windows_share Resource

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Use the windows_share resource to create, modify and remove Windows shares.

New in Chef Infra Client 14.7.

Syntax

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

windows_share 'name' do
  ca_timeout                  Integer # default value: 0
  change_users                Array # default value: []
  concurrent_user_limit       Integer # default value: 0
  continuously_available      true, false # default value: false
  description                 String
  encrypt_data                true, false # default value: false
  full_users                  Array # default value: []
  path                        String
  read_users                  Array # default value: []
  scope_name                  String # default value: "*"
  share_name                  String # default value: 'name' unless specified
  temporary                   true, false # default value: false
  action                      Symbol # defaults to :create if not specified
end

where:

• windows_share 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.
• ca_timeout, change_users, concurrent_user_limit, continuously_available, description, encrypt_data, full_users, path, read_users, scope_name, share_name, and temporary are the properties available to this resource.

Actions

The windows_share resource has the following actions:

:create

Create or modify a Windows share. (default)

:delete

Delete an existing Windows share.

: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 windows_share resource has the following properties:

ca_timeout

Ruby Type: Integer | Default Value: 0

The continuous availability time-out for the share.

change_users

Ruby Type: Array | Default Value: []

The users that should have ‘modify’ permission on the share in domain\username format.

concurrent_user_limit

Ruby Type: Integer | Default Value: 0

The maximum number of concurrently connected users the share can accommodate.

continuously_available

Ruby Type: true, false | Default Value: false

Indicates that the share is continuously available.

description

Ruby Type: String

The description to be applied to the share.

encrypt_data

Ruby Type: true, false | Default Value: false

Indicates that the share is encrypted.

full_users

Ruby Type: Array | Default Value: []

The users that should have ‘Full control’ permissions on the share in domain\username format.

path

Ruby Type: String

The path of the folder to share. Required when creating. If the share already exists on a different path then it is deleted and re-created.

read_users

Ruby Type: Array | Default Value: []

The users that should have ‘read’ permission on the share in domain\username format.

scope_name

Ruby Type: String | Default Value: *

The scope name of the share.

share_name

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

An optional property to set the share name if it differs from the resource block’s name.

temporary

Ruby Type: true, false | Default Value: false

The lifetime of the new SMB share. A temporary share does not persist beyond the next restart of the computer.

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.

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 windows_share resource in recipes:

Create a share:

windows_share 'foo' do
  action :create
  path 'C:\foo'
  full_users ['DOMAIN_A\some_user', 'DOMAIN_B\some_other_user']
  read_users ['DOMAIN_C\Domain users']
end

Delete a share:

windows_share 'foo' do
  action :delete
end