diff --git a/ceilometer/alarm/evaluator/__init__.py b/ceilometer/alarm/evaluator/__init__.py
index f09f478f34..f1059f5523 100644
--- a/ceilometer/alarm/evaluator/__init__.py
+++ b/ceilometer/alarm/evaluator/__init__.py
@@ -22,12 +22,12 @@ import datetime
 
 from ceilometerclient import client as ceiloclient
 from oslo.config import cfg
+from oslo.utils import timeutils
 import pytz
 import six
 
 from ceilometer.openstack.common.gettextutils import _
 from ceilometer.openstack.common import log
-from ceilometer.openstack.common import timeutils
 
 
 LOG = log.getLogger(__name__)
diff --git a/ceilometer/alarm/evaluator/threshold.py b/ceilometer/alarm/evaluator/threshold.py
index 7a328231c5..a15f9370f4 100644
--- a/ceilometer/alarm/evaluator/threshold.py
+++ b/ceilometer/alarm/evaluator/threshold.py
@@ -19,11 +19,12 @@
 import datetime
 import operator
 
+from oslo.utils import timeutils
+
 from ceilometer.alarm import evaluator
 from ceilometer.alarm.evaluator import utils
 from ceilometer.openstack.common.gettextutils import _
 from ceilometer.openstack.common import log
-from ceilometer.openstack.common import timeutils
 
 LOG = log.getLogger(__name__)
 
diff --git a/ceilometer/alarm/partition/coordination.py b/ceilometer/alarm/partition/coordination.py
index c0bbeb06a3..e86358957f 100644
--- a/ceilometer/alarm/partition/coordination.py
+++ b/ceilometer/alarm/partition/coordination.py
@@ -19,10 +19,11 @@ import math
 import random
 import uuid
 
+from oslo.utils import timeutils
+
 from ceilometer.alarm import rpc as rpc_alarm
 from ceilometer.openstack.common.gettextutils import _
 from ceilometer.openstack.common import log
-from ceilometer.openstack.common import timeutils
 
 
 LOG = log.getLogger(__name__)
diff --git a/ceilometer/alarm/service.py b/ceilometer/alarm/service.py
index 9bc9896763..614d03f888 100644
--- a/ceilometer/alarm/service.py
+++ b/ceilometer/alarm/service.py
@@ -21,6 +21,7 @@ import abc
 
 from ceilometerclient import client as ceiloclient
 from oslo.config import cfg
+from oslo.utils import netutils
 import six
 from stevedore import extension
 
@@ -29,7 +30,6 @@ from ceilometer.alarm import rpc as rpc_alarm
 from ceilometer import messaging
 from ceilometer.openstack.common.gettextutils import _
 from ceilometer.openstack.common import log
-from ceilometer.openstack.common import network_utils
 from ceilometer.openstack.common import service as os_service
 
 
@@ -210,7 +210,7 @@ class AlarmNotifierService(os_service.Service):
     def _handle_action(self, action, alarm_id, previous,
                        current, reason, reason_data):
         try:
-            action = network_utils.urlsplit(action)
+            action = netutils.urlsplit(action)
         except Exception:
             LOG.error(
                 _("Unable to parse action %(action)s for alarm %(alarm_id)s"),
diff --git a/ceilometer/alarm/storage/impl_hbase.py b/ceilometer/alarm/storage/impl_hbase.py
index efdcb47227..d644095753 100644
--- a/ceilometer/alarm/storage/impl_hbase.py
+++ b/ceilometer/alarm/storage/impl_hbase.py
@@ -16,13 +16,13 @@ import datetime
 import os
 
 import happybase
+from oslo.utils import netutils
 from six.moves.urllib import parse as urlparse
 
 from ceilometer.alarm.storage import base
 from ceilometer.alarm.storage import models
 from ceilometer.openstack.common.gettextutils import _
 from ceilometer.openstack.common import log
-from ceilometer.openstack.common import network_utils
 from ceilometer.storage.hbase import inmemory as hbase_inmemory
 from ceilometer.storage.hbase import utils as hbase_utils
 from ceilometer import utils
@@ -140,7 +140,7 @@ class Connection(base.Connection):
           database name, so we are not looking for these in the url.
         """
         opts = {}
-        result = network_utils.urlsplit(url)
+        result = netutils.urlsplit(url)
         opts['table_prefix'] = urlparse.parse_qs(
             result.query).get('table_prefix', [None])[0]
         opts['dbtype'] = result.scheme
diff --git a/ceilometer/api/controllers/v2.py b/ceilometer/api/controllers/v2.py
index be5900fef8..b4592abd4a 100644
--- a/ceilometer/api/controllers/v2.py
+++ b/ceilometer/api/controllers/v2.py
@@ -37,6 +37,8 @@ import pytz
 import uuid
 
 from oslo.config import cfg
+from oslo.utils import strutils
+from oslo.utils import timeutils
 import pecan
 from pecan import rest
 import six
@@ -50,8 +52,6 @@ from ceilometer import messaging
 from ceilometer.openstack.common import context
 from ceilometer.openstack.common.gettextutils import _
 from ceilometer.openstack.common import log
-from ceilometer.openstack.common import strutils
-from ceilometer.openstack.common import timeutils
 from ceilometer import sample
 from ceilometer import storage
 from ceilometer import utils
diff --git a/ceilometer/cli.py b/ceilometer/cli.py
index 541bebb6e0..b66f3af0d1 100644
--- a/ceilometer/cli.py
+++ b/ceilometer/cli.py
@@ -29,9 +29,9 @@ import eventlet
 # oslo.messaging use threading.local
 eventlet.monkey_patch(socket=True, select=True, thread=True)
 from oslo.config import cfg
+from oslo.utils import timeutils
 
 from ceilometer.openstack.common import context
-from ceilometer.openstack.common import timeutils
 from ceilometer import pipeline
 from ceilometer import sample
 from ceilometer import service
diff --git a/ceilometer/cmd/alarm.py b/ceilometer/cmd/alarm.py
index 63def1c7f9..37ef1f34f2 100644
--- a/ceilometer/cmd/alarm.py
+++ b/ceilometer/cmd/alarm.py
@@ -15,9 +15,9 @@
 # under the License.
 
 from oslo.config import cfg
+from oslo.utils import importutils
 
 from ceilometer.alarm import service as alarm_service
-from ceilometer.openstack.common import importutils
 from ceilometer.openstack.common import service as os_service
 from ceilometer import service
 
diff --git a/ceilometer/collector.py b/ceilometer/collector.py
index 18bae24515..6da4371ae4 100644
--- a/ceilometer/collector.py
+++ b/ceilometer/collector.py
@@ -19,13 +19,13 @@ import socket
 
 import msgpack
 from oslo.config import cfg
+from oslo.utils import units
 
 from ceilometer import dispatcher
 from ceilometer import messaging
 from ceilometer.openstack.common.gettextutils import _
 from ceilometer.openstack.common import log
 from ceilometer.openstack.common import service as os_service
-from ceilometer.openstack.common import units
 
 OPTS = [
     cfg.StrOpt('udp_address',
diff --git a/ceilometer/compute/notifications/cpu.py b/ceilometer/compute/notifications/cpu.py
index 7af186da33..f4cd2c07d7 100644
--- a/ceilometer/compute/notifications/cpu.py
+++ b/ceilometer/compute/notifications/cpu.py
@@ -17,11 +17,11 @@
 """Converters for producing compute CPU sample messages from notification
 events.
 """
+from oslo.utils import timeutils
 
 from ceilometer.compute import notifications
 from ceilometer.openstack.common.gettextutils import _
 from ceilometer.openstack.common import log
-from ceilometer.openstack.common import timeutils
 from ceilometer import sample
 
 LOG = log.getLogger(__name__)
diff --git a/ceilometer/compute/plugin.py b/ceilometer/compute/plugin.py
index a6b6942b26..a4995c3255 100644
--- a/ceilometer/compute/plugin.py
+++ b/ceilometer/compute/plugin.py
@@ -18,9 +18,10 @@
 """
 
 import abc
+
+from oslo.utils import timeutils
 import six
 
-from ceilometer.openstack.common import timeutils
 from ceilometer import plugin
 
 
diff --git a/ceilometer/compute/pollsters/net.py b/ceilometer/compute/pollsters/net.py
index c95c23f53b..ba56ad923d 100644
--- a/ceilometer/compute/pollsters/net.py
+++ b/ceilometer/compute/pollsters/net.py
@@ -19,12 +19,13 @@
 
 import copy
 
+from oslo.utils import timeutils
+
 from ceilometer.compute import plugin
 from ceilometer.compute.pollsters import util
 from ceilometer.compute.virt import inspector as virt_inspector
 from ceilometer.openstack.common.gettextutils import _
 from ceilometer.openstack.common import log
-from ceilometer.openstack.common import timeutils
 from ceilometer import sample
 
 LOG = log.getLogger(__name__)
diff --git a/ceilometer/compute/pollsters/util.py b/ceilometer/compute/pollsters/util.py
index f979f7157d..0492c19ab5 100644
--- a/ceilometer/compute/pollsters/util.py
+++ b/ceilometer/compute/pollsters/util.py
@@ -16,9 +16,9 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 # License for the specific language governing permissions and limitations
 # under the License.
+from oslo.utils import timeutils
 
 from ceilometer.compute import util as compute_util
-from ceilometer.openstack.common import timeutils
 from ceilometer import sample
 
 
diff --git a/ceilometer/compute/virt/hyperv/inspector.py b/ceilometer/compute/virt/hyperv/inspector.py
index 6cb2a69668..183b0ca2be 100644
--- a/ceilometer/compute/virt/hyperv/inspector.py
+++ b/ceilometer/compute/virt/hyperv/inspector.py
@@ -17,11 +17,11 @@
 """Implementation of Inspector abstraction for Hyper-V"""
 
 from oslo.config import cfg
+from oslo.utils import units
 
 from ceilometer.compute.virt.hyperv import utilsv2
 from ceilometer.compute.virt import inspector as virt_inspector
 from ceilometer.openstack.common import log
-from ceilometer.openstack.common import units
 
 CONF = cfg.CONF
 LOG = log.getLogger(__name__)
diff --git a/ceilometer/compute/virt/vmware/inspector.py b/ceilometer/compute/virt/vmware/inspector.py
index f08cbf6325..22fab9a851 100644
--- a/ceilometer/compute/virt/vmware/inspector.py
+++ b/ceilometer/compute/virt/vmware/inspector.py
@@ -16,12 +16,12 @@
 """Implementation of Inspector abstraction for VMware vSphere"""
 
 from oslo.config import cfg
+from oslo.utils import units
 from oslo.vmware import api
 
 from ceilometer.compute.virt import inspector as virt_inspector
 from ceilometer.compute.virt.vmware import vsphere_operations
 from ceilometer.openstack.common.gettextutils import _
-from ceilometer.openstack.common import units
 
 
 opt_group = cfg.OptGroup(name='vmware',
diff --git a/ceilometer/dispatcher/database.py b/ceilometer/dispatcher/database.py
index 7bb13c523c..0093b1ba1f 100644
--- a/ceilometer/dispatcher/database.py
+++ b/ceilometer/dispatcher/database.py
@@ -14,11 +14,11 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 # License for the specific language governing permissions and limitations
 # under the License.
+from oslo.utils import timeutils
 
 from ceilometer import dispatcher
 from ceilometer.openstack.common.gettextutils import _
 from ceilometer.openstack.common import log
-from ceilometer.openstack.common import timeutils
 from ceilometer.publisher import utils as publisher_utils
 from ceilometer import storage
 
diff --git a/ceilometer/event/converter.py b/ceilometer/event/converter.py
index d6c9466c63..89a0d00e57 100644
--- a/ceilometer/event/converter.py
+++ b/ceilometer/event/converter.py
@@ -20,12 +20,12 @@ import os
 
 import jsonpath_rw
 from oslo.config import cfg
+from oslo.utils import timeutils
 import six
 import yaml
 
 from ceilometer.openstack.common.gettextutils import _
 from ceilometer.openstack.common import log
-from ceilometer.openstack.common import timeutils
 from ceilometer.storage import models
 
 OPTS = [
diff --git a/ceilometer/hardware/plugin.py b/ceilometer/hardware/plugin.py
index 363ffb04f1..83c5e4a318 100644
--- a/ceilometer/hardware/plugin.py
+++ b/ceilometer/hardware/plugin.py
@@ -21,13 +21,13 @@
 
 import abc
 import itertools
+from oslo.utils import netutils
 import six
 
 from ceilometer.central import plugin
 from ceilometer.hardware import inspector as insloader
 from ceilometer.openstack.common.gettextutils import _
 from ceilometer.openstack.common import log
-from ceilometer.openstack.common import network_utils
 
 LOG = log.getLogger(__name__)
 
@@ -54,7 +54,7 @@ class HardwarePollster(plugin.CentralPollster):
         h_cache = cache.setdefault(self.CACHE_KEY, {})
         sample_iters = []
         for res in resources:
-            parsed_url = network_utils.urlsplit(res)
+            parsed_url = netutils.urlsplit(res)
             inspector = self._get_inspector(parsed_url)
             func = getattr(inspector, self.INSPECT_METHOD)
 
diff --git a/ceilometer/hardware/pollsters/util.py b/ceilometer/hardware/pollsters/util.py
index ac1b40dc25..37f77a3f73 100644
--- a/ceilometer/hardware/pollsters/util.py
+++ b/ceilometer/hardware/pollsters/util.py
@@ -20,9 +20,9 @@
 
 import copy
 
+from oslo.utils import timeutils
 from six.moves.urllib import parse as urlparse
 
-from ceilometer.openstack.common import timeutils
 from ceilometer import sample
 
 
diff --git a/ceilometer/image/glance.py b/ceilometer/image/glance.py
index 85bf6851bb..0d2d619b94 100644
--- a/ceilometer/image/glance.py
+++ b/ceilometer/image/glance.py
@@ -22,9 +22,9 @@ import itertools
 
 import glanceclient
 from oslo.config import cfg
+from oslo.utils import timeutils
 
 from ceilometer.central import plugin
-from ceilometer.openstack.common import timeutils
 from ceilometer import sample
 
 
diff --git a/ceilometer/network/floatingip.py b/ceilometer/network/floatingip.py
index 5228fa8042..46536d6ea5 100644
--- a/ceilometer/network/floatingip.py
+++ b/ceilometer/network/floatingip.py
@@ -17,12 +17,12 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 # License for the specific language governing permissions and limitations
 # under the License.
+from oslo.utils import timeutils
 
 from ceilometer.central import plugin
 from ceilometer import nova_client
 from ceilometer.openstack.common.gettextutils import _
 from ceilometer.openstack.common import log
-from ceilometer.openstack.common import timeutils
 from ceilometer import sample
 
 LOG = log.getLogger(__name__)
diff --git a/ceilometer/network/services/fwaas.py b/ceilometer/network/services/fwaas.py
index 74967b7a24..0d093c10cc 100644
--- a/ceilometer/network/services/fwaas.py
+++ b/ceilometer/network/services/fwaas.py
@@ -14,11 +14,11 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 # License for the specific language governing permissions and limitations
 # under the License.
+from oslo.utils import timeutils
 
 from ceilometer.network.services import base
 from ceilometer.openstack.common.gettextutils import _
 from ceilometer.openstack.common import log
-from ceilometer.openstack.common import timeutils
 from ceilometer import sample
 
 LOG = log.getLogger(__name__)
diff --git a/ceilometer/network/services/lbaas.py b/ceilometer/network/services/lbaas.py
index 2782622604..da74359530 100644
--- a/ceilometer/network/services/lbaas.py
+++ b/ceilometer/network/services/lbaas.py
@@ -17,12 +17,13 @@
 
 import abc
 import collections
+
+from oslo.utils import timeutils
 import six
 
 from ceilometer.network.services import base
 from ceilometer.openstack.common.gettextutils import _
 from ceilometer.openstack.common import log
-from ceilometer.openstack.common import timeutils
 from ceilometer import sample
 
 LOG = log.getLogger(__name__)
diff --git a/ceilometer/network/services/vpnaas.py b/ceilometer/network/services/vpnaas.py
index a7a3891c76..0696dd1213 100644
--- a/ceilometer/network/services/vpnaas.py
+++ b/ceilometer/network/services/vpnaas.py
@@ -14,11 +14,11 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 # License for the specific language governing permissions and limitations
 # under the License.
+from oslo.utils import timeutils
 
 from ceilometer.network.services import base
 from ceilometer.openstack.common.gettextutils import _
 from ceilometer.openstack.common import log
-from ceilometer.openstack.common import timeutils
 from ceilometer import sample
 
 LOG = log.getLogger(__name__)
diff --git a/ceilometer/network/statistics/__init__.py b/ceilometer/network/statistics/__init__.py
index 76d2dd2219..9a0d0d6f71 100644
--- a/ceilometer/network/statistics/__init__.py
+++ b/ceilometer/network/statistics/__init__.py
@@ -15,12 +15,12 @@
 
 import abc
 
+from oslo.utils import netutils
 import six
 from six.moves.urllib import parse as urlparse
 from stevedore import driver as _driver
 
 from ceilometer.central import plugin
-from ceilometer.openstack.common import network_utils
 from ceilometer import sample
 
 
@@ -45,7 +45,7 @@ class _Base(plugin.CentralPollster):
     @staticmethod
     def _parse_my_resource(resource):
 
-        parse_url = network_utils.urlsplit(resource)
+        parse_url = netutils.urlsplit(resource)
 
         params = urlparse.parse_qs(parse_url.query)
         parts = urlparse.ParseResult(parse_url.scheme,
diff --git a/ceilometer/network/statistics/opencontrail/driver.py b/ceilometer/network/statistics/opencontrail/driver.py
index 56552f9179..a64cabb24c 100644
--- a/ceilometer/network/statistics/opencontrail/driver.py
+++ b/ceilometer/network/statistics/opencontrail/driver.py
@@ -13,13 +13,12 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 # License for the specific language governing permissions and limitations
 # under the License.
-
+from oslo.utils import timeutils
 from six.moves.urllib import parse as urlparse
 
 from ceilometer.network.statistics import driver
 from ceilometer.network.statistics.opencontrail import client
 from ceilometer import neutron_client
-from ceilometer.openstack.common import timeutils
 
 
 class OpencontrailDriver(driver.Driver):
diff --git a/ceilometer/network/statistics/opendaylight/driver.py b/ceilometer/network/statistics/opendaylight/driver.py
index 999c385c4b..492ab58c6b 100644
--- a/ceilometer/network/statistics/opendaylight/driver.py
+++ b/ceilometer/network/statistics/opendaylight/driver.py
@@ -12,7 +12,7 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 # License for the specific language governing permissions and limitations
 # under the License.
-
+from oslo.utils import timeutils
 import six
 from six import moves
 from six.moves.urllib import parse as urlparse
@@ -21,7 +21,6 @@ from ceilometer.network.statistics import driver
 from ceilometer.network.statistics.opendaylight import client
 from ceilometer.openstack.common.gettextutils import _
 from ceilometer.openstack.common import log
-from ceilometer.openstack.common import timeutils
 from ceilometer import utils
 
 
diff --git a/ceilometer/objectstore/swift.py b/ceilometer/objectstore/swift.py
index 972c679357..7053b2e63a 100644
--- a/ceilometer/objectstore/swift.py
+++ b/ceilometer/objectstore/swift.py
@@ -21,13 +21,13 @@ from __future__ import absolute_import
 
 from keystoneclient import exceptions
 from oslo.config import cfg
+from oslo.utils import timeutils
 import six.moves.urllib.parse as urlparse
 from swiftclient import client as swift
 
 from ceilometer.central import plugin
 from ceilometer.openstack.common.gettextutils import _
 from ceilometer.openstack.common import log
-from ceilometer.openstack.common import timeutils
 from ceilometer import sample
 
 
diff --git a/ceilometer/objectstore/swift_middleware.py b/ceilometer/objectstore/swift_middleware.py
index f7b8a016d5..ce41711ad2 100644
--- a/ceilometer/objectstore/swift_middleware.py
+++ b/ceilometer/objectstore/swift_middleware.py
@@ -41,9 +41,10 @@ before "proxy-server" and add the following filter in the file:
 
 from __future__ import absolute_import
 
+from oslo.utils import timeutils
+
 from ceilometer.openstack.common import context
 from ceilometer.openstack.common import log
-from ceilometer.openstack.common import timeutils
 from ceilometer import pipeline
 from ceilometer import sample
 from ceilometer import service
diff --git a/ceilometer/openstack/common/network_utils.py b/ceilometer/openstack/common/network_utils.py
deleted file mode 100644
index 1c422499ae..0000000000
--- a/ceilometer/openstack/common/network_utils.py
+++ /dev/null
@@ -1,163 +0,0 @@
-# Copyright 2012 OpenStack Foundation.
-# All Rights Reserved.
-#
-#    Licensed under the Apache License, Version 2.0 (the "License"); you may
-#    not use this file except in compliance with the License. You may obtain
-#    a copy of the License at
-#
-#         http://www.apache.org/licenses/LICENSE-2.0
-#
-#    Unless required by applicable law or agreed to in writing, software
-#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#    License for the specific language governing permissions and limitations
-#    under the License.
-
-"""
-Network-related utilities and helper functions.
-"""
-
-import logging
-import socket
-
-from six.moves.urllib import parse
-
-from ceilometer.openstack.common.gettextutils import _LW
-
-LOG = logging.getLogger(__name__)
-
-
-def parse_host_port(address, default_port=None):
-    """Interpret a string as a host:port pair.
-
-    An IPv6 address MUST be escaped if accompanied by a port,
-    because otherwise ambiguity ensues: 2001:db8:85a3::8a2e:370:7334
-    means both [2001:db8:85a3::8a2e:370:7334] and
-    [2001:db8:85a3::8a2e:370]:7334.
-
-    >>> parse_host_port('server01:80')
-    ('server01', 80)
-    >>> parse_host_port('server01')
-    ('server01', None)
-    >>> parse_host_port('server01', default_port=1234)
-    ('server01', 1234)
-    >>> parse_host_port('[::1]:80')
-    ('::1', 80)
-    >>> parse_host_port('[::1]')
-    ('::1', None)
-    >>> parse_host_port('[::1]', default_port=1234)
-    ('::1', 1234)
-    >>> parse_host_port('2001:db8:85a3::8a2e:370:7334', default_port=1234)
-    ('2001:db8:85a3::8a2e:370:7334', 1234)
-    >>> parse_host_port(None)
-    (None, None)
-    """
-    if not address:
-        return (None, None)
-
-    if address[0] == '[':
-        # Escaped ipv6
-        _host, _port = address[1:].split(']')
-        host = _host
-        if ':' in _port:
-            port = _port.split(':')[1]
-        else:
-            port = default_port
-    else:
-        if address.count(':') == 1:
-            host, port = address.split(':')
-        else:
-            # 0 means ipv4, >1 means ipv6.
-            # We prohibit unescaped ipv6 addresses with port.
-            host = address
-            port = default_port
-
-    return (host, None if port is None else int(port))
-
-
-class ModifiedSplitResult(parse.SplitResult):
-    """Split results class for urlsplit."""
-
-    # NOTE(dims): The functions below are needed for Python 2.6.x.
-    # We can remove these when we drop support for 2.6.x.
-    @property
-    def hostname(self):
-        netloc = self.netloc.split('@', 1)[-1]
-        host, port = parse_host_port(netloc)
-        return host
-
-    @property
-    def port(self):
-        netloc = self.netloc.split('@', 1)[-1]
-        host, port = parse_host_port(netloc)
-        return port
-
-
-def urlsplit(url, scheme='', allow_fragments=True):
-    """Parse a URL using urlparse.urlsplit(), splitting query and fragments.
-    This function papers over Python issue9374 when needed.
-
-    The parameters are the same as urlparse.urlsplit.
-    """
-    scheme, netloc, path, query, fragment = parse.urlsplit(
-        url, scheme, allow_fragments)
-    if allow_fragments and '#' in path:
-        path, fragment = path.split('#', 1)
-    if '?' in path:
-        path, query = path.split('?', 1)
-    return ModifiedSplitResult(scheme, netloc,
-                               path, query, fragment)
-
-
-def set_tcp_keepalive(sock, tcp_keepalive=True,
-                      tcp_keepidle=None,
-                      tcp_keepalive_interval=None,
-                      tcp_keepalive_count=None):
-    """Set values for tcp keepalive parameters
-
-    This function configures tcp keepalive parameters if users wish to do
-    so.
-
-    :param tcp_keepalive: Boolean, turn on or off tcp_keepalive. If users are
-      not sure, this should be True, and default values will be used.
-
-    :param tcp_keepidle: time to wait before starting to send keepalive probes
-    :param tcp_keepalive_interval: time between successive probes, once the
-      initial wait time is over
-    :param tcp_keepalive_count: number of probes to send before the connection
-      is killed
-    """
-
-    # NOTE(praneshp): Despite keepalive being a tcp concept, the level is
-    # still SOL_SOCKET. This is a quirk.
-    if isinstance(tcp_keepalive, bool):
-        sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, tcp_keepalive)
-    else:
-        raise TypeError("tcp_keepalive must be a boolean")
-
-    if not tcp_keepalive:
-        return
-
-    # These options aren't available in the OS X version of eventlet,
-    # Idle + Count * Interval effectively gives you the total timeout.
-    if tcp_keepidle is not None:
-        if hasattr(socket, 'TCP_KEEPIDLE'):
-            sock.setsockopt(socket.IPPROTO_TCP,
-                            socket.TCP_KEEPIDLE,
-                            tcp_keepidle)
-        else:
-            LOG.warning(_LW('tcp_keepidle not available on your system'))
-    if tcp_keepalive_interval is not None:
-        if hasattr(socket, 'TCP_KEEPINTVL'):
-            sock.setsockopt(socket.IPPROTO_TCP,
-                            socket.TCP_KEEPINTVL,
-                            tcp_keepalive_interval)
-        else:
-            LOG.warning(_LW('tcp_keepintvl not available on your system'))
-    if tcp_keepalive_count is not None:
-        if hasattr(socket, 'TCP_KEEPCNT'):
-            sock.setsockopt(socket.IPPROTO_TCP,
-                            socket.TCP_KEEPCNT,
-                            tcp_keepalive_count)
-        else:
-            LOG.warning(_LW('tcp_keepknt not available on your system'))
diff --git a/ceilometer/openstack/common/units.py b/ceilometer/openstack/common/units.py
deleted file mode 100644
index 4817da509f..0000000000
--- a/ceilometer/openstack/common/units.py
+++ /dev/null
@@ -1,38 +0,0 @@
-# Copyright 2013 IBM Corp
-# All Rights Reserved.
-#
-#    Licensed under the Apache License, Version 2.0 (the "License"); you may
-#    not use this file except in compliance with the License. You may obtain
-#    a copy of the License at
-#
-#         http://www.apache.org/licenses/LICENSE-2.0
-#
-#    Unless required by applicable law or agreed to in writing, software
-#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#    License for the specific language governing permissions and limitations
-#    under the License.
-
-"""
-Unit constants
-"""
-
-# Binary unit constants.
-Ki = 1024
-Mi = 1024 ** 2
-Gi = 1024 ** 3
-Ti = 1024 ** 4
-Pi = 1024 ** 5
-Ei = 1024 ** 6
-Zi = 1024 ** 7
-Yi = 1024 ** 8
-
-# Decimal unit constants.
-k = 1000
-M = 1000 ** 2
-G = 1000 ** 3
-T = 1000 ** 4
-P = 1000 ** 5
-E = 1000 ** 6
-Z = 1000 ** 7
-Y = 1000 ** 8
diff --git a/ceilometer/publisher/__init__.py b/ceilometer/publisher/__init__.py
index 8fdeaa0599..acee885f14 100644
--- a/ceilometer/publisher/__init__.py
+++ b/ceilometer/publisher/__init__.py
@@ -1,6 +1,6 @@
 #
 # Copyright 2013 Intel Corp.
-# Copyright 2013 eNovance
+# Copyright 2013-2014 eNovance
 #
 # Author: Yunhong Jiang <yunhong.jiang@intel.com>
 #         Julien Danjou <julien@danjou.info>
@@ -19,11 +19,10 @@
 
 import abc
 
+from oslo.utils import netutils
 import six
 from stevedore import driver
 
-from ceilometer.openstack.common import network_utils
-
 
 def get_publisher(url, namespace='ceilometer.publisher'):
     """Get publisher driver and load it.
@@ -31,7 +30,7 @@ def get_publisher(url, namespace='ceilometer.publisher'):
     :param URL: URL for the publisher
     :param namespace: Namespace to use to look for drivers.
     """
-    parse_result = network_utils.urlsplit(url)
+    parse_result = netutils.urlsplit(url)
     loaded_driver = driver.DriverManager(namespace, parse_result.scheme)
     return loaded_driver.driver(parse_result)
 
diff --git a/ceilometer/publisher/udp.py b/ceilometer/publisher/udp.py
index 6baac07409..46797a1a07 100644
--- a/ceilometer/publisher/udp.py
+++ b/ceilometer/publisher/udp.py
@@ -22,10 +22,10 @@ import socket
 
 import msgpack
 from oslo.config import cfg
+from oslo.utils import netutils
 
 from ceilometer.openstack.common.gettextutils import _
 from ceilometer.openstack.common import log
-from ceilometer.openstack.common import network_utils
 from ceilometer import publisher
 from ceilometer.publisher import utils
 
@@ -37,7 +37,7 @@ LOG = log.getLogger(__name__)
 
 class UDPPublisher(publisher.PublisherBase):
     def __init__(self, parsed_url):
-        self.host, self.port = network_utils.parse_host_port(
+        self.host, self.port = netutils.parse_host_port(
             parsed_url.netloc,
             default_port=cfg.CONF.collector.udp_port)
         self.socket = socket.socket(socket.AF_INET,
diff --git a/ceilometer/storage/base.py b/ceilometer/storage/base.py
index 769e3a44bd..fd0f072e47 100644
--- a/ceilometer/storage/base.py
+++ b/ceilometer/storage/base.py
@@ -21,11 +21,10 @@ import datetime
 import inspect
 import math
 
+from oslo.utils import timeutils
 import six
 from six import moves
 
-from ceilometer.openstack.common import timeutils
-
 
 def iter_period(start, end, period):
     """Split a time from start to end in periods of a number of seconds.
diff --git a/ceilometer/storage/impl_db2.py b/ceilometer/storage/impl_db2.py
index 4f21f1953d..899b5df05b 100644
--- a/ceilometer/storage/impl_db2.py
+++ b/ceilometer/storage/impl_db2.py
@@ -28,11 +28,11 @@ import sys
 
 import bson.code
 import bson.objectid
+from oslo.utils import timeutils
 import pymongo
 import six
 
 from ceilometer.openstack.common import log
-from ceilometer.openstack.common import timeutils
 from ceilometer import storage
 from ceilometer.storage import base
 from ceilometer.storage import models
diff --git a/ceilometer/storage/impl_hbase.py b/ceilometer/storage/impl_hbase.py
index 5da907205f..24b12bf4a4 100644
--- a/ceilometer/storage/impl_hbase.py
+++ b/ceilometer/storage/impl_hbase.py
@@ -18,12 +18,12 @@ import os
 import time
 
 import happybase
+from oslo.utils import netutils
+from oslo.utils import timeutils
 from six.moves.urllib import parse as urlparse
 
 from ceilometer.openstack.common.gettextutils import _
 from ceilometer.openstack.common import log
-from ceilometer.openstack.common import network_utils
-from ceilometer.openstack.common import timeutils
 from ceilometer.storage import base
 from ceilometer.storage.hbase import inmemory as hbase_inmemory
 from ceilometer.storage.hbase import utils as hbase_utils
@@ -205,7 +205,7 @@ class Connection(base.Connection):
           database name, so we are not looking for these in the url.
         """
         opts = {}
-        result = network_utils.urlsplit(url)
+        result = netutils.urlsplit(url)
         opts['table_prefix'] = urlparse.parse_qs(
             result.query).get('table_prefix', [None])[0]
         opts['dbtype'] = result.scheme
diff --git a/ceilometer/storage/impl_mongodb.py b/ceilometer/storage/impl_mongodb.py
index 3110850f8a..2b432767ea 100644
--- a/ceilometer/storage/impl_mongodb.py
+++ b/ceilometer/storage/impl_mongodb.py
@@ -30,11 +30,11 @@ import uuid
 import bson.code
 import bson.objectid
 from oslo.config import cfg
+from oslo.utils import timeutils
 import pymongo
 import six
 
 from ceilometer.openstack.common import log
-from ceilometer.openstack.common import timeutils
 from ceilometer import storage
 from ceilometer.storage import base
 from ceilometer.storage import models
diff --git a/ceilometer/storage/impl_sqlalchemy.py b/ceilometer/storage/impl_sqlalchemy.py
index 94feb5ffaf..53ac5a8d4d 100644
--- a/ceilometer/storage/impl_sqlalchemy.py
+++ b/ceilometer/storage/impl_sqlalchemy.py
@@ -22,6 +22,7 @@ import operator
 import os
 
 from oslo.config import cfg
+from oslo.utils import timeutils
 import six
 from sqlalchemy import and_
 from sqlalchemy import distinct
@@ -33,7 +34,6 @@ from ceilometer.openstack.common.db.sqlalchemy import migration
 import ceilometer.openstack.common.db.sqlalchemy.session as sqlalchemy_session
 from ceilometer.openstack.common.gettextutils import _
 from ceilometer.openstack.common import log
-from ceilometer.openstack.common import timeutils
 from ceilometer import storage
 from ceilometer.storage import base
 from ceilometer.storage import models as api_models
diff --git a/ceilometer/storage/models.py b/ceilometer/storage/models.py
index fe874fb9da..9f707c52e9 100644
--- a/ceilometer/storage/models.py
+++ b/ceilometer/storage/models.py
@@ -16,8 +16,8 @@
 # under the License.
 """Model classes for use in the storage API.
 """
+from oslo.utils import timeutils
 
-from ceilometer.openstack.common import timeutils
 from ceilometer.storage import base
 
 
diff --git a/ceilometer/storage/mongo/utils.py b/ceilometer/storage/mongo/utils.py
index fe337651e4..5f2ad07b06 100644
--- a/ceilometer/storage/mongo/utils.py
+++ b/ceilometer/storage/mongo/utils.py
@@ -22,13 +22,13 @@
 import time
 
 from oslo.config import cfg
+from oslo.utils import netutils
 import pymongo
 import six
 import weakref
 
 from ceilometer.openstack.common.gettextutils import _
 from ceilometer.openstack.common import log
-from ceilometer.openstack.common import network_utils
 
 LOG = log.getLogger(__name__)
 
@@ -171,7 +171,7 @@ class ConnectionPool(object):
             client = self._pool.get(pool_key)()
             if client:
                 return client
-        splitted_url = network_utils.urlsplit(url)
+        splitted_url = netutils.urlsplit(url)
         log_data = {'db': splitted_url.scheme,
                     'nodelist': connection_options['nodelist']}
         LOG.info(_('Connecting to %(db)s on %(nodelist)s') % log_data)
diff --git a/ceilometer/storage/sqlalchemy/migrate_repo/versions/005_remove_resource_timestamp.py b/ceilometer/storage/sqlalchemy/migrate_repo/versions/005_remove_resource_timestamp.py
index 0dd422c30d..0659fd84d4 100644
--- a/ceilometer/storage/sqlalchemy/migrate_repo/versions/005_remove_resource_timestamp.py
+++ b/ceilometer/storage/sqlalchemy/migrate_repo/versions/005_remove_resource_timestamp.py
@@ -14,11 +14,9 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 # License for the specific language governing permissions and limitations
 # under the License.
-
+from oslo.utils import timeutils
 from sqlalchemy import MetaData, Table, Column, DateTime
 
-from ceilometer.openstack.common import timeutils
-
 
 def upgrade(migrate_engine):
     meta = MetaData(bind=migrate_engine)
diff --git a/ceilometer/storage/sqlalchemy/migrate_repo/versions/029_sample_recorded_at.py b/ceilometer/storage/sqlalchemy/migrate_repo/versions/029_sample_recorded_at.py
index ee9f2dc7bb..722d7107fb 100644
--- a/ceilometer/storage/sqlalchemy/migrate_repo/versions/029_sample_recorded_at.py
+++ b/ceilometer/storage/sqlalchemy/migrate_repo/versions/029_sample_recorded_at.py
@@ -10,10 +10,9 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 # License for the specific language governing permissions and limitations
 # under the License.
-
+from oslo.utils import timeutils
 import sqlalchemy
 
-from ceilometer.openstack.common import timeutils
 from ceilometer.storage.sqlalchemy import models
 
 
diff --git a/ceilometer/storage/sqlalchemy/models.py b/ceilometer/storage/sqlalchemy/models.py
index 97374b4bca..a494a8bcc9 100644
--- a/ceilometer/storage/sqlalchemy/models.py
+++ b/ceilometer/storage/sqlalchemy/models.py
@@ -19,6 +19,7 @@ SQLAlchemy models for Ceilometer data.
 
 import json
 
+from oslo.utils import timeutils
 import six
 from sqlalchemy import (Column, Integer, String, ForeignKey, Index,
                         UniqueConstraint, BigInteger, join)
@@ -30,7 +31,6 @@ from sqlalchemy.orm import column_property
 from sqlalchemy.orm import relationship
 from sqlalchemy.types import TypeDecorator
 
-from ceilometer.openstack.common import timeutils
 from ceilometer.storage import models as api_models
 from ceilometer import utils
 
diff --git a/ceilometer/tests/alarm/evaluator/test_base.py b/ceilometer/tests/alarm/evaluator/test_base.py
index 6349979815..0f4239c1b6 100644
--- a/ceilometer/tests/alarm/evaluator/test_base.py
+++ b/ceilometer/tests/alarm/evaluator/test_base.py
@@ -17,11 +17,12 @@
 """class for tests in ceilometer/alarm/evaluator/__init__.py
 """
 import datetime
+
 import mock
+from oslo.utils import timeutils
 from oslotest import base
 
 from ceilometer.alarm import evaluator
-from ceilometer.openstack.common import timeutils
 
 
 class TestEvaluatorBaseClass(base.BaseTestCase):
diff --git a/ceilometer/tests/alarm/evaluator/test_combination.py b/ceilometer/tests/alarm/evaluator/test_combination.py
index 504caa0382..c59ba3a163 100644
--- a/ceilometer/tests/alarm/evaluator/test_combination.py
+++ b/ceilometer/tests/alarm/evaluator/test_combination.py
@@ -21,9 +21,10 @@ import mock
 import pytz
 import uuid
 
+from oslo.utils import timeutils
+
 from ceilometer.alarm.evaluator import combination
 from ceilometer.alarm.storage import models
-from ceilometer.openstack.common import timeutils
 from ceilometer.tests.alarm.evaluator import base
 from ceilometerclient import exc
 from ceilometerclient.v2 import alarms
diff --git a/ceilometer/tests/alarm/evaluator/test_threshold.py b/ceilometer/tests/alarm/evaluator/test_threshold.py
index 6a4ca19754..d02b7b551a 100644
--- a/ceilometer/tests/alarm/evaluator/test_threshold.py
+++ b/ceilometer/tests/alarm/evaluator/test_threshold.py
@@ -21,11 +21,11 @@ import mock
 import pytz
 import uuid
 
+from oslo.utils import timeutils
 from six import moves
 
 from ceilometer.alarm.evaluator import threshold
 from ceilometer.alarm.storage import models
-from ceilometer.openstack.common import timeutils
 from ceilometer.tests.alarm.evaluator import base
 from ceilometerclient import exc
 from ceilometerclient.v2 import statistics
diff --git a/ceilometer/tests/alarm/partition/test_coordination.py b/ceilometer/tests/alarm/partition/test_coordination.py
index 242855a7d7..c9dbcd74c1 100644
--- a/ceilometer/tests/alarm/partition/test_coordination.py
+++ b/ceilometer/tests/alarm/partition/test_coordination.py
@@ -22,11 +22,11 @@ import uuid
 
 import mock
 from oslo.config import fixture as fixture_config
+from oslo.utils import timeutils
 from six import moves
 
 from ceilometer.alarm.partition import coordination
 from ceilometer.alarm.storage import models
-from ceilometer.openstack.common import timeutils
 from ceilometer.tests import base as tests_base
 
 
diff --git a/ceilometer/tests/alarm/test_notifier.py b/ceilometer/tests/alarm/test_notifier.py
index e5f668470b..f4cbd0b8f0 100644
--- a/ceilometer/tests/alarm/test_notifier.py
+++ b/ceilometer/tests/alarm/test_notifier.py
@@ -211,7 +211,7 @@ class TestAlarmNotifier(tests_base.BaseTestCase):
         raise Exception("Evil urlsplit!")
 
     def test_notify_alarm_invalid_url(self):
-        with mock.patch('ceilometer.openstack.common.network_utils.urlsplit',
+        with mock.patch('oslo.utils.netutils.urlsplit',
                         self._fake_urlsplit):
             LOG = mock.MagicMock()
             with mock.patch('ceilometer.alarm.service.LOG', LOG):
diff --git a/ceilometer/tests/alarm/test_rpc.py b/ceilometer/tests/alarm/test_rpc.py
index 0e73000dee..1a54b02fb8 100644
--- a/ceilometer/tests/alarm/test_rpc.py
+++ b/ceilometer/tests/alarm/test_rpc.py
@@ -20,12 +20,12 @@ import uuid
 from ceilometerclient.v2 import alarms
 import eventlet
 from oslo.config import fixture as fixture_config
+from oslo.utils import timeutils
 import six
 
 from ceilometer.alarm import rpc as rpc_alarm
 from ceilometer.alarm.storage import models
 from ceilometer import messaging
-from ceilometer.openstack.common import timeutils
 from ceilometer.tests import base as tests_base
 
 
diff --git a/ceilometer/tests/api/v2/test_acl_scenarios.py b/ceilometer/tests/api/v2/test_acl_scenarios.py
index 3b95ef260f..feb3071975 100644
--- a/ceilometer/tests/api/v2/test_acl_scenarios.py
+++ b/ceilometer/tests/api/v2/test_acl_scenarios.py
@@ -19,11 +19,11 @@
 import datetime
 import json
 
+from oslo.utils import timeutils
 import webtest
 
 from ceilometer.api import app
 from ceilometer.api.controllers import v2 as v2_api
-from ceilometer.openstack.common import timeutils
 from ceilometer.publisher import utils
 from ceilometer import sample
 from ceilometer.tests import api as acl
diff --git a/ceilometer/tests/api/v2/test_complex_query_scenarios.py b/ceilometer/tests/api/v2/test_complex_query_scenarios.py
index 70c346e12b..0040d173bf 100644
--- a/ceilometer/tests/api/v2/test_complex_query_scenarios.py
+++ b/ceilometer/tests/api/v2/test_complex_query_scenarios.py
@@ -20,8 +20,9 @@
 
 import datetime
 
+from oslo.utils import timeutils
+
 from ceilometer.alarm.storage import models
-from ceilometer.openstack.common import timeutils
 from ceilometer.publisher import utils
 from ceilometer import sample
 from ceilometer.tests.api import v2 as tests_api
diff --git a/ceilometer/tests/api/v2/test_compute_duration_by_resource_scenarios.py b/ceilometer/tests/api/v2/test_compute_duration_by_resource_scenarios.py
index dce587c3b5..e962f7ff11 100644
--- a/ceilometer/tests/api/v2/test_compute_duration_by_resource_scenarios.py
+++ b/ceilometer/tests/api/v2/test_compute_duration_by_resource_scenarios.py
@@ -20,8 +20,8 @@
 import datetime
 
 import mock
+from oslo.utils import timeutils
 
-from ceilometer.openstack.common import timeutils
 from ceilometer.storage import models
 from ceilometer.tests.api import v2
 from ceilometer.tests import db as tests_db
diff --git a/ceilometer/tests/api/v2/test_event_scenarios.py b/ceilometer/tests/api/v2/test_event_scenarios.py
index 0e8c50c9bb..a07e2dd029 100644
--- a/ceilometer/tests/api/v2/test_event_scenarios.py
+++ b/ceilometer/tests/api/v2/test_event_scenarios.py
@@ -16,7 +16,8 @@
 
 import datetime
 
-from ceilometer.openstack.common import timeutils
+from oslo.utils import timeutils
+
 from ceilometer.storage import models
 from ceilometer.tests.api import v2
 from ceilometer.tests import db as tests_db
diff --git a/ceilometer/tests/api/v2/test_list_events_scenarios.py b/ceilometer/tests/api/v2/test_list_events_scenarios.py
index da1c05a044..6a6e60ab5b 100644
--- a/ceilometer/tests/api/v2/test_list_events_scenarios.py
+++ b/ceilometer/tests/api/v2/test_list_events_scenarios.py
@@ -20,10 +20,10 @@
 import datetime
 
 import mock
+from oslo.utils import timeutils
 import six
 import webtest.app
 
-from ceilometer.openstack.common import timeutils
 from ceilometer.publisher import utils
 from ceilometer import sample
 from ceilometer.tests.api import v2
diff --git a/ceilometer/tests/api/v2/test_list_resources_scenarios.py b/ceilometer/tests/api/v2/test_list_resources_scenarios.py
index 2a43135e61..6789d0b695 100644
--- a/ceilometer/tests/api/v2/test_list_resources_scenarios.py
+++ b/ceilometer/tests/api/v2/test_list_resources_scenarios.py
@@ -20,9 +20,9 @@
 import datetime
 import json
 
+from oslo.utils import timeutils
 import six
 
-from ceilometer.openstack.common import timeutils
 from ceilometer.publisher import utils
 from ceilometer import sample
 from ceilometer.tests.api import v2
diff --git a/ceilometer/tests/api/v2/test_post_samples_scenarios.py b/ceilometer/tests/api/v2/test_post_samples_scenarios.py
index 05be04208a..1f3ceab713 100644
--- a/ceilometer/tests/api/v2/test_post_samples_scenarios.py
+++ b/ceilometer/tests/api/v2/test_post_samples_scenarios.py
@@ -21,9 +21,9 @@ import copy
 import datetime
 
 import mock
+from oslo.utils import timeutils
 from oslotest import mockpatch
 
-from ceilometer.openstack.common import timeutils
 from ceilometer.tests.api import v2
 from ceilometer.tests import db as tests_db
 
diff --git a/ceilometer/tests/api/v2/test_query.py b/ceilometer/tests/api/v2/test_query.py
index 6d428e8f1c..c23f5d3848 100644
--- a/ceilometer/tests/api/v2/test_query.py
+++ b/ceilometer/tests/api/v2/test_query.py
@@ -18,12 +18,12 @@ import datetime
 
 import fixtures
 import mock
+from oslo.utils import timeutils
 from oslotest import base
 from oslotest import mockpatch
 import wsme
 
 from ceilometer.api.controllers import v2 as api
-from ceilometer.openstack.common import timeutils
 from ceilometer import storage
 from ceilometer.tests import base as tests_base
 
diff --git a/ceilometer/tests/base.py b/ceilometer/tests/base.py
index 9fe7f3d392..a43d856692 100644
--- a/ceilometer/tests/base.py
+++ b/ceilometer/tests/base.py
@@ -22,13 +22,13 @@ import os.path
 
 import eventlet
 import oslo.messaging.conffixture
+from oslo.utils import timeutils
 from oslotest import base
 from oslotest import mockpatch
 import six
 from testtools import testcase
 
 from ceilometer import messaging
-from ceilometer.openstack.common import timeutils
 
 
 class BaseTestCase(base.BaseTestCase):
diff --git a/ceilometer/tests/compute/virt/hyperv/test_inspector.py b/ceilometer/tests/compute/virt/hyperv/test_inspector.py
index 6402cd59a9..0f2424c668 100644
--- a/ceilometer/tests/compute/virt/hyperv/test_inspector.py
+++ b/ceilometer/tests/compute/virt/hyperv/test_inspector.py
@@ -18,10 +18,10 @@ Tests for Hyper-V inspector.
 """
 
 import mock
+from oslo.utils import units
 from oslotest import base
 
 from ceilometer.compute.virt.hyperv import inspector as hyperv_inspector
-from ceilometer.openstack.common import units
 
 
 class TestHyperVInspection(base.BaseTestCase):
diff --git a/ceilometer/tests/event/test_converter.py b/ceilometer/tests/event/test_converter.py
index 30cdf9611e..22504445c9 100644
--- a/ceilometer/tests/event/test_converter.py
+++ b/ceilometer/tests/event/test_converter.py
@@ -546,7 +546,7 @@ class TestEventDefinition(ConverterBase):
         edef = converter.EventDefinition(cfg, self.fake_plugin_mgr)
         self.assertTrue(edef.is_catchall)
 
-    @mock.patch('ceilometer.openstack.common.timeutils.utcnow')
+    @mock.patch('oslo.utils.timeutils.utcnow')
     def test_extract_when(self, mock_utcnow):
         now = datetime.datetime.utcnow()
         modified = now + datetime.timedelta(minutes=1)
@@ -623,7 +623,7 @@ class TestNotificationConverter(ConverterBase):
             host='cydonia')
         self.fake_plugin_mgr = {}
 
-    @mock.patch('ceilometer.openstack.common.timeutils.utcnow')
+    @mock.patch('oslo.utils.timeutils.utcnow')
     def test_converter_missing_keys(self, mock_utcnow):
         # test a malformed notification
         now = datetime.datetime.utcnow()
diff --git a/ceilometer/tests/hardware/inspector/test_inspector.py b/ceilometer/tests/hardware/inspector/test_inspector.py
index b4bf20f110..75c0debaa8 100644
--- a/ceilometer/tests/hardware/inspector/test_inspector.py
+++ b/ceilometer/tests/hardware/inspector/test_inspector.py
@@ -14,20 +14,20 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 # License for the specific language governing permissions and limitations
 # under the License.
+from oslo.utils import netutils
 
 from ceilometer.hardware import inspector
-from ceilometer.openstack.common import network_utils
 from ceilometer.tests import base
 
 
 class TestHardwareInspector(base.BaseTestCase):
     def test_get_inspector(self):
-        url = network_utils.urlsplit("snmp://")
+        url = netutils.urlsplit("snmp://")
         driver = inspector.get_inspector(url)
         self.assertTrue(driver)
 
     def test_get_inspector_illegal(self):
-        url = network_utils.urlsplit("illegal://")
+        url = netutils.urlsplit("illegal://")
         self.assertRaises(RuntimeError,
                           inspector.get_inspector,
                           url)
diff --git a/ceilometer/tests/hardware/inspector/test_snmp.py b/ceilometer/tests/hardware/inspector/test_snmp.py
index 1d2b052e1a..617d74f171 100644
--- a/ceilometer/tests/hardware/inspector/test_snmp.py
+++ b/ceilometer/tests/hardware/inspector/test_snmp.py
@@ -16,10 +16,10 @@
 # under the License.
 """Tests for ceilometer/hardware/inspector/snmp/inspector.py
 """
+from oslo.utils import netutils
 from oslotest import mockpatch
 
 from ceilometer.hardware.inspector import snmp
-from ceilometer.openstack.common import network_utils
 from ceilometer.tests import base as test_base
 from ceilometer.tests.hardware.inspector import base
 
@@ -250,7 +250,7 @@ class TestSNMPInspector(Base, test_base.BaseTestCase):
     def setUp(self):
         super(TestSNMPInspector, self).setUp()
         self.inspector = snmp.SNMPInspector()
-        self.host = network_utils.urlsplit("snmp://localhost")
+        self.host = netutils.urlsplit("snmp://localhost")
         self.inspector.MAPPING = self.mapping
         self.useFixture(mockpatch.PatchObject(
             self.inspector._cmdGen, 'getCmd', new=faux_getCmd))
diff --git a/ceilometer/tests/network/statistics/test_statistics.py b/ceilometer/tests/network/statistics/test_statistics.py
index fd55d33658..3493a8756a 100644
--- a/ceilometer/tests/network/statistics/test_statistics.py
+++ b/ceilometer/tests/network/statistics/test_statistics.py
@@ -15,11 +15,11 @@
 
 import datetime
 
+from oslo.utils import timeutils
 from oslotest import base
 
 from ceilometer.network import statistics
 from ceilometer.network.statistics import driver
-from ceilometer.openstack.common import timeutils
 from ceilometer import sample
 
 
diff --git a/ceilometer/tests/pipeline_base.py b/ceilometer/tests/pipeline_base.py
index 16acfa12d2..aa72c432b7 100644
--- a/ceilometer/tests/pipeline_base.py
+++ b/ceilometer/tests/pipeline_base.py
@@ -22,12 +22,12 @@ import datetime
 import traceback
 
 import mock
+from oslo.utils import timeutils
 from oslotest import base
 from oslotest import mockpatch
 import six
 from stevedore import extension
 
-from ceilometer.openstack.common import timeutils
 from ceilometer import pipeline
 from ceilometer import publisher
 from ceilometer.publisher import test as test_publisher
diff --git a/ceilometer/tests/publisher/test_file.py b/ceilometer/tests/publisher/test_file.py
index 19c6ea72d1..b924d20cf2 100644
--- a/ceilometer/tests/publisher/test_file.py
+++ b/ceilometer/tests/publisher/test_file.py
@@ -1,5 +1,5 @@
 #
-# Copyright 2013 eNovance
+# Copyright 2013-2014 eNovance
 #
 # Author: Julien Danjou <julien@danjou.info>
 #
@@ -22,9 +22,9 @@ import logging.handlers
 import os
 import tempfile
 
+from oslo.utils import netutils
 from oslotest import base
 
-from ceilometer.openstack.common import network_utils as utils
 from ceilometer.publisher import file
 from ceilometer import sample
 
@@ -71,8 +71,8 @@ class TestFilePublisher(base.BaseTestCase):
         # Test valid configurations
         tempdir = tempfile.mkdtemp()
         name = '%s/log_file' % tempdir
-        parsed_url = utils.urlsplit('file://%s?max_bytes=50&backup_count=3'
-                                    % name)
+        parsed_url = netutils.urlsplit('file://%s?max_bytes=50&backup_count=3'
+                                       % name)
         publisher = file.FilePublisher(parsed_url)
         publisher.publish_samples(None,
                                   self.test_data)
@@ -90,7 +90,7 @@ class TestFilePublisher(base.BaseTestCase):
         # Test missing max bytes, backup count configurations
         tempdir = tempfile.mkdtemp()
         name = '%s/log_file_plain' % tempdir
-        parsed_url = utils.urlsplit('file://%s' % name)
+        parsed_url = netutils.urlsplit('file://%s' % name)
         publisher = file.FilePublisher(parsed_url)
         publisher.publish_samples(None,
                                   self.test_data)
@@ -112,7 +112,7 @@ class TestFilePublisher(base.BaseTestCase):
     def test_file_publisher_invalid(self):
         # Test invalid max bytes, backup count configurations
         tempdir = tempfile.mkdtemp()
-        parsed_url = utils.urlsplit(
+        parsed_url = netutils.urlsplit(
             'file://%s/log_file_bad'
             '?max_bytes=yus&backup_count=5y' % tempdir)
         publisher = file.FilePublisher(parsed_url)
diff --git a/ceilometer/tests/publisher/test_rpc_publisher.py b/ceilometer/tests/publisher/test_rpc_publisher.py
index 6a2b55cfaf..427be665ca 100644
--- a/ceilometer/tests/publisher/test_rpc_publisher.py
+++ b/ceilometer/tests/publisher/test_rpc_publisher.py
@@ -24,10 +24,10 @@ import mock
 from oslo.config import fixture as fixture_config
 import oslo.messaging
 import oslo.messaging._drivers.common
+from oslo.utils import netutils
 
 from ceilometer import messaging
 from ceilometer.openstack.common import context
-from ceilometer.openstack.common import network_utils
 from ceilometer.publisher import rpc
 from ceilometer import sample
 from ceilometer.tests import base as tests_base
@@ -100,7 +100,7 @@ class TestPublish(tests_base.BaseTestCase):
 
     def test_published_no_mock(self):
         publisher = rpc.RPCPublisher(
-            network_utils.urlsplit('rpc://'))
+            netutils.urlsplit('rpc://'))
 
         endpoint = mock.MagicMock(['record_metering_data'])
         collector = messaging.get_rpc_server(
@@ -127,7 +127,7 @@ class TestPublish(tests_base.BaseTestCase):
 
     def test_publish_target(self):
         publisher = rpc.RPCPublisher(
-            network_utils.urlsplit('rpc://?target=custom_procedure_call'))
+            netutils.urlsplit('rpc://?target=custom_procedure_call'))
         cast_context = mock.MagicMock()
         with mock.patch.object(publisher.rpc_client, 'prepare') as prepare:
             prepare.return_value = cast_context
@@ -141,7 +141,7 @@ class TestPublish(tests_base.BaseTestCase):
 
     def test_published_with_per_meter_topic(self):
         publisher = rpc.RPCPublisher(
-            network_utils.urlsplit('rpc://?per_meter_topic=1'))
+            netutils.urlsplit('rpc://?per_meter_topic=1'))
         with mock.patch.object(publisher.rpc_client, 'prepare') as prepare:
             publisher.publish_samples(mock.MagicMock(),
                                       self.test_data)
@@ -169,7 +169,7 @@ class TestPublish(tests_base.BaseTestCase):
     def test_published_concurrency(self):
         """Test concurrent access to the local queue of the rpc publisher."""
 
-        publisher = rpc.RPCPublisher(network_utils.urlsplit('rpc://'))
+        publisher = rpc.RPCPublisher(netutils.urlsplit('rpc://'))
         cast_context = mock.MagicMock()
 
         with mock.patch.object(publisher.rpc_client, 'prepare') as prepare:
@@ -199,7 +199,7 @@ class TestPublish(tests_base.BaseTestCase):
     @mock.patch('ceilometer.publisher.rpc.LOG')
     def test_published_with_no_policy(self, mylog):
         publisher = rpc.RPCPublisher(
-            network_utils.urlsplit('rpc://'))
+            netutils.urlsplit('rpc://'))
         side_effect = oslo.messaging._drivers.common.RPCException()
         with mock.patch.object(publisher.rpc_client, 'prepare') as prepare:
             prepare.side_effect = side_effect
@@ -217,7 +217,7 @@ class TestPublish(tests_base.BaseTestCase):
     @mock.patch('ceilometer.publisher.rpc.LOG')
     def test_published_with_policy_block(self, mylog):
         publisher = rpc.RPCPublisher(
-            network_utils.urlsplit('rpc://?policy=default'))
+            netutils.urlsplit('rpc://?policy=default'))
         side_effect = oslo.messaging._drivers.common.RPCException()
         with mock.patch.object(publisher.rpc_client, 'prepare') as prepare:
             prepare.side_effect = side_effect
@@ -233,7 +233,7 @@ class TestPublish(tests_base.BaseTestCase):
     @mock.patch('ceilometer.publisher.rpc.LOG')
     def test_published_with_policy_incorrect(self, mylog):
         publisher = rpc.RPCPublisher(
-            network_utils.urlsplit('rpc://?policy=notexist'))
+            netutils.urlsplit('rpc://?policy=notexist'))
         side_effect = oslo.messaging._drivers.common.RPCException()
         with mock.patch.object(publisher.rpc_client, 'prepare') as prepare:
             prepare.side_effect = side_effect
@@ -249,7 +249,7 @@ class TestPublish(tests_base.BaseTestCase):
 
     def test_published_with_policy_drop_and_rpc_down(self):
         publisher = rpc.RPCPublisher(
-            network_utils.urlsplit('rpc://?policy=drop'))
+            netutils.urlsplit('rpc://?policy=drop'))
         side_effect = oslo.messaging._drivers.common.RPCException()
         with mock.patch.object(publisher.rpc_client, 'prepare') as prepare:
             prepare.side_effect = side_effect
@@ -261,7 +261,7 @@ class TestPublish(tests_base.BaseTestCase):
 
     def test_published_with_policy_queue_and_rpc_down(self):
         publisher = rpc.RPCPublisher(
-            network_utils.urlsplit('rpc://?policy=queue'))
+            netutils.urlsplit('rpc://?policy=queue'))
         side_effect = oslo.messaging._drivers.common.RPCException()
         with mock.patch.object(publisher.rpc_client, 'prepare') as prepare:
             prepare.side_effect = side_effect
@@ -275,7 +275,7 @@ class TestPublish(tests_base.BaseTestCase):
     def test_published_with_policy_queue_and_rpc_down_up(self):
         self.rpc_unreachable = True
         publisher = rpc.RPCPublisher(
-            network_utils.urlsplit('rpc://?policy=queue'))
+            netutils.urlsplit('rpc://?policy=queue'))
 
         side_effect = oslo.messaging._drivers.common.RPCException()
         with mock.patch.object(publisher.rpc_client, 'prepare') as prepare:
@@ -299,7 +299,7 @@ class TestPublish(tests_base.BaseTestCase):
 
     def test_published_with_policy_sized_queue_and_rpc_down(self):
         publisher = rpc.RPCPublisher(
-            network_utils.urlsplit('rpc://?policy=queue&max_queue_length=3'))
+            netutils.urlsplit('rpc://?policy=queue&max_queue_length=3'))
 
         side_effect = oslo.messaging._drivers.common.RPCException()
         with mock.patch.object(publisher.rpc_client, 'prepare') as prepare:
@@ -326,7 +326,7 @@ class TestPublish(tests_base.BaseTestCase):
 
     def test_published_with_policy_default_sized_queue_and_rpc_down(self):
         publisher = rpc.RPCPublisher(
-            network_utils.urlsplit('rpc://?policy=queue'))
+            netutils.urlsplit('rpc://?policy=queue'))
 
         side_effect = oslo.messaging._drivers.common.RPCException()
         with mock.patch.object(publisher.rpc_client, 'prepare') as prepare:
diff --git a/ceilometer/tests/publisher/test_udp.py b/ceilometer/tests/publisher/test_udp.py
index 751b517d98..bc3b297f39 100644
--- a/ceilometer/tests/publisher/test_udp.py
+++ b/ceilometer/tests/publisher/test_udp.py
@@ -1,5 +1,5 @@
 #
-# Copyright 2013 eNovance
+# Copyright 2013-2014 eNovance
 #
 # Author: Julien Danjou <julien@danjou.info>
 #
@@ -22,9 +22,9 @@ import datetime
 import mock
 import msgpack
 from oslo.config import fixture as fixture_config
+from oslo.utils import netutils
 from oslotest import base
 
-from ceilometer.openstack.common import network_utils
 from ceilometer.publisher import udp
 from ceilometer.publisher import utils
 from ceilometer import sample
@@ -118,7 +118,7 @@ class TestUDPPublisher(base.BaseTestCase):
         with mock.patch('socket.socket',
                         self._make_fake_socket(self.data_sent)):
             publisher = udp.UDPPublisher(
-                network_utils.urlsplit('udp://somehost'))
+                netutils.urlsplit('udp://somehost'))
         publisher.publish_samples(None,
                                   self.test_data)
 
@@ -152,6 +152,6 @@ class TestUDPPublisher(base.BaseTestCase):
         with mock.patch('socket.socket',
                         self._make_broken_socket):
             publisher = udp.UDPPublisher(
-                network_utils.urlsplit('udp://localhost'))
+                netutils.urlsplit('udp://localhost'))
         publisher.publish_samples(None,
                                   self.test_data)
diff --git a/ceilometer/tests/storage/test_impl_sqlalchemy.py b/ceilometer/tests/storage/test_impl_sqlalchemy.py
index 7d5ba93142..b58fd22c94 100644
--- a/ceilometer/tests/storage/test_impl_sqlalchemy.py
+++ b/ceilometer/tests/storage/test_impl_sqlalchemy.py
@@ -26,9 +26,9 @@ import datetime
 import repr
 
 import mock
+from oslo.utils import timeutils
 
 from ceilometer.alarm.storage import impl_sqlalchemy as impl_sqla_alarm
-from ceilometer.openstack.common import timeutils
 from ceilometer.storage import impl_sqlalchemy
 from ceilometer.storage import models
 from ceilometer.storage.sqlalchemy import models as sql_models
diff --git a/ceilometer/tests/storage/test_storage_scenarios.py b/ceilometer/tests/storage/test_storage_scenarios.py
index 2a929ec103..af014bf054 100644
--- a/ceilometer/tests/storage/test_storage_scenarios.py
+++ b/ceilometer/tests/storage/test_storage_scenarios.py
@@ -23,9 +23,9 @@ import datetime
 import operator
 
 import mock
+from oslo.utils import timeutils
 
 from ceilometer.alarm.storage import models as alarm_models
-from ceilometer.openstack.common import timeutils
 from ceilometer.publisher import utils
 from ceilometer import sample
 from ceilometer import storage
diff --git a/ceilometer/tests/test_collector.py b/ceilometer/tests/test_collector.py
index 64a32ba99c..ea4d067a03 100644
--- a/ceilometer/tests/test_collector.py
+++ b/ceilometer/tests/test_collector.py
@@ -21,6 +21,7 @@ import mock
 import msgpack
 from oslo.config import fixture as fixture_config
 import oslo.messaging
+from oslo.utils import timeutils
 from oslotest import mockpatch
 from stevedore import extension
 
@@ -28,7 +29,6 @@ from ceilometer import collector
 from ceilometer import dispatcher
 from ceilometer import messaging
 from ceilometer.openstack.common import context
-from ceilometer.openstack.common import timeutils
 from ceilometer.publisher import utils
 from ceilometer import sample
 from ceilometer.tests import base as tests_base
diff --git a/ceilometer/tests/test_notification.py b/ceilometer/tests/test_notification.py
index 6d4ed2a9b7..c105d9a0ce 100644
--- a/ceilometer/tests/test_notification.py
+++ b/ceilometer/tests/test_notification.py
@@ -21,6 +21,7 @@ import mock
 from oslo.config import fixture as fixture_config
 import oslo.messaging
 import oslo.messaging.conffixture
+from oslo.utils import timeutils
 from stevedore import extension
 import yaml
 
@@ -29,7 +30,6 @@ from ceilometer import messaging
 from ceilometer import notification
 from ceilometer.openstack.common import context
 from ceilometer.openstack.common import fileutils
-from ceilometer.openstack.common import timeutils
 from ceilometer.publisher import test as test_publisher
 from ceilometer.tests import base as tests_base
 
diff --git a/ceilometer/transformer/conversions.py b/ceilometer/transformer/conversions.py
index 0d4c185df4..ec9946772c 100644
--- a/ceilometer/transformer/conversions.py
+++ b/ceilometer/transformer/conversions.py
@@ -18,11 +18,11 @@
 import collections
 import re
 
+from oslo.utils import timeutils
 import six
 
 from ceilometer.openstack.common.gettextutils import _
 from ceilometer.openstack.common import log
-from ceilometer.openstack.common import timeutils
 from ceilometer import sample
 from ceilometer import transformer
 
diff --git a/ceilometer/utils.py b/ceilometer/utils.py
index b26d99f5f6..674c8a2fbc 100644
--- a/ceilometer/utils.py
+++ b/ceilometer/utils.py
@@ -24,11 +24,10 @@ import datetime
 import decimal
 import multiprocessing
 
+from oslo.utils import timeutils
+from oslo.utils import units
 import six
 
-from ceilometer.openstack.common import timeutils
-from ceilometer.openstack.common import units
-
 
 def recursive_keypairs(d, separator=':'):
     """Generator that produces sequence of keypairs for nested dictionaries."""
diff --git a/nova_tests/test_notifier.py b/nova_tests/test_notifier.py
index ec16c23220..1e466f746a 100644
--- a/nova_tests/test_notifier.py
+++ b/nova_tests/test_notifier.py
@@ -22,8 +22,10 @@ import contextlib
 import datetime
 
 import mock
+from oslo.utils import importutils
 from oslotest import base
 from oslotest import moxstubout
+
 from stevedore import extension
 
 ## NOTE(dhellmann): These imports are not in the generally approved
@@ -40,7 +42,6 @@ from nova.objects import instance as nova_instance
 from nova import config
 from nova import context
 from nova import db
-from nova.openstack.common import importutils
 from nova.openstack.common import log as logging
 
 # This option is used in the nova_notifier module, so make
diff --git a/openstack-common.conf b/openstack-common.conf
index 4817472a4f..ff4442fa4c 100644
--- a/openstack-common.conf
+++ b/openstack-common.conf
@@ -6,9 +6,7 @@ module=context
 module=db
 module=db.sqlalchemy
 module=eventlet_backdoor
-module=excutils
 module=gettextutils
-module=importutils
 module=jsonutils
 module=local
 module=log
@@ -20,13 +18,9 @@ module=middleware.correlation_id
 module=middleware.debug
 module=middleware.request_id
 module=middleware.sizelimit
-module=network_utils
 module=policy
 module=service
-module=strutils
 module=threadgroup
-module=timeutils
-module=units
 
 # The base module to hold the copy of openstack.common
 base=ceilometer
diff --git a/requirements-py3.txt b/requirements-py3.txt
index 411560d844..0706d6fa17 100644
--- a/requirements-py3.txt
+++ b/requirements-py3.txt
@@ -16,6 +16,7 @@ pbr>=0.6,!=0.7,<1.0
 pecan>=0.5.0
 posix_ipc
 oslo.messaging>=1.3.0
+oslo.utils>=0.2.0
 pysnmp>=4.2.1,<5.0.0
 python-ceilometerclient>=1.0.6
 python-glanceclient>=0.13.1
diff --git a/requirements.txt b/requirements.txt
index 689c16c910..c4b0ebf7d3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,6 +19,7 @@ pbr>=0.6,!=0.7,<1.0
 pecan>=0.5.0
 posix_ipc
 oslo.messaging>=1.3.0
+oslo.utils>=0.2.0
 pysnmp>=4.2.1,<5.0.0
 python-ceilometerclient>=1.0.6
 python-glanceclient>=0.13.1
diff --git a/tools/make_test_data.py b/tools/make_test_data.py
index c1918cbacb..9f3b069ed0 100755
--- a/tools/make_test_data.py
+++ b/tools/make_test_data.py
@@ -34,11 +34,12 @@ import random
 import sys
 
 from oslo.config import cfg
+from oslo.utils import timeutils
 
 from ceilometer.publisher import utils
 from ceilometer import sample
 from ceilometer import storage
-from ceilometer.openstack.common import timeutils
+
 
 def make_test_data(conn, name, meter_type, unit, volume, random_min,
                    random_max, user_id, project_id, resource_id, start,