k8s升级

1.查看可升级的列表

yum list --showduplicates kubeadm --disableexcludes=kubernetes

 

2.验证升级计划

kubeadm version

kubeadm upgrade plan

 

3.升级

yum install -y kubeadm-1.24.3-0 --disableexcludes=kubernetes

kubeadm upgrade apply v1.24.3（输入yes）

yum install -y kubelet-1.24.3-0

yum install -y kubectl-1.24.3-0

#升级节点1

kubectl cordon node01

kubectl drain node01 --ignore-daemonsets

yum install -y kubelet-1.24.3-0

yum install -y kubectl-1.24.3-0

systemctl daemon-reload 
systemctl restart kubelet

kubectl uncordon node01

#升级节点2

kubectl cordon node01

kubectl drain node01 --ignore-daemonsets

yum install -y kubelet-1.24.3-0

yum install -y kubectl-1.24.3-0

systemctl daemon-reload 
systemctl restart kubelet

kubectl cordon node02