当我们在master节点、安装部署完docker与Kubernetes / k8s 相关的软件后,并启动(docker,kubelet)后,接下来就是需要对master节点进行初始化操作了
如下,这里笔者使用的版本的为 Kubernetes-v1.23.6,初始化是使用kubeadm init命令,详细的参数如下所示:
[root@k8s-master qq-5201351]# kubeadm init \ > --apiserver-advertise-address 192.18.106.87 \ > --image-repository registry.aliyuncs.com/google_containers \ > --kubernetes-version v1.23.6 \ > --service-cidr=10.96.0.0/12 \ > --pod-network-cidr=10.224.0.0/16
如果没有相关的报错,就算是正常了,命令执行完成后,可以看到一段提示
Your Kubernetes control-plane has initialized successfully! To start using your cluster, you need to run the following as a regular user: mkdir -p $HOME/.kube sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config sudo chown $(id -u):$(id -g) $HOME/.kube/config Alternatively, if you are the root user, you can run: export KUBECONFIG=/etc/kubernetes/admin.conf You should now deploy a pod network to the cluster. Run "kubectl apply -f [podnetwork].yaml" with one of the options listed at: https://kubernetes.io/docs/concepts/cluster-administration/addons/ Then you can join any number of worker nodes by running the following on each as root: kubeadm join 192.18.106.87:6443 --token 8iz44r.cxj5duahe37wsdgq \ --discovery-token-ca-cert-hash sha256:08752ac13ae6f821c44abdf6eb1fa2481777b82d20335e4467829ac20b503e55
根据提示,如果要开始使用k8s cluster,还需要在master节点上执行如下几条命令,这里笔者是使用root用户,所以去掉了sudo,最终命令如下:
mkdir -p $HOME/.kube cp -i /etc/kubernetes/admin.conf $HOME/.kube/config chown $(id -u):$(id -g) $HOME/.kube/config
这样,master节点的初始化,就算是完成了,我们也可以通过kubectl get nodes命令看到k8s集群中的master节点
尊重别人的劳动成果 转载请务必注明出处: https://www.cnblogs.com/5201351/p/17381460.html
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