#!/usr/bin/env python3

import os
import platform
import subprocess
from sys import stderr, exit


def ctrl_c_catch(proc):
    print("Ctrl-c catched")
    print("Killing process...")
    proc.kill()
    print("Exiting...")
    exit(0)

def main():
    if platform.system() == 'Darwin':
        p = os.system("brew services list | grep \"rabbitmq started\"")
        if (p == 0):
            print("RabbitMQ is not started", file=stderr)
            return False
        else: print("RabbitMQ started: OK")
    elif platform.system() == "Linux":
        output = subprocess.getoutput("ps -A")
        if "rabbitmq-server" in output:
            print("RabbitMQ started: OK")
        else:
            print("RabbitMQ is not started", file=stderr)
            return False


    os.chdir('..')

    try:
        process = subprocess.Popen("celery -A pyros worker -Q monitoring_q -n pyros@monitoring -c 1", shell=True)
        process.wait()
        print("Celery worker stopped")
        exit(0)
    except KeyboardInterrupt:
        ctrl_c_catch(process)



    return True
if __name__ == '__main__':
    main()