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2025-03-17 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Servers >
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This article mainly shows you "how to use kind to build k8s clusters". The content is simple and easy to understand and organized. I hope it can help you solve your doubts. Let Xiaobian lead you to study and learn this article "how to use kind to build k8s clusters".
1 Create a k8s single-node cluster
1.1 creating a cluster
# kind create cluster --name k8s-single-node-cluster
1.2 View cluster information
# export KUBECONFIG="$(kind get kubeconfig-path --name="k8s-single-node-cluster")"
# echo $KUBECONFIG
# kubectl cluster-info
1.3 View cluster node information
# kubectl get nodes
1.4 View cluster component information
# kubectl get cs
1.5 Create deployments and pods
# kubectl run nginx --image=nginx:1.14-alpine --replicas=2
1.6 View pod information
# kubectl get pods
2 Create k8s multi-node cluster (1 master 1 worker)
2.1 Writing a multi-node cluster configuration file
# touch /opt/kind/config/k8s-multi-nodes-cluster.yaml
The document reads as follows:
kind: Cluster
apiVersion: kind.sigs.k8s.io/v1alpha3
nodes:
- role: control-plane
- role: worker
2.2 Create a multi-node cluster
# kind create cluster --config ./ k8s-multi-nodes-cluster.yaml --name k8s-multi-nodes-cluster
2.3 Set up and get multi-node cluster information
# export KUBECONFIG="$(kind get kubeconfig-path --name="k8s-multi-nodes-cluster")"
# kubectl cluster-info
2.4 View multi-node cluster information
# kubectl get nodes
3 Create HA high availability k8s cluster (multiple masters, multiple workers)
3.1 Writing a High Availability Cluster Profile
# touch /opt/kind/config/k8s-ha-cluster.yaml
The document reads as follows:
#Four nodes, two control-plane nodes, two workers nodes
kind: Cluster
apiVersion: kind.sigs.k8s.io/v1alpha3
kubeadmConfigPatches:- |
apiVersion: kubeadm.k8s.io/v1beta2
kind: ClusterConfiguration
metadata:
name: config
networking: serviceSubnet: 10.8.0.0/16
imageRepository: registry.aliyuncs.com/google_containers
nodeRegistration:
kubeletExtraArgs:
pod-infra-container-image: registry.aliyuncs.com/google_containers/pause:3.1
- |
apiVersion: kubeadm.k8s.io/v1beta2
kind: InitConfiguration
metadata: name: config
networking:
serviceSubnet: 10.8.0.0/16
imageRepository: registry.aliyuncs.com/google_containers
nodes:
- role: control-plane
- role: control-plane
- role: worker
- role: worker
3.2 Creating a High Availability Cluster
# kind create cluster --config ./ k8s-ha-cluster.yaml --name k8s-ha-cluster
3.3 Set up and get high availability cluster information
# export KUBECONFIG="$(kind get kubeconfig-path --name="k8s-ha-cluster")"
# kubectl cluster-info
3.4 View high availability cluster information
# kubectl get nodes
4 Delete clusters
# kind delete cluster --name k8s-single-node-cluster
Also note that clearing environment variables:
# unset KUBECONFIG
The above is "how to use kind to build k8s cluster" all the content of this article, thank you for reading! I believe that everyone has a certain understanding, hope to share the content to help everyone, if you still want to learn more knowledge, welcome to pay attention to the industry information channel!
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