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A fluent style interface for AWS-CDK. This is a personal project, not affiliated with Amazon or AWS, and should not be used in production. YMMV

Installation

via NPM

npm install --save fluent.aws-cdk

or via yarn

yarn install --save fluent.aws-cdk

Example usage

App Definition (index.ts)

import cdk = require('@aws-cdk/cdk');
import fluentCDK = require('fluent.aws-cdk');
import { VPCs, VPCProps } from '../<FolderContainingYourFluentConstructs>/vpc';

const app = new cdk.App();
new fluentCDK.MasterBuilder(app, 'lab')
    .withCiCd('infraCICD', 'cdk-lab')  // Defines a CI/CD pipeline
    .addStack('vpc', s => {
        s.addConstruct<VPCs, VPCProps>(VPCs, 'management', {
            cidr: '10.121.0.0/16',
            includePublicSubnet: true,
            includePrivate: true,
            includeIsolated: false
        });
    });
app.run();

Construct Definition

import ec2 = require('@aws-cdk/aws-ec2');
import cdk = require('@aws-cdk/cdk');
import { FluentConstruct, FluentStackProps, ConstructStore, IFluentStackProps, IHash } from 'fluent.aws-cdk';
import { SubnetType, VpcPlacementStrategy } from '@aws-cdk/aws-ec2';

export class VPCProps extends FluentStackProps {
    cidr: string;
    includePublicSubnet: boolean = true;
    includePrivate: boolean = true;
    includeIsolated: boolean = true;
}
export class VPCs extends FluentConstruct {
    constructor(parent: cdk.Stack, name: string, props: VPCProps, constructStore: ConstructStore) {
        super(parent, name, props as IFluentStackProps, constructStore);

        let subnetConfiguration: ec2.SubnetConfiguration[] = [];
        if (
            (props.includePublicSubnet) ||
            (props.includePrivate) ||
            (props.includeIsolated)) {
            if (props.includePublicSubnet) {
                subnetConfiguration.push({
                    cidrMask: 24,
                    name: 'Public',
                    subnetType: SubnetType.Public
                })
            }
            if (props.includePrivate) {
                subnetConfiguration.push({
                    cidrMask: 24,
                    name: 'Private',
                    subnetType: SubnetType.Private
                })
            }
            if (props.includeIsolated) {
                subnetConfiguration.push({
                    cidrMask: 24,
                    name: 'Database',
                    subnetType: SubnetType.Isolated
                })
            }
        }

        const newVpc: ec2.VpcNetwork = new ec2.VpcNetwork(this, 'vpc', {
            natGateways: 1,
            natGatewayPlacement: {
                subnetsToUse: SubnetType.Public
            },
            cidr: props.cidr,
            enableDnsHostnames: true,
            enableDnsSupport: true,
            subnetConfiguration: subnetConfiguration
        });

        this.ConstructStore.SharedResources[name] = newVpc.export();
    }
}

Useful commands

• npm run build compile typescript to js
• npm run watch watch for changes and compile

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