Application to list different machines images in different regions. Used to keep an updated list of AMI ids.

FindAmazonMachineImages.cs

/**
 * Install dependencies via NuGet: Install-Package AWSSDK
 */

namespace FindAmazonMachineImages
{
    using System;
    using System.Collections.Generic;
    using System.Linq;

    using Amazon;
    using Amazon.EC2;
    using Amazon.EC2.Model;

    public class Program
    {
        public static void Main()
        {
            var regions = new[]
            {
                RegionEndpoint.USEast1,
                RegionEndpoint.USWest1,
                RegionEndpoint.USWest2,
                RegionEndpoint.EUWest1,
                RegionEndpoint.EUCentral1,
                RegionEndpoint.SAEast1,
                RegionEndpoint.APSoutheast1,
                RegionEndpoint.APSoutheast2,
                RegionEndpoint.APNortheast1
            };

            var queries = new[]
            {
                FindImageQuery.Ubuntu1404,
                FindImageQuery.Windows2008,
                FindImageQuery.Windows2008R2,
                FindImageQuery.Windows2012,
                FindImageQuery.Windows2012R2
            };

            foreach (var region in regions)
            {
                Console.WriteLine("Region: {0}", region.DisplayName);

                foreach (var query in queries)
                {
                    var image = FindImage(region, query);

                    Console.WriteLine("ImageId: {0}Name: {1}", image.ImageId.PadRight(15), image.Name);
                }
            }

            Console.WriteLine("Press Enter to exit...");
            Console.ReadLine();
        }

        private static Image FindImage(RegionEndpoint region, FindImageQuery query)
        {
            var aws = new AmazonEC2Client(region);

            var request = new DescribeImagesRequest
            {
                Filters = new List<Filter>
                {
                    new Filter("architecture", new List<string> { query.Architecture.Value }),
                    new Filter("image-type", new List<string> { "machine" }),
                    new Filter("owner-id", new List<string> { query.OwnerId }),
                    new Filter("virtualization-type", new List<string> { query.VirtualizationType }),
                    new Filter("name", new List<string> { query.Name })
                }
            };

            var response = aws.DescribeImages(request);

            var image = response.Images.OrderByDescending(_ => _.Name).First();

            return image;
        }

        private class FindImageQuery
        {
            public static readonly FindImageQuery Ubuntu1404 = new FindImageQuery("ubuntu/images/hvm/ubuntu-trusty-14.04-amd64-server-*", CanonicalOwnerId);

            public static readonly FindImageQuery Windows2008 = new FindImageQuery("Windows_Server-2008-SP2-English-64Bit-Base-*", AmazonOwnerId);

            public static readonly FindImageQuery Windows2008R2 = new FindImageQuery("Windows_Server-2008-R2_SP1-English-64Bit-Base-*", AmazonOwnerId);

            public static readonly FindImageQuery Windows2012 = new FindImageQuery("Windows_Server-2012-RTM-English-64Bit-Base-*", AmazonOwnerId);

            public static readonly FindImageQuery Windows2012R2 = new FindImageQuery("Windows_Server-2012-R2_RTM-English-64Bit-Base-*", AmazonOwnerId);

            private const string CanonicalOwnerId = "099720109477";

            private const string AmazonOwnerId = "801119661308";

            public FindImageQuery(string name, string ownerId)
                : this(name, ownerId, ArchitectureValues.X86_64, VirtualizationType.Hvm)
            {
            }

            public FindImageQuery(string name, string ownerId, ArchitectureValues architecture, VirtualizationType virtualizationType)
            {
                Name = name;
                OwnerId = ownerId;
                Architecture = architecture;
                VirtualizationType = virtualizationType;
            }

            public ArchitectureValues Architecture { get; private set; }

            public string OwnerId { get; private set; }

            public VirtualizationType VirtualizationType { get; private set; }

            public string Name { get; private set; }
        }
    }
}