Example #1
0
def main(prefix, cfgdir):
    """Server's main-function which parses the command line and starts up the server accordingly.
    """
    global configdir
    global basedir
    true_port_val = 0
    configdir = cfgdir
    basedir = prefix
    frontend = os.path.join(cfgdir, 'frontend')
    if not os.path.exists(os.path.join(frontend, 'dojo')):
        dojoz = zipfile.ZipFile(os.path.join(frontend, 'dojo.zip'), 'r')
        dojoz.extractall(path=frontend)
        dojoz.close()

    def_server_name = 'localhost'

    if hasattr(webbrowser, 'WindowsDefault') and isinstance(
            webbrowser.get(), webbrowser.WindowsDefault):
        # If on windows and using IE we do this to avoid IE9 bug (doesn't affect other versions of IE, there is no easy way to test
        def_server_name = socket.gethostname()

    cmdln_parser = optparse.OptionParser()
    cmdln_parser.add_option('-N',
                            '--server_name',
                            action='store',
                            type='string',
                            default=def_server_name,
                            help='server name: [default: %default ]')
    cmdln_parser.add_option('-p',
                            '--port',
                            action='store',
                            type='int',
                            dest='port',
                            default=8081,
                            help='port for the webserver: [default: %default]')
    cmdln_parser.add_option(
        '-n',
        '--no-browser',
        action='store_true',
        help='do not open the server\'s start page in a browser.')
    cmdln_parser.add_option('-s',
                            '--browser-start-page',
                            action='store',
                            type='string',
                            dest='browser_start_page',
                            default=mcc_config.MCC_BROWSER_START_PAGE,
                            help='start page for browser: [default: %default]')

    cmdln_parser.add_option(
        '-d',
        '--debug-level',
        action='store',
        type='string',
        default='WARNING',
        help=
        'Python logging module debug level (DEBUG, INFO, WARNING, ERROR or CRITICAL). [default: %default]'
    )

    cmdln_parser.add_option(
        '-o',
        '--server-log-file',
        action='store',
        type='string',
        default=os.path.join(tempfile.gettempdir(),
                             'ndb_setup-' + str(os.getpid()) + '.log'),
        help=
        'log requests to this file. The value - means log to stderr: [default: %default]'
    )
    # option for level/logcfg file

    cmdln_parser.add_option(
        '-S',
        '--use-https',
        action='store_true',
        help='use https to secure communication with browser.')

    cmdln_parser.add_option(
        '-c',
        '--cert-file',
        action='store',
        type='string',
        default=os.path.join(cfgdir, 'cfg.pem'),
        help=
        'file containing X509 certificate which identifies the server (possibly self-signed): [default: %default]'
    )
    cmdln_parser.add_option(
        '-k',
        '--key-file',
        action='store',
        type='string',
        help=
        'file containing private key when if not included in cert-file: [default: %default]'
    )
    cmdln_parser.add_option(
        '-a',
        '--ca-certs-file',
        action='store',
        type='string',
        help=
        'file containing list of client certificates allowed to connect to the server [default: %default (no client authentication)]'
    )

    (options, arguments) = cmdln_parser.parse_args()

    dbglvl = getattr(logging, options.debug_level, logging.DEBUG)
    fmt = '%(asctime)s: %(levelname)s [%(funcName)s;%(filename)s:%(lineno)d]: %(message)s '
    if options.server_log_file == '-':
        logging.basicConfig(level=dbglvl, format=fmt)
    else:
        logging.basicConfig(level=dbglvl,
                            format=fmt,
                            filename=options.server_log_file)

    for port_val in range(options.port, options.port + 20):
        if is_port_available(options.server_name, port_val):
            true_port_val = port_val
            break
    if true_port_val == 0:
        # no available port in range :-/
        print("No available port in range[{},{}]!".format(
            options.port, options.port + 20))
        sys.exit()

    options.port = true_port_val

    srvopts = {
        'server': options.server_name,
        'port': options.port,
        'cdir': cfgdir,
        'fdir': os.path.join(cfgdir, 'frontend')
    }

    if options.use_https:
        srvopts['ssl'] = True
        srvopts['certfile'] = options.cert_file
        srvopts['keyfile'] = options.key_file
        srvopts['ca_certs'] = options.ca_certs_file

    flags = os.O_CREAT | os.O_EXCL | os.O_WRONLY
    try:
        file_handle = os.open('mcc.pid', flags)
    except OSError as e:
        if e.errno == errno.EEXIST:  # Failed as the file already exists.
            file_handle = open('mcc.pid')  # , os.O_RDONLY)
            print 'mcc.pid file found at ' + os.path.realpath(
                file_handle.name
            ) + '. Please remove before restarting process.'
            file_handle.close()
            sys.exit("Web server already running!")
        else:  # Something unexpected went wrong so reraise the exception.
            raise
    else:  # No exception, so the file must have been created successfully.
        with os.fdopen(file_handle, 'w') as file_obj:
            # Using `os.fdopen` converts the handle to an object that acts like a
            # regular Python file object, and the `with` context manager means the
            # file will be automatically closed when we're done with it.
            file_obj.write("MCC running.")
            file_obj.close()

    print 'Starting web server on port ' + repr(options.port)
    url_host = options.server_name
    if url_host == '':
        url_host = 'localhost'
    if options.use_https:
        url = 'https://{0}:{opt.port}/{opt.browser_start_page}'.format(
            url_host, opt=options)
    else:
        url = 'http://{0}:{opt.port}/{opt.browser_start_page}'.format(
            url_host, opt=options)

    httpsrv = None
    global deathkey
    deathkey = random.randint(100000, 1000000)
    print 'deathkey=' + str(deathkey)
    print 'Press CTRL+C to stop web server.'
    #    dkf = open('deathkey.txt','w')
    #    dkf.write(str(deathkey))
    #    dkf.close()
    #    os.chmod('deathkey.txt', stat.S_IRUSR)
    try:
        httpsrv = ConfiguratorServer(srvopts)
        if not options.no_browser:
            try:
                webbrowser.open_new(url)
            except:
                logging.exception('Failed to control browser: ')
                print 'Could not control your browser. Try to opening ' + url + ' to launch the application.'
            else:
                print 'The application should now be running in your browser.\n(Alternatively you can navigate to ' + url + ' to start it)'
        else:
            print 'Navigate to ' + url + ' to launch the application.'

        httpsrv.serve_forever()
    except KeyboardInterrupt:
        print '^C received, shutting down web server'
    except:
        traceback.print_exc()
    finally:
        if httpsrv:
            httpsrv.socket.close()
        #os.remove('deathkey.txt')
        os.remove('mcc.pid')
Example #2
0
 def testPortAvailable(self):
     self.assertTrue(util.is_port_available(local_ipv4_ssh_addr(), 23))
 def testPortAvailable(self):
     self.assertTrue(util.is_port_available(local_ipv4_ssh_addr(), 23))
Example #4
0
 def testPortNotAvailable(self):
     self.assertFalse(util.is_port_available(local_ipv4_ssh_addr(), 22))
 def testPortNotAvailable(self):
     self.assertFalse(util.is_port_available(local_ipv4_ssh_addr(), 22))