LayLa

LayLa is a simple Python project to initialize a Lambda layer ready for build and deploy via aws-sam.

Usage

You can use layla.py as a standalone script or via the provided Makefile.

Available make commands:

• init: initialize .layla layer folder
• build: build layer via aws-sam
• deploy: deploy layer via aws-sam
• clean: clean everything built with LayLa

Configuration

You will likely have to change some config variables in config.mk.

Available variables:

• LANGUAGE, interpreter language (default python)
• SCRIPT, script to be executed (default layla.py)
• SAM_CMD, location of aws-sam cmd (default "C:\Program Files\Amazon\AWSSAMCLI\bin\sam.cmd")
• LAYLA_DIR, name of the LayLa build directory (default .layla)
• LAYER_NAME, layer name (default hello_layla)
• CONTENTS, Python libraries to be included in the layer (default pandas pyjanitor)
• STACK_NAME, CloudFormation stack name (default layla-stack)
• S3_BUCKET, s3 bucket in which aws-sam artifacts must be stored (default layla-bucket)
• AWS_REGION, name of aws region (default eu-central-1)

Dependencies

You need make and aws-sam to properly exploit LayLa functionalities.

Credits

Credit for core idea goes to Bryson Tyrrell and this Richard guy.

Authors

• Silvio Lugaro, 2020