Change behaviour of transmission at start (so that cannot start without VPN)

install.sh

@@ -46,6 +46,7 @@ fi
 if [ "$dl_server" = "yes" ]; then
   $sudo cp $run_directory/systemd-templates/transmission-daemon.service /etc/systemd/system/
   $sudo sed -i -e "s/PH_NAS_USER/$nas_user/g" /etc/systemd/system/transmission-daemon.service
+  $sudo sed -i -e "s:PH_DIRECTORY:$run_directory:g" /etc/systemd/system/transmission-daemon.service
   $sudo sed -i -e "s/PH_AUTHORIZED_ADDRESSES/$authorized_ips/g" /etc/systemd/system/transmission-daemon.service
   $sudo sed -i -e "s/PH_USER/$user/g" /etc/systemd/system/transmission-daemon.service
   $sudo sed -i -e "s/PH_PASSWORD/$password/g" /etc/systemd/system/transmission-daemon.service

systemd-templates/transmission-daemon.service

@@ -1,12 +1,12 @@
 [Unit]
 Description=Transmission BitTorrent Daemon (KTO)
-Requires=transmission-vpn.service
 BindsTo=transmission-vpn.timer
 After=network.target transmission-vpn.timer
 
 [Service]
 User=PH_NAS_USER
 Type=notify
+ExecStartPre=PH_DIRECTORY/transmission-vpn.sh
 ExecStart=/usr/bin/transmission-daemon -f --log-error -a PH_AUTHORIZED_ADDRESSES -C -t -u PH_USER -v PH_PASSWORD -w PH_DL_LOCATION
 ExecStop=/bin/kill -s STOP $MAINPID
 ExecReload=/bin/kill -s HUP $MAINPID

transmission-vpn.sh

@@ -5,6 +5,8 @@
     # This will be achieved with a timer started and stopped with transmission service
   # On transmission starting
 # When the script exits with failure, associated service should try to start transmission service
+  # NOTE not on transmission starting, as this script is not run by its service; it means there's an issue with VPN at
+  # start, and this should be looked at manually
 # Thus this script will be executed again
   # We can enter an infinite loop, but this will effectively prevent transmission from connecting
 # If both services are stopped, this script will never be run by error