This commit is contained in:
Donald Zou 2024-11-07 23:47:08 +08:00
parent ec5f4f2778
commit cc179a05d0
3 changed files with 283 additions and 55 deletions

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# Pull from small Debian stable image.
FROM alpine:latest AS builder
FROM alpine:latest
LABEL maintainer="dselen@nerthus.nl"
WORKDIR /opt/wireguarddashboard/src
# Declaring environment variables, change Peernet to an address you like, standard is a 24 bit subnet.
ARG wg_net="10.0.0.1"
ARG wg_port="51820"
RUN apk update && \
apk add --no-cache sudo gcc musl-dev rust cargo linux-headers
# Following ENV variables are changable on container runtime because /entrypoint.sh handles that. See compose.yaml for more info.
ENV TZ="Europe/Amsterdam"
ENV global_dns="1.1.1.1"
ENV enable="none"
ENV isolate="none"
ENV public_ip="0.0.0.0"
COPY ./docker/alpine/builder.sh /opt/wireguarddashboard/src/
COPY ./docker/alpine/requirements.txt /opt/wireguarddashboard/src/
RUN chmod u+x /opt/wireguarddashboard/src/builder.sh
RUN /opt/wireguarddashboard/src/builder.sh
# Doing package management operations, such as upgrading
RUN apk update \
&& apk add --no-cache bash git tzdata \
iptables ip6tables openrc curl wireguard-tools \
sudo py3-psutil py3-bcrypt \
&& apk upgrade
# Using WGDASH -- like wg_net functionally as a ARG command. But it is needed in entrypoint.sh so it needs to be exported as environment variable.
ENV WGDASH=/opt/wireguarddashboard
FROM alpine:latest
WORKDIR /opt/wireguarddashboard/src
# Removing the Linux Image package to preserve space on the image, for this reason also deleting apt lists, to be able to install packages: run apt update.
COPY ./src /opt/wireguarddashboard/src/
COPY --from=builder /opt/wireguarddashboard/src/venv /opt/wireguarddashboard/src/venv
COPY --from=builder /opt/wireguarddashboard/src/log /opt/wireguarddashboard/src/log/
# Doing WireGuard Dashboard installation measures. Modify the git clone command to get the preferred version, with a specific branch for example.
RUN mkdir /data \
&& mkdir /configs \
&& mkdir -p ${WGDASH}/src
COPY ./src ${WGDASH}/src
RUN apk update && \
apk add --no-cache wireguard-tools sudo && \
apk add --no-cache iptables ip6tables && \
chmod u+x /opt/wireguarddashboard/src/entrypoint.sh
# Generate basic WireGuard interface. Echoing the WireGuard interface config for readability, adjust if you want it for efficiency.
# Also setting the pipefail option, verbose: https://github.com/hadolint/hadolint/wiki/DL4006.
SHELL ["/bin/bash", "-o", "pipefail", "-c"]
RUN out_adapt=$(ip -o -4 route show to default | awk '{print $NF}') \
&& echo -e "[Interface]\n\
Address = ${wg_net}/24\n\
PrivateKey =\n\
PostUp = iptables -t nat -I POSTROUTING 1 -s ${wg_net}/24 -o ${out_adapt} -j MASQUERADE\n\
PostUp = iptables -I FORWARD -i wg0 -o wg0 -j DROP\n\
PreDown = iptables -t nat -D POSTROUTING -s ${wg_net}/24 -o ${out_adapt} -j MASQUERADE\n\
PreDown = iptables -D FORWARD -i wg0 -o wg0 -j DROP\n\
ListenPort = ${wg_port}\n\
SaveConfig = true\n\
DNS = ${global_dns}" > /configs/wg0.conf.template \
&& chmod 600 /configs/wg0.conf.template
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 CMD curl -f http://localhost:10086/signin || exit 1
# Defining a way for Docker to check the health of the container. In this case: checking the gunicorn process.
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
CMD sh -c 'pgrep gunicorn > /dev/null && pgrep tail > /dev/null' || exit 1
ENTRYPOINT ["/opt/wireguarddashboard/src/entrypoint.sh"]
# Copy the basic entrypoint.sh script.
COPY entrypoint.sh /entrypoint.sh
# Exposing the default WireGuard Dashboard port for web access.
EXPOSE 10086
ENTRYPOINT ["/bin/bash", "/entrypoint.sh"]

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entrypoint.sh Normal file
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#!/bin/bash
echo "------------------------- START ----------------------------"
echo "Starting the WireGuard Dashboard Docker container."
ensure_installation() {
# When using a custom directory to store the files, this part moves over and makes sure the installation continues.
echo "Quick-installing..."
[ ! -d "/data/db" ] && echo "Creating database dir" && mkdir /data/db
ln -s /data/db "${WGDASH}/src/db"
[ ! -f "/data/wg-dashboard.ini" ] && echo "Creating wg-dashboard.ini file" && touch /data/wg-dashboard.ini
ln -s /data/wg-dashboard.ini "${WGDASH}/src/wg-dashboard.ini"
python3 -m venv "${WGDASH}"/src/venv
. "${WGDASH}/src/venv/bin/activate"
mv /usr/lib/python3.12/site-packages/psutil* "${WGDASH}"/src/venv/lib/python3.12/site-packages
mv /usr/lib/python3.12/site-packages/bcrypt* "${WGDASH}"/src/venv/lib/python3.12/site-packages
chmod +x "${WGDASH}"/src/wgd.sh
cd "${WGDASH}"/src || exit
./wgd.sh install
echo "Looks like the installation succeeded."
# This first step is to ensure the wg0.conf file exists, and if not, then its copied over from the ephemeral container storage.
# This is done so WGDashboard it works out of the box
if [ ! -f "/etc/wireguard/wg0.conf" ]; then
echo "Standard wg0 Configuration file not found, grabbing template."
cp -a "/configs/wg0.conf.template" "/etc/wireguard/wg0.conf"
echo "Setting a secure private key." # SORRY 4 BE4 - Daan
local privateKey
privateKey=$(wg genkey)
sed -i "s|^PrivateKey *=.*$|PrivateKey = ${privateKey}|g" /etc/wireguard/wg0.conf
echo "Done setting template."
else
echo "Existing wg0 configuration file found, using that."
fi
}
set_envvars() {
printf "\n------------- SETTING ENVIRONMENT VARIABLES ----------------\n"
# Path to the configuration file (exists because of previous function).
local config_file="/opt/wireguarddashboard/src/wg-dashboard.ini"
# Check if the file is empty
if [ ! -s "$config_file" ]; then
echo "Config file is empty. Creating [Peers] section."
# Create [Peers] section with initial values
{
echo "[Peers]"
echo "remote_endpoint = ${public_ip}"
echo "peer_global_dns = ${global_dns}"
} > "$config_file"
else
echo "Config file is not empty, enforcing environment variables."
# Check and update the DNS if it has changed
current_dns=$(grep "peer_global_dns = " "$config_file" | awk '{print $NF}')
if [ "${global_dns}" != "$current_dns" ]; then
echo "Changing default DNS."
sed -i "s/^peer_global_dns = .*/peer_global_dns = ${global_dns}/" "$config_file"
else
echo "DNS is set correctly."
fi
# Determine the public IP and update if necessary
if [ "${public_ip}" = "0.0.0.0" ]; then
default_ip=$(curl -s ifconfig.me)
echo "Trying to fetch the Public-IP using ifconfig.me: ${default_ip}"
sed -i "s/^remote_endpoint = .*/remote_endpoint = ${default_ip}/" "$config_file"
else
current_ip=$(grep "remote_endpoint = " "$config_file" | awk '{print $NF}')
if [ "${public_ip}" != "$current_ip" ]; then
echo "Setting the Public-IP using given variable: ${public_ip}"
sed -i "s/^remote_endpoint = .*/remote_endpoint = ${public_ip}/" "$config_file"
fi
fi
fi
}
# === CORE SERVICES ===
start_core() {
printf "\n---------------------- STARTING CORE -----------------------\n"
echo "Activating Python venv and executing the WireGuard Dashboard service."
. "${WGDASH}"/src/venv/bin/activate
cd "${WGDASH}"/src || return
bash wgd.sh start
# Isolated peers feature, first converting the existing configuration files and the given names to arrays.
#
# WILL BE REMOVED IN FUTURE WHEN WGDASHBOARD ITSELF SUPPORTS THIS!!
#
local configurations=(/etc/wireguard/*)
IFS=',' read -r -a do_isolate <<< "${isolate}"
non_isolate=()
# Checking if there are matches between the two arrays.
for config in "${configurations[@]}"; do
config=$(echo "$config" | sed -e 's|.*/etc/wireguard/||' -e 's|\.conf$||')
local found
found=false
for interface in "${do_isolate[@]}"; do
if [[ "$config" == "$interface" ]]; then
found=true
break
fi
done
if [ "$found" = false ]; then
non_isolate+=("$config")
fi
done
# Isolating the matches.
for interface in "${do_isolate[@]}"; do
if [ "$interface" = "none" ] || [ "$interface" = "" ]; then
echo "Found: $interface, stopping isolation checking."
break
else
if [ -f "/etc/wireguard/${interface}.conf" ]; then
echo "Isolating interface:" "$interface"
upblocking=$(grep -c "PostUp = iptables -I FORWARD -i ${interface} -o ${interface} -j DROP" /etc/wireguard/"${interface}".conf)
downblocking=$(grep -c "PreDown = iptables -D FORWARD -i ${interface} -o ${interface} -j DROP" /etc/wireguard/"${interface}".conf)
if [ "$upblocking" -lt 1 ] && [ "$downblocking" -lt 1 ]; then
sed -i "/PostUp =/a PostUp = iptables -I FORWARD -i ${interface} -o ${interface} -j DROP" /etc/wireguard/"${interface}".conf
sed -i "/PreDown =/a PreDown = iptables -D FORWARD -i ${interface} -o ${interface} -j DROP" /etc/wireguard/"${interface}".conf
fi
else
echo "Configuration for $interface in enforce isolation does not seem to exist, continuing."
fi
fi
done
# Removing isolation for the configurations that did not match.
for interface in "${non_isolate[@]}"; do
if [ -f "/etc/wireguard/${interface}.conf" ]; then
echo "Removing isolation, if isolation is present for:" "$interface"
sed -i "/PostUp = iptables -I FORWARD -i ${interface} -o ${interface} -j DROP/d" /etc/wireguard/"${interface}".conf
sed -i "/PreDown = iptables -D FORWARD -i ${interface} -o ${interface} -j DROP/d" /etc/wireguard/"${interface}".conf
else
echo "Configuration for $interface in removing isolation does not seem to exist, continuing."
fi
done
# The following section takes care of enabling wireguard interfaces on startup. Using arrays and given arguments.
#
# WILL BE REMOVED IN FUTURE WHEN WGDASHBOARD ITSELF SUPPORTS THIS!!
#
IFS=',' read -r -a enable_array <<< "${enable}"
for interface in "${enable_array[@]}"; do
if [ "$interface" = "none" ]; then
echo "Found: $interface, stopping enabling checking."
break
else
echo "Enabling interface:" "$interface"
local fileperms
fileperms=$(stat -c "%a" /etc/wireguard/"${interface}".conf)
if [ "$fileperms" -eq 644 ]; then
echo "Configuration is world accessible, adjusting."
chmod 600 "/etc/wireguard/${interface}.conf"
fi
if [ -f "/etc/wireguard/${interface}.conf" ]; then
wg-quick up "$interface"
else
echo "No corresponding configuration file found for $interface doing nothing."
fi
fi
done
}
ensure_blocking() {
sleep 1s
echo -e "\nEnsuring container continuation."
# Find and tail the latest error and access logs if they exist
local logdir="/opt/wireguarddashboard/src/log"
latestErrLog=$(find "$logdir" -name "error_*.log" -type f -print | sort -r | head -n 1)
latestAccLog=$(find "$logdir" -name "access_*.log" -type f -print | sort -r | head -n 1)
# Only tail the logs if they are found
if [ -n "$latestErrLog" ] || [ -n "$latestAccLog" ]; then
tail -f "$latestErrLog" "$latestAccLog"
else
echo "No log files found to tail."
fi
# Blocking command to keep the container running as a last resort.
sleep infinity
}
# Execute functions for the WireGuard Dashboard services, then set the environment variables
ensure_installation
set_envvars
start_core
ensure_blocking

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#!/bin/bash
echo "Starting the WireGuard Dashboard Docker container."
clean_up() {
# Cleaning out previous data such as the .pid file and starting the WireGuard Dashboard. Making sure to use the python venv.
echo "Looking for remains of previous instances..."
if [ -f "/opt/wireguarddashboard/app/src/gunicorn.pid" ]; then
echo "Found old .pid file, removing."
rm /opt/wireguarddashboard/app/src/gunicorn.pid
else
echo "No remains found, continuing."
fi
}
ensure_blocking() {
sleep 1s
echo "Ensuring container continuation."
# This function checks if the latest error log is created and tails it for docker logs uses.
if find "/opt/wireguarddashboard/src/log" -mindepth 1 -maxdepth 1 -type f | read -r; then
latestErrLog=$(find /opt/wireguarddashboard/src/log -name "error_*.log" | head -n 1)
latestAccLog=$(find /opt/wireguarddashboard/src/log -name "access_*.log" | head -n 1)
tail -f "${latestErrLog}" "${latestAccLog}"
fi
# Blocking command in case of erroring. So the container does not quit.
sleep infinity
}
{ date; clean_up; printf "\n\n"; } >> ./log/install.txt
chmod u+x /opt/wireguarddashboard/src/wgd.sh
/opt/wireguarddashboard/src/wgd.sh install
/opt/wireguarddashboard/src/wgd.sh docker_start
ensure_blocking