apt_repository Resource

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Use the apt_repository resource to specify additional APT repositories. Adding a new repository will update the APT package cache immediately.

New in Chef Infra Client 12.9.

Syntax

The full syntax for all of the properties that are available to the apt_repository resource is:

apt_repository 'name' do  arch String, false  cache_rebuild true, false # default value: true  components Array # default value: `main` if using a PPA repository.  cookbook String, false  deb_src true, false # default value: false  distribution String, false # default value: The LSB codename of the node such as 'focal'.  key String, Array, false # default value: []  key_proxy String, false  keyserver String, false # default value: "keyserver.ubuntu.com"  options String, Array # default value: []  repo_name String # default value: 'name' unless specified  signed_by String, true, false # default value: true  trusted true, false # default value: false  uri String  action Symbol # defaults to :add if not specified end

where:

apt_repository is the resource.
name is the name given to the resource block.
action identifies which steps Chef Infra Client will take to bring the node into the desired state.
arch, cache_rebuild, components, cookbook, deb_src, distribution, key, key_proxy, keyserver, options, repo_name, signed_by, trusted, and uri are the properties available to this resource.

Actions

The apt_repository resource has the following actions:

:add: Creates a repository file at /etc/apt/sources.list.d/ and builds the repository listing. (default)
:nothing: This resource block doesn’t act unless notified by another resource to take action. Once notified, this resource block either runs immediately or is queued up to run at the end of a Chef Infra Client run.
:remove: Removes the repository listing.

Properties

The apt_repository resource has the following properties:

arch

Ruby Type: String, false

Constrain packages to a particular CPU architecture such as i386 or amd64.

cache_rebuild

Ruby Type: true, false | Default Value: true

Determines whether to rebuild the APT package cache.

components

Ruby Type: Array | Default Value: `main` if using a PPA repository.

Package groupings, such as ‘main’ and ‘stable’.

cookbook

Ruby Type: String, false

If key should be a cookbook_file, specify a cookbook where the key is located for files/default. Default value is nil, so it will use the cookbook where the resource is used.

deb_src

Ruby Type: true, false | Default Value: false

Determines whether or not to add the repository as a source repo as well.

distribution

Ruby Type: String, false | Default Value: The LSB codename of the node such as 'focal'.

Usually a distribution’s codename, such as xenial, bionic, or focal.

key

Ruby Type: String, Array, false | Default Value: []

If a keyserver is provided, this is assumed to be the fingerprint; otherwise it can be either the URI of GPG key for the repo, or a cookbook_file.

key_proxy

Ruby Type: String, false

If set, a specified proxy is passed to GPG via http-proxy=.

keyserver

Ruby Type: String, false | Default Value: keyserver.ubuntu.com

The GPG keyserver where the key for the repo should be retrieved.

options

Ruby Type: String, Array | Default Value: []

Additional options to set for the repository

repo_name

Ruby Type: String | Default Value: The resource block's name

An optional property to set the repository name if it differs from the resource block’s name. The value of this setting must not contain spaces.

New in Chef Client 14.1

signed_by

Ruby Type: String, true, false | Default Value: true

If set to true, Signed-By authenticates with the value of the key property. If set to a string that’s a file path or fingerprint, Signed-By authenticates with that file or fingerprint.

trusted

Ruby Type: true, false | Default Value: false

Determines whether you should treat all packages from this repository as authenticated regardless of signature.

uri

Ruby Type: String

The base of the Debian distribution.

Common Resource Functionality

Chef resources include common properties, notifications, and resource guards.

Common Properties

The following properties are common to every resource:

compile_time

Ruby Type: true, false | Default Value: false

Control the phase during which the resource is run on the node. Set to true to run while the resource collection is being built (the compile phase). Set to false to run while Chef Infra Client is configuring the node (the converge phase).

ignore_failure

Ruby Type: true, false, :quiet | Default Value: false

Continue running a recipe if a resource fails for any reason. :quiet won’t display the full stack trace and the recipe will continue to run if a resource fails.

retries

Ruby Type: Integer | Default Value: 0

The number of attempts to catch exceptions and retry the resource.

retry_delay

Ruby Type: Integer | Default Value: 2

The delay in seconds between retry attempts.

sensitive

Ruby Type: true, false | Default Value: false

Ensure that sensitive resource data isn’t logged by Chef Infra Client.

Notifications

notifies

Ruby Type: Symbol, 'Chef::Resource[String]'

A resource may notify another resource to take action when its state changes. Specify a 'resource[name]', the :action that resource should take, and then the :timer for that action. A resource may notify more than one resource; use a notifies statement for each resource to be notified.

If the referenced resource doesn’t exist, an error is raised. In contrast, subscribes won’t fail if the source resource isn’t found.

A timer specifies the point during a Chef Infra Client run at which a notification is run. The following timers are available:

:before: Specifies that the action on a notified resource should be run before processing the resource block in which the notification is located.
:delayed: Default. Specifies that a notification should be queued up, and then executed at the end of a Chef Infra Client run.
:immediate, :immediately: Specifies that a notification should be run immediately, for each resource notified.

The syntax for notifies is:

notifies :action, 'resource[name]', :timer

subscribes: Ruby Type: Symbol, 'Chef::Resource[String]'

A resource may listen to another resource, and then take action if the state of the resource being listened to changes. Specify a 'resource[name]', the :action to be taken, and then the :timer for that action.

Note that subscribes doesn’t apply the specified action to the resource that it listens to - for example:

file '/etc/nginx/ssl/example.crt' do  mode '0600'  owner 'root' end  service 'nginx' do  subscribes :reload, 'file[/etc/nginx/ssl/example.crt]', :immediately end

In this case the subscribes property reloads the nginx service whenever its certificate file, located under /etc/nginx/ssl/example.crt, is updated. subscribes doesn’t make any changes to the certificate file itself, it merely listens for a change to the file, and executes the :reload action for its resource (in this example nginx) when a change is detected.

If the other resource doesn’t exist, the subscription won’t raise an error. Contrast this with the stricter semantics of notifies, which will raise an error if the other resource doesn’t exist.

A timer specifies the point during a Chef Infra Client run at which a notification is run. The following timers are available:

:before: Specifies that the action on a notified resource should be run before processing the resource block in which the notification is located.
:delayed: Default. Specifies that a notification should be queued up, and then executed at the end of a Chef Infra Client run.
:immediate, :immediately: Specifies that a notification should be run immediately, for each resource notified.

The syntax for subscribes is:

subscribes :action, 'resource[name]', :timer

Guards

A guard property can be used to evaluate the state of a node during the execution phase of a Chef Infra Client run. Based on the results of this evaluation, a guard property is then used to tell Chef Infra Client if it should continue executing a resource. A guard property accepts either a string value or a Ruby block value:

A string is executed as a shell command. If the command returns 0, the guard is applied. If the command returns any other value, then the guard property isn’t applied. String guards in a powershell_script run Windows PowerShell commands and may return true in addition to 0.
A block is executed as Ruby code that must return either true or false. If the block returns true, the guard property is applied. If the block returns false, the guard property isn’t applied.

A guard property is useful for ensuring that a resource is idempotent by allowing that resource to test for the desired state as it’s being executed, and then if the desired state is present, for Chef Infra Client to do nothing.

Properties

The following properties can be used to define a guard that’s evaluated during the execution phase of a Chef Infra Client run:

not_if: Prevent a resource from executing when the condition returns true.
only_if: Allow a resource to execute only if the condition returns true.

Examples

The following examples demonstrate various approaches for using the apt_repository resource in recipes:

Add repository with basic settings:

apt_repository 'nginx' do  uri 'http://nginx.org/packages/ubuntu/'  components ['nginx'] end

Enable Ubuntu multiverse repositories:

apt_repository 'security-ubuntu-multiverse' do  uri 'http://security.ubuntu.com/ubuntu'  distribution 'xenial-security'  components ['multiverse']  deb_src true end

Add the Nginx PPA, autodetect the key and repository url:

apt_repository 'nginx-php' do  uri 'ppa:nginx/stable' end

Add the JuJu PPA, grab the key from the Ubuntu keyserver, and add source repo:

apt_repository 'juju' do  uri 'ppa:juju/stable'  components ['main']  distribution 'xenial'  key 'C8068B11'  action :add  deb_src true end

Add repository that requires multiple keys to authenticate packages:

apt_repository 'rundeck' do  uri 'https://dl.bintray.com/rundeck/rundeck-deb'  distribution '/'  key ['379CE192D401AB61', 'http://rundeck.org/keys/BUILD-GPG-KEY-Rundeck.org.key']  keyserver 'keyserver.ubuntu.com'  action :add end

Add the Cloudera Repo of CDH4 packages for Ubuntu 16.04 on AMD64:

apt_repository 'cloudera' do  uri 'http://archive.cloudera.com/cdh4/ubuntu/xenial/amd64/cdh'  arch 'amd64'  distribution 'xenial-cdh4'  components ['contrib']  key 'http://archive.cloudera.com/debian/archive.key' end

Add repository that needs custom options:

apt_repository 'corretto' do  uri 'https://apt.corretto.aws'  arch 'amd64'  distribution 'stable'  components ['main']  options ['target-=Contents-deb']  key 'https://apt.corretto.aws/corretto.key' end

Remove a repository from the list:

apt_repository 'zenoss' do  action :remove end