CloudFront Metrics via CloudWatch API

cloudfront-metrics.js

'use strict';

const AWS = require('aws-sdk');

const cloudwatch = new AWS.CloudWatch();

const endDate = new Date();
const startDate = new Date(endDate.getTime() - (3600 * 24 * 1000)); // 1 day ago


cloudwatch.getMetricStatistics({
  Namespace: 'AWS/CloudFront',
  MetricName: 'Requests',
  StartTime: startDate,
  Period: 60 * 60, // per each 1 hour period
  EndTime: endDate,
  Dimensions: [
    { Name: 'Region', Value: 'Global' },
    { Name: 'DistributionId', Value: 'TARGET_CLOUDFRONT_DIST_ID' },
  ],
  Statistics: ['Sum'],
}, (e, data) => {
  if (e) { // handle error if an error occurred
    console.error(e);
    return;
  }

  console.log(data);
});