k8s 命令

官网：

https://kubernetes.io/zh/docs/home/

 

获取kubeadm join参数：kubeadm token create --print-join-command

[root@k8s-node-vm0meu-32oinbfbix ~]#  kubectl cluster-info
Kubernetes master is running at https://114.67.245.123:6443
KubeDNS is running at https://114.67.245.123:6443/api/v1/namespaces/kube-system/services/kube-dns:dns/proxy
Metrics-server is running at https://114.67.245.123:6443/api/v1/namespaces/kube-system/services/https:metrics-server:/proxyh获取

 获取secret中的值

echo Password : $(kubectl get secret --namespace middlewares elastic-credentials -o jsonpath="{.data.password}" | base64 --decode)

 注解

Nginx.ingress.kubernetes.io/proxy-body-size: 512m
Nginx.ingress.kuberneters.io/proxy-buffer-size: 16k

 

下线节点
kubectl cordon <NODE_NAME>

节点下线以后，将该节点上的Pod迁移至其他节点
kubectl drain <NODE_NAME> --ignore-daemonsets --delete-local-data --force