Fixed issue in checking task interface status on the connect view.

    # Ensure that the tunnel and proxy are set up

    setup_tunnel_and_proxy(task)

    # Set default interface status as unknown

    task.interface_status = 'unknown'

    # Check if task interface is up

    if task.status == 'running':

        logger.debug('Checking if task interface is running by trying to establish connection via local tunnel on port "{}"'.format(task.tcp_tunnel_port))

        s = socket.socket()

        if task.container.interface_protocol.startswith('http'):

            try:

            s.settimeout(1)

            s.connect(('127.0.0.1', task.tcp_tunnel_port))

            # Not necessary, we just check that the container interfcae is up

            #if not s.recv(10):

            #    logger.debug('No data read from socket')

            #    raise Exception('Could not read any data from socket')

        except Exception:

            logger.debug('Could not connect to task interface')

            task.interface_status = 'unknown'

                if task.requires_tcp_tunnel:

                    requests.get('{}://localhost:{}'.format(task.container.interface_protocol, task.tcp_tunnel_port), timeout=3)

                else:

            logger.debug('task interface is answering')

                    requests.get('{}://{}:{}'.format(task.container.interface_protocol, task.interface_ip, task.interface_port), timeout=3)

                logger.debug('Task interface is answering')

                task.interface_status = 'running'

        finally:

            s.close()

            except Exception as e:

                logger.debug('Could not connect to task interface ({})'.format(e))

        else:

        task.interface_status = 'unknown'

            pass

            # # TODO: the following raises a TimeoutError even if the connection is active and with requests work. Why?

            # with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:

            #     s.settimeout(3)

            #     try:

            #         s.connect(('localhost', task.tcp_tunnel_port))

            #         if not s.recv(10):

            #             logger.debug('No data read from socket')

            #             raise Exception('Could not read any data from socket')

            #     except Exception as e:

            #         logger.debug('Could not connect to task interface via socket ({})'.format(e))

            #         task.interface_status = 'unknown'

            #     else:

            #         logger.debug('Task interface is answering via socket')

            #         task.interface_status = 'running'

    data ={}

    data['task'] = task