升级kube出现unknown flag: --network-plugin
kube升级从 1.22.0-0.x86_64到 1.24.1-0.x86_64后, 出现unknown flag: --network-plugin法一:yum downgrade 后restart正常方法二:使用链接提到的方法: Kubernetes 升级至 1.24 后 kubelet
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把一台node 的kube升级从 1.22.0-0.x86_64到 1.24.1-0.x86_64后, 出现kubelet.service无法启动。 Error: failed to parse kubelet flag: unknown flag: --network-plugin
node1状态显示NotRready
[root@node1 ~]# rpm -qa|grep kube
kubeadm-1.24.1-0.x86_64
kubernetes-cni-0.8.7-0.x86_64
kubectl-1.24.1-0.x86_64
kubelet-1.22.0-0.x86_64
[root@node1 ~]# journalctl -xe -l
Jun 12 03:27:04 node1 kubelet[7103]: Error: failed to parse kubelet flag: unknown flag: --network-plugin
Jun 12 03:27:04 node1 kubelet[7103]: Usage:
[root@master ~]# kubectl get nodes
NAME STATUS ROLES AGE VERSION
master Ready control-plane,master 302d v1.22.0
node1 NotReady <none> 294d v1.22.0
node2 Ready <none> 294d v1.22.0
法一:
yum downgrade 后restart正常
[root@node1 ~]# yum downgrade kubelet-1.22.0-0.x86_64 kubeadm-1.22.0-0.x86_64 kubectl-1.22.0-0.x86_64
[root@node1 ~]# rpm -qa|grep kube
kubernetes-cni-0.8.7-0.x86_64
kubectl-1.22.0-0.x86_64
kubelet-1.22.0-0.x86_64
kubeadm-1.22.0-0.x86_64
[root@node1 ~]# systemctl restart kubelet.service
Warning: kubelet.service changed on disk. Run 'systemctl daemon-reload' to reload units.
[root@node1 ~]# systemctl daemon-reload
[root@node1 ~]#
[root@node1 ~]#
[root@node1 ~]# systemctl restart kubelet.service
[root@node1 ~]# systemctl status kubelet.service -l
● kubelet.service - kubelet: The Kubernetes Node Agent
Loaded: loaded (/usr/lib/systemd/system/kubelet.service; enabled; vendor preset: disabled)
Drop-In: /usr/lib/systemd/system/kubelet.service.d
└─10-kubeadm.conf
Active: active (running) since Sun 2022-06-12 03:58:31 EDT; 5s ago
Docs: https://kubernetes.io/docs/
Main PID: 14546 (kubelet)
方法二:
使用链接提到的方法:
Kubernetes 升级至 1.24 后 kubelet 无法启动_已解决_博问_博客园
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