AWS:RDS:List all DBs by CA Certificate - lbonanomi/notes GitHub Wiki
account=$(aws iam list-account-aliases | jq -r '.AccountAliases.[]' );
regions | while read r;
do
aws rds describe-db-instances --region=$r 2>/dev/null |\
jq -r '.DBInstances[] | ( [ .DBInstanceIdentifier , .Engine , .AvailabilityZone , .CACertificateIdentifier ] | @csv )' |\
awk '{ print "'$account','$r',"$0 }';
done