Kubernetes仪表板安装提供x509：证书由未知权限错误签名

时间：2019-05-14 08:22:35

标签： kubernetes kubernetes-dashboard

尝试在Ubuntu 16.04中安装kubernetes仪表板，导致出现x509：证书由未知授权机构签名错误。

具有单个节点的Kubernetes集群运行良好，并且部署也在进行中。

尝试在kubernetes-dashboard.yaml文件中启用apiserver-host属性，而没有任何锁定。

kubectl apply -f https://raw.githubusercontent.com/kubernetes/dashboard/master/aio/deploy/recommended/kubernetes-dashboard.yaml 无法连接到服务器：x509：证书由未知授权机构签名

任何建议。

kubectl的输出得到所有-n kube-system 

NAME                                         READY   STATUS    RESTARTS   AGE
pod/calico-node-6dgkc                        2/2     Running   4          4d23h
pod/calico-node-v8xjr                        2/2     Running   0          2d4h
pod/coredns-fb8b8dccf-8jznp                  1/1     Running   2          4d23h
pod/coredns-fb8b8dccf-pl87d                  1/1     Running   2          4d23h
pod/etcd-ets-kubernetes                      1/1     Running   2          4d23h
pod/kube-apiserver-ets-kubernetes            1/1     Running   2          4d23h
pod/kube-controller-manager-ets-kubernetes   1/1     Running   2          4d23h
pod/kube-proxy-24qjz                         1/1     Running   0          2d4h
pod/kube-proxy-ccqpn                         1/1     Running   2          4d23h
pod/kube-scheduler-ets-kubernetes            1/1     Running   2          4d23h

NAME                   TYPE        CLUSTER-IP     EXTERNAL-IP   PORT(S)                  AGE
service/calico-typha   ClusterIP   10.110.39.31   <none>        5473/TCP                 4d23h
service/kube-dns       ClusterIP   10.96.0.10     <none>        53/UDP,53/TCP,9153/TCP   4d23h
Error from server (Forbidden): replicationcontrollers is forbidden: User "system:node:ets-kubernetes" cannot list resource "replicationcontrollers" in API group "" in the namespace "kube-system"
Error from server (Forbidden): daemonsets.apps is forbidden: User "system:node:ets-kubernetes" cannot list resource "daemonsets" in API group "apps" in the namespace "kube-system"
Error from server (Forbidden): deployments.apps is forbidden: User "system:node:ets-kubernetes" cannot list resource "deployments" in API group "apps" in the namespace "kube-system"
Error from server (Forbidden): replicasets.apps is forbidden: User "system:node:ets-kubernetes" cannot list resource "replicasets" in API group "apps" in the namespace "kube-system"
Error from server (Forbidden): statefulsets.apps is forbidden: User "system:node:ets-kubernetes" cannot list resource "statefulsets" in API group "apps" in the namespace "kube-system"
Error from server (Forbidden): horizontalpodautoscalers.autoscaling is forbidden: User "system:node:ets-kubernetes" cannot list resource "horizontalpodautoscalers" in API group "autoscaling" in the namespace "kube-system"
Error from server (Forbidden): jobs.batch is forbidden: User "system:node:ets-kubernetes" cannot list resource "jobs" in API group "batch" in the namespace "kube-system"
Error from server (Forbidden): cronjobs.batch is forbidden: User "system:node:ets-kubernetes" cannot list resource "cronjobs" in API group "batch" in the namespace "kube-system"

kubectl get节点的输出

NAME             STATUS   ROLES    AGE     VERSION
ets-kubernetes   Ready    master   4d23h   v1.14.1
ets-node         Ready    <none>   2d4h    v1.14.1

Kubectl输出.PNG enter image description here

证书错误.PNG enter image description here

1 个答案:

答案 0 :(得分：0)

最好指定如何部署群集，但是尝试重新生成群集证书。如果您使用了kubeadm，则可以从控制平面节点运行

kubeadm alpha certs renew

有关更多信息，check this

根据原始帖子的更新进行编辑：

从事件中可以看到，根据更新后的输出，不知何故有很多行，如：

User "system:node:ets-kubernetes" cannot list resource .........

这意味着，上述用户没有相关角色来对指定资源执行这些操作。

要解决此问题，您必须为此用户创建相关的Role和RoleBindings。 您可以从Using RBAC Authorization官方文档中获取更多信息

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