AWS reassigning IP addresses automatically

.bash_profile

function renew_aws_ip {

  SECURITY_GROUP=$1
  NAME_OF_RULE=$2
  
  REGION="--region=eu-west-1" 
  if [ ! -z "$3" ]; then
    REGION="--region=$3"
  fi

  echo "Remove security group rule for $SECURITY_GROUP"
  aws ec2 describe-security-groups $REGION \
  --group-ids $SECURITY_GROUP \
  --query "SecurityGroups[0].IpPermissions[*].IpRanges" \
  | jq 'flatten | .[] | select(.Description == "'$NAME_OF_RULE'") | .CidrIp ' \
  | xargs -I {} aws ec2 revoke-security-group-ingress $REGION --group-id $SECURITY_GROUP --protocol -1 --port 0-65535 --cidr {}

  echo "Add security group rule for $SECURITY_GROUP"
  curl ifconfig.me | xargs -I {} aws ec2 authorize-security-group-ingress $REGION --group-id $SECURITY_GROUP --ip-permissions IpProtocol=-1,FromPort=0,ToPort=65535,IpRanges='[{CidrIp={}/32,Description="'$NAME_OF_RULE'"}]'
}

function renew_my_aws_ip {
  renew_aws_ip "sg-xxxxxx" "Gemma"
  renew_aws_ip "sg-xxxxxx" "Gemma" "us-east-1"
}

alias ipup='renew_my_aws_ip'