LXC

What is this?

Node native bindings to LXC inspired by: https://github.com/mcollina/lxc-native.

Requirements?

Dev Env

This is tested with Ubuntu Jammy with the following packages installed.

• build-essential
• lxc
• liblxc-dev
• nodejs (lts)

A Vagrantfile is provided to spin up a compatible environment using vagrant up

Prod Env

Ubuntu Jammy is recommended and you need the following packages

• lxc
• nodejs (lts)

Usage

Creating a container from a template

// set name and lxc folder
const container = new LxcContainer({
  name: "test",
  lxcPath: "/var/lib/lxc",
});

// fill in rootfs and lxc config file from a template
await container.createFromTemplate({
  distro: "ubuntu",
  release: "focal",
  arch: "arm64",
});

// start the container
await container.start();

// stop the container, time out after 30 seconds
await container.stop(30);

// destroy the container
await container.destory();

List containers

const containers = await LxcContainer.listContainers("/var/lib/lxc");
console.log(containers);
// list of names of the containers

Get state of container

const container = new LxcContainer({
  name: "test",
  lxcPath: "/var/lib/lxc",
});
const state = container.getState();
console.log(state);
// STOPPED, etc

Feature Completion

• Can create containers
• Can start/stop containers
• Can destroy containers
• Can list containers
• Can get container state
• Can manage running container networks
• Can fetch container logs
• Can manage container snapshots
• Can execute commands inside container
• Simplified custom lxc configuration for volume bindings etc when not creating from template\