Setup Domain Manager Service

apps/service/README.md

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+# Welcome to your CDK TypeScript project
+
+This is a blank project for CDK development with TypeScript.
+
+The `cdk.json` file tells the CDK Toolkit how to execute your app.
+
+## Useful commands
+
+- `npm run build` compile typescript to js
+- `npm run watch` watch for changes and compile
+- `npm run test` perform the jest unit tests
+- `npx cdk deploy` deploy this stack to your default AWS account/region
+- `npx cdk diff` compare deployed stack with current state
+- `npx cdk synth` emits the synthesized CloudFormation template

apps/service/bin/cdk-init.ts

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

apps/service/cdk.json

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+{
+  "app": "npx ts-node --prefer-ts-exts bin/cdk-init.ts",
+  "watch": {
+    "include": ["**"],
+    "exclude": [
+      "README.md",
+      "cdk*.json",
+      "**/*.d.ts",
+      "**/*.js",
+      "tsconfig.json",
+      "package*.json",
+      "yarn.lock",
+      "node_modules",
+      "test"
+    ]
+  },
+  "context": {
+    "@aws-cdk/aws-lambda:recognizeLayerVersion": true,
+    "@aws-cdk/core:checkSecretUsage": true,
+    "@aws-cdk/core:target-partitions": ["aws", "aws-cn"],
+    "@aws-cdk-containers/ecs-service-extensions:enableDefaultLogDriver": true,
+    "@aws-cdk/aws-ec2:uniqueImdsv2TemplateName": true,
+    "@aws-cdk/aws-ecs:arnFormatIncludesClusterName": true,
+    "@aws-cdk/aws-iam:minimizePolicies": true,
+    "@aws-cdk/core:validateSnapshotRemovalPolicy": true,
+    "@aws-cdk/aws-codepipeline:crossAccountKeyAliasStackSafeResourceName": true,
+    "@aws-cdk/aws-s3:createDefaultLoggingPolicy": true,
+    "@aws-cdk/aws-sns-subscriptions:restrictSqsDescryption": true,
+    "@aws-cdk/aws-apigateway:disableCloudWatchRole": true,
+    "@aws-cdk/core:enablePartitionLiterals": true,
+    "@aws-cdk/aws-events:eventsTargetQueueSameAccount": true,
+    "@aws-cdk/aws-iam:standardizedServicePrincipals": true,
+    "@aws-cdk/aws-ecs:disableExplicitDeploymentControllerForCircuitBreaker": true,
+    "@aws-cdk/aws-iam:importedRoleStackSafeDefaultPolicyName": true,
+    "@aws-cdk/aws-s3:serverAccessLogsUseBucketPolicy": true,
+    "@aws-cdk/aws-route53-patters:useCertificate": true,
+    "@aws-cdk/customresources:installLatestAwsSdkDefault": false,
+    "@aws-cdk/aws-rds:databaseProxyUniqueResourceName": true,
+    "@aws-cdk/aws-codedeploy:removeAlarmsFromDeploymentGroup": true,
+    "@aws-cdk/aws-apigateway:authorizerChangeDeploymentLogicalId": true,
+    "@aws-cdk/aws-ec2:launchTemplateDefaultUserData": true,
+    "@aws-cdk/aws-secretsmanager:useAttachedSecretResourcePolicyForSecretTargetAttachments": true,
+    "@aws-cdk/aws-redshift:columnId": true,
+    "@aws-cdk/aws-stepfunctions-tasks:enableEmrServicePolicyV2": true,
+    "@aws-cdk/aws-ec2:restrictDefaultSecurityGroup": true,
+    "@aws-cdk/aws-apigateway:requestValidatorUniqueId": true,
+    "@aws-cdk/aws-kms:aliasNameRef": true,
+    "@aws-cdk/aws-autoscaling:generateLaunchTemplateInsteadOfLaunchConfig": true,
+    "@aws-cdk/core:includePrefixInUniqueNameGeneration": true,
+    "@aws-cdk/aws-efs:denyAnonymousAccess": true,
+    "@aws-cdk/aws-opensearchservice:enableOpensearchMultiAzWithStandby": true,
+    "@aws-cdk/aws-lambda-nodejs:useLatestRuntimeVersion": true,
+    "@aws-cdk/aws-efs:mountTargetOrderInsensitiveLogicalId": true,
+    "@aws-cdk/aws-rds:auroraClusterChangeScopeOfInstanceParameterGroupWithEachParameters": true,
+    "@aws-cdk/aws-appsync:useArnForSourceApiAssociationIdentifier": true,
+    "@aws-cdk/aws-rds:preventRenderingDeprecatedCredentials": true,
+    "@aws-cdk/aws-codepipeline-actions:useNewDefaultBranchForCodeCommitSource": true,
+    "@aws-cdk/aws-cloudwatch-actions:changeLambdaPermissionLogicalIdForLambdaAction": true,
+    "@aws-cdk/aws-codepipeline:crossAccountKeysDefaultValueToFalse": true,
+    "@aws-cdk/aws-codepipeline:defaultPipelineTypeToV2": true,
+    "@aws-cdk/aws-kms:reduceCrossAccountRegionPolicyScope": true,
+    "@aws-cdk/aws-eks:nodegroupNameAttribute": true,
+    "@aws-cdk/aws-ec2:ebsDefaultGp3Volume": true,
+    "@aws-cdk/aws-ecs:removeDefaultDeploymentAlarm": true,
+    "@aws-cdk/custom-resources:logApiResponseDataPropertyTrueDefault": false
+  }
+}

apps/service/domain-manager-app.ts

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+#!/usr/bin/env node
+import * as cdk from 'aws-cdk-lib';
+import { DomainManagerStack } from './domain-manager-stack';
+
+const app = new cdk.App();
+new DomainManagerStack(app, 'DomainManagerStack', {
+  env: {
+    account: process.env.CDK_DEFAULT_ACCOUNT,
+    region: process.env.CDK_DEFAULT_REGION,
+  },
+});

apps/service/domain-manager-stack.ts

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+import * as cdk from 'aws-cdk-lib';
+import { Construct } from 'constructs';
+import * as route53 from 'aws-cdk-lib/aws-route53';
+import * as lambda from 'aws-cdk-lib/aws-lambda';
+import * as apigateway from 'aws-cdk-lib/aws-apigateway';
+
+export class DomainManagerStack extends cdk.Stack {
+  constructor(scope: Construct, id: string, props?: cdk.StackProps) {
+    super(scope, id, props);
+
+    // Define the Route 53 hosted zone for llavero.cloud
+    const hostedZone = new route53.HostedZone(this, 'LlaveroCloudHostedZone', {
+      zoneName: 'llavero.cloud',
+    });
+
+    // Define the Lambda function to handle subdomain requests
+    const subdomainHandler = new lambda.Function(this, 'SubdomainHandler', {
+      runtime: lambda.Runtime.NODEJS_20_X,
+      code: lambda.Code.fromAsset('lambda'),
+      handler: 'subdomain.handler',
+      environment: {
+        HOSTED_ZONE_ID: hostedZone.hostedZoneId,
+        DOMAIN_NAME: 'llavero.cloud',
+      },
+    });
+
+    // Define the API Gateway to expose the Lambda function
+    const api = new apigateway.RestApi(this, 'SubdomainApi', {
+      restApiName: 'Subdomain Service',
+      description: 'This service handles subdomain requests.',
+    });
+
+    const getSubdomainIntegration = new apigateway.LambdaIntegration(subdomainHandler, {
+      requestTemplates: { 'application/json': '{ "statusCode": "200" }' },
+    });
+
+    api.root.addMethod('POST', getSubdomainIntegration); // POST /subdomain
+  }
+}

apps/service/jest.config.js

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+module.exports = {
+  testEnvironment: 'node',
+  roots: ['<rootDir>/test'],
+  testMatch: ['**/*.test.ts'],
+  transform: {
+    '^.+\\.tsx?$': 'ts-jest',
+  },
+};

apps/service/lambda/subdomain.js

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+import AWS from 'aws-sdk';
+const route53 = new AWS.Route53();
+
+exports.handler = async (event, context, callback) => {
+  const requestBody = JSON.parse(event.body);
+  const subdomain = requestBody.subdomain;
+  const hostedZoneId = process.env.HOSTED_ZONE_ID;
+  const domainName = process.env.DOMAIN_NAME;
+
+  const params = {
+    ChangeBatch: {
+      Changes: [
+        {
+          Action: 'UPSERT',
+          ResourceRecordSet: {
+            Name: `${subdomain}.${domainName}`,
+            Type: 'A',
+            TTL: 300,
+            ResourceRecords: [
+              {
+                Value: '192.0.2.1', // Example IP address, replace with actual value
+              },
+            ],
+          },
+        },
+      ],
+    },
+    HostedZoneId: hostedZoneId,
+  };
+
+  try {
+    const data = await route53.changeResourceRecordSets(params).promise();
+    callback(null, {
+      statusCode: 200,
+      body: JSON.stringify({
+        message: `Subdomain ${subdomain}.${domainName} has been created successfully.`,
+        changeInfo: data.ChangeInfo,
+      }),
+    });
+  } catch (error) {
+    callback(null, {
+      statusCode: 500,
+      body: JSON.stringify({
+        message: `Failed to create subdomain ${subdomain}.${domainName}.`,
+        error: error.message,
+      }),
+    });
+  }
+};

apps/service/lib/cdk-init-stack.ts

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+import * as cdk from 'aws-cdk-lib';
+import { Construct } from 'constructs';
+// import * as sqs from 'aws-cdk-lib/aws-sqs';
+
+export class CdkInitStack extends cdk.Stack {
+  constructor(scope: Construct, id: string, props?: cdk.StackProps) {
+    super(scope, id, props);
+
+    // The code that defines your stack goes here
+
+    // example resource
+    // const queue = new sqs.Queue(this, 'CdkInitQueue', {
+    //   visibilityTimeout: cdk.Duration.seconds(300)
+    // });
+  }
+}

apps/service/package.json

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+{
+  "name": "cdk-init",
+  "version": "0.1.0",
+  "bin": {
+    "cdk-init": "bin/cdk-init.js"
+  },
+  "scripts": {
+    "build": "tsc",
+    "watch": "tsc -w",
+    "test": "jest",
+    "cdk": "cdk"
+  },
+  "devDependencies": {
+    "@types/jest": "^29.5.12",
+    "@types/node": "20.12.7",
+    "jest": "^29.7.0",
+    "ts-jest": "^29.1.2",
+    "ts-node": "^10.9.2",
+    "typescript": "~5.4.5"
+  },
+  "dependencies": {
+    "aws-cdk-lib": "2.145.0",
+    "constructs": "^10.0.0",
+    "source-map-support": "^0.5.21"
+  }
+}

apps/service/test/cdk-init.test.ts

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+// import * as cdk from 'aws-cdk-lib';
+// import { Template } from 'aws-cdk-lib/assertions';
+// import * as CdkInit from '../lib/cdk-init-stack';
+
+// example test. To run these tests, uncomment this file along with the
+// example resource in lib/cdk-init-stack.ts
+test('SQS Queue Created', () => {
+  //   const app = new cdk.App();
+  //     // WHEN
+  //   const stack = new CdkInit.CdkInitStack(app, 'MyTestStack');
+  //     // THEN
+  //   const template = Template.fromStack(stack);
+  //   template.hasResourceProperties('AWS::SQS::Queue', {
+  //     VisibilityTimeout: 300
+  //   });
+});

apps/service/tsconfig.json

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+{
+  "compilerOptions": {
+    "target": "ES2020",
+    "module": "commonjs",
+    "lib": ["es2020", "dom"],
+    "declaration": true,
+    "strict": true,
+    "noImplicitAny": true,
+    "strictNullChecks": true,
+    "noImplicitThis": true,
+    "alwaysStrict": true,
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "noImplicitReturns": true,
+    "noFallthroughCasesInSwitch": false,
+    "inlineSourceMap": true,
+    "inlineSources": true,
+    "experimentalDecorators": true,
+    "strictPropertyInitialization": false,
+    "typeRoots": ["./node_modules/@types"]
+  },
+  "exclude": ["node_modules", "cdk.out"]
+}

package.json

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   "private": true,
   "workspaces": [
     "apps/*",
-    "packages/*"
+    "packages/*",
+    "apps/service"
   ],
   "scripts": {
     "build": "yarn workspace web build",