Skip to content

Instantly share code, notes, and snippets.

@johnko

johnko/_aws_delete-default-vpc.sh

Forked from jokeru/aws_delete-default-vpc.sh
Last active January 30, 2022 09:56
Show Gist options
  • Save johnko/f08e6db94936ec6b9a9cb8c8a665f014 to your computer and use it in GitHub Desktop.
Save johnko/f08e6db94936ec6b9a9cb8c8a665f014 to your computer and use it in GitHub Desktop.
Download ZIP

Revisions

  1. johnko revised this gist Jan 30, 2022. No changes.
  2. johnko revised this gist Jan 30, 2022. 1 changed file with 49 additions and 26 deletions.
    75 changes: 49 additions & 26 deletions _aws_delete-default-vpc.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -1,42 +1,65 @@
    #/usr/bin/env bash
    set -euo pipefail

    exit 1

    # Need the SystemAdministrator AWS SSO / IAM PermissionSet

    for region in $(aws ec2 describe-regions --query 'Regions[].RegionName' --output text); do

    echo "* Region ${region}"

    # get default vpc
    vpc=$(aws ec2 --region ${region} describe-vpcs --filter Name=isDefault,Values=true --query 'Vpcs[0].VpcId' --output text)
    if [ "${vpc}" = "None" ]; then
    if [ "${vpc}" != "None" ]; then
    echo "Found default vpc ${vpc}"

    # get internet gateway
    igw=$(aws ec2 --region ${region} describe-internet-gateways --filter Name=attachment.vpc-id,Values=${vpc} --query 'InternetGateways[0].InternetGatewayId' --output text)
    if [ "${igw}" != "None" ]; then
    echo "Detaching and deleting internet gateway ${igw}"
    aws ec2 --region ${region} detach-internet-gateway --internet-gateway-id ${igw} --vpc-id ${vpc}
    aws ec2 --region ${region} delete-internet-gateway --internet-gateway-id ${igw}
    fi

    # get subnets
    subnets=$(aws ec2 --region ${region} describe-subnets --filters Name=vpc-id,Values=${vpc} --query 'Subnets[].SubnetId' --output text)
    if [ "${subnets}" != "None" ]; then
    for subnet in ${subnets}; do
    echo "Deleting subnet ${subnet}"
    aws ec2 --region ${region} 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}"
    aws ec2 --region ${region} delete-vpc --vpc-id ${vpc}
    else
    echo " No default vpc found"
    continue
    fi
    echo "Found default vpc ${vpc}"

    # get internet gateway
    igw=$(aws ec2 --region ${region} describe-internet-gateways --filter Name=attachment.vpc-id,Values=${vpc} --query 'InternetGateways[0].InternetGatewayId' --output text)
    if [ "${igw}" != "None" ]; then
    echo "Detaching and deleting internet gateway ${igw}"
    aws ec2 --region ${region} detach-internet-gateway --internet-gateway-id ${igw} --vpc-id ${vpc}
    aws ec2 --region ${region} delete-internet-gateway --internet-gateway-id ${igw}
    fi

    # get subnets
    subnets=$(aws ec2 --region ${region} describe-subnets --filters Name=vpc-id,Values=${vpc} --query 'Subnets[].SubnetId' --output text)
    if [ "${subnets}" != "None" ]; then
    for subnet in ${subnets}; do
    echo "Deleting subnet ${subnet}"
    aws ec2 --region ${region} delete-subnet --subnet-id ${subnet}
    done
    fi
    # # get dhcp options
    # dhcpoptions=$(aws ec2 --region ${region} describe-dhcp-options --query 'DhcpOptions[0].DhcpOptionsId' --output text)
    # if [ "${dhcpoptions}" != "None" ]; then
    # for dhcp in ${dhcpoptions}; do

    # if aws ec2 --region ${region} describe-dhcp-options --dhcp-options-id ${dhcp} --query 'DhcpOptions[0].DhcpConfigurations[].Key' --output text \
    # | grep -q 'domain-name\s*domain-name-servers'; then

    # if aws ec2 --region ${region} describe-dhcp-options --dhcp-options-id ${dhcp} --query 'DhcpOptions[0].DhcpConfigurations[].Values[].Value' --output text \
    # | grep -q -E '('$region'.compute.internal\s*AmazonProvidedDNS|ec2.internal\s*AmazonProvidedDNS)'; then

    # 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
    # echo "Deleting dhcp-options ${dhcp}"
    # aws ec2 --region ${region} delete-dhcp-options --dhcp-options-id ${dhcp}

    # delete default vpc
    echo "Deleting vpc ${vpc}"
    aws ec2 --region ${region} delete-vpc --vpc-id ${vpc}
    # fi
    # fi
    # done
    # fi

    done
  3. johnko revised this gist Jan 30, 2022. 1 changed file with 42 additions and 58 deletions.
    100 changes: 42 additions & 58 deletions _aws_delete-default-vpc.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -1,58 +1,42 @@
    #!/usr/bin/env bash


    if [ "$AWS_PROFILE" = "" ]; then
      echo "No AWS_PROFILE set"
      exit 1
    fi


    for region in $(aws ec2 describe-regions --region eu-west-1 | jq -r .Regions[].RegionName); do

      echo "* Region ${region}"

      # get default vpc
      vpc=$(aws ec2 --region ${region} \
        describe-vpcs --filter Name=isDefault,Values=true \
        | jq -r .Vpcs[0].VpcId)
      if [ "${vpc}" = "null" ]; then
        echo "No default vpc found"
        continue
      fi
      echo "Found default vpc ${vpc}"

      # get internet gateway
      igw=$(aws ec2 --region ${region} \
        describe-internet-gateways --filter Name=attachment.vpc-id,Values=${vpc} \
        | jq -r .InternetGateways[0].InternetGatewayId)
      if [ "${igw}" != "null" ]; then
        echo "Detaching and deleting internet gateway ${igw}"
        aws ec2 --region ${region} \
          detach-internet-gateway --internet-gateway-id ${igw} --vpc-id ${vpc}
        aws ec2 --region ${region} \
          delete-internet-gateway --internet-gateway-id ${igw}
      fi

      # get subnets
      subnets=$(aws ec2 --region ${region} \
        describe-subnets --filters Name=vpc-id,Values=${vpc} \
        | jq -r .Subnets[].SubnetId)
      if [ "${subnets}" != "null" ]; then
        for subnet in ${subnets}; do
          echo "Deleting subnet ${subnet}"
          aws ec2 --region ${region} \
            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}"
      aws ec2 --region ${region} \
        delete-vpc --vpc-id ${vpc}

    done
    #/usr/bin/env bash
    set -euo pipefail

    for region in $(aws ec2 describe-regions --query 'Regions[].RegionName' --output text); do

    echo "* Region ${region}"

    # get default vpc
    vpc=$(aws ec2 --region ${region} describe-vpcs --filter Name=isDefault,Values=true --query 'Vpcs[0].VpcId' --output text)
    if [ "${vpc}" = "None" ]; then
    echo " No default vpc found"
    continue
    fi
    echo "Found default vpc ${vpc}"

    # get internet gateway
    igw=$(aws ec2 --region ${region} describe-internet-gateways --filter Name=attachment.vpc-id,Values=${vpc} --query 'InternetGateways[0].InternetGatewayId' --output text)
    if [ "${igw}" != "None" ]; then
    echo "Detaching and deleting internet gateway ${igw}"
    aws ec2 --region ${region} detach-internet-gateway --internet-gateway-id ${igw} --vpc-id ${vpc}
    aws ec2 --region ${region} delete-internet-gateway --internet-gateway-id ${igw}
    fi

    # get subnets
    subnets=$(aws ec2 --region ${region} describe-subnets --filters Name=vpc-id,Values=${vpc} --query 'Subnets[].SubnetId' --output text)
    if [ "${subnets}" != "None" ]; then
    for subnet in ${subnets}; do
    echo "Deleting subnet ${subnet}"
    aws ec2 --region ${region} 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}"
    aws ec2 --region ${region} delete-vpc --vpc-id ${vpc}

    done
  4. johnko renamed this gist Jan 30, 2022. 1 changed file with 0 additions and 0 deletions.
    0 aws_delete-default-vpc.sh → _aws_delete-default-vpc.sh
    View file
    File renamed without changes.
  5. @jokeru jokeru created this gist Mar 31, 2018.
    58 changes: 58 additions & 0 deletions aws_delete-default-vpc.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,58 @@
    #!/usr/bin/env bash


    if [ "$AWS_PROFILE" = "" ]; then
      echo "No AWS_PROFILE set"
      exit 1
    fi


    for region in $(aws ec2 describe-regions --region eu-west-1 | jq -r .Regions[].RegionName); do

      echo "* Region ${region}"

      # get default vpc
      vpc=$(aws ec2 --region ${region} \
        describe-vpcs --filter Name=isDefault,Values=true \
        | jq -r .Vpcs[0].VpcId)
      if [ "${vpc}" = "null" ]; then
        echo "No default vpc found"
        continue
      fi
      echo "Found default vpc ${vpc}"

      # get internet gateway
      igw=$(aws ec2 --region ${region} \
        describe-internet-gateways --filter Name=attachment.vpc-id,Values=${vpc} \
        | jq -r .InternetGateways[0].InternetGatewayId)
      if [ "${igw}" != "null" ]; then
        echo "Detaching and deleting internet gateway ${igw}"
        aws ec2 --region ${region} \
          detach-internet-gateway --internet-gateway-id ${igw} --vpc-id ${vpc}
        aws ec2 --region ${region} \
          delete-internet-gateway --internet-gateway-id ${igw}
      fi

      # get subnets
      subnets=$(aws ec2 --region ${region} \
        describe-subnets --filters Name=vpc-id,Values=${vpc} \
        | jq -r .Subnets[].SubnetId)
      if [ "${subnets}" != "null" ]; then
        for subnet in ${subnets}; do
          echo "Deleting subnet ${subnet}"
          aws ec2 --region ${region} \
            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}"
      aws ec2 --region ${region} \
        delete-vpc --vpc-id ${vpc}

    done