/// <summary>
/// This method is called for every Lambda invocation.
/// This method responds to EC2 state change events to apply
/// various operations based on the target EC2 state and the
/// various tags applied.
/// </summary>
/// <param name="ev"></param>
/// <param name="context"></param>
/// <returns></returns>
public async Task <string> FunctionHandler(EC2StateChangeEvent ev, ILambdaContext context)
{
_logger.LogInformation("Got EC2 state change:");
_logger.LogInformation(JsonSerializer.Serialize(ev));
using (_logger.BeginScope(context.AwsRequestId))
{
switch (ev.Detail.State)
{
case EC2StateChangeStates.Pending:
case EC2StateChangeStates.Running:
await HandleInstInit(ev.Detail.InstanceId);
break;
case EC2StateChangeStates.Stopping:
case EC2StateChangeStates.Stopped:
case EC2StateChangeStates.ShuttingDown:
case EC2StateChangeStates.Terminated:
await HandleInstTerm(ev.Detail.InstanceId);
break;
}
}
return(string.Empty);
}
//[Fact]
public async Task TestS3EventLambdaFunction()
{
var reg = RegionEndpoint.USEast1;
IAmazonEC2 ec2 = new AmazonEC2Client(reg);
IAmazonRoute53 r53 = new AmazonRoute53Client(reg);
IAmazonS3 s3 = new AmazonS3Client(reg);
var bucketName = "lambda-VMBot-".ToLower() + DateTime.Now.Ticks;
var key = "text.txt";
// Create a bucket an object to setup a test data.
await s3.PutBucketAsync(bucketName);
try
{
await s3.PutObjectAsync(new PutObjectRequest
{
BucketName = bucketName,
Key = key,
ContentBody = "sample data"
});
// Setup the S3 event object that S3 notifications would create with the fields used by the Lambda function.
var s3Event = new S3Event
{
Records = new List <S3EventNotification.S3EventNotificationRecord>
{
new S3EventNotification.S3EventNotificationRecord
{
S3 = new S3EventNotification.S3Entity
{
Bucket = new S3EventNotification.S3BucketEntity {
Name = bucketName
},
Object = new S3EventNotification.S3ObjectEntity {
Key = key
}
}
}
}
};
var ec2StateChange = new EC2StateChangeEvent
{
};
// Invoke the lambda function and confirm the content type was returned.
var function = new Function(ec2, r53, s3);
// var contentType = await function.FunctionHandler(s3Event, null);
var contentType = await function.FunctionHandler(ec2StateChange, null);
Assert.Equal("text/plain", contentType);
}
finally
{
// Clean up the test data
await AmazonS3Util.DeleteS3BucketWithObjectsAsync(s3, bucketName);
}
}
