import json
import subprocess


def push_stream():
    subprocess.Popen(['/bin/bash start_push.sh'], shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)


def close_stream():
    subprocess.Popen(['/bin/bash stop_push.sh'], shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)


def exec_sh(msg):
    cmd = json.loads(msg.payload.decode('utf-8'))["cmd"]
    subprocess.Popen([cmd], shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)


def update():
    subprocess.Popen(['/bin/bash update.sh'], shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)