List of AWS instances by TAG value using powershell

Question

We are taging our AWS instances, I will like to retrieve a list of ALL our instances (ELB, S3, EC2, Security Groups) by TAG reference. for instance we consistently TAG our resources with something like this: { "Key": "Project", "Value": "bananas" },

How can we obtain trough power-shell a list of ALL our resources that contain the TAG Project value "bananas"?

I was able to get all my EC2s using the below script:

$instance = Get-EC2Instance -Filter @( @{name='tag:Project'; values="bananas"}; @{name='instance-state-code'; values = 16} ) | Select-Object -ExpandProperty instances #Get instance ID ignoring any terminated instances $instance | Export-CSV "C:\ec2.csv"

But I'm not sure how to obtain all my tagged resources using one script.

Anthony Neace · Accepted Answer · 2017-07-12 21:29:56Z

5

Check out the AWS Resource Groups Tagging API cmdlets -- these are relatively new, so you may have to update your AWS Tools for PowerShell to the latest version to be able to use them.

Example

The example below calls Get-RGTResource for the tag Key=Project, Value=Bananas, and filters the response to all ResourceARNs that were retrieved. The ResourceARN is a unique identifier for each AWS resource, and you can use these as a starting point to call out to other AWS services to get more details about each associated resource.

(Get-RGTResource -TagFilter @{Key="Project"; Values = @("bananas")}).ResourceARN

Example Output

arn:aws:ec2:us-east-1:<accountid>:instance/i-abcd1234
arn:aws:ec2:us-west-2:<accountid>:vpc/vpc-abcd1234
arn:aws:ec2:us-east-2:<accountid>:security-group/sg-abcd1234
arn:aws:elasticloadbalancing:us-east-1:<accountid>:loadbalancer/abcd1234
arn:aws:elasticmapreduce:us-east-1:<accountid>:cluster/abcd1234

1 Comment

user2690511 Over a year ago

Really useful info in your response. exactly what I was looking for, thank you Anthony!

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