sdsunjay

sdsunjay

export class StaticWebsiteStack extends Stack {
  public readonly siteBucket: s3.Bucket;
  public readonly logBucket: s3.Bucket;
  public readonly cloudfrontOAI: cloudfront.OriginAccessIdentity;

  constructor(parent: Construct, id: string, props: StaticWebsiteStackProps) {
    super(parent, id, props);

    // Create a new S3 bucket for logs with a lifecycle rule
    this.logBucket = new s3.Bucket(this, 'logBucket', {

sdsunjay

#!/usr/bin/env node
import * as cdk from 'aws-cdk-lib';
import { HostedZone } from '../lib/hosted-zone';

/**
 * This stack relies on getting the domain name from CDK context.
 * Use 'cdk synth -c domain=mystaticsite.com -c subdomain=www'
 * Or add the following to cdk.json:
 * {
 *   "context": {

sdsunjay

import { aws_route53 as route53 } from 'aws-cdk-lib';
import { CfnOutput, Stack } from 'aws-cdk-lib';
import { Construct } from 'constructs';

export interface HostedZoneProps {
  domainName: string;
  description: string;
}

export class HostedZone extends Construct {

sdsunjay

// CloudFront distribution
    const distribution = new Distribution(this, 'SiteDistribution', {
      certificate: certificate,
      defaultRootObject: "index.html",
      domainNames: [siteDomain],
      minimumProtocolVersion: SecurityPolicyProtocol.TLS_V1_2_2021,
      errorResponses:[
        {
          httpStatus: 403,
          responseHttpStatus: 403,

sdsunjay

// inside the StaticWebsite class

     // Content bucket
     this.siteBucket = new s3.Bucket(this, 'SiteBucket', {
       bucketName: props.domainName,
       publicReadAccess: false,
       blockPublicAccess: s3.BlockPublicAccess.BLOCK_ALL,

       /**
        * The default removal policy is RETAIN, which means that cdk destroy will not attempt to delete

sdsunjay

interface SlackChannel {
  readonly name: string;
  readonly id: string;
}

interface SlackBotProps {
  readonly workspaceId: string;
  readonly channel: SlackChannel;
  readonly topics: ReadonlyArray<ITopic>;
}

sdsunjay

 private generateAnomalyBandVolumeExpression = (metric: Metric) : MathExpression => new MathExpression({
      // this expression compares metric value with CloudWatch anomaly detection lower band
      usingMetrics: {
        ["m1"]: metric,
      },
      expression: `IF(m1 < FIRST(ANOMALY_DETECTION_BAND(m1, 2)), 1, 0)`,
      label: `${metric.metricName} Anomaly Detection Volume Below Trend`,
    },
);

sdsunjay

  createAnomalyAlarm(scope: cdk.Construct, jobName: string, pascalName: string, alarmActions: string[]): CfnAlarm {
    // The job name is used to match job metrics and alarms
    return new CfnAlarm(this, `${jobName}ExecutionTimeAlarm`, {
      alarmName: `${jobName}-execution-time`,
      comparisonOperator: 'GreaterThanUpperThreshold',
      datapointsToAlarm: 1,
      evaluationPeriods: 1,
      metrics: [
        {
          id: pascalName,

sdsunjay