Execute a ``rabbitmqctl`` command inside a running container.

        :param command: the command to run
        :param args: a list of args for the command
        :param rabbitmqctl_opts:
            a list of extra options to pass to ``rabbitmqctl``
        :returns: a tuple of the command exit code and output

def exec_rabbitmqctl(self, command, args=[], rabbitmqctl_opts=['-q']):
        """
        Execute a ``rabbitmqctl`` command inside a running container.

        :param command: the command to run
        :param args: a list of args for the command
        :param rabbitmqctl_opts:
            a list of extra options to pass to ``rabbitmqctl``
        :returns: a tuple of the command exit code and output
        """
        cmd = ['rabbitmqctl'] + rabbitmqctl_opts + [command] + args
        return self.inner().exec_run(cmd)