private String getImagesAsCsv(ILambdaContext context)
{
String accountId = context.InvokedFunctionArn.Split(':')[4];
var ec2Client = new AmazonEC2Client();
var asClient = new AmazonAutoScalingClient();
var getImagesRequest = new DescribeImagesRequest();
var getLCRequest = new DescribeLaunchConfigurationsRequest();
getLCRequest.MaxRecords = 100;
getImagesRequest.Filters.Add(new Amazon.EC2.Model.Filter
{
Name = "is-public",
Values = new List <string>()
{
"false"
}
});
getImagesRequest.Filters.Add(new Amazon.EC2.Model.Filter
{
Name = "owner-id",
Values = new List <string>()
{
accountId
}
});
var lcResponse = asClient.DescribeLaunchConfigurationsAsync(getLCRequest);
var imagesResponse = ec2Client.DescribeImagesAsync(getImagesRequest);
imagesResponse.Wait();
lcResponse.Wait();
imagesResponse.Result.Images.Sort((image1, image2) => - 1 * image1.CreationDate.CompareTo(image2.CreationDate));
List <LaunchConfiguration> launchConfigIds = lcResponse.Result.LaunchConfigurations;
var sb = new StringBuilder();
sb.Append("DateCreated,AMI-Name,AMI-ID,OwnerID,LaunchConfigExists,LaunchConfigName,Description\n");
imagesResponse.Result.Images.ForEach(i => {
List <String> lcs = launchConfigIds.FindAll(lc => lc.ImageId.Equals(i.ImageId)).Select(lc => lc.LaunchConfigurationName).ToList();
bool lcExists = lcs.Count > 0;
String sLcs = lcExists ? String.Join(",", lcs) : String.Empty;
sb.Append($"{i.CreationDate},{i.Name},{i.ImageId},{i.OwnerId},{lcExists},{sLcs},{i.Description}\n");
});
return(sb.ToString());
}
private static async Task DeleteAmis()
{
var client = new AmazonEC2Client(RegionEndpoint.APSoutheast2);
var asgClient = new AmazonAutoScalingClient(RegionEndpoint.APSoutheast2);
var request = new DescribeImagesRequest();
request.Owners.Add(ownerId);
var images = await client.DescribeImagesAsync(request);
var launchConfigs = await asgClient.DescribeLaunchConfigurationsAsync();
var dateToKeepAmisFrom = new DateTime(2018, 11, 03);
foreach (var image in images.Images.Where(x => DateTime.Parse(x.CreationDate) < dateToKeepAmisFrom))
{
Console.WriteLine($"Deleting Image: {image.ImageId} - {image.Name}...");
if (!image.Tags.Any(t => t.Key == "Master"))
{
if (launchConfigs.LaunchConfigurations.Any(x => x.ImageId == image.ImageId))
{
Console.WriteLine("Skipped belonging to Launch configuration.");
}
else
{
await client.DeregisterImageAsync(new DeregisterImageRequest(image.ImageId));
var snapshotIds = image.BlockDeviceMappings.Select(x => x.Ebs.SnapshotId);
foreach (var snapshotId in snapshotIds)
{
Console.WriteLine($"Deleting Snapshot {snapshotId}...");
await client.DeleteSnapshotAsync(new DeleteSnapshotRequest(snapshotId));
}
}
}
else
{
Console.WriteLine("Skipping because having Tag of Master.");
}
}
}
