5. 添加work节点

# work节点进行初始化操作
可参考笔记kubeadm安装部署章节环境准备、安装容器运行时操作，完成初始化工作

# master节点查询join命令
```bash
[root@master1 ~]# kubeadm token create --print-join-command
kubeadm join 192.168.10.150:6443 --token 8rpbf0.9mzd5aez7tdr36gs --discovery-token-ca-cert-hash sha256:4f8a53db87e99a4f3e8512169b7269ef2e28779e4602c0c3df898c645973c88c
```

# work节点执行join命令
```bash
[root@work4 ~]# kubeadm join 192.168.10.150:6443 --token 8rpbf0.9mzd5aez7tdr36gs --discovery-token-ca-cert-hash sha256:4f8a53db87e99a4f3e8512169b7269ef2e28779e4602c0c3df898c645973c88c
[preflight] Running pre-flight checks
        [WARNING FileExisting-tc]: tc not found in system path
[preflight] Reading configuration from the cluster...
[preflight] FYI: You can look at this config file with 'kubectl -n kube-system get cm kubeadm-config -o yaml'
[kubelet-start] Writing kubelet configuration to file "/var/lib/kubelet/config.yaml"
[kubelet-start] Writing kubelet environment file with flags to file "/var/lib/kubelet/kubeadm-flags.env"
[kubelet-start] Starting the kubelet
[kubelet-start] Waiting for the kubelet to perform the TLS Bootstrap...

This node has joined the cluster:
* Certificate signing request was sent to apiserver and a response was received.
* The Kubelet was informed of the new secure connection details.

Run 'kubectl get nodes' on the control-plane to see this node join the cluster.
```

# master节点查看node信息
```bash
[root@master ~]# kubectl get node
NAME      STATUS   ROLES           AGE    VERSION
master1   Ready    control-plane   15d    v1.27.4
master2   Ready    control-plane   15d    v1.27.4
master3   Ready    control-plane   15d    v1.27.4
work1     Ready    <none>          15d    v1.27.4
work2     Ready    <none>          15d    v1.27.4
work3     Ready    <none>          15d    v1.27.4
work4     Ready    <none>          162m   v1.27.4
```