tessl/npm-newrelic

Application Performance Monitoring (APM) agent for Node.js applications with transaction tracing, error tracking, custom metrics, and distributed tracing capabilities.

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Files

AWS Lambda Support

Name: tessl/npm-newrelic
Author: tessl

Serverless monitoring capabilities for AWS Lambda functions with automatic cold start detection.

Capabilities

Set Lambda Handler

Wrap AWS Lambda handler function for serverless monitoring.

/**
 * Wrap AWS Lambda handler for serverless monitoring with automatic transaction management
 * @param {Function} handler - Original Lambda handler function
 * @returns {Function} Wrapped handler with New Relic instrumentation
 */
function setLambdaHandler(handler);

Usage Examples:

const newrelic = require('newrelic');

// Basic Lambda handler wrapping
exports.handler = newrelic.setLambdaHandler((event, context, callback) => {
  // Your Lambda function logic
  const result = processEvent(event);
  callback(null, result);
});

// Async Lambda handler
exports.handler = newrelic.setLambdaHandler(async (event, context) => {
  // Async processing
  const data = await fetchData(event.id);
  const processed = await processData(data);
  
  return {
    statusCode: 200,
    body: JSON.stringify(processed)
  };
});

// Lambda handler with custom attributes
exports.handler = newrelic.setLambdaHandler(async (event, context) => {
  // Add Lambda-specific attributes
  newrelic.addCustomAttributes({
    lambdaRequestId: context.awsRequestId,
    functionName: context.functionName,
    remainingTime: context.getRemainingTimeInMillis()
  });
  
  return processLambdaEvent(event);
});