-
-
Save Ari-E-S/4024d0b34c132c4b348e7f8e20904810 to your computer and use it in GitHub Desktop.
Script to delete all AWS default VPCs from all regions using AWS CLI
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| #!/usr/bin/env bash | |
| if [ "$AWS_PROFILE" = "" ]; then | |
| echo "No AWS_PROFILE set" | |
| exit 1 | |
| fi | |
| LIVERUN=false | |
| if [ "$1" == "confirm" ]; then | |
| while true; do | |
| read -p "This is a LIVE-RUN on $AWS_PROFILE! Continue? [y/N]" yn | |
| case $yn in | |
| [Yy]*) | |
| LIVERUN=true | |
| break | |
| ;; | |
| *) | |
| echo "Run cancelled. Nothing deleted" | |
| exit 0 | |
| ;; | |
| esac | |
| done | |
| else | |
| echo "This is a DRY-RUN on $AWS_PROFILE! Nothing will be deleted" | |
| echo "To actually delete resources, run '$0 confirm'" | |
| fi | |
| printf "\n\n\n" | |
| for region in $(aws --region us-east-1 --output text ec2 describe-regions --query '[Regions[].RegionName]'); do | |
| echo "* Region ${region}" | |
| # get default vpc | |
| vpc=$(aws --region ${region} --output text ec2 describe-vpcs --filter Name=isDefault,Values=true --query 'Vpcs[0].VpcId') | |
| if [ "${vpc}" = "None" ]; then | |
| echo " No default vpc found" | |
| continue | |
| fi | |
| echo " Found default vpc ${vpc}" | |
| # get internet gateway | |
| igw=$(aws --region ${region} --output text ec2 describe-internet-gateways --filter Name=attachment.vpc-id,Values=${vpc} --query 'InternetGateways[0].InternetGatewayId') | |
| if [ "${igw}" = "None" ]; then | |
| echo " No Internet Gateway attached to default vpc ${vpc} found" | |
| else | |
| echo " Detaching internet gateway ${igw}" | |
| [[ "$LIVERUN" == "true" ]] && aws --region ${region} ec2 detach-internet-gateway --internet-gateway-id ${igw} --vpc-id ${vpc} | |
| echo " Deleting internet gateway ${igw}" | |
| [[ "$LIVERUN" == "true" ]] && aws --region ${region} ec2 delete-internet-gateway --internet-gateway-id ${igw} | |
| fi | |
| # get subnets | |
| subnets=$(aws --region ${region} --output text ec2 describe-subnets --filters Name=vpc-id,Values=${vpc} --query '[Subnets[].SubnetId]') | |
| if [ "${subnets}" = "None" ]; then | |
| echo " No Subnets attached to default vpc ${vpc} found" | |
| else | |
| for subnet in ${subnets}; do | |
| echo " Deleting subnet ${subnet}" | |
| [[ "$LIVERUN" == "true" ]] && aws --region ${region} 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 " Deleting vpc ${vpc}" | |
| [[ "$LIVERUN" == "true" ]] && aws --region ${region} ec2 delete-vpc --vpc-id ${vpc} | |
| done |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment