diff --git a/etc/quantum.conf b/etc/quantum.conf
index 8cb9f81439..e767102ef2 100644
--- a/etc/quantum.conf
+++ b/etc/quantum.conf
@@ -1,23 +1,29 @@
 [DEFAULT]
-# Default log level is WARNING
-# Show debugging output in logs (sets DEBUG log level output)
+# Default log level is INFO
+# verbose and debug has the same result.
+# One of them will set DEBUG log level output
 # debug = False
-
-# Show more verbose log output (sets INFO log level output) if debug is False
 # verbose = False
 
 # log_format = %(asctime)s %(levelname)8s [%(name)s] %(message)s
 # log_date_format = %Y-%m-%d %H:%M:%S
 
+# use_syslog                           -> syslog
+# log_file and log_dir                 -> log_dir/log_file
+# (not log_file) and log_dir           -> log_dir/{binary_name}.log
+# use_stderr                           -> stderr
+# (not user_stderr) and (not log_file) -> stdout
+# publish_errors                       -> notification system
+
 # use_syslog = False
 # syslog_log_facility = LOG_USER
 
-# if use_syslog is False, we can set log_file and log_dir.
-# if use_syslog is False and we do not set log_file,
-# the log will be printed to stdout.
+# use_stderr = True
 # log_file =
 # log_dir =
 
+# publish_errors = False
+
 # Address to bind the API server
 bind_host = 0.0.0.0
 
diff --git a/quantum/agent/dhcp_agent.py b/quantum/agent/dhcp_agent.py
index 044d7246f2..b4e6e6dcc1 100644
--- a/quantum/agent/dhcp_agent.py
+++ b/quantum/agent/dhcp_agent.py
@@ -15,7 +15,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import logging
 import os
 import re
 import socket
@@ -37,6 +36,7 @@ from quantum.openstack.common import cfg
 from quantum.openstack.common import context
 from quantum.openstack.common import importutils
 from quantum.openstack.common import jsonutils
+from quantum.openstack.common import log as logging
 from quantum.openstack.common.rpc import proxy
 
 LOG = logging.getLogger(__name__)
diff --git a/quantum/agent/l3_agent.py b/quantum/agent/l3_agent.py
index 26a56fc71f..3707e9162e 100644
--- a/quantum/agent/l3_agent.py
+++ b/quantum/agent/l3_agent.py
@@ -19,7 +19,6 @@
 #
 """
 
-import logging
 import sys
 import time
 
@@ -33,6 +32,7 @@ from quantum.agent.linux import utils
 from quantum.db import l3_db
 from quantum.openstack.common import cfg
 from quantum.openstack.common import importutils
+from quantum.openstack.common import log as logging
 from quantumclient.v2_0 import client
 
 LOG = logging.getLogger(__name__)
diff --git a/quantum/agent/linux/dhcp.py b/quantum/agent/linux/dhcp.py
index c591e38625..304e2ce459 100644
--- a/quantum/agent/linux/dhcp.py
+++ b/quantum/agent/linux/dhcp.py
@@ -16,7 +16,6 @@
 #    under the License.
 
 import abc
-import logging
 import os
 import re
 import socket
@@ -30,6 +29,7 @@ from quantum.agent.linux import ip_lib
 from quantum.agent.linux import utils
 from quantum.openstack.common import cfg
 from quantum.openstack.common import jsonutils
+from quantum.openstack.common import log as logging
 
 LOG = logging.getLogger(__name__)
 
diff --git a/quantum/agent/linux/interface.py b/quantum/agent/linux/interface.py
index b3b5a8ac6a..a8e9dd7384 100644
--- a/quantum/agent/linux/interface.py
+++ b/quantum/agent/linux/interface.py
@@ -16,7 +16,6 @@
 #    under the License.
 
 import abc
-import logging
 
 import netaddr
 
@@ -27,6 +26,7 @@ from quantum.common import exceptions
 from quantum.extensions.flavor import (FLAVOR_NETWORK)
 from quantum.openstack.common import cfg
 from quantum.openstack.common import importutils
+from quantum.openstack.common import log as logging
 
 LOG = logging.getLogger(__name__)
 
diff --git a/quantum/agent/linux/iptables_manager.py b/quantum/agent/linux/iptables_manager.py
index 83b4d8af2d..5201820f03 100644
--- a/quantum/agent/linux/iptables_manager.py
+++ b/quantum/agent/linux/iptables_manager.py
@@ -22,10 +22,10 @@
 """Implements iptables rules using linux utilities."""
 
 import inspect
-import logging
 import os
 
 from quantum.agent.linux import utils
+from quantum.openstack.common import log as logging
 
 LOG = logging.getLogger(__name__)
 # NOTE(vish): Iptables supports chain names of up to 28 characters,  and we
diff --git a/quantum/agent/linux/ovs_lib.py b/quantum/agent/linux/ovs_lib.py
index 9eaa67e30f..65d840e413 100644
--- a/quantum/agent/linux/ovs_lib.py
+++ b/quantum/agent/linux/ovs_lib.py
@@ -18,10 +18,10 @@
 # @author: Dan Wendlandt, Nicira Networks, Inc.
 # @author: Dave Lapsley, Nicira Networks, Inc.
 
-import logging
 import re
 
 from quantum.agent.linux import utils
+from quantum.openstack.common import log as logging
 
 LOG = logging.getLogger(__name__)
 
diff --git a/quantum/agent/linux/utils.py b/quantum/agent/linux/utils.py
index 0d11aa0c07..8f62753036 100644
--- a/quantum/agent/linux/utils.py
+++ b/quantum/agent/linux/utils.py
@@ -18,7 +18,6 @@
 # @author: Juliano Martinez, Locaweb.
 
 import fcntl
-import logging
 import os
 import shlex
 import signal
@@ -28,7 +27,7 @@ import struct
 from eventlet.green import subprocess
 
 from quantum.common import utils
-
+from quantum.openstack.common import log as logging
 
 LOG = logging.getLogger(__name__)
 
diff --git a/quantum/agent/netns_cleanup_util.py b/quantum/agent/netns_cleanup_util.py
index 3b479d76da..7271968b3c 100644
--- a/quantum/agent/netns_cleanup_util.py
+++ b/quantum/agent/netns_cleanup_util.py
@@ -1,4 +1,3 @@
-import logging
 import re
 import sys
 
@@ -13,6 +12,7 @@ from quantum.api.v2 import attributes
 from quantum.common import config
 from quantum.openstack.common import cfg
 from quantum.openstack.common import importutils
+from quantum.openstack.common import log as logging
 
 LOG = logging.getLogger(__name__)
 NS_MANGLING_PATTERN = ('(%s|%s)' % (dhcp_agent.NS_PREFIX, l3_agent.NS_PREFIX) +
diff --git a/quantum/agent/rpc.py b/quantum/agent/rpc.py
index ff7aa50498..720bb54761 100644
--- a/quantum/agent/rpc.py
+++ b/quantum/agent/rpc.py
@@ -13,12 +13,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import logging
-
 import eventlet
 
 from quantum.common import topics
 
+from quantum.openstack.common import log as logging
 from quantum.openstack.common import rpc
 from quantum.openstack.common.rpc import proxy
 from quantum.openstack.common.notifier import api
diff --git a/quantum/api/api_common.py b/quantum/api/api_common.py
index 8ea128c9db..e9bb12fcfa 100644
--- a/quantum/api/api_common.py
+++ b/quantum/api/api_common.py
@@ -15,10 +15,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import logging
 
 from webob import exc
 
+from quantum.openstack.common import log as logging
 
 LOG = logging.getLogger(__name__)
 
diff --git a/quantum/api/v2/attributes.py b/quantum/api/v2/attributes.py
index 205e7cc47e..306df78ca6 100644
--- a/quantum/api/v2/attributes.py
+++ b/quantum/api/v2/attributes.py
@@ -17,12 +17,11 @@ ATTR_NOT_SPECIFIED = object()
 # Defining a constant to avoid repeating string literal in several modules
 SHARED = 'shared'
 
-import logging
 import netaddr
 import re
 
 from quantum.common import exceptions as q_exc
-
+from quantum.openstack.common import log as logging
 
 LOG = logging.getLogger(__name__)
 
diff --git a/quantum/api/v2/base.py b/quantum/api/v2/base.py
index d6b832356c..0adcf0907e 100644
--- a/quantum/api/v2/base.py
+++ b/quantum/api/v2/base.py
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import logging
 import socket
 
 import webob.exc
@@ -22,6 +21,7 @@ from quantum.api.v2 import attributes
 from quantum.api.v2 import resource as wsgi_resource
 from quantum.common import exceptions
 from quantum.openstack.common import cfg
+from quantum.openstack.common import log as logging
 from quantum.openstack.common.notifier import api as notifier_api
 from quantum import policy
 from quantum import quota
diff --git a/quantum/api/v2/resource.py b/quantum/api/v2/resource.py
index 560ac52e9d..367edae751 100644
--- a/quantum/api/v2/resource.py
+++ b/quantum/api/v2/resource.py
@@ -16,7 +16,6 @@
 """
 Utility methods for working with WSGI servers redux
 """
-import logging
 
 import webob
 import webob.dec
@@ -25,6 +24,7 @@ import webob.exc
 from quantum.common import exceptions
 from quantum import context
 from quantum.openstack.common import jsonutils as json
+from quantum.openstack.common import log as logging
 from quantum import wsgi
 
 
diff --git a/quantum/api/v2/router.py b/quantum/api/v2/router.py
index dcd719373d..ca561d01fa 100644
--- a/quantum/api/v2/router.py
+++ b/quantum/api/v2/router.py
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import logging
 import urlparse
 
 import routes as routes_mapper
@@ -26,6 +25,7 @@ from quantum.api.v2 import base
 from quantum.extensions import extensions
 from quantum import manager
 from quantum.openstack.common import cfg
+from quantum.openstack.common import log as logging
 from quantum import wsgi
 
 
diff --git a/quantum/api/versions.py b/quantum/api/versions.py
index 0e4c093626..9287d04a54 100644
--- a/quantum/api/versions.py
+++ b/quantum/api/versions.py
@@ -15,10 +15,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import logging
 import webob.dec
 
 from quantum.api.views import versions as versions_view
+from quantum.openstack.common import log as logging
 from quantum import wsgi
 
 
diff --git a/quantum/auth.py b/quantum/auth.py
index 4492dcdc45..3cdb3d93e1 100644
--- a/quantum/auth.py
+++ b/quantum/auth.py
@@ -14,15 +14,13 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import logging
-
 import webob.dec
 import webob.exc
 
 from quantum import context
 from quantum import wsgi
 from quantum.openstack.common import cfg
-
+from quantum.openstack.common import log as logging
 
 LOG = logging.getLogger(__name__)
 
diff --git a/quantum/common/config.py b/quantum/common/config.py
index 405a9023b5..d78a3b6410 100644
--- a/quantum/common/config.py
+++ b/quantum/common/config.py
@@ -19,9 +19,6 @@
 Routines for configuring Quantum
 """
 
-import logging
-import logging.config
-import logging.handlers
 import os
 import sys
 
@@ -29,9 +26,9 @@ from paste import deploy
 
 from quantum.api.v2 import attributes
 from quantum.openstack.common import cfg
+from quantum.openstack.common import log as logging
 from quantum.version import version_string
 
-
 LOG = logging.getLogger(__name__)
 
 core_opts = [
@@ -79,45 +76,10 @@ def setup_logging(conf):
 
     :param conf: a cfg.ConfOpts object
     """
-
-    if conf.log_config:
-        # Use a logging configuration file for all settings...
-        if os.path.exists(conf.log_config):
-            logging.config.fileConfig(conf.log_config)
-            return
-        else:
-            raise RuntimeError("Unable to locate specified logging "
-                               "config file: %s" % conf.log_config)
-
-    root_logger = logging.root
-    if conf.debug:
-        root_logger.setLevel(logging.DEBUG)
-    elif conf.verbose:
-        root_logger.setLevel(logging.INFO)
-    else:
-        root_logger.setLevel(logging.WARNING)
-
-    formatter = logging.Formatter(conf.log_format, conf.log_date_format)
-
-    if conf.use_syslog:
-        try:
-            facility = getattr(logging.handlers.SysLogHandler,
-                               conf.syslog_log_facility)
-        except AttributeError:
-            raise ValueError(_("Invalid syslog facility"))
-
-        handler = logging.handlers.SysLogHandler(address='/dev/log',
-                                                 facility=facility)
-    elif conf.log_file:
-        logfile = conf.log_file
-        if conf.log_dir:
-            logfile = os.path.join(conf.log_dir, logfile)
-        handler = logging.handlers.WatchedFileHandler(logfile)
-    else:
-        handler = logging.StreamHandler(sys.stdout)
-
-    handler.setFormatter(formatter)
-    root_logger.addHandler(handler)
+    product_name = "quantum"
+    logging.setup(product_name)
+    log_root = logging.getLogger(product_name).logger
+    log_root.propagate = 0
     LOG.info("Logging enabled!")
 
 
diff --git a/quantum/common/utils.py b/quantum/common/utils.py
index f57fafca84..8b9015cf5f 100644
--- a/quantum/common/utils.py
+++ b/quantum/common/utils.py
@@ -21,7 +21,6 @@
 """Utilities and helper functions."""
 
 
-import logging
 import os
 import signal
 import uuid
@@ -29,8 +28,10 @@ import uuid
 from eventlet.green import subprocess
 
 from quantum.openstack.common import cfg
+from quantum.openstack.common import log as logging
 
 TIME_FORMAT = "%Y-%m-%dT%H:%M:%SZ"
+LOG = logging.getLogger(__name__)
 
 
 def boolize(subject):
@@ -60,7 +61,7 @@ def read_cached_file(filename, cache_info, reload_func=None):
     """
     mtime = os.path.getmtime(filename)
     if not cache_info or mtime != cache_info.get('mtime'):
-        logging.debug(_("Reloading cached file %s") % filename)
+        LOG.debug(_("Reloading cached file %s") % filename)
         with open(filename) as fap:
             cache_info['data'] = fap.read()
         cache_info['mtime'] = mtime
diff --git a/quantum/context.py b/quantum/context.py
index c2555f5232..0013c9f436 100644
--- a/quantum/context.py
+++ b/quantum/context.py
@@ -18,12 +18,14 @@
 """Context: context for security/db session."""
 
 import copy
-import logging
 
 from datetime import datetime
 
 from quantum.db import api as db_api
 from quantum.openstack.common import context as common_context
+from quantum.openstack.common import log as logging
+
+
 LOG = logging.getLogger(__name__)
 
 
diff --git a/quantum/db/api.py b/quantum/db/api.py
index a5f5cc99e2..4c0de4cdbf 100644
--- a/quantum/db/api.py
+++ b/quantum/db/api.py
@@ -17,7 +17,6 @@
 # @author: Brad Hall, Nicira Networks, Inc.
 # @author: Dan Wendlandt, Nicira Networks, Inc.
 
-import logging
 import time
 
 import sqlalchemy as sql
@@ -26,6 +25,7 @@ from sqlalchemy.exc import DisconnectionError
 from sqlalchemy.orm import sessionmaker, exc
 
 from quantum.db import model_base
+from quantum.openstack.common import log as logging
 
 LOG = logging.getLogger(__name__)
 
diff --git a/quantum/db/db_base_plugin_v2.py b/quantum/db/db_base_plugin_v2.py
index 36da230afa..705bb138a4 100644
--- a/quantum/db/db_base_plugin_v2.py
+++ b/quantum/db/db_base_plugin_v2.py
@@ -14,7 +14,6 @@
 # limitations under the License.
 
 import datetime
-import logging
 import random
 
 import netaddr
@@ -28,6 +27,7 @@ from quantum.common import utils
 from quantum.db import api as db
 from quantum.db import models_v2
 from quantum.openstack.common import cfg
+from quantum.openstack.common import log as logging
 from quantum.openstack.common import timeutils
 from quantum import quantum_plugin_base_v2
 
diff --git a/quantum/db/dhcp_rpc_base.py b/quantum/db/dhcp_rpc_base.py
index 42bee7812f..0fa7000b20 100644
--- a/quantum/db/dhcp_rpc_base.py
+++ b/quantum/db/dhcp_rpc_base.py
@@ -13,14 +13,13 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import logging
-
 from sqlalchemy.orm import exc
 
 from quantum import context as quantum_context
 from quantum import manager
 from quantum.api.v2 import attributes
 from quantum.openstack.common import context
+from quantum.openstack.common import log as logging
 
 
 LOG = logging.getLogger(__name__)
diff --git a/quantum/db/l3_db.py b/quantum/db/l3_db.py
index 8b78bf1e2c..8c4d79848f 100644
--- a/quantum/db/l3_db.py
+++ b/quantum/db/l3_db.py
@@ -19,8 +19,6 @@
 #
 """
 
-import logging
-
 import netaddr
 import sqlalchemy as sa
 from sqlalchemy import orm
@@ -36,6 +34,8 @@ from quantum.db import model_base
 from quantum.db import models_v2
 from quantum.extensions import l3
 from quantum.openstack.common import cfg
+from quantum.openstack.common import log as logging
+
 from quantum import policy
 
 
diff --git a/quantum/extensions/extensions.py b/quantum/extensions/extensions.py
index 26ff3222b1..655f3c45ed 100644
--- a/quantum/extensions/extensions.py
+++ b/quantum/extensions/extensions.py
@@ -19,7 +19,6 @@
 
 from abc import ABCMeta
 import imp
-import logging
 import os
 
 import routes
@@ -31,6 +30,7 @@ import quantum.extensions
 from quantum.manager import QuantumManager
 from quantum.openstack.common import cfg
 from quantum.openstack.common import importutils
+from quantum.openstack.common import log as logging
 from quantum import wsgi
 
 
diff --git a/quantum/extensions/flavor.py b/quantum/extensions/flavor.py
index f3940f5262..7b48d462eb 100644
--- a/quantum/extensions/flavor.py
+++ b/quantum/extensions/flavor.py
@@ -15,9 +15,8 @@
 #    under the License.
 #
 
-import logging
-
 from quantum.api.v2 import attributes
+from quantum.openstack.common import log as logging
 
 LOG = logging.getLogger(__name__)
 
diff --git a/quantum/manager.py b/quantum/manager.py
index 77ab57a9aa..bb4981a86b 100644
--- a/quantum/manager.py
+++ b/quantum/manager.py
@@ -23,11 +23,10 @@ class.
 The caller should make sure that QuantumManager is a singleton.
 """
 
-import logging
-
 from quantum.common.exceptions import ClassNotFound
 from quantum.openstack.common import cfg
 from quantum.openstack.common import importutils
+from quantum.openstack.common import log as logging
 
 
 LOG = logging.getLogger(__name__)
diff --git a/quantum/plugins/linuxbridge/agent/linuxbridge_quantum_agent.py b/quantum/plugins/linuxbridge/agent/linuxbridge_quantum_agent.py
index 6ff3ee68fd..1d3fb55fac 100755
--- a/quantum/plugins/linuxbridge/agent/linuxbridge_quantum_agent.py
+++ b/quantum/plugins/linuxbridge/agent/linuxbridge_quantum_agent.py
@@ -22,7 +22,6 @@
 # Quantum OpenVSwitch Plugin.
 # @author: Sumit Naiksatam, Cisco Systems, Inc.
 
-import logging
 import os
 import sys
 import time
@@ -38,12 +37,13 @@ from quantum.common import constants
 from quantum.common import topics
 from quantum.openstack.common import cfg
 from quantum.openstack.common import context
+from quantum.openstack.common import log as logging
 from quantum.openstack.common import rpc
 from quantum.openstack.common.rpc import dispatcher
 from quantum.plugins.linuxbridge.common import config
 from quantum.plugins.linuxbridge.common import constants as lconst
 
-logging.basicConfig()
+
 LOG = logging.getLogger(__name__)
 
 BRIDGE_NAME_PREFIX = "brq"
diff --git a/quantum/plugins/linuxbridge/db/l2network_db_v2.py b/quantum/plugins/linuxbridge/db/l2network_db_v2.py
index 0a671852d0..dee651e437 100644
--- a/quantum/plugins/linuxbridge/db/l2network_db_v2.py
+++ b/quantum/plugins/linuxbridge/db/l2network_db_v2.py
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import logging
 
 from sqlalchemy.orm import exc
 
@@ -21,6 +20,7 @@ from quantum.common import exceptions as q_exc
 import quantum.db.api as db
 from quantum.db import models_v2
 from quantum.openstack.common import cfg
+from quantum.openstack.common import log as logging
 from quantum.plugins.linuxbridge.common import config
 from quantum.plugins.linuxbridge.common import constants
 from quantum.plugins.linuxbridge.db import l2network_models_v2
diff --git a/quantum/plugins/linuxbridge/lb_quantum_plugin.py b/quantum/plugins/linuxbridge/lb_quantum_plugin.py
index 49a1ec10de..173f2e6fd7 100644
--- a/quantum/plugins/linuxbridge/lb_quantum_plugin.py
+++ b/quantum/plugins/linuxbridge/lb_quantum_plugin.py
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import logging
 import sys
 
 from quantum.api.v2 import attributes
@@ -28,6 +27,7 @@ from quantum.db import models_v2
 from quantum.extensions import providernet as provider
 from quantum.openstack.common import context
 from quantum.openstack.common import cfg
+from quantum.openstack.common import log as logging
 from quantum.openstack.common import rpc
 from quantum.openstack.common.rpc import dispatcher
 from quantum.openstack.common.rpc import proxy
diff --git a/quantum/plugins/openvswitch/agent/ovs_quantum_agent.py b/quantum/plugins/openvswitch/agent/ovs_quantum_agent.py
index 4f332e11db..2a8aa169e7 100755
--- a/quantum/plugins/openvswitch/agent/ovs_quantum_agent.py
+++ b/quantum/plugins/openvswitch/agent/ovs_quantum_agent.py
@@ -20,7 +20,6 @@
 # @author: Dave Lapsley, Nicira Networks, Inc.
 # @author: Aaron Rosen, Nicira Networks, Inc.
 
-import logging
 import sys
 import time
 
@@ -35,12 +34,13 @@ from quantum.common import config as logging_config
 from quantum.common import topics
 from quantum.openstack.common import cfg
 from quantum.openstack.common import context
+from quantum.openstack.common import log as logging
 from quantum.openstack.common import rpc
 from quantum.openstack.common.rpc import dispatcher
 from quantum.plugins.openvswitch.common import config
 from quantum.plugins.openvswitch.common import constants
 
-logging.basicConfig()
+
 LOG = logging.getLogger(__name__)
 
 # A placeholder for dead vlans.
@@ -687,8 +687,6 @@ def create_agent_config_map(config):
 def main():
     eventlet.monkey_patch()
     cfg.CONF(args=sys.argv, project='quantum')
-
-    # (TODO) gary - swap with common logging
     logging_config.setup_logging(cfg.CONF)
 
     try:
diff --git a/quantum/plugins/openvswitch/ovs_db_v2.py b/quantum/plugins/openvswitch/ovs_db_v2.py
index 5027ad3967..5e8d567ad6 100644
--- a/quantum/plugins/openvswitch/ovs_db_v2.py
+++ b/quantum/plugins/openvswitch/ovs_db_v2.py
@@ -16,14 +16,13 @@
 # @author: Aaron Rosen, Nicira Networks, Inc.
 # @author: Bob Kukura, Red Hat, Inc.
 
-import logging
-
 from sqlalchemy.orm import exc
 
 from quantum.common import exceptions as q_exc
 from quantum.db import models_v2
 import quantum.db.api as db
 from quantum.openstack.common import cfg
+from quantum.openstack.common import log as logging
 from quantum.plugins.openvswitch.common import constants
 from quantum.plugins.openvswitch import ovs_models_v2
 
diff --git a/quantum/plugins/openvswitch/ovs_quantum_plugin.py b/quantum/plugins/openvswitch/ovs_quantum_plugin.py
index 11c1569f32..008d81a1a0 100644
--- a/quantum/plugins/openvswitch/ovs_quantum_plugin.py
+++ b/quantum/plugins/openvswitch/ovs_quantum_plugin.py
@@ -20,7 +20,6 @@
 # @author: Aaron Rosen, Nicira Networks, Inc.
 # @author: Bob Kukura, Red Hat, Inc.
 
-import logging
 import os
 import sys
 
@@ -34,6 +33,7 @@ from quantum.db import l3_db
 from quantum.extensions import providernet as provider
 from quantum.openstack.common import context
 from quantum.openstack.common import cfg
+from quantum.openstack.common import log as logging
 from quantum.openstack.common import rpc
 from quantum.openstack.common.rpc import dispatcher
 from quantum.openstack.common.rpc import proxy
diff --git a/quantum/policy.py b/quantum/policy.py
index cd1d26f242..de9483eb2c 100644
--- a/quantum/policy.py
+++ b/quantum/policy.py
@@ -18,12 +18,12 @@
 """
 Policy engine for quantum.  Largely copied from nova.
 """
-import logging
 
 from quantum.api.v2 import attributes
 from quantum.common import exceptions
 from quantum.openstack.common import cfg
 import quantum.common.utils as utils
+from quantum.openstack.common import log as logging
 from quantum.openstack.common import policy
 
 
diff --git a/quantum/quota.py b/quantum/quota.py
index 4a00804c33..bcb498fc16 100644
--- a/quantum/quota.py
+++ b/quantum/quota.py
@@ -16,11 +16,10 @@
 
 """Quotas for instances, volumes, and floating ips."""
 
-import logging
-
 from quantum.common import exceptions
 from quantum.openstack.common import cfg
 from quantum.openstack.common import importutils
+from quantum.openstack.common import log as logging
 
 LOG = logging.getLogger(__name__)
 quota_opts = [
diff --git a/quantum/service.py b/quantum/service.py
index 48ef432e2a..f4525300b7 100644
--- a/quantum/service.py
+++ b/quantum/service.py
@@ -15,10 +15,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import logging
-
 from quantum.common import config
 from quantum.openstack.common import cfg
+from quantum.openstack.common import log as logging
 from quantum import wsgi
 
 
diff --git a/quantum/wsgi.py b/quantum/wsgi.py
index 065d73e0b3..946af82dd5 100644
--- a/quantum/wsgi.py
+++ b/quantum/wsgi.py
@@ -18,8 +18,6 @@
 """
 Utility methods for working with WSGI servers
 """
-
-import logging
 import sys
 from xml.dom import minidom
 from xml.parsers import expat
@@ -34,22 +32,11 @@ import webob.exc
 from quantum.common import exceptions as exception
 from quantum import context
 from quantum.openstack.common import jsonutils
-
+from quantum.openstack.common import log as logging
 
 LOG = logging.getLogger(__name__)
 
 
-class WritableLogger(object):
-    """A thin wrapper that responds to `write` and logs."""
-
-    def __init__(self, logger, level=logging.DEBUG):
-        self.logger = logger
-        self.level = level
-
-    def write(self, msg):
-        self.logger.log(self.level, msg.strip("\n"))
-
-
 def run_server(application, port):
     """Run a WSGI server with the given application."""
     sock = eventlet.listen(('0.0.0.0', port))
@@ -79,7 +66,7 @@ class Server(object):
         """Start a WSGI server in a new green thread."""
         logger = logging.getLogger('eventlet.wsgi.server')
         eventlet.wsgi.server(socket, application, custom_pool=self.pool,
-                             log=WritableLogger(logger))
+                             log=logging.WritableLogger(logger))
 
 
 class Middleware(object):