Add missing ASG tag

Author: jorgeazevedo

cdk/lib/__snapshots__/notification.test.ts.snap

@@ -274,6 +274,11 @@ exports[`The Notification stack matches the snapshot for CODE 1`] = `
             "PropagateAtLaunch": true,
             "Value": "guardian/mobile-n10n",
           },
+          {
+            "Key": "gu:riffraff:new-asg",
+            "PropagateAtLaunch": true,
+            "Value": "true",
+          },
           {
             "Key": "LogKinesisStreamName",
             "PropagateAtLaunch": true,
@@ -2458,6 +2463,11 @@ exports[`The Notification stack matches the snapshot for PROD 1`] = `
             "PropagateAtLaunch": true,
             "Value": "guardian/mobile-n10n",
           },
+          {
+            "Key": "gu:riffraff:new-asg",
+            "PropagateAtLaunch": true,
+            "Value": "true",
+          },
           {
             "Key": "LogKinesisStreamName",
             "PropagateAtLaunch": true,

cdk/lib/notification.ts

@@ -11,7 +11,7 @@ import {
 } from '@guardian/cdk/lib/constructs/core';
 import { GuAllowPolicy } from '@guardian/cdk/lib/constructs/iam';
 import type { App } from 'aws-cdk-lib';
-import { Duration } from 'aws-cdk-lib';
+import { Duration, Tags } from 'aws-cdk-lib';
 import type { CfnAutoScalingGroup } from 'aws-cdk-lib/aws-autoscaling';
 import { Table } from 'aws-cdk-lib/aws-dynamodb';
 import { InstanceClass, InstanceSize, InstanceType } from 'aws-cdk-lib/aws-ec2';
@@ -166,6 +166,8 @@ export class Notification extends GuStack {
 		const cfnAsg = autoScalingGroup.node.defaultChild as CfnAutoScalingGroup;
 		cfnAsg.healthCheckGracePeriod = Duration.seconds(400).toSeconds();
 
+		Tags.of(autoScalingGroup).add('gu:riffraff:new-asg', 'true');
+
 		adjustCloudformationParameters(this);
 
 		// This is necessary whilst dual-stacking because there is already a parameter called VpcId in the YAML template