Skandh Gupta

Skandh Gupta started this conversation 9 months ago.

How do I use AWS SDK C++ XRay in an AWS Lambda Layer implemented in C++ called by a Lambda function in Python?

How do I use the AWS SDK C++ XRay in an AWS Lambda Layer implemented in C++, and how can I call this layer from a Lambda function written in Python?

codecool

Posted 9 months ago

To use the AWS SDK C++ XRay in an AWS Lambda Layer implemented in C++ and call this layer from a Lambda function written in Python, follow these steps:

Step 1: Create the Lambda Layer with AWS SDK C++ XRay Set Up Your Development Environment: Ensure you have the AWS SDK for C++ and XRay installed on your local machine.

Create a C++ Lambda Layer:

Write your C++ code that uses the AWS SDK XRay for tracing.

Compile your C++ code into a shared library (e.g., .so file for Linux).

Package the shared library and any dependencies into a .zip file.

Step 2: Upload the Lambda Layer Upload the Layer to AWS Lambda:

Go to the AWS Lambda console.

Navigate to the Layers section and create a new layer.

Upload the .zip file containing your C++ shared library.

Step 3: Create the Python Lambda Function Create a New Lambda Function:

Go to the AWS Lambda console and create a new Lambda function.

Choose the Python runtime (e.g., Python 3.8 or 3.9).

Step 4: Add the Lambda Layer to Your Python Function Attach the Layer:

In the Lambda function configuration, add the layer you created earlier.

Ensure the layer is added correctly by verifying the layer ARN.

Step 5: Call the C++ Code from Python Use a Foreign Function Interface (FFI):

Use a library like ctypes or cffi in Python to call the C++ shared library functions from your Python Lambda function.

Ensure that the shared library is accessible within the Lambda execution environment.