[TimLinux] k8s 故障分析全集
2021/6/13 7:26:09
本文主要是介绍[TimLinux] k8s 故障分析全集,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
节点NotReady
Traints:
- node.kubernetes.io/unreachable:NoExecute
- node.kubernetes.io/unreachable:NoSchedule
解决办法:
- 查看 kube-controller-manager, kube-scheduler, kube-apiserver, kube-proxy 等的日志,都显示:
Error from server (InternalError): Internal error occurred: Authorization error (user=kube-apiserver-kubelet-client, verb=get, resource=nodes, subresource=proxy)
- 尝试登陆进去看下:
# kubectl -n kube-system exec -it kube-proxy-xxxx sh error: unable to upgrade connection: Authorization error (user=kube-apiserver-kubelet-client, verb=create, resource=nodes, subresource=proxy)
- 查看其它节点都 Kube-proxy 日志
kubectl -n kube-system logs kube-proxy-xxx ... endpoints is forbidden: User "system:serviceaccount:kube-system:kube-proxy" cannot list resource "endpoints" in API group "" at the cluster scope: RBAC: [clusterrole.rbac.authorization.k8s.io "system:basic-user" not found, clusterrole.rbac.authorization.k8s.io "system:node-proxier" not found, clusterrole.rbac.authorization.k8s.io "system:discovery" not found, clusterrole.rbac.authorization.k8s.io "system:public-info-viewer" not found] ...
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