import json
import os
import sys
import urllib.request


def require_env(name: str) -> str:
    value = os.environ.get(name)
    if not value:
        print(f"Error: {name} environment variable is not set.", file=sys.stderr)
        sys.exit(1)
    return value


def main() -> None:
    url = require_env("URL")
    payload = json.dumps({"case": "audit-log", "foo": "bar", "password": "supersecret"}).encode()

    req = urllib.request.Request(url, data=payload, method="POST")
    req.add_header("Content-Type", "application/json")

    with urllib.request.urlopen(req, timeout=10) as resp:
        resp.read()


if __name__ == "__main__":
    main()