cfn-init 在使用 Cloud Formation 的 VPC 中不起作用

Question

这是我第一次尝试 VPC。

我刚刚将模板更改为使用 VPC。当堆栈在 VPC 外部启动时一切正常，但现在它们在 VPC 内部，我无法在使用 cfn-init (Ec2Config) 包的实例启动期间从 S3 下载我的文件。它是一个 Windows 盒子。

我在 cfn-init 日志中看到以下日志：

2012-10-11 08:11:40,992 DEBUG Client initialized with endpoint https://cloudformation.us-east-1.amazonaws.com  
2012-10-11 08:11:41,523 DEBUG Describing resource LaunchConfigName in stack StackName  
2012-10-11 08:12:03,113 ERROR URLError: getaddrinfo returns an empty list  
2012-10-11 08:12:03,144 DEBUG Sleeping for 0.921699 seconds before retrying  
2012-10-11 08:12:25,109 ERROR URLError: getaddrinfo returns an empty list  
2012-10-11 08:12:25,109 DEBUG Sleeping for 1.240427 seconds before retrying  
2012-10-11 08:12:47,386 ERROR URLError: getaddrinfo returns an empty list  
2012-10-11 08:12:47,386 DEBUG Sleeping for 5.528233 seconds before retrying  
2012-10-11 08:13:13,968 ERROR URLError: getaddrinfo returns an empty list  
2012-10-11 08:13:13,968 DEBUG Sleeping for 4.688940 seconds before retrying  
2012-10-11 08:13:39,677 ERROR URLError: getaddrinfo returns an empty list  

我在 cfn-hup 日志中看到以下日志：

2012-10-11 08:23:06,550 ERROR Error: could not find main configuation at C:\cfn\cfn-hup.conf  
2012-10-11 08:23:06,893 ERROR Error: main section must contain stack option  
2012-10-11 08:33:06,089 ERROR Error: could not find main configuation at C:\cfn\cfn-hup.conf  
2012-10-11 08:33:06,370 ERROR Error: main section must contain stack option  
2012-10-11 08:43:06,533 ERROR Error: could not find main configuation at C:\cfn\cfn-hup.conf  
2012-10-11 08:43:06,876 ERROR Error: main section must contain stack option  
2012-10-11 08:53:06,119 ERROR Error: could not find main configuation at C:\cfn\cfn-hup.conf  
2012-10-11 08:53:06,416 ERROR Error: main section must contain stack option  

从实例中，我可以通过网络浏览器访问互联网。

Answer 1

您需要设置一个 NAT 服务器或为盒子分配一个弹性 IP 地址，否则它无法与互联网通信。