kubernetes 安装配置 kube-ui

1. 部署kube-ui环境

请参考 docker集群管理工具kubernetes初步搭建

2. 下载kube-ui镜像

# 目前好像docker.io上不支持下载。从国内的一个网站上下载

docker pull index.alauda.cn/googlecontainer/kube-ui:v5

# 然后把此image推到你的私有镜像地址

# 启动私有镜像容器> docker run -d -p 5000:5000 --name siyou -v /data/docker/registry:/tmp/registry docker.io/registry>docker tag 1270a664f530 1.1.1.100:5000/kube-ui# 把1.1.1.100:5000/kube-ui推到 siyou>docker push  1.1.1.100:5000/kube-ui# 确认下镜像上传成功没，如果没有，后面的kube-ui会失败> curl -X GET http://1.1.1.100:5000/v2/_catalog{"repositories":["centos","kube-ui","memcached","mysql","nginx","pause","php"]}

3. 创建kube-ui namespace

# 创建kube-namespace.yaml，内容如下：

apiVersion: v1  kind: Namespace  metadata:    name: kube-system 

# 创建namespace

> kubectl create -f kube-namespace.yaml namespace "kube-system" created> kubectl get namespaceNAME          STATUS    AGEdefault       Active    5dkube-system   Active    6m

4. 创建rc创建kube-ui-rc-src.yaml 文件

# kube-ui-rckind: DeploymentapiVersion: extensions/v1beta1metadata:  labels:    app: kubernetes-dashboard  name: kubernetes-dashboard  namespace: kube-systemspec:# 建立3个副本  replicas: 3  selector:    matchLabels:      app: kubernetes-dashboard  template:    metadata:      labels:        app: kubernetes-dashboard    spec:      containers:      - name: kubernetes-dashboard# 填写自己私有镜像地址        image: 1.1.1.100:5000/kube-ui        imagePullPolicy: Always        ports:        - containerPort: 8080          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://my-address:port        livenessProbe:          httpGet:            path: /            port: 8080          initialDelaySeconds: 30          timeoutSeconds: 30# kube-ui-srv---kind: ServiceapiVersion: v1metadata:  labels:    app: kubernetes-dashboard  name: kubernetes-dashboard  namespace: kube-systemspec:  type: NodePort  ports:  - port: 80    targetPort: 8080  selector:    app: kubernetes-dashboard

• 配置参考：https://rawgit.com/kubernetes/dashboard/master/src/deploy/kubernetes-dashboard.yaml
  # 运行一下命令创建rc和service,查看创建完成的pod（因设定了空间，查询时也要加上namespace，否则无法显示）：kubectl get pod –namespace=kube-system

> kubectl create -f kube-ui.yaml

# 运行以下命令创建service，并查看service 和 pods

> kubectl get pod,rc --all-namespaces -o wideNAMESPACE     NAME                                    READY     STATUS              RESTARTS   AGE       NODEkube-system   kubernetes-dashboard-3943700943-endp7   1/1       Running             0          2m        1.1.1.101kube-system   kubernetes-dashboard-3943700943-o60eg   0/1       ContainerCreating   0          2m        1.1.1.102kube-system   kubernetes-dashboard-3943700943-rk3yy   1/1       Running             0          2m        1.1.1.101

# 可以看到kube-ui服务正在运行，有两个副本分配到 101上了，一个在102上，但状态为 ContainerCreating，我们分别去101和102上查看下：

> docker psCONTAINER ID        IMAGE                         COMMAND             CREATED             STATUS              PORTS               NAMES75eb412a61d0        1.1.1.100:5000/kube-ui        "/kube-ui"          2 minutes ago       Up 2 minutes                            k8s_kubernetes-dashboard.d6579469_kubernetes-dashboard-3943700943-endp7_kube-system_f9bc4a36-8195-11e6-9113-000c294b72eb_5b4cbe1ebdd31a94f4f7        1.1.1.100:5000/kube-ui        "/kube-ui"          2 minutes ago       Up 2 minutes                            k8s_kubernetes-dashboard.d6579469_kubernetes-dashboard-3943700943-rk3yy_kube-system_f9bb65a7-8195-11e6-9113-000c294b72eb_9a24d635ff7417e55016        1.1.1.100:5000/pause:latest   "/pause"            2 minutes ago       Up 2 minutes                            k8s_POD.3dfbfbed_kubernetes-dashboard-3943700943-endp7_kube-system_f9bc4a36-8195-11e6-9113-000c294b72eb_7b72723108421b2f531d        1.1.1.100:5000/pause:latest   "/pause"            2 minutes ago       Up 2 minutes                            k8s_POD.3dfbfbed_kubernetes-dashboard-3943700943-rk3yy_kube-system_f9bb65a7-8195-11e6-9113-000c294b72eb_1c4cae12

# 查看子网分配

> kubectl --namespace=kube-system get ep kubernetes-dashboardNAME                   ENDPOINTS                       AGEkubernetes-dashboard   10.1.37.2:8080,10.1.37.3:8080   19m

5. master配置flannel

# 配置flannel网络，与minion连通master安装flannel，并启动

>yum install flannel -y>systemctl enable flanneld>systemctl start flanneld

6. 访问kube-ui

# 访问 http://1.1.1.100:8080/ui/ 会自动跳转 http://1.1.1.100:8080/api/v1/proxy/namespaces/kube-system/services/kube-ui/#/dashboard/ 即可访问kube-ui的dashboard 页面，如下图所示：

可以查看minion的系统信息，pods，RC，services等信息

• 自此，kube-ui搭建成功，后续对其进行一些操作实战。。。