diff --git a/tempest/api/baremetal/admin/test_chassis.py b/tempest/api/baremetal/admin/test_chassis.py
index e9068f3..5ad05cc 100644
--- a/tempest/api/baremetal/admin/test_chassis.py
+++ b/tempest/api/baremetal/admin/test_chassis.py
@@ -11,6 +11,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import six
 from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
@@ -28,7 +29,7 @@
 
     def _assertExpected(self, expected, actual):
         # Check if not expected keys/values exists in actual response body
-        for key, value in expected.iteritems():
+        for key, value in six.iteritems(expected):
             if key not in ('created_at', 'updated_at'):
                 self.assertIn(key, actual)
                 self.assertEqual(value, actual[key])
diff --git a/tempest/api/baremetal/admin/test_ports.py b/tempest/api/baremetal/admin/test_ports.py
index ee6bb9c..ece4471 100644
--- a/tempest/api/baremetal/admin/test_ports.py
+++ b/tempest/api/baremetal/admin/test_ports.py
@@ -10,6 +10,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import six
 from tempest_lib.common.utils import data_utils
 from tempest_lib import decorators
 from tempest_lib import exceptions as lib_exc
@@ -31,7 +32,7 @@
 
     def _assertExpected(self, expected, actual):
         # Check if not expected keys/values exists in actual response body
-        for key, value in expected.iteritems():
+        for key, value in six.iteritems(expected):
             if key not in ('created_at', 'updated_at'):
                 self.assertIn(key, actual)
                 self.assertEqual(value, actual[key])
diff --git a/tempest/api/compute/servers/test_server_addresses.py b/tempest/api/compute/servers/test_server_addresses.py
index d0dfc87..a17f581 100644
--- a/tempest/api/compute/servers/test_server_addresses.py
+++ b/tempest/api/compute/servers/test_server_addresses.py
@@ -13,6 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import six
+
 from tempest.api.compute import base
 from tempest import test
 
@@ -48,7 +50,7 @@
         # We do not know the exact network configuration, but an instance
         # should at least have a single public or private address
         self.assertTrue(len(addresses) >= 1)
-        for network_name, network_addresses in addresses.iteritems():
+        for network_name, network_addresses in six.iteritems(addresses):
             self.assertTrue(len(network_addresses) >= 1)
             for address in network_addresses:
                 self.assertTrue(address['addr'])
diff --git a/tempest/api/network/admin/test_quotas.py b/tempest/api/network/admin/test_quotas.py
index 86fbc54..46d6651 100644
--- a/tempest/api/network/admin/test_quotas.py
+++ b/tempest/api/network/admin/test_quotas.py
@@ -13,6 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import six
 from tempest_lib.common.utils import data_utils
 
 from tempest.api.network import base
@@ -62,7 +63,7 @@
         quota_set = self.admin_client.update_quotas(tenant_id,
                                                     **new_quotas)
         self.addCleanup(self.admin_client.reset_quotas, tenant_id)
-        for key, value in new_quotas.iteritems():
+        for key, value in six.iteritems(new_quotas):
             self.assertEqual(value, quota_set[key])
 
         # Confirm our tenant is listed among tenants with non default quotas
@@ -76,7 +77,7 @@
         # Confirm from API quotas were changed as requested for tenant
         quota_set = self.admin_client.show_quotas(tenant_id)
         quota_set = quota_set['quota']
-        for key, value in new_quotas.iteritems():
+        for key, value in six.iteritems(new_quotas):
             self.assertEqual(value, quota_set[key])
 
         # Reset quotas to default and confirm
diff --git a/tempest/api/network/test_dhcp_ipv6.py b/tempest/api/network/test_dhcp_ipv6.py
index 8be0100..ca08fbd 100644
--- a/tempest/api/network/test_dhcp_ipv6.py
+++ b/tempest/api/network/test_dhcp_ipv6.py
@@ -16,6 +16,7 @@
 import netaddr
 import random
 
+import six
 from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
@@ -127,7 +128,7 @@
         ):
             kwargs = {'ipv6_ra_mode': ra_mode,
                       'ipv6_address_mode': add_mode}
-            kwargs = {k: v for k, v in kwargs.iteritems() if v}
+            kwargs = {k: v for k, v in six.iteritems(kwargs) if v}
             real_ip, eui_ip = self._get_ips_from_subnet(**kwargs)
             self._clean_network()
             self.assertEqual(eui_ip, real_ip,
@@ -284,7 +285,7 @@
         ):
             kwargs = {'ipv6_ra_mode': ra_mode,
                       'ipv6_address_mode': add_mode}
-            kwargs = {k: v for k, v in kwargs.iteritems() if v}
+            kwargs = {k: v for k, v in six.iteritems(kwargs) if v}
             subnet = self.create_subnet(self.network, **kwargs)
             port = self.create_port(self.network)
             port_ip = next(iter(port['fixed_ips']), None)['ip_address']
@@ -311,7 +312,7 @@
         ):
             kwargs = {'ipv6_ra_mode': ra_mode,
                       'ipv6_address_mode': add_mode}
-            kwargs = {k: v for k, v in kwargs.iteritems() if v}
+            kwargs = {k: v for k, v in six.iteritems(kwargs) if v}
             subnet = self.create_subnet(self.network, **kwargs)
             ip_range = netaddr.IPRange(subnet["allocation_pools"][0]["start"],
                                        subnet["allocation_pools"][0]["end"])
@@ -389,7 +390,7 @@
         ):
             kwargs = {'ipv6_ra_mode': ra_mode,
                       'ipv6_address_mode': add_mode}
-            kwargs = {k: v for k, v in kwargs.iteritems() if v}
+            kwargs = {k: v for k, v in six.iteritems(kwargs) if v}
             subnet, port = self._create_subnet_router(kwargs)
             port_ip = next(iter(port['fixed_ips']), None)['ip_address']
             self._clean_network()
diff --git a/tempest/api/network/test_fwaas_extensions.py b/tempest/api/network/test_fwaas_extensions.py
index d007fb0..0622e87 100644
--- a/tempest/api/network/test_fwaas_extensions.py
+++ b/tempest/api/network/test_fwaas_extensions.py
@@ -12,6 +12,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import six
 from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
@@ -145,7 +146,7 @@
     def test_show_firewall_rule(self):
         # show a created firewall rule
         fw_rule = self.client.show_firewall_rule(self.fw_rule['id'])
-        for key, value in fw_rule['firewall_rule'].iteritems():
+        for key, value in six.iteritems(fw_rule['firewall_rule']):
             self.assertEqual(self.fw_rule[key], value)
 
     @test.idempotent_id('1086dd93-a4c0-4bbb-a1bd-6d4bc62c199f')
@@ -187,7 +188,7 @@
         # show a created firewall policy
         fw_policy = self.client.show_firewall_policy(self.fw_policy['id'])
         fw_policy = fw_policy['firewall_policy']
-        for key, value in fw_policy.iteritems():
+        for key, value in six.iteritems(fw_policy):
             self.assertEqual(self.fw_policy[key], value)
 
     @test.idempotent_id('02082a03-3cdd-4789-986a-1327dd80bfb7')
@@ -216,7 +217,7 @@
         firewall = self.client.show_firewall(firewall_id)
         firewall = firewall['firewall']
 
-        for key, value in firewall.iteritems():
+        for key, value in six.iteritems(firewall):
             if key == 'status':
                 continue
             self.assertEqual(created_firewall[key], value)
diff --git a/tempest/api/network/test_load_balancer.py b/tempest/api/network/test_load_balancer.py
index ace9f61..38a6fe9 100644
--- a/tempest/api/network/test_load_balancer.py
+++ b/tempest/api/network/test_load_balancer.py
@@ -13,6 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import six
 from tempest_lib.common.utils import data_utils
 from tempest_lib import decorators
 
@@ -75,7 +76,7 @@
         body = create_obj(**kwargs)
         obj = body[obj_name]
         self.addCleanup(delete_obj, obj['id'])
-        for key, value in obj.iteritems():
+        for key, value in six.iteritems(obj):
             # It is not relevant to filter by all arguments. That is why
             # there is a list of attr to except
             if key not in attr_exceptions:
@@ -168,7 +169,7 @@
         # Verifies the details of a vip
         body = self.client.show_vip(self.vip['id'])
         vip = body['vip']
-        for key, value in vip.iteritems():
+        for key, value in six.iteritems(vip):
             # 'status' should not be confirmed in api tests
             if key != 'status':
                 self.assertEqual(self.vip[key], value)
@@ -185,7 +186,7 @@
         # Verifies the details of a pool
         body = self.client.show_pool(pool['id'])
         shown_pool = body['pool']
-        for key, value in pool.iteritems():
+        for key, value in six.iteritems(pool):
             # 'status' should not be confirmed in api tests
             if key != 'status':
                 self.assertEqual(value, shown_pool[key])
@@ -243,7 +244,7 @@
         # Verifies the details of a member
         body = self.client.show_member(self.member['id'])
         member = body['member']
-        for key, value in member.iteritems():
+        for key, value in six.iteritems(member):
             # 'status' should not be confirmed in api tests
             if key != 'status':
                 self.assertEqual(self.member[key], value)
@@ -316,7 +317,7 @@
         # Verifies the details of a health_monitor
         body = self.client.show_health_monitor(self.health_monitor['id'])
         health_monitor = body['health_monitor']
-        for key, value in health_monitor.iteritems():
+        for key, value in six.iteritems(health_monitor):
             # 'status' should not be confirmed in api tests
             if key != 'status':
                 self.assertEqual(self.health_monitor[key], value)
diff --git a/tempest/api/network/test_networks.py b/tempest/api/network/test_networks.py
index 97273a6..5e3e374 100644
--- a/tempest/api/network/test_networks.py
+++ b/tempest/api/network/test_networks.py
@@ -15,6 +15,7 @@
 import itertools
 
 import netaddr
+import six
 from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
@@ -162,7 +163,7 @@
                                     **kwargs)
         compare_args_full = dict(gateway_ip=gateway, cidr=cidr,
                                  mask_bits=mask_bits, **kwargs)
-        compare_args = dict((k, v) for k, v in compare_args_full.iteritems()
+        compare_args = dict((k, v) for k, v in six.iteritems(compare_args_full)
                             if v is not None)
 
         if 'dns_nameservers' in set(subnet).intersection(compare_args):
diff --git a/tempest/api/network/test_routers.py b/tempest/api/network/test_routers.py
index 4362926..35072b4 100644
--- a/tempest/api/network/test_routers.py
+++ b/tempest/api/network/test_routers.py
@@ -14,6 +14,7 @@
 #    under the License.
 
 import netaddr
+import six
 from tempest_lib.common.utils import data_utils
 
 from tempest.api.network import base_routers as base
@@ -176,7 +177,7 @@
             self.assertIsNone(actual_ext_gw_info)
             return
         # Verify only keys passed in exp_ext_gw_info
-        for k, v in exp_ext_gw_info.iteritems():
+        for k, v in six.iteritems(exp_ext_gw_info):
             self.assertEqual(v, actual_ext_gw_info[k])
 
     def _verify_gateway_port(self, router_id):
diff --git a/tempest/api/network/test_vpnaas_extensions.py b/tempest/api/network/test_vpnaas_extensions.py
index 718168b..9fe2a56 100644
--- a/tempest/api/network/test_vpnaas_extensions.py
+++ b/tempest/api/network/test_vpnaas_extensions.py
@@ -13,6 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import six
 from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
@@ -82,7 +83,7 @@
 
     def _assertExpected(self, expected, actual):
         # Check if not expected keys/values exists in actual response body
-        for key, value in expected.iteritems():
+        for key, value in six.iteritems(expected):
             self.assertIn(key, actual)
             self.assertEqual(value, actual[key])
 
@@ -245,7 +246,7 @@
         # Confirm that update was successful by verifying using 'show'
         body = self.client.show_ikepolicy(ikepolicy['id'])
         ike_policy = body['ikepolicy']
-        for key, value in new_ike.iteritems():
+        for key, value in six.iteritems(new_ike):
             self.assertIn(key, ike_policy)
             self.assertEqual(value, ike_policy[key])
 
diff --git a/tempest/api/volume/admin/test_volume_quotas.py b/tempest/api/volume/admin/test_volume_quotas.py
index 814b46d..24c7c63 100644
--- a/tempest/api/volume/admin/test_volume_quotas.py
+++ b/tempest/api/volume/admin/test_volume_quotas.py
@@ -12,6 +12,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import six
 from tempest_lib.common.utils import data_utils
 
 from tempest.api.volume import base
@@ -57,7 +58,7 @@
             **new_quota_set)
 
         cleanup_quota_set = dict(
-            (k, v) for k, v in default_quota_set.iteritems()
+            (k, v) for k, v in six.iteritems(default_quota_set)
             if k in QUOTA_KEYS)
         self.addCleanup(self.quotas_client.update_quota_set,
                         self.demo_tenant_id, **cleanup_quota_set)
diff --git a/tempest/cmd/javelin.py b/tempest/cmd/javelin.py
index b2311b0..4e2af76 100755
--- a/tempest/cmd/javelin.py
+++ b/tempest/cmd/javelin.py
@@ -114,6 +114,7 @@
 import netaddr
 from oslo_log import log as logging
 from oslo_utils import timeutils
+import six
 from tempest_lib import auth
 from tempest_lib import exceptions as lib_exc
 import yaml
@@ -416,7 +417,7 @@
         that things like tenantId didn't drift across versions.
         """
         LOG.info("checking users")
-        for name, user in self.users.iteritems():
+        for name, user in six.iteritems(self.users):
             client = keystone_admin()
             found = client.identity.get_user(user['id'])
             self.assertEqual(found['name'], user['name'])
diff --git a/tempest/common/custom_matchers.py b/tempest/common/custom_matchers.py
index 298a94e..839088c 100644
--- a/tempest/common/custom_matchers.py
+++ b/tempest/common/custom_matchers.py
@@ -14,6 +14,7 @@
 
 import re
 
+import six
 from testtools import helpers
 
 
@@ -121,7 +122,7 @@
     """
 
     def match(self, actual):
-        for key, value in actual.iteritems():
+        for key, value in six.iteritems(actual):
             if key in ('content-length', 'x-account-bytes-used',
                        'x-account-container-count', 'x-account-object-count',
                        'x-container-bytes-used', 'x-container-object-count')\
diff --git a/tempest/common/generator/base_generator.py b/tempest/common/generator/base_generator.py
index f81f405..3e09300 100644
--- a/tempest/common/generator/base_generator.py
+++ b/tempest/common/generator/base_generator.py
@@ -17,8 +17,8 @@
 import functools
 
 import jsonschema
-
 from oslo_log import log as logging
+import six
 
 LOG = logging.getLogger(__name__)
 
@@ -122,7 +122,7 @@
 
         if schema_type == 'object':
             properties = schema["properties"]
-            for attribute, definition in properties.iteritems():
+            for attribute, definition in six.iteritems(properties):
                 current_path = copy.copy(path)
                 if path is not None:
                     current_path.append(attribute)
diff --git a/tempest/common/generator/valid_generator.py b/tempest/common/generator/valid_generator.py
index 0c63bf5..2213b4a 100644
--- a/tempest/common/generator/valid_generator.py
+++ b/tempest/common/generator/valid_generator.py
@@ -14,6 +14,7 @@
 #    under the License.
 
 from oslo_log import log as logging
+import six
 
 import tempest.common.generator.base_generator as base
 
@@ -51,7 +52,7 @@
     @base.simple_generator
     def generate_valid_object(self, schema):
         obj = {}
-        for k, v in schema["properties"].iteritems():
+        for k, v in six.iteritems(schema["properties"]):
             obj[k] = self.generate_valid(v)
         return obj
 
diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index e6ab163..7e0c3b3 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -741,7 +741,7 @@
         # The target login is assumed to have been configured for
         # key-based authentication by cloud-init.
         try:
-            for net_name, ip_addresses in server['addresses'].iteritems():
+            for net_name, ip_addresses in six.iteritems(server['addresses']):
                 for ip_address in ip_addresses:
                     self.check_vm_connectivity(ip_address['addr'],
                                                username,
diff --git a/tempest/scenario/test_load_balancer_basic.py b/tempest/scenario/test_load_balancer_basic.py
index 02eb26f..691c7c9 100644
--- a/tempest/scenario/test_load_balancer_basic.py
+++ b/tempest/scenario/test_load_balancer_basic.py
@@ -17,6 +17,7 @@
 import tempfile
 import time
 
+import six
 from six.moves.urllib import request as urllib2
 
 from tempest.common import commands
@@ -159,7 +160,7 @@
         1. SSH to the instance
         2. Start two http backends listening on ports 80 and 88 respectively
         """
-        for server_id, ip in self.server_ips.iteritems():
+        for server_id, ip in six.iteritems(self.server_ips):
             private_key = self.servers_keypairs[server_id]['private_key']
             server_name = self.servers_client.get_server(server_id)['name']
             username = config.scenario.ssh_user
@@ -239,7 +240,7 @@
         but with different ports to listen on.
         """
 
-        for server_id, ip in self.server_fixed_ips.iteritems():
+        for server_id, ip in six.iteritems(self.server_fixed_ips):
             if len(self.server_fixed_ips) == 1:
                 member1 = self._create_member(address=ip,
                                               protocol_port=self.port1,
@@ -308,7 +309,7 @@
             except urllib2.HTTPError:
                 continue
         # Assert that each member of the pool gets balanced at least once
-        for member, counter in counters.iteritems():
+        for member, counter in six.iteritems(counters):
             self.assertGreater(counter, 0, 'Member %s never balanced' % member)
 
     @test.idempotent_id('c0c6f1ca-603b-4509-9c0f-2c63f0d838ee')
diff --git a/tempest/scenario/test_network_v6.py b/tempest/scenario/test_network_v6.py
index 16ff848..6e67c4b 100644
--- a/tempest/scenario/test_network_v6.py
+++ b/tempest/scenario/test_network_v6.py
@@ -16,6 +16,7 @@
 import netaddr
 
 from oslo_log import log as logging
+import six
 
 from tempest import config
 from tempest.scenario import manager
@@ -93,7 +94,7 @@
 
     @staticmethod
     def define_server_ips(srv):
-        for net_name, nics in srv['addresses'].iteritems():
+        for net_name, nics in six.iteritems(srv['addresses']):
             for nic in nics:
                 if nic['version'] == 6:
                     srv['accessIPv6'] = nic['addr']
diff --git a/tempest/services/image/v1/json/image_client.py b/tempest/services/image/v1/json/image_client.py
index 92ef206..5e442fa 100644
--- a/tempest/services/image/v1/json/image_client.py
+++ b/tempest/services/image/v1/json/image_client.py
@@ -20,6 +20,7 @@
 import time
 
 from oslo_log import log as logging
+import six
 from six.moves.urllib import parse as urllib
 from tempest_lib.common.utils import misc as misc_utils
 from tempest_lib import exceptions as lib_exc
@@ -54,7 +55,7 @@
 
     def _image_meta_from_headers(self, headers):
         meta = {'properties': {}}
-        for key, value in headers.iteritems():
+        for key, value in six.iteritems(headers):
             if key.startswith('x-image-meta-property-'):
                 _key = key[22:]
                 meta['properties'][_key] = value
@@ -80,11 +81,11 @@
         copy_from = fields_copy.pop('copy_from', None)
         if copy_from is not None:
             headers['x-glance-api-copy-from'] = copy_from
-        for key, value in fields_copy.pop('properties', {}).iteritems():
+        for key, value in six.iteritems(fields_copy.pop('properties', {})):
             headers['x-image-meta-property-%s' % key] = str(value)
-        for key, value in fields_copy.pop('api', {}).iteritems():
+        for key, value in six.iteritems(fields_copy.pop('api', {})):
             headers['x-glance-api-property-%s' % key] = str(value)
-        for key, value in fields_copy.iteritems():
+        for key, value in six.iteritems(fields_copy):
             headers['x-image-meta-%s' % key] = str(value)
         return headers
 
diff --git a/tempest/services/object_storage/object_client.py b/tempest/services/object_storage/object_client.py
index 781f352..2265587 100644
--- a/tempest/services/object_storage/object_client.py
+++ b/tempest/services/object_storage/object_client.py
@@ -13,6 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import six
 from six.moves import http_client as httplib
 from six.moves.urllib import parse as urlparse
 
@@ -232,7 +233,7 @@
         headers = {}
     if hasattr(contents, 'read'):
         conn.putrequest('PUT', path)
-        for header, value in headers.iteritems():
+        for header, value in six.iteritems(headers):
             conn.putheader(header, value)
         if 'Content-Length' not in headers:
             if 'Transfer-Encoding' not in headers:
diff --git a/tempest/stress/driver.py b/tempest/stress/driver.py
index 72a2796..3f8e537 100644
--- a/tempest/stress/driver.py
+++ b/tempest/stress/driver.py
@@ -19,6 +19,7 @@
 
 from oslo_log import log as logging
 from oslo_utils import importutils
+import six
 from six import moves
 from tempest_lib.common import ssh
 from tempest_lib.common.utils import data_utils
@@ -171,7 +172,7 @@
             test_run = test_obj(manager, max_runs, stop_on_error)
 
             kwargs = test.get('kwargs', {})
-            test_run.setUp(**dict(kwargs.iteritems()))
+            test_run.setUp(**dict(six.iteritems(kwargs)))
 
             LOG.debug("calling Target Object %s" %
                       test_run.__class__.__name__)
diff --git a/tempest/tests/negative/test_negative_generators.py b/tempest/tests/negative/test_negative_generators.py
index 2fa6933..78fd80d 100644
--- a/tempest/tests/negative/test_negative_generators.py
+++ b/tempest/tests/negative/test_negative_generators.py
@@ -17,6 +17,7 @@
 
 import jsonschema
 import mock
+import six
 
 from tempest.common.generator import base_generator
 from tempest.common.generator import negative_generator
@@ -101,11 +102,11 @@
 
     class fake_test_class(object):
         def __init__(self, scenario):
-            for k, v in scenario.iteritems():
+            for k, v in six.iteritems(scenario):
                 setattr(self, k, v)
 
     def _validate_result(self, valid_schema, invalid_schema):
-        for k, v in valid_schema.iteritems():
+        for k, v in six.iteritems(valid_schema):
             self.assertTrue(k in invalid_schema)
 
     def test_generator_mandatory_functions(self):