Consistently use jsonutils instead of specific implementation

jsonutils have several benefits in comparison to pure json
implementation, like enabling C boosted encoders and decoders for
Python2.6 by using simplejson when available.

Change-Id: I24d0cd442e8d9d89fac50e43fc97f7bb4a293c3d
Closes-Bug: 1329496

neutron/plugins/bigswitch/servermanager.py

@@ -33,7 +33,6 @@ The following functionality is handled by this module:
 """
 import base64
 import httplib
-import json
 import os
 import socket
 import ssl
@@ -44,6 +43,7 @@ from oslo.config import cfg
 from neutron.common import exceptions
 from neutron.common import utils
 from neutron.openstack.common import excutils
+from neutron.openstack.common import jsonutils as json
 from neutron.openstack.common import log as logging
 from neutron.plugins.bigswitch.db import consistency_db as cdb
 

neutron/plugins/bigswitch/tests/test_server.py

@@ -24,12 +24,13 @@ Used for NeutronRestProxy tests
 """
 from __future__ import print_function
 
-import json
 import re
 
 from six import moves
 from wsgiref import simple_server
 
+from neutron.openstack.common import jsonutils as json
+
 
 class TestNetworkCtrl(object):
 

neutron/plugins/nec/common/ofc_client.py

@@ -15,12 +15,12 @@
 #    under the License.
 # @author: Ryota MIBU
 
-import json
 import time
 
 import requests
 
 from neutron.openstack.common import excutils
+from neutron.openstack.common import jsonutils as json
 from neutron.openstack.common import log as logging
 from neutron.plugins.nec.common import config
 from neutron.plugins.nec.common import exceptions as nexc

neutron/plugins/vmware/api_client/eventlet_request.py

@@ -16,9 +16,9 @@
 
 import eventlet
 import httplib
-import json
 import urllib
 
+from neutron.openstack.common import jsonutils as json
 from neutron.openstack.common import log as logging
 from neutron.plugins.vmware.api_client import request
 

neutron/plugins/vmware/nsxlib/__init__.py

@@ -13,9 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
-
 from neutron.common import exceptions as exception
+from neutron.openstack.common import jsonutils as json
 from neutron.openstack.common import log
 from neutron.plugins.vmware.api_client import exception as api_exc
 from neutron.plugins.vmware.common import exceptions as nsx_exc

neutron/plugins/vmware/nsxlib/l2gateway.py

@@ -14,8 +14,7 @@
 #    under the License.
 #
 
-import json
+from neutron.openstack.common import jsonutils as json
-
 from neutron.openstack.common import log
 from neutron.plugins.vmware.api_client import exception as api_exc
 from neutron.plugins.vmware.common import exceptions as nsx_exc

neutron/plugins/vmware/nsxlib/lsn.py

@@ -15,9 +15,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
-
 from neutron.common import exceptions as exception
+from neutron.openstack.common import jsonutils as json
 from neutron.openstack.common import log
 from neutron.plugins.vmware.api_client import exception as api_exc
 from neutron.plugins.vmware.common import exceptions as nsx_exc

neutron/plugins/vmware/nsxlib/secgroup.py

@@ -13,11 +13,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
-
 from neutron.common import constants
 from neutron.common import exceptions
 from neutron.openstack.common import excutils
+from neutron.openstack.common import jsonutils as json
 from neutron.openstack.common import log
 from neutron.plugins.vmware.common import utils
 from neutron.plugins.vmware import nsxlib

neutron/plugins/vmware/nsxlib/switch.py

@@ -14,12 +14,11 @@
 #    under the License.
 #
 
-import json
-
 from oslo.config import cfg
 
 from neutron.common import constants
 from neutron.common import exceptions as exception
+from neutron.openstack.common import jsonutils as json
 from neutron.openstack.common import log
 from neutron.plugins.vmware.api_client import exception as api_exc
 from neutron.plugins.vmware.common import exceptions as nsx_exc

neutron/tests/unit/bigswitch/fake_server.py

@@ -17,8 +17,7 @@
 # @author: Kevin Benton, <kevin.benton@bigswitch.com>
 #
 
-import json
+from neutron.openstack.common import jsonutils as json
-
 from neutron.openstack.common import log as logging
 from neutron.plugins.bigswitch import servermanager
 

neutron/tests/unit/nec/test_ofc_client.py

@@ -16,12 +16,11 @@
 #
 # @author: Akihiro Motoki
 
-import json
-
 import mock
 from oslo.config import cfg
 import requests
 
+from neutron.openstack.common import jsonutils as json
 from neutron.plugins.nec.common import config
 from neutron.plugins.nec.common import exceptions as nexc
 from neutron.plugins.nec.common import ofc_client

neutron/tests/unit/test_policy.py

@@ -15,7 +15,6 @@
 
 """Test of Policy Engine For Neutron"""
 
-import json
 import urllib2
 
 import fixtures
@@ -28,6 +27,7 @@ from neutron.common import exceptions
 from neutron import context
 from neutron import manager
 from neutron.openstack.common import importutils
+from neutron.openstack.common import jsonutils as json
 from neutron.openstack.common import policy as common_policy
 from neutron import policy
 from neutron.tests import base

neutron/tests/unit/vmware/apiclient/fake.py

@@ -12,10 +12,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
-
 import six.moves.urllib.parse as urlparse
 
+from neutron.openstack.common import jsonutils as json
 from neutron.openstack.common import log as logging
 from neutron.openstack.common import uuidutils
 from neutron.plugins.vmware.api_client import exception as api_exc

neutron/tests/unit/vmware/nsxlib/test_lsn.py

@@ -13,10 +13,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import json
 import mock
 
 from neutron.common import exceptions
+from neutron.openstack.common import jsonutils as json
 from neutron.plugins.vmware.api_client import exception as api_exc
 from neutron.plugins.vmware.common import exceptions as nsx_exc
 from neutron.plugins.vmware.common import utils

neutron/tests/unit/vmware/vshield/fake_vcns.py

@@ -13,8 +13,8 @@
 #    under the License.
 
 import copy
-import json
 
+from neutron.openstack.common import jsonutils as json
 from neutron.openstack.common import uuidutils
 from neutron.plugins.vmware.vshield.common import exceptions