gbox

#!/bin/bash # Script to get viewer info (noVNC, MJPEG stream) for a running container # and optionally open the noVNC URL. set -e # Exit on first error # ANSI color codes CYAN=$(tput setaf 6) RESET=$(tput sgr0) YELLOW=$(tput setaf 3) # Check if container name is provided if [ -z "$1" ]; then echo "Usage: $0 <container_name>" >&2 exit 1 fi CONTAINER_NAME="$1" # Check if container is running if ! docker container inspect "${CONTAINER_NAME}" > /dev/null 2>&1; then echo "Error: Container ${CONTAINER_NAME} is not running." >&2 echo " Use 'make start-viewer' (or similar) first." >&2 exit 1 fi echo "--- Connection Info for ${CONTAINER_NAME} ---" # Get port mappings (suppress errors if port not found) NOVNC_PORT_MAPPING=$(docker port "${CONTAINER_NAME}" 6080/tcp 2>/dev/null || true) STREAM_PORT_MAPPING=$(docker port "${CONTAINER_NAME}" 8090/tcp 2>/dev/null || true) # Check if BOTH mappings failed (unlikely if container check passed, but good practice) if [ -z "${NOVNC_PORT_MAPPING}" ] && [ -z "${STREAM_PORT_MAPPING}" ]; then echo "Error: Could not get port mapping for either noVNC (6080) or stream (8090) in ${CONTAINER_NAME}." >&2 echo " Ensure the container exposed ports and was run with -P or -p." >&2 exit 1 fi # Get VNC password VNC_PASS=$(docker exec "${CONTAINER_NAME}" cat /root/.vnc/plaintext_passwd 2>/dev/null || true) # Print basic info echo " Container Name: ${CONTAINER_NAME}" # --- Wait for container to be healthy --- echo "--- Waiting for Container ---" WAIT_TIMEOUT=120 # Seconds WAIT_INTERVAL=5 # Seconds ELAPSED=0 while [ $ELAPSED -lt $WAIT_TIMEOUT ]; do HEALTH_STATUS=$(docker inspect --format='{{.State.Health.Status}}' "${CONTAINER_NAME}" 2>/dev/null || echo "no_healthcheck") if [ "$HEALTH_STATUS" == "healthy" ]; then echo "Container is healthy." break elif [ "$HEALTH_STATUS" == "unhealthy" ]; then echo "Error: Container is unhealthy. Check container logs." >&2 docker logs "${CONTAINER_NAME}" >&2 # Show logs for debugging exit 1 elif [ "$HEALTH_STATUS" == "no_healthcheck" ]; then echo "${YELLOW}Warning: Container does not have a health check. Proceeding immediately.${RESET}" break # Proceed if no healthcheck is configured else # starting or unknown echo " Status: $HEALTH_STATUS (waiting... ${ELAPSED}s / ${WAIT_TIMEOUT}s)" sleep $WAIT_INTERVAL ELAPSED=$((ELAPSED + WAIT_INTERVAL)) fi if [ $ELAPSED -ge $WAIT_TIMEOUT ]; then echo "Error: Timeout waiting for container ${CONTAINER_NAME} to become healthy." >&2 exit 1 fi done # --- Container is ready (or proceeded without health check) --- # --- VNC Access --- echo "--- VNC Access ---" NOVNC_URL="" if [ -n "${NOVNC_PORT_MAPPING}" ]; then NOVNC_HOST_PORT=$(echo ${NOVNC_PORT_MAPPING} | sed 's/.*://') NOVNC_URL="http://localhost:${NOVNC_HOST_PORT}/vnc.html" SEP='?' if [ -n "${VNC_PASS}" ]; then NOVNC_URL="${NOVNC_URL}${SEP}password=${VNC_PASS}" SEP='&' fi NOVNC_URL="${NOVNC_URL}${SEP}autoconnect=true" SEP='&' NOVNC_URL="${NOVNC_URL}${SEP}reconnect=true" echo " noVNC URL: ${CYAN}${NOVNC_URL}${RESET}" if [ -n "${VNC_PASS}" ]; then echo " VNC Password: ${YELLOW}${VNC_PASS}${RESET}" fi # Launch noVNC browser on host FIRST echo "Launching default web browser for noVNC on host..." if [[ "$(uname)" == "Darwin" ]]; then open "${NOVNC_URL}" else echo "(Cannot automatically open browser on this OS. Please open the URL manually)" fi else echo " noVNC URL: ${YELLOW}Not available (port 6080 not mapped?)${RESET}" fi # --- Stream Access --- echo "--- Stream Access ---" if [ -n "${STREAM_PORT_MAPPING}" ]; then STREAM_HOST_PORT=$(echo ${STREAM_PORT_MAPPING} | sed 's/.*://') STREAM_URL="tcp://localhost:${STREAM_HOST_PORT}" echo " Stream URL: ${CYAN}${STREAM_URL}${RESET}" echo " Stream Player: ${CYAN}ffplay ${STREAM_URL}${RESET}" # Attempt to launch ffplay automatically echo "Attempting to launch ffplay to play the stream..." if command -v ffplay &> /dev/null; then # Launch ffplay directly with the TCP URL, quiet loglevel # Run in foreground - user can close it when done ffplay -loglevel error ${STREAM_URL} & else echo "${YELLOW}Warning: 'ffplay' command not found. Cannot automatically start player.${RESET}" >&2 echo "${YELLOW} Please install ffmpeg (which includes ffplay), then run manually:${RESET}" >&2 # Correct manual command example (show command in cyan) echo " ${CYAN}ffplay ${STREAM_URL}${RESET}" >&2 fi else echo " Stream URL: ${YELLOW}Not available (port 8090 not mapped?)${RESET}" fi # Launch Chromium last, only if VNC is available if [ -n "${NOVNC_URL}" ]; then # Check if Chromium is already running inside the container echo "Checking for existing Chromium process inside ${CONTAINER_NAME}..." # Use pgrep -f to match the command line, redirect stderr to hide "no process found" if ! docker exec "${CONTAINER_NAME}" pgrep -f chromium > /dev/null 2>&1; then echo "Launching Chromium inside container ${CONTAINER_NAME}..." docker exec -d "${CONTAINER_NAME}" env DISPLAY=:1 chromium --no-sandbox --disable-gpu > /dev/null 2>&1 || \ echo "${YELLOW}Warning: Failed to launch Chromium inside container. Is chromium installed and DISPLAY=:1 available? Is pgrep installed?${RESET}" >&2 else echo "Chromium appears to be already running inside the container." fi fi