src/sync_hc/__init__.py

import requests
import time
import os
import logging
from threading import Timer

# Get config from environment variables
URL = os.getenv('MASTER_URL', 'http://localhost:8000/hc')
HOST_URL = os.getenv('SENDER_URL', 'http://my-sender-host.com')
INTERVAL = int(os.getenv('SENDER_INTERVAL', '43200'))  # 12 hours

def send_timestamp():
    try:
        response = requests.get(URL, params={
            'timestamp': time.time(),
            'host_url': HOST_URL
        })
        logging.info(f"Sent timestamp to {URL}: {response.status_code}")
    except Exception as e:
        logging.info(f"Error sending timestamp to {URL}: {type(e).__name__}: {e}")
    
    # Schedule next call
    Timer(INTERVAL, send_timestamp).start()
    logging.info(f"Scheduled next timestamp send in {INTERVAL} seconds")

# Start the first call
logging.info(f"Starting timestamp sender to {URL} every {INTERVAL} seconds")
send_timestamp()