#!/bin/bash

# Copyright 2019 Hetzner Online GmbH
#
# Licensed under the MIT License. See the LICENSE accompanying this file
# for the specific language governing permissions and limitations under
# the License.

if [ $UID -ne 0 ]; then
  echo "error: ${0##*/} must be run as root"
  exit 1
fi

logger --tag hc-ifscan "Scanning for unconfigured interfaces"
for dev in $(find /sys/class/net/eth*) ; do
  state=$(cat ${dev}/operstate)
  if [ "${state}" == "down" ] ; then
    logger --tag hc-ifscan "Configuring ${dev##*/}"
    /bin/systemctl start hc-net-ifup@${dev##*/}
  fi
done