Quick and Dirty Kubernetes

Overview

At times you want to quickly throw up a Kubernetes cluster for some quick test or another. While I do have several Kubernetes clusters on my Homelab once in a while you want to do a quick test or even follow a tutorial to get familiar with this or that tool.

This time I’m using a tool called kind. See the References below to find the link to the site.

Installation

First off you’ll need to have a docker server in order to install the various tools. Next you’ll have to install the kind tool.

# go install sigs.k8s.io/kind@v0.17.0
go: downloading sigs.k8s.io/kind v0.17.0
go: downloading github.com/spf13/pflag v1.0.5
go: downloading github.com/spf13/cobra v1.4.0
go: downloading github.com/pkg/errors v0.9.1
go: downloading github.com/alessio/shellescape v1.4.1
go: downloading github.com/mattn/go-isatty v0.0.14
go: downloading golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c
go: downloading github.com/pelletier/go-toml v1.9.4
go: downloading github.com/BurntSushi/toml v1.0.0
go: downloading github.com/evanphx/json-patch/v5 v5.6.0
go: downloading gopkg.in/yaml.v3 v3.0.1
go: downloading sigs.k8s.io/yaml v1.3.0
go: downloading gopkg.in/yaml.v2 v2.4.0
go: downloading github.com/google/safetext v0.0.0-20220905092116-b49f7bc46da2

Once kind is installed, start up your test cluster. Note that kind is installed off your home directory in the go/bin directory. Either add it to your path or add it to the command.

# go/bin/kind create cluster --name nginx-ingress --image kindest/node:v1.23.5
Creating cluster "nginx-ingress" ...
 ✓ Ensuring node image (kindest/node:v1.23.5) 🖼
 ✓ Preparing nodes 📦
 ✓ Writing configuration 📜
 ✓ Starting control-plane 🕹️
 ✓ Installing CNI 🔌
 ✓ Installing StorageClass 💾
Set kubectl context to "kind-nginx-ingress"
You can now use your cluster with:

kubectl cluster-info --context kind-nginx-ingress

Thanks for using kind! 😊

See if the cluster is up.

# kubectl get nodes
NAME                          STATUS   ROLES                  AGE     VERSION
nginx-ingress-control-plane   Ready    control-plane,master   3m21s   v1.23.5

And it’s ready to be used. Pretty interesting.

References

• https://kind.sigs.k8s.io/