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arch-qbittorrentvpn/run/nobody/watchdog.sh

202 lines
5.2 KiB

#!/bin/bash
# define destination file path for qbittorrent config file
qbittorrent_config="/config/qBittorrent/config/qBittorrent.conf"
# if qbittorrent config file doesnt exist then copy default to host config volume
if [[ ! -f "${qbittorrent_config}" ]]; then
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echo "[info] qBittorrent config file doesnt exist, copying default to /config/qBittorrent/config/..."
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# copy default qbittorrent config file to /config/qBittorrent/config/
mkdir -p /config/qBittorrent/config && cp /home/nobody/qbittorrent/config/* /config/qBittorrent/config/
else
echo "[info] qBittorrent config file already exists, skipping copy"
fi
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echo "[info] Removing session lock file (if it exists)..."
rm -f /config/qBittorrent/data/BT_backup/session.lock
# force unix line endings conversion in case user edited qbittorrent.conf with notepad
/usr/bin/dos2unix "${qbittorrent_config}"
# set locale to prevent 4.1.4 gui render issues if no locale set
grep -q 'General\\Locale' "${qbittorrent_config}" || sed -i '/\[Preferences\]/a General\\Locale=en' "${qbittorrent_config}"
# set default values for port and ip
qbittorrent_port="6881"
qbittorrent_ip="0.0.0.0"
# while loop to check ip and port
while true; do
# reset triggers to negative values
qbittorrent_running="false"
privoxy_running="false"
ip_change="false"
port_change="false"
if [[ "${VPN_ENABLED}" == "yes" ]]; then
# forcibly set allow anonymous access from localhost to api (used to change incoming port)
sed -i 's~^WebUI\\LocalHostAuth=.*~WebUI\\LocalHostAuth=false~g' "${qbittorrent_config}"
# run script to get all required info
source /home/nobody/preruncheck.sh
# if vpn_ip is not blank then run, otherwise log warning
if [[ ! -z "${vpn_ip}" ]]; then
# if current bind interface ip is different to tunnel local ip then re-configure qbittorrent
if [[ "${qbittorrent_ip}" != "${vpn_ip}" ]]; then
echo "[info] qBittorrent listening interface IP ${qbittorrent_ip} and VPN provider IP ${vpn_ip} different, marking for reconfigure"
# mark as reload required due to mismatch
ip_change="true"
fi
# check if qbittorrent is running, if not then skip shutdown of process
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if ! pgrep -x "qbittorrent-nox" > /dev/null; then
echo "[info] qBittorrent not running"
else
# mark as qbittorrent as running
qbittorrent_running="true"
fi
if [[ "${ENABLE_PRIVOXY}" == "yes" ]]; then
# check if privoxy is running, if not then skip shutdown of process
if ! pgrep -fa "/usr/bin/privoxy" > /dev/null; then
echo "[info] Privoxy not running"
else
# mark as privoxy as running
privoxy_running="true"
fi
fi
if [[ "${VPN_PROV}" == "pia" ]]; then
# if vpn port is not an integer then dont change port
if [[ ! "${VPN_INCOMING_PORT}" =~ ^-?[0-9]+$ ]]; then
# set vpn port to current qbittorrent port, as we currently cannot detect incoming port (line saturated, or issues with pia)
VPN_INCOMING_PORT="${qbittorrent_port}"
# ignore port change as we cannot detect new port
port_change="false"
else
if [[ "${qbittorrent_running}" == "true" ]]; then
# run netcat to identify if port still open, use exit code
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nc_exitcode=$(/usr/bin/nc -z -w 3 "${vpn_ip}" "${qbittorrent_port}")
if [[ "${nc_exitcode}" -ne 0 ]]; then
echo "[info] qBittorrent incoming port closed, marking for reconfigure"
# mark as reconfigure required due to mismatch
port_change="true"
fi
fi
if [[ "${qbittorrent_port}" != "${VPN_INCOMING_PORT}" ]]; then
echo "[info] qBittorrent incoming port $qbittorrent_port and VPN incoming port ${VPN_INCOMING_PORT} different, marking for reconfigure"
# mark as reconfigure required due to mismatch
port_change="true"
fi
fi
fi
if [[ "${port_change}" == "true" || "${ip_change}" == "true" || "${qbittorrent_running}" == "false" ]]; then
# run script to start qbittorrent, it can also perform shutdown of qbittorrent if its already running (required for port/ip change)
source /home/nobody/qbittorrent.sh
fi
if [[ "${ENABLE_PRIVOXY}" == "yes" ]]; then
if [[ "${privoxy_running}" == "false" ]]; then
# run script to start privoxy
source /home/nobody/privoxy.sh
fi
fi
else
echo "[warn] VPN IP not detected, VPN tunnel maybe down"
fi
else
# check if qbittorrent is running, if not then start via qbittorrent.sh
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if ! pgrep -x "qbittorrent-nox" > /dev/null; then
echo "[info] qBittorrent not running"
# run script to start qbittorrent
source /home/nobody/qbittorrent.sh
fi
if [[ "${ENABLE_PRIVOXY}" == "yes" ]]; then
# check if privoxy is running, if not then start via privoxy.sh
if ! pgrep -fa "/usr/bin/privoxy" > /dev/null; then
echo "[info] Privoxy not running"
# run script to start privoxy
source /home/nobody/privoxy.sh
fi
fi
fi
if [[ "${DEBUG}" == "true" && "${VPN_ENABLED}" == "yes" ]]; then
if [[ "${VPN_PROV}" == "pia" && -n "${VPN_INCOMING_PORT}" ]]; then
echo "[debug] VPN incoming port is ${VPN_INCOMING_PORT}"
echo "[debug] qBittorrent incoming port is ${qbittorrent_port}"
fi
echo "[debug] VPN IP is ${vpn_ip}"
echo "[debug] qBittorrent IP is ${qbittorrent_ip}"
fi
sleep 30s
done