Package Exports

@github-actions-cdk/aws-cdk
@github-actions-cdk/aws-cdk/lib/index.js

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Readme

@github-actions-cdk/aws-cdk

@github-actions-cdk/aws-cdk is a TypeScript library for building GitHub Actions pipelines specifically for AWS CDK applications. This library allows developers to define, structure, and automate CI/CD workflows tailored to CDK projects, making it easy to deploy infrastructure through GitHub Actions in a type-safe and modular way.

Key Features

Type-Safe Workflow Definition: Use TypeScript to define GitHub Actions workflows with strict typing, ensuring correctness and reducing errors.
Purpose-Built for AWS CDK: Integrates directly with AWS CDK, making it simple to add deployment stages, manage dependencies, and automate CDK operations.
Modular Components: Quickly set up workflows by creating reusable jobs, triggers, and custom deployment stages.

Installation

To get started with @github-actions-cdk/aws-cdk, install the package using npm or yarn:

npm install @github-actions-cdk/aws-cdk

yarn add @github-actions-cdk/aws-cdk

Getting Started

Basic Usage

Here’s an example of how to create a GitHub Actions workflow for an AWS CDK app using @github-actions-cdk/aws-cdk in TypeScript:

// main.ts
import { AwsCredentials, GitHubActionsOpenIdConnectProvider, GitHubActionsPipeline, GitHubActionsRole, StageJob, Synth } from '@github-actions-cdk/aws-cdk';
import { RunStep } from 'github-actions-cdk';
import { App, Stack, StackProps } from 'aws-cdk-lib';
import { Construct } from 'constructs';

import { MyStage } from './my-stage';

class GithubActionsStack extends Stack {
    constructor(scope: Construct, id: string, props?: StackProps) {
        super(scope, id, props);

        const provider = GitHubActionsOpenIdConnectProvider.fromGitHubActionsOpenIdConnectProvider(this);

        new GitHubActionsRole(this, 'GitHubActionsRole', {
            provider,
        });

        const pipeline = new GitHubActionsPipeline(this, 'Pipeline', {
            workflowOutdir: `${__dirname}/.github/workflows`,
            preBuild: { steps: (job) => {
                new RunStep(job, 'pre', {
                    run: 'echo "Hello, world!"',
                });
            }},
            synth: new Synth({
                commands: ["npm install", "npm run build"],
            }),
            awsCredentials: AwsCredentials.fromOpenIdConnect({
                gitHubActionsRoleArn: "arn:aws:iam::<account-id>:role/GitHubActionsRole",
            }),
        });

        // a wave deploys all stages concurrently
        const prod = pipeline.addWave('Prod');

        const ACCOUNT = '123456789012';
        prod.addStage(new MyStage(app, 'US', { env: { account: ACCOUNT, region: 'us-east-1' } }), {
            preJobs: [new StageJob("hello-world", {
                name: 'Hello World',
                steps: (job) => {
                    new RunStep(job, 'echo', {
                        run: 'echo "Hello world!"',
                    });
                } 
            })],
        });
        prod.addStage(new MyStage(app, 'EU', { env: { account: ACCOUNT, region: 'eu-west-2' } }));
    }
}

const app = new App();
new GithubActionsStack(app, 'GithubActionsStack');

// my-stage.ts
import * as path from 'path';
import * as lambda from 'aws-cdk-lib/aws-lambda';
import * as s3 from 'aws-cdk-lib/aws-s3';
import { App, RemovalPolicy, Stack, Stage, StageProps } from 'aws-cdk-lib';

const assets = path.join(__dirname, 'assets');

export class MyStage extends Stage {
  constructor(scope: App, id: string, props: StageProps = {}) {
    super(scope, id, props);

    const fnStack = new Stack(this, 'FunctionStack');
    const bucketStack = new Stack(this, 'BucketStack');

    const bucket = new s3.Bucket(bucketStack, 'Bucket', {
      autoDeleteObjects: true,
      removalPolicy: RemovalPolicy.DESTROY,
    });

    const fn = new lambda.Function(fnStack, 'Function', {
      code: lambda.Code.fromAsset(path.join(__dirname, 'assets', 'files')),
      handler: 'lambda.handler',
      runtime: lambda.Runtime.PYTHON_3_12,
      environment: {
        BUCKET_NAME: bucket.bucketName, // <-- cross stack reference
      },
    });

    bucket.grantRead(fn);
  }
}

Contributing

Contributions are welcome! Please read the CONTRIBUTING.md for details on how to get involved.

License

This project is licensed under the MIT License. See the LICENSE file for more information.