docker-novnc-base/entrypoint.sh

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#! /bin/bash
shopt -s nullglob
kill_pid() {
if [ -f $1 ]; then
cat $1 | xargs kill > /dev/null 2>&1
rm -f $1
fi
}
# Perform cleanup and remove X1 lock files if the container was restarted
rm -f /tmp/.X1-lock /tmp/.X11-unix/X1
kill_pid ~/.vnc-pid
kill_pid ~/.pa-pid
kill_pid ~/.tcp-pid
kill_pid ~/.ws-pid
user_entrypoint() {
cd ~
# Clone and install dotfiles if DOTFILES_REPO is defined
if [ -n "$DOTFILES_REPO" ]; then
if [ ! -d ~/dotfiles ]; then
git clone --depth 1 --recurse-submodules --shallow-submodules $DOTFILES_REPO ~/dotfiles
if [ -f ~/dotfiles/install.sh ]; then
/bin/bash ~/dotfiles/install.sh
fi
fi
fi
# Launch VNC server - view :1 defaults to port 5901
vncserver :1 -SecurityTypes None -localhost no --I-KNOW-THIS-IS-INSECURE &
# vncserver :1 &
echo "$!" > ~/.vnc-pid
# Launch pulseaudio server
# /etc/pulse/client.conf and /etc/pulse/default.pa are setup to make a default
# audio sink which outputs to a socket at /tmp/pulseaudio.socket
DISPLAY=:0.0 pulseaudio --disallow-module-loading --disallow-exit --exit-idle-time=-1&
echo "$!" > ~/.pa-pid
# Use gstreamer to stream the pulseaudio source /tmp/pulseaudio.socket to stdout (fd=1)
# the tcpserver from ucspi-tcp pipes this to tcp port 6901
tcpserver localhost 6901 gst-launch-1.0 -q pulsesrc server=/tmp/pulseaudio.socket ! audio/x-raw, channels=2, rate=12000 ! cutter ! opusenc ! webmmux ! fdsink fd=1 &
echo "$!" > ~/.tcp-pid
# Websockify does three things:
# - publishes /opt/noVNC to http port 8080
# - proxies vnc port 5901 to 8080/websockify?token=vnc
# - proxies pulseaudio port 6901 to 8080/websockify?token=pulse
# The latter two are defined through the tokenfile
/opt/noVNC/utils/websockify/websockify.py --web /opt/noVNC 8080 --token-plugin=TokenFile --token-source=/opt/noVNC/tokenfile &
echo "$!" > ~/.ws-pid
if [ -n "$@" ]; then
DISPLAY=:1.0 exec "$@" &
fi
wait
}
uname=${USERNAME:-novnc}
uid=${UUID:-1000}
gid=${GUID:-1000}
if ! id -u ${uname} > /dev/null 2>&1; then
addgroup --gid ${gid} ${uname}
adduser --home /home/${uname} --shell /bin/bash --system --disabled-password --uid ${uid} --ingroup ${uname} ${uname}
echo "${uname} ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers
mkdir -p /home/${uname}
chown ${uname}:${uname} /home/${uname}
fi
export -f user_entrypoint
su ${uname} -c "bash -c user_entrypoint ${@}" &
wait