Removes unused config option

This change removes the unused 'allowed_rpc_exception_modules' options

Change-Id: Ibb30709e5a3a08573fc1975fab80498a27b5ef0f

oslo/messaging/_drivers/common.py

@@ -20,7 +20,6 @@ import logging
 import sys
 import traceback
 
-from oslo.config import cfg
 from oslo import messaging
 import six
 
@@ -73,18 +72,6 @@ _MESSAGE_KEY = 'oslo.message'
 
 _REMOTE_POSTFIX = '_Remote'
 
-_exception_opts = [
-    cfg.ListOpt('allowed_rpc_exception_modules',
-                default=['oslo.messaging.exceptions',
-                         'nova.exception',
-                         'cinder.exception',
-                         _EXCEPTIONS_MODULE,
-                         ],
-                help='Modules of exceptions that are permitted to be '
-                     'recreated upon receiving exception data from an rpc '
-                     'call.'),
-]
-
 
 class RPCException(Exception):
     msg_fmt = _("An unknown RPC related exception occurred.")

oslo/messaging/opts.py

@@ -21,7 +21,6 @@ import copy
 import itertools
 
 from oslo.messaging._drivers import amqp
-from oslo.messaging._drivers import common as drivers_common
 from oslo.messaging._drivers import impl_qpid
 from oslo.messaging._drivers import impl_rabbit
 from oslo.messaging._drivers import impl_zmq
@@ -35,7 +34,6 @@ from oslo.messaging import transport
 
 _global_opt_lists = [
     amqp.amqp_opts,
-    drivers_common._exception_opts,
     impl_qpid.qpid_opts,
     impl_rabbit.rabbit_opts,
     impl_zmq.zmq_opts,

tests/test_opts.py

@@ -30,7 +30,6 @@ class OptsTestCase(test_utils.BaseTestCase):
 
         opt_names = [o.name for (g, l) in result for o in l]
         self.assertIn('rpc_backend', opt_names)
-        self.assertIn('allowed_rpc_exception_modules', opt_names)
 
     def test_list_opts(self):
         self._test_list_opts(opts.list_opts())