81 lines
3.7 KiB
Bash
81 lines
3.7 KiB
Bash
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echo "**** Configure VNC ****"
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function get_next_unused_port() {
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local __start_port=${1}
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local __start_port=$((__start_port+1))
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local __netstat_report=$(netstat -atulnp 2> /dev/null)
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for __check_port in $(seq ${__start_port} 65000); do
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[[ -z $(echo "${__netstat_report}" | grep ${__check_port}) ]] && break;
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done
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echo ${__check_port}
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}
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# Configure random ports for VNC service, pulseaudio socket, noVNC service and audio transport websocket
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# Note: Ports 32035-32248 are unallocated port ranges. We should be able to find something in here that we can use
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# REF: https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml?&page=130
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DYNAMIC_PORT_VNC=$(get_next_unused_port 32035)
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DYNAMIC_PORT_NOVNC_SERVICE=$(get_next_unused_port ${DYNAMIC_PORT_VNC})
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DYNAMIC_PORT_AUDIO_WEBSOCKET=$(get_next_unused_port ${DYNAMIC_PORT_NOVNC_SERVICE})
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DYNAMIC_PORT_AUDIO_STREAM=$(get_next_unused_port ${DYNAMIC_PORT_AUDIO_WEBSOCKET})
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export PORT_VNC=${PORT_VNC:-$DYNAMIC_PORT_VNC}
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echo "Configure VNC service port '${PORT_VNC}'"
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export PORT_NOVNC_SERVICE=${PORT_NOVNC_SERVICE:-$DYNAMIC_PORT_NOVNC_SERVICE}
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echo "Configure noVNC service port '${PORT_NOVNC_SERVICE}'"
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export PORT_AUDIO_WEBSOCKET=${PORT_AUDIO_WEBSOCKET:-$DYNAMIC_PORT_AUDIO_WEBSOCKET}
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echo "Configure audio websocket port '${PORT_AUDIO_WEBSOCKET}'"
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export PORT_AUDIO_STREAM=${PORT_AUDIO_STREAM:-$DYNAMIC_PORT_AUDIO_STREAM}
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echo "Configure pulseaudio encoded stream port '${PORT_AUDIO_STREAM}'"
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if ([ "${MODE}" != "s" ] && [ "${MODE}" != "secondary" ]); then
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if [ ${WEB_UI_MODE} = "vnc" ]; then
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echo "Enable VNC server"
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sed -i 's|^autostart.*=.*$|autostart=true|' /etc/supervisor.d/vnc.ini
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# Configure Nginx proxy for the websocket and VNC
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cp -f /opt/noVNC/nginx.template.conf /opt/noVNC/nginx.conf
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sed -i "s|<USER>|${USER}|" /opt/noVNC/nginx.conf
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sed -i "s|<PORT_NOVNC_WEB>|${PORT_NOVNC_WEB}|" /opt/noVNC/nginx.conf
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sed -i "s|<PORT_NOVNC_SERVICE>|${PORT_NOVNC_SERVICE}|" /opt/noVNC/nginx.conf
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sed -i "s|<PORT_AUDIO_WEBSOCKET>|${PORT_AUDIO_WEBSOCKET}|" /opt/noVNC/nginx.conf
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mkdir -p /var/log/vncproxy
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chown -R ${USER} /var/log/vncproxy
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if [[ "${ENABLE_VNC_AUDIO}" == "true" ]]; then
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# Credits for this audio patch:
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# - https://github.com/novnc/noVNC/issues/302
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# - https://github.com/vexingcodes/dwarf-fortress-docker
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# - https://github.com/calebj/noVNC
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if [ -f /opt/noVNC/audio.patch ]; then
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echo "Patching noVNC with audio websocket"
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# Update port specification in patch file
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sed -i "s|<PORT_AUDIO_WEBSOCKET>|${PORT_AUDIO_WEBSOCKET}|" /opt/noVNC/audio.patch
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# Apply patch
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pushd /opt/noVNC/ &> /dev/null
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patch -p1 --input=/opt/noVNC/audio.patch --batch --quiet
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popd &> /dev/null
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rm /opt/noVNC/audio.patch
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fi
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# Enable supervisord script
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sed -i 's|^autostart.*=.*$|autostart=true|' /etc/supervisor.d/vnc-audio.ini
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# Remove x11vnc from applications menu
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if ! grep -q 'Hidden=true' /usr/share/applications/x11vnc.desktop; then
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echo 'Hidden=true' >> /usr/share/applications/x11vnc.desktop
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fi
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else
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echo "Disable audio stream"
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echo "Disable audio websock"
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# Disable supervisord script
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sed -i 's|^autostart.*=.*$|autostart=false|' /etc/supervisor.d/vnc-audio.ini
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fi
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else
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echo "Disable VNC server"
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fi
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else
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echo "VNC server not available when container is run in 'secondary' mode"
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fi
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echo "DONE"
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