安装Kubernetes

详情参考：https://www.kubesphere.io/zh/docs/v4.1/03-installation-and-upgrade/02-install-kubesphere/02-install-kubernetes-and-kubesphere/

  • 安装依赖项 

    
- 下载kubekey   

    ```shell
        export KKZONE=cn
        curl -sfL https://get-kk.kubesphere.io | sh -
        sudo chmod +x kk
        
    ```



- 创建集群   
    配置文件参考：https://github.com/kubesphere/kubekey/blob/master/docs/config-example.md
    ```yaml
            
        apiVersion: kubekey.kubesphere.io/v1alpha2
        kind: Cluster
        metadata:
          name: sample
        spec:
          hosts:
          - {name: node1, address: 192.168.6.74, internalAddress: 192.168.6.74, user: root, password: "Redsun888@"}
          - {name: node2, address: 192.168.6.57, internalAddress: 192.168.6.57, user: root, password: "Redsun888@"}
          roleGroups:
            etcd:
            - node1
            control-plane:
            - node1
            worker:
            - node1
            - node2
          controlPlaneEndpoint:
            ## Internal loadbalancer for apiservers
            # internalLoadbalancer: haproxy
        
            domain: lb.kubesphere.local
            address: ""
            port: 6443
          kubernetes:
            version: v1.23.17
            clusterName: cluster.local
            autoRenewCerts: true
            containerManager: docker
          etcd:
            type: kubekey
          network:
            plugin: calico
            kubePodsCIDR: 10.233.64.0/18
            kubeServiceCIDR: 10.233.0.0/18
            ## multus support. https://github.com/k8snetworkplumbingwg/multus-cni
            multusCNI:
              enabled: false
          registry:
            privateRegistry: ""
            namespaceOverride: ""
            registryMirrors: []
            insecureRegistries: []
          addons: []
    ```
    
     ```
        ./kk create config --with-kubernetes <Kubernetes version>
        ./kk create cluster -f node-k8s.yaml
        开始下载依赖的二进制、镜像和组件，都保存在当前目录的kubekey下面.
        时间较长，完成以后，执行 kubectl get pod -A 查看是否安装成功。
    ```
    
    
- 新增节点   
   编辑配置文件，将新的节点写入到配置文件中，并确定是worker还是master等。
   然后执行新增命令
    ./kk add nodes -f multi-node-k8s.yaml

    ```

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