kind快速部署k8s测试集群（在docker中运行）_kind 部署测试服务-优快云博客

本文档详细介绍了如何在CentOS7.9系统上安装Docker 20.10.10和kubectl 1.22.3，并通过Kind创建一个Kubernetes集群，apiserver监听地址为10.1.1.10。接着，展示了如何部署nginx应用到集群中，通过kubectl进行管理和访问。最后，提供了卸载集群的步骤。

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IP

10.1.1.10

系统版本

CentOS 7.9.2009

docker版本

20.10.10, build b485636

安装Docker

yum install -y wget && wget https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo -O /etc/yum.repos.d/docker-ce.repo
yum -y install docker-ce-20.10.10-3.el7
systemctl enable docker && systemctl start docker
docker --version

安装kubectl

cat > /etc/yum.repos.d/kubernetes.repo << EOF
[kubernetes]
name=Kubernetes
baseurl=https://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64
enabled=1
gpgcheck=0
repo_gpgcheck=0
gpgkey=https://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg https://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg
EOF

yum install -y kubectl-1.22.3

下载kind

curl -sLo ./kind https://kind.sigs.k8s.io/dl/v0.8.1/kind-$(uname)-amd64
chmod +x ./kind
mv ./kind /bin/

编写配置文件，注意修改apiserver监听地址

cat > kind.yaml << EOF
kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
networking:
  apiServerAddress: "10.1.1.10"
containerdConfigPatches:
- |-
  [plugins."io.containerd.grpc.v1.cri".registry.mirrors."docker.io"]
    endpoint = ["registry.aliyuncs.com/google_containers"]
EOF

安装cluster

kind create cluster --config kind.yaml

安装好后集群配置文件位置

~/.kube/config

切换 kubectl 集群上下文

kubectl cluster-info --context kind-kind

部署nginx

cat > nginx.yaml << EOF
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: nginx
  name: nginx
spec:
  replicas: 1
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx
---
apiVersion: v1
kind: Service
metadata:
  name: nginx
spec:
  ports:
  - name: 80-tcp
    port: 80
    protocol: TCP
    targetPort: 80
  selector:
    app: nginx
  type: ClusterIP
EOF

kubectl create -f nginx.yaml

查看

kubectl get pod,svc
kubectl port-forward --address 0.0.0.0 service/nginx 8080:80 &

查看页面

curl -s http://10.1.1.10:8080

删除集群

kind delete cluster