normalize CLI

Please see Our Documentation for more in-depth installation etc.

kind is a tool for running local Kubernetes clusters using Docker container "nodes". kind was primarily designed for testing Kubernetes itself, but may be used for local development or CI.

If you have go 1.16+ and docker, podman or nerdctl installed go install sigs.k8s.io/[email protected] && kind create cluster is all you need!

kind consists of:

Go packages implementing cluster creation, image build, etc.
A command line interface (kind) built on these packages.
Docker image(s) written to run systemd, Kubernetes, etc.
kubetest integration also built on these packages (WIP)

kind bootstraps each "node" with kubeadm. For more details see the design documentation.

NOTE: kind is still a work in progress, see the 1.0 roadmap.

Installation and usage

For a complete install guide see the documentation here.

You can install kind with go install sigs.k8s.io/[email protected].

NOTE: please use the latest go to do this. KIND is developed with the latest stable go, see .go-version for the exact version we're using.

This will put kind in $(go env GOPATH)/bin. If you encounter the error kind: command not found after installation then you may need to either add that directory to your $PATH as shown here or do a manual installation by cloning the repo and run make build from the repository.

Without installing go, kind can be built reproducibly with docker using make build.

Stable binaries are also available on the releases page. Stable releases are generally recommended for CI usage in particular. To install, download the binary for your platform from "Assets" and place this into your $PATH:

On Linux:

# For AMD64 / x86_64
[ $(uname -m) = x86_64 ] && curl -Lo ./kind https://kind.sigs.k8s.io/dl/v0.22.0/kind-$(uname)-amd64
# For ARM64
[ $(uname -m) = aarch64 ] && curl -Lo ./kind https://kind.sigs.k8s.io/dl/v0.22.0/kind-$(uname)-arm64
chmod +x ./kind
sudo mv ./kind /usr/local/bin/kind

On macOS via Homebrew:

brew install kind

On macOS via MacPorts:

sudo port selfupdate && sudo port install kind

On macOS via Bash:

# For Intel Macs
[ $(uname -m) = x86_64 ] && curl -Lo ./kind https://kind.sigs.k8s.io/dl/v0.22.0/kind-darwin-amd64
# For M1 / ARM Macs
[ $(uname -m) = arm64 ] && curl -Lo ./kind https://kind.sigs.k8s.io/dl/v0.22.0/kind-darwin-arm64
chmod +x ./kind
mv ./kind /some-dir-in-your-PATH/kind

On Windows:

curl.exe -Lo kind-windows-amd64.exe https://kind.sigs.k8s.io/dl/v0.22.0/kind-windows-amd64
Move-Item .\kind-windows-amd64.exe c:\some-dir-in-your-PATH\kind.exe

# OR via Chocolatey (https://chocolatey.org/packages/kind)
choco install kind

To use kind, you will need to install docker. Once you have docker running you can create a cluster with:

kind create cluster

To delete your cluster use:

kind delete cluster

To create a cluster from Kubernetes source:

ensure that Kubernetes is cloned in $(go env GOPATH)/src/k8s.io/kubernetes
build a node image and create a cluster with:

kind build node-image
kind create cluster --image kindest/node:latest

Multi-node clusters and other advanced features may be configured with a config file, for more usage see the docs or run kind [command] --help

Community

Please reach out for bugs, feature requests, and other issues! The maintainers of this project are reachable via:

Kubernetes Slack in the #kind channel
filing an issue against this repo
The Kubernetes SIG-Testing Mailing List

Current maintainers are @aojea and @BenTheElder - feel free to reach out if you have any questions!

Pull Requests are very welcome! If you're planning a new feature, please file an issue to discuss first.

Check the issue tracker for help wanted issues if you're unsure where to start, or feel free to reach out to discuss. 🙂

See also: our own contributor guide and the Kubernetes community page.

Why kind?

kind supports multi-node (including HA) clusters
kind supports building Kubernetes release builds from source
- support for make / bash or docker, in addition to pre-published builds
kind supports Linux, macOS and Windows
kind is a CNCF certified conformant Kubernetes installer

Code of conduct

Participation in the Kubernetes community is governed by the Kubernetes Code of Conduct.

	func (c *BuildContext) populateBits(buildDir string) error {
	// always create bits dir
	bitsDir := path.Join(buildDir, "bits")
	if err := os.Mkdir(bitsDir, 0777); err != nil {
	return errors.Wrap(err, "failed to make bits dir")
	}
	// copy all bits from their source path to where we will COPY them into
	// the dockerfile, see images/node/Dockerfile
	bitPaths := c.bits.Paths()
	for src, dest := range bitPaths {
	realDest := path.Join(bitsDir, dest)
	// NOTE: we use copy not copyfile because copy ensures the dest dir
	if err := fs.Copy(src, realDest); err != nil {
	return errors.Wrap(err, "failed to copy build artifact")
	}
	}
	return nil
	}

	for i, image := range requiredImages {
	if !builtImages.Has(image) {
	fmt.Printf("Pulling: %s\n", image)
	err := docker.Pull(image, 2)
	if err != nil {
	return err
	}
	// TODO(bentheelder): generate a friendlier name
	pullName := fmt.Sprintf("%d.tar", i)
	pullTo := fmt.Sprintf("%s/bits/images/%s", dir, pullName)
	err = docker.Save(image, pullTo)
	if err != nil {
	return err
	}
	movePulled = append(movePulled, fmt.Sprintf("/build/bits/images/%s", pullName))
	}
	}

	# NOTE: 17.03 is officially supported by Kubernetes currently, so we pin to that.
	# https://kubernetes.io/docs/tasks/tools/install-kubeadm/
	ARG DOCKER_VERSION="17.03.2~ce-0~debian-stretch"

kubernetes-sigs / kind Goto Github PK

kind's Introduction

Please see Our Documentation for more in-depth installation etc.

Installation and usage

Community

Why kind?

Code of conduct

kind's People

Contributors

Stargazers

Watchers

Forkers

kind's Issues

Possible solution

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