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CloudFormationコンソールから、 実際に作られたリソースを辿れるようになろう!

Avatar for amixedcolor amixedcolor
November 12, 2025

CloudFormationコンソールから、 実際に作られたリソースを辿れるようになろう!

【ジュニチャン大盛】みんなのAWS CDK事情大公開スペシャル#4 で登壇した内容です!
https://classmethod.connpass.com/event/373496/

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amixedcolor

November 12, 2025
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  1. 6 自己紹介 保 龍児(エイミ/amixedcolor) 2025 Japan AWS Jr. Champion 業務内容

    : 自社新規事業SaaS開発リーダー エンジニア(WebアプリFE/BE/インフラ) 好きなトピック : アジャイル、スクラム、新規事業開発、 AWS、完全没入型仮想現実 よくいるコミュニティ : AWSコミュニティ、アジャイルコミュニティ @amixedcolor
  2. 21 構成図 AWS Cloud Virtual private cloud (VPC) Internet gateway

    Public subnet Public subnet Amazon Elastic Compute Cloud (Amazon EC2) Role Permissions AmazonSSMManagedInstanceCore Internet
  3. 22 構成図 AWS Cloud Virtual private cloud (VPC) Internet gateway

    Public subnet Public subnet Amazon Elastic Compute Cloud (Amazon EC2) Role Permissions AmazonSSMManagedInstanceCore Internet
  4. 23 構成図 AWS Cloud Virtual private cloud (VPC) Internet gateway

    Public subnet Public subnet Amazon Elastic Compute Cloud (Amazon EC2) Role Permissions AmazonSSMManagedInstanceCore Internet
  5. 24 構成図 AWS Cloud Virtual private cloud (VPC) Internet gateway

    Public subnet Public subnet Amazon Elastic Compute Cloud (Amazon EC2) Role Permissions AmazonSSMManagedInstanceCore Internet
  6. 25 構成図 AWS Cloud Virtual private cloud (VPC) Internet gateway

    Public subnet Public subnet Amazon Elastic Compute Cloud (Amazon EC2) Role Permissions AmazonSSMManagedInstanceCore Internet
  7. 26 構成図 AWS Cloud Virtual private cloud (VPC) Internet gateway

    Public subnet Public subnet Amazon Elastic Compute Cloud (Amazon EC2) Role Permissions AmazonSSMManagedInstanceCore Internet
  8. 27 構成図 AWS Cloud Virtual private cloud (VPC) Internet gateway

    Public subnet Public subnet Amazon Elastic Compute Cloud (Amazon EC2) Role Permissions AmazonSSMManagedInstanceCore Internet
  9. 28 構成図 AWS Cloud Virtual private cloud (VPC) Internet gateway

    Public subnet Public subnet Amazon Elastic Compute Cloud (Amazon EC2) Role Permissions AmazonSSMManagedInstanceCore Internet
  10. 29 構成図 AWS Cloud Virtual private cloud (VPC) Internet gateway

    Public subnet Public subnet Amazon Elastic Compute Cloud (Amazon EC2) Role Permissions AmazonSSMManagedInstanceCore Internet
  11. 30 #!/usr/bin/env node import * as cdk from 'aws-cdk-lib'; import

    { CdkLtStack } from '../lib/cdk-lt-stack'; import { CdkLtStack as CdkLtStackPredeployed } from '../lib/cdk-lt-stack’; const app = new cdk.App(); new CdkLtStack(app, 'CdkLtDemoStack', {}); new CdkLtStackPredeployed(app, 'CdkLtDemoStackPredeployed', {}); cdk.Tags.of(app).add('Project', 'CDK-LT-Demo'); cdk.Tags.of(app).add('Deletion Policy', '202511'); cdk.Tags.of(app).add('CreatedBy', 'tatsuji.ho'); ソースコード①:bin/app.ts
  12. 31 import * as cdk from 'aws-cdk-lib'; import { Construct

    } from 'constructs'; import * as ec2 from 'aws-cdk-lib/aws-ec2'; // EC2 (VPC, Instance) import * as iam from 'aws-cdk-lib/aws-iam'; // IAM (Role) ソースコード②:cdk-lt-stack.ts(1/4)
  13. 32 export class CdkLtStack extends cdk.Stack { constructor(scope: Construct, id:

    string, props?: cdk.StackProps) { super(scope, id, props); const vpc = new ec2.Vpc(this, 'MyVpc', { vpcName: 'cdk-lt-vpc', maxAzs: 2 subnetConfiguration: [ { cidrMask: 24, name: 'Public', subnetType: ec2.SubnetType.PUBLIC, }, ], }); cdk.Tags.of(vpc).add('Name', 'cdk-lt-vpc'); ソースコード②:cdk-lt-stack.ts(2/4)
  14. 33 const ec2Role = new iam.Role(this, 'Ec2SsmRole', { assumedBy: new

    iam.ServicePrincipal('ec2.amazonaws.com'), managedPolicies: [ iam.ManagedPolicy.fromAwsManagedPolicyName('AmazonSSMManagedInstanceCore'), ], }); const instance = new ec2.Instance(this, 'MyEc2Instance', { vpc: vpc, instanceType: ec2.InstanceType.of(ec2.InstanceClass.T3, ec2.InstanceSize.MICRO), machineImage: ec2.MachineImage.latestAmazonLinux2023(), vpcSubnets: { subnetType: ec2.SubnetType.PUBLIC, }, associatePublicIpAddress: true, role: ec2Role, }); cdk.Tags.of(instance).add('Name', 'cdk-lt-instance'); ソースコード②:cdk-lt-stack.ts(3/4)
  15. 34 new cdk.CfnOutput(this, 'VpcIdOutput', { value: vpc.vpcId, description: 'Created VPC

    ID', exportName: 'CdkLtDemoVpcId', // 他のスタックから参照する場合の名前 }); new cdk.CfnOutput(this, 'InstanceIdOutput', { value: instance.instanceId, description: 'Created EC2 Instance ID', }); new cdk.CfnOutput(this, 'InstancePublicIpOutput', { value: instance.instancePublicIp, description: 'EC2 Instance Public IP', }); } } ソースコード②:cdk-lt-stack.ts(4/4)
  16. 37 #!/usr/bin/env node import * as cdk from 'aws-cdk-lib'; import

    { CdkLtStack } from '../lib/cdk-lt-stack'; import { CdkLtStack as CdkLtStackPredeployed } from '../lib/cdk-lt-stack’; const app = new cdk.App(); new CdkLtStack(app, 'CdkLtDemoStack', {}); new CdkLtStackPredeployed(app, 'CdkLtDemoStackPredeployed', {}); cdk.Tags.of(app).add('Project', 'CDK-LT-Demo'); cdk.Tags.of(app).add('Deletion Policy', '202511'); cdk.Tags.of(app).add('CreatedBy', 'tatsuji.ho'); ソースコード①:bin/app.ts 再掲
  17. 38 #!/usr/bin/env node import * as cdk from 'aws-cdk-lib'; import

    { CdkLtStack } from '../lib/cdk-lt-stack'; import { CdkLtStack as CdkLtStackPredeployed } from '../lib/cdk-lt-stack’; const app = new cdk.App(); new CdkLtStack(app, 'CdkLtDemoStack', {}); new CdkLtStackPredeployed(app, 'CdkLtDemoStackPredeployed', {}); cdk.Tags.of(app).add('Project', 'CDK-LT-Demo'); cdk.Tags.of(app).add('Deletion Policy', '202511'); cdk.Tags.of(app).add('CreatedBy', 'tatsuji.ho'); ソースコード①:bin/app.ts 再掲
  18. 43 export class CdkLtStack extends cdk.Stack { constructor(scope: Construct, id:

    string, props?: cdk.StackProps) { super(scope, id, props); const vpc = new ec2.Vpc(this, 'MyVpc', { vpcName: 'cdk-lt-vpc', maxAzs: 2 subnetConfiguration: [ { cidrMask: 24, name: 'Public', subnetType: ec2.SubnetType.PUBLIC, }, ], }); cdk.Tags.of(vpc).add('Name', 'cdk-lt-vpc'); ソースコード②:cdk-lt-stack.ts(2/4) 再掲
  19. 44 export class CdkLtStack extends cdk.Stack { constructor(scope: Construct, id:

    string, props?: cdk.StackProps) { super(scope, id, props); const vpc = new ec2.Vpc(this, 'MyVpc', { vpcName: 'cdk-lt-vpc', maxAzs: 2 subnetConfiguration: [ { cidrMask: 24, name: 'Public', subnetType: ec2.SubnetType.PUBLIC, }, ], }); cdk.Tags.of(vpc).add('Name', 'cdk-lt-vpc'); ソースコード②:cdk-lt-stack.ts(2/4) 再掲
  20. 48 #!/usr/bin/env node import * as cdk from 'aws-cdk-lib'; import

    { CdkLtStack } from '../lib/cdk-lt-stack'; import { CdkLtStack as CdkLtStackPredeployed } from '../lib/cdk-lt-stack’; const app = new cdk.App(); new CdkLtStack(app, 'CdkLtDemoStack', {}); new CdkLtStackPredeployed(app, 'CdkLtDemoStackPredeployed', {}); cdk.Tags.of(app).add('Project', 'CDK-LT-Demo'); cdk.Tags.of(app).add('Deletion Policy', '202511'); cdk.Tags.of(app).add('CreatedBy', 'tatsuji.ho'); ソースコード①:bin/app.ts 再掲
  21. 49 #!/usr/bin/env node import * as cdk from 'aws-cdk-lib'; import

    { CdkLtStack } from '../lib/cdk-lt-stack'; import { CdkLtStack as CdkLtStackPredeployed } from '../lib/cdk-lt-stack’; const app = new cdk.App(); new CdkLtStack(app, 'CdkLtDemoStack', {}); new CdkLtStackPredeployed(app, 'CdkLtDemoStackPredeployed', {}); cdk.Tags.of(app).add('Project', 'CDK-LT-Demo'); cdk.Tags.of(app).add('Deletion Policy', '202511'); cdk.Tags.of(app).add('CreatedBy', 'tatsuji.ho'); ソースコード①:bin/app.ts 再掲
  22. 51 export class CdkLtStack extends cdk.Stack { constructor(scope: Construct, id:

    string, props?: cdk.StackProps) { super(scope, id, props); const vpc = new ec2.Vpc(this, 'MyVpc', { vpcName: 'cdk-lt-vpc', maxAzs: 2 subnetConfiguration: [ { cidrMask: 24, name: 'Public', subnetType: ec2.SubnetType.PUBLIC, }, ], }); cdk.Tags.of(vpc).add('Name', 'cdk-lt-vpc'); ソースコード②:cdk-lt-stack.ts(2/4) 再掲
  23. 52 export class CdkLtStack extends cdk.Stack { constructor(scope: Construct, id:

    string, props?: cdk.StackProps) { super(scope, id, props); const vpc = new ec2.Vpc(this, 'MyVpc', { vpcName: 'cdk-lt-vpc', maxAzs: 2 subnetConfiguration: [ { cidrMask: 24, name: 'Public', subnetType: ec2.SubnetType.PUBLIC, }, ], }); cdk.Tags.of(vpc).add('Name', 'cdk-lt-vpc'); ソースコード②:cdk-lt-stack.ts(2/4) 再掲
  24. 57 #!/usr/bin/env node import * as cdk from 'aws-cdk-lib'; import

    { CdkLtStack } from '../lib/cdk-lt-stack'; import { CdkLtStack as CdkLtStackPredeployed } from '../lib/cdk-lt-stack’; const app = new cdk.App(); new CdkLtStack(app, 'CdkLtDemoStack', {}); new CdkLtStackPredeployed(app, 'CdkLtDemoStackPredeployed', {}); cdk.Tags.of(app).add('Project', 'CDK-LT-Demo'); cdk.Tags.of(app).add('Deletion Policy', '202511'); cdk.Tags.of(app).add('CreatedBy', 'tatsuji.ho'); ソースコード①:bin/app.ts 再掲
  25. 58 #!/usr/bin/env node import * as cdk from 'aws-cdk-lib'; import

    { CdkLtStack } from '../lib/cdk-lt-stack'; import { CdkLtStack as CdkLtStackPredeployed } from '../lib/cdk-lt-stack’; const app = new cdk.App(); new CdkLtStack(app, 'CdkLtDemoStack', {}); new CdkLtStackPredeployed(app, 'CdkLtDemoStackPredeployed', {}); cdk.Tags.of(app).add('Project', 'CDK-LT-Demo'); cdk.Tags.of(app).add('Deletion Policy', '202511'); cdk.Tags.of(app).add('CreatedBy', 'tatsuji.ho'); ソースコード①:bin/app.ts 再掲
  26. 61 new cdk.CfnOutput(this, 'VpcIdOutput', { value: vpc.vpcId, description: 'Created VPC

    ID', exportName: 'CdkLtDemoVpcId', // 他のスタックから参照する場合の名前 }); new cdk.CfnOutput(this, 'InstanceIdOutput', { value: instance.instanceId, description: 'Created EC2 Instance ID', }); new cdk.CfnOutput(this, 'InstancePublicIpOutput', { value: instance.instancePublicIp, description: 'EC2 Instance Public IP', }); } } ソースコード②:cdk-lt-stack.ts(4/4) 再掲
  27. 62 new cdk.CfnOutput(this, 'VpcIdOutput', { value: vpc.vpcId, description: 'Created VPC

    ID', exportName: 'CdkLtDemoVpcId', // 他のスタックから参照する場合の名前 }); new cdk.CfnOutput(this, 'InstanceIdOutput', { value: instance.instanceId, description: 'Created EC2 Instance ID', }); new cdk.CfnOutput(this, 'InstancePublicIpOutput', { value: instance.instancePublicIp, description: 'EC2 Instance Public IP', }); } } ソースコード②:cdk-lt-stack.ts(4/4) 再掲
  28. 63 • スタック > リソース > ビューを選択 • ツリービュー:属しているツリーがわかる/ツリーを知りたい •

    フラットビュー:一覧でいち早く見つけたい/名称が不明 • 物理IDで辿る • リンクになっている:リンクを押下 • リンクになっていない: • まずIDをコピーする • タイプをもとに各サービスのコンソールに移動(必要に応じてWebで調べる) • 対応するリソースの検索窓にペーストし検索 • Outputもコンソールで閲覧可能 辿り方の整理