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Lambdo

Lambdo logo

Lambdo

A Serverless runtime in Rust

What is Lambdo?

Lambdo is a Serverless runtime in Rust, which is inspired by AWS Lambda. It's aim is to provide a simple and fast way to run the code on Polycode platform.

How to use it?

The first step is to compile all the necessary stuff to run the code. To do so, you need :

  • A Linux kernel (>= 4.14) complied without initramfs bundled but with the lzma compression support.
  • Build the initramfs with the initramfs folder in this repository including the sdk of the language you want to use and a working init script.
  • Create a configuration file for lambdo see the example in examples/node/config.yaml.

You MUST have to install KVM on your machine to run the runtime.

To start the runtime, you need to run the lambdo binary with the configuration file as argument :

$ lambdo --config /path/to/config.yaml

or use Docker image :

$ docker run -it --privileged -p 3000:3000 \
  -v /path/to/config:/etc/lambdo/config.yaml \
  -v /path/to/initramfs:/var/lib/lambdo/initramfs \
  -v /path/to/kernel:/var/lib/lambdo/kernel/vmlinux.bin \
  faastrt/lambdo

If you want to run lambdo for a test, you can use the docker-compose file that will use the examples/node folder as configuration folder.

$ docker-compose up

# then you can run the following command to call the runtime
$ curl --location 'http://127.0.0.1:3000/run' \
  --header 'Content-Type: application/json' \
  --data '{
      "language": "NODE",
      "version": "1.0.0",
      "input": "",
      "code": [{
          "filename": "main.js",
          "content": "console.log('\''Hello World!'\'')"
      }]
  }'

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

Please make sure to update tests as appropriate and follow Angular instruction for commit name (here).