Release: AWS SDK for .NET 1.4.11

Release Notes>.NET>Release: AWS SDK for .NET 1.4.11
This release adds support for IAM Instance Profiles, including new credentials objects in the SDK, and updates to Amazon EC2 and Auto Scaling for IAM Instance Profiles. This release also adds new features in the Amazon S3, Amazon EC2, Auto Scaling, and Amazon RDS APIs.


Submitted By: Pavel@AWS
Created On: June 12, 2012 2:42 AM GMT
Last Updated: June 12, 2012 2:42 AM GMT


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New Features

Change Description
AWS Identity and Access Management (IAM) - Instance Profiles

IAM Instance Profiles allow you to securely deliver AWS credentials directly to your Amazon EC2 instances. You can use the updated IAM API, the AWS Management Console, or AWS Toolkit for Visual Studio to create IAM Instance Profiles, then launch instances using that profile to have your AWS credentials securely distributed to the Amazon EC2 instances running your application.

The AWS SDKs make it easy to access the IAM Instance Profile credentials distributed through your EC2 instances. See below for more information on the new SDK client constructors and credentials objects.

The Amazon EC2 and Auto Scaling APIs have also been updated so that you can launch instances or create Auto Scaling groups that take advantage of the new, easy to use, credentials distributions feature.

Default Client Constructors

Each client in the AWS SDK for .NET now includes a default constructor to make it even easier to work with the SDK. The default constructors use fallback mechanism that searches for your AWS credentials first in app.config (or web.config), then tries to retrieve the credentials from the IAM Instance Profile, if one is available.

Auto Scaling - Spot Support

Developers can now take advantage of reduced prices for Amazon EC2 Spot instances from their Auto Scaling groups.

Amazon S3 - More Custom ACL Support

The latest API update to Amazon S3 allows you to specify custom Access Control Lists (ACLs) when you upload objects. Previously you could specify a generic CannedAccessControlList at the same time as uploading an object, but the latest API update allows you to specify any custom ACL to be applied immediately when your object is uploaded.

Amazon RDS - Option Groups

The latest update to the Amazon RDS API adds support for option groups. Option groups are currently supported only for the Oracle DB engine. The first option to be supported is Oracle Enterprise Manager Database Control.

For more information, see the full release notes.

Amazon EC2 - VM Export and DescribeInstanceStatus updates

The latest update to the Amazon EC2 API allows you to export Windows Server instances that you originally imported into EC2, and adds timestamps to instance status and system status to indicate the date and time that a status check failed.

For more information, see the full release notes.

Amazon Elastic MapReduce - Updated Hive version constants

The constants for Hive versions in Amazon.ElasticMapReduce.Model.StepFactory.HiveVersion has been updated to include all the latest versions supported by Amazon Elastic MapReduce.

Amazon Storage Gateway - Activation Key Helper

A helper function, AmazonStorageGatewayUtil.GetActivationKey, has been added to assist with retrieval of an activation key for a storage gateway given the gateway's address. The default implementation retries for 5 times with a maximum wait between attempts of 30 seconds. An override allows you to specify a custom number of retries and maximum wait period.

Known Issues

Issue Description
Installation Requires Administrator Privileges The default install location is %PROGRAMFILES%, which on most computers is "c:\program files". In order to install files to the default location, the MSI must be run by an Administrator. If you don't have Administrator privileges on the machine, please change the install location to something like "c:\Documents and Settings\\AWS SDK for .NET", and the install will complete successfully. If you are running on Vista, your personal folder is similar to "c:\users\\".
Uninstalling the SDK Produces "Unknown Publisher" Message On Windows Vista, uninstalling the MSI results in an "Unknown Publisher" dialog even though the installer is signed by Amazon Web Services. This is a known Windows Installer bug on Windows Vista, and is documented here:

Supported API Versions

This release of the SDK supports the following API versions:

Service API Version
Amazon CloudFront 2012-03-15
Amazon CloudSearch 2011-02-01
Amazon CloudWatch 2010-08-01
Amazon DynamoDB 2011-12-05
Amazon Elastic Compute Cloud 2012-05-01
Amazon Elastic MapReduce 2009-03-31
Amazon ElastiCache 2012-03-09
Amazon Relational Database Service 2012-01-15
Amazon Simple Email Service 2010-12-01
Amazon Simple Notification Service 2010-03-31
Amazon Simple Queue Service 2011-10-01
Amazon Simple Storage Service 2006-03-01
Amazon Simple Workflow Service 2012-01-25
Amazon SimpleDB 2009-04-15
Auto Scaling 2011-01-01
AWS CloudFormation 2010-05-15
AWS Elastic Beanstalk 2010-12-01
AWS Identity and Access Management 2010-05-08
AWS Import/Export 2010-06-01
AWS Route 53 2012-02-29
AWS Security Token Service 2011-06-15
AWS Storage Gateway 2012-03-12
Elastic Load Balancing 2011-11-15
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