Question

我使用ec2-describe-instances -H检索有关当前Amazon EC2实例的数据，该实例返回如下内容：

Type    ReservationID   Owner   Groups  Platform
RESERVATION r-xxxxxxxx  xxxxxxxxxxxx    default
INSTANCE    i-xxxxxxxx  ami-2b5fba42    ec2-xx-xx-xx-xx.compute-1.amazonaws.com ip-xx-xx-xx-xx.ec2.internal running user    0       m1.small    2011-07-12T21:15:39+0000    us-east-1a  aki-xxxxxxxx    ari-xxxxxxxx        monitoring-disabled xx.xx.xx.xx xx.xx.xx.xx         instance-store          paravirtual xen     sg-xxxxxxxx default

在OS X终端中看起来很乱。如何使这个输出更具可读性？

Answer 1

我刚刚发了一篇你可能感兴趣的bash / awk脚本：

https://github.com/epheph/fec2din

它以以下格式显示EC2实例输出：

Instance: i-57192e11
AMI: ami-a7f539ce
Type: t1.micro
Public IP: 50.99.41.60 (ec2-50-99-41-60.compute-1.amazonaws.com)
Private IP: 10.99.241.197
Public Key: production
Start Time: 2011-11-09
Security Group: production
Block Devices:
    /dev/sda1
    /dev/sdj
    /dev/sdk

Answer 2

您希望查看或查看哪些具体部分？

 ec2-describe-instances | grep INSTANCE | awk {'print $4'}

这将为您提供实例名称，在您的示例中为ec2-xx-xx-xx-xx.compute-1.amazonaws.com。

修改

当提问的人说他们希望用更清洁的格式 ...而没有说明那是什么......这是我的微弱尝试：

#!/bin/bash tmpFile="/tmp/ec2.info" ec2Info=`ec2-describe-instances > $tmpFile` instances=`cat $tmpFile | grep TAG | awk {'print $3'}` numOfInstances=`cat $tmpFile | grep INSTANCE | wc -l` you=`whoami` echo "Dear $you, I wanted to describe for you the current number of instances you have: $numOfInstances" echo "The instances you have, by hostname, are as follows ..." for instance in $instances do hostname=`cat $tmpFile | grep INSTANCE | grep $instance | awk {' print $4 '}` echo "$hostname" done

小免责声明上述代码可能并不完美......它可以让提出问题的人提供正确的信息，以便制作一个干净的格式＆＃34;但他们认为合适。

从命令行格式化Amazon EC2实例列表

2 个答案: