class CfnBucketPolicy (construct)
Language | Type name |
---|---|
![]() | Amazon.CDK.AWS.S3.CfnBucketPolicy |
![]() | github.com/aws/aws-cdk-go/awscdk/v2/awss3#CfnBucketPolicy |
![]() | software.amazon.awscdk.services.s3.CfnBucketPolicy |
![]() | aws_cdk.aws_s3.CfnBucketPolicy |
![]() | aws-cdk-lib » aws_s3 » CfnBucketPolicy |
Implements
IConstruct
, IDependable
, IInspectable
Applies an Amazon S3 bucket policy to an Amazon S3 bucket.
If you are using an identity other than the root user of the AWS account that owns the bucket, the calling identity must have the PutBucketPolicy
permissions on the specified bucket and belong to the bucket owner's account in order to use this operation.
If you don't have PutBucketPolicy
permissions, Amazon S3 returns a 403 Access Denied
error. If you have the correct permissions, but you're not using an identity that belongs to the bucket owner's account, Amazon S3 returns a 405 Method Not Allowed
error.
As a security precaution, the root user of the AWS account that owns a bucket can always use this operation, even if the policy explicitly denies the root user the ability to perform this action.
When using the AWS::S3::BucketPolicy
resource, you can create, update, and delete bucket policies for S3 buckets located in regions different from the stack's region. This cross-region bucket policy modification functionality is supported for backward compatibility with existing workflows.
If the DeletionPolicy attribute is not specified or set to
Delete
, the bucket policy will be removed when the stack is deleted. If set toRetain
, the bucket policy will be preserved even after the stack is deleted.
For example, a CloudFormation stack in us-east-1
can use the AWS::S3::BucketPolicy
resource to manage the bucket policy for an S3 bucket in us-west-2
. The retention or removal of the bucket policy during the stack deletion is determined by the DeletionPolicy
attribute specified in the stack template.
For more information, see Bucket policy examples .
The following operations are related to PutBucketPolicy
:
See also: http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-s3-bucketpolicy.html
Example
const bucketName = "amzn-s3-demo-bucket";
const accessLogsBucket = new s3.Bucket(this, 'AccessLogsBucket', {
objectOwnership: s3.ObjectOwnership.BUCKET_OWNER_ENFORCED,
bucketName,
});
// Creating a bucket policy using L1
const bucketPolicy = new s3.CfnBucketPolicy(this, "BucketPolicy", {
bucket: bucketName,
policyDocument: {
Statement: [
{
Action: 's3:*',
Effect: 'Deny',
Principal: {
AWS: '*',
},
Resource: [
accessLogsBucket.bucketArn,
`${accessLogsBucket.bucketArn}/*`
],
},
],
Version: '2012-10-17',
},
});
// 'serverAccessLogsBucket' will create a new L2 bucket policy
// to allow log delivery and overwrite the L1 bucket policy.
const bucket = new s3.Bucket(this, 'MyBucket', {
serverAccessLogsBucket: accessLogsBucket,
serverAccessLogsPrefix: 'logs',
});
Initializer
new CfnBucketPolicy(scope: Construct, id: string, props: CfnBucketPolicyProps)
Parameters
- scope
Construct
— Scope in which this resource is defined. - id
string
— Construct identifier for this resource (unique in its scope). - props
Cfn
— Resource properties.Bucket Policy Props
Construct Props
Name | Type | Description |
---|---|---|
bucket | string | The name of the Amazon S3 bucket to which the policy applies. |
policy | any | A policy document containing permissions to add to the specified bucket. |
bucket
Type:
string
The name of the Amazon S3 bucket to which the policy applies.
policyDocument
Type:
any
A policy document containing permissions to add to the specified bucket.
In IAM, you must provide policy documents in JSON format. However, in CloudFormation you can provide the policy in JSON or YAML format because CloudFormation converts YAML to JSON before submitting it to IAM. For more information, see the AWS::IAM::Policy PolicyDocument resource description in this guide and Access Policy Language Overview in the Amazon S3 User Guide .
Properties
Name | Type | Description |
---|---|---|
bucket | string | The name of the Amazon S3 bucket to which the policy applies. |
cfn | ICfn | Options for this resource, such as condition, update policy etc. |
cfn | { [string]: any } | |
cfn | string | AWS resource type. |
creation | string[] | |
logical | string | The logical ID for this CloudFormation stack element. |
node | Node | The tree node. |
policy | any | A policy document containing permissions to add to the specified bucket. |
ref | string | Return a string that will be resolved to a CloudFormation { Ref } for this element. |
stack | Stack | The stack in which this element is defined. |
static CFN_RESOURCE_TYPE_NAME | string | The CloudFormation resource type name for this resource class. |
bucket
Type:
string
The name of the Amazon S3 bucket to which the policy applies.
cfnOptions
Type:
ICfn
Options for this resource, such as condition, update policy etc.
cfnProperties
Type:
{ [string]: any }
cfnResourceType
Type:
string
AWS resource type.
creationStack
Type:
string[]
logicalId
Type:
string
The logical ID for this CloudFormation stack element.
The logical ID of the element is calculated from the path of the resource node in the construct tree.
To override this value, use overrideLogicalId(newLogicalId)
.
node
Type:
Node
The tree node.
policyDocument
Type:
any
A policy document containing permissions to add to the specified bucket.
ref
Type:
string
Return a string that will be resolved to a CloudFormation { Ref }
for this element.
If, by any chance, the intrinsic reference of a resource is not a string, you could
coerce it to an IResolvable through Lazy.any({ produce: resource.ref })
.
stack
Type:
Stack
The stack in which this element is defined.
CfnElements must be defined within a stack scope (directly or indirectly).
static CFN_RESOURCE_TYPE_NAME
Type:
string
The CloudFormation resource type name for this resource class.
Methods
Name | Description |
---|---|
add | Syntactic sugar for addOverride(path, undefined) . |
add | Indicates that this resource depends on another resource and cannot be provisioned unless the other resource has been successfully provisioned. |
add | Indicates that this resource depends on another resource and cannot be provisioned unless the other resource has been successfully provisioned. |
add | Add a value to the CloudFormation Resource Metadata. |
add | Adds an override to the synthesized CloudFormation resource. |
add | Adds an override that deletes the value of a property from the resource definition. |
add | Adds an override to a resource property. |
apply | Sets the deletion policy of the resource based on the removal policy specified. |
get | Returns a token for an runtime attribute of this resource. |
get | Retrieve a value value from the CloudFormation Resource Metadata. |
inspect(inspector) | Examines the CloudFormation resource and discloses attributes. |
obtain | Retrieves an array of resources this resource depends on. |
obtain | Get a shallow copy of dependencies between this resource and other resources in the same stack. |
override | Overrides the auto-generated logical ID with a specific ID. |
remove | Indicates that this resource no longer depends on another resource. |
replace | Replaces one dependency with another. |
to | Returns a string representation of this construct. |
protected render |
addDeletionOverride(path)
public addDeletionOverride(path: string): void
Parameters
- path
string
— The path of the value to delete.
Syntactic sugar for addOverride(path, undefined)
.
addDependency(target)
public addDependency(target: CfnResource): void
Parameters
- target
Cfn
Resource
Indicates that this resource depends on another resource and cannot be provisioned unless the other resource has been successfully provisioned.
This can be used for resources across stacks (or nested stack) boundaries and the dependency will automatically be transferred to the relevant scope.
addDependsOn(target)
public addDependsOn(target: CfnResource): void
⚠️ Deprecated: use addDependency
Parameters
- target
Cfn
Resource
Indicates that this resource depends on another resource and cannot be provisioned unless the other resource has been successfully provisioned.
addMetadata(key, value)
public addMetadata(key: string, value: any): void
Parameters
- key
string
- value
any
Add a value to the CloudFormation Resource Metadata.
Note that this is a different set of metadata from CDK node metadata; this metadata ends up in the stack template under the resource, whereas CDK node metadata ends up in the Cloud Assembly.](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/metadata-section-structure.html
Note that this is a different set of metadata from CDK node metadata; this metadata ends up in the stack template under the resource, whereas CDK node metadata ends up in the Cloud Assembly.)
addOverride(path, value)
public addOverride(path: string, value: any): void
Parameters
- path
string
— - The path of the property, you can use dot notation to override values in complex types. - value
any
— - The value.
Adds an override to the synthesized CloudFormation resource.
To add a
property override, either use addPropertyOverride
or prefix path
with
"Properties." (i.e. Properties.TopicName
).
If the override is nested, separate each nested level using a dot (.) in the path parameter. If there is an array as part of the nesting, specify the index in the path.
To include a literal .
in the property name, prefix with a \
. In most
programming languages you will need to write this as "\\."
because the
\
itself will need to be escaped.
For example,
cfnResource.addOverride('Properties.GlobalSecondaryIndexes.0.Projection.NonKeyAttributes', ['myattribute']);
cfnResource.addOverride('Properties.GlobalSecondaryIndexes.1.ProjectionType', 'INCLUDE');
would add the overrides
"Properties": {
"GlobalSecondaryIndexes": [
{
"Projection": {
"NonKeyAttributes": [ "myattribute" ]
...
}
...
},
{
"ProjectionType": "INCLUDE"
...
},
]
...
}
The value
argument to addOverride
will not be processed or translated
in any way. Pass raw JSON values in here with the correct capitalization
for CloudFormation. If you pass CDK classes or structs, they will be
rendered with lowercased key names, and CloudFormation will reject the
template.
addPropertyDeletionOverride(propertyPath)
public addPropertyDeletionOverride(propertyPath: string): void
Parameters
- propertyPath
string
— The path to the property.
Adds an override that deletes the value of a property from the resource definition.
addPropertyOverride(propertyPath, value)
public addPropertyOverride(propertyPath: string, value: any): void
Parameters
- propertyPath
string
— The path of the property. - value
any
— The value.
Adds an override to a resource property.
Syntactic sugar for addOverride("Properties.<...>", value)
.
applyRemovalPolicy(policy?, options?)
public applyRemovalPolicy(policy?: RemovalPolicy, options?: RemovalPolicyOptions): void
Parameters
- policy
Removal
Policy - options
Removal
Policy Options
Sets the deletion policy of the resource based on the removal policy specified.
The Removal Policy controls what happens to this resource when it stops being managed by CloudFormation, either because you've removed it from the CDK application or because you've made a change that requires the resource to be replaced.
The resource can be deleted (RemovalPolicy.DESTROY
), or left in your AWS
account for data recovery and cleanup later (RemovalPolicy.RETAIN
). In some
cases, a snapshot can be taken of the resource prior to deletion
(RemovalPolicy.SNAPSHOT
). A list of resources that support this policy
can be found in the following link:
getAtt(attributeName, typeHint?)
public getAtt(attributeName: string, typeHint?: ResolutionTypeHint): Reference
Parameters
- attributeName
string
— The name of the attribute. - typeHint
Resolution
Type Hint
Returns
Returns a token for an runtime attribute of this resource.
Ideally, use generated attribute accessors (e.g. resource.arn
), but this can be used for future compatibility
in case there is no generated attribute.
getMetadata(key)
public getMetadata(key: string): any
Parameters
- key
string
Returns
any
Retrieve a value value from the CloudFormation Resource Metadata.
Note that this is a different set of metadata from CDK node metadata; this metadata ends up in the stack template under the resource, whereas CDK node metadata ends up in the Cloud Assembly.](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/metadata-section-structure.html
Note that this is a different set of metadata from CDK node metadata; this metadata ends up in the stack template under the resource, whereas CDK node metadata ends up in the Cloud Assembly.)
inspect(inspector)
public inspect(inspector: TreeInspector): void
Parameters
- inspector
Tree
— tree inspector to collect and process attributes.Inspector
Examines the CloudFormation resource and discloses attributes.
obtainDependencies()
public obtainDependencies(): Stack | CfnResource[]
Returns
Stack
|
Cfn
Resource []
Retrieves an array of resources this resource depends on.
This assembles dependencies on resources across stacks (including nested stacks) automatically.
obtainResourceDependencies()
public obtainResourceDependencies(): CfnResource[]
Returns
Get a shallow copy of dependencies between this resource and other resources in the same stack.
overrideLogicalId(newLogicalId)
public overrideLogicalId(newLogicalId: string): void
Parameters
- newLogicalId
string
— The new logical ID to use for this stack element.
Overrides the auto-generated logical ID with a specific ID.
removeDependency(target)
public removeDependency(target: CfnResource): void
Parameters
- target
Cfn
Resource
Indicates that this resource no longer depends on another resource.
This can be used for resources across stacks (including nested stacks) and the dependency will automatically be removed from the relevant scope.
replaceDependency(target, newTarget)
public replaceDependency(target: CfnResource, newTarget: CfnResource): void
Parameters
- target
Cfn
— The dependency to replace.Resource - newTarget
Cfn
— The new dependency to add.Resource
Replaces one dependency with another.
toString()
public toString(): string
Returns
string
Returns a string representation of this construct.
protected renderProperties(props)
protected renderProperties(props: { [string]: any }): { [string]: any }
Parameters
- props
{ [string]: any }
Returns
{ [string]: any }