jvoorhis / osbuilder

Kata Containers guest OS building scripts

Overview

Kata Containers runtime creates a Virtual Machine to isolate a set of container workloads. The Virtual Machine requires a operating system operating (Guest OS) to boot and create containers inside the guest environment.

This repository contains tools to create a Guest OS for Kata Containers.

Terms

This section describe the terms used as along all this document.

• Guest OS

It is the collection of a virtual disk or disk image and kernel that in conjunction work as an operating system and it is different than the host operating system.

• Virtual disk or Guest Image

It is a virtual disk witch contains a rootfs that will be used to boot a Virtual Machine by for the Kata Containers runtime.

• rootfs

The root filesystem or rootfs is the filesystem that is contained in the guest root directory. It can be built from any Linux Distribution but must provide at least the following components: - Kata agent - A init system (for example systemd) witch allow to start Kata agent at boot time.