang packages from team RabbitMQ. The packages support

  • Debian 9 and 10
  • Ubuntu 16.04 through 20.04
  • RHEL 7 and 8
  • CentOS 7 and 8
  • Fedora 30 or later
  • Scientific Linux 7
  • Amazon Linux 2

The packages are cannot be installed alongside with other Erlang packages, for example, those from standard Debian repositories or Erlang Solutions.

To make sure that the Erlang cookbook is not used by rabbitmq::default, rabbitmq::cluster, and other recipes, set node['rabbitmq']['erlang']['enabled'] to true:

node['rabbitmq']['erlang']['enabled'] = true

By default rabbitmq::erlang_package will install the latest Erlang version available. To override package version, use node['rabbitmq']['erlang']['version']:

# Debian
node['rabbitmq']['erlang']['version'] = '1:23.0.3-1'

# RPM
node['rabbitmq']['erlang']['version'] = '23.0.3'

On Ubuntu and Debian the distribution will be picked from node attributes. It is possible to override the component used (see Ubuntu and Debian installation guide to learn more):

# provisions Erlang 23.x
node['rabbitmq']['erlang']['apt']['components'] = ["erlang-23.x"]
# provisions Erlang 22.3.x
node['rabbitmq']['erlang']['apt']['components'] = ["erlang-22.x"]

Most of the time there is no need to override other attributes. Below is a list of defaults used on Ubuntu and Debian:

# RabbitMQ Erlang packages
default['rabbitmq']['erlang']['apt']['uri'] = "https://dl.bintray.com/rabbitmq-erlang/debian"
default['rabbitmq']['erlang']['apt']['lsb_codename'] = node['lsb']['codename']
default['rabbitmq']['erlang']['apt']['components'] = ["erlang"]
default['rabbitmq']['erlang']['apt']['key'] = "6B73A36E6026DFCA"

default['rabbitmq']['erlang']['apt']['install_options'] = %w(--fix-missing)

On CentOS 8 and 7, base Yum repository URL will be picked based on distribution versions. On Fedora, a suitable CentOS package will be used. Erlang package version is set the same way as for Debian (see above).

Below are the defaults used by the Yum repository (assuming RHEL or CentOS 8):

# Provisions CentOS 8 RPMs of Erlang 23
default['rabbitmq']['erlang']['yum']['baseurl'] = 'https://dl.bintray.com/rabbitmq-erlang/rpm/erlang/23/el/8'
default['rabbitmq']['erlang']['yum']['gpgkey'] = 'https://dl.bintray.com/rabbitmq/Keys/rabbitmq-release-signing-key.asc'
default['rabbitmq']['erlang']['yum']['gpgcheck'] = true
default['rabbitmq']['erlang']['yum']['repo_gpgcheck'] = false

To provision Erlang 22.x, change default['rabbitmq']['erlang']['yum']['baseurl']:

# Provisions CentOS 8 RPMs of Erlang 22
default['rabbitmq']['erlang']['yum']['baseurl'] = 'https://dl.bintray.com/rabbitmq-erlang/rpm/erlang/22/el/8'

To provision Erlang 22.x on CentOS 7:

default['rabbitmq']['erlang']['yum']['baseurl'] = 'https://dl.bintray.com/rabbitmq-erlang/rpm/erlang/22/el/7'

Installing Erlang with the Erlang Cookbook

The Erlang cookbook will provision packages from Erlang Solutions if node['erlang']['install_method'] is set to esl. Note that Erlang Solutions repositories can be behind the latest Erlang/OTP patch releases.

# will install the latest release, please
# consult with https://www.rabbitmq.com/which-erlang.html first
node['erlang']['install_method'] = "esl"

to provision a specific version, e.g. 22.3.4.4:

node['erlang']['install_method'] = "esl"
# Ubuntu and Debian
# note the "1:" package epoch prefix
node['erlang']['esl']['version'] = "1:22.3.4.4"
node['erlang']['install_method'] = "esl"
# CentOS, RHEL, Fedora
node['erlang']['esl']['version'] = "22.3.4.4-1"

Seting RabbitMQ Version

Set node['rabbitmq']['version'] to specify a version:

node['rabbitmq']['version'] = "3.8.5"

If you have node['rabbitmq']['deb_package_url'] or node['rabbitmq']['rpm_package_url'] overridden from earlier versions, consider omitting those attributes. Otherwise see a section on download location customization below.

RabbitMQ packages will be downloaded from Bintray by default.

Provisioning RabbitMQ 3.7.x

Ensure Your Cookbook Version is Compatible

To provision RabbitMQ 3.7.x, you must use version 5.7.0 of this cookbook or later.

Provision Erlang/OTP 20.3 or Later

Before provisioning a 3.7.x release, please learn about the minimum required Erlang version.

Most distributions provide older versions, so Erlang must be provisioned either using RabbitMQ's zero dependency Erlang RPM, Debian Erlang packages, or from Erlang Solutions

Installing Erlang Using Packages by Team RabbitMQ

rabbitmq::erlang_package is a recipe that provisions latest Erlang packages from team RabbitMQ. The packages support

  • Debian Stretch and Buster
  • Ubuntu 16.04 through 20.04
  • RHEL 7 and 8
  • CentOS 7 and 8
  • Fedora 30 or later
  • Scientific Linux 7
  • Amazon Linux 2

The packages are cannot be installed alongside with other Erlang packages, for example, those from standard Debian repositories or Erlang Solutions.

To make sure that the Erlang cookbook is not used by rabbitmq::default, rabbitmq::cluster, and other recipes, set node['rabbitmq']['erlang']['enabled'] to true:

node['rabbitmq']['erlang']['enabled'] = true

By default rabbitmq::erlang_package will install the latest Erlang version available. To override package version, use node['rabbitmq']['erlang']['version']:

# Debian
node['rabbitmq']['erlang']['version'] = '1:22.3.4.4-1'

# RPM
node['rabbitmq']['erlang']['version'] = '22.3.4.4'

On Ubuntu and Debian the distribution will be picked from node attributes. It is possible to override the component used (see Ubuntu and Debian installation guide to learn more):

# provisions Erlang 22.x
node['rabbitmq']['erlang']['apt']['components'] = ["erlang-22.x"]

Most of the time there is no need to override other attributes. Below is a list of defaults used on Ubuntu and Debian:

# RabbitMQ Erlang packages
default['rabbitmq']['erlang']['apt']['uri'] = "https://dl.bintray.com/rabbitmq-erlang/debian"
default['rabbitmq']['erlang']['apt']['lsb_codename'] = node['lsb']['codename']
default['rabbitmq']['erlang']['apt']['components'] = ["erlang"]
default['rabbitmq']['erlang']['apt']['key'] = "6B73A36E6026DFCA"

default['rabbitmq']['erlang']['apt']['install_options'] = %w(--fix-missing)

On CentOS 8 and 7, base Yum repository URL will be picked based on distribution versions. On Fedora, a suitable CentOS package will be used. Erlang package version is set the same way as for Debian (see above).

Below are the defaults used by the Yum repository (assuming RHEL or CentOS 7):

default['rabbitmq']['erlang']['yum']['baseurl'] = 'https://dl.bintray.com/rabbitmq-erlang/rpm/erlang/22/el/7'
default['rabbitmq']['erlang']['yum']['gpgkey'] = 'https://dl.bintray.com/rabbitmq/Keys/rabbitmq-release-signing-key.asc'
default['rabbitmq']['erlang']['yum']['gpgcheck'] = true
default['rabbitmq']['erlang']['yum']['repo_gpgcheck'] = false

To provision Erlang 22.x on CentOS 6:

default['rabbitmq']['erlang']['yum']['baseurl'] = 'https://dl.bintray.com/rabbitmq-erlang/rpm/erlang/22/el/6'

Installing Erlang with the Erlang Cookbook

The Erlang cookbook will provision packages from Erlang Solutions if node['erlang']['install_method'] is set to esl:

# will install the latest release, please
# consult with https://www.rabbitmq.com/which-erlang.html first
node['erlang']['install_method'] = "esl"

to provision a specific version, e.g. 22.3.4.4:

node['erlang']['install_method'] = "esl"
# Ubuntu and Debian
# note the "1:" package epoch prefix
node['erlang']['esl']['version'] = "1:22.3.4.4"
node['erlang']['install_method'] = "esl"
# CentOS, RHEL, Fedora
node['erlang']['esl']['version'] = "22.3.4.4-1"

Seting RabbitMQ Version

Set node['rabbitmq']['version'] to specify a version:

node['rabbitmq']['version'] = "3.7.26"

If you have node['rabbitmq']['deb_package_url'] or node['rabbitmq']['rpm_package_url'] overridden from earlier versions, consider omitting those attributes. Otherwise see a section on download location customization below.

3.7.x releases will be downloaded from Bintray by default.

Recipes

default

Installs rabbitmq-server via direct download (from Bintray or GitHub, depending on the version) of the installation package or using the distribution version. Depending on your distribution, the provided version may be quite old so direct download is the default option.

Clustering Essentials

Set the ['rabbitmq']['clustering']['enable'] attribute to true, ['rabbitmq']['clustering']['cluster_disk_nodes'] array of node@host strings that describe cluster members, and a alphanumeric string for the erlang_cookie.

TLS

To enable TLS for client connections, set the ssl to true and set the paths to your cacert, cert and key files.

node['rabbitmq']['ssl'] = true
# path to the CA bundle file
node['rabbitmq']['ssl_cacert'] = '/path/to/cacert.pem'
# path to the server certificate (pubic key) PEM file
node['rabbitmq']['ssl_cert'] = '/path/to/cert.pem'
# path to the server private key file
node['rabbitmq']['ssl_key'] = '/path/to/key.pem'

Client Connection Listeners

TCP connection listeners may be limited to a specific interface using the node['rabbitmq']['tcp_listen_interface'] attribute.

Its TLS connection listener counterpart is node['rabbitmq']['ssl_listen_interface'].

Custom Package Download Locations

node['rabbitmq']['deb_package_url'] and node['rabbitmq']['rpm_package_url'] can be used to override the package download location. They configure a prefix without a version. Set them to a download location without a version if you want to provision from a custom endpoint such as a local mirror.

The default recipe will append a version suffix that matches RabbitMQ tag naming scheme. For 3.7.x or later, it is just the version (the value is used as is).

Lastly, a package name will be appended to form a full download URL. They rarely need changing but can also be overridden using the node['rabbitmq']['deb_package'] and node['rabbitmq']['rpm_package'] attributes.

Attributes

A full list of attributes related to TLS in RabbitMQ can be found in attributes/default.rb.

Default values and usage information of important attributes are shown below. More attributes are documented in metadata.rb.

Username and Password

The default username and password are guest/guest, with access limited to localhost connections:

['rabbitmq']['default_user'] = 'guest'
['rabbitmq']['default_pass'] = 'guest'

It is highly recommended that a different default user name is used with a reasonably long (say, 30-40 characters) generated password.

Loopback Users

By default, the guest user can only connect from localhost. This prevents remote access for installations that use the well-known default credentials. It is highly recommended that remote access for the default user is not enabled but if security is of absolutely no importance in a certain environment, this can be done:

['rabbitmq']['loopback_users'] = []

Learn more in the RabbitMQ Access Control guide.

Definitions Import

It is possible to to load a definitions (schema) file on node boot. Consult RabbitMQ's Definitions and Backup doc guides to learn more.

To configure definition loading, set the following attribute:

['rabbitmq']['management']['load_definitions'] = true

By default, the node will be configured to load a JSON at /etc/rabbitmq/load_definitions.json; however, you can define another path if you'd prefer using the following attribute:

['rabbitmq']['management']['definitions_file'] = '/path/to/your/definitions.json'

In order to use this functionality, you will need to provision a file referenced by the above attribute before you execute any recipes in the RabbitMQ cookbook (in other words, before the node starts). For example, this can be done using a remote file resource.

management_ui

Installs the RabbitMQ management plugin.

To enable HTTPS for the management UI and HTTP API, set ['rabbitmq']['web_console_ssl'] attribute to true. The HTTPS port for the management UI can be configured by setting attribute ['rabbitmq']['web_console_ssl_port'], whose default value is 15671.

plugins

Enables any plugins listed in the node['rabbitmq']['enabled_plugins'] and disables any listed in node['rabbitmq']['disabled_plugins'] attributes.

LDAP Configuration

To enable the LDAP plugin, a few attributes have to be used in combination:

  1. Set node['rabbitmq']['ldap']['enabled'] = true
  2. Enable auth_backends: node['rabbitmq']['auth_backends'] = 'rabbit_auth_backend_internal,rabbit_auth_backend_ldap'
  3. Enable the rabbitmq_auth_backend_ldap plugin
  4. Configure LDAP servers and queries via the node['rabbitmq']['ldap']['conf'] variable
Example configuration
# this is just an example
node['rabbitmq']['ldap']['conf'] = {
  :servers => ["ldap-host1", "ldap-host2"],
  :user_bind_pattern => "${username}@<domain>",
  :dn_lookup_attribute => "sAMAccountName",
  :dn_lookup_base => "DC=<CHANGEME>,DC=<CHANGEME>",
  :port => <CHANGEME (number)>,
  :log => <CHANGEME (boolean)>,
  :vhost_access_query => '{constant, true}',
  :topic_access_query => '{constant, true}',
  :resource_access_query => '{constant, true}',
  :tag_queries => "[{administrator, {constant, false}}]"
  }

users

Enables any RabbitMQ users listed in the node['rabbitmq']['enabled_users'] and disables any listed in node['rabbitmq']['disabled_users'] attributes. You can provide user credentials, the vhosts that they need to have access to and the permissions that should be allocated to each user.

node['rabbitmq']['enabled_users'] = [
    {
        :name => 'kitten',
        :password => 'kitten',
        :tag => 'leader',
        :rights => [
            {
                :vhost => 'nova',
                :conf => '.*',
                :write => '.*',
                :read => '.*'
            }
        ]
    }
]

Note that with this approach user credentials will be stored in the attribute file. Using encrypted data bags is therefore highly recommended.

Alternatively definitions export and import (see above) can be used. Definition files contain password hashes since clear text values are not stored.

vhosts

Enables any virtual hosts listed in the node['rabbitmq']['virtualhosts'] and disables any listed in node['rabbitmq']['disabled_virtualhosts'] attributes.

cluster

Forms a cluster RabbitMQ of nodes.

It supports two clustering modes: auto or manual.

  • Auto clustering: lists cluster members in the RabbitMQ config file. Those are taken from lists the nodes node['rabbitmq']['clustering']['cluster_nodes'].
  • Manual clustering : joins cluter members using rabbitmqctl join_cluster.

Attributes

  • node['rabbitmq']['clustering']['enable'] : Default decision flag of clustering
  • node['rabbitmq']['erlang_cookie'] : Same erlang cookie is required for the cluster
  • node['rabbitmq']['clustering']['use_auto_clustering'] : Default is false. (manual clustering is default)
  • node['rabbitmq']['clustering']['cluster_name'] : Name of cluster. default value is nil. In case of nil or '' is set for cluster_name, first node name in node['rabbitmq']['clustering']['cluster_nodes'] attribute will be set for manual clustering. for the auto clustering, one of the node name will be set.
  • node['rabbitmq']['clustering']['cluster_nodes'] : List of cluster nodes. it required node name and cluster node type. please refer to example in below.

Example

node['rabbitmq']['clustering']['enable'] = true
node['rabbitmq']['erlang_cookie'] = 'AnyAlphaNumericStringWillDo'
node['rabbitmq']['clustering']['cluster_partition_handling'] = 'pause_minority'
node['rabbitmq']['clustering']['use_auto_clustering'] = false
node['rabbitmq']['clustering']['cluster_name'] = 'qa_env'
node['rabbitmq']['clustering']['cluster_nodes'] = [
    {
        :name => 'rabbit@rabbit1'
    },
    {
        :name => 'rabbit@rabbit2'
    },
    {
        :name => 'rabbit@rabbit3'
    }
]

policies

Enables any policies listed in the node['rabbitmq']['policies'] and disables any listed in node['rabbitmq']['disabled_policies'] attributes.

See examples in attributes file.

community_plugins

Downloads, installs and enables pre-built community plugins binaries.

To specify a plugin, set the attribute node['rabbitmq']['community_plugins']['PLUGIN_NAME'] to '{DOWNLOAD_URL}'.

Available Resources/Providers

There are several LWRPs for interacting with RabbitMQ and a few setting up Erlang repositories and package.

erlang_apt_repository_on_bintray

erlang_apt_repository_on_bintray sets up a Debian package repository from Bintray. It is a wrapper around the standard apt_repository resource provider.

See also RabbitMQ Erlang Compatibility guide.

rabbitmq_erlang_apt_repository_on_bintray 'rabbitmq_erlang_repo_on_bintray' do
  distribution node['lsb']['codename'] unless node['lsb'].nil?
  # See https://www.rabbitmq.com/install-debian.html
  components ['erlang-21.x']

  action :add
end

erlang_yum_repository_on_bintray

erlang_apt_repository_on_bintray sets up an RPM package repository from Bintray. It is a wrapper around the standard apt_repository resource provider.

See also RabbitMQ Erlang Compatibility guide.

rabbitmq_erlang_yum_repository_on_bintray 'rabbitmq_erlang' do
  # for RHEL/CentOS 7+, Fedora. See https://www.rabbitmq.com/install-rpm.html.
  baseurl 'https://dl.bintray.com/rabbitmq/rpm/rabbitmq-server/v3.7.x/el/7/'
  gpgkey 'https://dl.bintray.com/rabbitmq/Keys/rabbitmq-release-signing-key.asc'

  action :add
end

erlang_package_from_bintray

Install the package. Here's an example for Debian-based systems:

rabbitmq_erlang_package_from_bintray 'rabbitmq_erlang' do
  # This package version assumes a Debian-based distribution.
  version '1:23.0.3-1'

  action :install
end

Here's another one for RPM-based ones:

rabbitmq_erlang_package_from_bintray 'rabbitmq_erlang' do
  version '23.0.3'

  action :install
end

plugin

Enables or disables a rabbitmq plugin. Plugins are not supported for releases prior to 2.7.0.

  • :enable enables a plugin
  • :disable disables a plugin

Examples

rabbitmq_plugin "rabbitmq_stomp" do
  action :enable
end
rabbitmq_plugin "rabbitmq_shovel" do
  action :disable
end

policy

Sets or clears a RabbitMQ policy.

  • :set sets a policy
  • :clear clears a policy
  • :list lists policys

Examples

rabbitmq_policy "classic-queue-mirroring-2-replicas" do
  pattern "^(?!amq\\.).*"
  parameters ({"ha-mode" => "exactly", "ha-params" => 2})
  priority 1
  action :set
end
rabbitmq_policy "queue-length-limit" do
  pattern "^limited\\.*"
  parameters ({"max-length" => "exactly"})
  priority 1
  action :set
end
rabbitmq_policy "classic-queue-mirroring-2-replicas" do
  action :clear
end

user

Adds and deletes users:

  • :add adds a user with a password
  • :delete deletes a user
  • :set_permissions sets the permissions for a user, vhost is optional
  • :clear_permissions clears the permissions for a user
  • :set_tags set the tags on a user
  • :clear_tags clear any tags on a user
  • :change_password set the password for a user

Examples

rabbitmq_user "guest" do
  action :delete
end
rabbitmq_user "nova" do
  password "sekret"
  action :add
end
rabbitmq_user "nova" do
  vhost "/nova"
  permissions ".* .* .*"
  action :set_permissions
end
rabbitmq_user "rmq" do
  vhost ["/", "/rmq", "/nova"]
  permissions ".* .* .*"
  action :set_permissions
end
rabbitmq_user "joe" do
  tag "admin,lead"
  action :set_tags
end

vhost

Adds and deletes virtual hosts.

  • :add adds a vhost
  • :delete deletes a vhost

Examples

rabbitmq_vhost "/nova" do
  action :add
end

cluster

Forms a cluster and controls cluster name.

  • :join join in cluster as a manual clustering. node will join in first node of json string data.

  • cluster nodes data json format : Data should have all the cluster nodes information.

[
    {
        "name" : "rabbit@rabbit1",
        "type" : "disc"
    },
    {
        "name" : "rabbit@rabbit2",
        "type" : "ram"
    },
    {
        "name" "rabbit@rabbit3",
        "type" : "disc"
    }
]
  • :set_cluster_name set the cluster name.
  • :change_cluster_node_type change cluster type of node. disc or ram should be set.

Examples

rabbitmq_cluster '[{"name":"rabbit@rabbit1","type":"disc"},{"name":"rabbit@rabbit2","type":"ram"},{"name":"rabbit@rabbit3","type":"disc"}]' do
  action :join
end
rabbitmq_cluster '[{"name":"rabbit@rabbit1","type":"disc"},{"name":"rabbit@rabbit2","type":"ram"},{"name":"rabbit@rabbit3","type":"disc"}]' do
  cluster_name 'seoul_tokyo_newyork'
  action :set_cluster_name
end
rabbitmq_cluster '[{"name":"rabbit@rabbit1","type":"disc"},{"name":"rabbit@rabbit2","type":"ram"},{"name":"rabbit@rabbit3","type":"disc"}]' do
  action :change_cluster_node_type
end

Removing Nodes from an Existing Cluster

This cookbook provides the primitives to remove a node from a cluster via helper functions but do not include these in any recipes. This is something that is potentially very dangerous and different deployments will have different needs and IF you decide you need this it should be implemented in your wrapper with EXTREME caution. There are 2 helper methods for 2 different scenario:

  • removing self from cluster. This should likely only be considered for machines on a normal decommission. This is accomplished by using the helper fucntion reset_current_node.
  • removing another node from cluster. This should only be done once you are sure the machine is gone and won't come back. This can be accomplished via remove_remote_node_from_cluster.

Limitations

For an already running cluster, these actions still require manual intervention:

  • changing the shared cluster secret using the :erlang_cookie attribute
  • disabling clutering entirely by setting :cluster from true to false

License & Authors

  • Author:: Benjamin Black
  • Author:: Daniel DeLeo
  • Author:: Matt Ray
  • Author:: Seth Thomas
  • Author:: JJ Asghar
  • Author:: Team RabbitMQ
Copyright (c) 2009-2018, Chef Software, Inc.
Copyright (c) 2018-2020, VMware, Inc. or its affiliates.

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

    https://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.
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