单纯的强制重启：

#cat restartall.sh

#!/bin/bash
nodes=$(kubectl get nodes  | awk   'NR != 1{print $1}')
for node in ${nodes[@]}
do
echo "==== Shut down $node ===="
#ssh $node sudo shutdown -h 1
ssh $node  shutdown -r +1  #1分钟后重启
done