Amazon Web Services SDK for Salesforce Apex

The AWS SDK for Salesforce makes it easy for developers to access Amazon Web Services in their Apex code, and build robust applications and software using services like Amazon S3, Amazon EC2, etc. You can get started in minutes:

Amazon Simple Storage Service (S3) SDK

S3 is storage for the Internet. The Apex client gives you a kind of proxy for manipulating both buckets and contents. You can create and destroy objects, and presign a download URL, given the bucket name and the object key.

Sign up then go to your AWS Console > Security Credentials > Access Keys:

AwsSdk.Connector connector = new AwsSdk.Connector(access, secret);

Creating a bucket:

AwsSdk.S3 s3 = connector.s3(region);
String name = 'thebucket';

Adding an object to a bucket:

AwsSdk.S3.Bucket bucket = connector.s3(region).bucket('thebucket');
Map<String,String> headers = new Map<String,String>{'Content-Type' => 'text/plain'};
bucket.createContent('foo.txt', headers, Blob.valueOf('bar'));

Viewing an object:

AwsSdk.S3.Content content = connector.s3(region).bucket('thebucket').content('foo.txt');
HttpRequest request = content.presign();
String url = request.getEndpoint();

Amazon Elastic Cloud Compute (EC2) SDK

EC2 provides scalable computing capacity in the cloud. The Apex client calls services to launch instances, terminate instances, etc. The API responds synchronously, but bear in mind that the the instance state transitions take time.

Describing running instances:

AwsSdk.Ec2 ec2 = new AwsSdk.Connector(access, secret).ec2(region);
AwsSdk.Ec2.DescribeInstancesRequest request = new AwsSdk.Ec2.DescribeInstancesRequest();

Launching a new instance:

AwsSdk.Ec2.RunInstancesRequest request = new AwsSdk.Ec2.RunInstancesRequest();
request.imageId = 'ami-08111162'; //amazon linux machine image

Terminating an existing instance:

AwsSdk.Ec2.TerminateInstancesRequest request = new AwsSdk.Ec2.TerminateInstancesRequest();
request.InstanceId = new List<String>{'i-aaaabbbb'};

Salesforce design considerations

When interacting with the AWS offerings, we encounter a few variations: signature vs transport, request vs response formats, REST vs SOAP oriented, etc. To maximize developer confidence, we use strongly typed DTO for request and response where appropriate. As the API footprint increases to consume more services, you can lean on a few utilities:

Where supported, we use region-agnostic API endpoints to avoid proliferation of Remote Site Settings. It would be prudent to store your access keys and secret credentials in a Protected Custom Setting.

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