Get a list of all managed instance Ids

Question

I need to be able to run a command from aws ssm cli to output a list.  
  
How to a do this from cli? I just need a csv list of every mi-xxxxxxx entry. Then, once I have that...I can use the list to feed this command:  
  
aws ssm update-managed-instance-role --instance-id "mi-xxxxxxx" --iam-role "My_Other_ROLE"  
  
I can change the role one at a time in the console for each mi, but I need to be able to do this programmatically.  
  
Edited by: kleinberger on Feb 22, 2019 9:39 AM

Accepted Answer

Hi,  
  
This example command will get list of managed instances.  
aws ssm describe-instance-information --filters Key=ResourceType,Values=ManagedInstance  --query "InstanceInformationList\[].InstanceId" --output text  
  
In addition, you can also filter by IAM role like this:  
aws ssm describe-instance-information --filters Key=ResourceType,Values=ManagedInstance Key=IamRole,Values=MyExampleRole  --query "InstanceInformationList\[].InstanceId" --output text  
  
Hope this helps.  
  
Thanks,  
Mani

Get a list of all managed instance Ids

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