Show all EBS volumes size by filtering any environment

CalculateEBSVolumes.sh

# Shows all volumes of any environment

REGION='us-east-1'

VOLUMES=$(aws ec2 describe-instances  --region=$REGION   --query 'Reservations[*].Instances[*].BlockDeviceMappings[*].Ebs' --filter "Name=tag:Environment,Values=Uat" --output text | awk '{print($4)}')


echo "Your volumes $VOLUMES"

for VOLUME in $VOLUMES
do
    aws ec2 describe-volumes --region $REGION --volume-ids $VOLUME --query 'Volumes[*].Size' --output text
done

First you have to write .boto your credentials