mirror of
https://github.com/donaldzou/WGDashboard.git
synced 2024-11-22 15:20:09 +01:00
109 lines
4.7 KiB
Bash
109 lines
4.7 KiB
Bash
#!/bin/bash
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echo "Starting the WireGuard Dashboard Docker container."
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clean_up() {
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# Cleaning out previous data such as the .pid file and starting the WireGuard Dashboard. Making sure to use the python venv.
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echo "Looking for remains of previous instances..."
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if [ -f "/opt/wireguarddashboard/app/src/gunicorn.pid" ]; then
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echo "Found old .pid file, removing."
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rm /opt/wireguarddashboard/app/src/gunicorn.pid
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else
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echo "No remains found, continuing."
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fi
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}
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start_core() {
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# This first step is to ensure the wg0.conf file exists, and if not, then its copied over from the ephemeral container storage.
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if [ ! -f "/etc/wireguard/wg0.conf" ]; then
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cp "/wg0.conf" "/etc/wireguard/wg0.conf"
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echo "WireGuard interface file copied over."
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else
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echo "WireGuard interface file looks to already be existing."
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fi
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echo "Activating Python venv and executing the WireGuard Dashboard service."
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. "${WGDASH}"/venv/bin/activate
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cd "${WGDASH}"/app/src || return # If changing the directory fails (permission or presence error), then bash will exist this function, causing the WireGuard Dashboard to not be succesfully launched.
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bash wgd.sh start
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# The following section takes care of the firewall rules regarding the 'isolated_peers' feature, which allows or drops packets destined from the wg0 to the wg0 interface.
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if [ "${isolated_peers,,}" = "false" ]; then
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echo "Isolated peers disabled, adjusting."
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sed -i '/PostUp = iptables -I FORWARD -i wg0 -o wg0 -j DROP/d' /etc/wireguard/wg0.conf
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sed -i '/PreDown = iptables -D FORWARD -i wg0 -o wg0 -j DROP/d' /etc/wireguard/wg0.conf
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elif [ "${isolated_peers,,}" = "true" ]; then
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upblocking=$(grep -c "PostUp = iptables -I FORWARD -i wg0 -o wg0 -j DROP" /etc/wireguard/wg0.conf)
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downblocking=$(grep -c "PreDown = iptables -D FORWARD -i wg0 -o wg0 -j DROP" /etc/wireguard/wg0.conf)
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if [ "$upblocking" -lt 1 ] && [ "$downblocking" -lt 1 ]; then
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echo "Isolated peers enabled, adjusting."
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sed -i '/PostUp = iptables -t nat -I POSTROUTING 1 -s/a PostUp = iptables -I FORWARD -i wg0 -o wg0 -j DROP' /etc/wireguard/wg0.conf
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sed -i '/PreDown = iptables -t nat -D POSTROUTING 1 -s/a PreDown = iptables -D FORWARD -i wg0 -o wg0 -j DROP' /etc/wireguard/wg0.conf
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fi
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fi
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# The following section takes care of
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if [ "${enable_wg0,,}" = "true" ]; then
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echo "Preference for wg0 to be turned on found."
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wg-quick up wg0
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else
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echo "Preference for wg0 to be turned off found."
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fi
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}
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set_envvars() {
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echo "Setting relevant variables for operation."
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# If the timezone is different, for example in North-America or Asia.
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if [ "${tz}" != "$(cat /etc/timezone)" ]; then
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echo "Changing timezone."
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ln -sf /usr/share/zoneinfo/"${tz}" /etc/localtime
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echo "${tz}" > /etc/timezone
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fi
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# Changing the DNS used for clients and the dashboard itself.
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if [ "${global_dns}" != "$(grep "peer_global_dns = " /opt/wireguarddashboard/app/src/wg-dashboard.ini | awk '{print $NF}')" ]; then
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echo "Changing default dns."
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#sed -i "s/^DNS = .*/DNS = ${global_dns}/" /etc/wireguard/wg0.conf # Uncomment if you want to have DNS on server-level.
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sed -i "s/^peer_global_dns = .*/peer_global_dns = ${global_dns}/" /opt/wireguarddashboard/app/src/wg-dashboard.ini
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fi
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# Setting the public IP of the WireGuard Dashboard container host. If not defined, it will trying fetching it using a curl to ifconfig.me.
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if [ "${public_ip}" = "0.0.0.0" ]; then
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default_ip=$(curl -s ifconfig.me)
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echo "Trying to fetch the Public-IP using ifconfig.me: ${default_ip}"
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sed -i "s/^remote_endpoint = .*/remote_endpoint = ${default_ip}/" /opt/wireguarddashboard/app/src/wg-dashboard.ini
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elif [ "${public_ip}" != "$(grep "remote_endpoint = " /opt/wireguarddashboard/app/src/wg-dashboard.ini | awk '{print $NF}')" ]; then
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echo "Setting the Public-IP using given variable: ${public_ip}"
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sed -i "s/^remote_endpoint = .*/remote_endpoint = ${public_ip}/" /opt/wireguarddashboard/app/src/wg-dashboard.ini
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fi
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}
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ensure_blocking() {
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sleep 1s
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echo "Ensuring container continuation."
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# This function checks if the latest error log is created and tails it for docker logs uses.
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if find "/opt/wireguarddashboard/app/src/log" -mindepth 1 -maxdepth 1 -type f | read -r; then
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latestErrLog=$(find /opt/wireguarddashboard/app/src/log -name "error_*.log" | head -n 1)
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latestAccLog=$(find /opt/wireguarddashboard/app/src/log -name "access_*.log" | head -n 1)
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tail -f "${latestErrLog}" "${latestAccLog}"
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fi
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# Blocking command in case of erroring. So the container does not quit.
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sleep infinity
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}
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# Execute functions for the WireGuard Dashboard services, then set the environment variables
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clean_up
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start_core
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set_envvars
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ensure_blocking |