k8s dashboard 安装

确认apiserver启用了RBAC特性

检查apiserver启动参数是否包含--authorization-mode=RBAC,详细见Kubernetes 1.6.7 手工安装

yaml文件修改

修改其中的api server host配置项为自己的api server地址及端口，其它保持不变：

[root@docker1 app]# cat k8s-dashboard.yaml 
# Copyright 2015 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Configuration to deploy release version of the Dashboard UI compatible with
# Kubernetes 1.6 (RBAC enabled).
#
# Example usage: kubectl create -f <this_file>

apiVersion: v1
kind: ServiceAccount
metadata:
  labels:
    k8s-app: kubernetes-dashboard
  name: kubernetes-dashboard
  namespace: kube-system
---
apiVersion: rbac.authorization.k8s.io/v1beta1
kind: ClusterRoleBinding
metadata:
  name: kubernetes-dashboard
  labels:
    k8s-app: kubernetes-dashboard
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: cluster-admin
subjects:
- kind: ServiceAccount
  name: kubernetes-dashboard
  namespace: kube-system
---
kind: Deployment
apiVersion: extensions/v1beta1
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: myf5/kubernetes-dashboard-amd64:v1.6.1
        ports:
        - containerPort: 9090
          protocol: TCP
        args:
          # Uncomment the following line to manually specify Kubernetes API server Host
          # If not specified, Dashboard will attempt to auto discover the API server and connect
          # to it. Uncomment only if the default does not work.
          - --apiserver-host=http://172.16.199.17:8080
        livenessProbe:
          httpGet:
            path: /
            port: 9090
          initialDelaySeconds: 30
          timeoutSeconds: 30
      serviceAccountName: kubernetes-dashboard
      # Comment the following tolerations if Dashboard must not be deployed on master
      tolerations:
      - key: node-role.kubernetes.io/master
        effect: NoSchedule
---
kind: Service
apiVersion: v1
metadata:
  labels:
    k8s-app: kubernetes-dashboard
  name: kubernetes-dashboard
  namespace: kube-system
spec:
  ports:
  - port: 80
    targetPort: 9090
  selector:
    k8s-app: kubernetes-dashboard

创建资源

kubectl create -f  k8s-dashboard.yaml

验证

[root@docker1 app]# kubectl get po -n kube-system
NAME                                    READY     STATUS    RESTARTS   AGE
kube-dns-1099564669-hv1pj               3/3       Running   0          1d
kubernetes-dashboard-4240376813-t38c4   1/1       Running   0          10m
[root@docker1 app]# kubectl get svc -n kube-system
NAME                   CLUSTER-IP       EXTERNAL-IP   PORT(S)         AGE
kube-dns               169.169.0.53     <none>        53/UDP,53/TCP   1d
kubernetes-dashboard   169.169.211.48   <none>        80/TCP          10m

访问dashboard

http://172.16.199.17:8080/ui    即apiserver的ip:port/ui