Cleanup unused conf variables

I noticed in nova that we had a lot of unused conf variables. I
wondered if this was a thing in other projects as well. Turns out
it is.

Change-Id: I2424e32dd4ad61881d9b6a0449e12937ea8151e0

cinder/api/contrib/volume_manage.py

@@ -12,7 +12,6 @@
 #   License for the specific language governing permissions and limitations
 #   under the License.
 
-from oslo_config import cfg
 from oslo_log import log as logging
 from oslo_utils import uuidutils
 from webob import exc
@@ -28,7 +27,6 @@ from cinder import volume as cinder_volume
 from cinder.volume import volume_types
 
 LOG = logging.getLogger(__name__)
-CONF = cfg.CONF
 authorize = extensions.extension_authorizer('volume', 'volume_manage')
 
 

cinder/objects/service.py

@@ -12,7 +12,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from oslo_config import cfg
 from oslo_log import log as logging
 from oslo_utils import versionutils
 from oslo_versionedobjects import fields
@@ -24,7 +23,6 @@ from cinder import objects
 from cinder.objects import base
 from cinder import utils
 
-CONF = cfg.CONF
 LOG = logging.getLogger(__name__)
 
 

cinder/objects/volume_attachment.py

@@ -12,7 +12,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from oslo_config import cfg
 from oslo_log import log as logging
 from oslo_versionedobjects import fields
 
@@ -20,7 +19,6 @@ from cinder import db
 from cinder import objects
 from cinder.objects import base
 
-CONF = cfg.CONF
 LOG = logging.getLogger(__name__)
 
 

cinder/objects/volume_type.py

@@ -12,7 +12,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from oslo_config import cfg
 from oslo_log import log as logging
 from oslo_versionedobjects import fields
 
@@ -22,7 +21,6 @@ from cinder import objects
 from cinder.objects import base
 from cinder.volume import volume_types
 
-CONF = cfg.CONF
 OPTIONAL_FIELDS = ['extra_specs', 'projects']
 LOG = logging.getLogger(__name__)
 

cinder/replication/api.py

@@ -17,7 +17,6 @@ Handles all requests relating to volume replication.
 """
 import functools
 
-from oslo_config import cfg
 from oslo_log import log as logging
 
 from cinder.db import base
@@ -28,7 +27,6 @@ from cinder import volume as cinder_volume
 from cinder.volume import rpcapi as volume_rpcapi
 from cinder.volume import utils as volume_utils
 
-CONF = cfg.CONF
 
 LOG = logging.getLogger(__name__)
 

cinder/tests/unit/api/contrib/test_volume_actions.py

@@ -18,7 +18,6 @@ import json
 import uuid
 
 import mock
-from oslo_config import cfg
 import oslo_messaging as messaging
 from oslo_serialization import jsonutils
 import webob
@@ -36,8 +35,6 @@ from cinder import volume
 from cinder.volume import api as volume_api
 from cinder.volume import rpcapi as volume_rpcapi
 
-CONF = cfg.CONF
-
 
 class VolumeActionsTest(test.TestCase):
 

cinder/tests/unit/api/v1/test_snapshot_metadata.py

@@ -16,7 +16,6 @@
 import uuid
 
 import mock
-from oslo_config import cfg
 from oslo_serialization import jsonutils
 import webob
 
@@ -33,9 +32,6 @@ from cinder.tests.unit import fake_volume
 from cinder import volume
 
 
-CONF = cfg.CONF
-
-
 def return_create_snapshot_metadata(context, snapshot_id, metadata, delete):
     return stub_snapshot_metadata()
 

cinder/tests/unit/api/v2/test_snapshot_metadata.py

@@ -16,7 +16,6 @@
 import uuid
 
 import mock
-from oslo_config import cfg
 from oslo_serialization import jsonutils
 import webob
 
@@ -33,9 +32,6 @@ from cinder.tests.unit import fake_volume
 from cinder import volume
 
 
-CONF = cfg.CONF
-
-
 def return_create_snapshot_metadata(context, snapshot_id, metadata, delete):
     return stub_snapshot_metadata()
 

cinder/tests/unit/backup/drivers/test_backup_glusterfs.py

@@ -20,7 +20,6 @@ import os
 
 import mock
 from os_brick.remotefs import remotefs as remotefs_brick
-from oslo_config import cfg
 
 from cinder.backup.drivers import glusterfs
 from cinder import context
@@ -28,8 +27,6 @@ from cinder import exception
 from cinder import test
 from cinder import utils
 
-CONF = cfg.CONF
-
 FAKE_BACKUP_MOUNT_POINT_BASE = '/fake/mount-point-base'
 FAKE_HOST = 'fake_host'
 FAKE_VOL_NAME = 'backup_vol'

cinder/tests/unit/backup/test_rpcapi.py

@@ -19,7 +19,6 @@ Unit Tests for cinder.backup.rpcapi
 import copy
 
 import mock
-from oslo_config import cfg
 
 from cinder.backup import rpcapi as backup_rpcapi
 from cinder import context
@@ -28,9 +27,6 @@ from cinder import test
 from cinder.tests.unit import fake_backup
 
 
-CONF = cfg.CONF
-
-
 class BackupRpcAPITestCase(test.TestCase):
     def setUp(self):
         super(BackupRpcAPITestCase, self).setUp()

cinder/tests/unit/db/test_volume_type.py

@@ -14,15 +14,11 @@
 
 """Tests for volume type."""
 
-from oslo_config import cfg
-
 from cinder import context
 from cinder import db
 from cinder import test
 from cinder.volume import volume_types
 
-CONF = cfg.CONF
-
 
 class VolumeTypeTestCase(test.TestCase):
     """Test cases for volume type."""

cinder/tests/unit/scheduler/test_rpcapi.py

@@ -20,16 +20,12 @@ Unit Tests for cinder.scheduler.rpcapi
 import copy
 
 import mock
-from oslo_config import cfg
 
 from cinder import context
 from cinder.scheduler import rpcapi as scheduler_rpcapi
 from cinder import test
 
 
-CONF = cfg.CONF
-
-
 class SchedulerRpcAPITestCase(test.TestCase):
 
     def setUp(self):

cinder/tests/unit/test_db_api.py

@@ -18,7 +18,6 @@ import datetime
 
 import enum
 import mock
-from oslo_config import cfg
 from oslo_utils import uuidutils
 import six
 
@@ -30,8 +29,6 @@ from cinder import exception
 from cinder import quota
 from cinder import test
 
-CONF = cfg.CONF
-
 THREE = 3
 THREE_HUNDREDS = 300
 ONE_HUNDREDS = 100

cinder/tests/unit/test_hpe_xp_fc.py

@@ -25,9 +25,7 @@ from cinder.volume import driver
 from cinder.volume.drivers.hpe import hpe_xp_fc
 from cinder.volume.drivers.hpe import hpe_xp_opts
 
-from oslo_config import cfg
 from oslo_utils import importutils
-CONF = cfg.CONF
 
 NORMAL_LDEV_TYPE = 'Normal'
 POOL_INFO = {'30': {'total_gb': 'infinite', 'free_gb': 'infinite'}}

cinder/tests/unit/test_ibm_xiv_ds8k.py

@@ -22,7 +22,6 @@
 import copy
 
 from mox3 import mox
-from oslo_config import cfg
 
 from cinder import context
 from cinder import exception
@@ -82,8 +81,6 @@ CG_SNAPSHOT = {'id': CG_SNAPSHOT_ID,
 
 CONNECTOR = {'initiator': "iqn.2012-07.org.fake:01:948f189c4695", }
 
-CONF = cfg.CONF
-
 
 class XIVDS8KFakeProxyDriver(object):
     """Fake IBM XIV and DS8K Proxy Driver."""

cinder/tests/unit/test_netapp_nfs.py

@@ -42,10 +42,6 @@ from cinder.volume.drivers.netapp.dataontap import nfs_base
 from cinder.volume.drivers.netapp.dataontap import ssc_cmode
 from cinder.volume.drivers.netapp import utils
 
-from oslo_config import cfg
-
-
-CONF = cfg.CONF
 
 CONNECTION_INFO = {
     'hostname': 'fake_host',

cinder/tests/unit/test_volume_throttling.py

@@ -16,16 +16,12 @@
 """Tests for volume copy throttling helpers."""
 
 import mock
-from oslo_config import cfg
 
 from cinder import test
 from cinder import utils
 from cinder.volume import throttling
 
 
-CONF = cfg.CONF
-
-
 class ThrottleTestCase(test.TestCase):
 
     def test_NoThrottle(self):

cinder/tests/unit/volume/flows/test_create_volume_flow.py

@@ -17,8 +17,6 @@
 import ddt
 import mock
 
-from oslo_config import cfg
-
 from cinder import context
 from cinder import exception
 from cinder.openstack.common import imageutils
@@ -33,8 +31,6 @@ from cinder.tests.unit.volume.flows import fake_volume_api
 from cinder.volume.flows.api import create_volume
 from cinder.volume.flows.manager import create_volume as create_volume_manager
 
-CONF = cfg.CONF
-
 
 @ddt.ddt
 class CreateVolumeFlowTestCase(test.TestCase):

cinder/volume/qos_specs.py

@@ -16,7 +16,6 @@
 """The QoS Specs Implementation"""
 
 
-from oslo_config import cfg
 from oslo_db import exception as db_exc
 from oslo_log import log as logging
 
@@ -27,7 +26,6 @@ from cinder.i18n import _, _LE, _LW
 from cinder.volume import volume_types
 
 
-CONF = cfg.CONF
 LOG = logging.getLogger(__name__)
 
 CONTROL_LOCATION = ['front-end', 'back-end', 'both']

cinder/wsgi/common.py

@@ -14,14 +14,12 @@
 
 """Utility methods for working with WSGI servers."""
 
-from oslo_config import cfg
 from oslo_log import log as logging
 import webob.dec
 import webob.exc
 
 from cinder.i18n import _
 
-CONF = cfg.CONF
 LOG = logging.getLogger(__name__)