CDK Constructs for AWS SNS to AWS Lambda integration
Project description
aws-sns-lambda module
---Reference Documentation: | https://docs.aws.amazon.com/solutions/latest/constructs/ |
---|
Language | Package |
---|---|
Python | aws_solutions_constructs.aws_sns_lambda |
Typescript | @aws-solutions-constructs/aws-sns-lambda |
Java | software.amazon.awsconstructs.services.snslambda |
This AWS Solutions Construct implements an Amazon SNS connected to an AWS Lambda function.
Here is a minimal deployable pattern definition in Typescript:
# Example automatically generated from non-compiling source. May contain errors.
from aws_solutions_constructs.aws_sns_lambda import SnsToLambda, SnsToLambdaProps
SnsToLambda(self, "test-sns-lambda",
lambda_function_props=FunctionProps(
runtime=lambda_.Runtime.NODEJS_12_X,
handler="index.handler",
code=lambda_.Code.from_asset(f"{__dirname}/lambda")
)
)
Initializer
new SnsToLambda(scope: Construct, id: string, props: SnsToLambdaProps);
Parameters
- scope
Construct
- id
string
- props
SnsToLambdaProps
Pattern Construct Props
Name | Type | Description |
---|---|---|
existingLambdaObj? | lambda.Function |
Existing instance of Lambda Function object, providing both this and lambdaFunctionProps will cause an error. |
lambdaFunctionProps? | lambda.FunctionProps |
User provided props to override the default props for the Lambda function. |
existingTopicObj? | sns.Topic |
Existing instance of SNS Topic object, providing both this and topicProps will cause an error. |
topicProps? | sns.TopicProps |
Optional user provided properties to override the default properties for the SNS topic. |
Pattern Properties
Name | Type | Description |
---|---|---|
lambdaFunction | lambda.Function |
Returns an instance of the Lambda function created by the pattern. |
snsTopic | sns.Topic |
Returns an instance of the SNS topic created by the pattern. |
Default settings
Out of the box implementation of the Construct without any override will set the following defaults:
Amazon SNS Topic
- Configure least privilege access permissions for SNS Topic
- Enable server-side encryption for SNS Topic using AWS managed KMS Key
- Enforce encryption of data in transit
AWS Lambda Function
-
Configure limited privilege access IAM role for Lambda function
-
Enable reusing connections with Keep-Alive for NodeJs Lambda function
-
Enable X-Ray Tracing
-
Set Environment Variables
- AWS_NODEJS_CONNECTION_REUSE_ENABLED (for Node 10.x and higher functions)
Architecture
© Copyright 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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