Created
March 6, 2023 06:59
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Script to delete all AWS default VPCs from all regions using AWS CLI
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#!/usr/bin/env bash | |
REGIONS='us-east-1 (N. Virginia) | |
us-east-2 (Ohio) | |
us-west-1 (California) | |
us-west-2 (Oregon) | |
eu-central-1 (Frankfurt) | |
eu-west-1 (Ireland) | |
eu-west-2 (London) | |
eu-west-3 (Paris) | |
eu-north-1 (Stockholm) | |
ap-northeast-1 (Tokyo) | |
ap-northeast-2 (Seoul) | |
ap-south-1 (Mumbai) | |
ap-southeast-1 (Singapore) | |
ap-southeast-2 (Sydney) | |
ca-central-1 (Toronto) | |
sa-east-1 (Sao Paolo) | |
ap-northeast-3 (Osaka) | |
ap-east-1 (Honk Kong) | |
me-south-1 (Bahrain) | |
af-south-1 (Cape Town) | |
eu-south-1 (Milan)' | |
INDENT=' ' | |
echo "Using profile $AWS_PROFILE" | |
aws ec2 describe-regions --output text --query 'Regions[].[RegionName, OptInStatus]' | sort -r \ | |
| while read REGION OptInStatus; do | |
export AWS_DEFAULT_REGION=$REGION | |
RegName=$( echo "$REGIONS" | grep "^${REGION}" ) | |
[ -z "$RegName" ] && RegName="$REGION" | |
echo "* Region ${RegName}" | |
# get default vpc | |
vpc=$( aws ec2 describe-vpcs --filter Name=isDefault,Values=true --output text --query 'Vpcs[0].VpcId' ) | |
if [ "${vpc}" = "None" ]; then | |
echo "${INDENT}No default vpc found" | |
continue | |
fi | |
echo "${INDENT}Found default vpc ${vpc}" | |
# get internet gateway | |
igw=$(aws ec2 describe-internet-gateways --filter Name=attachment.vpc-id,Values=${vpc} --output text --query 'InternetGateways[0].InternetGatewayId' ) | |
if [ "${igw}" != "None" ]; then | |
echo "${INDENT}Detaching and deleting internet gateway ${igw}" | |
aws ec2 detach-internet-gateway --internet-gateway-id ${igw} --vpc-id ${vpc} | |
aws ec2 delete-internet-gateway --internet-gateway-id ${igw} | |
fi | |
# get subnets | |
subnets=$(aws ec2 describe-subnets --filters Name=vpc-id,Values=${vpc} --output text --query 'Subnets[].SubnetId' ) | |
if [ "${subnets}" != "None" ]; then | |
for subnet in ${subnets}; do | |
echo "${INDENT}Deleting subnet ${subnet}" | |
aws ec2 delete-subnet --subnet-id ${subnet} | |
done | |
fi | |
# https://docs.aws.amazon.com/cli/latest/reference/ec2/delete-vpc.html | |
# - You can't delete the main route table | |
# - You can't delete the default network acl | |
# - You can't delete the default security group | |
# delete default vpc | |
echo "${INDENT}Deleting vpc ${vpc}" | |
aws ec2 delete-vpc --vpc-id ${vpc} | |
done |
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