EMRクラスタにNameタグをつけたところ、クラスタを構成するEC2のNameタグにも同じ値が設定されました。
Amazon EMR クラスターにタグを追加すると、タグはクラスターに関連付けられているアクティブな Amazon EC2 インスタンスそれぞれに伝達されます。
[cloudshell-user@ip-10-X-XXX-XXX ~]$ aws emr describe-cluster --cluster-id j-XXXXXXXXXXXXX { "Cluster": { "Id": "j-XXXXXXXXXXXXX", "Status": { "State": "WAITING", "StateChangeReason": { "Message": "Cluster ready to run steps." }, "Tags": [ { "Key": "Name", "Value": "Hoge" } ], ... [cloudshell-user@ip-10-X-XXX-XXX ~]$ aws ec2 describe-instances |\ > jq -r '.Reservations | sort_by(.Instances[].Tags[] | select(.Key == "Name").Value) | .[].Instances[] | [(.Tags[] | select(.Key == "Name").Value), .InstanceId, .PublicIpAddress, .PrivateIpAddress, .InstanceType, .PlatformDetails, .LaunchTime, .State.Name] | @csv' "Hoge","i-XXXXXXXXXXXXXXXXX",,"192.168.X.XX","m4.large","Linux/UNIX","2021-12-20T15:29:55+00:00","running" "Hoge","i-XXXXXXXXXXXXXXXXX",,"192.168.X.XX","m4.large","Linux/UNIX","2021-12-20T15:29:55+00:00","running" "Hoge","i-XXXXXXXXXXXXXXXXX",,"192.168.X.XX","m4.large","Linux/UNIX","2021-12-20T15:29:55+00:00","running"