aws cloudformation get-template --stack-name ${stack} \
--template-stage Original --output text \
| grep -v STAGESAVAILABLE > ${stack}.template.yaml
aws cloudformation describe-stacks --stack-name ${stack} \
| jq .Stacks[].Parameters > ${stack}.params.json
aws cloudformation estimate-template-cost \
--template-body file://${stack}.template.yaml \
--parameters file://${stack}.params.json \
--output text