INNER CODE UNIT · Python

detect_config_path

lebinh/ngxtop · ngxtop/config_parser.py:32

def detect_config_path():
    """
    Get nginx configuration file path based on `nginx -V` output
    :return: detected nginx configuration file path
    """
    try:
        proc = subprocess.Popen(['nginx', '-V'], stderr=subprocess.PIPE)
    except OSError:
        error_exit('Access log file or format was not set and nginx config file cannot be detected. ' +
                   'Perhaps nginx is not in your PATH?')

    stdout, stderr = proc.communicate()
    version_output = stderr.decode('utf-8')
    conf_path_match = re.search(r'--conf-path=(\S*)', version_output)
    if conf_path_match is not None:
        return conf_path_match.group(1)

    prefix_match = re.search(r'--prefix=(\S*)', version_output)

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