test

test.js

const AWS = require('aws-sdk');
const YAML = require('yamljs');
AWS.config.update({region: 'us-east-1'});

const ec2 = new AWS.EC2();

const mapping = {
    RegionMap: {}
};

const filter = [
    {
      Name: 'product-code',
      Values: ['aw0evgkw8e5c1q413zgy5pjce']
    }
  ];

const params = {
  DryRun: false,
  Filters: filter,
  Owners: ['aws-marketplace']
};

ec2.describeRegions({}, (err, data) => {
    if (err) console.error(err, err.stack);
    else {
        // regions loop
        data.Regions.forEach((region) => {
            var region_name = region.RegionName;
            AWS.config.update({region: region_name});
            var region_ec2 = new AWS.EC2();
            region_ec2.describeImages(params, (err, data) => {
                if (err) console.error(err, err.stack)
                else {
                    // sort by date
                    var images = data.Images.sort((a,b) => {
                        return new Date(b.CreationDate) - new Date(a.CreationDate);
                    });
                    images.forEach((image) => {
                        mapping['RegionMap'][region_name] = {
                            AMI: image.ImageId,
                            Name: image.Name,
                            CreationDate: image.CreationDate
                        };
                    });

                    var yamlmap = YAML.stringify(mapping,4);
                    console.log(yamlmap);
                }
            });

        }, this);
    }
});