lab

#!/bin/bash

JUPYTER_PID_FILE="/tmp/jupyter_lab.pid"
JUPYTER_LOG_FILE="/tmp/jupyter_lab.log"

start() {
    if [ -f "$JUPYTER_PID_FILE" ] && kill -0 $(cat "$JUPYTER_PID_FILE") 2>/dev/null; then
        echo "Jupyter Lab is already running with PID $(cat "$JUPYTER_PID_FILE")."
    else
        echo "Starting Jupyter Lab..."
        nohup jupyter lab --ip=0.0.0.0 --no-browser --allow-root --NotebookApp.token='' > "$JUPYTER_LOG_FILE" 2>&1 &
        echo $! > "$JUPYTER_PID_FILE"
        echo "Jupyter Lab started with PID $(cat "$JUPYTER_PID_FILE")."
    fi
}

stop() {
    if [ -f "$JUPYTER_PID_FILE" ] && kill -0 $(cat "$JUPYTER_PID_FILE") 2>/dev/null; then
        echo "Stopping Jupyter Lab with PID $(cat "$JUPYTER_PID_FILE")..."
        kill $(cat "$JUPYTER_PID_FILE") && rm "$JUPYTER_PID_FILE"
        echo "Jupyter Lab stopped."
    else
        echo "Jupyter Lab is not running."
    fi
}

status() {
    if [ -f "$JUPYTER_PID_FILE" ] && kill -0 $(cat "$JUPYTER_PID_FILE") 2>/dev/null; then
        echo "Jupyter Lab is running with PID $(cat "$JUPYTER_PID_FILE")."
    else
        echo "Jupyter Lab is not running."
    fi
}

case "$1" in
    start)
        start
        ;;
    stop)
        stop
        ;;
    status)
        status
        ;;
    *)
        echo "Usage: $0 {start|stop|status}"
        exit 1
esac