mirror of
https://github.com/MarekWo/mc-webui.git
synced 2026-03-28 17:42:45 +01:00
2f82c589c7
Implement a smart auto-detection and low-level fcntl ioctl reset mechanism for LoRa USB devices. This 'last resort' recovery is triggered if the meshcore-bridge container fails to recover after 3 restarts within an 8-minute window. Includes updates to the installer, systemd service, and newly added README. Co-Authored-By: Gemini CLI <noreply@google.com>
159 lines
4.2 KiB
Bash
Executable File
159 lines
4.2 KiB
Bash
Executable File
#!/bin/bash
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#
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# mc-webui Container Watchdog Installer
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#
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# This script installs the watchdog service that monitors Docker containers
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# and automatically restarts unhealthy ones.
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#
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# Usage: sudo ./install.sh [--uninstall]
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#
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set -e
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# Colors
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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NC='\033[0m'
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info() { echo -e "${GREEN}[INFO]${NC} $1"; }
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warn() { echo -e "${YELLOW}[WARN]${NC} $1"; }
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error() { echo -e "${RED}[ERROR]${NC} $1"; exit 1; }
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# Check if running as root
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if [ "$EUID" -ne 0 ]; then
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error "Please run as root: sudo $0"
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fi
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# Get the directory where this script is located
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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MCWEBUI_DIR="$(dirname "$(dirname "$SCRIPT_DIR")")"
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SERVICE_NAME="mc-webui-watchdog"
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SERVICE_FILE="/etc/systemd/system/${SERVICE_NAME}.service"
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LOG_FILE="/var/log/mc-webui-watchdog.log"
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# Uninstall
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if [ "$1" == "--uninstall" ]; then
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info "Uninstalling ${SERVICE_NAME}..."
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if systemctl is-active --quiet "$SERVICE_NAME"; then
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systemctl stop "$SERVICE_NAME"
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info "Service stopped"
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fi
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if systemctl is-enabled --quiet "$SERVICE_NAME" 2>/dev/null; then
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systemctl disable "$SERVICE_NAME"
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info "Service disabled"
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fi
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if [ -f "$SERVICE_FILE" ]; then
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rm "$SERVICE_FILE"
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systemctl daemon-reload
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info "Service file removed"
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fi
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echo -e "${GREEN}Uninstallation complete!${NC}"
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echo ""
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echo "Note: Log file preserved at: $LOG_FILE"
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echo "To remove logs: sudo rm $LOG_FILE"
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exit 0
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fi
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# Install
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info "Installing ${SERVICE_NAME}..."
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info " mc-webui directory: $MCWEBUI_DIR"
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# Check if watchdog.py exists
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if [ ! -f "$SCRIPT_DIR/watchdog.py" ]; then
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error "watchdog.py not found in $SCRIPT_DIR"
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fi
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# Check if docker is available
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if ! command -v docker &> /dev/null; then
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error "Docker is not installed or not in PATH"
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fi
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# Create log file with proper permissions
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if [ ! -f "$LOG_FILE" ]; then
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touch "$LOG_FILE"
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chmod 644 "$LOG_FILE"
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info "Created log file: $LOG_FILE"
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fi
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# Create service file with correct paths
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info "Creating systemd service file..."
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cat > "$SERVICE_FILE" << EOF
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[Unit]
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Description=mc-webui Container Watchdog
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Documentation=https://github.com/MarekWo/mc-webui
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After=network.target docker.service
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Requires=docker.service
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[Service]
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Type=simple
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User=root
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Environment=MCWEBUI_DIR=${MCWEBUI_DIR}
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Environment=CHECK_INTERVAL=30
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Environment=LOG_FILE=${LOG_FILE}
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Environment=HTTP_PORT=5051
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Environment=AUTO_START=true
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Environment=USB_DEVICE_PATH=${USB_DEVICE_PATH}
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ExecStart=/usr/bin/python3 -u ${SCRIPT_DIR}/watchdog.py
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Restart=always
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RestartSec=10
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[Install]
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WantedBy=multi-user.target
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EOF
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info "Reloading systemd..."
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systemctl daemon-reload
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info "Enabling service..."
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systemctl enable "$SERVICE_NAME"
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info "Starting service..."
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systemctl start "$SERVICE_NAME"
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# Wait a moment for service to start
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sleep 3
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# Check if service is running
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if systemctl is-active --quiet "$SERVICE_NAME"; then
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info "Service is running!"
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# Test health endpoint
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if command -v curl &> /dev/null; then
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HEALTH=$(curl -s http://127.0.0.1:5051/health 2>/dev/null || echo "")
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if echo "$HEALTH" | grep -q '"status":"ok"'; then
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info "Health check passed!"
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else
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warn "Health check failed - service may still be starting"
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fi
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fi
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else
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error "Service failed to start. Check: journalctl -u $SERVICE_NAME"
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fi
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echo ""
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echo -e "${GREEN}Installation complete!${NC}"
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echo ""
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echo "The watchdog is now monitoring your containers."
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echo ""
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echo "Features:"
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echo " - Checks container health every 30 seconds"
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echo " - Automatically restarts unhealthy containers"
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echo " - Saves diagnostic logs before restart"
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echo " - Performs hardware USB bus reset if LoRa device is stuck"
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echo ""
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echo "Useful commands:"
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echo " systemctl status $SERVICE_NAME # Check service status"
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echo " sudo journalctl -u $SERVICE_NAME -f # View service logs"
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echo " tail -f $LOG_FILE # View watchdog logs"
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echo " curl http://localhost:5051/status # Check container status"
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echo " curl http://localhost:5051/history # View restart history"
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echo " sudo $0 --uninstall # Uninstall"
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echo ""
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echo "Diagnostic files are saved to /tmp/mc-webui-watchdog-*.log"
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