我怎样才能获得AWS实例标签的用户数据? [英] How can I get AWS Instance Tags in user-data?
问题描述
我使用AWS EC2用户数据使用Windows PowerShell脚本。我需要实例引导。我的想法是:
I use aws ec2 userdata with windows powershell scripts. I need instance bootstrapping. My idea is:
- 在EC2实例标签adds.It的键值名版本,它的价值1.0.0.158-BRANCHNAME
我试图让版本标记值的用户数据。我查了AWS HTTP API。它不能返回标签。我写了简单的PowerShell脚本:
I have tried to get version tag value in userdata. I checked aws http api. It can't return tags. I wrote simple powershell scripts:
$instanceId = (New-Object System.Net.WebClient).DownloadString("http://169.254.169.254/latest/meta-data/instance-id")
aws ec2 describe-tags --filters $filter --query 'Tags[*]'
我可以实例ID与AWS HTTP API。我不能获得实例变量,因为AWS EC2用户数据无法启动aws.exe。
I can get instance Id with aws http api. I can't get instance tags because AWS ec2 userdata can't start "aws.exe".
该脚本是正确的 - 实例启动之前,手动运行。
This script is correct - it is manually run before the instance is started.
注:AWS是aws.exe( https://aws.amazon.com/cli / )
Note: "aws" is "aws.exe" (https://aws.amazon.com/cli/)
推荐答案
我解决这个问题,我的问题是使用AWS CLI。我使用PowerShell的API,并解决它。
I resolve it, my problem is using aws cli . I use powershell api and fix it.
$instanceId = (New-Object System.Net.WebClient).DownloadString("http://169.254.169.254/latest/meta-data/instance-id")
$versionTag = Get-EC2Tag | ` Where-Object {$_.ResourceId -eq $instanceId -and $_.Key -eq 'Version'}
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