CloudFormtion スタックのステータスが失敗またはロールバックで終了した場合に SNS トピックに通知する EventBridge ルールを AWS CDK で作成する

import * as cdk from "aws-cdk-lib";
import { Construct } from "constructs";
import * as sns from "aws-cdk-lib/aws-sns";
import * as subscriptions from "aws-cdk-lib/aws-sns-subscriptions";
import * as events from "aws-cdk-lib/aws-events";
import * as targets from "aws-cdk-lib/aws-events-targets";

export class MainStack extends cdk.Stack {
  constructor(scope: Construct, id: string, props: cdk.StackProps) {
    super(scope, id, props);

    const SUBSCRIPTION_EMAIL_ADDRESS =
      process.env.SUBSCRIPTION_EMAIL_ADDRESS || "";

    /**
     * SNS トピックを作成
     */
    const topic = new sns.Topic(this, "Topic");

    /**
     * SNS トピックにEメールサブスクリプションを追加
     */
    topic.addSubscription(
      new subscriptions.EmailSubscription(SUBSCRIPTION_EMAIL_ADDRESS)
    );

    /**
     * CloudFormation スタックのステータスが失敗またはロールバックで終了した場合にイベントをキャッチする EventBridge ルールを作成
     */
    const rule = new events.Rule(this, "Rule", {
      eventPattern: {
        // @see https://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/UserGuide/event-detail-stack-status-change.html
        source: ["aws.cloudformation"],
        detailType: ["CloudFormation Stack Status Change"],
        detail: {
          "status-details": {
            // @see https://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/UserGuide/view-stack-events.html#cfn-console-view-stack-data-resources-status-codes
            status: [
              "CREATE_FAILED",
              "DELETE_FAILED",
              "IMPORT_ROLLBACK_COMPLETE",
              "IMPORT_ROLLBACK_FAILED",
              "ROLLBACK_COMPLETE",
              "ROLLBACK_FAILED",
              "UPDATE_FAILED",
              "UPDATE_ROLLBACK_COMPLETE",
              "UPDATE_ROLLBACK_FAILED",
            ],
          },
        },
      },
    });

    /**
     * EventBridge ルールに SNS トピックをターゲットとして追加
     */
    rule.addTarget(new targets.SnsTopic(topic));
  }
}

{
  "version": "0",
  "id": "11bdb510-074d-69fa-6aa0-7a780e7d4818",
  "detail-type": "CloudFormation Stack Status Change",
  "source": "aws.cloudformation",
  "account": "XXXXXXXXXXXX",
  "time": "2025-06-19T12:45:36Z",
  "region": "ap-northeast-1",
  "resources": [
    "arn:aws:cloudformation:ap-northeast-1:XXXXXXXXXXXX:stack/Main/01ab87c0-03e8-11f0-9141-0ea4b6a23d7f"
  ],
  "detail": {
    "stack-id": "arn:aws:cloudformation:ap-northeast-1:XXXXXXXXXXXX:stack/Main/01ab87c0-03e8-11f0-9141-0ea4b6a23d7f",
    "client-request-token": "update5bde2636-b335-447a-94f2-029b78e71d6d",
    "status-details": {
      "status": "UPDATE_ROLLBACK_COMPLETE",
      "detailed-status": "",
      "status-reason": ""
    }
  }
}