Kubernetes集群Dashboard部署

著作:行癫 <盗版必究> ------ ## 一:部署Dashboard #### 1.kube-proxy 开启 ipvs ```shell [root@k8s-master ~]# kubectl get configmap kube-proxy -n kube-system -o yaml > kube-proxy-configmap.yaml [root@k8s-master ~]# sed -i 's/mode: ""/mode: "ipvs"/' kube-proxy-configmap.yaml [root@k8s-master ~]# kubectl apply -f kube-proxy-configmap.yaml [root@k8s-master ~]# rm -f kube-proxy-configmap.yaml [root@k8s-master ~]# kubectl get pod -n kube-system | grep kube-proxy | awk '{system("kubectl delete pod "$1" -n kube-system")}' ``` #### 2.下载Dashboard安装脚本 ```shell [root@master ~]# wget http://www.xingdiancloud.cn:92/index.php/s/yer7cWtxesEit2R/download/recommended.yaml ``` #### 3.创建证书 ```shell [root@k8s-master ~]# mkdir dashboard-certs [root@k8s-master ~]# cd dashboard-certs/ #创建命名空间 [root@k8s-master ~]# kubectl create namespace kubernetes-dashboard # 创建私钥key文件 [root@k8s-master ~]# openssl genrsa -out dashboard.key 2048 #证书请求 [root@k8s-master ~]# openssl req -days 36000 -new -out dashboard.csr -key dashboard.key -subj '/CN=dashboard-cert' #自签证书 [root@k8s-master ~]# openssl x509 -req -in dashboard.csr -signkey dashboard.key -out dashboard.crt #创建kubernetes-dashboard-certs对象 [root@k8s-master ~]# kubectl create secret generic kubernetes-dashboard-certs --from-file=dashboard.key --from-file=dashboard.crt -n kubernetes-dashboard ``` #### 4.创建管理员 ```shell 创建账户 [root@k8s-master ~]# vim dashboard-admin.yaml apiVersion: v1 kind: ServiceAccount metadata: labels: k8s-app: kubernetes-dashboard name: dashboard-admin namespace: kubernetes-dashboard #保存退出后执行 [root@k8s-master ~]# kubectl create -f dashboard-admin.yaml 为用户分配权限 [root@k8s-master ~]# vim dashboard-admin-bind-cluster-role.yaml apiVersion: rbac.authorization.k8s.io/v1 kind: ClusterRoleBinding metadata: name: dashboard-admin-bind-cluster-role labels: k8s-app: kubernetes-dashboard roleRef: apiGroup: rbac.authorization.k8s.io kind: ClusterRole name: cluster-admin subjects: - kind: ServiceAccount name: dashboard-admin namespace: kubernetes-dashboard #保存退出后执行 [root@k8s-master ~]# kubectl create -f dashboard-admin-bind-cluster-role.yaml ``` #### 5.安装 Dashboard ```shell #安装 [root@k8s-master ~]# kubectl create -f ~/recommended.yaml #检查结果 [root@k8s-master ~]# kubectl get pods -A -o wide [root@k8s-master ~]# kubectl get service -n kubernetes-dashboard -o wide NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE SELECTOR dashboard-metrics-scraper ClusterIP 10.1.186.219 8000/TCP 19m k8s-app=dashboard-metrics-scraper kubernetes-dashboard NodePort 10.1.60.1 443:30008/TCP 19m k8s-app=kubernetes-dashboard ``` #### 6.查看并复制token ```shell [root@master ~]# kubectl -n kubernetes-dashboard describe secret $(kubectl -n kubernetes-dashboard get secret | grep dashboard-admin | awk '{print $1}') Name: dashboard-admin-token-xlhzr Namespace: kubernetes-dashboard Labels: Annotations: kubernetes.io/service-account.name: dashboard-admin kubernetes.io/service-account.uid: a38e8ce3-848e-4d94-abcf-4d824deeb697 Type: kubernetes.io/service-account-token Data ==== ca.crt: 1099 bytes namespace: 20 bytes token: eyJhbGciOiJSUzI1NiIsImtpZCI6InFsRE1GQi1KQnZsZHpUOGZ4WGc1dlU1UHg3UGVrcC02TUNyYmZWcHhFZ3MifQ.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.anEX2MBlIo0lKQCGOsl3oZKBQkYujg6twLoO8hbWLAVp3xveAgpt6nW-_FrkG0yy9tIyXa6lpvu-c99ueB4KvKrIF0vJggWT3fU73u75iIwTbqDSghWy_BRFjt9NYuUFL4Mu-sPqra0ELgxYIGSEVuQwmZ8qOFjrQQQ2pKjxt8SsUHGLW-9FgmSgZTHPvZKFnU2V23BC2n_vowff63PF6kfnj1bNzV3Z1YCzgZOdy3jKM6sNKSI3dbcHiJpv5p7XF18qvuSZMJ9tMU4vSwzkQ_OLxsdNYwwD_YfRhua6f0kgWO23Z0lBTRLInejssdIQ31yewg9Eoqv4DhN1jZqhOw ``` #### 7.浏览器访问 ```shell https://10.0.0.220:30008 ``` ![image-20220426233444135](kubernetes%E9%9B%86%E7%BE%A4Dashboard%E9%83%A8%E7%BD%B2.assets/image-20220426233444135.png) ![image-20220426233537356](kubernetes%E9%9B%86%E7%BE%A4Dashboard%E9%83%A8%E7%BD%B2.assets/image-20220426233537356.png)