/
index.ts
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/
index.ts
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import 'source-map-support/register';
import * as blueprints from '@aws-quickstart/eks-blueprints';
import { LookupHostedZoneProvider, GlobalResources, utils } from '@aws-quickstart/eks-blueprints';
import { KubecostAddOn } from '@kubecost/kubecost-eks-blueprints-addon';
import * as cdk from 'aws-cdk-lib';
import { Construct } from 'constructs';
import { prevalidateSecrets } from '../common/construct-utils';
import { SECRET_ARGO_ADMIN_PWD } from '../multi-region-construct';
import * as cognito from 'aws-cdk-lib/aws-cognito';
import * as lambda from 'aws-cdk-lib/aws-lambda';
import * as iam from 'aws-cdk-lib/aws-iam';
import { ICertificate } from 'aws-cdk-lib/aws-certificatemanager';
const gitUrl = 'https://github.com/aws-samples/eks-blueprints-workloads.git';
//Class Cognito Stack
/**
* Stack creates the cognito user pool, app client, configure the client and app client domain.
* Amazon Cognito hosted UI provides you an OAuth2.0 compliant authorization server that provides default implementation of end user flows such as registration, authentication, and so on.
*/
class CognitoIdpStack extends cdk.Stack {
public readonly userPoolOut: cognito.UserPool;
public readonly userPoolClientOut: cognito.UserPoolClient;
public readonly userPoolDomainOut: cognito.UserPoolDomain;
constructor(scope: Construct, id: string, subDomain: string, props?: cdk.StackProps) {
super(scope, id, props);
const lambdaExecutionRole = new iam.Role(this, 'Lambda Execution Role', {
assumedBy: new iam.ServicePrincipal('lambda.amazonaws.com'),
});
lambdaExecutionRole.addManagedPolicy(iam.ManagedPolicy.fromAwsManagedPolicyName("service-role/AWSLambdaBasicExecutionRole"));
lambdaExecutionRole.addManagedPolicy(iam.ManagedPolicy.fromAwsManagedPolicyName("AmazonSSMReadOnlyAccess"));
const authChallengeFn = new lambda.Function(this, 'authChallengeFn', {
runtime: lambda.Runtime.PYTHON_3_12,
code: lambda.Code.fromAsset('./lib/secure-ingress-auth-cognito/lambda'),
handler: 'lambda_function.lambda_handler',
role: lambdaExecutionRole,
});
// Cognito User Pool
const userPool = new cognito.UserPool(this, 'CognitoIDPUserPool', {
userPoolName: 'CognitoIDPUserPool',
selfSignUpEnabled: true,
signInAliases: {
email: true,
username: true
},
standardAttributes: {
email: {
mutable: true,
required: true
},
givenName: {
mutable: true,
required: true
},
familyName: {
mutable: true,
required: true
}
},
lambdaTriggers: {
preSignUp: authChallengeFn,
preAuthentication: authChallengeFn,
},
});
// Output the User Pool ID
this.userPoolOut = userPool;
new cdk.CfnOutput(this, 'CognitoIDPUserPoolOut', {
value: userPool.userPoolId,
exportName: 'CognitoIDPUserPoolId'
});
new cdk.CfnOutput(this, 'CognitoIDPUserPoolArnOut', {
value: userPool.userPoolArn,
exportName: 'CognitoIDPUserPoolArn'
});
// We will ask the IDP to redirect back to our domain's index page
const redirectUri = `https://${subDomain}/oauth2/idpresponse`;
// Configure the user pool client application
const userPoolClient = new cognito.UserPoolClient(this, 'CognitoAppClient', {
userPool,
authFlows: {
userPassword: true
},
oAuth: {
flows: {
authorizationCodeGrant: true
},
scopes: [
cognito.OAuthScope.OPENID
],
callbackUrls: [redirectUri]
// TODO - What about logoutUrls?
},
generateSecret: true,
userPoolClientName: 'Web',
supportedIdentityProviders: [cognito.UserPoolClientIdentityProvider.COGNITO]
});
// Output the User Pool App Client ID
this.userPoolClientOut = userPoolClient;
new cdk.CfnOutput(this, 'CognitoIDPUserPoolClientOut', {
value: userPoolClient.userPoolClientId,
exportName: 'CognitoIDPUserPoolClientId'
});
// Add the domain to the user pool
const randomText = (Math.random() + 1).toString(36).substring(7);
const userPoolDomain = userPool.addDomain('CognitoDomain', {
cognitoDomain: {
domainPrefix: `my-cdk-blueprint-${randomText}`,
},
});
// Output the User Pool App Client ID
this.userPoolDomainOut = userPoolDomain;
new cdk.CfnOutput(this, 'CognitoIDPUserPoolDomainOut', {
value: userPoolDomain.domainName,
exportName: 'CognitoIDPUserPoolDomain'
});
}
}
/**
* See docs/patterns/secure-ingress-cognito.md for mode details on the setup.
*/
export class SecureIngressCognito extends cdk.Stack{
async buildAsync(scope: Construct, id: string) {
await prevalidateSecrets(SecureIngressCognito.name, undefined, SECRET_ARGO_ADMIN_PWD);
const subdomain: string = utils.valueFromContext(scope, "dev.subzone.name", "dev.mycompany.a2z.com");
const parentDomain = utils.valueFromContext(scope, "parent.hostedzone.name", "mycompany.a2z.com");
const certificate: ICertificate = blueprints.getNamedResource(GlobalResources.Certificate);
const cognitoIdpStackOut = new CognitoIdpStack (scope,'cognito-idp-stack', subdomain,
{
env: {
account: process.env.CDK_DEFAULT_ACCOUNT,
region: process.env.CDK_DEFAULT_REGION,
},
}
);
blueprints.HelmAddOn.validateHelmVersions = false;
await blueprints.EksBlueprint.builder()
.account(process.env.CDK_DEFAULT_ACCOUNT)
.region(process.env.CDK_DEFAULT_REGION)
.version('auto')
.resourceProvider(GlobalResources.HostedZone, new LookupHostedZoneProvider(parentDomain))
.resourceProvider(GlobalResources.Certificate, new blueprints.CreateCertificateProvider('secure-ingress-cert', `${subdomain}`, GlobalResources.HostedZone))
.addOns(
new blueprints.AwsLoadBalancerControllerAddOn,
new blueprints.VpcCniAddOn(),
new blueprints.CoreDnsAddOn(),
new KubecostAddOn(),
new blueprints.addons.EbsCsiDriverAddOn(),
new blueprints.ExternalDnsAddOn({
hostedZoneResources: [GlobalResources.HostedZone] // you can add more if you register resource providers
}),
new blueprints.SecretsStoreAddOn({ rotationPollInterval: "120s" }),
new blueprints.ArgoCDAddOn({
bootstrapRepo: {
repoUrl: gitUrl,
targetRevision: "main",
path: 'secure-ingress-cognito/envs/dev'
},
bootstrapValues: {
spec: {
ingress: {
host: subdomain,
cognitoUserPoolArn: cognitoIdpStackOut.userPoolOut.userPoolArn,
cognitoUserPoolAppId: cognitoIdpStackOut.userPoolClientOut.userPoolClientId,
cognitoDomainName: cognitoIdpStackOut.userPoolDomainOut.domainName,
certificateArn: certificate.certificateArn,
region: process.env.CDK_DEFAULT_REGION,
}
},
},
adminPasswordSecretName: SECRET_ARGO_ADMIN_PWD,
}),
)
.buildAsync(scope, `${id}-blueprint`);
blueprints.HelmAddOn.validateHelmVersions = false;
}
}