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解决k8s部署dashboard时一直处于Pending状态的问题

article 2025/1/4 5:54:09

直接用离线包就行

命令

[root@k8s-master ~]# docker load -i calico-image-v3.25.0.tar 
[root@k8s-master ~]# kubectl apply -f calico.yaml

链接在https://download.csdn.net/download/weixin_42759398/90192045

[root@k8s-master ~]# docker load -i calico-image-v3.25.0.tar 
2115854292b7: Loading layer [==================================================>]  13.82kB/13.82kB
f2cd7a8887ad: Loading layer [==================================================>]   2.56kB/2.56kB
e53823ea1ab6: Loading layer [==================================================>]  2.048kB/2.048kB
aab16c21b5f0: Loading layer [==================================================>]  2.048kB/2.048kB
80a0311a6f35: Loading layer [==================================================>]  152.1kB/152.1kB
f915be43d1f2: Loading layer [==================================================>]  2.096MB/2.096MB
7aba39e8ebcd: Loading layer [==================================================>]  1.124MB/1.124MB
8e47df0af359: Loading layer [==================================================>]  31.74kB/31.74kB
05cbe103e488: Loading layer [==================================================>]  56.83kB/56.83kB
445109866ec0: Loading layer [==================================================>]   2.56kB/2.56kB
f17fc9408cc0: Loading layer [==================================================>]  4.608kB/4.608kB
a8764b36cebb: Loading layer [==================================================>]  65.42MB/65.42MB
6b6e0e9a04c1: Loading layer [==================================================>]  2.744MB/2.744MB
Loaded image: calico/kube-controllers:v3.25.0
14a282cea6ec: Loading layer [==================================================>]  88.58kB/88.58kB
2553397e07e0: Loading layer [==================================================>]  13.82kB/13.82kB
476b7b4979ae: Loading layer [==================================================>]  1.124MB/1.124MB
17d9f5d187d9: Loading layer [==================================================>]  152.1kB/152.1kB
e391db31906a: Loading layer [==================================================>]  2.096MB/2.096MB
97a5923546c2: Loading layer [==================================================>]   2.56kB/2.56kB
0ed010669301: Loading layer [==================================================>]  4.608kB/4.608kB
3cf983e25bde: Loading layer [==================================================>]  194.4MB/194.4MB
5f70bf18a086: Loading layer [==================================================>]  1.024kB/1.024kB
Loaded image: calico/cni:v3.25.0
350fd2fc4cdb: Loading layer [==================================================>]  246.8MB/246.8MB
4e86ebda2314: Loading layer [==================================================>]  13.82kB/13.82kB
Loaded image: calico/node:v3.25.0
[root@k8s-master ~]# kubectl apply -f calico.yaml
poddisruptionbudget.policy/calico-kube-controllers created
serviceaccount/calico-kube-controllers created
serviceaccount/calico-node created
configmap/calico-config created
customresourcedefinition.apiextensions.k8s.io/bgpconfigurations.crd.projectcalico.org created
customresourcedefinition.apiextensions.k8s.io/bgppeers.crd.projectcalico.org created
customresourcedefinition.apiextensions.k8s.io/blockaffinities.crd.projectcalico.org created
customresourcedefinition.apiextensions.k8s.io/caliconodestatuses.crd.projectcalico.org created
customresourcedefinition.apiextensions.k8s.io/clusterinformations.crd.projectcalico.org created
customresourcedefinition.apiextensions.k8s.io/felixconfigurations.crd.projectcalico.org created
customresourcedefinition.apiextensions.k8s.io/globalnetworkpolicies.crd.projectcalico.org created
customresourcedefinition.apiextensions.k8s.io/globalnetworksets.crd.projectcalico.org created
customresourcedefinition.apiextensions.k8s.io/hostendpoints.crd.projectcalico.org created
customresourcedefinition.apiextensions.k8s.io/ipamblocks.crd.projectcalico.org created
customresourcedefinition.apiextensions.k8s.io/ipamconfigs.crd.projectcalico.org created
customresourcedefinition.apiextensions.k8s.io/ipamhandles.crd.projectcalico.org created
customresourcedefinition.apiextensions.k8s.io/ippools.crd.projectcalico.org created
customresourcedefinition.apiextensions.k8s.io/ipreservations.crd.projectcalico.org created
customresourcedefinition.apiextensions.k8s.io/kubecontrollersconfigurations.crd.projectcalico.org created
customresourcedefinition.apiextensions.k8s.io/networkpolicies.crd.projectcalico.org created
customresourcedefinition.apiextensions.k8s.io/networksets.crd.projectcalico.org created
clusterrole.rbac.authorization.k8s.io/calico-kube-controllers created
clusterrole.rbac.authorization.k8s.io/calico-node created
clusterrolebinding.rbac.authorization.k8s.io/calico-kube-controllers created
clusterrolebinding.rbac.authorization.k8s.io/calico-node created
daemonset.apps/calico-node created
deployment.apps/calico-kube-controllers created
[root@k8s-master ~]# kubectl get nodes
NAME         STATUS     ROLES           AGE     VERSION
k8s-master   NotReady   control-plane   3h39m   v1.28.0
k8s-node1    NotReady   <none>          3h37m   v1.28.0
[root@k8s-master ~]# kubectl get nodes
NAME         STATUS     ROLES           AGE     VERSION
k8s-master   Ready      control-plane   3h39m   v1.28.0
k8s-node1    NotReady   <none>          3h37m   v1.28.0
[root@k8s-master ~]#

反正ready了就行

如果有问题记得看日志

查看节点事件
命令：kubectl describe nodes
作用：可以查看节点的整体状态、资源分配情况以及可能出现的问题。例如，如果节点资源不足，导致 Pod 无法调度，会在这里有相应的提示。
查看 Pod 所属命名空间的事件
命令：kubectl describe namespace kubernetes-dashboard
作用：可以查看该命名空间下的各种事件，包括 Pod 的创建、调度等相关事件，从中可能发现导致 Pod 处于 Pending 状态的原因，比如是否存在资源限制、调度策略问题等。
查看 Pod 详细信息
命令：kubectl describe pod -n kubernetes-dashboard <pod名称>，需将<pod名称>替换为实际的 Pod 名称，如dashboard-metrics-scraper-55c5ccb8fb-744lz和kubernetes-dashboard-586567c756-hvwvk。
作用：可以获取 Pod 的详细描述信息，包括 Pod 的状态、事件、容器状态、调度信息等。其中，Events部分会显示与该 Pod 相关的各种事件记录，例如调度失败的原因、镜像拉取问题等，这对于排查 Pending 原因非常有帮助。
查看 kubelet 日志
命令：在节点上查看 kubelet 服务的日志，具体命令因系统和日志管理方式而异。例如，在使用 systemd 管理服务的系统上，可以使用sudo journalctl -u kubelet -f。
作用：Kubelet 是负责在节点上运行 Pod 的组件，其日志可以提供关于 Pod 创建、启动过程中的详细信息，比如镜像拉取失败的具体错误、容器启动时的问题等。
查看容器运行时日志
命令：如果使用的是 Docker 作为容器运行时，可以使用docker logs <容器ID>来查看容器的日志。首先需要通过kubectl get pods -n kubernetes-dashboard -o wide获取 Pod 所在的节点，然后在该节点上使用docker ps找到对应的容器 ID。
作用：可以了解容器内部的运行情况，是否存在应用程序启动错误、依赖问题等导致容器无法正常运行，进而使 Pod 处于 Pending 状态。

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