1、什么是kubernetes DashBoard

kubernetes中完成的所有操作可以通過命令行工具kubectl完成的。其實，為了提供更豐富的用戶體驗，kubernetes還開發(fā)了一個基于web的用戶界面（Dashboard）。用戶可以使用Dashboard部署容器化的應(yīng)用，還可以監(jiān)控應(yīng)用的狀態(tài)，執(zhí)行故障排查以及管理kubernetes中各種資源。

2、部署Dashboard

# 下載yaml [root@k8s-master01 ~]# wget https://raw.githubusercontent.com/kubernetes/dashboard/v2.0.0/aio/deploy/recommended.yaml# 修改kubernetes-dashboard的Service類型 kind: Service apiVersion: v1 metadata:labels:k8s-app: kubernetes-dashboardname: kubernetes-dashboardnamespace: kubernetes-dashboard spec:type: NodePort # 新增ports:- port: 443targetPort: 8443nodePort: 30009 # 新增selector:k8s-app: kubernetes-dashboard# 部署 [root@k8s-master01 ~]# kubectl create -f recommended.yaml# 查看namespace下的kubernetes-dashboard下的資源 [root@k8s-master01 ~]# kubectl get pod,svc -n kubernetes-dashboard NAME READY STATUS RESTARTS AGE pod/dashboard-metrics-scraper-c79c65bb7-zwfvw 1/1 Running 0 111s pod/kubernetes-dashboard-56484d4c5-z95z5 1/1 Running 0 111sNAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE service/dashboard-metrics-scraper ClusterIP 10.96.89.218 <none> 8000/TCP 111s service/kubernetes-dashboard NodePort 10.104.178.171 <none> 443:30009/TCP 111s

3、創(chuàng)建訪問賬戶，獲取token

# 創(chuàng)建賬號 [root@k8s-master01-1 ~]# kubectl create serviceaccount dashboard-admin -n kubernetes-dashboard# 授權(quán) [root@k8s-master01-1 ~]# kubectl create clusterrolebinding dashboard-admin-rb --clusterrole=cluster-admin --serviceaccount=kubernetes-dashboard:dashboard-admin# 獲取賬號token [root@k8s-master01 ~]# kubectl get secrets -n kubernetes-dashboard | grep dashboard-admin dashboard-admin-token-xbqhh kubernetes.io/service-account-token 3 2m35s[root@k8s-master01 ~]# kubectl describe secrets dashboard-admin-token-xbqhh -n kubernetes-dashboard Name: dashboard-admin-token-xbqhh Namespace: kubernetes-dashboard Labels: <none> Annotations: kubernetes.io/service-account.name: dashboard-adminkubernetes.io/service-account.uid: 95d84d80-be7a-4d10-a2e0-68f90222d039Type: kubernetes.io/service-account-tokenData ==== namespace: 20 bytes token: eyJhbGciOiJSUzI1NiIsImtpZCI6ImJrYkF4bW5XcDhWcmNGUGJtek5NODFuSXl1aWptMmU2M3o4LTY5a2FKS2cifQ.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.NAl7e8ZfWWdDoPxkqzJzTB46sK9E8iuJYnUI9vnBaY3Jts7T1g1msjsBnbxzQSYgAG--cV0WYxjndzJY_UWCwaGPrQrt_GunxmOK9AUnzURqm55GR2RXIZtjsWVP2EBatsDgHRmuUbQvTFOvdJB4x3nXcYLN2opAaMqg3rnU2rr-A8zCrIuX_eca12wIp_QiuP3SF-tzpdLpsyRfegTJZl6YnSGyaVkC9id-cxZRb307qdCfXPfCHR_2rt5FVfxARgg_C0e3eFHaaYQO7CitxsnIoIXpOFNAR8aUrmopJyODQIPqBWUehb7FhlU1DCduHnIIXVC_UICZ-MKYewBDLw ca.crt: 1025 bytes

4、通過瀏覽器訪問Dashboard的UI

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總結(jié)

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