Restore custom config into edgerouter

10_restore-custom.sh

#!/bin/bash

# to be stored into /config/scripts/post-config.d/10_restore-custom.sh
config_root=/config/user-data/root/

cp /config/user-data/root/sbin/dhclient3 /sbin/
dpkg -i /config/user-data/root/unbound_install/*.deb

mkdir /unbound_install
mkdir -p /var/log/vlmcsd
mkdir -p /opt/kms
useradd vlmcsd

# custom PS1
sed -i -e 's/^PS1=.*$/PS1='"'"'\\[\\033[01;32m\\]\\u@\\h\\[\\033[01;34m\\] \\w \\$\\[\\033[00m\\] '"'"'/' /etc/bash.bashrc

# disable ipv6 on eth2 because I do not use the tunnel from sfr
echo 0 > /proc/sys/net/ipv6/conf/eth0/disable_ipv6

# synchronize the config tree with root
if [ ! -d "$config_root" ]; then
echo "Nothing to sync"
exit 0
fi

find "$config_root" -type f -print | \
while read i;
do
target=$(echo $i | cut -d'/' -f5-)
cp "$i" "/$target"
done

# adjust kms permissions & start service
chown vlmcsd:vlmcsd /var/log/vlmcsd
chmod +x /opt/kms/vlmcsd
systemctl enable vlmcsd

# specific tasks for ipsec
ipsec rereadall
ipsec reload

# specific tasks for unbound
curl "https://pgl.yoyo.org/adservers/serverlist.php?hostformat=unbound&showintro=1&mimetype=plaintext" > /etc/unbound/unbound_ad_servers
install -d -o unbound -g unbound -m 755 /var/log/unbound
service unbound restart