def end(self):
        """
        Terminate (and then kill) the manager process launched.
        :return:
        """
        if not self._process:
            self.log.warn('Ending without manager process.')
            return
        this_process = psutil.Process(os.getpid())
        try:
            manager_process = psutil.Process(self._process.pid)
        except psutil.NoSuchProcess:
            self.log.info("Manager process not running.")
            return

        # First try SIGTERM
        if manager_process.is_running() \
                and manager_process.pid in [x.pid for x in this_process.children()]:
            self.log.info("Terminating manager process: %s", manager_process.pid)
            manager_process.terminate()
            # TODO: Remove magic number
            timeout = 5
            self.log.info("Waiting up to %ss for manager process to exit...", timeout)
            try:
                psutil.wait_procs({manager_process}, timeout)
            except psutil.TimeoutExpired:
                self.log.debug("Ran out of time while waiting for "
                               "processes to exit")

        # Then SIGKILL
        if manager_process.is_running() \
                and manager_process.pid in [x.pid for x in this_process.children()]:
            self.log.info("Killing manager process: %s", manager_process.pid)
            manager_process.kill()
            manager_process.wait()
Terminate (and then kill) the manager process launched.
        :return: