diff --git a/glanceclient/common/http.py b/glanceclient/common/http.py
index 67fde15..f163dac 100644
--- a/glanceclient/common/http.py
+++ b/glanceclient/common/http.py
@@ -36,11 +36,12 @@ if not hasattr(parse, 'parse_qsl'):
     import cgi
     parse.parse_qsl = cgi.parse_qsl
 
+from oslo.utils import encodeutils
+
 from glanceclient.common import https
 from glanceclient.common.utils import safe_header
 from glanceclient import exc
 from glanceclient.openstack.common import importutils
-from glanceclient.openstack.common import strutils
 
 osprofiler_web = importutils.try_import("osprofiler.web")
 
@@ -117,7 +118,7 @@ class HTTPClient(object):
 
         curl.append(url)
 
-        msg = ' '.join([strutils.safe_encode(item, errors='ignore')
+        msg = ' '.join([encodeutils.safe_decode(item, errors='ignore')
                         for item in curl])
         LOG.debug(msg)
 
@@ -129,9 +130,9 @@ class HTTPClient(object):
         dump.extend(['%s: %s' % safe_header(k, v) for k, v in headers])
         dump.append('')
         if body:
-            body = strutils.safe_decode(body)
+            body = encodeutils.safe_decode(body)
             dump.extend([body, ''])
-        LOG.debug('\n'.join([strutils.safe_encode(x, errors='ignore')
+        LOG.debug('\n'.join([encodeutils.safe_decode(x, errors='ignore')
                              for x in dump]))
 
     @staticmethod
@@ -145,7 +146,7 @@ class HTTPClient(object):
         :returns: Dictionary with encoded headers'
                   names and values
         """
-        return dict((strutils.safe_encode(h), strutils.safe_encode(v))
+        return dict((encodeutils.safe_encode(h), encodeutils.safe_encode(v))
                     for h, v in six.iteritems(headers))
 
     def _request(self, method, url, **kwargs):
diff --git a/glanceclient/common/https.py b/glanceclient/common/https.py
index 6baa6af..186b3ac 100644
--- a/glanceclient/common/https.py
+++ b/glanceclient/common/https.py
@@ -14,6 +14,7 @@
 #    under the License.
 
 import socket
+import ssl
 import struct
 
 import OpenSSL
@@ -25,8 +26,8 @@ except ImportError:
     from urllib3 import connectionpool
     from urllib3 import poolmanager
 
+from oslo.utils import encodeutils
 import six
-import ssl
 
 from glanceclient.common import utils
 
@@ -50,7 +51,6 @@ except ImportError:
 
 
 from glanceclient import exc
-from glanceclient.openstack.common import strutils
 
 
 def to_bytes(s):
@@ -81,7 +81,7 @@ class HTTPSAdapter(adapters.HTTPAdapter):
         # NOTE(flaper87): Make sure the url is encoded, otherwise
         # python's standard httplib will fail with a TypeError.
         url = super(HTTPSAdapter, self).request_url(request, proxies)
-        return strutils.safe_encode(url)
+        return encodeutils.safe_encode(url)
 
     def cert_verify(self, conn, url, verify, cert):
         super(HTTPSAdapter, self).cert_verify(conn, url, verify, cert)
diff --git a/glanceclient/common/utils.py b/glanceclient/common/utils.py
index 61c526e..d99d4ae 100644
--- a/glanceclient/common/utils.py
+++ b/glanceclient/common/utils.py
@@ -31,11 +31,12 @@ if os.name == 'nt':
 else:
     msvcrt = None
 
+from oslo.utils import encodeutils
+from oslo.utils import strutils
 import prettytable
 
 from glanceclient import exc
 from glanceclient.openstack.common import importutils
-from glanceclient.openstack.common import strutils
 
 _memoized_property_lock = threading.Lock()
 
@@ -150,7 +151,7 @@ def print_list(objs, fields, formatters=None, field_settings=None):
                 row.append(data)
         pt.add_row(row)
 
-    print(strutils.safe_encode(pt.get_string()))
+    print(encodeutils.safe_decode(pt.get_string()))
 
 
 def print_dict(d, max_column_width=80):
@@ -161,7 +162,7 @@ def print_dict(d, max_column_width=80):
         if isinstance(v, (dict, list)):
             v = json.dumps(v)
         pt.add_row([k, v])
-    print(strutils.safe_encode(pt.get_string(sortby='Property')))
+    print(encodeutils.safe_decode(pt.get_string(sortby='Property')))
 
 
 def find_resource(manager, name_or_id):
@@ -175,7 +176,9 @@ def find_resource(manager, name_or_id):
 
     # now try to get entity as uuid
     try:
-        uuid.UUID(strutils.safe_encode(name_or_id))
+        # This must be unicode for Python 3 compatibility.
+        # If you pass a bytestring to uuid.UUID, you will get a TypeError
+        uuid.UUID(encodeutils.safe_decode(name_or_id))
         return manager.get(name_or_id)
     except (ValueError, exc.NotFound):
         pass
@@ -233,7 +236,7 @@ def import_versioned_module(version, submodule=None):
 
 def exit(msg=''):
     if msg:
-        print(strutils.safe_encode(msg), file=sys.stderr)
+        print(encodeutils.safe_decode(msg), file=sys.stderr)
     sys.exit(1)
 
 
@@ -291,7 +294,7 @@ def exception_to_str(exc):
         except UnicodeError:
             error = ("Caught '%(exception)s' exception." %
                      {"exception": exc.__class__.__name__})
-    return strutils.safe_encode(error, errors='ignore')
+    return encodeutils.safe_decode(error, errors='ignore')
 
 
 def get_file_size(file_obj):
diff --git a/glanceclient/openstack/common/strutils.py b/glanceclient/openstack/common/strutils.py
deleted file mode 100644
index b8c44a8..0000000
--- a/glanceclient/openstack/common/strutils.py
+++ /dev/null
@@ -1,245 +0,0 @@
-# Copyright 2011 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.
-
-"""
-System-level utilities and helper functions.
-"""
-
-import math
-import re
-import sys
-import unicodedata
-
-import six
-
-from glanceclient.openstack.common.gettextutils import _
-
-
-UNIT_PREFIX_EXPONENT = {
-    'k': 1,
-    'K': 1,
-    'Ki': 1,
-    'M': 2,
-    'Mi': 2,
-    'G': 3,
-    'Gi': 3,
-    'T': 4,
-    'Ti': 4,
-}
-UNIT_SYSTEM_INFO = {
-    'IEC': (1024, re.compile(r'(^[-+]?\d*\.?\d+)([KMGT]i?)?(b|bit|B)$')),
-    'SI': (1000, re.compile(r'(^[-+]?\d*\.?\d+)([kMGT])?(b|bit|B)$')),
-}
-
-TRUE_STRINGS = ('1', 't', 'true', 'on', 'y', 'yes')
-FALSE_STRINGS = ('0', 'f', 'false', 'off', 'n', 'no')
-
-SLUGIFY_STRIP_RE = re.compile(r"[^\w\s-]")
-SLUGIFY_HYPHENATE_RE = re.compile(r"[-\s]+")
-
-
-def int_from_bool_as_string(subject):
-    """Interpret a string as a boolean and return either 1 or 0.
-
-    Any string value in:
-
-        ('True', 'true', 'On', 'on', '1')
-
-    is interpreted as a boolean True.
-
-    Useful for JSON-decoded stuff and config file parsing
-    """
-    return bool_from_string(subject) and 1 or 0
-
-
-def bool_from_string(subject, strict=False, default=False):
-    """Interpret a string as a boolean.
-
-    A case-insensitive match is performed such that strings matching 't',
-    'true', 'on', 'y', 'yes', or '1' are considered True and, when
-    `strict=False`, anything else returns the value specified by 'default'.
-
-    Useful for JSON-decoded stuff and config file parsing.
-
-    If `strict=True`, unrecognized values, including None, will raise a
-    ValueError which is useful when parsing values passed in from an API call.
-    Strings yielding False are 'f', 'false', 'off', 'n', 'no', or '0'.
-    """
-    if not isinstance(subject, six.string_types):
-        subject = str(subject)
-
-    lowered = subject.strip().lower()
-
-    if lowered in TRUE_STRINGS:
-        return True
-    elif lowered in FALSE_STRINGS:
-        return False
-    elif strict:
-        acceptable = ', '.join(
-            "'%s'" % s for s in sorted(TRUE_STRINGS + FALSE_STRINGS))
-        msg = _("Unrecognized value '%(val)s', acceptable values are:"
-                " %(acceptable)s") % {'val': subject,
-                                      'acceptable': acceptable}
-        raise ValueError(msg)
-    else:
-        return default
-
-
-def safe_decode(text, incoming=None, errors='strict'):
-    """Decodes incoming text/bytes string using `incoming` if they're not
-       already unicode.
-
-    :param incoming: Text's current encoding
-    :param errors: Errors handling policy. See here for valid
-        values http://docs.python.org/2/library/codecs.html
-    :returns: text or a unicode `incoming` encoded
-                representation of it.
-    :raises TypeError: If text is not an instance of str
-    """
-    if not isinstance(text, (six.string_types, six.binary_type)):
-        raise TypeError("%s can't be decoded" % type(text))
-
-    if isinstance(text, six.text_type):
-        return text
-
-    if not incoming:
-        incoming = (sys.stdin.encoding or
-                    sys.getdefaultencoding())
-
-    try:
-        return text.decode(incoming, errors)
-    except UnicodeDecodeError:
-        # Note(flaper87) If we get here, it means that
-        # sys.stdin.encoding / sys.getdefaultencoding
-        # didn't return a suitable encoding to decode
-        # text. This happens mostly when global LANG
-        # var is not set correctly and there's no
-        # default encoding. In this case, most likely
-        # python will use ASCII or ANSI encoders as
-        # default encodings but they won't be capable
-        # of decoding non-ASCII characters.
-        #
-        # Also, UTF-8 is being used since it's an ASCII
-        # extension.
-        return text.decode('utf-8', errors)
-
-
-def safe_encode(text, incoming=None,
-                encoding='utf-8', errors='strict'):
-    """Encodes incoming text/bytes string using `encoding`.
-
-    If incoming is not specified, text is expected to be encoded with
-    current python's default encoding. (`sys.getdefaultencoding`)
-
-    :param incoming: Text's current encoding
-    :param encoding: Expected encoding for text (Default UTF-8)
-    :param errors: Errors handling policy. See here for valid
-        values http://docs.python.org/2/library/codecs.html
-    :returns: text or a bytestring `encoding` encoded
-                representation of it.
-    :raises TypeError: If text is not an instance of str
-    """
-    if not isinstance(text, (six.string_types, six.binary_type)):
-        raise TypeError("%s can't be encoded" % type(text))
-
-    if not incoming:
-        incoming = (sys.stdin.encoding or
-                    sys.getdefaultencoding())
-
-    if isinstance(text, six.text_type):
-        if six.PY3:
-            return text.encode(encoding, errors).decode(incoming)
-        else:
-            return text.encode(encoding, errors)
-    elif text and encoding != incoming:
-        # Decode text before encoding it with `encoding`
-        text = safe_decode(text, incoming, errors)
-        if six.PY3:
-            return text.encode(encoding, errors).decode(incoming)
-        else:
-            return text.encode(encoding, errors)
-
-    return text
-
-
-def string_to_bytes(text, unit_system='IEC', return_int=False):
-    """Converts a string into an float representation of bytes.
-
-    The units supported for IEC ::
-
-        Kb(it), Kib(it), Mb(it), Mib(it), Gb(it), Gib(it), Tb(it), Tib(it)
-        KB, KiB, MB, MiB, GB, GiB, TB, TiB
-
-    The units supported for SI ::
-
-        kb(it), Mb(it), Gb(it), Tb(it)
-        kB, MB, GB, TB
-
-    Note that the SI unit system does not support capital letter 'K'
-
-    :param text: String input for bytes size conversion.
-    :param unit_system: Unit system for byte size conversion.
-    :param return_int: If True, returns integer representation of text
-                       in bytes. (default: decimal)
-    :returns: Numerical representation of text in bytes.
-    :raises ValueError: If text has an invalid value.
-
-    """
-    try:
-        base, reg_ex = UNIT_SYSTEM_INFO[unit_system]
-    except KeyError:
-        msg = _('Invalid unit system: "%s"') % unit_system
-        raise ValueError(msg)
-    match = reg_ex.match(text)
-    if match:
-        magnitude = float(match.group(1))
-        unit_prefix = match.group(2)
-        if match.group(3) in ['b', 'bit']:
-            magnitude /= 8
-    else:
-        msg = _('Invalid string format: %s') % text
-        raise ValueError(msg)
-    if not unit_prefix:
-        res = magnitude
-    else:
-        res = magnitude * pow(base, UNIT_PREFIX_EXPONENT[unit_prefix])
-    if return_int:
-        return int(math.ceil(res))
-    return res
-
-
-def to_slug(value, incoming=None, errors="strict"):
-    """Normalize string.
-
-    Convert to lowercase, remove non-word characters, and convert spaces
-    to hyphens.
-
-    Inspired by Django's `slugify` filter.
-
-    :param value: Text to slugify
-    :param incoming: Text's current encoding
-    :param errors: Errors handling policy. See here for valid
-        values http://docs.python.org/2/library/codecs.html
-    :returns: slugified unicode representation of `value`
-    :raises TypeError: If text is not an instance of str
-    """
-    value = safe_decode(value, incoming, errors)
-    # NOTE(aababilov): no need to use safe_(encode|decode) here:
-    # encodings are always "ascii", error handling is always "ignore"
-    # and types are always known (first: unicode; second: str)
-    value = unicodedata.normalize("NFKD", value).encode(
-        "ascii", "ignore").decode("ascii")
-    value = SLUGIFY_STRIP_RE.sub("", value).strip().lower()
-    return SLUGIFY_HYPHENATE_RE.sub("-", value)
diff --git a/glanceclient/shell.py b/glanceclient/shell.py
index 4eb174e..bca2450 100644
--- a/glanceclient/shell.py
+++ b/glanceclient/shell.py
@@ -29,6 +29,7 @@ from os.path import expanduser
 import sys
 import traceback
 
+from oslo.utils import encodeutils
 import six.moves.urllib.parse as urlparse
 
 import glanceclient
@@ -36,7 +37,6 @@ from glanceclient.common import utils
 from glanceclient import exc
 from glanceclient.openstack.common.gettextutils import _
 from glanceclient.openstack.common import importutils
-from glanceclient.openstack.common import strutils
 
 from keystoneclient.auth.identity import v2 as v2_auth
 from keystoneclient.auth.identity import v3 as v3_auth
@@ -695,7 +695,7 @@ class HelpFormatter(argparse.HelpFormatter):
 
 def main():
     try:
-        OpenStackImagesShell().main(map(strutils.safe_decode, sys.argv[1:]))
+        OpenStackImagesShell().main(map(encodeutils.safe_decode, sys.argv[1:]))
     except KeyboardInterrupt:
         print('... terminating glance client', file=sys.stderr)
         sys.exit(1)
diff --git a/glanceclient/v1/images.py b/glanceclient/v1/images.py
index e3a6e69..857b546 100644
--- a/glanceclient/v1/images.py
+++ b/glanceclient/v1/images.py
@@ -15,12 +15,13 @@
 
 import copy
 
+from oslo.utils import encodeutils
+from oslo.utils import strutils
 import six
 import six.moves.urllib.parse as urlparse
 
 from glanceclient.common import utils
 from glanceclient.openstack.common.apiclient import base
-from glanceclient.openstack.common import strutils
 
 UPDATE_PARAMS = ('name', 'disk_format', 'container_format', 'min_disk',
                  'min_ram', 'owner', 'size', 'is_public', 'protected',
@@ -70,7 +71,7 @@ class ImageManager(base.ManagerWithFind):
 
     def _image_meta_from_headers(self, headers):
         meta = {'properties': {}}
-        safe_decode = strutils.safe_decode
+        safe_decode = encodeutils.safe_decode
         for key, value in six.iteritems(headers):
             value = safe_decode(value, incoming='utf-8')
             if key.startswith('x-image-meta-property-'):
@@ -191,7 +192,7 @@ class ImageManager(base.ManagerWithFind):
                     #
                     # Making sure all params are str before
                     # trying to encode them
-                    qp[param] = strutils.safe_encode(value)
+                    qp[param] = encodeutils.safe_decode(value)
 
             url = '/v1/images/detail?%s' % urlparse.urlencode(qp)
             images, resp = self._list(url, "images")
diff --git a/glanceclient/v1/shell.py b/glanceclient/v1/shell.py
index 5d5452e..7cd8081 100644
--- a/glanceclient/v1/shell.py
+++ b/glanceclient/v1/shell.py
@@ -20,10 +20,12 @@ import functools
 import six
 import sys
 
+from oslo.utils import encodeutils
+from oslo.utils import strutils
+
 from glanceclient.common import progressbar
 from glanceclient.common import utils
 from glanceclient import exc
-from glanceclient.openstack.common import strutils
 import glanceclient.v1.images
 
 CONTAINER_FORMATS = 'Acceptable formats: ami, ari, aki, bare, and ovf.'
@@ -327,7 +329,7 @@ def do_image_delete(gc, args):
         try:
             if args.verbose:
                 print('Requesting image delete for %s ...' %
-                      strutils.safe_encode(args_image), end=' ')
+                      encodeutils.safe_decode(args_image), end=' ')
 
             gc.images.delete(image)
 
diff --git a/glanceclient/v2/images.py b/glanceclient/v2/images.py
index b49c5ee..75115a4 100644
--- a/glanceclient/v2/images.py
+++ b/glanceclient/v2/images.py
@@ -14,13 +14,14 @@
 #    under the License.
 
 import json
+
+from oslo.utils import encodeutils
 import six
 from six.moves.urllib import parse
 import warlock
 
 from glanceclient.common import utils
 from glanceclient import exc
-from glanceclient.openstack.common import strutils
 from glanceclient.v2 import schemas
 
 DEFAULT_PAGE_SIZE = 20
@@ -83,11 +84,11 @@ class Controller(object):
 
         for tag in tags:
             if isinstance(tag, six.string_types):
-                tags_url_params.append({'tag': strutils.safe_encode(tag)})
+                tags_url_params.append({'tag': encodeutils.safe_encode(tag)})
 
         for param, value in six.iteritems(filters):
             if isinstance(value, six.string_types):
-                filters[param] = strutils.safe_encode(value)
+                filters[param] = encodeutils.safe_encode(value)
 
         url = '/v2/images?%s' % parse.urlencode(filters)
 
diff --git a/glanceclient/v2/metadefs.py b/glanceclient/v2/metadefs.py
index 8d9512b..56468fa 100644
--- a/glanceclient/v2/metadefs.py
+++ b/glanceclient/v2/metadefs.py
@@ -13,12 +13,12 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from oslo.utils import encodeutils
 import six
 from six.moves.urllib import parse
 import warlock
 
 from glanceclient.common import utils
-from glanceclient.openstack.common import strutils
 from glanceclient.v2 import schemas
 
 DEFAULT_PAGE_SIZE = 20
@@ -161,9 +161,9 @@ class NamespaceController(object):
 
         for param, value in six.iteritems(filters):
             if isinstance(value, list):
-                filters[param] = strutils.safe_encode(','.join(value))
+                filters[param] = encodeutils.safe_encode(','.join(value))
             elif isinstance(value, six.string_types):
-                filters[param] = strutils.safe_encode(value)
+                filters[param] = encodeutils.safe_encode(value)
 
         url = '/v2/metadefs/namespaces?%s' % parse.urlencode(filters)
 
diff --git a/glanceclient/v2/tasks.py b/glanceclient/v2/tasks.py
index 730e130..51217ea 100644
--- a/glanceclient/v2/tasks.py
+++ b/glanceclient/v2/tasks.py
@@ -14,12 +14,11 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from oslo.utils import encodeutils
 import six
-
 import warlock
 
 from glanceclient.common import utils
-from glanceclient.openstack.common import strutils
 from glanceclient.v2 import schemas
 
 DEFAULT_PAGE_SIZE = 20
@@ -84,7 +83,7 @@ class Controller(object):
 
         for param, value in filters.items():
             if isinstance(value, six.string_types):
-                filters[param] = strutils.safe_encode(value)
+                filters[param] = encodeutils.safe_encode(value)
 
         url = '/v2/tasks?%s' % six.moves.urllib.parse.urlencode(filters)
         for task in paginate(url):
diff --git a/openstack-common.conf b/openstack-common.conf
index b8c1da2..c77808b 100644
--- a/openstack-common.conf
+++ b/openstack-common.conf
@@ -4,7 +4,7 @@
 module=apiclient
 module=gettextutils
 module=importutils
-module=strutils
+module=uuidutils
 
 # The base module to hold the copy of openstack.common
 base=glanceclient
diff --git a/tests/test_http.py b/tests/test_http.py
index 985284e..7356ca4 100644
--- a/tests/test_http.py
+++ b/tests/test_http.py
@@ -97,11 +97,11 @@ class TestClient(testtools.TestCase):
         # when creating the http client, the session headers don't contain
         # the X-Auth-Token key.
         identity_headers = {
-            'X-User-Id': 'user',
-            'X-Tenant-Id': 'tenant',
-            'X-Roles': 'roles',
-            'X-Identity-Status': 'Confirmed',
-            'X-Service-Catalog': 'service_catalog',
+            b'X-User-Id': b'user',
+            b'X-Tenant-Id': b'tenant',
+            b'X-Roles': b'roles',
+            b'X-Identity-Status': b'Confirmed',
+            b'X-Service-Catalog': b'service_catalog',
         }
         kwargs = {'identity_headers': identity_headers}
         http_client = http.HTTPClient(self.endpoint, **kwargs)
@@ -165,10 +165,7 @@ class TestClient(testtools.TestCase):
         value = u'ni\xf1o'
         headers = {"test": value}
         encoded = self.client.encode_headers(headers)
-        if six.PY2:
-            self.assertEqual("ni\xc3\xb1o", encoded["test"])
-        else:
-            self.assertEqual(value, encoded["test"])
+        self.assertEqual(b"ni\xc3\xb1o", encoded[b"test"])
 
     def test_raw_request(self):
         " Verify the path being used for HTTP requests reflects accurately. "
diff --git a/tests/v2/test_images.py b/tests/v2/test_images.py
index ed6e75f..9cb6cec 100644
--- a/tests/v2/test_images.py
+++ b/tests/v2/test_images.py
@@ -15,7 +15,6 @@
 
 import errno
 
-import six
 import testtools
 
 from glanceclient import exc
@@ -488,10 +487,7 @@ class TestController(testtools.TestCase):
             #   /v2/images?owner=ni%C3%B1o&limit=20
             # We just want to make sure filters are correctly encoded.
             pass
-        if six.PY2:
-            self.assertEqual("ni\xc3\xb1o", filters["owner"])
-        else:
-            self.assertEqual("ni\xf1o", filters["owner"])
+        self.assertEqual(b"ni\xc3\xb1o", filters["owner"])
 
     def test_list_images_for_tag_single_image(self):
         img_id = '3a4560a1-e585-443e-9b39-553b46ec92d1'
diff --git a/tests/v2/test_tasks.py b/tests/v2/test_tasks.py
index 82ac763..a5491a3 100644
--- a/tests/v2/test_tasks.py
+++ b/tests/v2/test_tasks.py
@@ -14,7 +14,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import six
 import testtools
 
 from glanceclient.v2 import tasks
@@ -260,10 +259,7 @@ class TestController(testtools.TestCase):
             # We just want to make sure filters are correctly encoded.
             pass
 
-        if six.PY2:
-            self.assertEqual("ni\xc3\xb1o", filters["owner"])
-        else:
-            self.assertEqual("ni\xf1o", filters["owner"])
+        self.assertEqual(b"ni\xc3\xb1o", filters["owner"])
 
     def test_get_task(self):
         task = self.controller.get('3a4560a1-e585-443e-9b39-553b46ec92d1')