AWS::S3::AccessGrant
The AWS::S3::AccessGrant
resource creates an access grant that gives a grantee access to your S3 data. The grantee can be an IAM user or role or a directory user, or group. Before you can create a grant, you must have an S3 Access Grants instance in the same Region as the S3 data. You can create an S3 Access Grants instance using the AWS::S3::AccessGrantsInstance. You must also have registered at least one S3 data location in your S3 Access Grants instance using AWS::S3::AccessGrantsLocation.
- Permissions
-
You must have the
s3:CreateAccessGrant
permission to use this resource. - Additional Permissions
-
For any directory identity -
sso:DescribeInstance
andsso:DescribeApplication
For directory users -
identitystore:DescribeUser
For directory groups -
identitystore:DescribeGroup
Syntax
To declare this entity in your AWS CloudFormation template, use the following syntax:
JSON
{ "Type" : "AWS::S3::AccessGrant", "Properties" : { "AccessGrantsLocationConfiguration" :
AccessGrantsLocationConfiguration
, "AccessGrantsLocationId" :String
, "ApplicationArn" :String
, "Grantee" :Grantee
, "Permission" :String
, "S3PrefixType" :String
, "Tags" :[ Tag, ... ]
} }
YAML
Type: AWS::S3::AccessGrant Properties: AccessGrantsLocationConfiguration:
AccessGrantsLocationConfiguration
AccessGrantsLocationId:String
ApplicationArn:String
Grantee:Grantee
Permission:String
S3PrefixType:String
Tags:- Tag
Properties
AccessGrantsLocationConfiguration
-
The configuration options of the grant location. The grant location is the S3 path to the data to which you are granting access. It contains the
S3SubPrefix
field. The grant scope is the result of appending the subprefix to the location scope of the registered location.Required: No
Type: AccessGrantsLocationConfiguration
Update requires: No interruption
AccessGrantsLocationId
-
The ID of the registered location to which you are granting access. S3 Access Grants assigns this ID when you register the location. S3 Access Grants assigns the ID
default
to the default locations3://
and assigns an auto-generated ID to other locations that you register.Required: Yes
Type: String
Update requires: No interruption
ApplicationArn
-
The Amazon Resource Name (ARN) of an AWS IAM Identity Center application associated with your Identity Center instance. If the grant includes an application ARN, the grantee can only access the S3 data through this application.
Required: No
Type: String
Update requires: No interruption
Grantee
-
The user, group, or role to which you are granting access. You can grant access to an IAM user or role. If you have added your corporate directory to AWS IAM Identity Center and associated your Identity Center instance with your S3 Access Grants instance, the grantee can also be a corporate directory user or group.
Required: Yes
Type: Grantee
Update requires: No interruption
Permission
-
The type of access that you are granting to your S3 data, which can be set to one of the following values:
-
READ
– Grant read-only access to the S3 data. -
WRITE
– Grant write-only access to the S3 data. -
READWRITE
– Grant both read and write access to the S3 data.
Required: Yes
Type: String
Allowed values:
READ | WRITE | READWRITE
Update requires: No interruption
-
S3PrefixType
-
The type of
S3SubPrefix
. The only possible value isObject
. Pass this value if the access grant scope is an object. Do not pass this value if the access grant scope is a bucket or a bucket and a prefix.Required: No
Type: String
Allowed values:
Object
Update requires: Replacement
-
The AWS resource tags that you are adding to the access grant. Each tag is a label consisting of a user-defined key and value. Tags can help you manage, identify, organize, search for, and filter resources.
Required: No
Type: Array of Tag
Update requires: Replacement
Return values
Ref
When you pass the logical ID of this resource to the intrinsic Ref
function, Ref
returns some information about your access grant.
For more information about using the Ref
function, see Ref
.
Fn::GetAtt
The Fn::GetAtt
intrinsic function returns a value for a specified attribute of this type. The following are the available attributes and sample return values.
For more information about using the Fn::GetAtt
intrinsic function, see Fn::GetAtt
.
AccessGrantArn
-
The ARN of the access grant.
AccessGrantId
-
The ID of the access grant. S3 Access Grants auto-generates this ID when you create the access grant.
GrantScope
-
The S3 path of the data to which you are granting access. It is the result of appending the
Subprefix
to the location scope.