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integ.objectLambda.ts
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integ.objectLambda.ts
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import cdk = require("aws-cdk-lib");
import { Construct } from 'constructs';
import s3 = require('aws-cdk-lib/aws-s3');
import iam = require('aws-cdk-lib/aws-iam');
import lambda = require("aws-cdk-lib/aws-lambda");
import s3object = require("aws-cdk-lib/aws-s3objectlambda");
export class S3ObjectLambdaUppercaseStack extends cdk.Stack {
constructor(scope: Construct, id: string, props?: cdk.StageProps) {
super(scope, id, props);
// S3 Bucket: object-lambda-${region}-${accountId}
const bucket = new s3.Bucket(this, 'ObjectLambdaBucket', {
bucketName: 'object-lambda-' + this.region + '-' + this.account,
encryption: s3.BucketEncryption.S3_MANAGED,
versioned: true
});
// Role: AWSLambdaObjectTransformUppercase
const role = new iam.Role(this, 'AWSLambdaObjectTransformUppercaseRole', {
roleName: 'AWSLambdaObjectTransformUppercase',
assumedBy: new iam.ServicePrincipal('lambda.amazonaws.com'),
managedPolicies: [
iam.ManagedPolicy.fromAwsManagedPolicyName('service-role/AWSLambdaBasicExecutionRole')
]
})
role.addToPolicy(
new iam.PolicyStatement({
effect: iam.Effect.ALLOW,
actions: ['s3-object-lambda:WriteGetObjectResponse'],
resources: ["arn:aws:s3-object-lambda:" + this.region + ":" + this.account + ":accesspoint/*"],
})
);
// Lambda for Object transform uppercase
const handler = new lambda.Function(this, "ObjectLambdaTransformUppercase", {
code: new lambda.AssetCode("./samples/lambda/s3ObjectLambda/transformUppercase"),
handler: "index.handler",
runtime: lambda.Runtime.PYTHON_3_7,
timeout: cdk.Duration.seconds(10),
role
});
// S3 Access point
const accesspoint = new s3.CfnAccessPoint(this, "AccessPoint", {
bucket: bucket.bucketName,
name: 'object-lambda-transform-uppercase-accesspoint',
})
// format supporting access point for object-lambda access point
const supportingAccessPoint = this.formatArn({
service: 's3',
resource: `accesspoint/${accesspoint.name}`
});
// S3 Object lambda access point
new s3object.CfnAccessPoint(this, 'ObjectLambdaAccessPoint', {
name: 'object-lambda-transform-uppercase-accesspoint',
objectLambdaConfiguration: {
allowedFeatures: [],
cloudWatchMetricsEnabled: false,
supportingAccessPoint: supportingAccessPoint,
transformationConfigurations: [{
actions:["GetObject"],
contentTransformation: {AwsLambda: {FunctionArn: handler.functionArn }}
}]
}
});
}
}