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README.md

OpenTracing and Jaeger in AWS Lambda Node.js 8.10 Runtime

This is an example of a simple, traced Lambda function using the Jaeger Node.js tracer with SignalFx. See index.js for the example code.

Building and creating a Deployment Package

A Node.js deployment package for AWS Lambda is a .zip file consisting of your project code and any dependencies. To prepare this project and create the deployable archive follow these instructions from this document's parent directory:

$ pwd  # Confirm this is <your_local_path/tracing-examples/aws-lambda/jaeger-nodejs>
$ npm install
$ zip -r my_traced_node_lambda.zip *

The resulting my_traced_node_lambda.zip can be uploaded to S3 or in your browser via the AWS Console during function creation. Register your handler as index.requestHandler and don't forget to set the SIGNALFX_INGEST_URL environment variable to point to your Gateway. You should be able test the application with the following test event:

{
  "queryStringParameters": {
    "choice": "00"
  }
}

The execution result should succeed with a response similar to:

{
  "statusCode": 404,
  "body": "{\"traceId\":\"836e0d4cb9691447\",\"result\":\"You Lost! The ball landed on 29.\",\"choice\":\"00\"}"
}

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