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chore(release): 1.53.0 (#9166)
See [CHANGELOG](https://github.com/aws/aws-cdk/blob/bump/1.53.0/CHANGELOG.md)
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‎CHANGELOG.md

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All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
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## [1.53.0](https://github.com/aws/aws-cdk/compare/v1.52.0...v1.53.0) (2020-07-20)
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### Features
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* **ec2:** access a vpc's internet gateway ([#7939](https://github.com/aws/aws-cdk/issues/7939)) ([cb5dad8](https://github.com/aws/aws-cdk/commit/cb5dad8854b59bf89e41348a5e8010ff2e4612f3)), closes [#5327](https://github.com/aws/aws-cdk/issues/5327)
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* **lambda-nodejs:** connection reuse with aws-sdk ([#9083](https://github.com/aws/aws-cdk/issues/9083)) ([44c0400](https://github.com/aws/aws-cdk/commit/44c040072362456ebdd15799076a67bbb74e6668))
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### Bug Fixes
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* **cli:** cli integ tests do not have a unique stack prefix ([#9165](https://github.com/aws/aws-cdk/issues/9165)) ([968c460](https://github.com/aws/aws-cdk/commit/968c460849fdd3bd0ad116ed86de7be55659fbe9))
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## [1.52.0](https://github.com/aws/aws-cdk/compare/v1.51.0...v1.52.0) (2020-07-18)
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* **aws-stepfunctions-tasks:** allow lambda invocations to combine input and function results ([#9022](https://github.com/aws/aws-cdk/issues/9022)) ([846a222](https://github.com/aws/aws-cdk/commit/846a222140984d0aaed948d5bb1f3127a2cc6eb1)), closes [#8943](https://github.com/aws/aws-cdk/issues/8943)
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* **certificatemanager:** native CloudFormation DNS validated certificate ([#8552](https://github.com/aws/aws-cdk/issues/8552)) ([337279f](https://github.com/aws/aws-cdk/commit/337279fcce009badc1bb878bdfbcf51ecbef0a38)), closes [#5831](https://github.com/aws/aws-cdk/issues/5831) [#5835](https://github.com/aws/aws-cdk/issues/5835) [#6081](https://github.com/aws/aws-cdk/issues/6081) [#6516](https://github.com/aws/aws-cdk/issues/6516) [#7150](https://github.com/aws/aws-cdk/issues/7150) [#7941](https://github.com/aws/aws-cdk/issues/7941) [#7995](https://github.com/aws/aws-cdk/issues/7995) [#7996](https://github.com/aws/aws-cdk/issues/7996) [#8282](https://github.com/aws/aws-cdk/issues/8282) [#8659](https://github.com/aws/aws-cdk/issues/8659) [#8783](https://github.com/aws/aws-cdk/issues/8783)
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* **cfn-include:** add support for nested stacks ([#8980](https://github.com/aws/aws-cdk/issues/8980)) ([bf12456](https://github.com/aws/aws-cdk/commit/bf12456671e171eab16690fc8b54fae6841cf711)), closes [#8978](https://github.com/aws/aws-cdk/issues/8978)
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* **cli:** bootstrap stacks are protected from termination by default ([#9002](https://github.com/aws/aws-cdk/issues/9002)) ([0ec7912](https://github.com/aws/aws-cdk/commit/0ec7912a4272ad8729297f775719524a2770083b))
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* **cloudfront:** Initial CloudFront redesign ([#8982](https://github.com/aws/aws-cdk/issues/8982)) ([d30fa9d](https://github.com/aws/aws-cdk/commit/d30fa9dda0726230f077c181833fddd40450d6ae))
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* **codepipeline:** add support for a StepFunctions invoke action ([#8931](https://github.com/aws/aws-cdk/issues/8931)) ([499776d](https://github.com/aws/aws-cdk/commit/499776de6000b7a18b021b5e17d22078e55f66d9))
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* **core:** cloudformation resource metadata ([#9063](https://github.com/aws/aws-cdk/issues/9063)) ([b0f8729](https://github.com/aws/aws-cdk/commit/b0f8729002b90c1c90ca46a4db9e297a69fef174)), closes [#8788](https://github.com/aws/aws-cdk/issues/8788)

‎CONTRIBUTING.md

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**awslint** is a linter for the AWS Construct Library APIs. It is executed as a
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part of the build of all AWS modules in the project and enforces the [AWS
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Construct Library Design Guidelines](./design/aws-guidelines.md).
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Construct Library Design Guidelines](./DESIGN_GUIDELINES.md).
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For more information about this tool, see the [awslint
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README](./tools/awslint/README.md).
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Generally speaking, if you make any changes which violate an awslint rule, build
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will fail with appropriate messages. All rules are documented and explained in
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the [guidelines](./design/aws-guidelines.md).
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the [guidelines](./DESIGN_GUIDELINES.md).
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Here are a few useful commands:
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‎lerna.json

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"tools/*"
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],
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"rejectCycles": "true",
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"version": "1.52.0"
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"version": "1.53.0"
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}

‎packages/@aws-cdk/aws-ec2/README.md

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@@ -252,6 +252,51 @@ DatabaseSubnet1 |`ISOLATED`|`10.0.6.0/28` |#1|Only routes within the VPC
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DatabaseSubnet2 |`ISOLATED`|`10.0.6.16/28`|#2|Only routes within the VPC
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DatabaseSubnet3 |`ISOLATED`|`10.0.6.32/28`|#3|Only routes within the VPC
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### Accessing the Internet Gateway
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If you need access to the internet gateway, you can get it's ID like so:
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```ts
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const igwId = vpc.internetGatewayId;
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```
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For a VPC with only `ISOLATED` subnets, this value will be undefined.
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This is only supported for VPC's created in the stack - currently you're
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unable to get the ID for imported VPC's. To do that you'd have to specifically
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look up the Internet Gateway by name, which would require knowing the name
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beforehand.
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This can be useful for configuring routing using a combination of gateways:
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for more information see [Routing](#routing) below.
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#### Routing
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It's possible to add routes to any subnets using the `addRoute()` method. If for
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example you want an isolated subnet to have a static route via the default
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Internet Gateway created for the public subnet - perhaps for routing a VPN
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connection - you can do so like this:
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```ts
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const vpc = ec2.Vpc(this, "VPC", {
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subnetConfiguration: [{
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subnetType: SubnetType.PUBLIC,
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name: 'Public',
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},{
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subnetType: SubnetType.ISOLATED,
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name: 'Isolated',
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}]
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})
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(vpc.isolatedSubnets[0] as Subnet).addRoute("StaticRoute", {
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routerId: vpc.internetGatewayId,
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routerType: RouterType.GATEWAY,
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destinationCidrBlock: "8.8.8.8/32",
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})
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```
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*Note that we cast to `Subnet` here because the list of subnets only returns an
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`ISubnet`.*
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### Reserving subnet IP space
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There are situations where the IP space for a subnet or number of subnets

‎packages/@aws-cdk/aws-ec2/lib/vpc.ts

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* Identifier for the VPN gateway
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*/
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readonly vpnGatewayId?: string;
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/**
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* Dependable that can be depended upon to force internet connectivity established on the VPC
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*/
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*/
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public readonly availabilityZones: string[];
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/**
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* Internet Gateway for the VPC. Note that in case the VPC is configured only
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* with ISOLATED subnets, this attribute will be `undefined`.
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*/
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public readonly internetGatewayId?: string;
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public readonly internetConnectivityEstablished: IDependable;
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/**
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if (allowOutbound) {
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const igw = new CfnInternetGateway(this, 'IGW', {
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});
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this.internetGatewayId = igw.ref;
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this._internetConnectivityEstablished.add(igw);
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const att = new CfnVPCGatewayAttachment(this, 'VPCGW', {
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internetGatewayId: igw.ref,

‎packages/@aws-cdk/aws-ec2/test/integ.vpc-gateway.expected.json

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{
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"Resources": {
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"MyVpcF9F0CA6F": {
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"Type": "AWS::EC2::VPC",
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"Properties": {
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"CidrBlock": "10.0.0.0/16",
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"EnableDnsHostnames": true,
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"EnableDnsSupport": true,
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"InstanceTenancy": "default",
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"Tags": [
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{
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"Key": "Name",
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"Value": "aws-cdk-ec2-vpc-gateway/MyVpc"
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}
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]
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}
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},
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"MyVpcPublicSubnet1SubnetF6608456": {
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"Type": "AWS::EC2::Subnet",
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"Properties": {
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"CidrBlock": "10.0.0.0/17",
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"VpcId": {
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"Ref": "MyVpcF9F0CA6F"
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},
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"AvailabilityZone": "test-region-1a",
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"MapPublicIpOnLaunch": true,
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"Tags": [
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{
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"Key": "aws-cdk:subnet-name",
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"Value": "Public"
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},
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{
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"Key": "aws-cdk:subnet-type",
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"Value": "Public"
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},
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{
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"Key": "Name",
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"Value": "aws-cdk-ec2-vpc-gateway/MyVpc/PublicSubnet1"
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}
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]
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}
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},
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"MyVpcPublicSubnet1RouteTableC46AB2F4": {
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"Type": "AWS::EC2::RouteTable",
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"Properties": {
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"VpcId": {
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"Ref": "MyVpcF9F0CA6F"
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},
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"Tags": [
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{
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"Key": "Name",
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"Value": "aws-cdk-ec2-vpc-gateway/MyVpc/PublicSubnet1"
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}
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]
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}
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},
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"MyVpcPublicSubnet1RouteTableAssociation2ECEE1CB": {
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"Type": "AWS::EC2::SubnetRouteTableAssociation",
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"Properties": {
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"RouteTableId": {
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"Ref": "MyVpcPublicSubnet1RouteTableC46AB2F4"
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},
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"SubnetId": {
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"Ref": "MyVpcPublicSubnet1SubnetF6608456"
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}
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}
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},
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"MyVpcPublicSubnet1DefaultRoute95FDF9EB": {
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"Type": "AWS::EC2::Route",
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"Properties": {
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"RouteTableId": {
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"Ref": "MyVpcPublicSubnet1RouteTableC46AB2F4"
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},
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"DestinationCidrBlock": "0.0.0.0/0",
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"GatewayId": {
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"Ref": "MyVpcIGW5C4A4F63"
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}
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},
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"DependsOn": [
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"MyVpcVPCGW488ACE0D"
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]
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},
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"MyVpcIsolatedSubnet1Subnet2259FE9F": {
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"Type": "AWS::EC2::Subnet",
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"Properties": {
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"CidrBlock": "10.0.128.0/17",
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"VpcId": {
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"Ref": "MyVpcF9F0CA6F"
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},
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"AvailabilityZone": "test-region-1a",
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"MapPublicIpOnLaunch": false,
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"Tags": [
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{
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"Key": "aws-cdk:subnet-name",
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"Value": "Isolated"
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},
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{
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"Key": "aws-cdk:subnet-type",
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"Value": "Isolated"
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},
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{
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"Key": "Name",
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"Value": "aws-cdk-ec2-vpc-gateway/MyVpc/IsolatedSubnet1"
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}
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]
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}
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},
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"MyVpcIsolatedSubnet1RouteTable67AEA7B8": {
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"Type": "AWS::EC2::RouteTable",
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"Properties": {
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"VpcId": {
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"Ref": "MyVpcF9F0CA6F"
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},
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"Tags": [
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{
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"Key": "Name",
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"Value": "aws-cdk-ec2-vpc-gateway/MyVpc/IsolatedSubnet1"
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}
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]
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}
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},
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"MyVpcIsolatedSubnet1RouteTableAssociationCDAE5449": {
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"Type": "AWS::EC2::SubnetRouteTableAssociation",
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"Properties": {
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"RouteTableId": {
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"Ref": "MyVpcIsolatedSubnet1RouteTable67AEA7B8"
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},
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"SubnetId": {
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"Ref": "MyVpcIsolatedSubnet1Subnet2259FE9F"
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}
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}
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},
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"MyVpcIsolatedSubnet1MyRouteCDD7D172": {
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"Type": "AWS::EC2::Route",
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"Properties": {
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"RouteTableId": {
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"Ref": "MyVpcIsolatedSubnet1RouteTable67AEA7B8"
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},
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"DestinationCidrBlock": "8.8.8.8/32",
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"GatewayId": {
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"Ref": "MyVpcIGW5C4A4F63"
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}
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}
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},
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"MyVpcIGW5C4A4F63": {
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"Type": "AWS::EC2::InternetGateway",
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"Properties": {
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"Tags": [
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{
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"Key": "Name",
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"Value": "aws-cdk-ec2-vpc-gateway/MyVpc"
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}
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]
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}
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},
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"MyVpcVPCGW488ACE0D": {
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"Type": "AWS::EC2::VPCGatewayAttachment",
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"Properties": {
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"VpcId": {
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"Ref": "MyVpcF9F0CA6F"
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},
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"InternetGatewayId": {
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"Ref": "MyVpcIGW5C4A4F63"
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}
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}
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}
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}
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}

‎packages/@aws-cdk/aws-ec2/test/integ.vpc-gateway.ts

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import * as cdk from '@aws-cdk/core';
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import * as ec2 from '../lib';
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const app = new cdk.App();
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const stack = new cdk.Stack(app, 'aws-cdk-ec2-vpc-gateway');
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const vpc = new ec2.Vpc(stack, 'MyVpc', {
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maxAzs: 1,
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subnetConfiguration: [
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{
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subnetType: ec2.SubnetType.PUBLIC,
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name: 'Public',
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},
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{
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subnetType: ec2.SubnetType.ISOLATED,
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name: 'Isolated',
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},
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],
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});
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(vpc.isolatedSubnets[0] as ec2.Subnet).addRoute('MyRoute', {
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routerId: vpc.internetGatewayId!,
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routerType: ec2.RouterType.GATEWAY,
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destinationCidrBlock: '8.8.8.8/32',
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});
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app.synth();

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