add backup and restore steps for user data

Author: aptalca

Dockerfile

@@ -16,7 +16,8 @@ RUN \
  apt-get install -y \
 	iptables \
 	net-tools \
-	rsync && \
+	rsync \
+	sqlite3 && \
  echo "**** download openvpn-as ****" && \
  if [ -z ${OPENVPNAS_VERSION+x} ]; then \
 	OPENVPNAS_VERSION=$(curl -w "%{url_effective}" -ILsS -o /dev/null \

root/etc/cont-init.d/30-config

@@ -8,15 +8,49 @@ if [ ! -c /dev/net/tun ]; then
   mknod /dev/net/tun c 10 200
 fi
 
-# copy config or update
+# install or update openvpn-as
 if [ -f /openvpn/openvpn.deb ]; then
-	echo "installing openvpn"
 	rm -rf /usr/local/openvpn_as
 	ln -s /config /usr/local/openvpn_as
-	dpkg -i /openvpn/openvpn.deb
-	rm /openvpn/openvpn.deb
-	apt-get clean
-	rm -rf /tmp
+	if [ ! -f /config/etc/as.conf ]; then
+		echo "installing openvpn-as for the first time"
+		dpkg -i /openvpn/openvpn.deb
+		rm /openvpn/openvpn.deb
+	else
+		echo "existing data found, reinstalling openvpn-as"
+		mkdir -p /config/backup
+		cd /config/etc/db
+		DBFILESBAK=*.db
+		for f in $DBFILESBAK
+		do
+			echo "backing up $f"
+			sqlite3 "$f" .dump > /config/backup/"$f"
+		done
+		echo "backing up as.conf"
+		cp /config/etc/as.conf /config/backup/as.conf
+		cd /config
+		shopt -s extglob
+		rm -rf !("backup"|"log")
+		shopt -u extglob
+		dpkg -i /openvpn/openvpn.deb
+		rm /openvpn/openvpn.deb
+		sed -i \
+			-e 's#=openvpn_as#=abc#g' \
+			-e 's#~/tmp#/openvpn/tmp#g' \
+			-e 's#~/sock#/openvpn/sock#g' \
+			/usr/local/openvpn_as/etc/as_templ.conf
+		cd /config/backup
+		DBFILERES=*.db
+		for f in $DBFILERES
+		do
+			echo "restoring $f"
+			rm -f /config/etc/db/"$f"
+			sqlite3 </config/backup/"$f" /config/etc/db/"$f"
+		done
+		rm -f /config/etc/as.conf
+		echo "restoring as.conf"
+		cp /config/backup/as.conf /config/etc/as.conf
+		rm -rf /config/backup
 fi
 
 # clear old sock files

root/etc/cont-init.d/50-interface

@@ -6,8 +6,8 @@ else
 SET_INTERFACE=$INTERFACE
 fi
 
-/config/scripts/confdba -mk "admin_ui.https.ip_address" -v "$SET_INTERFACE"
-/config/scripts/confdba -mk "cs.https.ip_address" -v "$SET_INTERFACE"
-/config/scripts/confdba -mk "vpn.daemon.0.listen.ip_address" -v "$SET_INTERFACE"
-/config/scripts/confdba -mk "vpn.daemon.0.server.ip_address" -v "$SET_INTERFACE"
+/usr/local/openvpn_as/scripts/confdba -mk "admin_ui.https.ip_address" -v "$SET_INTERFACE"
+/usr/local/openvpn_as/scripts/confdba -mk "cs.https.ip_address" -v "$SET_INTERFACE"
+/usr/local/openvpn_as/scripts/confdba -mk "vpn.daemon.0.listen.ip_address" -v "$SET_INTERFACE"
+/usr/local/openvpn_as/scripts/confdba -mk "vpn.daemon.0.server.ip_address" -v "$SET_INTERFACE"
 

root/etc/services.d/openvpn/run

@@ -1,3 +1,3 @@
 #!/usr/bin/with-contenv bash
 
-/config/scripts/openvpnas --nodaemon --umask=0077 --pidfile=/openvpn/pid/openvpn.pid --logfile=/config/log/openvpn.log
+/usr/local/openvpn_as/scripts/openvpnas --nodaemon --umask=0077 --pidfile=/openvpn/pid/openvpn.pid --logfile=/config/log/openvpn.log