AWS CDK コンストラクト

new s3.Bucket(this, 'MyEncryptedBucket', {
  encryption: s3.BucketEncryption.KMS,
  websiteIndexDocument: 'index.html'
});

new s3.Bucket(this, 'MyEncryptedBucket', {
  encryption: s3.BucketEncryption.KMS,
  websiteIndexDocument: 'index.html'
});

s3.Bucket(self, "MyEncryptedBucket", encryption=s3.BucketEncryption.KMS,
    website_index_document="index.html")

Bucket.Builder.create(this, "MyEncryptedBucket")
        .encryption(BucketEncryption.KMS_MANAGED)
        .websiteIndexDocument("index.html").build();

new Bucket(this, "MyEncryptedBucket", new BucketProps
{
    Encryption = BucketEncryption.KMS_MANAGED,
    WebsiteIndexDocument = "index.html"
});

	awss3.NewBucket(stack, jsii.String("MyEncryptedBucket"), &awss3.BucketProps{
		Encryption: awss3.BucketEncryption_KMS,
		WebsiteIndexDocument: jsii.String("index.html"),
	})

const rawData = new s3.Bucket(this, 'raw-data');
const dataScience = new iam.Group(this, 'data-science');
rawData.grantRead(dataScience);

const rawData = new s3.Bucket(this, 'raw-data');
const dataScience = new iam.Group(this, 'data-science');
rawData.grantRead(dataScience);

raw_data = s3.Bucket(self, 'raw-data')
data_science = iam.Group(self, 'data-science')
raw_data.grant_read(data_science)

Bucket rawData = new Bucket(this, "raw-data");
Group dataScience = new Group(this, "data-science");
rawData.grantRead(dataScience);

var rawData = new Bucket(this, "raw-data");
var dataScience = new Group(this, "data-science");
rawData.GrantRead(dataScience);

	rawData := awss3.NewBucket(stack, jsii.String("raw-data"), nil)
	dataScience := awsiam.NewGroup(stack, jsii.String("data-science"), nil)
	rawData.GrantRead(dataScience, nil)

const jobsQueue = new sqs.Queue(this, 'jobs');
const createJobLambda = new lambda.Function(this, 'create-job', {
  runtime: lambda.Runtime.NODEJS_18_X,
  handler: 'index.handler',
  code: lambda.Code.fromAsset('./create-job-lambda-code'),
  environment: {
    QUEUE_URL: jobsQueue.queueUrl
  }
});

const jobsQueue = new sqs.Queue(this, 'jobs');
const createJobLambda = new lambda.Function(this, 'create-job', {
  runtime: lambda.Runtime.NODEJS_18_X,
  handler: 'index.handler',
  code: lambda.Code.fromAsset('./create-job-lambda-code'),
  environment: {
    QUEUE_URL: jobsQueue.queueUrl
  }
});

jobs_queue = sqs.Queue(self, "jobs")
create_job_lambda = lambda_.Function(self, "create-job",
    runtime=lambda_.Runtime.NODEJS_18_X,
    handler="index.handler",
    code=lambda_.Code.from_asset("./create-job-lambda-code"),
    environment=dict(
        QUEUE_URL=jobs_queue.queue_url
    )
)

final Queue jobsQueue = new Queue(this, "jobs");
Function createJobLambda = Function.Builder.create(this, "create-job")
                .handler("index.handler")
                .code(Code.fromAsset("./create-job-lambda-code"))
                .environment(java.util.Map.of(   // Map.of is Java 9 or later
                    "QUEUE_URL", jobsQueue.getQueueUrl())
                .build();

var jobsQueue = new Queue(this, "jobs");
var createJobLambda = new Function(this, "create-job", new FunctionProps
{
    Runtime = Runtime.NODEJS_18_X,
    Handler = "index.handler",
    Code = Code.FromAsset(@".\create-job-lambda-code"),
    Environment = new Dictionary<string, string>
    {
        ["QUEUE_URL"] = jobsQueue.QueueUrl
    }
});

	createJobLambda := awslambda.NewFunction(stack, jsii.String("create-job"), &awslambda.FunctionProps{
		Runtime: awslambda.Runtime_NODEJS_18_X(),
		Handler: jsii.String("index.handler"),
		Code:    awslambda.Code_FromAsset(jsii.String(".\\create-job-lambda-code"), nil),
		Environment: &map[string]*string{
			"QUEUE_URL": jsii.String(*jobsQueue.QueueUrl()),
		},
	})

import { App, Stack, StackProps } from 'aws-cdk-lib';
import * as s3 from 'aws-cdk-lib/aws-s3';

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

    new s3.Bucket(this, 'MyFirstBucket', {
      versioned: true
    });
  }
}

const app = new App();
new HelloCdkStack(app, "HelloCdkStack");

const { App , Stack } = require('aws-cdk-lib');
const s3 = require('aws-cdk-lib/aws-s3');

class HelloCdkStack extends Stack {
  constructor(scope, id, props) {
    super(scope, id, props);

    new s3.Bucket(this, 'MyFirstBucket', {
      versioned: true
    });
  }
}

const app = new App();
new HelloCdkStack(app, "HelloCdkStack");

from aws_cdk import App, Stack
import aws_cdk.aws_s3 as s3
from constructs import Construct

class HelloCdkStack(Stack):

    def __init__(self, scope: Construct, id: str, **kwargs) -> None:
        super().__init__(scope, id, **kwargs)

        s3.Bucket(self, "MyFirstBucket", versioned=True)

app = App()
HelloCdkStack(app, "HelloCdkStack")

HelloCdkStack.java ファイルで定義されるスタック:

import software.constructs.Construct;
import software.amazon.awscdk.Stack;
import software.amazon.awscdk.StackProps;
import software.amazon.awscdk.services.s3.*;

public class HelloCdkStack extends Stack {
    public HelloCdkStack(final Construct scope, final String id) {
        this(scope, id, null);
    }

    public HelloCdkStack(final Construct scope, final String id, final StackProps props) {
        super(scope, id, props);

        Bucket.Builder.create(this, "MyFirstBucket")
            .versioned(true).build();
    }
}

HelloCdkApp.java ファイルで定義されるアプリケーション:

import software.amazon.awscdk.App;
import software.amazon.awscdk.StackProps;

public class HelloCdkApp {
    public static void main(final String[] args) {
        App app = new App();

        new HelloCdkStack(app, "HelloCdkStack", StackProps.builder()
                .build());

        app.synth();
    }
}

using Amazon.CDK;
using Amazon.CDK.AWS.S3;

namespace HelloCdkApp
{
    internal static class Program
    {
        public static void Main(string[] args)
        {
            var app = new App();
            new HelloCdkStack(app, "HelloCdkStack");
            app.Synth();
        }
    }
    
    public class HelloCdkStack : Stack
    {
        public HelloCdkStack(Construct scope, string id, IStackProps props=null) : base(scope, id, props)
        {
            new Bucket(this, "MyFirstBucket", new BucketProps { Versioned = true });
        }
    }
}

func NewHelloCdkStack(scope constructs.Construct, id string, props *HelloCdkStackProps) awscdk.Stack {
	var sprops awscdk.StackProps
	if props != nil {
		sprops = props.StackProps
	}
	stack := awscdk.NewStack(scope, &id, &sprops)

	awss3.NewBucket(stack, jsii.String("MyFirstBucket"), &awss3.BucketProps{
		Versioned: jsii.Bool(true),
	})

	return stack
}

const bucket = new s3.CfnBucket(this, "amzn-s3-demo-bucket", {
  bucketName: "amzn-s3-demo-bucket"
});

const bucket = new s3.CfnBucket(this, "amzn-s3-demo-bucket", {
  bucketName: "amzn-s3-demo-bucket"
});

bucket = s3.CfnBucket(self, "amzn-s3-demo-bucket", bucket_name="amzn-s3-demo-bucket")

CfnBucket bucket = new CfnBucket.Builder().bucketName("amzn-s3-demo-bucket").build();

var bucket = new CfnBucket(this, "amzn-s3-demo-bucket", new CfnBucketProps
{
    BucketName= "amzn-s3-demo-bucket"
});

	awss3.NewCfnBucket(stack, jsii.String("amzn-s3-demo-bucket"), &awss3.CfnBucketProps{
		BucketName: jsii.String("amzn-s3-demo-bucket"),
	})

const bucket = new s3.CfnBucket(this, "amzn-s3-demo-bucket", {
  bucketName: "amzn-s3-demo-bucket",
  corsConfiguration: {
    corsRules: [{
          allowedOrigins: ["*"],
          allowedMethods: ["GET"]
    }]
  }
});

const bucket = new s3.CfnBucket(this, "amzn-s3-demo-bucket", {
  bucketName: "amzn-s3-demo-bucket",
  corsConfiguration: {
    corsRules: [{
          allowedOrigins: ["*"],
          allowedMethods: ["GET"]
    }]
  }
});

Python では、これらのプロパティは L1 コンストラクトの内部クラスとして定義された型として表現されます。たとえば、CfnBucket のオプションプロパティ cors_configuration には、CfnBucket.CorsConfigurationProperty 型のラッパーが必要です。ここでは、CfnBucket インスタンスで cors_configuration を定義しています。

bucket = CfnBucket(self, "amzn-s3-demo-bucket", bucket_name="amzn-s3-demo-bucket",
    cors_configuration=CfnBucket.CorsConfigurationProperty(
        cors_rules=[CfnBucket.CorsRuleProperty(
            allowed_origins=["*"],
            allowed_methods=["GET"]
        )]
    )
)

Java では、これらのプロパティは L1 コンストラクトの内部クラスとして定義された型として表現されます。たとえば、CfnBucket のオプションプロパティ corsConfiguration には、CfnBucket.CorsConfigurationProperty 型のラッパーが必要です。ここでは、CfnBucket インスタンスで corsConfiguration を定義しています。

CfnBucket bucket = CfnBucket.Builder.create(this, "amzn-s3-demo-bucket")
                        .bucketName("amzn-s3-demo-bucket")
                        .corsConfiguration(new CfnBucket.CorsConfigurationProperty.Builder()
                            .corsRules(Arrays.asList(new CfnBucket.CorsRuleProperty.Builder()
                                .allowedOrigins(Arrays.asList("*"))
                                .allowedMethods(Arrays.asList("GET"))
                                .build()))
                            .build())
                        .build();

C# では、これらのプロパティは L1 コンストラクトの内部クラスとして定義された型として表現されます。たとえば、CfnBucket のオプションプロパティ CorsConfiguration には、CfnBucket.CorsConfigurationProperty 型のラッパーが必要です。ここでは、CfnBucket インスタンスで CorsConfiguration を定義しています。

var bucket = new CfnBucket(this, "amzn-s3-demo-bucket", new CfnBucketProps
{
    BucketName = "amzn-s3-demo-bucket",
    CorsConfiguration = new CfnBucket.CorsConfigurationProperty
    {
        CorsRules = new object[] {
            new CfnBucket.CorsRuleProperty
            {
                AllowedOrigins = new string[] { "*" },
                AllowedMethods = new string[] { "GET" },
            }
        }
    }
});

Go では、これらの型は L1 コンストラクトの名前、アンダースコア、プロパティ名を使用して命名されます。たとえば、CfnBucket のオプションプロパティ CorsConfiguration には、CfnBucket_CorsConfigurationProperty 型のラッパーが必要です。ここでは、CfnBucket インスタンスで CorsConfiguration を定義しています。

	awss3.NewCfnBucket(stack, jsii.String("amzn-s3-demo-bucket"), &awss3.CfnBucketProps{
		BucketName: jsii.String("amzn-s3-demo-bucket"),
		CorsConfiguration: &awss3.CfnBucket_CorsConfigurationProperty{
			CorsRules: []awss3.CorsRule{
				awss3.CorsRule{
					AllowedOrigins: jsii.Strings("*"),
					AllowedMethods: &[]awss3.HttpMethods{"GET"},
				},
			},
		},
	})

import * as s3 from 'aws-cdk-lib/aws-s3';

// "this" is HelloCdkStack
new s3.Bucket(this, 'MyFirstBucket', {
  versioned: true
});

const s3 = require('aws-cdk-lib/aws-s3');

// "this" is HelloCdkStack
new s3.Bucket(this, 'MyFirstBucket', {
  versioned: true
});

import aws_cdk.aws_s3 as s3

# "self" is HelloCdkStack
s3.Bucket(self, "MyFirstBucket", versioned=True)

import software.amazon.awscdk.services.s3.*;

public class HelloCdkStack extends Stack {
    public HelloCdkStack(final Construct scope, final String id) {
        this(scope, id, null);
    }

    public HelloCdkStack(final Construct scope, final String id, final StackProps props) {
        super(scope, id, props);

        Bucket.Builder.create(this, "MyFirstBucket")
                .versioned(true).build();
    }
}

using Amazon.CDK.AWS.S3;

// "this" is HelloCdkStack
new Bucket(this, "MyFirstBucket", new BucketProps
{
    Versioned = true
});

import (
	"github.com/aws/aws-cdk-go/awscdk/v2/awss3"
	"github.com/aws/jsii-runtime-go"
)

// stack is HelloCdkStack
awss3.NewBucket(stack, jsii.String("MyFirstBucket"), &awss3.BucketProps{
		Versioned: jsii.Bool(true),
	})>

export interface NotifyingBucketProps {
  prefix?: string;
}

export class NotifyingBucket extends Construct {
  constructor(scope: Construct, id: string, props: NotifyingBucketProps = {}) {
    super(scope, id);
    const bucket = new s3.Bucket(this, 'bucket');
    const topic = new sns.Topic(this, 'topic');
    bucket.addObjectCreatedNotification(new s3notify.SnsDestination(topic),
      { prefix: props.prefix });
  }
}

class NotifyingBucket extends Construct {
  constructor(scope, id, props = {}) {
    super(scope, id);
    const bucket = new s3.Bucket(this, 'bucket');
    const topic = new sns.Topic(this, 'topic');
    bucket.addObjectCreatedNotification(new s3notify.SnsDestination(topic),
      { prefix: props.prefix });
  }
}

module.exports = { NotifyingBucket }

class NotifyingBucket(Construct):

    def __init__(self, scope: Construct, id: str, *, prefix=None):
        super().__init__(scope, id)
        bucket = s3.Bucket(self, "bucket")
        topic = sns.Topic(self, "topic")
        bucket.add_object_created_notification(s3notify.SnsDestination(topic),
            s3.NotificationKeyFilter(prefix=prefix))

public class NotifyingBucket extends Construct {

    public NotifyingBucket(final Construct scope, final String id) {
        this(scope, id, null, null);
    }
    
    public NotifyingBucket(final Construct scope, final String id, final BucketProps props) {
        this(scope, id, props, null);
    }
    
    public NotifyingBucket(final Construct scope, final String id, final String prefix) {
        this(scope, id, null, prefix);
    }

    public NotifyingBucket(final Construct scope, final String id, final BucketProps props, final String prefix) {
        super(scope, id);

        Bucket bucket = new Bucket(this, "bucket");
        Topic topic = new Topic(this, "topic");
        if (prefix != null)
            bucket.addObjectCreatedNotification(new SnsDestination(topic),
                NotificationKeyFilter.builder().prefix(prefix).build());
     }
}

public class NotifyingBucketProps : BucketProps
{
    public string Prefix { get; set; }
}

public class NotifyingBucket : Construct
{
    public NotifyingBucket(Construct scope, string id, NotifyingBucketProps props = null) : base(scope, id)
    {
        var bucket = new Bucket(this, "bucket");
        var topic = new Topic(this, "topic");
        bucket.AddObjectCreatedNotification(new SnsDestination(topic), new NotificationKeyFilter
        {
            Prefix = props?.Prefix
        });
    }
}

type NotifyingBucketProps struct {
	awss3.BucketProps
	Prefix *string
}

func NewNotifyingBucket(scope constructs.Construct, id *string, props *NotifyingBucketProps) awss3.Bucket {
	var bucket awss3.Bucket
	if props == nil {
		bucket = awss3.NewBucket(scope, jsii.String(*id+"Bucket"), nil)
	} else {
		bucket = awss3.NewBucket(scope, jsii.String(*id+"Bucket"), &props.BucketProps)
	}
	topic := awssns.NewTopic(scope, jsii.String(*id+"Topic"), nil)
	if props == nil {
		bucket.AddObjectCreatedNotification(awss3notifications.NewSnsDestination(topic))
	} else {
		bucket.AddObjectCreatedNotification(awss3notifications.NewSnsDestination(topic), &awss3.NotificationKeyFilter{
			Prefix: props.Prefix,
		})
	}
	return bucket
}

new NotifyingBucket(this, 'MyNotifyingBucket');

new NotifyingBucket(this, 'MyNotifyingBucket');

NotifyingBucket(self, "MyNotifyingBucket")

new NotifyingBucket(this, "MyNotifyingBucket");

new NotifyingBucket(this, "MyNotifyingBucket");

NewNotifyingBucket(stack, jsii.String("MyNotifyingBucket"), nil)

new NotifyingBucket(this, 'MyNotifyingBucket', { prefix: 'images/' });

new NotifyingBucket(this, 'MyNotifyingBucket', { prefix: 'images/' });

NotifyingBucket(self, "MyNotifyingBucket", prefix="images/")

new NotifyingBucket(this, "MyNotifyingBucket", "/images");

new NotifyingBucket(this, "MyNotifyingBucket", new NotifyingBucketProps
{
    Prefix = "/images"
});

NewNotifyingBucket(stack, jsii.String("MyNotifyingBucket"), &NotifyingBucketProps{
	Prefix: jsii.String("images/"),
})

export class NotifyingBucket extends Construct {
  public readonly topic: sns.Topic;

  constructor(scope: Construct, id: string, props: NotifyingBucketProps) {
    super(scope, id);
    const bucket = new s3.Bucket(this, 'bucket');
    this.topic = new sns.Topic(this, 'topic');
    bucket.addObjectCreatedNotification(new s3notify.SnsDestination(this.topic), { prefix: props.prefix });
  }
}

class NotifyingBucket extends Construct {

  constructor(scope, id, props) {
    super(scope, id);
    const bucket = new s3.Bucket(this, 'bucket');
    this.topic = new sns.Topic(this, 'topic');
    bucket.addObjectCreatedNotification(new s3notify.SnsDestination(this.topic), { prefix: props.prefix });
  }
}

module.exports = { NotifyingBucket };

class NotifyingBucket(Construct):

    def __init__(self, scope: Construct, id: str, *, prefix=None, **kwargs):
        super().__init__(scope, id)
        bucket = s3.Bucket(self, "bucket")
        self.topic = sns.Topic(self, "topic")
        bucket.add_object_created_notification(s3notify.SnsDestination(self.topic),
            s3.NotificationKeyFilter(prefix=prefix))

public class NotifyingBucket extends Construct {

    public Topic topic = null;
    
    public NotifyingBucket(final Construct scope, final String id) {
        this(scope, id, null, null);
    }
    
    public NotifyingBucket(final Construct scope, final String id, final BucketProps props) {
        this(scope, id, props, null);
    }
    
    public NotifyingBucket(final Construct scope, final String id, final String prefix) {
        this(scope, id, null, prefix);
    }

    public NotifyingBucket(final Construct scope, final String id, final BucketProps props, final String prefix) {
        super(scope, id);

        Bucket bucket = new Bucket(this, "bucket");
        topic = new Topic(this, "topic");
        if (prefix != null)
            bucket.addObjectCreatedNotification(new SnsDestination(topic),
                NotificationKeyFilter.builder().prefix(prefix).build());
     }
}

public class NotifyingBucket : Construct
{
    public readonly Topic topic;

    public NotifyingBucket(Construct scope, string id, NotifyingBucketProps props = null) : base(scope, id)
    {
        var bucket = new Bucket(this, "bucket");
        topic = new Topic(this, "topic");
        bucket.AddObjectCreatedNotification(new SnsDestination(topic), new NotificationKeyFilter
        {
            Prefix = props?.Prefix
        });
    }
}

Go でこれを実行するには、少し追加の準備が必要です。元の NewNotifyingBucket 関数は、そのままでは awss3.Bucket を返します。そこで、NotifyingBucket 構造体を作成して、topic メンバーを含めるように Bucket を拡張する必要があります。そうすることで、この関数はこの型を返すようになります。

type NotifyingBucket struct {
	awss3.Bucket
	topic awssns.Topic
}

func NewNotifyingBucket(scope constructs.Construct, id *string, props *NotifyingBucketProps) NotifyingBucket {
	var bucket awss3.Bucket
	if props == nil {
		bucket = awss3.NewBucket(scope, jsii.String(*id+"Bucket"), nil)
	} else {
		bucket = awss3.NewBucket(scope, jsii.String(*id+"Bucket"), &props.BucketProps)
	}
	topic := awssns.NewTopic(scope, jsii.String(*id+"Topic"), nil)
	if props == nil {
		bucket.AddObjectCreatedNotification(awss3notifications.NewSnsDestination(topic))
	} else {
		bucket.AddObjectCreatedNotification(awss3notifications.NewSnsDestination(topic), &awss3.NotificationKeyFilter{
			Prefix: props.Prefix,
		})
	}
	var nbucket NotifyingBucket
	nbucket.Bucket = bucket
	nbucket.topic = topic
	return nbucket
}

const queue = new sqs.Queue(this, 'NewImagesQueue');
const images = new NotifyingBucket(this, '/images');
images.topic.addSubscription(new sns_sub.SqsSubscription(queue));

const queue = new sqs.Queue(this, 'NewImagesQueue');
const images = new NotifyingBucket(this, '/images');
images.topic.addSubscription(new sns_sub.SqsSubscription(queue));

queue = sqs.Queue(self, "NewImagesQueue")
images = NotifyingBucket(self, prefix="Images")
images.topic.add_subscription(sns_sub.SqsSubscription(queue))

NotifyingBucket images = new NotifyingBucket(this, "MyNotifyingBucket", "/images");
images.topic.addSubscription(new SqsSubscription(queue));

var queue = new Queue(this, "NewImagesQueue");
var images = new NotifyingBucket(this, "MyNotifyingBucket", new NotifyingBucketProps
{
    Prefix = "/images"
});
images.topic.AddSubscription(new SqsSubscription(queue));

	queue := awssqs.NewQueue(stack, jsii.String("NewImagesQueue"), nil)
	images := NewNotifyingBucket(stack, jsii.String("MyNotifyingBucket"), &NotifyingBucketProps{
		Prefix: jsii.String("/images"),
	})
	images.topic.AddSubscription(awssnssubscriptions.NewSqsSubscription(queue, nil))