thibautsacreste

#!/usr/bin/env bash

# shows uses of an AWS security group:
# * lists all network interfaces it is attached to.
# * lists all other security groups referencing it in inbound rules.
# usage: aws.sg my-security-group-name
# requires aws-cli and jq.

group_name=$1
group_id=`aws ec2 describe-security-groups --filters "Name=group-name,Values=$group_name" | \