Cluster KinD

Installiamo kind:

curl -Lo ./kind https://github.com/kubernetes-sigs/kind/releases/download/v0.14.0/kind-linux-amd64 && \
  chmod +x ./kind && \
  sudo mv ./kind /usr/local/bin/kind

Editare il file kind.yml:

vim kind.yml

kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
nodes:
  - role: control-plane
  - role: worker
  - role: worker

Scarico dell'immagine del cluster Kubernetes per Kind:

docker pull kindest/node:v1.24.0

E' una immagine relativamente grossa, impiega del tempo.

Lancio del cluster:

kind create cluster --config kind.yml --image kindest/node:v1.24.0

Creating cluster "kind" ...
 ✓ Ensuring node image (kindest/node:v1.24.0) 🖼 
 ✓ Preparing nodes 📦 📦 📦  
 ✓ Writing configuration 📜 
 ✓ Starting control-plane 🕹️ 
 ✓ Installing CNI 🔌 
 ✓ Installing StorageClass 💾 
 ✓ Joining worker nodes 🚜 
Set kubectl context to "kind-kind"

Impiega qualche minuto. Il cluster è ora pronto.

Informazioni sul cluster:

kubectl cluster-info --context kind-kind

Kubernetes control plane is running at https://127.0.0.1:44391
CoreDNS is running at https://127.0.0.1:44391/api/v1/namespaces/kube-system/services/kube-dns:dns/proxy

Listare i nodi:

kubectl get nodes

NAME                 STATUS   ROLES           AGE     VERSION
kind-control-plane   Ready    control-plane   7m31s   v1.24.0
kind-worker          Ready    <none>          6m22s   v1.24.0
kind-worker2         Ready    <none>          6m22s   v1.24.0

Affinchè tutti i nodi siano pronti può richiedere qualche minuto.