9、kubernetes组件——dashboard

kubernetes组件——dashboard

Kubernetes Dashboard 是 Kubernetes 的官方 Web UI。使用 Kubernetes Dashboard，您可以：

  • 向 Kubernetes 集群部署容器化应用
  • 诊断容器化应用的问题
  • 管理集群的资源
  • 查看集群上所运行的应用程序
  • 创建、修改Kubernetes 上的资源（例如 Deployment、Job、DaemonSet等）
  • 展示集群上发生的错误

github官网:https://github.com/kubernetes/dashboard

安装

下载模板文件

root@k8s-deploy-01:/opt/soft# mkdir dashboard-v2.6.0
root@k8s-deploy-01:/opt/soft/dashboard-v2.6.0# wget https://raw.githubusercontent.com/kubernetes/dashboard/v2.6.0/aio/deploy/recommended.yaml
root@k8s-deploy-01:/opt/soft/dashbard-v2.6.0# mv recommended.yaml dashboard-v2.6.0.yaml

下载镜像

下载安装所需的镜像到本地harbor

root@k8s-deploy-01:~# docker pull kubernetesui/dashboard:v2.6.0
root@k8s-deploy-01:~# docker pull kubernetesui/metrics-scraper:v1.0.8
root@k8s-deploy-01:~# docker tag kubernetesui/dashboard:v2.6.0 xmtx.harbor.com/baseimages/dashboard:v2.6.0
root@k8s-deploy-01:~# docker tag kubernetesui/metrics-scraper:v1.0.8 xmtx.harbor.com/baseimages/metrics-scraper:v1.0.8
root@k8s-deploy-01:~# docker push xmtx.harbor.com/baseimages/dashboard:v2.6.0
root@k8s-deploy-01:~# docker push xmtx.harbor.com/baseimages/metrics-scraper:v1.0.8

修改配置

root@k8s-deploy-01:/opt/soft/dashboard-v2.6.0# vim dashboard-v2.6.0.yaml
kind: Service
apiVersion: v1
metadata:
  labels:
    k8s-app: kubernetes-dashboard
  name: kubernetes-dashboard
  namespace: kubernetes-dashboard
spec:
  type: NodePort  #添加对外暴露的端口
  ports:
    - port: 443
      targetPort: 8443 
      nodePort: 30001  #对外暴露30001端口端口号要符合NODE_PORT_RANGE范围
  selector:
    k8s-app: kubernetes-dashboard

      containers:
        - name: kubernetes-dashboard
          image: xmtx.harbor.com/baseimages/dashboard:v2.6.0  #使用本地harbor下载
          imagePullPolicy: Always
          ports:
            - containerPort: 8443
              protocol: TCP
          args:
            - --auto-generate-certificates
            - --namespace=kubernetes-dashboard

     containers:
        - name: dashboard-metrics-scraper
          image: xmtx.harbor.com/baseimages/metrics-scraper:v1.0.8   #使用本地harbor下载
          ports:
            - containerPort: 8000
              protocol: TCP

创建dashboard

root@k8s-deploy-01:/opt/soft/dashboard-v2.6.0# kubectl apply -f dashboard-v2.6.0.yaml 
namespace/kubernetes-dashboard created
serviceaccount/kubernetes-dashboard created
service/kubernetes-dashboard created
secret/kubernetes-dashboard-certs created
secret/kubernetes-dashboard-csrf created
secret/kubernetes-dashboard-key-holder created
configmap/kubernetes-dashboard-settings created
role.rbac.authorization.k8s.io/kubernetes-dashboard created
clusterrole.rbac.authorization.k8s.io/kubernetes-dashboard created
rolebinding.rbac.authorization.k8s.io/kubernetes-dashboard created
clusterrolebinding.rbac.authorization.k8s.io/kubernetes-dashboard created
deployment.apps/kubernetes-dashboard created
service/dashboard-metrics-scraper created
deployment.apps/dashboard-metrics-scraper created

root@k8s-deploy-01:/opt/soft/dashboard-v2.6.0# kubectl get pod -A
NAMESPACE              NAME                                         READY   STATUS    RESTARTS       AGE
kubernetes-dashboard   dashboard-metrics-scraper-5f4bd76744-vlxvq   1/1     Running   0              16s
kubernetes-dashboard   kubernetes-dashboard-797bd5c6d7-pfhm8        1/1     Running   0              16s

使用Token登录

#admin-secret.yaml 文件
root@k8s-deploy-01:/opt/soft/dashboard-v2.6.0# cat admin-secret.yaml 
apiVersion: v1
kind: Secret
type: kubernetes.io/service-account-token
metadata:
  name: dashboard-admin-user
  namespace: kubernetes-dashboard 
  annotations:
    kubernetes.io/service-account.name: "admin-user"
#admin-user.yaml 文件 
root@k8s-deploy-01:/opt/soft/dashboard-v2.6.0# cat admin-user.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
#创建用户
root@k8s-deploy-01:/opt/soft/dashboard-v2.6.0# kubectl apply -f admin-user.yaml 
serviceaccount/admin-user created
clusterrolebinding.rbac.authorization.k8s.io/admin-user created
#创建secret
root@k8s-deploy-01:/opt/soft/dashboard-v2.6.0# kubectl apply -f admin-secret.yaml 
secret/dashboard-admin-user created
#获取
root@k8s-deploy-01:/opt/soft/dashboard-v2.6.0# kubectl describe secrets dashboard-admin-user -n kubernetes-dashboard

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posted @ 2022-07-29 17:29  xmtx97  阅读(173)  评论(0)  编辑  收藏  举报