kubernetes web界面dashboard安装 测试

--环境 
centos7.5,已经有一个k8s集群
主备节点均可访问外网

--参考：
https://www.cnblogs.com/harlanzhang/p/10045975.html
https://www.wandouip.com/t5i365336/

##以下操作均是在master节点操作##

--下载kubernetes-dashboard.yaml文件

wget https://raw.githubusercontent.com/kubernetes/dashboard/v1.10.1/src/deploy/recommended/kubernetes-dashboard.yaml

--修改kubernetes-dashboard.yaml文件,
修改： 
image: registry.cn-hangzhou.aliyuncs.com/kube_containers/kubernetes-dashboard-amd64
新增：
  type: NodePort
  nodePort: 30001

# ------------------- Dashboard Deployment ------------------- #

kind: Deployment
apiVersion: apps/v1beta2
metadata:
  labels:
    k8s-app: kubernetes-dashboard
  name: kubernetes-dashboard
  namespace: kube-system
spec:
  replicas: 1
  revisionHistoryLimit: 10
  selector:
    matchLabels:
      k8s-app: kubernetes-dashboard
  template:
    metadata:
      labels:
        k8s-app: kubernetes-dashboard
    spec:
      containers:
      - name: kubernetes-dashboard
        image: registry.cn-hangzhou.aliyuncs.com/kube_containers/kubernetes-dashboard-amd64
        ports:
        - containerPort: 8443
          protocol: TCP
        args:
          - --auto-generate-certificates
          
# ------------------- Dashboard Service ------------------- #

kind: Service
apiVersion: v1
metadata:
  labels:
    k8s-app: kubernetes-dashboard
  name: kubernetes-dashboard
  namespace: kube-system
spec:
  type: NodePort
  ports:
    - port: 443
      targetPort: 8443
      nodePort: 30001
  selector:
    k8s-app: kubernetes-dashboard
          
          
--创建kubernetes-dashboard.yaml

kubectl create -f kubernetes-dashboard.yaml
      
--查看kubernetes-dashboard容器是否已经运行

[root@k8s ~]#  kubectl get pods -n kube-system
NAME                                    READY     STATUS             RESTARTS   AGE
etcd-k8s                                1/1       Running            0     &nbs