aws-cdk-lib.aws_cloudfront.LambdaEdgeEventType

LambdaEdgeEventType Enum

The type of events that a Lambda@Edge function can be invoked in response to.

Source

aws-cloudfront/lib/distribution.ts

Example

// A Lambda@Edge function added to default behavior of a Distribution
// and triggered on every request
const myFunc = new cloudfront.experimental.EdgeFunction(this, 'MyFunction', {
  runtime: lambda.Runtime.NODEJS_LATEST,
  handler: 'index.handler',
  code: lambda.Code.fromAsset(path.join(__dirname, 'lambda-handler')),
});

declare const myBucket: s3.Bucket;
new cloudfront.Distribution(this, 'myDist', {
  defaultBehavior: {
    origin: new origins.S3Origin(myBucket),
    edgeLambdas: [
      {
        functionVersion: myFunc.currentVersion,
        eventType: cloudfront.LambdaEdgeEventType.VIEWER_REQUEST,
      }
    ],
  },
});

# my_bucket: s3.Bucket
# A Lambda@Edge function added to default behavior of a Distribution
# and triggered on every request
my_func = cloudfront.experimental.EdgeFunction(self, "MyFunction",
    runtime=lambda_.Runtime.NODEJS_LATEST,
    handler="index.handler",
    code=lambda_.Code.from_asset(path.join(__dirname, "lambda-handler"))
)
cloudfront.Distribution(self, "myDist",
    default_behavior=cloudfront.BehaviorOptions(
        origin=origins.S3Origin(my_bucket),
        edge_lambdas=[cloudfront.EdgeLambda(
            function_version=my_func.current_version,
            event_type=cloudfront.LambdaEdgeEventType.VIEWER_REQUEST
        )
        ]
    )
)

Bucket myBucket;
// A Lambda@Edge function added to default behavior of a Distribution
// and triggered on every request
EdgeFunction myFunc = EdgeFunction.Builder.create(this, "MyFunction")
        .runtime(Runtime.NODEJS_LATEST)
        .handler("index.handler")
        .code(Code.fromAsset(join(__dirname, "lambda-handler")))
        .build();
Distribution.Builder.create(this, "myDist")
        .defaultBehavior(BehaviorOptions.builder()
                .origin(new S3Origin(myBucket))
                .edgeLambdas(List.of(EdgeLambda.builder()
                        .functionVersion(myFunc.getCurrentVersion())
                        .eventType(LambdaEdgeEventType.VIEWER_REQUEST)
                        .build()))
                .build())
        .build();

// Install: dotnet add package Amazon.CDK.Lib
Bucket myBucket;
// A Lambda@Edge function added to default behavior of a Distribution
// and triggered on every request
var myFunc = new Experimental.EdgeFunction(this, "MyFunction", new EdgeFunctionProps {
    Runtime = Runtime.NODEJS_LATEST,
    Handler = "index.handler",
    Code = Code.FromAsset(Join(__dirname, "lambda-handler"))
});
new Distribution(this, "myDist", new DistributionProps {
    DefaultBehavior = new BehaviorOptions {
        Origin = new S3Origin(myBucket),
        EdgeLambdas = new [] { new EdgeLambda {
            FunctionVersion = myFunc.CurrentVersion,
            EventType = LambdaEdgeEventType.VIEWER_REQUEST
        } }
    }
});

// Install: go get github.com/aws/aws-cdk-go/awscdk/v2
var myBucket Bucket
// A Lambda@Edge function added to default behavior of a Distribution
// and triggered on every request
myFunc := experimental.NewEdgeFunction(this, jsii.String("MyFunction"), &EdgeFunctionProps{
	Runtime: lambda.Runtime_NODEJS_LATEST(),
	Handler: jsii.String("index.handler"),
	Code: lambda.Code_FromAsset(path.join(__dirname, jsii.String("lambda-handler"))),
})
cloudfront.NewDistribution(this, jsii.String("myDist"), &DistributionProps{
	DefaultBehavior: &BehaviorOptions{
		Origin: origins.NewS3Origin(myBucket),
		EdgeLambdas: []EdgeLambda{
			&EdgeLambda{
				FunctionVersion: myFunc.currentVersion,
				EventType: cloudfront.LambdaEdgeEventType_VIEWER_REQUEST,
			},
		},
	},
})

Members

Member	Description
ORIGIN_REQUEST	The origin-request specifies the request to the origin location (e.g. S3).
ORIGIN_RESPONSE	The origin-response specifies the response from the origin location (e.g. S3).
VIEWER_REQUEST	The viewer-request specifies the incoming request.
VIEWER_RESPONSE	The viewer-response specifies the outgoing response.

Referenced by

• EdgeLambda.eventTypeevent_typeeventTypeEventTypeEventType
• LambdaFunctionAssociation.eventTypeevent_typeeventTypeEventTypeEventType