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changes.mady.by.user Jason Wides

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New agent implementation to support FAAS on AWS Lambda based on the node v8 engine.

Support Model

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Pre Requisites

AWS lambda functions are small and short pieces of code that is invoked by calling to an http endpoint.

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Code Block
npx slnodejs config --tokenfile sltoken.txt --appName "AWS Lambda" --branch "master" --build 3
npx slnodejs scan --workspacepath ./src --tokenfile sltoken.txt --buildsessionidfile buildSessionId --scm none --awsConfigure
npx slnodejs start --tokenfile sltoken.txt --buildsessionidfile buildSessionId --teststage "Sealights on Lambda"

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Code Block
service: aws-node-http-api-project

provider:
  name: aws
  vpc:
    securityGroupIds:
      - sg-965602ef
    subnetIds:
      - subnet-028c8368058b24e21
  region: eu-west-1
  runtime: nodejs16.x

functions:
  api-normal:
    handler: ./src/test-lambda-1/index.handler
    events:
      - httpApi:
          path: /default
          method: get
# START - SL addition
    layers:
      - arn:aws:lambda:eu-west-1:159616352881:layer:sl-nodejs-layer:44
# END - SL addition

resources:
  Resources:
    MyLambdaExecutionRole:
      Type: AWS::IAM::Role
      Properties:
        RoleName: MyLambdaExecutionRole
        AssumeRolePolicyDocument:
          Version: '2012-10-17'
          Statement:
            - Effect: Allow
              Principal:
                Service: lambda.amazonaws.com
              Action: sts:AssumeRole
        Policies:
          - PolicyName: LambdaVPCAccessPolicy
            PolicyDocument:
              Version: '2012-10-17'
              Statement:
                - Effect: Allow
                  Action:
                    - logs:CreateLogStream
                    - logs:CreateLogGroup
                    - logs:TagResource
                  Resource:
                    - "arn:aws:logs:eu-west-1:534369319675:log-group:/aws/lambda/aws-node-http-api-project-dev*:*"
                - Effect: Allow
                  Action:
                    - logs:PutLogEvents
                  Resource:
                    - "arn:aws:logs:eu-west-1:534369319675:log-group:/aws/lambda/aws-node-http-api-project-dev*:*"
                - Effect: Allow
                  Action:
                    - lambda:InvokeFunction
                  Resource: "*"
                - Effect: Allow
                  Action:
                    - ec2:CreateNetworkInterface
                  Resource: "*"

Special Considerations

Support for Additional Layers:

  • Currently, using other layers with SeaLights layer is supported only for:

    • Dynatrace (AWS_LAMBDA_EXEC_WRAPPER=/opt/dynatrace)

    • OTEL (AWS_LAMBDA_EXEC_WRAPPER:/opt/otel-handler)

  • If you are using the Dynatrace or OTEL handlers, the SL layer will automatically detect this and work with it.

  • When you do not want SeaLights Lambda Layer to run OTEL layer, you must explicitly disable it with DISABLE_OTEL_HANDLER=true

  • When you do not want SeaLights Lambda Layer to run Dynatrace layer, you must explicitly disable it with DISABLE_DYNATRACE=true