#!/bin/bash
#IP=192.168.1.5                                         # Server IP
IP=127.0.0.1                                            # Server IP 
P=1194                                                  # Server Port
OVPN_SERVER='10.80.0.0/16'                              # VPN Network

#vpn_data=/var/lib/swarmlab/openvpn/openvpn-services/    # Dir to save data ** this must exist **
vpn_data=$PWD/openvpn-services/    # Dir to save data ** this must exist **

NAME=swarmlab-vpn-services                              # name of docker service
DOCKERnetwork=swarmlab-vpn-services-network             # docker network
docker=registry.vlabs.uniwa.gr:5080/myownvpn            # docker image

docker stop  $NAME					#stop container
sleep 3
docker container rm  $NAME				#rm container

# rm config files
 rm -f $vpn_data/openvpn.conf.*.bak
 rm -f $vpn_data/openvpn.conf
 rm -f $vpn_data/ovpn_env.sh.*.bak
 rm -f $vpn_data/ovpn_env.sh

# create network
sleep 2
docker network create --attachable=true --driver=bridge --subnet=172.50.0.0/16 --gateway=172.50.0.1 $DOCKERnetwork


#run container
sleep 2
docker run --net=none -it -v $vpn_data:/etc/openvpn -p 1194:1194  --rm $docker ovpn_genconfig  -u udp://$IP:1194 \
-N -d -c -p "route 172.50.20.0 255.255.255.0" -e "topology subnet" -s $OVPN_SERVER


# create pki
sleep 3
echo "new pki is disabled"
docker run --net=none -v $vpn_data:/etc/openvpn  --rm -it $docker ovpn_initpki

#sleep 3
#docker run --net=none -v $vpn_data:/etc/openvpn  --rm $docker ovpn_copy_server_files

#create vpn
sleep 3
docker run --detach --name $NAME -v $vpn_data:/etc/openvpn --net=$DOCKERnetwork --ip=172.50.0.2 -p $P:1194/udp --cap-add=NET_ADMIN $docker

sleep 5
#sudo sysctl -w net.ipv4.ip_forward=1

#show created
docker ps