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Add CDK stack example (#807)
Signed-off-by: David Calavera <david.calavera@gmail.com>
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‎examples/http-axum/cdk/.gitignore

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*.js
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!jest.config.js
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*.d.ts
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node_modules
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# CDK asset staging directory
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.cdk.staging
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cdk.out

‎examples/http-axum/cdk/.npmignore

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*.ts
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!*.d.ts
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# CDK asset staging directory
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.cdk.staging
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cdk.out

‎examples/http-axum/cdk/README.md

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# Axum HTTP CDK Stack
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This is a basic stack that shows how to deploy the Axum HTTP example with the AWS CDK.
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## Resources
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This stack deploys the Axum HTTP example in AWS Lambda.
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It also creates an API Gateway Rest API to expose the Axum app to the internet. When the deploy is completed, the stack will print the endpoint URL for the gateway. It will look something like this:
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```
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CdkStack.axumEndpointC1B330D3 = https://sr0e4dqg1b.execute-api.us-east-1.amazonaws.com/prod/
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```
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If you set the environment variable `ENABLE_LAMBDA_RUST_AXUM_FUNCTION_URL=true` in your terminal before deploying the stack, it will also create a Lambda Function URL without any authentication mode. When the deploy completes, the stack will print the endpoint URL for this function. It will look something like this:
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```
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CdkStack.AxumFunctionUrl = https://7st53uq3rpk4jweki2ek765gty0icvuf.lambda-url.us-east-1.on.aws/
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```
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## Dependencies
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1. Install the AWS CDK with NPM: `npm install -g cdk`.
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2. Install [cargo-lambda](https://github.com/cargo-lambda/cargo-lambda#installation)
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## Deployment
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Run `npm run build` to complile the stack.
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Then, run `npm run cdk deploy` to deploy the stack on your AWS account.
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## Security
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This example doesn't provide any security configuration. It's up to you to configure the stack with the security settings that are more convenient to you. We're not responsible for resources open to the internet on your AWS account.
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## Cleanup
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Deploying this stack on your account might incur on AWS costs due to the resources that we're deploying. Don't forget to delete those resources from your account if you're not using them any longer.
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Run `npm run cdk destroy` to delete all resources in this stack from your AWS account.

‎examples/http-axum/cdk/bin/cdk.ts

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#!/usr/bin/env node
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import 'source-map-support/register';
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import * as cdk from 'aws-cdk-lib';
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import { CdkStack } from '../lib/cdk-stack';
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const app = new cdk.App();
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new CdkStack(app, 'CdkStack', {
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/* If you don't specify 'env', this stack will be environment-agnostic.
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* Account/Region-dependent features and context lookups will not work,
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* but a single synthesized template can be deployed anywhere. */
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/* Uncomment the next line to specialize this stack for the AWS Account
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* and Region that are implied by the current CLI configuration. */
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// env: { account: process.env.CDK_DEFAULT_ACCOUNT, region: process.env.CDK_DEFAULT_REGION },
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/* Uncomment the next line if you know exactly what Account and Region you
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* want to deploy the stack to. */
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// env: { account: '123456789012', region: 'us-east-1' },
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/* For more information, see https://docs.aws.amazon.com/cdk/latest/guide/environments.html */
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});

‎examples/http-axum/cdk/cdk.json

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{
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"app": "npx ts-node --prefer-ts-exts bin/cdk.ts",
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"watch": {
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"include": [
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"**"
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],
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"exclude": [
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"README.md",
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"cdk*.json",
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"**/*.d.ts",
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"**/*.js",
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"tsconfig.json",
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"package*.json",
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"yarn.lock",
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"node_modules",
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"test"
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]
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},
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"context": {
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"@aws-cdk/aws-lambda:recognizeLayerVersion": true,
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"@aws-cdk/core:checkSecretUsage": true,
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"@aws-cdk/core:target-partitions": [
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"aws",
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"aws-cn"
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],
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"@aws-cdk-containers/ecs-service-extensions:enableDefaultLogDriver": true,
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"@aws-cdk/aws-ec2:uniqueImdsv2TemplateName": true,
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"@aws-cdk/aws-ecs:arnFormatIncludesClusterName": true,
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"@aws-cdk/aws-iam:minimizePolicies": true,
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"@aws-cdk/core:validateSnapshotRemovalPolicy": true,
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"@aws-cdk/aws-codepipeline:crossAccountKeyAliasStackSafeResourceName": true,
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"@aws-cdk/aws-s3:createDefaultLoggingPolicy": true,
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"@aws-cdk/aws-sns-subscriptions:restrictSqsDescryption": true,
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"@aws-cdk/aws-apigateway:disableCloudWatchRole": true,
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"@aws-cdk/core:enablePartitionLiterals": true,
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"@aws-cdk/aws-events:eventsTargetQueueSameAccount": true,
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"@aws-cdk/aws-iam:standardizedServicePrincipals": true,
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"@aws-cdk/aws-ecs:disableExplicitDeploymentControllerForCircuitBreaker": true,
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"@aws-cdk/aws-iam:importedRoleStackSafeDefaultPolicyName": true,
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"@aws-cdk/aws-s3:serverAccessLogsUseBucketPolicy": true,
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"@aws-cdk/aws-route53-patters:useCertificate": true,
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"@aws-cdk/customresources:installLatestAwsSdkDefault": false,
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"@aws-cdk/aws-rds:databaseProxyUniqueResourceName": true,
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"@aws-cdk/aws-codedeploy:removeAlarmsFromDeploymentGroup": true,
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"@aws-cdk/aws-apigateway:authorizerChangeDeploymentLogicalId": true,
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"@aws-cdk/aws-ec2:launchTemplateDefaultUserData": true,
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"@aws-cdk/aws-secretsmanager:useAttachedSecretResourcePolicyForSecretTargetAttachments": true,
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"@aws-cdk/aws-redshift:columnId": true,
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"@aws-cdk/aws-stepfunctions-tasks:enableEmrServicePolicyV2": true,
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"@aws-cdk/aws-ec2:restrictDefaultSecurityGroup": true,
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"@aws-cdk/aws-apigateway:requestValidatorUniqueId": true,
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"@aws-cdk/aws-kms:aliasNameRef": true,
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"@aws-cdk/aws-autoscaling:generateLaunchTemplateInsteadOfLaunchConfig": true,
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"@aws-cdk/core:includePrefixInUniqueNameGeneration": true,
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"@aws-cdk/aws-efs:denyAnonymousAccess": true,
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"@aws-cdk/aws-opensearchservice:enableOpensearchMultiAzWithStandby": true,
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"@aws-cdk/aws-lambda-nodejs:useLatestRuntimeVersion": true,
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"@aws-cdk/aws-efs:mountTargetOrderInsensitiveLogicalId": true,
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"@aws-cdk/aws-rds:auroraClusterChangeScopeOfInstanceParameterGroupWithEachParameters": true,
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"@aws-cdk/aws-appsync:useArnForSourceApiAssociationIdentifier": true,
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"@aws-cdk/aws-rds:preventRenderingDeprecatedCredentials": true,
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"@aws-cdk/aws-codepipeline-actions:useNewDefaultBranchForCodeCommitSource": true,
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"@aws-cdk/aws-cloudwatch-actions:changeLambdaPermissionLogicalIdForLambdaAction": true
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}
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}

‎examples/http-axum/cdk/lib/cdk-stack.ts

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import { join } from 'path';
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import { CfnOutput, Stack, StackProps } from 'aws-cdk-lib';
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import { Construct } from 'constructs';
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import { RustFunction } from 'cargo-lambda-cdk';
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import { LambdaRestApi } from 'aws-cdk-lib/aws-apigateway'
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import { FunctionUrlAuthType } from "aws-cdk-lib/aws-lambda";
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export class CdkStack extends Stack {
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constructor(scope: Construct, id: string, props?: StackProps) {
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super(scope, id, props);
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const handler = new RustFunction(this, 'Axum API', {
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// Path to the http-axum root directory.
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manifestPath: join(__dirname, '..', '..'),
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});
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if (process.env.ENABLE_LAMBDA_RUST_AXUM_FUNCTION_URL) {
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const lambdaUrl = handler.addFunctionUrl({
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authType: FunctionUrlAuthType.NONE,
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});
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new CfnOutput(this, 'Axum FunctionUrl ', { value: lambdaUrl.url });
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}
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new LambdaRestApi(this, 'axum', { handler });
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}
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}

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