dev_ovscontroller.py 文件源码

def get(self, init_start=False, retry_count=5):
        """Checking OVS Controller.

        Args:
            init_start(bool):  Flag to start OVS Controller
            retry_count(int):  Retry attempts count

        """
        first_loop = True
        # Try to restart if necessary at least several times
        retry = 1
        # If fail_ctrl != "restart", restart retries won't be performed
        if self.opts.fail_ctrl != "restart":
            retry_count = 1
        while retry <= retry_count:
            try:
                if first_loop:
                    if init_start:
                        self.start()
                    else:
                        self.waiton()
                else:
                    self.restart()
                retry = retry_count + 1
            except Exception:
                self.class_logger.info("Error while checking Ovs Controller %s:%s..." % (self.ipaddr, self.port))
                retry += 1
                first_loop = False
                exc_type, exc_value, exc_traceback = sys.exc_info()
                traceback_message = traceback.format_exception(exc_type, exc_value, exc_traceback)
                message = "Error while checking Ovs Controller %s:%s:\n%s" % (self.ipaddr, self.port, "".join(traceback_message))
                sys.stderr.write(message)
                sys.stderr.flush()
                self.class_logger.log(loggers.levels['ERROR'], message)
                if retry >= retry_count + 1:
                    sys.stderr.write("Could not restart Ovs Controller for %s times. Something goes wrong \n" % (retry_count, ))
                    sys.stderr.flush()
                    if self.opts.fail_ctrl == "stop":
                        pytest.exit(message)
                    else:
                        pytest.fail(message)