Kubernetes1.18安装Dashboard2.0

下载安装文件

1	wget https://raw.githubusercontent.com/kubernetes/dashboard/v2.0.3/aio/deploy/recommended.yaml

修改service通过NodePort方式访问K8S Dashboard

1	vim recommended.yaml

kind: Service
apiVersion: v1
metadata:
  labels:
    k8s-app: kubernetes-dashboard
  name: kubernetes-dashboard
  namespace: kubernetes-dashboard
spec:
  type: NodePort #新加此行
  ports:
    - port: 443
      nodePort： 30001 #新加此行
      targetPort: 8443
  selector:
    k8s-app: kubernetes-dashboard

应用配置文件

1	kubectl apply -f recommended.yaml

查看pod和service

[root@master dashboard1]# kubectl get pod -o wide -n kubernetes-dashboard
NAME                                         READY   STATUS    RESTARTS   AGE   IP            NODE    NOMINATED NODE   READINESS GATES
dashboard-metrics-scraper-7b8b58dc8b-29wxq   1/1     Running   0          19m   10.244.2.18   node2   <none>           <none>
kubernetes-dashboard-755dcb9575-fj8jl        1/1     Running   0          19m   10.244.1.28   node1   <none>           <none>
[root@master dashboard1]# kubectl get svc -o wide -n kubernetes-dashboard
NAME                        TYPE        CLUSTER-IP     EXTERNAL-IP   PORT(S)         AGE   SELECTOR
dashboard-metrics-scraper   ClusterIP   10.98.53.94    <none>        8000/TCP        19m   k8s-app=dashboard-metrics-scraper
kubernetes-dashboard        NodePort    10.109.85.22   <none>        443:30001/TCP   19m   k8s-app=kubernetes-dashboard

访问Dashboard

创建一个dashboard用户

1	vim create-admin.yaml

apiVersion: v1
kind: ServiceAccount
metadata:
  name: admin-user
  namespace: kubernetes-dashboard
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: admin-user
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: cluster-admin
subjects:
- kind: ServiceAccount
  name: admin-user
  namespace: kubernetes-dashboard

1	kubectl apply -f create-admin.yaml

获取Token

kubectl -n kubernetes-dashboard describe secret $(kubectl -n kubernetes-dashboard get secret | grep admin-user | awk '{print $1}')
Name:         admin-user-token-z4jp6
Namespace:    kubernetes-dashboard
Labels:       <none>
Annotations:  kubernetes.io/service-account.name: admin-user
              kubernetes.io/service-account.uid: 349285ce-741d-4dc1-a600-1843a6ec9751

Type:  kubernetes.io/service-account-token

Data
====
token:      eyJhbGciOiJSUzI1NiIsImtpZCI6InY5M1pSc3RpejBVZ0x6LTNSbWlCc2t5b01ualNZWnpYMVB5YzUwNmZ3ZmsifQ.eyJpc3MiOiJrdWJlcm5ldGVzL3NlcnZpY2VhY2NvdW50Iiwia3ViZXJuZXRlcy5pby9zZXJ2aWNlYWNjb3VudC9uYW1lc3BhY2UiOiJrdWJlcm5ldGVzLWRhc2hib2FyZCIsImt1YmVybmV0ZXMuaW8vc2VydmljZWFjY291bnQvc2VjcmV0Lm5hbWUiOiJhZG1pbi11c2VyLXRva2VuLXo0anA2Iiwia3ViZXJuZXRlcy5pby9zZXJ2aWNlYWNjb3VudC9zZXJ2aWNlLWFjY291bnQubmFtZSI6ImFkbWluLXVzZXIiLCJrdWJlcm5ldGVzLmlvL3NlcnZpY2VhY2NvdW50L3NlcnZpY2UtYWNjb3VudC51aWQiOiIzNDkyODVjZS03NDFkLTRkYzEtYTYwMC0xODQzYTZlYzk3NTEiLCJzdWIiOiJzeXN0ZW06c2VydmljZWFjY291bnQ6a3ViZXJuZXRlcy1kYXNoYm9hcmQ6YWRtaW4tdXNlciJ9.JtCa0VC7tYtIGLWlwSKUwqSL0T8eRvZ8jk_AUxB4Atmi5PjF9IjAHNNwGS3HaTL3Q86fCI8MvYGf3Eplk9X-n-g9WsrFIxXxa0wGJxZp0d8R78A6vuN7I7Zd5CeQm_O2ycTUuQhYnSZlNplF8X033QOfjOoFnKKevbn2094XXWWZuAsT9haGnZ8BX92DmYzsaMyLesfv7ZziJD80KgSQ8_jtb0n55zw5cedYTsRCZgofJ_o9U5SUW3I0AXG-vVhI28m0sMBjZkuMppfB4eMLnSDH-XAw3Gvwe_2NOLfS4hBTkYu7gJket-gif9Cs8Ybkzvf2qXdZW5fydZUuSylafg
ca.crt:     1025 bytes
namespace:  20 bytes

登录dashboard

登陆后界面

使用Dashboard

在Dashboard中，我们之前通过kubectl所做的操作大部分都可以可视化操作

参考地址

https://zhuanlan.zhihu.com/p/114010229