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yum_repository Resource

This page is generated from the Chef Infra Client source code.
To suggest a change, edit the yum_repository.rb file and submit a pull request to the Chef Infra Client repository.

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Use the yum_repository resource to manage a Yum repository configuration file located at /etc/yum.repos.d/repositoryid.repo on the local machine. This configuration file specifies which repositories to reference, how to handle cached data, etc.

New in Chef Infra Client 12.14.

Syntax

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

yum_repository 'name' do
  baseurl                    String, Array
  clean_metadata             true, false # default value: true
  cost                       String
  description                String # default value: "Yum Repository"
  enabled                    true, false # default value: true
  enablegroups               true, false
  exclude                    String
  failovermethod             String
  fastestmirror_enabled      true, false
  gpgcheck                   true, false # default value: true
  gpgkey                     String, Array
  http_caching               String
  include_config             String
  includepkgs                String
  keepalive                  true, false
  make_cache                 true, false # default value: true
  makecache_fast             true, false # default value: false
  max_retries                String, Integer
  metadata_expire            String
  metalink                   String
  mirror_expire              String
  mirrorlist                 String
  mirrorlist_expire          String
  mode                       String, Integer # default value: "0644"
  options                    Hash
  password                   String
  priority                   String
  proxy                      String
  proxy_password             String
  proxy_username             String
  repo_gpgcheck              true, false
  report_instanceid          true, false
  reposdir                   String # default value: "/etc/yum.repos.d/"
  repositoryid               String # default value: 'name' unless specified
  skip_if_unavailable        true, false
  source                     String
  sslcacert                  String
  sslclientcert              String
  sslclientkey               String
  sslverify                  true, false
  throttle                   String, Integer
  timeout                    String
  username                   String
  action                     Symbol # defaults to :create if not specified
end

where:

  • yum_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.
  • baseurl, clean_metadata, cost, description, enabled, enablegroups, exclude, failovermethod, fastestmirror_enabled, gpgcheck, gpgkey, http_caching, include_config, includepkgs, keepalive, make_cache, makecache_fast, max_retries, metadata_expire, metalink, mirror_expire, mirrorlist, mirrorlist_expire, mode, options, password, priority, proxy, proxy_password, proxy_username, repo_gpgcheck, report_instanceid, reposdir, repositoryid, skip_if_unavailable, source, sslcacert, sslclientcert, sslclientkey, sslverify, throttle, timeout, and username are the properties available to this resource.

Actions

The yum_repository resource has the following actions:

:create
Create a repository based on the properties. (default)
:delete
Remove a repository.
:makecache
Force the creation of the repository cache. This is also done automatically when a repository is updated.
:nothing
This resource block does not 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.

Properties

The yum_repository resource has the following properties:

baseurl
Ruby Type: String, Array

URL to the directory where the Yum repository’s repodata directory lives. Can be an http://, https:// or a ftp:// URLs. You can specify multiple URLs in one baseurl statement.

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

Specifies whether you want to purge all of the packages downloaded from a Yum repository and held in a cache directory.

cost
Ruby Type: String

Relative cost of accessing this repository. Useful for weighing one repo’s packages as greater/less than any other.

description
Ruby Type: String | Default Value: Yum Repository

Descriptive name for the repository channel and maps to the ’name’ parameter in a repository .conf.

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

Specifies whether or not Yum should use this repository.

enablegroups
Ruby Type: true, false

Specifies whether Yum will allow the use of package groups for this repository.

exclude
Ruby Type: String

List of packages to exclude from updates or installs. This should be a space separated list. Shell globs using wildcards (eg. * and ?) are allowed.

failovermethod
Ruby Type: String
Allowed Values: "priority", "roundrobin"

Method to determine how to switch to a new server if the current one fails, which can either be roundrobin or priority. roundrobin randomly selects a URL out of the list of URLs to start with and proceeds through each of them as it encounters a failure contacting the host. priority starts from the first baseurl listed and reads through them sequentially.

fastestmirror_enabled
Ruby Type: true, false

Specifies whether to use the fastest mirror from a repository configuration when more than one mirror is listed in that configuration.

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

Specifies whether or not Yum should perform a GPG signature check on the packages received from a repository.

gpgkey
Ruby Type: String, Array

URL pointing to the ASCII-armored GPG key file for the repository. This is used if Yum needs a public key to verify a package and the required key hasn’t been imported into the RPM database. If this option is set, Yum will automatically import the key from the specified URL. Multiple URLs may be specified in the same manner as the baseurl option. If a GPG key is required to install a package from a repository, all keys specified for that repository will be installed. Multiple URLs may be specified in the same manner as the baseurl option. If a GPG key is required to install a package from a repository, all keys specified for that repository will be installed.

http_caching
Ruby Type: String
Allowed Values: "all", "none", "packages"

Determines how upstream HTTP caches are instructed to handle any HTTP downloads that Yum does. This option can take the following values:

  • all means all HTTP downloads should be cached
  • packages means only RPM package downloads should be cached, but not repository metadata downloads
  • none means no HTTP downloads should be cached.

The default value of all is recommended unless you are experiencing caching related issues.

include_config
Ruby Type: String

An external configuration file using the format url://to/some/location.

includepkgs
Ruby Type: String

Inverse of exclude property. This is a list of packages you want to use from a repository. If this option lists only one package then that is all Yum will ever see from the repository.

keepalive
Ruby Type: true, false

Determines whether or not HTTP/1.1 keep-alive should be used with this repository.

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

Determines whether package files downloaded by Yum stay in cache directories. By using cached data, you can carry out certain operations without a network connection.

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

If make_cache is true, this uses yum makecache fast, which downloads only the minimum amount of data required. Useful over slower connections and when disk space is at a premium.

New in Chef Infra Client 18.1

max_retries
Ruby Type: String, Integer

Number of times any attempt to retrieve a file should retry before returning an error. Setting this to 0 makes Yum try forever.

metadata_expire
Ruby Type: String

Time (in seconds) after which the metadata will expire. If the current metadata downloaded is less than the value specified, then Yum will not update the metadata against the repository. If you find that Yum is not downloading information on updates as often as you would like lower the value of this option. You can also change from the default of using seconds to using days, hours or minutes by appending a d, h or m respectively. The default is six hours to compliment yum-updates running once per hour. It is also possible to use the word never, meaning that the metadata will never expire.

Note

When using a metalink file, the metalink must always be newer than the metadata for the repository due to the validation, so this timeout also applies to the metalink file.

metalink
Ruby Type: String

Specifies a URL to a metalink file for the repomd.xml, a list of mirrors for the entire repository are generated by converting the mirrors for the repomd.xml file to a baseurl.

mirror_expire
Ruby Type: String

Time (in seconds) after which the mirrorlist locally cached will expire. If the current mirrorlist is less than this many seconds old then Yum will not download another copy of the mirrorlist, it has the same extra format as metadata_expire. If you find that Yum is not downloading the mirrorlists as often as you would like lower the value of this option. You can also change from the default of using seconds to using days, hours or minutes by appending a d, h or m respectively.

mirrorlist
Ruby Type: String

URL to a file containing a list of baseurls. This can be used instead of or with the baseurl option. Substitution variables, described below, can be used with this option.

mirrorlist_expire
Ruby Type: String

Specifies the time (in seconds) after which the mirrorlist locally cached will expire. If the current mirrorlist is less than the value specified, then Yum will not download another copy of the mirrorlist. You can also change from the default of using seconds to using days, hours or minutes by appending a d, h or m respectively.

mode
Ruby Type: String, Integer | Default Value: 0644

Permissions mode of .repo file on disk. This is useful for scenarios where secrets are in the repo file. If this value is set to 600, normal users will not be able to use Yum search, Yum info, etc.

options
Ruby Type: Hash

Specifies the repository options.

password
Ruby Type: String

Password to use with the username for basic authentication.

priority
Ruby Type: String

Assigns a priority to a repository where the priority value is between 1 and 99 inclusive. Priorities are used to enforce ordered protection of repositories. Packages from repositories with a lower priority (higher numerical value) will never be used to upgrade packages that were installed from a repository with a higher priority (lower numerical value). The repositories with the lowest numerical priority number have the highest priority.

proxy
Ruby Type: String

URL to the proxy server that Yum should use.

proxy_password
Ruby Type: String

Password for this proxy.

proxy_username
Ruby Type: String

Username to use for proxy.

repo_gpgcheck
Ruby Type: true, false

Determines whether or not Yum should perform a GPG signature check on the repodata from this repository.

report_instanceid
Ruby Type: true, false

Determines whether to report the instance ID when using Amazon Linux AMIs and repositories.

reposdir
Ruby Type: String | Default Value: /etc/yum.repos.d/

The directory where the Yum repository files should be stored

New in Chef Infra Client 16.9

repositoryid
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.

skip_if_unavailable
Ruby Type: true, false

Allow yum to continue if this repository cannot be contacted for any reason.

source
Ruby Type: String

Use a custom template source instead of the default one.

sslcacert
Ruby Type: String

Path to the directory containing the databases of the certificate authorities Yum should use to verify SSL certificates.

sslclientcert
Ruby Type: String

Path to the SSL client certificate Yum should use to connect to repos/remote sites.

sslclientkey
Ruby Type: String

Path to the SSL client key Yum should use to connect to repos/remote sites.

sslverify
Ruby Type: true, false

Determines whether Yum will verify SSL certificates/hosts.

throttle
Ruby Type: String, Integer

Enable bandwidth throttling for downloads.

timeout
Ruby Type: String

Number of seconds to wait for a connection before timing out. Defaults to 30 seconds. This may be too short of a time for extremely overloaded sites.

username
Ruby Type: String

Username to use for basic authentication to a repository.


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 will not 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 is not 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 does not exist, an error is raised. In contrast, subscribes will not fail if the source resource is not 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 does not 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 does not 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 does not exist, the subscription will not raise an error. Contrast this with the stricter semantics of notifies, which will raise an error if the other resource does not 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 is not 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 is not 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 is 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 is 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 yum_repository resource in recipes:

Add an internal company repository:

yum_repository 'OurCo' do
  description 'OurCo yum repository'
  mirrorlist 'http://artifacts.ourco.org/mirrorlist?repo=ourco-8&arch=$basearch'
  gpgkey 'http://artifacts.ourco.org/pub/yum/RPM-GPG-KEY-OURCO-8'
  action :create
end

Delete a repository:

yum_repository 'CentOS-Media' do
  action :delete
end
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