kubernetes - 没有可用于服务“kubernetes-dashboard”的端点
问题描述
我正在尝试关注GitHub - kubernetes/dashboard: General-purpose web UI for Kubernetes clusters。
部署/访问:
# export KUBECONFIG=/etc/kubernetes/admin.conf
# kubectl create -f https://raw.githubusercontent.com/kubernetes/dashboard/master/src/deploy/recommended/kubernetes-dashboard.yaml
secret/kubernetes-dashboard-certs created
serviceaccount/kubernetes-dashboard created
role.rbac.authorization.k8s.io/kubernetes-dashboard-minimal created
rolebinding.rbac.authorization.k8s.io/kubernetes-dashboard-minimal created
deployment.apps/kubernetes-dashboard created
service/kubernetes-dashboard created
# kubectl proxy
Starting to serve on 127.0.0.1:8001
卷曲:
# curl http://localhost:8001/api/v1/namespaces/kube-system/services/https:kubernetes-dashboard:/proxy/
{
"kind": "Status",
"apiVersion": "v1",
"metadata": {
},
"status": "Failure",
"message": "no endpoints available for service \"kubernetes-dashboard\"",
"reason": "ServiceUnavailable",
"code": 503
}#
请指教。
每个@VKR
$ kubectl get pods --all-namespaces
NAMESPACE NAME READY STATUS RESTARTS AGE
kube-system coredns-576cbf47c7-56vg7 0/1 ContainerCreating 0 57m
kube-system coredns-576cbf47c7-sn2fk 0/1 ContainerCreating 0 57m
kube-system etcd-wcmisdlin02.uftwf.local 1/1 Running 0 56m
kube-system kube-apiserver-wcmisdlin02.uftwf.local 1/1 Running 0 56m
kube-system kube-controller-manager-wcmisdlin02.uftwf.local 1/1 Running 0 56m
kube-system kube-proxy-2hhf7 1/1 Running 0 6m57s
kube-system kube-proxy-lzfcx 1/1 Running 0 7m35s
kube-system kube-proxy-rndhm 1/1 Running 0 57m
kube-system kube-scheduler-wcmisdlin02.uftwf.local 1/1 Running 0 56m
kube-system kubernetes-dashboard-77fd78f978-g2hts 0/1 Pending 0 2m38s
$
logs
:
$ kubectl logs kubernetes-dashboard-77fd78f978-g2hts -n kube-system
$
describe
:
$ kubectl describe pod kubernetes-dashboard-77fd78f978-g2hts -n kube-system
Name: kubernetes-dashboard-77fd78f978-g2hts
Namespace: kube-system
Priority: 0
PriorityClassName: <none>
Node: <none>
Labels: k8s-app=kubernetes-dashboard
pod-template-hash=77fd78f978
Annotations: <none>
Status: Pending
IP:
Controlled By: ReplicaSet/kubernetes-dashboard-77fd78f978
Containers:
kubernetes-dashboard:
Image: k8s.gcr.io/kubernetes-dashboard-amd64:v1.10.0
Port: 8443/TCP
Host Port: 0/TCP
Args:
--auto-generate-certificates
Liveness: http-get https://:8443/ delay=30s timeout=30s period=10s #success=1 #failure=3
Environment: <none>
Mounts:
/certs from kubernetes-dashboard-certs (rw)
/tmp from tmp-volume (rw)
/var/run/secrets/kubernetes.io/serviceaccount from kubernetes-dashboard-token-gp4l7 (ro)
Conditions:
Type Status
PodScheduled False
Volumes:
kubernetes-dashboard-certs:
Type: Secret (a volume populated by a Secret)
SecretName: kubernetes-dashboard-certs
Optional: false
tmp-volume:
Type: EmptyDir (a temporary directory that shares a pod's lifetime)
Medium:
kubernetes-dashboard-token-gp4l7:
Type: Secret (a volume populated by a Secret)
SecretName: kubernetes-dashboard-token-gp4l7
Optional: false
QoS Class: BestEffort
Node-Selectors: <none>
Tolerations: node-role.kubernetes.io/master:NoSchedule
node.kubernetes.io/not-ready:NoExecute for 300s
node.kubernetes.io/unreachable:NoExecute for 300s
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Warning FailedScheduling 4m39s (x21689 over 20h) default-scheduler 0/3 nodes are available: 3 node(s) had taints that the pod didn't tolerate.
$
解决方案
您似乎正在尝试利用 Kubernetes 部署,kubeadm
但已跳过安装 pod 网络插件 (CNI)的步骤。注意警告:
必须在任何应用程序之前部署网络。此外,CoreDNS 在安装网络之前不会启动。kubeadm 仅支持基于容器网络接口 (CNI) 的网络(不支持 kubenet)。
完成此操作后,CoreDNS pod 应该会正常运行。这可以通过以下方式验证:
kubectl -n kube-system -l=k8s-app=kube-dns get pods
然后kubernetes-dashboard
豆荚也应该健康起来。
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