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selkies-gstreamer-entrypoint.sh
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#!/bin/bash
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at https://mozilla.org/MPL/2.0/.
set -e
# Wait for XDG_RUNTIME_DIR
until [ -d "${XDG_RUNTIME_DIR}" ]; do sleep 0.5; done
# Configure joystick interposer
export SELKIES_INTERPOSER='/usr/$LIB/selkies_joystick_interposer.so'
export LD_PRELOAD="${SELKIES_INTERPOSER}${LD_PRELOAD:+:${LD_PRELOAD}}"
export SDL_JOYSTICK_DEVICE=/dev/input/js0
# Set default display
export DISPLAY="${DISPLAY:-:20}"
# PipeWire-Pulse server socket path
export PIPEWIRE_LATENCY="32/48000"
export XDG_RUNTIME_DIR="${XDG_RUNTIME_DIR:-/tmp}"
export PIPEWIRE_RUNTIME_DIR="${PIPEWIRE_RUNTIME_DIR:-${XDG_RUNTIME_DIR:-/tmp}}"
export PULSE_RUNTIME_PATH="${PULSE_RUNTIME_PATH:-${XDG_RUNTIME_DIR:-/tmp}/pulse}"
export PULSE_SERVER="${PULSE_SERVER:-unix:${PULSE_RUNTIME_PATH:-${XDG_RUNTIME_DIR:-/tmp}/pulse}/native}"
# Export environment variables required for Selkies-GStreamer
export GST_DEBUG="${GST_DEBUG:-*:2}"
export GSTREAMER_PATH=/opt/gstreamer
# Source environment for GStreamer
. /opt/gstreamer/gst-env
export SELKIES_ENCODER="${SELKIES_ENCODER:-x264enc}"
export SELKIES_ENABLE_RESIZE="${SELKIES_ENABLE_RESIZE:-false}"
if [ -z "${SELKIES_TURN_REST_URI}" ] && { { [ -z "${SELKIES_TURN_USERNAME}" ] || [ -z "${SELKIES_TURN_PASSWORD}" ]; } && [ -z "${SELKIES_TURN_SHARED_SECRET}" ] || [ -z "${SELKIES_TURN_HOST}" ] || [ -z "${SELKIES_TURN_PORT}" ]; }; then
export TURN_RANDOM_PASSWORD="$(tr -dc 'A-Za-z0-9' < /dev/urandom 2>/dev/null | head -c 24)"
export SELKIES_TURN_HOST="${SELKIES_TURN_HOST:-$(dig TXT +short @ns1.google.com o-o.myaddr.l.google.com 2>/dev/null | { read output; if [ -z "$output" ] || echo "$output" | grep -q '^;;'; then exit 1; else echo "$(echo $output | sed 's,\",,g')"; fi } || dig -6 TXT +short @ns1.google.com o-o.myaddr.l.google.com 2>/dev/null | { read output; if [ -z "$output" ] || echo "$output" | grep -q '^;;'; then exit 1; else echo "$(echo $output | sed 's,\",,g')"; fi } || hostname -I 2>/dev/null | awk '{print $1; exit}' || echo '127.0.0.1')}"
export TURN_EXTERNAL_IP="${TURN_EXTERNAL_IP:-$(getent ahosts ${SELKIES_TURN_HOST} | awk '{print $1; exit}')}"
export SELKIES_TURN_PORT="${SELKIES_TURN_PORT:-3478}"
export SELKIES_TURN_USERNAME="selkies"
export SELKIES_TURN_PASSWORD="${TURN_RANDOM_PASSWORD}"
export SELKIES_TURN_PROTOCOL="${SELKIES_TURN_PROTOCOL:-tcp}"
/etc/start-turnserver.sh &
fi
# Wait for X server to start
echo 'Waiting for X Socket' && until [ -S "/tmp/.X11-unix/X${DISPLAY#*:}" ]; do sleep 0.5; done && echo 'X Server is ready'
# Configure NGINX
if [ "$(echo ${SELKIES_ENABLE_BASIC_AUTH} | tr '[:upper:]' '[:lower:]')" != "false" ]; then htpasswd -bcm "${XDG_RUNTIME_DIR}/.htpasswd" "${SELKIES_BASIC_AUTH_USER:-${USER}}" "${SELKIES_BASIC_AUTH_PASSWORD:-${PASSWD}}"; fi
echo "# Selkies-GStreamer NGINX Configuration
server {
access_log /dev/stdout;
error_log /dev/stderr;
listen 8080 $(if [ \"$(echo ${SELKIES_ENABLE_HTTPS} | tr '[:upper:]' '[:lower:]')\" = \"true\" ]; then echo -n "ssl"; fi);
listen [::]:8080 $(if [ \"$(echo ${SELKIES_ENABLE_HTTPS} | tr '[:upper:]' '[:lower:]')\" = \"true\" ]; then echo -n "ssl"; fi);
ssl_certificate ${SELKIES_HTTPS_CERT-/etc/ssl/certs/ssl-cert-snakeoil.pem};
ssl_certificate_key ${SELKIES_HTTPS_KEY-/etc/ssl/private/ssl-cert-snakeoil.key};
$(if [ \"$(echo ${SELKIES_ENABLE_BASIC_AUTH} | tr '[:upper:]' '[:lower:]')\" != \"false\" ]; then echo "auth_basic \"Selkies\";"; echo -n " auth_basic_user_file ${XDG_RUNTIME_DIR}/.htpasswd;"; fi)
location / {
root /opt/gst-web/;
index index.html index.htm;
}
location /health {
proxy_http_version 1.1;
proxy_read_timeout 3600s;
proxy_send_timeout 3600s;
proxy_connect_timeout 3600s;
proxy_buffering off;
client_max_body_size 10M;
proxy_pass http$(if [ \"$(echo ${SELKIES_ENABLE_HTTPS} | tr '[:upper:]' '[:lower:]')\" = \"true\" ]; then echo -n "s"; fi)://localhost:8081;
}
location /turn {
proxy_http_version 1.1;
proxy_read_timeout 3600s;
proxy_send_timeout 3600s;
proxy_connect_timeout 3600s;
proxy_buffering off;
client_max_body_size 10M;
proxy_pass http$(if [ \"$(echo ${SELKIES_ENABLE_HTTPS} | tr '[:upper:]' '[:lower:]')\" = \"true\" ]; then echo -n "s"; fi)://localhost:8081;
}
location /ws {
proxy_set_header Upgrade \$http_upgrade;
proxy_set_header Connection \"upgrade\";
proxy_set_header Host \$host;
proxy_set_header X-Real-IP \$remote_addr;
proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto \$scheme;
proxy_http_version 1.1;
proxy_read_timeout 3600s;
proxy_send_timeout 3600s;
proxy_connect_timeout 3600s;
proxy_buffering off;
client_max_body_size 10M;
proxy_pass http$(if [ \"$(echo ${SELKIES_ENABLE_HTTPS} | tr '[:upper:]' '[:lower:]')\" = \"true\" ]; then echo -n "s"; fi)://localhost:8081;
}
location /webrtc/signalling {
proxy_set_header Upgrade \$http_upgrade;
proxy_set_header Connection \"upgrade\";
proxy_set_header Host \$host;
proxy_set_header X-Real-IP \$remote_addr;
proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto \$scheme;
proxy_http_version 1.1;
proxy_read_timeout 3600s;
proxy_send_timeout 3600s;
proxy_connect_timeout 3600s;
proxy_buffering off;
client_max_body_size 10M;
proxy_pass http$(if [ \"$(echo ${SELKIES_ENABLE_HTTPS} | tr '[:upper:]' '[:lower:]')\" = \"true\" ]; then echo -n "s"; fi)://localhost:8081;
}
location /metrics {
proxy_http_version 1.1;
proxy_read_timeout 3600s;
proxy_send_timeout 3600s;
proxy_connect_timeout 3600s;
proxy_buffering off;
client_max_body_size 10M;
proxy_pass http$(if [ \"$(echo ${SELKIES_ENABLE_HTTPS} | tr '[:upper:]' '[:lower:]')\" = \"true\" ]; then echo -n "s"; fi)://localhost:9081;
}
error_page 500 502 503 504 /50x.html;
location = /50x.html {
root /opt/gst-web/;
}
}" | tee /etc/nginx/sites-available/default > /dev/null
# Clear the cache registry
rm -rf "${HOME}/.cache/gstreamer-1.0"
# Start the Selkies-GStreamer WebRTC HTML5 remote desktop application
selkies-gstreamer \
--addr="localhost" \
--port="8081" \
--enable_basic_auth="false" \
--enable_metrics_http="true" \
--metrics_http_port="9081" \
$@