Add centos/7 box manually

Author: rootsongjc

README-cn.md

@@ -63,6 +63,17 @@ vagrant up
 
 如果是首次部署，会自动下载`centos/7`的box，这需要花费一些时间，另外每个节点还需要下载安装一系列软件包，整个过程大概需要10几分钟。
 
+如果您在运行`vagrant up`的过程中发现无法下载`centos/7`的box，可以手动下载后将其添加到vagrant中。
+
+**手动添加centos/7 box**
+
+````bash
+wget -c http://cloud.centos.org/centos/7/vagrant/x86_64/images/CentOS-7-x86_64-Vagrant-1801_02.VirtualBox.box
+vagrant box add CentOS-7-x86_64-Vagrant-1801_02.VirtualBox.box --name centos/7
+````
+
+这样下次运行`vagrant up`的时候就会自动读取本地的`centos/7` box而不会再到网上下载。
+
 ### 访问kubernetes集群
 
 访问Kubernetes集群的方式有三种：

README.md

@@ -51,14 +51,35 @@ The container network range is `170.33.0.0/16` owned by flanneld with `host-gw`
 - Helm
 
 #### Setup
+
+Download kubernetes binary release first and move them to this git repo.
+
 ```bash
 git clone https://github.com/rootsongjc/kubernetes-vagrant-centos-cluster.git
 cd kubernetes-vagrant-centos-cluster
 vagrant up
 ```
 
+Before you run `vagrant up`  make sure this repo directory include the flowing files:
+
+- kubernetes-client-linux-amd64.tar.gz
+- kubernetes-server-linux-amd64.tar.gz
+
 Wait about 10 minutes the kubernetes cluster will be setup automatically.
 
+**Note**
+
+If you have difficult to vagrant up the cluster because of have no way to downlaod the `centos/7` box, you can download the box and add it first.
+
+**Add centos/7 box manually**
+
+```bash
+wget -c http://cloud.centos.org/centos/7/vagrant/x86_64/images/CentOS-7-x86_64-Vagrant-1801_02.VirtualBox.box
+vagrant box add CentOS-7-x86_64-Vagrant-1801_02.VirtualBox.box --name centos/7
+```
+
+The next time you run `vagrant up`, vagrant will import the local box automatically.
+
 #### Connect to kubernetes cluster
 
 There are 3 ways to access the kubernetes cluster.