创建volume和安装mysql
下载key
http://docs.amazonwebservices.com/AWSEC2/latest/UserGuide/using-credentials.html#using-credentials-certificate
配置tools
http://docs.amazonwebservices.com/AWSEC2/latest/UserGuide/setting-up-your-tools.html
安装mysql
http://aws.amazon.com/articles/1663
