ec2_instance_name_from_id.sh

ec2_instance_name_from_id.sh

#!/bin/bash
InstanceId=$1
#for region in `aws ec2 describe-regions --output text | cut -f3` #unoptimized list order
for region in us-east-1 us-east-2 us-west-1 us-west-2 eu-north-1 ap-south-1 eu-west-3 eu-west-2 eu-west-1 ap-northeast-2 ap-northeast-1 sa-east-1 ca-central-1 ap-southeast-1 ap-southeast-2 eu-central-1;
do
    Name=$(aws ec2 describe-instances --region $region --instance-ids=$InstanceId | jq -r '.Reservations[].Instances[].Tags[] | select(.Key=="Name").Value')
    if [ "$Name" != "" ];
    then
        echo $Name
        break
    fi
done