VPC and VPC Peering Enum Script

vpc-collect.sh

#!/bin/bash

# Default values
profile="default"
region="us-east-1" # Replace with your default region

# Function to display script usage
usage() {
  echo "Usage: $0 -p <profile> -r <region>"
  echo "Options:"
  echo "  -p <profile>    AWS profile name from .aws/credentials file"
  echo "  -r <region>     AWS region"
  exit 1
}

# Parse command line options
while getopts ":p:r:" opt; do
  case $opt in
    p)
      profile="$OPTARG"
      ;;
    r)
      region="$OPTARG"
      ;;
    \?)
      echo "Invalid option: -$OPTARG" >&2
      usage
      ;;
    :)
      echo "Option -$OPTARG requires an argument." >&2
      usage
      ;;
  esac
done

# Retrieve VPC information
vpcs=$(aws ec2 describe-vpcs --profile "$profile" --region "$region")

# Retrieve VPC peering connections
peering_connections=$(aws ec2 describe-vpc-peering-connections --profile "$profile" --region "$region")

# Output information to file
echo "VPCs:" > vpc-out.txt
echo "$vpcs" >> vpc-out.txt
echo "" >> vpc-out.txt
echo "VPC Peering Connections:" >> vpc-out.txt
echo "$peering_connections" >> vpc-out.txt

echo "Information written to vpc-out.txt"