CLI tool for managing functions in AWS Lambda.
Lambkin was designed as a simple tool for simple tasks. Today, it’s difficult to recommend over more functional systems such as Serverless and Apex. Please consider alternatives before getting too involved with Lambkin.
Lambkin is a CLI tool for generating and managing simple functions in AWS Lambda.
Supporting Node.js and Python, Lambkin generates skeleton functions, provides lightweight help for managing dependencies, and does its best to hide the complexity of publishing and running functions in Lambda.
A valid ~/.aws/credentials file. eg.
[default] aws_access_key_id = AKIAUAVOHGHOOWEEYIED aws_secret_access_key = 90kX2Y2bykTH9CpQFHCzN92tukYf26
… or the equivalent environment variables (AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY).
A working virtualenv command if you will be writing Lambda functions in Python.
- pip install lambkin
Create a new Python function from a basic template
lambkin create cool-func cd cool-func $EDITOR cool-func.py
…or a maybe you prefer Node.js
lambkin create cool-func --runtime=nodejs cd cool-func $EDITOR cool-func.js
Install packages and dependencies for a Python function
$EDITOR requirements.txt lambkin build
Install packages and dependencies for a Node.js function
$EDITOR Makefile lambkin build
Bundle up your function (with libraries) and send it to Lambda
lambkin publish --description 'The best function ever.'
Increase the timeout for a long-running function
lambkin publish --description 'Slow' --timeout=300
Increase the memory allocation for a function
lambkin publish --description 'Big' --memory=1024
Invoke the published function, right now!
Schedule the function to run at regular intervals
lambkin schedule --rate='10 minutes'
Remove the function from Lambda, but keep it locally
Dependencies - pip and npm
Python functions get a requirements.txt file where you can specify dependencies. They will be installed into your function’s virtualenv by lambkin build.
For now, Node.js functions just get a Makefile. Nicer, more Node-ish dependency management is planned for the future.
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