kraftkit.sh

module

v0.5.2-85-g960b695 Latest Latest Go to latest Published: Jun 9, 2023 License: BSD-3-Clause

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Repository

github.com/unikraft/kraftkit

README ¶

KraftKit 🚀🐒🧰

Latest release

KraftKit provides a suite of tools and Go-based framework for building custom, minimal, immutable lightweight unikernel virtual machines based on Unikraft: a fast, secure and open-source library operating system.

With KraftKit, you can easily leverage Unikraft and manage specialized, high-performance applications at every stage of their lifecycle: from construction to production.

There are many benefits in running your application as a unikernel: for more information about the performance of unikernels 🚀, the added security 🔒 and a positive impact on the environment 🌱 please check out Unikraft's documentation and the introductory chapters on these impacts.

Installation

You can quickly and easily install KraftKit using the interactive installer. Simply run the following command to get started:

curl --proto '=https' --tlsv1.2 -sSf https://get.kraftkit.sh | sh

Alternatively, you can download the binaries from the releases pages.

Container build environment

KraftKit ships a container build environment which you can use instead of installing any dependencies directly on your host. It includes the kraft binary as well as all the additional tools and libraries for building Unikraft unikernels. Simply attach a working directory on your host as a mount path volume mapped to /workspace, e.g.:

docker run -it --rm -v $(pwd):/workspace --entrypoint bash kraftkit.sh/base:latest

The above command will drop you into a container shell. Simply type exit or Ctrl+D to quit.

Quickstart

Building a unikernel with KraftKit is designed to be simple.

Add a Kraftfile to your project directory, which specifies the libraries needed for your unikernel:

specification: v0.5

unikraft: stable

libraries:
  newlib: stable

targets:
  - name: default
    architecture: x86_64
    platform: kvm

You can also add an additional Makefile.uk which specifies any source files:

$(eval $(call addlib,apphelloworld))

APPHELLOWORLD_SRCS-y += $(APPHELLOWORLD_BASE)/main.c

Then it is a case of running:

cd path/to/workdir

kraft pkg update
kraft build

You can run your unikernel using:

kraft run

Support, Community & Meetings

If you have any further questions or need more information about KraftKit or Unikraft, please refer to the official Unikraft documentation or ask for help on the Unikraft community forum.

A KraftKit Working Group (WG) meets every Wednesday at 12:30 PM (CET) on Discord. Invites and additional details are available on the Unikraft OSS Public calendar.

License

KraftKit is part of the Unikraft OSS Project and licensed under BSD-3-Clause.

Directories ¶

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Path	Synopsis
api SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
machine SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
machine/v1alpha1 SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
archive SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
cmd
kraft SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
kraft/build SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
kraft/clean
kraft/events SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
kraft/fetch SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
kraft/login SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
kraft/logs SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
kraft/menu SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
kraft/pkg SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
kraft/pkg/list SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
kraft/pkg/pull SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
kraft/pkg/source SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
kraft/pkg/unsource Package unsource implements the `kraft pkg unsource` command	Package unsource implements the `kraft pkg unsource` command
kraft/pkg/update SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
kraft/prepare SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
kraft/properclean
kraft/ps SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
kraft/rm SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
kraft/run SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
kraft/set
kraft/stop SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
kraft/unset
kraft/version SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
cmdfactory SPDX-License-Identifier: MIT Copyright (c) 2019, 2019 GitHub Inc.	SPDX-License-Identifier: MIT Copyright (c) 2019, 2019 GitHub Inc.
config SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
exec SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
initrd SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
internal
cli SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
errs SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
findsh
ghrepo
httpclient
httpunix package httpunix provides an http.RoundTripper which dials a server via a unix socket.	package httpunix provides an http.RoundTripper which dials a server via a unix socket.
retrytimeout
run
set
tableprinter
text
update SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
version SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
waitgroup The internal `waitgroup` package is a generic which provides a synchronization lock to read observe a list of provided entities.	The internal `waitgroup` package is a generic which provides a synchronization lock to read observe a list of provided entities.
iostreams SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
kconfig
log SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
machine
name SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
platform SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
qemu SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
qemu/qmp
qemu/qmp/v1alpha
store SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
make SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
manifest SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
oci SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
handler SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
pack SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
packmanager SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
plugins
schema
test
e2e/framework/cmd
e2e/framework/config Package config provides facilities for manipulating kraftkit configuration files on the local filesystem.	Package config provides facilities for manipulating kraftkit configuration files on the local filesystem.
e2e/framework/matchers Package matchers contains additional Gomega matchers.	Package matchers contains additional Gomega matchers.
tools
dockerfile-llb-frontend Module
github-action Module
go-generate-qemu-devices Module
protoc-gen-go-netconn Module
tui SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
paraprogress SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
processtree SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
unikraft SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
app SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
arch SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
component SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
core SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
export/v0/ukargparse SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
lib SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
plat SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
target SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
template SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.	SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
utils