CfnExtension

class aws_cdk.aws_appconfig.CfnExtension(scope, id, *, actions, name, description=None, latest_version_number=None, parameters=None, tags=None)

Bases: CfnResource

A CloudFormation AWS::AppConfig::Extension.

Creates an AWS AppConfig extension. An extension augments your ability to inject logic or behavior at different points during the AWS AppConfig workflow of creating or deploying a configuration.

You can create your own extensions or use the AWS authored extensions provided by AWS AppConfig . For an AWS AppConfig extension that uses AWS Lambda , you must create a Lambda function to perform any computation and processing defined in the extension. If you plan to create custom versions of the AWS authored notification extensions, you only need to specify an Amazon Resource Name (ARN) in the Uri field for the new extension version.

  • For a custom EventBridge notification extension, enter the ARN of the EventBridge default events in the Uri field.

  • For a custom Amazon SNS notification extension, enter the ARN of an Amazon SNS topic in the Uri field.

  • For a custom Amazon SQS notification extension, enter the ARN of an Amazon SQS message queue in the Uri field.

For more information about extensions, see Working with AWS AppConfig extensions in the AWS AppConfig User Guide .

CloudformationResource:

AWS::AppConfig::Extension

Link:

http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-appconfig-extension.html

ExampleMetadata:

fixture=_generated

Example:

# The code below shows an example of how to instantiate this type.
# The values are placeholders you should change.
import aws_cdk.aws_appconfig as appconfig

# actions: Any

cfn_extension = appconfig.CfnExtension(self, "MyCfnExtension",
    actions=actions,
    name="name",

    # the properties below are optional
    description="description",
    latest_version_number=123,
    parameters={
        "parameters_key": appconfig.CfnExtension.ParameterProperty(
            required=False,

            # the properties below are optional
            description="description"
        )
    },
    tags=[CfnTag(
        key="key",
        value="value"
    )]
)

Create a new AWS::AppConfig::Extension.

Parameters:
  • scope (Construct) –

    • scope in which this resource is defined.

  • id (str) –

    • scoped id of the resource.

  • actions (Any) – The actions defined in the extension.

  • name (str) – A name for the extension. Each extension name in your account must be unique. Extension versions use the same name.

  • description (Optional[str]) – Information about the extension.

  • latest_version_number (Union[int, float, None]) – You can omit this field when you create an extension. When you create a new version, specify the most recent current version number. For example, you create version 3, enter 2 for this field.

  • parameters (Union[IResolvable, Mapping[str, Union[IResolvable, ParameterProperty, Dict[str, Any]]], None]) – The parameters accepted by the extension. You specify parameter values when you associate the extension to an AWS AppConfig resource by using the CreateExtensionAssociation API action. For AWS Lambda extension actions, these parameters are included in the Lambda request object.

  • tags (Optional[Sequence[Union[CfnTag, Dict[str, Any]]]]) – Adds one or more tags for the specified extension. Tags are metadata that help you categorize resources in different ways, for example, by purpose, owner, or environment. Each tag consists of a key and an optional value, both of which you define.

Methods

add_deletion_override(path)

Syntactic sugar for addOverride(path, undefined).

Parameters:

path (str) – The path of the value to delete.

Return type:

None

add_depends_on(target)

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.

Parameters:

target (CfnResource) –

Return type:

None

add_metadata(key, value)

Add a value to the CloudFormation Resource Metadata.

Parameters:
  • key (str) –

  • value (Any) –

See:

Return type:

None

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.

add_override(path, 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:

cfn_resource.add_override("Properties.GlobalSecondaryIndexes.0.Projection.NonKeyAttributes", ["myattribute"])
cfn_resource.add_override("Properties.GlobalSecondaryIndexes.1.ProjectionType", "INCLUDE")

would add the overrides Example:

"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.

Parameters:
  • path (str) –

    • The path of the property, you can use dot notation to override values in complex types. Any intermdediate keys will be created as needed.

  • value (Any) –

    • The value. Could be primitive or complex.

Return type:

None

add_property_deletion_override(property_path)

Adds an override that deletes the value of a property from the resource definition.

Parameters:

property_path (str) – The path to the property.

Return type:

None

add_property_override(property_path, value)

Adds an override to a resource property.

Syntactic sugar for addOverride("Properties.<...>", value).

Parameters:
  • property_path (str) – The path of the property.

  • value (Any) – The value.

Return type:

None

apply_removal_policy(policy=None, *, apply_to_update_replace_policy=None, default=None)

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).

Parameters:
  • policy (Optional[RemovalPolicy]) –

  • apply_to_update_replace_policy (Optional[bool]) – Apply the same deletion policy to the resource’s “UpdateReplacePolicy”. Default: true

  • default (Optional[RemovalPolicy]) – The default policy to apply in case the removal policy is not defined. Default: - Default value is resource specific. To determine the default value for a resoure, please consult that specific resource’s documentation.

Return type:

None

get_att(attribute_name)

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.

Parameters:

attribute_name (str) – The name of the attribute.

Return type:

Reference

get_metadata(key)

Retrieve a value value from the CloudFormation Resource Metadata.

Parameters:

key (str) –

See:

Return type:

Any

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)

Examines the CloudFormation resource and discloses attributes.

Parameters:

inspector (TreeInspector) –

  • tree inspector to collect and process attributes.

Return type:

None

override_logical_id(new_logical_id)

Overrides the auto-generated logical ID with a specific ID.

Parameters:

new_logical_id (str) – The new logical ID to use for this stack element.

Return type:

None

to_string()

Returns a string representation of this construct.

Return type:

str

Returns:

a string representation of this resource

Attributes

CFN_RESOURCE_TYPE_NAME = 'AWS::AppConfig::Extension'
actions

The actions defined in the extension.

Link:

http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-appconfig-extension.html#cfn-appconfig-extension-actions

attr_arn

The system-generated Amazon Resource Name (ARN) for the extension.

CloudformationAttribute:

Arn

attr_id

The system-generated ID of the extension.

CloudformationAttribute:

Id

attr_version_number

The extension version number.

CloudformationAttribute:

VersionNumber

cfn_options

Options for this resource, such as condition, update policy etc.

cfn_resource_type

AWS resource type.

creation_stack

return:

the stack trace of the point where this Resource was created from, sourced from the +metadata+ entry typed +aws:cdk:logicalId+, and with the bottom-most node +internal+ entries filtered.

description

Information about the extension.

Link:

http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-appconfig-extension.html#cfn-appconfig-extension-description

latest_version_number

You can omit this field when you create an extension.

When you create a new version, specify the most recent current version number. For example, you create version 3, enter 2 for this field.

Link:

http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-appconfig-extension.html#cfn-appconfig-extension-latestversionnumber

logical_id

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).

Returns:

the logical ID as a stringified token. This value will only get resolved during synthesis.

name

A name for the extension.

Each extension name in your account must be unique. Extension versions use the same name.

Link:

http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-appconfig-extension.html#cfn-appconfig-extension-name

node

The construct tree node associated with this construct.

parameters

The parameters accepted by the extension.

You specify parameter values when you associate the extension to an AWS AppConfig resource by using the CreateExtensionAssociation API action. For AWS Lambda extension actions, these parameters are included in the Lambda request object.

Link:

http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-appconfig-extension.html#cfn-appconfig-extension-parameters

ref

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

The stack in which this element is defined.

CfnElements must be defined within a stack scope (directly or indirectly).

tags

Adds one or more tags for the specified extension.

Tags are metadata that help you categorize resources in different ways, for example, by purpose, owner, or environment. Each tag consists of a key and an optional value, both of which you define.

Link:

http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-appconfig-extension.html#cfn-appconfig-extension-tags

Static Methods

classmethod is_cfn_element(x)

Returns true if a construct is a stack element (i.e. part of the synthesized cloudformation template).

Uses duck-typing instead of instanceof to allow stack elements from different versions of this library to be included in the same stack.

Parameters:

x (Any) –

Return type:

bool

Returns:

The construct as a stack element or undefined if it is not a stack element.

classmethod is_cfn_resource(construct)

Check whether the given construct is a CfnResource.

Parameters:

construct (IConstruct) –

Return type:

bool

classmethod is_construct(x)

Return whether the given object is a Construct.

Parameters:

x (Any) –

Return type:

bool

ParameterProperty

class CfnExtension.ParameterProperty(*, required, description=None)

Bases: object

A value such as an Amazon Resource Name (ARN) or an Amazon Simple Notification Service topic entered in an extension when invoked.

Parameter values are specified in an extension association. For more information about extensions, see Working with AWS AppConfig extensions in the AWS AppConfig User Guide .

Parameters:
  • required (Union[bool, IResolvable]) – A parameter value must be specified in the extension association.

  • description (Optional[str]) – Information about the parameter.

Link:

http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-appconfig-extension-parameter.html

ExampleMetadata:

fixture=_generated

Example:

# The code below shows an example of how to instantiate this type.
# The values are placeholders you should change.
import aws_cdk.aws_appconfig as appconfig

parameter_property = appconfig.CfnExtension.ParameterProperty(
    required=False,

    # the properties below are optional
    description="description"
)

Attributes

description

Information about the parameter.

Link:

http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-appconfig-extension-parameter.html#cfn-appconfig-extension-parameter-description

required

A parameter value must be specified in the extension association.

Link:

http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-appconfig-extension-parameter.html#cfn-appconfig-extension-parameter-required