Kubernetes安装系列之Dashboard安装
这篇文章整理一下dashboard plugin的安装与设定方法，本文以脚本的方式进行固化，内容仍然放在github的easypack上。
整体操作
事前准备
使用快速安装和部署的一键脚本，快速搭建kubernetes环境，使用命令为
sh all-k8s-mgnt.sh install all
- 执行日志信息摘要
## kubectl version
Client Version: version.Info{Major:"1", Minor:"13", GitVersion:"v1.13.4", GitCommit:"c27b913fddd1a6c480c229191a087698aa92f0b1", GitTreeState:"clean", BuildDate:"2019-02-28T13:37:52Z", GoVersion:"go1.11.5", Compiler:"gc", Platform:"linux/amd64"}
Server Version: version.Info{Major:"1", Minor:"13", GitVersion:"v1.13.4", GitCommit:"c27b913fddd1a6c480c229191a087698aa92f0b1", GitTreeState:"clean", BuildDate:"2019-02-28T13:30:26Z", GoVersion:"go1.11.5", Compiler:"gc", Platform:"linux/amd64"}
## kubectl cluster-info
Kubernetes master is running at https://192.168.163.131:6443
To further debug and diagnose cluster problems, use 'kubectl cluster-info dump'.
## kubectl get node
NAME STATUS ROLES AGE VERSION INTERNAL-IP EXTERNAL-IP OS-IMAGE KERNEL-VERSION CONTAINER-RUNTIME
192.168.163.131 Ready <none> 4s v1.13.4 192.168.163.131 <none> CentOS Linux 7 (Core) 3.10.0-957.el7.x86_64 docker://17.3.2
## kubectl get cs
NAME STATUS MESSAGE ERROR
scheduler Healthy ok
controller-manager Healthy ok
etcd-0 Healthy {"health":"true"}
dashboard设定脚本
[[email protected] shell]# cat step9-2-install-plugin-dashboard.sh
#!/bin/sh
. ./install.cfg
. ./common-util.sh
echo "## please make sure you can get the following images"
grep image etc/plugins/dashboard/kubernetes-dashboard.yaml
echo "## getting the above image ready in advance is preferred, please press any key when ready"
read
echo "## create dashboard service"
kubectl delete -f etc/plugins/dashboard/kubernetes-dashboard.yaml >/dev/null 2>&1
kubectl create -f etc/plugins/dashboard/kubernetes-dashboard.yaml
# create and display dashboard token
create_dashboard_token
sleep 2
display_dashboard_token
sleep 2
echo "## display pods information"
sleep 2
kubectl get pods -n kube-system
echo "## display service information"
kubectl get service -n kube-system
[[email protected] shell]#
执行日志
[[email protected] shell]# sh all-k8s-mgnt.sh install dashboard
## Sat Mar 30 03:53:06 CST 2019 ACTION: install Service: dashboard begins ...
## please make sure you can get the following images
image: k8s.gcr.io/kubernetes-dashboard-amd64:v1.10.1
## getting the above image ready in advance is preferred, please press any key when ready
## create dashboard service
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
## create service account for dashboard
serviceaccount/dashboard-admin created
## create clusterrolebinding for dashboard
clusterrolebinding.rbac.authorization.k8s.io/dashboard-admin created
## dashboard_secrete: dashboard-admin-token-44hd5
## dashboard_token:
eyJhbGciOiJSUzI1NiIsImtpZCI6IiJ9.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.r7FfVZmCU9y3IpLV1VlKXeHGh7whI8J4gqD9r3lq4_AMKv1SSfvbryAJ3aa5bGfq5fidDlH4E2zk1tRk0YyhYjG9nQ-x_fPD7ZUz44PKQ-9an_aUjX5G-kiSz4AbIy-Vd0Ctfrq6kuAh7Nasv0cfwybuzZa8fTNQkC8RVIarcZ57AveKrLdNeCdhUYkHYYLBt11vtk6MiyFAeFy9H7v5IB9Rh82u2es9hDZCl3_cabEyIb4IH82OIBsnhE0EnowV6kEbSDkFSkYYAavTDkwvAt3HZ50Z3efo8CosO5x7sU8MTxhRfew2ZOws0Urx9EoE7GlC3kugI0QNJS_TEjCj6A
## display pods information
NAME READY STATUS RESTARTS AGE
kubernetes-dashboard-57df4db6b-hn4jr 1/1 Running 0 8s
## display service information
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
kubernetes-dashboard NodePort 10.254.183.151 <none> 443:33307/TCP 8s
## Sat Mar 30 03:53:42 CST 2019 ACTION: install Service: dashboard ends ...
[[email protected] shell]#
注意：在dashboard的yaml文件执行之前，需本地先行将相关的镜像load进来
[[email protected] shell]# docker load -i ~/dashboard.tar
fbdfe08b001c: Loading layer [==================================================>] 122.3 MB/122.3 MB
Loaded image: k8s.gcr.io/kubernetes-dashboard-amd64:v1.10.1
[[email protected] shell]#
使用生成dashboard的service端口进行访问
输入上文生成的token，便可成功登录dashboard
由于目前还没有安装heapster等插件，所以资源信息还无法查看，但整体已经可用。