diff --git a/openstack-common.conf b/openstack-common.conf
index 1920295..16ba6a7 100644
--- a/openstack-common.conf
+++ b/openstack-common.conf
@@ -3,6 +3,8 @@
 # The list of modules to copy from openstack-common
 module=install_venv_common
 module=versionutils
+module=with_venv
+module=install_venv
 
 # The base module to hold the copy of openstack.common
 base=tempest
diff --git a/requirements.txt b/requirements.txt
index 84c5d92..66e5b16 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,6 +2,7 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 pbr<2.0,>=0.11
+cliff>=1.13.0 # Apache-2.0
 anyjson>=0.3.3
 httplib2>=0.7.5
 jsonschema!=2.5.0,<3.0.0,>=2.0.0
@@ -23,3 +24,4 @@
 testscenarios>=0.4
 tempest-lib>=0.6.1
 PyYAML>=3.1.0
+stevedore>=1.5.0 # Apache-2.0
diff --git a/run_tempest.sh b/run_tempest.sh
index 5a9b742..0f32045 100755
--- a/run_tempest.sh
+++ b/run_tempest.sh
@@ -20,7 +20,7 @@
 }
 
 testrargs=""
-venv=.venv
+venv=${VENV:-.venv}
 with_venv=tools/with_venv.sh
 serial=0
 always_venv=0
diff --git a/run_tests.sh b/run_tests.sh
index 971f89b..9a158e4 100755
--- a/run_tests.sh
+++ b/run_tests.sh
@@ -19,7 +19,7 @@
 
 testrargs=""
 just_pep8=0
-venv=.venv
+venv=${VENV:-.venv}
 with_venv=tools/with_venv.sh
 serial=0
 always_venv=0
diff --git a/setup.cfg b/setup.cfg
index 3a14bba..5c78632 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -25,6 +25,7 @@
     run-tempest-stress = tempest.cmd.run_stress:main
     tempest-cleanup = tempest.cmd.cleanup:main
     tempest-account-generator = tempest.cmd.account_generator:main
+    tempest = tempest.cmd.main:main
 
 oslo.config.opts =
     tempest.config = tempest.config:list_opts
diff --git a/tempest/api/baremetal/admin/base.py b/tempest/api/baremetal/admin/base.py
index 0b5d7d9..d7d2efe 100644
--- a/tempest/api/baremetal/admin/base.py
+++ b/tempest/api/baremetal/admin/base.py
@@ -12,9 +12,9 @@
 
 import functools
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/baremetal/admin/test_chassis.py b/tempest/api/baremetal/admin/test_chassis.py
index 5ad05cc..29fc64c 100644
--- a/tempest/api/baremetal/admin/test_chassis.py
+++ b/tempest/api/baremetal/admin/test_chassis.py
@@ -12,10 +12,10 @@
 #    under the License.
 
 import six
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.baremetal.admin import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/baremetal/admin/test_nodes.py b/tempest/api/baremetal/admin/test_nodes.py
index 6b963c7..4830dcd 100644
--- a/tempest/api/baremetal/admin/test_nodes.py
+++ b/tempest/api/baremetal/admin/test_nodes.py
@@ -11,10 +11,10 @@
 #    under the License.
 
 import six
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.baremetal.admin import base
+from tempest.common.utils import data_utils
 from tempest.common import waiters
 from tempest import test
 
diff --git a/tempest/api/baremetal/admin/test_ports.py b/tempest/api/baremetal/admin/test_ports.py
index ece4471..5eaf641 100644
--- a/tempest/api/baremetal/admin/test_ports.py
+++ b/tempest/api/baremetal/admin/test_ports.py
@@ -11,11 +11,11 @@
 #    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
 
 from tempest.api.baremetal.admin import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/baremetal/admin/test_ports_negative.py b/tempest/api/baremetal/admin/test_ports_negative.py
index 3d80ee4..610758a 100644
--- a/tempest/api/baremetal/admin/test_ports_negative.py
+++ b/tempest/api/baremetal/admin/test_ports_negative.py
@@ -10,10 +10,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.baremetal.admin import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/compute/admin/test_agents.py b/tempest/api/compute/admin/test_agents.py
index c9a73c7..1aa1615 100644
--- a/tempest/api/compute/admin/test_agents.py
+++ b/tempest/api/compute/admin/test_agents.py
@@ -13,10 +13,10 @@
 #    under the License.
 
 from oslo_log import log
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 LOG = log.getLogger(__name__)
diff --git a/tempest/api/compute/admin/test_aggregates.py b/tempest/api/compute/admin/test_aggregates.py
index f103cb6..91e55d6 100644
--- a/tempest/api/compute/admin/test_aggregates.py
+++ b/tempest/api/compute/admin/test_aggregates.py
@@ -13,11 +13,11 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.compute import base
 from tempest.common import tempest_fixtures as fixtures
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/compute/admin/test_aggregates_negative.py b/tempest/api/compute/admin/test_aggregates_negative.py
index 6942fdb..74a8547 100644
--- a/tempest/api/compute/admin/test_aggregates_negative.py
+++ b/tempest/api/compute/admin/test_aggregates_negative.py
@@ -13,11 +13,11 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.compute import base
 from tempest.common import tempest_fixtures as fixtures
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/compute/admin/test_flavors.py b/tempest/api/compute/admin/test_flavors.py
index d4b8311..364d080 100644
--- a/tempest/api/compute/admin/test_flavors.py
+++ b/tempest/api/compute/admin/test_flavors.py
@@ -15,10 +15,10 @@
 
 import uuid
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/compute/admin/test_flavors_access.py b/tempest/api/compute/admin/test_flavors_access.py
index 4c743dc..2baa53e 100644
--- a/tempest/api/compute/admin/test_flavors_access.py
+++ b/tempest/api/compute/admin/test_flavors_access.py
@@ -13,9 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/compute/admin/test_flavors_access_negative.py b/tempest/api/compute/admin/test_flavors_access_negative.py
index be5e6cc..e5ae23b 100644
--- a/tempest/api/compute/admin/test_flavors_access_negative.py
+++ b/tempest/api/compute/admin/test_flavors_access_negative.py
@@ -15,10 +15,10 @@
 
 import uuid
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/compute/admin/test_flavors_extra_specs.py b/tempest/api/compute/admin/test_flavors_extra_specs.py
index a14a61f..6866c1a 100644
--- a/tempest/api/compute/admin/test_flavors_extra_specs.py
+++ b/tempest/api/compute/admin/test_flavors_extra_specs.py
@@ -13,9 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/compute/admin/test_flavors_extra_specs_negative.py b/tempest/api/compute/admin/test_flavors_extra_specs_negative.py
index ba05c7f..8c5a103 100644
--- a/tempest/api/compute/admin/test_flavors_extra_specs_negative.py
+++ b/tempest/api/compute/admin/test_flavors_extra_specs_negative.py
@@ -14,10 +14,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/compute/admin/test_floating_ips_bulk.py b/tempest/api/compute/admin/test_floating_ips_bulk.py
index 5c45dd8..4ac1915 100644
--- a/tempest/api/compute/admin/test_floating_ips_bulk.py
+++ b/tempest/api/compute/admin/test_floating_ips_bulk.py
@@ -34,7 +34,7 @@
     @classmethod
     def setup_clients(cls):
         super(FloatingIPsBulkAdminTestJSON, cls).setup_clients()
-        cls.client = cls.os_adm.floating_ips_client
+        cls.client = cls.os_adm.floating_ips_bulk_client
 
     @classmethod
     def resource_setup(cls):
diff --git a/tempest/api/compute/admin/test_hosts_negative.py b/tempest/api/compute/admin/test_hosts_negative.py
index 930d686..b2d2a04 100644
--- a/tempest/api/compute/admin/test_hosts_negative.py
+++ b/tempest/api/compute/admin/test_hosts_negative.py
@@ -12,10 +12,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/compute/admin/test_hypervisor_negative.py b/tempest/api/compute/admin/test_hypervisor_negative.py
index a5c2f0d..701b4bb 100644
--- a/tempest/api/compute/admin/test_hypervisor_negative.py
+++ b/tempest/api/compute/admin/test_hypervisor_negative.py
@@ -15,10 +15,10 @@
 
 import uuid
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/compute/admin/test_quotas.py b/tempest/api/compute/admin/test_quotas.py
index 029e578..47bdfa6 100644
--- a/tempest/api/compute/admin/test_quotas.py
+++ b/tempest/api/compute/admin/test_quotas.py
@@ -15,11 +15,11 @@
 
 from oslo_log import log as logging
 import six
-from tempest_lib.common.utils import data_utils
 from testtools import matchers
 
 from tempest.api.compute import base
 from tempest.common import tempest_fixtures as fixtures
+from tempest.common.utils import data_utils
 from tempest import test
 
 LOG = logging.getLogger(__name__)
diff --git a/tempest/api/compute/admin/test_quotas_negative.py b/tempest/api/compute/admin/test_quotas_negative.py
index c450a1d..20aa440 100644
--- a/tempest/api/compute/admin/test_quotas_negative.py
+++ b/tempest/api/compute/admin/test_quotas_negative.py
@@ -12,11 +12,11 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import decorators
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/compute/admin/test_security_groups.py b/tempest/api/compute/admin/test_security_groups.py
index d8679e0..2c3c629 100644
--- a/tempest/api/compute/admin/test_security_groups.py
+++ b/tempest/api/compute/admin/test_security_groups.py
@@ -13,10 +13,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 import testtools
 
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/compute/admin/test_servers.py b/tempest/api/compute/admin/test_servers.py
index 8119f3e..51a03f5 100644
--- a/tempest/api/compute/admin/test_servers.py
+++ b/tempest/api/compute/admin/test_servers.py
@@ -12,11 +12,11 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import decorators
 
 from tempest.api.compute import base
 from tempest.common import fixed_network
+from tempest.common.utils import data_utils
 from tempest import test
 
 
@@ -52,7 +52,7 @@
     @test.idempotent_id('51717b38-bdc1-458b-b636-1cf82d99f62f')
     def test_list_servers_by_admin(self):
         # Listing servers by admin user returns empty list by default
-        body = self.client.list_servers_with_detail()
+        body = self.client.list_servers(detail=True)
         servers = body['servers']
         self.assertEqual([], servers)
 
@@ -61,7 +61,7 @@
         # Filter the list of servers by server error status
         params = {'status': 'error'}
         self.client.reset_state(self.s1_id, state='error')
-        body = self.non_admin_client.list_servers(params)
+        body = self.non_admin_client.list_servers(**params)
         # Reset server's state to 'active'
         self.client.reset_state(self.s1_id, state='active')
         # Verify server's state
@@ -77,7 +77,7 @@
         # Listing servers by admin user with all tenants parameter
         # Here should be listed all servers
         params = {'all_tenants': ''}
-        body = self.client.list_servers_with_detail(params)
+        body = self.client.list_servers(detail=True, **params)
         servers = body['servers']
         servers_name = map(lambda x: x['name'], servers)
 
@@ -91,14 +91,14 @@
         # List the primary tenant but get nothing due to odd specified behavior
         tenant_id = self.non_admin_client.tenant_id
         params = {'tenant_id': tenant_id}
-        body = self.client.list_servers_with_detail(params)
+        body = self.client.list_servers(detail=True, **params)
         servers = body['servers']
         self.assertEqual([], servers)
 
         # List the admin tenant which has no servers
         admin_tenant_id = self.client.tenant_id
         params = {'all_tenants': '', 'tenant_id': admin_tenant_id}
-        body = self.client.list_servers_with_detail(params)
+        body = self.client.list_servers(detail=True, **params)
         servers = body['servers']
         self.assertEqual([], servers)
 
@@ -118,10 +118,10 @@
         self.assertEqual(server['status'], 'ACTIVE')
         hostname = server[self._host_key]
         params = {'host': hostname}
-        body = self.client.list_servers(params)
+        body = self.client.list_servers(**params)
         servers = body['servers']
         nonexistent_params = {'host': 'nonexistent_host'}
-        nonexistent_body = self.client.list_servers(nonexistent_params)
+        nonexistent_body = self.client.list_servers(**nonexistent_params)
         nonexistent_servers = nonexistent_body['servers']
         self.assertIn(test_server['id'], map(lambda x: x['id'], servers))
         self.assertNotIn(test_server['id'],
diff --git a/tempest/api/compute/admin/test_servers_negative.py b/tempest/api/compute/admin/test_servers_negative.py
index cda4bc4..6d3c4a3 100644
--- a/tempest/api/compute/admin/test_servers_negative.py
+++ b/tempest/api/compute/admin/test_servers_negative.py
@@ -14,12 +14,12 @@
 
 import uuid
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 import testtools
 
 from tempest.api.compute import base
 from tempest.common import tempest_fixtures as fixtures
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/compute/base.py b/tempest/api/compute/base.py
index a1f6f99..ea8e112 100644
--- a/tempest/api/compute/base.py
+++ b/tempest/api/compute/base.py
@@ -16,10 +16,11 @@
 import time
 
 from oslo_log import log as logging
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.common import compute
+from tempest.common.utils import data_utils
+from tempest.common import waiters
 from tempest import config
 from tempest import exceptions
 import tempest.test
@@ -56,9 +57,11 @@
     def setup_clients(cls):
         super(BaseComputeTest, cls).setup_clients()
         cls.servers_client = cls.os.servers_client
+        cls.server_groups_client = cls.os.server_groups_client
         cls.flavors_client = cls.os.flavors_client
         cls.images_client = cls.os.images_client
         cls.extensions_client = cls.os.extensions_client
+        cls.floating_ip_pools_client = cls.os.floating_ip_pools_client
         cls.floating_ips_client = cls.os.floating_ips_client
         cls.keypairs_client = cls.os.keypairs_client
         cls.security_groups_client = cls.os.security_groups_client
@@ -182,7 +185,7 @@
         LOG.debug('Clearing server groups: %s', ','.join(cls.server_groups))
         for server_group_id in cls.server_groups:
             try:
-                cls.servers_client.delete_server_group(server_group_id)
+                cls.server_groups_client.delete_server_group(server_group_id)
             except lib_exc.NotFound:
                 # The server-group may have already been deleted which is OK.
                 pass
@@ -230,7 +233,7 @@
             name = data_utils.rand_name(cls.__name__ + "-Server-Group")
         if policy is None:
             policy = ['affinity']
-        body = cls.servers_client.create_server_group(name, policy)
+        body = cls.server_groups_client.create_server_group(name, policy)
         cls.server_groups.append(body['id'])
         return body
 
@@ -280,8 +283,8 @@
         cls.images.append(image_id)
 
         if 'wait_until' in kwargs:
-            cls.images_client.wait_for_image_status(image_id,
-                                                    kwargs['wait_until'])
+            waiters.wait_for_image_status(cls.images_client,
+                                          image_id, kwargs['wait_until'])
             image = cls.images_client.show_image(image_id)
 
             if kwargs['wait_until'] == 'ACTIVE':
diff --git a/tempest/api/compute/floating_ips/test_floating_ips_actions.py b/tempest/api/compute/floating_ips/test_floating_ips_actions.py
index 093f16b..2cc1b59 100644
--- a/tempest/api/compute/floating_ips/test_floating_ips_actions.py
+++ b/tempest/api/compute/floating_ips/test_floating_ips_actions.py
@@ -13,10 +13,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.compute.floating_ips import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/compute/floating_ips/test_floating_ips_actions_negative.py b/tempest/api/compute/floating_ips/test_floating_ips_actions_negative.py
index d22d334..c07af72 100644
--- a/tempest/api/compute/floating_ips/test_floating_ips_actions_negative.py
+++ b/tempest/api/compute/floating_ips/test_floating_ips_actions_negative.py
@@ -15,10 +15,10 @@
 
 import uuid
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.compute.floating_ips import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/compute/floating_ips/test_list_floating_ips.py b/tempest/api/compute/floating_ips/test_list_floating_ips.py
index ad52b8c..d26a5e5 100644
--- a/tempest/api/compute/floating_ips/test_list_floating_ips.py
+++ b/tempest/api/compute/floating_ips/test_list_floating_ips.py
@@ -23,6 +23,7 @@
     def setup_clients(cls):
         super(FloatingIPDetailsTestJSON, cls).setup_clients()
         cls.client = cls.floating_ips_client
+        cls.pools_client = cls.floating_ip_pools_client
 
     @classmethod
     def resource_setup(cls):
@@ -76,6 +77,6 @@
     @test.services('network')
     def test_list_floating_ip_pools(self):
         # Positive test:Should return the list of floating IP Pools
-        floating_ip_pools = self.client.list_floating_ip_pools()
+        floating_ip_pools = self.pools_client.list_floating_ip_pools()
         self.assertNotEqual(0, len(floating_ip_pools),
                             "Expected floating IP Pools. Got zero.")
diff --git a/tempest/api/compute/floating_ips/test_list_floating_ips_negative.py b/tempest/api/compute/floating_ips/test_list_floating_ips_negative.py
index 05d3d05..75b6b55 100644
--- a/tempest/api/compute/floating_ips/test_list_floating_ips_negative.py
+++ b/tempest/api/compute/floating_ips/test_list_floating_ips_negative.py
@@ -15,10 +15,10 @@
 
 import uuid
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/compute/images/test_image_metadata.py b/tempest/api/compute/images/test_image_metadata.py
index 4e0ed97..ab82d91 100644
--- a/tempest/api/compute/images/test_image_metadata.py
+++ b/tempest/api/compute/images/test_image_metadata.py
@@ -15,9 +15,9 @@
 
 import six
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
+from tempest.common import waiters
 from tempest import config
 from tempest import test
 
@@ -53,7 +53,7 @@
         cls.images.append(cls.image_id)
         image_file = six.StringIO(('*' * 1024))
         cls.glance_client.update_image(cls.image_id, data=image_file)
-        cls.client.wait_for_image_status(cls.image_id, 'ACTIVE')
+        waiters.wait_for_image_status(cls.client, cls.image_id, 'ACTIVE')
 
     def setUp(self):
         super(ImagesMetadataTestJSON, self).setUp()
diff --git a/tempest/api/compute/images/test_image_metadata_negative.py b/tempest/api/compute/images/test_image_metadata_negative.py
index 0c1971a..0f02166 100644
--- a/tempest/api/compute/images/test_image_metadata_negative.py
+++ b/tempest/api/compute/images/test_image_metadata_negative.py
@@ -13,10 +13,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/compute/images/test_images.py b/tempest/api/compute/images/test_images.py
index 2896f14..0324df2 100644
--- a/tempest/api/compute/images/test_images.py
+++ b/tempest/api/compute/images/test_images.py
@@ -12,9 +12,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/compute/images/test_images_negative.py b/tempest/api/compute/images/test_images_negative.py
index 54a82e9..07eca9e 100644
--- a/tempest/api/compute/images/test_images_negative.py
+++ b/tempest/api/compute/images/test_images_negative.py
@@ -12,10 +12,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/compute/images/test_images_oneserver.py b/tempest/api/compute/images/test_images_oneserver.py
index 1fd165b..1741e86 100644
--- a/tempest/api/compute/images/test_images_oneserver.py
+++ b/tempest/api/compute/images/test_images_oneserver.py
@@ -14,9 +14,10 @@
 #    under the License.
 
 from oslo_log import log as logging
-from tempest_lib.common.utils import data_utils
 
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
+from tempest.common import waiters
 from tempest import config
 from tempest import test
 
@@ -81,7 +82,7 @@
         meta = {'image_type': 'test'}
         body = self.client.create_image(self.server_id, name, meta)
         image_id = data_utils.parse_image_id(body.response['location'])
-        self.client.wait_for_image_status(image_id, 'ACTIVE')
+        waiters.wait_for_image_status(self.client, image_id, 'ACTIVE')
 
         # Verify the image was created correctly
         image = self.client.show_image(image_id)
diff --git a/tempest/api/compute/images/test_images_oneserver_negative.py b/tempest/api/compute/images/test_images_oneserver_negative.py
index 8a39d90..1cd1ab7 100644
--- a/tempest/api/compute/images/test_images_oneserver_negative.py
+++ b/tempest/api/compute/images/test_images_oneserver_negative.py
@@ -15,10 +15,10 @@
 #    under the License.
 
 from oslo_log import log as logging
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/compute/images/test_list_image_filters.py b/tempest/api/compute/images/test_list_image_filters.py
index 111398b..b0bbc91 100644
--- a/tempest/api/compute/images/test_list_image_filters.py
+++ b/tempest/api/compute/images/test_list_image_filters.py
@@ -17,10 +17,11 @@
 
 from oslo_log import log as logging
 import six
-from tempest_lib.common.utils import data_utils
 import testtools
 
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
+from tempest.common import waiters
 from tempest import config
 from tempest import test
 
@@ -61,7 +62,7 @@
             time.sleep(1)
             image_file = six.StringIO(('*' * 1024))
             cls.glance_client.update_image(image_id, data=image_file)
-            cls.client.wait_for_image_status(image_id, 'ACTIVE')
+            waiters.wait_for_image_status(cls.client, image_id, 'ACTIVE')
             body = cls.client.show_image(image_id)
             return body
 
diff --git a/tempest/api/compute/images/test_list_image_filters_negative.py b/tempest/api/compute/images/test_list_image_filters_negative.py
index 4110619..82062bd 100644
--- a/tempest/api/compute/images/test_list_image_filters_negative.py
+++ b/tempest/api/compute/images/test_list_image_filters_negative.py
@@ -12,10 +12,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/compute/keypairs/test_keypairs.py b/tempest/api/compute/keypairs/test_keypairs.py
index 50ebdeb..45eaa97 100644
--- a/tempest/api/compute/keypairs/test_keypairs.py
+++ b/tempest/api/compute/keypairs/test_keypairs.py
@@ -13,9 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/compute/keypairs/test_keypairs_negative.py b/tempest/api/compute/keypairs/test_keypairs_negative.py
index 78db74e..54b07f0 100644
--- a/tempest/api/compute/keypairs/test_keypairs_negative.py
+++ b/tempest/api/compute/keypairs/test_keypairs_negative.py
@@ -14,10 +14,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/compute/security_groups/test_security_group_rules_negative.py b/tempest/api/compute/security_groups/test_security_group_rules_negative.py
index c654172..15e79ac 100644
--- a/tempest/api/compute/security_groups/test_security_group_rules_negative.py
+++ b/tempest/api/compute/security_groups/test_security_group_rules_negative.py
@@ -13,10 +13,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.compute.security_groups import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/compute/security_groups/test_security_groups.py b/tempest/api/compute/security_groups/test_security_groups.py
index 821065c..491e52e 100644
--- a/tempest/api/compute/security_groups/test_security_groups.py
+++ b/tempest/api/compute/security_groups/test_security_groups.py
@@ -13,10 +13,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.compute.security_groups import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/compute/security_groups/test_security_groups_negative.py b/tempest/api/compute/security_groups/test_security_groups_negative.py
index 27a6670..d8cbe3d 100644
--- a/tempest/api/compute/security_groups/test_security_groups_negative.py
+++ b/tempest/api/compute/security_groups/test_security_groups_negative.py
@@ -13,12 +13,12 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import decorators
 from tempest_lib import exceptions as lib_exc
 import testtools
 
 from tempest.api.compute.security_groups import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/compute/servers/test_attach_interfaces.py b/tempest/api/compute/servers/test_attach_interfaces.py
index c3c50d6..396327b 100644
--- a/tempest/api/compute/servers/test_attach_interfaces.py
+++ b/tempest/api/compute/servers/test_attach_interfaces.py
@@ -46,6 +46,28 @@
         super(AttachInterfacesTestJSON, cls).setup_clients()
         cls.client = cls.os.interfaces_client
 
+    def wait_for_interface_status(self, server, port_id, status):
+        """Waits for a interface to reach a given status."""
+        body = self.client.show_interface(server, port_id)
+        interface_status = body['port_state']
+        start = int(time.time())
+
+        while(interface_status != status):
+            time.sleep(self.build_interval)
+            body = self.client.show_interface(server, port_id)
+            interface_status = body['port_state']
+
+            timed_out = int(time.time()) - start >= self.build_timeout
+
+            if interface_status != status and timed_out:
+                message = ('Interface %s failed to reach %s status '
+                           '(current %s) within the required time (%s s).' %
+                           (port_id, status, interface_status,
+                            self.build_timeout))
+                raise exceptions.TimeoutException(message)
+
+        return body
+
     def _check_interface(self, iface, port_id=None, network_id=None,
                          fixed_ip=None, mac_addr=None):
         self.assertIn('port_state', iface)
@@ -61,14 +83,14 @@
     def _create_server_get_interfaces(self):
         server = self.create_test_server(wait_until='ACTIVE')
         ifs = self.client.list_interfaces(server['id'])
-        body = self.client.wait_for_interface_status(
+        body = self.wait_for_interface_status(
             server['id'], ifs[0]['port_id'], 'ACTIVE')
         ifs[0]['port_state'] = body['port_state']
         return server, ifs
 
     def _test_create_interface(self, server):
         iface = self.client.create_interface(server['id'])
-        iface = self.client.wait_for_interface_status(
+        iface = self.wait_for_interface_status(
             server['id'], iface['port_id'], 'ACTIVE')
         self._check_interface(iface)
         return iface
@@ -77,7 +99,7 @@
         network_id = ifs[0]['net_id']
         iface = self.client.create_interface(server['id'],
                                              network_id=network_id)
-        iface = self.client.wait_for_interface_status(
+        iface = self.wait_for_interface_status(
             server['id'], iface['port_id'], 'ACTIVE')
         self._check_interface(iface, network_id=network_id)
         return iface
diff --git a/tempest/api/compute/servers/test_create_server.py b/tempest/api/compute/servers/test_create_server.py
index 569eedc..94b6cf0 100644
--- a/tempest/api/compute/servers/test_create_server.py
+++ b/tempest/api/compute/servers/test_create_server.py
@@ -16,10 +16,10 @@
 import base64
 
 import netaddr
-from tempest_lib.common.utils import data_utils
 import testtools
 
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
 from tempest.common.utils.linux import remote_client
 from tempest import config
 from tempest import test
@@ -91,7 +91,7 @@
     @test.idempotent_id('585e934c-448e-43c4-acbf-d06a9b899997')
     def test_list_servers_with_detail(self):
         # The created server should be in the detailed list of all servers
-        body = self.client.list_servers_with_detail()
+        body = self.client.list_servers(detail=True)
         servers = body['servers']
         found = any([i for i in servers if i['id'] == self.server['id']])
         self.assertTrue(found)
@@ -121,17 +121,18 @@
         # Create a server with the scheduler hint "group".
         name = data_utils.rand_name('server_group')
         policies = ['affinity']
-        body = self.client.create_server_group(name=name,
-                                               policies=policies)
+        body = self.server_groups_client.create_server_group(
+            name=name, policies=policies)
         group_id = body['id']
-        self.addCleanup(self.client.delete_server_group, group_id)
+        self.addCleanup(self.server_groups_client.delete_server_group,
+                        group_id)
 
         hints = {'group': group_id}
         server = self.create_test_server(sched_hints=hints,
                                          wait_until='ACTIVE')
 
         # Check a server is in the group
-        server_group = self.client.get_server_group(group_id)
+        server_group = self.server_groups_client.get_server_group(group_id)
         self.assertIn(server['id'], server_group['members'])
 
     @test.idempotent_id('0578d144-ed74-43f8-8e57-ab10dbf9b3c2')
diff --git a/tempest/api/compute/servers/test_delete_server.py b/tempest/api/compute/servers/test_delete_server.py
index b36b721..990ad47 100644
--- a/tempest/api/compute/servers/test_delete_server.py
+++ b/tempest/api/compute/servers/test_delete_server.py
@@ -16,6 +16,7 @@
 import testtools
 
 from tempest.api.compute import base
+from tempest.common import waiters
 from tempest import config
 from tempest import test
 
@@ -117,15 +118,18 @@
 
         volume = volumes_client.create_volume()
         self.addCleanup(volumes_client.delete_volume, volume['id'])
-        volumes_client.wait_for_volume_status(volume['id'], 'available')
+        waiters.wait_for_volume_status(volumes_client,
+                                       volume['id'], 'available')
         self.client.attach_volume(server['id'],
                                   volume['id'],
                                   device=device)
-        volumes_client.wait_for_volume_status(volume['id'], 'in-use')
+        waiters.wait_for_volume_status(volumes_client,
+                                       volume['id'], 'in-use')
 
         self.client.delete_server(server['id'])
         self.client.wait_for_server_termination(server['id'])
-        volumes_client.wait_for_volume_status(volume['id'], 'available')
+        waiters.wait_for_volume_status(volumes_client,
+                                       volume['id'], 'available')
 
 
 class DeleteServersAdminTestJSON(base.BaseV2ComputeAdminTest):
diff --git a/tempest/api/compute/servers/test_instance_actions_negative.py b/tempest/api/compute/servers/test_instance_actions_negative.py
index afd3b7a..6567da1 100644
--- a/tempest/api/compute/servers/test_instance_actions_negative.py
+++ b/tempest/api/compute/servers/test_instance_actions_negative.py
@@ -13,10 +13,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/compute/servers/test_list_server_filters.py b/tempest/api/compute/servers/test_list_server_filters.py
index 0fe143d..6d546d8 100644
--- a/tempest/api/compute/servers/test_list_server_filters.py
+++ b/tempest/api/compute/servers/test_list_server_filters.py
@@ -13,12 +13,12 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.compute import base
 from tempest.api import utils
 from tempest.common import fixed_network
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
@@ -92,7 +92,7 @@
     def test_list_servers_filter_by_image(self):
         # Filter the list of servers by image
         params = {'image': self.image_ref}
-        body = self.client.list_servers(params)
+        body = self.client.list_servers(**params)
         servers = body['servers']
 
         self.assertIn(self.s1['id'], map(lambda x: x['id'], servers))
@@ -103,7 +103,7 @@
     def test_list_servers_filter_by_flavor(self):
         # Filter the list of servers by flavor
         params = {'flavor': self.flavor_ref_alt}
-        body = self.client.list_servers(params)
+        body = self.client.list_servers(**params)
         servers = body['servers']
 
         self.assertNotIn(self.s1['id'], map(lambda x: x['id'], servers))
@@ -114,7 +114,7 @@
     def test_list_servers_filter_by_server_name(self):
         # Filter the list of servers by server name
         params = {'name': self.s1_name}
-        body = self.client.list_servers(params)
+        body = self.client.list_servers(**params)
         servers = body['servers']
 
         self.assertIn(self.s1_name, map(lambda x: x['name'], servers))
@@ -125,7 +125,7 @@
     def test_list_servers_filter_by_server_status(self):
         # Filter the list of servers by server status
         params = {'status': 'active'}
-        body = self.client.list_servers(params)
+        body = self.client.list_servers(**params)
         servers = body['servers']
 
         self.assertIn(self.s1['id'], map(lambda x: x['id'], servers))
@@ -139,7 +139,7 @@
         self.client.stop(self.s1['id'])
         self.client.wait_for_server_status(self.s1['id'],
                                            'SHUTOFF')
-        body = self.client.list_servers(params)
+        body = self.client.list_servers(**params)
         self.client.start(self.s1['id'])
         self.client.wait_for_server_status(self.s1['id'],
                                            'ACTIVE')
@@ -153,21 +153,21 @@
     def test_list_servers_filter_by_limit(self):
         # Verify only the expected number of servers are returned
         params = {'limit': 1}
-        servers = self.client.list_servers(params)
+        servers = self.client.list_servers(**params)
         self.assertEqual(1, len([x for x in servers['servers'] if 'id' in x]))
 
     @test.idempotent_id('b1495414-2d93-414c-8019-849afe8d319e')
     def test_list_servers_filter_by_zero_limit(self):
         # Verify only the expected number of servers are returned
         params = {'limit': 0}
-        servers = self.client.list_servers(params)
+        servers = self.client.list_servers(**params)
         self.assertEqual(0, len(servers['servers']))
 
     @test.idempotent_id('37791bbd-90c0-4de0-831e-5f38cba9c6b3')
     def test_list_servers_filter_by_exceed_limit(self):
         # Verify only the expected number of servers are returned
         params = {'limit': 100000}
-        servers = self.client.list_servers(params)
+        servers = self.client.list_servers(**params)
         all_servers = self.client.list_servers()
         self.assertEqual(len([x for x in all_servers['servers'] if 'id' in x]),
                          len([x for x in servers['servers'] if 'id' in x]))
@@ -177,7 +177,7 @@
     def test_list_servers_detailed_filter_by_image(self):
         # Filter the detailed list of servers by image
         params = {'image': self.image_ref}
-        body = self.client.list_servers_with_detail(params)
+        body = self.client.list_servers(detail=True, **params)
         servers = body['servers']
 
         self.assertIn(self.s1['id'], map(lambda x: x['id'], servers))
@@ -188,7 +188,7 @@
     def test_list_servers_detailed_filter_by_flavor(self):
         # Filter the detailed list of servers by flavor
         params = {'flavor': self.flavor_ref_alt}
-        body = self.client.list_servers_with_detail(params)
+        body = self.client.list_servers(detail=True, **params)
         servers = body['servers']
 
         self.assertNotIn(self.s1['id'], map(lambda x: x['id'], servers))
@@ -199,7 +199,7 @@
     def test_list_servers_detailed_filter_by_server_name(self):
         # Filter the detailed list of servers by server name
         params = {'name': self.s1_name}
-        body = self.client.list_servers_with_detail(params)
+        body = self.client.list_servers(detail=True, **params)
         servers = body['servers']
 
         self.assertIn(self.s1_name, map(lambda x: x['name'], servers))
@@ -210,7 +210,7 @@
     def test_list_servers_detailed_filter_by_server_status(self):
         # Filter the detailed list of servers by server status
         params = {'status': 'active'}
-        body = self.client.list_servers_with_detail(params)
+        body = self.client.list_servers(detail=True, **params)
         servers = body['servers']
         test_ids = [s['id'] for s in (self.s1, self.s2, self.s3)]
 
@@ -224,7 +224,7 @@
     def test_list_servers_filtered_by_name_wildcard(self):
         # List all servers that contains '-instance' in name
         params = {'name': '-instance'}
-        body = self.client.list_servers(params)
+        body = self.client.list_servers(**params)
         servers = body['servers']
 
         self.assertIn(self.s1_name, map(lambda x: x['name'], servers))
@@ -235,7 +235,7 @@
         part_name = self.s1_name[6:-1]
 
         params = {'name': part_name}
-        body = self.client.list_servers(params)
+        body = self.client.list_servers(**params)
         servers = body['servers']
 
         self.assertIn(self.s1_name, map(lambda x: x['name'], servers))
@@ -248,7 +248,7 @@
         regexes = ['^.*\-instance\-[0-9]+$', '^.*\-instance\-.*$']
         for regex in regexes:
             params = {'name': regex}
-            body = self.client.list_servers(params)
+            body = self.client.list_servers(**params)
             servers = body['servers']
 
             self.assertIn(self.s1_name, map(lambda x: x['name'], servers))
@@ -259,7 +259,7 @@
         part_name = self.s1_name[-10:]
 
         params = {'name': part_name}
-        body = self.client.list_servers(params)
+        body = self.client.list_servers(**params)
         servers = body['servers']
 
         self.assertIn(self.s1_name, map(lambda x: x['name'], servers))
@@ -282,7 +282,7 @@
         else:
             msg = "Skipped until bug 1450859 is resolved"
             raise self.skipException(msg)
-        body = self.client.list_servers(params)
+        body = self.client.list_servers(**params)
         servers = body['servers']
 
         self.assertIn(self.s1_name, map(lambda x: x['name'], servers))
@@ -304,7 +304,7 @@
             params = {'ip': ip}
         else:
             params = {'ip6': ip}
-        body = self.client.list_servers(params)
+        body = self.client.list_servers(**params)
         servers = body['servers']
 
         self.assertIn(self.s1_name, map(lambda x: x['name'], servers))
@@ -315,5 +315,5 @@
     def test_list_servers_detailed_limit_results(self):
         # Verify only the expected number of detailed results are returned
         params = {'limit': 1}
-        servers = self.client.list_servers_with_detail(params)
+        servers = self.client.list_servers(detail=True, **params)
         self.assertEqual(1, len(servers['servers']))
diff --git a/tempest/api/compute/servers/test_list_servers_negative.py b/tempest/api/compute/servers/test_list_servers_negative.py
index fd4d902..def6cf5 100644
--- a/tempest/api/compute/servers/test_list_servers_negative.py
+++ b/tempest/api/compute/servers/test_list_servers_negative.py
@@ -68,7 +68,7 @@
     def test_list_servers_by_non_existing_image(self):
         # Listing servers for a non existing image returns empty list
         non_existing_image = '1234abcd-zzz0-aaa9-ppp3-0987654abcde'
-        body = self.client.list_servers(dict(image=non_existing_image))
+        body = self.client.list_servers(image=non_existing_image)
         servers = body['servers']
         self.assertEqual([], servers)
 
@@ -77,7 +77,7 @@
     def test_list_servers_by_non_existing_flavor(self):
         # Listing servers by non existing flavor returns empty list
         non_existing_flavor = 1234
-        body = self.client.list_servers(dict(flavor=non_existing_flavor))
+        body = self.client.list_servers(flavor=non_existing_flavor)
         servers = body['servers']
         self.assertEqual([], servers)
 
@@ -86,7 +86,7 @@
     def test_list_servers_by_non_existing_server_name(self):
         # Listing servers for a non existent server name returns empty list
         non_existing_name = 'junk_server_1234'
-        body = self.client.list_servers(dict(name=non_existing_name))
+        body = self.client.list_servers(name=non_existing_name)
         servers = body['servers']
         self.assertEqual([], servers)
 
@@ -95,21 +95,21 @@
     def test_list_servers_status_non_existing(self):
         # Return an empty list when invalid status is specified
         non_existing_status = 'BALONEY'
-        body = self.client.list_servers(dict(status=non_existing_status))
+        body = self.client.list_servers(status=non_existing_status)
         servers = body['servers']
         self.assertEqual([], servers)
 
     @test.idempotent_id('12c80a9f-2dec-480e-882b-98ba15757659')
     def test_list_servers_by_limits(self):
         # List servers by specifying limits
-        body = self.client.list_servers({'limit': 1})
+        body = self.client.list_servers(limit=1)
         self.assertEqual(1, len([x for x in body['servers'] if 'id' in x]))
 
     @test.attr(type=['negative'])
     @test.idempotent_id('d47c17fb-eebd-4287-8e95-f20a7e627b18')
     def test_list_servers_by_limits_greater_than_actual_count(self):
         # List servers by specifying a greater value for limit
-        body = self.client.list_servers({'limit': 100})
+        body = self.client.list_servers(limit=100)
         self.assertEqual(len(self.existing_fixtures), len(body['servers']))
 
     @test.attr(type=['negative'])
@@ -117,28 +117,29 @@
     def test_list_servers_by_limits_pass_string(self):
         # Return an error if a string value is passed for limit
         self.assertRaises(lib_exc.BadRequest, self.client.list_servers,
-                          {'limit': 'testing'})
+                          limit='testing')
 
     @test.attr(type=['negative'])
     @test.idempotent_id('62610dd9-4713-4ee0-8beb-fd2c1aa7f950')
     def test_list_servers_by_limits_pass_negative_value(self):
         # Return an error if a negative value for limit is passed
         self.assertRaises(lib_exc.BadRequest, self.client.list_servers,
-                          {'limit': -1})
+                          limit=-1)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('87d12517-e20a-4c9c-97b6-dd1628d6d6c9')
     def test_list_servers_by_changes_since_invalid_date(self):
         # Return an error when invalid date format is passed
+        params = {'changes-since': '2011/01/01'}
         self.assertRaises(lib_exc.BadRequest, self.client.list_servers,
-                          {'changes-since': '2011/01/01'})
+                          **params)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('74745ad8-b346-45b5-b9b8-509d7447fc1f')
     def test_list_servers_by_changes_since_future_date(self):
         # Return an empty list when a date in the future is passed
         changes_since = {'changes-since': '2051-01-01T12:34:00Z'}
-        body = self.client.list_servers(changes_since)
+        body = self.client.list_servers(**changes_since)
         self.assertEqual(0, len(body['servers']))
 
     @test.attr(type=['negative'])
@@ -146,7 +147,7 @@
     def test_list_servers_detail_server_is_deleted(self):
         # Server details are not listed for a deleted server
         deleted_ids = [s['id'] for s in self.deleted_fixtures]
-        body = self.client.list_servers_with_detail()
+        body = self.client.list_servers(detail=True)
         servers = body['servers']
         actual = [srv for srv in servers
                   if srv['id'] in deleted_ids]
diff --git a/tempest/api/compute/servers/test_multiple_create.py b/tempest/api/compute/servers/test_multiple_create.py
index 11b457b..a945411 100644
--- a/tempest/api/compute/servers/test_multiple_create.py
+++ b/tempest/api/compute/servers/test_multiple_create.py
@@ -13,9 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/compute/servers/test_multiple_create_negative.py b/tempest/api/compute/servers/test_multiple_create_negative.py
index bfc98ff..8135768 100644
--- a/tempest/api/compute/servers/test_multiple_create_negative.py
+++ b/tempest/api/compute/servers/test_multiple_create_negative.py
@@ -13,10 +13,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/compute/servers/test_server_actions.py b/tempest/api/compute/servers/test_server_actions.py
index 1b1562f..3aff595 100644
--- a/tempest/api/compute/servers/test_server_actions.py
+++ b/tempest/api/compute/servers/test_server_actions.py
@@ -17,12 +17,12 @@
 import logging
 
 from six.moves.urllib import parse as urlparse
-from tempest_lib.common.utils import data_utils
 from tempest_lib import decorators
 from tempest_lib import exceptions as lib_exc
 import testtools
 
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
 from tempest.common.utils.linux import remote_client
 from tempest import config
 from tempest import test
diff --git a/tempest/api/compute/servers/test_server_group.py b/tempest/api/compute/servers/test_server_group.py
index ca808dd..0e7c1eb 100644
--- a/tempest/api/compute/servers/test_server_group.py
+++ b/tempest/api/compute/servers/test_server_group.py
@@ -13,10 +13,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import decorators
 
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
@@ -37,7 +37,7 @@
     @classmethod
     def setup_clients(cls):
         super(ServerGroupTestJSON, cls).setup_clients()
-        cls.client = cls.servers_client
+        cls.client = cls.server_groups_client
 
     @classmethod
     def resource_setup(cls):
diff --git a/tempest/api/compute/servers/test_server_metadata_negative.py b/tempest/api/compute/servers/test_server_metadata_negative.py
index a8f7597..c42ec3d 100644
--- a/tempest/api/compute/servers/test_server_metadata_negative.py
+++ b/tempest/api/compute/servers/test_server_metadata_negative.py
@@ -13,10 +13,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/compute/servers/test_server_rescue.py b/tempest/api/compute/servers/test_server_rescue.py
index 4e3ce47..20bc77f 100644
--- a/tempest/api/compute/servers/test_server_rescue.py
+++ b/tempest/api/compute/servers/test_server_rescue.py
@@ -13,9 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/compute/servers/test_server_rescue_negative.py b/tempest/api/compute/servers/test_server_rescue_negative.py
index 7798005..4300dd4 100644
--- a/tempest/api/compute/servers/test_server_rescue_negative.py
+++ b/tempest/api/compute/servers/test_server_rescue_negative.py
@@ -13,11 +13,12 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 import testtools
 
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
+from tempest.common import waiters
 from tempest import config
 from tempest import test
 
@@ -61,14 +62,14 @@
             CONF.volume.volume_size, display_name=data_utils.rand_name(
                 self.__class__.__name__ + '_volume'))
         self.addCleanup(self.delete_volume, volume['id'])
-        self.volumes_extensions_client.wait_for_volume_status(
-            volume['id'], 'available')
+        waiters.wait_for_volume_status(self.volumes_extensions_client,
+                                       volume['id'], 'available')
         return volume
 
     def _detach(self, server_id, volume_id):
         self.servers_client.detach_volume(server_id, volume_id)
-        self.volumes_extensions_client.wait_for_volume_status(volume_id,
-                                                              'available')
+        waiters.wait_for_volume_status(self.volumes_extensions_client,
+                                       volume_id, 'available')
 
     def _unrescue(self, server_id):
         self.servers_client.unrescue_server(server_id)
@@ -143,8 +144,8 @@
         self.servers_client.attach_volume(self.server_id,
                                           volume['id'],
                                           device='/dev/%s' % self.device)
-        self.volumes_extensions_client.wait_for_volume_status(
-            volume['id'], 'in-use')
+        waiters.wait_for_volume_status(self.volumes_extensions_client,
+                                       volume['id'], 'in-use')
 
         # Rescue the server
         self.servers_client.rescue_server(self.server_id,
diff --git a/tempest/api/compute/servers/test_servers.py b/tempest/api/compute/servers/test_servers.py
index 1a5a8f9..a7ebc09 100644
--- a/tempest/api/compute/servers/test_servers.py
+++ b/tempest/api/compute/servers/test_servers.py
@@ -13,9 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/compute/servers/test_servers_negative.py b/tempest/api/compute/servers/test_servers_negative.py
index 0a84554..d13d9d6 100644
--- a/tempest/api/compute/servers/test_servers_negative.py
+++ b/tempest/api/compute/servers/test_servers_negative.py
@@ -15,11 +15,11 @@
 
 import sys
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 import testtools
 
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/compute/test_authorization.py b/tempest/api/compute/test_authorization.py
index 9f4790d..58c2206 100644
--- a/tempest/api/compute/test_authorization.py
+++ b/tempest/api/compute/test_authorization.py
@@ -16,10 +16,10 @@
 import six
 
 from oslo_log import log as logging
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/compute/test_live_block_migration_negative.py b/tempest/api/compute/test_live_block_migration_negative.py
index 5ee76ca..47251b2 100644
--- a/tempest/api/compute/test_live_block_migration_negative.py
+++ b/tempest/api/compute/test_live_block_migration_negative.py
@@ -13,10 +13,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/compute/test_quotas.py b/tempest/api/compute/test_quotas.py
index e302798..9f37143 100644
--- a/tempest/api/compute/test_quotas.py
+++ b/tempest/api/compute/test_quotas.py
@@ -20,6 +20,13 @@
 
 class QuotasTestJSON(base.BaseV2ComputeTest):
 
+    @classmethod
+    def skip_checks(cls):
+        super(QuotasTestJSON, cls).skip_checks()
+        if not test.is_extension_enabled('os-quota-sets', 'compute'):
+            msg = "quotas extension not enabled."
+            raise cls.skipException(msg)
+
     def setUp(self):
         # NOTE(mriedem): Avoid conflicts with os-quota-class-sets tests.
         self.useFixture(fixtures.LockFixture('compute_quotas'))
diff --git a/tempest/api/compute/volumes/test_volumes_get.py b/tempest/api/compute/volumes/test_volumes_get.py
index efacbda..44339a3 100644
--- a/tempest/api/compute/volumes/test_volumes_get.py
+++ b/tempest/api/compute/volumes/test_volumes_get.py
@@ -13,10 +13,11 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from testtools import matchers
 
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
+from tempest.common import waiters
 from tempest import config
 from tempest import test
 
@@ -56,7 +57,7 @@
         self.assertTrue(volume['id'] is not None,
                         "Field volume id is empty or not found.")
         # Wait for Volume status to become ACTIVE
-        self.client.wait_for_volume_status(volume['id'], 'available')
+        waiters.wait_for_volume_status(self.client, volume['id'], 'available')
         # GET Volume
         fetched_volume = self.client.show_volume(volume['id'])
         # Verification of details of fetched Volume
diff --git a/tempest/api/compute/volumes/test_volumes_list.py b/tempest/api/compute/volumes/test_volumes_list.py
index 93fabc8..22b3d13 100644
--- a/tempest/api/compute/volumes/test_volumes_list.py
+++ b/tempest/api/compute/volumes/test_volumes_list.py
@@ -13,9 +13,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
+from tempest.common import waiters
 from tempest import config
 from tempest import test
 
@@ -56,7 +56,8 @@
             try:
                 volume = cls.client.create_volume(display_name=v_name,
                                                   metadata=metadata)
-                cls.client.wait_for_volume_status(volume['id'], 'available')
+                waiters.wait_for_volume_status(cls.client,
+                                               volume['id'], 'available')
                 volume = cls.client.show_volume(volume['id'])
                 cls.volume_list.append(volume)
                 cls.volume_id_list.append(volume['id'])
diff --git a/tempest/api/compute/volumes/test_volumes_negative.py b/tempest/api/compute/volumes/test_volumes_negative.py
index 592e5a7..01a0baf 100644
--- a/tempest/api/compute/volumes/test_volumes_negative.py
+++ b/tempest/api/compute/volumes/test_volumes_negative.py
@@ -15,10 +15,10 @@
 
 import uuid
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.compute import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/data_processing/test_cluster_templates.py b/tempest/api/data_processing/test_cluster_templates.py
index cebf493..e357a85 100644
--- a/tempest/api/data_processing/test_cluster_templates.py
+++ b/tempest/api/data_processing/test_cluster_templates.py
@@ -12,9 +12,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.data_processing import base as dp_base
+from tempest.common.utils import data_utils
 from tempest import exceptions
 from tempest import test
 
diff --git a/tempest/api/data_processing/test_data_sources.py b/tempest/api/data_processing/test_data_sources.py
index 5d2ed2d..dd16b2f 100644
--- a/tempest/api/data_processing/test_data_sources.py
+++ b/tempest/api/data_processing/test_data_sources.py
@@ -12,9 +12,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.data_processing import base as dp_base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/data_processing/test_job_binaries.py b/tempest/api/data_processing/test_job_binaries.py
index 694cf25..fb21270 100644
--- a/tempest/api/data_processing/test_job_binaries.py
+++ b/tempest/api/data_processing/test_job_binaries.py
@@ -12,9 +12,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.data_processing import base as dp_base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/data_processing/test_job_binary_internals.py b/tempest/api/data_processing/test_job_binary_internals.py
index ee4e68a..3d76ebe 100644
--- a/tempest/api/data_processing/test_job_binary_internals.py
+++ b/tempest/api/data_processing/test_job_binary_internals.py
@@ -12,9 +12,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.data_processing import base as dp_base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/data_processing/test_jobs.py b/tempest/api/data_processing/test_jobs.py
index b155615..83eb54d 100644
--- a/tempest/api/data_processing/test_jobs.py
+++ b/tempest/api/data_processing/test_jobs.py
@@ -12,9 +12,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.data_processing import base as dp_base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/data_processing/test_node_group_templates.py b/tempest/api/data_processing/test_node_group_templates.py
index 4068027..102799d 100644
--- a/tempest/api/data_processing/test_node_group_templates.py
+++ b/tempest/api/data_processing/test_node_group_templates.py
@@ -12,9 +12,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.data_processing import base as dp_base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/identity/admin/v2/test_roles.py b/tempest/api/identity/admin/v2/test_roles.py
index 4e89bfe..1babc45 100644
--- a/tempest/api/identity/admin/v2/test_roles.py
+++ b/tempest/api/identity/admin/v2/test_roles.py
@@ -14,9 +14,9 @@
 #    under the License.
 
 from six import moves
-from tempest_lib.common.utils import data_utils
 
 from tempest.api.identity import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/identity/admin/v2/test_roles_negative.py b/tempest/api/identity/admin/v2/test_roles_negative.py
index 3654f9c..b38b7dd 100644
--- a/tempest/api/identity/admin/v2/test_roles_negative.py
+++ b/tempest/api/identity/admin/v2/test_roles_negative.py
@@ -15,10 +15,10 @@
 
 import uuid
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.identity import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/identity/admin/v2/test_services.py b/tempest/api/identity/admin/v2/test_services.py
index de1d091..ef93981 100644
--- a/tempest/api/identity/admin/v2/test_services.py
+++ b/tempest/api/identity/admin/v2/test_services.py
@@ -14,10 +14,10 @@
 #    under the License.
 
 from six import moves
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.identity import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/identity/admin/v2/test_tenant_negative.py b/tempest/api/identity/admin/v2/test_tenant_negative.py
index 367b699..bccb5ca 100644
--- a/tempest/api/identity/admin/v2/test_tenant_negative.py
+++ b/tempest/api/identity/admin/v2/test_tenant_negative.py
@@ -15,10 +15,10 @@
 
 import uuid
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.identity import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/identity/admin/v2/test_tenants.py b/tempest/api/identity/admin/v2/test_tenants.py
index cfd3d7f..f828f66 100644
--- a/tempest/api/identity/admin/v2/test_tenants.py
+++ b/tempest/api/identity/admin/v2/test_tenants.py
@@ -14,9 +14,9 @@
 #    under the License.
 
 from six import moves
-from tempest_lib.common.utils import data_utils
 
 from tempest.api.identity import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/identity/admin/v2/test_tokens.py b/tempest/api/identity/admin/v2/test_tokens.py
index ee2530b..66d00d1 100644
--- a/tempest/api/identity/admin/v2/test_tokens.py
+++ b/tempest/api/identity/admin/v2/test_tokens.py
@@ -13,9 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.identity import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/identity/admin/v2/test_users.py b/tempest/api/identity/admin/v2/test_users.py
index 8eac80c..bfbcfe7 100644
--- a/tempest/api/identity/admin/v2/test_users.py
+++ b/tempest/api/identity/admin/v2/test_users.py
@@ -13,10 +13,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from testtools import matchers
 
 from tempest.api.identity import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/identity/admin/v2/test_users_negative.py b/tempest/api/identity/admin/v2/test_users_negative.py
index 3c15006..85f7411 100644
--- a/tempest/api/identity/admin/v2/test_users_negative.py
+++ b/tempest/api/identity/admin/v2/test_users_negative.py
@@ -15,10 +15,10 @@
 
 import uuid
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.identity import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/identity/admin/v3/test_credentials.py b/tempest/api/identity/admin/v3/test_credentials.py
index 98ab093..662d06c 100644
--- a/tempest/api/identity/admin/v3/test_credentials.py
+++ b/tempest/api/identity/admin/v3/test_credentials.py
@@ -13,9 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.identity import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/identity/admin/v3/test_default_project_id.py b/tempest/api/identity/admin/v3/test_default_project_id.py
index 0b9d60e..98fff09 100644
--- a/tempest/api/identity/admin/v3/test_default_project_id.py
+++ b/tempest/api/identity/admin/v3/test_default_project_id.py
@@ -11,10 +11,10 @@
 #    under the License.
 
 from tempest_lib import auth
-from tempest_lib.common.utils import data_utils
 
 from tempest.api.identity import base
 from tempest import clients
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import manager
 from tempest import test
diff --git a/tempest/api/identity/admin/v3/test_domains.py b/tempest/api/identity/admin/v3/test_domains.py
index 94aab5b..5bfb981 100644
--- a/tempest/api/identity/admin/v3/test_domains.py
+++ b/tempest/api/identity/admin/v3/test_domains.py
@@ -14,11 +14,10 @@
 #    under the License.
 
 from tempest.api.identity import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
-from tempest_lib.common.utils import data_utils
-
 CONF = config.CONF
 
 
diff --git a/tempest/api/identity/admin/v3/test_endpoints.py b/tempest/api/identity/admin/v3/test_endpoints.py
index 9ca10a4..9a8104f 100644
--- a/tempest/api/identity/admin/v3/test_endpoints.py
+++ b/tempest/api/identity/admin/v3/test_endpoints.py
@@ -13,9 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.identity import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/identity/admin/v3/test_endpoints_negative.py b/tempest/api/identity/admin/v3/test_endpoints_negative.py
index 7972dbb..b043415 100644
--- a/tempest/api/identity/admin/v3/test_endpoints_negative.py
+++ b/tempest/api/identity/admin/v3/test_endpoints_negative.py
@@ -14,10 +14,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.identity import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/identity/admin/v3/test_groups.py b/tempest/api/identity/admin/v3/test_groups.py
index fed4dc2..88e2959 100644
--- a/tempest/api/identity/admin/v3/test_groups.py
+++ b/tempest/api/identity/admin/v3/test_groups.py
@@ -13,9 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.identity import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/identity/admin/v3/test_list_projects.py b/tempest/api/identity/admin/v3/test_list_projects.py
index d88b00d..12d80bb 100644
--- a/tempest/api/identity/admin/v3/test_list_projects.py
+++ b/tempest/api/identity/admin/v3/test_list_projects.py
@@ -13,9 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.identity import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/identity/admin/v3/test_list_users.py b/tempest/api/identity/admin/v3/test_list_users.py
index eeee3bb..d3d51b4 100644
--- a/tempest/api/identity/admin/v3/test_list_users.py
+++ b/tempest/api/identity/admin/v3/test_list_users.py
@@ -13,9 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.identity import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/identity/admin/v3/test_policies.py b/tempest/api/identity/admin/v3/test_policies.py
index 6c5599a..8b67945 100644
--- a/tempest/api/identity/admin/v3/test_policies.py
+++ b/tempest/api/identity/admin/v3/test_policies.py
@@ -13,9 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.identity import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/identity/admin/v3/test_projects.py b/tempest/api/identity/admin/v3/test_projects.py
index 41cf840..17712f3 100644
--- a/tempest/api/identity/admin/v3/test_projects.py
+++ b/tempest/api/identity/admin/v3/test_projects.py
@@ -13,9 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.identity import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/identity/admin/v3/test_projects_negative.py b/tempest/api/identity/admin/v3/test_projects_negative.py
index 37ec071..d5ee5a7 100644
--- a/tempest/api/identity/admin/v3/test_projects_negative.py
+++ b/tempest/api/identity/admin/v3/test_projects_negative.py
@@ -13,10 +13,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.identity import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/identity/admin/v3/test_regions.py b/tempest/api/identity/admin/v3/test_regions.py
index 986007a..7eb92bc 100644
--- a/tempest/api/identity/admin/v3/test_regions.py
+++ b/tempest/api/identity/admin/v3/test_regions.py
@@ -13,10 +13,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.identity import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/identity/admin/v3/test_roles.py b/tempest/api/identity/admin/v3/test_roles.py
index 7857e11..f58a5c5 100644
--- a/tempest/api/identity/admin/v3/test_roles.py
+++ b/tempest/api/identity/admin/v3/test_roles.py
@@ -13,9 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.identity import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/identity/admin/v3/test_services.py b/tempest/api/identity/admin/v3/test_services.py
index b2a75aa..95a7dcc 100644
--- a/tempest/api/identity/admin/v3/test_services.py
+++ b/tempest/api/identity/admin/v3/test_services.py
@@ -13,10 +13,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.identity import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/identity/admin/v3/test_tokens.py b/tempest/api/identity/admin/v3/test_tokens.py
index 41d67c7..951bc78 100644
--- a/tempest/api/identity/admin/v3/test_tokens.py
+++ b/tempest/api/identity/admin/v3/test_tokens.py
@@ -13,10 +13,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.identity import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/identity/admin/v3/test_trusts.py b/tempest/api/identity/admin/v3/test_trusts.py
index 8a2d797..1ac34eb 100644
--- a/tempest/api/identity/admin/v3/test_trusts.py
+++ b/tempest/api/identity/admin/v3/test_trusts.py
@@ -14,12 +14,12 @@
 import re
 
 from oslo_utils import timeutils
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.identity import base
 from tempest import clients
 from tempest.common import cred_provider
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/identity/admin/v3/test_users.py b/tempest/api/identity/admin/v3/test_users.py
index c2456c4..19cb24e 100644
--- a/tempest/api/identity/admin/v3/test_users.py
+++ b/tempest/api/identity/admin/v3/test_users.py
@@ -13,9 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.identity import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/identity/base.py b/tempest/api/identity/base.py
index 913e807..0654f37 100644
--- a/tempest/api/identity/base.py
+++ b/tempest/api/identity/base.py
@@ -14,10 +14,10 @@
 #    under the License.
 
 from oslo_log import log as logging
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.common import cred_provider
+from tempest.common.utils import data_utils
 from tempest import config
 import tempest.test
 
diff --git a/tempest/api/identity/v2/test_tokens.py b/tempest/api/identity/v2/test_tokens.py
index 5a8afa0..3b508f4 100644
--- a/tempest/api/identity/v2/test_tokens.py
+++ b/tempest/api/identity/v2/test_tokens.py
@@ -13,6 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from oslo_utils import timeutils
+import six
 from tempest.api.identity import base
 from tempest import test
 
@@ -30,9 +32,19 @@
         password = creds.password
         tenant_name = creds.tenant_name
 
-        body = token_client.auth(username,
-                                 password,
-                                 tenant_name)
+        body = token_client.auth(username, password, tenant_name)
 
+        self.assertNotEmpty(body['token']['id'])
+        self.assertIsInstance(body['token']['id'], six.string_types)
+
+        now = timeutils.utcnow()
+        expires_at = timeutils.normalize_time(
+            timeutils.parse_isotime(body['token']['expires']))
+        self.assertGreater(expires_at, now)
+
+        self.assertEqual(body['token']['tenant']['id'],
+                         creds.credentials.tenant_id)
         self.assertEqual(body['token']['tenant']['name'],
                          tenant_name)
+
+        self.assertEqual(body['user']['id'], creds.credentials.user_id)
diff --git a/tempest/api/identity/v3/test_tokens.py b/tempest/api/identity/v3/test_tokens.py
index ab4a09f..3151763 100644
--- a/tempest/api/identity/v3/test_tokens.py
+++ b/tempest/api/identity/v3/test_tokens.py
@@ -13,6 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from oslo_utils import timeutils
+import six
 from tempest.api.identity import base
 from tempest import test
 
@@ -26,8 +28,25 @@
         user_id = creds.user_id
         username = creds.username
         password = creds.password
-        resp = self.non_admin_token.auth(user_id=user_id,
-                                         password=password)
 
-        subject_name = resp['token']['user']['name']
+        token_id, resp = self.non_admin_token.get_token(user_id=user_id,
+                                                        password=password,
+                                                        auth_data=True)
+
+        self.assertNotEmpty(token_id)
+        self.assertIsInstance(token_id, six.string_types)
+
+        now = timeutils.utcnow()
+        expires_at = timeutils.normalize_time(
+            timeutils.parse_isotime(resp['expires_at']))
+        self.assertGreater(resp['expires_at'],
+                           resp['issued_at'])
+        self.assertGreater(expires_at, now)
+
+        subject_id = resp['user']['id']
+        self.assertEqual(subject_id, user_id)
+
+        subject_name = resp['user']['name']
         self.assertEqual(subject_name, username)
+
+        self.assertEqual(resp['methods'][0], 'password')
diff --git a/tempest/api/image/base.py b/tempest/api/image/base.py
index dc38cab..87013db 100644
--- a/tempest/api/image/base.py
+++ b/tempest/api/image/base.py
@@ -14,9 +14,9 @@
 
 from oslo_log import log as logging
 from six import moves
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
+from tempest.common.utils import data_utils
 from tempest import config
 import tempest.test
 
diff --git a/tempest/api/image/v1/test_image_members_negative.py b/tempest/api/image/v1/test_image_members_negative.py
index df0e88a..50f5048 100644
--- a/tempest/api/image/v1/test_image_members_negative.py
+++ b/tempest/api/image/v1/test_image_members_negative.py
@@ -12,10 +12,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.image import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/image/v1/test_images.py b/tempest/api/image/v1/test_images.py
index 3f71fcb..8beed32 100644
--- a/tempest/api/image/v1/test_images.py
+++ b/tempest/api/image/v1/test_images.py
@@ -14,9 +14,9 @@
 #    under the License.
 
 from six import moves
-from tempest_lib.common.utils import data_utils
 
 from tempest.api.image import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/image/v2/test_images.py b/tempest/api/image/v2/test_images.py
index 2859cfe..20e9bca 100644
--- a/tempest/api/image/v2/test_images.py
+++ b/tempest/api/image/v2/test_images.py
@@ -17,9 +17,9 @@
 import random
 
 from six import moves
-from tempest_lib.common.utils import data_utils
 
 from tempest.api.image import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/image/v2/test_images_member.py b/tempest/api/image/v2/test_images_member.py
index d497005..d89803d 100644
--- a/tempest/api/image/v2/test_images_member.py
+++ b/tempest/api/image/v2/test_images_member.py
@@ -89,3 +89,19 @@
     def test_get_image_members_schema(self):
         body = self.os_img_client.show_schema("members")
         self.assertEqual("members", body['name'])
+
+    @test.idempotent_id('cb961424-3f68-4d21-8e36-30ad66fb6bfb')
+    def test_get_private_image(self):
+        image_id = self._create_image()
+        member = self.os_img_client.add_image_member(image_id,
+                                                     self.alt_tenant_id)
+        self.assertEqual(member['member_id'], self.alt_tenant_id)
+        self.assertEqual(member['image_id'], image_id)
+        self.assertEqual(member['status'], 'pending')
+        self.assertNotIn(image_id, self._list_image_ids_as_alt())
+        self.alt_img_client.update_image_member(image_id,
+                                                self.alt_tenant_id,
+                                                {'status': 'accepted'})
+        self.assertIn(image_id, self._list_image_ids_as_alt())
+        self.os_img_client.remove_image_member(image_id, self.alt_tenant_id)
+        self.assertNotIn(image_id, self._list_image_ids_as_alt())
diff --git a/tempest/api/image/v2/test_images_tags.py b/tempest/api/image/v2/test_images_tags.py
index e38136e..42a4b87 100644
--- a/tempest/api/image/v2/test_images_tags.py
+++ b/tempest/api/image/v2/test_images_tags.py
@@ -12,9 +12,8 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.image import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/image/v2/test_images_tags_negative.py b/tempest/api/image/v2/test_images_tags_negative.py
index 571b1f7..a3f4ca8 100644
--- a/tempest/api/image/v2/test_images_tags_negative.py
+++ b/tempest/api/image/v2/test_images_tags_negative.py
@@ -14,10 +14,10 @@
 
 import uuid
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.image import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/messaging/base.py b/tempest/api/messaging/base.py
index 34ac860..64a7fd5 100644
--- a/tempest/api/messaging/base.py
+++ b/tempest/api/messaging/base.py
@@ -14,8 +14,8 @@
 # limitations under the License.
 
 from oslo_log import log as logging
-from tempest_lib.common.utils import data_utils
 
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/messaging/test_claims.py b/tempest/api/messaging/test_claims.py
index 34e1fe8..e54bed1 100644
--- a/tempest/api/messaging/test_claims.py
+++ b/tempest/api/messaging/test_claims.py
@@ -16,10 +16,10 @@
 import logging
 
 from six.moves.urllib import parse as urlparse
-from tempest_lib.common.utils import data_utils
 from tempest_lib import decorators
 
 from tempest.api.messaging import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/messaging/test_messages.py b/tempest/api/messaging/test_messages.py
index c8640b3..efbbf56 100644
--- a/tempest/api/messaging/test_messages.py
+++ b/tempest/api/messaging/test_messages.py
@@ -15,9 +15,8 @@
 
 import logging
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.messaging import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/messaging/test_queues.py b/tempest/api/messaging/test_queues.py
index a3541b3..df49663 100644
--- a/tempest/api/messaging/test_queues.py
+++ b/tempest/api/messaging/test_queues.py
@@ -16,11 +16,11 @@
 import logging
 
 from six import moves
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 from testtools import matchers
 
 from tempest.api.messaging import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/network/admin/test_external_network_extension.py b/tempest/api/network/admin/test_external_network_extension.py
index 75f2719..d942641 100644
--- a/tempest/api/network/admin/test_external_network_extension.py
+++ b/tempest/api/network/admin/test_external_network_extension.py
@@ -10,9 +10,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.network import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/network/admin/test_floating_ips_admin_actions.py b/tempest/api/network/admin/test_floating_ips_admin_actions.py
index d4e94ca..dfe7307 100644
--- a/tempest/api/network/admin/test_floating_ips_admin_actions.py
+++ b/tempest/api/network/admin/test_floating_ips_admin_actions.py
@@ -13,9 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.network import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/network/admin/test_l3_agent_scheduler.py b/tempest/api/network/admin/test_l3_agent_scheduler.py
index 38d68c2..d5556b8 100644
--- a/tempest/api/network/admin/test_l3_agent_scheduler.py
+++ b/tempest/api/network/admin/test_l3_agent_scheduler.py
@@ -12,9 +12,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.network import base
+from tempest.common.utils import data_utils
 from tempest import exceptions
 from tempest import test
 
diff --git a/tempest/api/network/admin/test_quotas.py b/tempest/api/network/admin/test_quotas.py
index f6046d3..cb113a7 100644
--- a/tempest/api/network/admin/test_quotas.py
+++ b/tempest/api/network/admin/test_quotas.py
@@ -14,9 +14,9 @@
 #    under the License.
 
 import six
-from tempest_lib.common.utils import data_utils
 
 from tempest.api.network import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/network/admin/test_routers_dvr.py b/tempest/api/network/admin/test_routers_dvr.py
index e2075db..9e2d080 100644
--- a/tempest/api/network/admin/test_routers_dvr.py
+++ b/tempest/api/network/admin/test_routers_dvr.py
@@ -13,9 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.network import base_routers as base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/network/base.py b/tempest/api/network/base.py
index bbefc25..fda8fc3 100644
--- a/tempest/api/network/base.py
+++ b/tempest/api/network/base.py
@@ -15,9 +15,9 @@
 
 import netaddr
 from oslo_log import log as logging
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import exceptions
 import tempest.test
diff --git a/tempest/api/network/base_security_groups.py b/tempest/api/network/base_security_groups.py
index 6699bf7..1cef2cc 100644
--- a/tempest/api/network/base_security_groups.py
+++ b/tempest/api/network/base_security_groups.py
@@ -13,9 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.network import base
+from tempest.common.utils import data_utils
 
 
 class BaseSecGroupTest(base.BaseNetworkTest):
diff --git a/tempest/api/network/test_dhcp_ipv6.py b/tempest/api/network/test_dhcp_ipv6.py
index 5d798e3..f362f85 100644
--- a/tempest/api/network/test_dhcp_ipv6.py
+++ b/tempest/api/network/test_dhcp_ipv6.py
@@ -17,10 +17,10 @@
 import random
 
 import six
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.network import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/network/test_extra_dhcp_options.py b/tempest/api/network/test_extra_dhcp_options.py
index 72ac821..87e3413 100644
--- a/tempest/api/network/test_extra_dhcp_options.py
+++ b/tempest/api/network/test_extra_dhcp_options.py
@@ -13,9 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.network import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/network/test_floating_ips.py b/tempest/api/network/test_floating_ips.py
index 57dab5f..f0923d2 100644
--- a/tempest/api/network/test_floating_ips.py
+++ b/tempest/api/network/test_floating_ips.py
@@ -14,9 +14,9 @@
 #    under the License.
 
 import netaddr
-from tempest_lib.common.utils import data_utils
 
 from tempest.api.network import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/network/test_floating_ips_negative.py b/tempest/api/network/test_floating_ips_negative.py
index 8790102..e8624d8 100644
--- a/tempest/api/network/test_floating_ips_negative.py
+++ b/tempest/api/network/test_floating_ips_negative.py
@@ -14,10 +14,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.network import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/network/test_metering_extensions.py b/tempest/api/network/test_metering_extensions.py
index 68bc3cd..ee0dcb0 100644
--- a/tempest/api/network/test_metering_extensions.py
+++ b/tempest/api/network/test_metering_extensions.py
@@ -13,9 +13,9 @@
 # under the License.
 
 from oslo_log import log as logging
-from tempest_lib.common.utils import data_utils
 
 from tempest.api.network import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/network/test_networks.py b/tempest/api/network/test_networks.py
index 7a96f34..842a56d 100644
--- a/tempest/api/network/test_networks.py
+++ b/tempest/api/network/test_networks.py
@@ -16,11 +16,11 @@
 
 import netaddr
 import six
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.network import base
 from tempest.common import custom_matchers
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/network/test_networks_negative.py b/tempest/api/network/test_networks_negative.py
index ae530c2..5dc1c21 100644
--- a/tempest/api/network/test_networks_negative.py
+++ b/tempest/api/network/test_networks_negative.py
@@ -14,10 +14,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.network import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
@@ -57,3 +57,38 @@
         non_exist_id = data_utils.rand_name('network')
         self.assertRaises(lib_exc.NotFound, self.client.delete_network,
                           non_exist_id)
+
+    @test.attr(type=['negative'])
+    @test.idempotent_id('1cc47884-ac52-4415-a31c-e7ce5474a868')
+    def test_update_non_existent_subnet(self):
+        non_exist_id = data_utils.rand_uuid()
+        self.assertRaises(lib_exc.NotFound, self.client.update_subnet,
+                          non_exist_id, name='new_name')
+
+    @test.attr(type=['negative'])
+    @test.idempotent_id('a176c859-99fb-42ec-a208-8a85b552a239')
+    def test_delete_non_existent_subnet(self):
+        non_exist_id = data_utils.rand_uuid()
+        self.assertRaises(lib_exc.NotFound,
+                          self.client.delete_subnet, non_exist_id)
+
+    @test.attr(type=['negative'])
+    @test.idempotent_id('13d3b106-47e6-4b9b-8d53-dae947f092fe')
+    def test_create_port_on_non_existent_network(self):
+        non_exist_net_id = data_utils.rand_uuid()
+        self.assertRaises(lib_exc.NotFound,
+                          self.client.create_port, network_id=non_exist_net_id)
+
+    @test.attr(type=['negative'])
+    @test.idempotent_id('cf8eef21-4351-4f53-adcd-cc5cb1e76b92')
+    def test_update_non_existent_port(self):
+        non_exist_port_id = data_utils.rand_uuid()
+        self.assertRaises(lib_exc.NotFound, self.client.update_port,
+                          non_exist_port_id, name='new_name')
+
+    @test.attr(type=['negative'])
+    @test.idempotent_id('49ec2bbd-ac2e-46fd-8054-798e679ff894')
+    def test_delete_non_existent_port(self):
+        non_exist_port_id = data_utils.rand_uuid()
+        self.assertRaises(lib_exc.NotFound,
+                          self.client.delete_port, non_exist_port_id)
diff --git a/tempest/api/network/test_ports.py b/tempest/api/network/test_ports.py
index 29600c5..4f54562 100644
--- a/tempest/api/network/test_ports.py
+++ b/tempest/api/network/test_ports.py
@@ -16,11 +16,11 @@
 import socket
 
 import netaddr
-from tempest_lib.common.utils import data_utils
 
 from tempest.api.network import base
 from tempest.api.network import base_security_groups as sec_base
 from tempest.common import custom_matchers
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
@@ -344,8 +344,6 @@
         super(PortsAdminExtendedAttrsTestJSON, cls).resource_setup()
         cls.network = cls.create_network()
         cls.host_id = socket.gethostname()
-        cls.tenant = cls.identity_client.get_tenant_by_name(
-            CONF.identity.tenant_name)
 
     @test.idempotent_id('8e8569c1-9ac7-44db-8bc1-f5fb2814f29b')
     def test_create_port_binding_ext_attr(self):
diff --git a/tempest/api/network/test_routers.py b/tempest/api/network/test_routers.py
index 35072b4..50671d0 100644
--- a/tempest/api/network/test_routers.py
+++ b/tempest/api/network/test_routers.py
@@ -15,9 +15,9 @@
 
 import netaddr
 import six
-from tempest_lib.common.utils import data_utils
 
 from tempest.api.network import base_routers as base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/network/test_routers_negative.py b/tempest/api/network/test_routers_negative.py
index d2afcba..90da6fd 100644
--- a/tempest/api/network/test_routers_negative.py
+++ b/tempest/api/network/test_routers_negative.py
@@ -14,10 +14,10 @@
 #    under the License.
 
 import netaddr
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.network import base_routers as base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/network/test_security_groups.py b/tempest/api/network/test_security_groups.py
index 05f0de4..ccc5232 100644
--- a/tempest/api/network/test_security_groups.py
+++ b/tempest/api/network/test_security_groups.py
@@ -14,9 +14,9 @@
 #    under the License.
 
 import six
-from tempest_lib.common.utils import data_utils
 
 from tempest.api.network import base_security_groups as base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/object_storage/test_account_quotas.py b/tempest/api/object_storage/test_account_quotas.py
index bbdf367..78707d8 100644
--- a/tempest/api/object_storage/test_account_quotas.py
+++ b/tempest/api/object_storage/test_account_quotas.py
@@ -12,9 +12,8 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.object_storage import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/object_storage/test_account_quotas_negative.py b/tempest/api/object_storage/test_account_quotas_negative.py
index e945e1e..2bf331a 100644
--- a/tempest/api/object_storage/test_account_quotas_negative.py
+++ b/tempest/api/object_storage/test_account_quotas_negative.py
@@ -12,11 +12,11 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import decorators
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.object_storage import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/object_storage/test_account_services.py b/tempest/api/object_storage/test_account_services.py
index ac41148..6bab9b3 100644
--- a/tempest/api/object_storage/test_account_services.py
+++ b/tempest/api/object_storage/test_account_services.py
@@ -16,11 +16,11 @@
 import random
 
 from six import moves
-from tempest_lib.common.utils import data_utils
 import testtools
 
 from tempest.api.object_storage import base
 from tempest.common import custom_matchers
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/object_storage/test_container_acl.py b/tempest/api/object_storage/test_container_acl.py
index 4df813d..c1b6711 100644
--- a/tempest/api/object_storage/test_container_acl.py
+++ b/tempest/api/object_storage/test_container_acl.py
@@ -13,9 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.object_storage import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/object_storage/test_container_acl_negative.py b/tempest/api/object_storage/test_container_acl_negative.py
index 1c42e97..3bb47f0 100644
--- a/tempest/api/object_storage/test_container_acl_negative.py
+++ b/tempest/api/object_storage/test_container_acl_negative.py
@@ -12,10 +12,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.object_storage import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/object_storage/test_container_quotas.py b/tempest/api/object_storage/test_container_quotas.py
index 2217d18..c78b4c3 100644
--- a/tempest/api/object_storage/test_container_quotas.py
+++ b/tempest/api/object_storage/test_container_quotas.py
@@ -13,10 +13,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.object_storage import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/object_storage/test_container_staticweb.py b/tempest/api/object_storage/test_container_staticweb.py
index 20452ab..4b4b499 100644
--- a/tempest/api/object_storage/test_container_staticweb.py
+++ b/tempest/api/object_storage/test_container_staticweb.py
@@ -12,11 +12,11 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.object_storage import base
 from tempest.common import custom_matchers
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/object_storage/test_container_sync.py b/tempest/api/object_storage/test_container_sync.py
index 06e700b..0e39b7e 100644
--- a/tempest/api/object_storage/test_container_sync.py
+++ b/tempest/api/object_storage/test_container_sync.py
@@ -16,12 +16,12 @@
 import time
 
 from six.moves.urllib import parse as urlparse
-from tempest_lib.common.utils import data_utils
 from tempest_lib import decorators
 import testtools
 
 
 from tempest.api.object_storage import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/object_storage/test_object_expiry.py b/tempest/api/object_storage/test_object_expiry.py
index b263050..1c9d582 100644
--- a/tempest/api/object_storage/test_object_expiry.py
+++ b/tempest/api/object_storage/test_object_expiry.py
@@ -13,11 +13,11 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 import time
 
 from tempest.api.object_storage import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/object_storage/test_object_formpost.py b/tempest/api/object_storage/test_object_formpost.py
index ce587d7..356f560 100644
--- a/tempest/api/object_storage/test_object_formpost.py
+++ b/tempest/api/object_storage/test_object_formpost.py
@@ -17,9 +17,9 @@
 import time
 
 from six.moves.urllib import parse as urlparse
-from tempest_lib.common.utils import data_utils
 
 from tempest.api.object_storage import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/object_storage/test_object_formpost_negative.py b/tempest/api/object_storage/test_object_formpost_negative.py
index 89deca2..7d9e115 100644
--- a/tempest/api/object_storage/test_object_formpost_negative.py
+++ b/tempest/api/object_storage/test_object_formpost_negative.py
@@ -17,10 +17,10 @@
 import time
 
 from six.moves.urllib import parse as urlparse
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.object_storage import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/object_storage/test_object_services.py b/tempest/api/object_storage/test_object_services.py
index 3396d8f..2198753 100644
--- a/tempest/api/object_storage/test_object_services.py
+++ b/tempest/api/object_storage/test_object_services.py
@@ -21,10 +21,10 @@
 
 import six
 from six import moves
-from tempest_lib.common.utils import data_utils
 
 from tempest.api.object_storage import base
 from tempest.common import custom_matchers
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/object_storage/test_object_slo.py b/tempest/api/object_storage/test_object_slo.py
index 6fc7821..5811cb8 100644
--- a/tempest/api/object_storage/test_object_slo.py
+++ b/tempest/api/object_storage/test_object_slo.py
@@ -13,13 +13,13 @@
 #    under the License.
 
 import hashlib
-import json
 
-from tempest_lib.common.utils import data_utils
+from oslo_serialization import jsonutils as json
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.object_storage import base
 from tempest.common import custom_matchers
+from tempest.common.utils import data_utils
 from tempest import test
 
 # Each segment, except for the final one, must be at least 1 megabyte
diff --git a/tempest/api/object_storage/test_object_temp_url.py b/tempest/api/object_storage/test_object_temp_url.py
index 8748269..3d28f6e 100644
--- a/tempest/api/object_storage/test_object_temp_url.py
+++ b/tempest/api/object_storage/test_object_temp_url.py
@@ -17,9 +17,9 @@
 import time
 
 from six.moves.urllib import parse as urlparse
-from tempest_lib.common.utils import data_utils
 
 from tempest.api.object_storage import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/object_storage/test_object_temp_url_negative.py b/tempest/api/object_storage/test_object_temp_url_negative.py
index 233cced..6d06143 100644
--- a/tempest/api/object_storage/test_object_temp_url_negative.py
+++ b/tempest/api/object_storage/test_object_temp_url_negative.py
@@ -17,10 +17,10 @@
 import time
 
 from six.moves.urllib import parse as urlparse
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.object_storage import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/object_storage/test_object_version.py b/tempest/api/object_storage/test_object_version.py
index 923166a..24ec3f5 100644
--- a/tempest/api/object_storage/test_object_version.py
+++ b/tempest/api/object_storage/test_object_version.py
@@ -15,9 +15,8 @@
 
 import testtools
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.object_storage import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/orchestration/base.py b/tempest/api/orchestration/base.py
index af97794..266f726 100644
--- a/tempest/api/orchestration/base.py
+++ b/tempest/api/orchestration/base.py
@@ -13,10 +13,10 @@
 import os.path
 
 from oslo_log import log as logging
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 import yaml
 
+from tempest.common.utils import data_utils
 from tempest import config
 import tempest.test
 
diff --git a/tempest/api/orchestration/stacks/test_environment.py b/tempest/api/orchestration/stacks/test_environment.py
index ecb824b..0416bc7 100644
--- a/tempest/api/orchestration/stacks/test_environment.py
+++ b/tempest/api/orchestration/stacks/test_environment.py
@@ -12,9 +12,8 @@
 
 import logging
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.orchestration import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/orchestration/stacks/test_limits.py b/tempest/api/orchestration/stacks/test_limits.py
index 4291d76..bb5b89d 100644
--- a/tempest/api/orchestration/stacks/test_limits.py
+++ b/tempest/api/orchestration/stacks/test_limits.py
@@ -12,10 +12,10 @@
 
 import logging
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.orchestration import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/orchestration/stacks/test_neutron_resources.py b/tempest/api/orchestration/stacks/test_neutron_resources.py
index 6d40ee1..b27d6c9 100644
--- a/tempest/api/orchestration/stacks/test_neutron_resources.py
+++ b/tempest/api/orchestration/stacks/test_neutron_resources.py
@@ -14,10 +14,10 @@
 import logging
 
 import netaddr
-from tempest_lib.common.utils import data_utils
 
 from tempest.api.orchestration import base
 from tempest import clients
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import exceptions
 from tempest import test
diff --git a/tempest/api/orchestration/stacks/test_non_empty_stack.py b/tempest/api/orchestration/stacks/test_non_empty_stack.py
index bffc306..494b6fd 100644
--- a/tempest/api/orchestration/stacks/test_non_empty_stack.py
+++ b/tempest/api/orchestration/stacks/test_non_empty_stack.py
@@ -12,9 +12,8 @@
 
 import logging
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.orchestration import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/orchestration/stacks/test_nova_keypair_resources.py b/tempest/api/orchestration/stacks/test_nova_keypair_resources.py
index c79c3c3..6a04dbd 100644
--- a/tempest/api/orchestration/stacks/test_nova_keypair_resources.py
+++ b/tempest/api/orchestration/stacks/test_nova_keypair_resources.py
@@ -13,9 +13,8 @@
 
 import logging
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.orchestration import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/orchestration/stacks/test_soft_conf.py b/tempest/api/orchestration/stacks/test_soft_conf.py
index 13f0a6c..34d93e4 100644
--- a/tempest/api/orchestration/stacks/test_soft_conf.py
+++ b/tempest/api/orchestration/stacks/test_soft_conf.py
@@ -11,10 +11,10 @@
 #    under the License.
 
 from oslo_log import log as logging
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.orchestration import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/orchestration/stacks/test_stacks.py b/tempest/api/orchestration/stacks/test_stacks.py
index 9ce8ebeb..abec906 100644
--- a/tempest/api/orchestration/stacks/test_stacks.py
+++ b/tempest/api/orchestration/stacks/test_stacks.py
@@ -11,9 +11,9 @@
 #    under the License.
 
 from oslo_log import log as logging
-from tempest_lib.common.utils import data_utils
 
 from tempest.api.orchestration import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/orchestration/stacks/test_swift_resources.py b/tempest/api/orchestration/stacks/test_swift_resources.py
index dadabfa..30166df 100644
--- a/tempest/api/orchestration/stacks/test_swift_resources.py
+++ b/tempest/api/orchestration/stacks/test_swift_resources.py
@@ -13,9 +13,8 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.orchestration import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/orchestration/stacks/test_templates.py b/tempest/api/orchestration/stacks/test_templates.py
index 5ccfdfb..9154175 100644
--- a/tempest/api/orchestration/stacks/test_templates.py
+++ b/tempest/api/orchestration/stacks/test_templates.py
@@ -10,9 +10,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.orchestration import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/orchestration/stacks/test_volumes.py b/tempest/api/orchestration/stacks/test_volumes.py
index f40ca02..d8f117e 100644
--- a/tempest/api/orchestration/stacks/test_volumes.py
+++ b/tempest/api/orchestration/stacks/test_volumes.py
@@ -12,10 +12,10 @@
 
 import logging
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.orchestration import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/telemetry/base.py b/tempest/api/telemetry/base.py
index cce8e2a..3be807b 100644
--- a/tempest/api/telemetry/base.py
+++ b/tempest/api/telemetry/base.py
@@ -13,9 +13,9 @@
 import time
 
 from oslo_utils import timeutils
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import exceptions
 import tempest.test
diff --git a/tempest/api/telemetry/test_telemetry_alarming_api.py b/tempest/api/telemetry/test_telemetry_alarming_api.py
index 99b5c37..13da9cb 100644
--- a/tempest/api/telemetry/test_telemetry_alarming_api.py
+++ b/tempest/api/telemetry/test_telemetry_alarming_api.py
@@ -10,10 +10,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.telemetry import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/volume/admin/test_multi_backend.py b/tempest/api/volume/admin/test_multi_backend.py
index b8047b2..c7e989d 100644
--- a/tempest/api/volume/admin/test_multi_backend.py
+++ b/tempest/api/volume/admin/test_multi_backend.py
@@ -11,9 +11,9 @@
 #    under the License.
 
 from oslo_log import log as logging
-from tempest_lib.common.utils import data_utils
 
 from tempest.api.volume import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/volume/admin/test_snapshots_actions.py b/tempest/api/volume/admin/test_snapshots_actions.py
index b885f7d..c860b4b 100644
--- a/tempest/api/volume/admin/test_snapshots_actions.py
+++ b/tempest/api/volume/admin/test_snapshots_actions.py
@@ -13,9 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.volume import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/volume/admin/test_volume_quotas.py b/tempest/api/volume/admin/test_volume_quotas.py
index ec8e040..1a48204 100644
--- a/tempest/api/volume/admin/test_volume_quotas.py
+++ b/tempest/api/volume/admin/test_volume_quotas.py
@@ -13,9 +13,9 @@
 #    under the License.
 
 import six
-from tempest_lib.common.utils import data_utils
 
 from tempest.api.volume import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 QUOTA_KEYS = ['gigabytes', 'snapshots', 'volumes']
diff --git a/tempest/api/volume/admin/test_volume_types.py b/tempest/api/volume/admin/test_volume_types.py
index ea9864e..b79c185 100644
--- a/tempest/api/volume/admin/test_volume_types.py
+++ b/tempest/api/volume/admin/test_volume_types.py
@@ -13,9 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.volume import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/volume/admin/test_volume_types_extra_specs.py b/tempest/api/volume/admin/test_volume_types_extra_specs.py
index 2feb062..c840697 100644
--- a/tempest/api/volume/admin/test_volume_types_extra_specs.py
+++ b/tempest/api/volume/admin/test_volume_types_extra_specs.py
@@ -13,9 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.volume import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/volume/admin/test_volume_types_extra_specs_negative.py b/tempest/api/volume/admin/test_volume_types_extra_specs_negative.py
index a70a940..e49e8b2 100644
--- a/tempest/api/volume/admin/test_volume_types_extra_specs_negative.py
+++ b/tempest/api/volume/admin/test_volume_types_extra_specs_negative.py
@@ -15,10 +15,10 @@
 
 import uuid
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.volume import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/volume/admin/test_volumes_actions.py b/tempest/api/volume/admin/test_volumes_actions.py
index 8a30a10..4288d58 100644
--- a/tempest/api/volume/admin/test_volumes_actions.py
+++ b/tempest/api/volume/admin/test_volumes_actions.py
@@ -13,9 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils as utils
-
 from tempest.api.volume import base
+from tempest.common.utils import data_utils as utils
 from tempest import test
 
 
diff --git a/tempest/api/volume/admin/test_volumes_backup.py b/tempest/api/volume/admin/test_volumes_backup.py
index 8b85da3..2c545a7 100644
--- a/tempest/api/volume/admin/test_volumes_backup.py
+++ b/tempest/api/volume/admin/test_volumes_backup.py
@@ -14,9 +14,9 @@
 #    under the License.
 
 from oslo_log import log as logging
-from tempest_lib.common.utils import data_utils
 
 from tempest.api.volume import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/volume/base.py b/tempest/api/volume/base.py
index 7f56b18..f8ae5eb 100644
--- a/tempest/api/volume/base.py
+++ b/tempest/api/volume/base.py
@@ -14,10 +14,10 @@
 #    under the License.
 
 from oslo_log import log as logging
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.common import fixed_network
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import exceptions
 import tempest.test
diff --git a/tempest/api/volume/test_qos.py b/tempest/api/volume/test_qos.py
index 863a698..84fd7f6 100644
--- a/tempest/api/volume/test_qos.py
+++ b/tempest/api/volume/test_qos.py
@@ -12,9 +12,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils as utils
-
 from tempest.api.volume import base
+from tempest.common.utils import data_utils as utils
 from tempest import test
 
 
diff --git a/tempest/api/volume/test_volumes_actions.py b/tempest/api/volume/test_volumes_actions.py
index 375d34a..0ebcf3a 100644
--- a/tempest/api/volume/test_volumes_actions.py
+++ b/tempest/api/volume/test_volumes_actions.py
@@ -13,9 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
 from tempest.api.volume import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 import testtools
diff --git a/tempest/api/volume/test_volumes_get.py b/tempest/api/volume/test_volumes_get.py
index 8337f8d..29c21ed 100644
--- a/tempest/api/volume/test_volumes_get.py
+++ b/tempest/api/volume/test_volumes_get.py
@@ -13,10 +13,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
 from testtools import matchers
 
 from tempest.api.volume import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/volume/test_volumes_list.py b/tempest/api/volume/test_volumes_list.py
index da0d5aa..3847877 100644
--- a/tempest/api/volume/test_volumes_list.py
+++ b/tempest/api/volume/test_volumes_list.py
@@ -16,10 +16,10 @@
 import operator
 
 from oslo_log import log as logging
-from tempest_lib.common.utils import data_utils
 from testtools import matchers
 
 from tempest.api.volume import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 LOG = logging.getLogger(__name__)
diff --git a/tempest/api/volume/test_volumes_negative.py b/tempest/api/volume/test_volumes_negative.py
index 6fbad44..9269cfb 100644
--- a/tempest/api/volume/test_volumes_negative.py
+++ b/tempest/api/volume/test_volumes_negative.py
@@ -15,10 +15,10 @@
 
 import uuid
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.volume import base
+from tempest.common.utils import data_utils
 from tempest import test
 
 
diff --git a/tempest/api/volume/test_volumes_snapshots.py b/tempest/api/volume/test_volumes_snapshots.py
index 550c3b6..340f019 100644
--- a/tempest/api/volume/test_volumes_snapshots.py
+++ b/tempest/api/volume/test_volumes_snapshots.py
@@ -11,9 +11,9 @@
 #    under the License.
 
 from oslo_log import log as logging
-from tempest_lib.common.utils import data_utils
 
 from tempest.api.volume import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/volume/test_volumes_snapshots_negative.py b/tempest/api/volume/test_volumes_snapshots_negative.py
index 77f8552..b604360 100644
--- a/tempest/api/volume/test_volumes_snapshots_negative.py
+++ b/tempest/api/volume/test_volumes_snapshots_negative.py
@@ -12,10 +12,10 @@
 
 import uuid
 
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.volume import base
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
diff --git a/tempest/api/volume/v2/test_volumes_list.py b/tempest/api/volume/v2/test_volumes_list.py
index 4c774da..d1eb694 100644
--- a/tempest/api/volume/v2/test_volumes_list.py
+++ b/tempest/api/volume/v2/test_volumes_list.py
@@ -14,6 +14,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from six.moves.urllib import parse
+
 from tempest.api.volume import base
 from tempest import test
 
@@ -87,3 +89,101 @@
 
         _list_details_with_multiple_params()
         _list_details_with_multiple_params(sort_dir='desc')
+
+    def _test_pagination(self, resource, ids=None, limit=1, **kwargs):
+        """Check list pagination functionality for a resource.
+
+        This method requests the list of resources and follows pagination
+        links.
+
+        If an iterable is supplied in ids it will check that all ids are
+        retrieved and that only those are listed, that we will get a next
+        link for an empty page if the number of items is divisible by used
+        limit (this is expected behavior).
+
+        We can specify number of items per request using limit argument.
+        """
+
+        # Get list method for the type of resource from the client
+        client = getattr(self, resource + '_client')
+        method = getattr(client, 'list_' + resource)
+
+        # Include limit in params for list request
+        params = kwargs.pop('params', {})
+        params['limit'] = limit
+
+        # Store remaining items we are expecting from list
+        if ids is not None:
+            remaining = list(ids)
+        else:
+            remaining = None
+
+        # Mark that we are not comming from a next link
+        next = None
+
+        while True:
+            # Get a list page
+            response = method(return_body=True, params=params, **kwargs)
+
+            # If we have to check ids
+            if remaining is not None:
+                # Confirm we receive expected number of elements
+                num_expected = min(len(remaining), limit)
+                self.assertEqual(num_expected, len(response[resource]),
+                                 'Requested %(#expect)d but got %(#received)d '
+                                 % {'#expect': num_expected,
+                                    '#received': len(response[resource])})
+
+                # For each received element
+                for element in response[resource]:
+                    element_id = element['id']
+                    # Check it's one of expected ids
+                    self.assertIn(element_id,
+                                  ids,
+                                  'Id %(id)s is not in expected ids %(ids)s' %
+                                  {'id': element_id, 'ids': ids})
+                    # If not in remaining, we have received it twice
+                    self.assertIn(element_id,
+                                  remaining,
+                                  'Id %s was received twice' % element_id)
+                    # We no longer expect it
+                    remaining.remove(element_id)
+
+            # If we come from a next link check that absolute url is the same
+            # as the one used for this request
+            if next:
+                self.assertEqual(next, response.response['content-location'])
+
+            # Get next from response
+            next = None
+            for link in response.get(resource + '_links', ()):
+                if link['rel'] == 'next':
+                    next = link['href']
+                    break
+
+            # Check if we have next and we shouldn't or the other way around
+            if remaining is not None:
+                if remaining or (num_expected and len(ids) % limit == 0):
+                    self.assertIsNotNone(next, 'Missing link to next page')
+                else:
+                    self.assertIsNone(next, 'Unexpected link to next page')
+
+            # If we can follow to the next page, get params from url to make
+            # request in the form of a relative URL
+            if next:
+                params = parse.urlparse(next).query
+
+            # If cannot follow make sure it's because we have finished
+            else:
+                self.assertListEqual([], remaining or [],
+                                     'No more pages reported, but still '
+                                     'missing ids %s' % remaining)
+                break
+
+    @test.idempotent_id('e9138a2c-f67b-4796-8efa-635c196d01de')
+    def test_volume_list_details_pagination(self):
+        self._test_pagination('volumes', ids=self.volume_id_list, detail=True)
+
+    @test.idempotent_id('af55e775-8e4b-4feb-8719-215c43b0238c')
+    def test_volume_list_pagination(self):
+        self._test_pagination('volumes', ids=self.volume_id_list, detail=False)
diff --git a/tempest/api_schema/response/compute/v2_1/fixed_ips.py b/tempest/api_schema/response/compute/v2_1/fixed_ips.py
index 6d5ba67..3586b70 100644
--- a/tempest/api_schema/response/compute/v2_1/fixed_ips.py
+++ b/tempest/api_schema/response/compute/v2_1/fixed_ips.py
@@ -12,6 +12,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from tempest.api_schema.response.compute.v2_1 import parameter_types
+
 get_fixed_ip = {
     'status_code': [200],
     'response_body': {
@@ -20,10 +22,7 @@
             'fixed_ip': {
                 'type': 'object',
                 'properties': {
-                    'address': {
-                        'type': 'string',
-                        'format': 'ip-address'
-                    },
+                    'address': parameter_types.ip_address,
                     'cidr': {'type': 'string'},
                     'host': {'type': 'string'},
                     'hostname': {'type': 'string'}
diff --git a/tempest/api_schema/response/compute/v2_1/floating_ips.py b/tempest/api_schema/response/compute/v2_1/floating_ips.py
index 28dd40a..3551681 100644
--- a/tempest/api_schema/response/compute/v2_1/floating_ips.py
+++ b/tempest/api_schema/response/compute/v2_1/floating_ips.py
@@ -12,6 +12,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from tempest.api_schema.response.compute.v2_1 import parameter_types
+
 common_floating_ip_info = {
     'type': 'object',
     'properties': {
@@ -21,14 +23,8 @@
         'id': {'type': ['integer', 'string']},
         'pool': {'type': ['string', 'null']},
         'instance_id': {'type': ['string', 'null']},
-        'ip': {
-            'type': 'string',
-            'format': 'ip-address'
-        },
-        'fixed_ip': {
-            'type': ['string', 'null'],
-            'format': 'ip-address'
-        }
+        'ip': parameter_types.ip_address,
+        'fixed_ip': parameter_types.ip_address
     },
     'additionalProperties': False,
     'required': ['id', 'pool', 'instance_id',
@@ -131,18 +127,12 @@
                 'items': {
                     'type': 'object',
                     'properties': {
-                        'address': {
-                            'type': 'string',
-                            'format': 'ip-address'
-                        },
+                        'address': parameter_types.ip_address,
                         'instance_uuid': {'type': ['string', 'null']},
                         'interface': {'type': ['string', 'null']},
                         'pool': {'type': ['string', 'null']},
                         'project_id': {'type': ['string', 'null']},
-                        'fixed_ip': {
-                            'type': ['string', 'null'],
-                            'format': 'ip-address'
-                        }
+                        'fixed_ip': parameter_types.ip_address
                     },
                     'additionalProperties': False,
                     # NOTE: fixed_ip is introduced after JUNO release,
diff --git a/tempest/api_schema/response/compute/v2_1/hypervisors.py b/tempest/api_schema/response/compute/v2_1/hypervisors.py
index e24389d..05901b6 100644
--- a/tempest/api_schema/response/compute/v2_1/hypervisors.py
+++ b/tempest/api_schema/response/compute/v2_1/hypervisors.py
@@ -14,6 +14,8 @@
 
 import copy
 
+from tempest.api_schema.response.compute.v2_1 import parameter_types
+
 get_hypervisor_statistics = {
     'status_code': [200],
     'response_body': {
@@ -57,10 +59,7 @@
         'cpu_info': {'type': 'string'},
         'current_workload': {'type': 'integer'},
         'disk_available_least': {'type': ['integer', 'null']},
-        'host_ip': {
-            'type': 'string',
-            'format': 'ip-address'
-        },
+        'host_ip': parameter_types.ip_address,
         'free_disk_gb': {'type': 'integer'},
         'free_ram_mb': {'type': 'integer'},
         'hypervisor_hostname': {'type': 'string'},
diff --git a/tempest/api_schema/response/compute/v2_1/interfaces.py b/tempest/api_schema/response/compute/v2_1/interfaces.py
index b18fba6..130775b 100644
--- a/tempest/api_schema/response/compute/v2_1/interfaces.py
+++ b/tempest/api_schema/response/compute/v2_1/interfaces.py
@@ -27,10 +27,7 @@
                         'type': 'string',
                         'format': 'uuid'
                     },
-                    'ip_address': {
-                        'type': 'string',
-                        'format': 'ipv4'
-                    }
+                    'ip_address': parameter_types.ip_address
                 },
                 'additionalProperties': False,
                 'required': ['subnet_id', 'ip_address']
diff --git a/tempest/api_schema/response/compute/v2_1/parameter_types.py b/tempest/api_schema/response/compute/v2_1/parameter_types.py
index 7b4264c..07cc890 100644
--- a/tempest/api_schema/response/compute/v2_1/parameter_types.py
+++ b/tempest/api_schema/response/compute/v2_1/parameter_types.py
@@ -33,14 +33,27 @@
     'pattern': '(?:[a-f0-9]{2}:){5}[a-f0-9]{2}'
 }
 
+ip_address = {
+    'oneOf': [
+        {
+            'type': 'string',
+            'oneOf': [
+                {'format': 'ipv4'},
+                {'format': 'ipv6'}
+            ]
+        },
+        {'type': 'null'}
+    ]
+}
+
 access_ip_v4 = {
     'type': 'string',
-    'anyOf': [{'format': 'ipv4'}, {'enum': ['']}]
+    'oneOf': [{'format': 'ipv4'}, {'enum': ['']}]
 }
 
 access_ip_v6 = {
     'type': 'string',
-    'anyOf': [{'format': 'ipv6'}, {'enum': ['']}]
+    'oneOf': [{'format': 'ipv6'}, {'enum': ['']}]
 }
 
 addresses = {
@@ -55,7 +68,7 @@
                     'version': {'type': 'integer'},
                     'addr': {
                         'type': 'string',
-                        'anyOf': [
+                        'oneOf': [
                             {'format': 'ipv4'},
                             {'format': 'ipv6'}
                         ]
diff --git a/tempest/clients.py b/tempest/clients.py
index f0aedd5..6a2c601 100644
--- a/tempest/clients.py
+++ b/tempest/clients.py
@@ -25,117 +25,123 @@
 from tempest import exceptions
 from tempest import manager
 from tempest.services.baremetal.v1.json.baremetal_client import \
-    BaremetalClientJSON
+    BaremetalClient
 from tempest.services import botoclients
 from tempest.services.compute.json.agents_client import \
-    AgentsClientJSON
+    AgentsClient
 from tempest.services.compute.json.aggregates_client import \
-    AggregatesClientJSON
+    AggregatesClient
 from tempest.services.compute.json.availability_zone_client import \
-    AvailabilityZoneClientJSON
+    AvailabilityZoneClient
 from tempest.services.compute.json.baremetal_nodes_client import \
-    BaremetalNodesClientJSON
+    BaremetalNodesClient
 from tempest.services.compute.json.certificates_client import \
-    CertificatesClientJSON
+    CertificatesClient
 from tempest.services.compute.json.extensions_client import \
-    ExtensionsClientJSON
-from tempest.services.compute.json.fixed_ips_client import FixedIPsClientJSON
-from tempest.services.compute.json.flavors_client import FlavorsClientJSON
+    ExtensionsClient
+from tempest.services.compute.json.fixed_ips_client import FixedIPsClient
+from tempest.services.compute.json.flavors_client import FlavorsClient
+from tempest.services.compute.json.floating_ip_pools_client import \
+    FloatingIpPoolsClient
+from tempest.services.compute.json.floating_ips_bulk_client import \
+    FloatingIpsBulkClient
 from tempest.services.compute.json.floating_ips_client import \
-    FloatingIPsClientJSON
-from tempest.services.compute.json.hosts_client import HostsClientJSON
+    FloatingIPsClient
+from tempest.services.compute.json.hosts_client import HostsClient
 from tempest.services.compute.json.hypervisor_client import \
-    HypervisorClientJSON
-from tempest.services.compute.json.images_client import ImagesClientJSON
+    HypervisorClient
+from tempest.services.compute.json.images_client import ImagesClient
 from tempest.services.compute.json.instance_usage_audit_log_client import \
-    InstanceUsagesAuditLogClientJSON
+    InstanceUsagesAuditLogClient
 from tempest.services.compute.json.interfaces_client import \
-    InterfacesClientJSON
-from tempest.services.compute.json.keypairs_client import KeyPairsClientJSON
-from tempest.services.compute.json.limits_client import LimitsClientJSON
+    InterfacesClient
+from tempest.services.compute.json.keypairs_client import KeyPairsClient
+from tempest.services.compute.json.limits_client import LimitsClient
 from tempest.services.compute.json.migrations_client import \
-    MigrationsClientJSON
-from tempest.services.compute.json.networks_client import NetworksClientJSON
+    MigrationsClient
+from tempest.services.compute.json.networks_client import NetworksClient
 from tempest.services.compute.json.quota_classes_client import \
-    QuotaClassesClientJSON
-from tempest.services.compute.json.quotas_client import QuotasClientJSON
+    QuotaClassesClient
+from tempest.services.compute.json.quotas_client import QuotasClient
 from tempest.services.compute.json.security_group_default_rules_client import \
-    SecurityGroupDefaultRulesClientJSON
+    SecurityGroupDefaultRulesClient
 from tempest.services.compute.json.security_groups_client import \
-    SecurityGroupsClientJSON
-from tempest.services.compute.json.servers_client import ServersClientJSON
-from tempest.services.compute.json.services_client import ServicesClientJSON
+    SecurityGroupsClient
+from tempest.services.compute.json.server_groups_client import \
+    ServerGroupsClient
+from tempest.services.compute.json.servers_client import ServersClient
+from tempest.services.compute.json.services_client import ServicesClient
 from tempest.services.compute.json.tenant_networks_client import \
-    TenantNetworksClientJSON
+    TenantNetworksClient
 from tempest.services.compute.json.tenant_usages_client import \
-    TenantUsagesClientJSON
+    TenantUsagesClient
 from tempest.services.compute.json.volumes_extensions_client import \
-    VolumesExtensionsClientJSON
+    VolumesExtensionsClient
 from tempest.services.data_processing.v1_1.data_processing_client import \
     DataProcessingClient
 from tempest.services.database.json.flavors_client import \
-    DatabaseFlavorsClientJSON
+    DatabaseFlavorsClient
 from tempest.services.database.json.limits_client import \
-    DatabaseLimitsClientJSON
+    DatabaseLimitsClient
 from tempest.services.database.json.versions_client import \
-    DatabaseVersionsClientJSON
+    DatabaseVersionsClient
 from tempest.services.identity.v2.json.identity_client import \
-    IdentityClientJSON
+    IdentityClient
 from tempest.services.identity.v3.json.credentials_client import \
-    CredentialsClientJSON
+    CredentialsClient
 from tempest.services.identity.v3.json.endpoints_client import \
-    EndPointClientJSON
+    EndPointClient
 from tempest.services.identity.v3.json.identity_client import \
-    IdentityV3ClientJSON
-from tempest.services.identity.v3.json.policy_client import PolicyClientJSON
-from tempest.services.identity.v3.json.region_client import RegionClientJSON
+    IdentityV3Client
+from tempest.services.identity.v3.json.policy_client import PolicyClient
+from tempest.services.identity.v3.json.region_client import RegionClient
 from tempest.services.identity.v3.json.service_client import \
-    ServiceClientJSON
-from tempest.services.image.v1.json.image_client import ImageClientJSON
-from tempest.services.image.v2.json.image_client import ImageClientV2JSON
+    ServiceClient
+from tempest.services.image.v1.json.image_client import ImageClient
+from tempest.services.image.v2.json.image_client import ImageClientV2
 from tempest.services.messaging.json.messaging_client import \
-    MessagingClientJSON
-from tempest.services.network.json.network_client import NetworkClientJSON
+    MessagingClient
+from tempest.services.network.json.network_client import NetworkClient
 from tempest.services.object_storage.account_client import AccountClient
 from tempest.services.object_storage.container_client import ContainerClient
 from tempest.services.object_storage.object_client import ObjectClient
 from tempest.services.orchestration.json.orchestration_client import \
     OrchestrationClient
 from tempest.services.telemetry.json.telemetry_client import \
-    TelemetryClientJSON
+    TelemetryClient
 from tempest.services.volume.json.admin.volume_hosts_client import \
-    VolumeHostsClientJSON
+    VolumeHostsClient
 from tempest.services.volume.json.admin.volume_quotas_client import \
-    VolumeQuotasClientJSON
+    VolumeQuotasClient
 from tempest.services.volume.json.admin.volume_services_client import \
-    VolumesServicesClientJSON
+    VolumesServicesClient
 from tempest.services.volume.json.admin.volume_types_client import \
-    VolumeTypesClientJSON
+    VolumeTypesClient
 from tempest.services.volume.json.availability_zone_client import \
-    VolumeAvailabilityZoneClientJSON
-from tempest.services.volume.json.backups_client import BackupsClientJSON
+    VolumeAvailabilityZoneClient
+from tempest.services.volume.json.backups_client import BackupsClient
 from tempest.services.volume.json.extensions_client import \
-    ExtensionsClientJSON as VolumeExtensionClientJSON
-from tempest.services.volume.json.qos_client import QosSpecsClientJSON
-from tempest.services.volume.json.snapshots_client import SnapshotsClientJSON
-from tempest.services.volume.json.volumes_client import VolumesClientJSON
+    ExtensionsClient as VolumeExtensionClient
+from tempest.services.volume.json.qos_client import QosSpecsClient
+from tempest.services.volume.json.snapshots_client import SnapshotsClient
+from tempest.services.volume.json.volumes_client import VolumesClient
 from tempest.services.volume.v2.json.admin.volume_hosts_client import \
-    VolumeHostsV2ClientJSON
+    VolumeHostsV2Client
 from tempest.services.volume.v2.json.admin.volume_quotas_client import \
     VolumeQuotasV2Client
 from tempest.services.volume.v2.json.admin.volume_services_client import \
-    VolumesServicesV2ClientJSON
+    VolumesServicesV2Client
 from tempest.services.volume.v2.json.admin.volume_types_client import \
-    VolumeTypesV2ClientJSON
+    VolumeTypesV2Client
 from tempest.services.volume.v2.json.availability_zone_client import \
-    VolumeV2AvailabilityZoneClientJSON
-from tempest.services.volume.v2.json.backups_client import BackupsClientV2JSON
+    VolumeV2AvailabilityZoneClient
+from tempest.services.volume.v2.json.backups_client import BackupsClientV2
 from tempest.services.volume.v2.json.extensions_client import \
-    ExtensionsV2ClientJSON as VolumeV2ExtensionClientJSON
-from tempest.services.volume.v2.json.qos_client import QosSpecsV2ClientJSON
+    ExtensionsV2Client as VolumeV2ExtensionClient
+from tempest.services.volume.v2.json.qos_client import QosSpecsV2Client
 from tempest.services.volume.v2.json.snapshots_client import \
-    SnapshotsV2ClientJSON
-from tempest.services.volume.v2.json.volumes_client import VolumesV2ClientJSON
+    SnapshotsV2Client
+from tempest.services.volume.v2.json.volumes_client import VolumesV2Client
 
 CONF = config.CONF
 LOG = logging.getLogger(__name__)
@@ -171,13 +177,13 @@
         self._set_volume_clients()
         self._set_object_storage_clients()
 
-        self.baremetal_client = BaremetalClientJSON(
+        self.baremetal_client = BaremetalClient(
             self.auth_provider,
             CONF.baremetal.catalog_type,
             CONF.identity.region,
             endpoint_type=CONF.baremetal.endpoint_type,
             **self.default_params_with_timeout_values)
-        self.network_client = NetworkClientJSON(
+        self.network_client = NetworkClient(
             self.auth_provider,
             CONF.network.catalog_type,
             CONF.network.region or CONF.identity.region,
@@ -185,20 +191,20 @@
             build_interval=CONF.network.build_interval,
             build_timeout=CONF.network.build_timeout,
             **self.default_params)
-        self.messaging_client = MessagingClientJSON(
+        self.messaging_client = MessagingClient(
             self.auth_provider,
             CONF.messaging.catalog_type,
             CONF.identity.region,
             **self.default_params_with_timeout_values)
         if CONF.service_available.ceilometer:
-            self.telemetry_client = TelemetryClientJSON(
+            self.telemetry_client = TelemetryClient(
                 self.auth_provider,
                 CONF.telemetry.catalog_type,
                 CONF.identity.region,
                 endpoint_type=CONF.telemetry.endpoint_type,
                 **self.default_params_with_timeout_values)
         if CONF.service_available.glance:
-            self.image_client = ImageClientJSON(
+            self.image_client = ImageClient(
                 self.auth_provider,
                 CONF.image.catalog_type,
                 CONF.image.region or CONF.identity.region,
@@ -206,7 +212,7 @@
                 build_interval=CONF.image.build_interval,
                 build_timeout=CONF.image.build_timeout,
                 **self.default_params)
-            self.image_client_v2 = ImageClientV2JSON(
+            self.image_client_v2 = ImageClientV2(
                 self.auth_provider,
                 CONF.image.catalog_type,
                 CONF.image.region or CONF.identity.region,
@@ -250,51 +256,57 @@
         }
         params.update(self.default_params)
 
-        self.agents_client = AgentsClientJSON(self.auth_provider, **params)
-        self.networks_client = NetworksClientJSON(self.auth_provider, **params)
-        self.migrations_client = MigrationsClientJSON(self.auth_provider,
-                                                      **params)
+        self.agents_client = AgentsClient(self.auth_provider, **params)
+        self.networks_client = NetworksClient(self.auth_provider, **params)
+        self.migrations_client = MigrationsClient(self.auth_provider,
+                                                  **params)
         self.security_group_default_rules_client = (
-            SecurityGroupDefaultRulesClientJSON(self.auth_provider, **params))
-        self.certificates_client = CertificatesClientJSON(self.auth_provider,
-                                                          **params)
-        self.servers_client = ServersClientJSON(
+            SecurityGroupDefaultRulesClient(self.auth_provider, **params))
+        self.certificates_client = CertificatesClient(self.auth_provider,
+                                                      **params)
+        self.servers_client = ServersClient(
             self.auth_provider,
             enable_instance_password=CONF.compute_feature_enabled
                 .enable_instance_password,
             **params)
-        self.limits_client = LimitsClientJSON(self.auth_provider, **params)
-        self.images_client = ImagesClientJSON(self.auth_provider, **params)
-        self.keypairs_client = KeyPairsClientJSON(self.auth_provider, **params)
-        self.quotas_client = QuotasClientJSON(self.auth_provider, **params)
-        self.quota_classes_client = QuotaClassesClientJSON(self.auth_provider,
-                                                           **params)
-        self.flavors_client = FlavorsClientJSON(self.auth_provider, **params)
-        self.extensions_client = ExtensionsClientJSON(self.auth_provider,
-                                                      **params)
-        self.floating_ips_client = FloatingIPsClientJSON(self.auth_provider,
-                                                         **params)
-        self.security_groups_client = SecurityGroupsClientJSON(
+        self.server_groups_client = ServerGroupsClient(
             self.auth_provider, **params)
-        self.interfaces_client = InterfacesClientJSON(self.auth_provider,
-                                                      **params)
-        self.fixed_ips_client = FixedIPsClientJSON(self.auth_provider,
-                                                   **params)
-        self.availability_zone_client = AvailabilityZoneClientJSON(
+        self.limits_client = LimitsClient(self.auth_provider, **params)
+        self.images_client = ImagesClient(self.auth_provider, **params)
+        self.keypairs_client = KeyPairsClient(self.auth_provider, **params)
+        self.quotas_client = QuotasClient(self.auth_provider, **params)
+        self.quota_classes_client = QuotaClassesClient(self.auth_provider,
+                                                       **params)
+        self.flavors_client = FlavorsClient(self.auth_provider, **params)
+        self.extensions_client = ExtensionsClient(self.auth_provider,
+                                                  **params)
+        self.floating_ip_pools_client = FloatingIpPoolsClient(
             self.auth_provider, **params)
-        self.aggregates_client = AggregatesClientJSON(self.auth_provider,
-                                                      **params)
-        self.services_client = ServicesClientJSON(self.auth_provider, **params)
-        self.tenant_usages_client = TenantUsagesClientJSON(self.auth_provider,
-                                                           **params)
-        self.hosts_client = HostsClientJSON(self.auth_provider, **params)
-        self.hypervisor_client = HypervisorClientJSON(self.auth_provider,
-                                                      **params)
+        self.floating_ips_bulk_client = FloatingIpsBulkClient(
+            self.auth_provider, **params)
+        self.floating_ips_client = FloatingIPsClient(self.auth_provider,
+                                                     **params)
+        self.security_groups_client = SecurityGroupsClient(
+            self.auth_provider, **params)
+        self.interfaces_client = InterfacesClient(self.auth_provider,
+                                                  **params)
+        self.fixed_ips_client = FixedIPsClient(self.auth_provider,
+                                               **params)
+        self.availability_zone_client = AvailabilityZoneClient(
+            self.auth_provider, **params)
+        self.aggregates_client = AggregatesClient(self.auth_provider,
+                                                  **params)
+        self.services_client = ServicesClient(self.auth_provider, **params)
+        self.tenant_usages_client = TenantUsagesClient(self.auth_provider,
+                                                       **params)
+        self.hosts_client = HostsClient(self.auth_provider, **params)
+        self.hypervisor_client = HypervisorClient(self.auth_provider,
+                                                  **params)
         self.instance_usages_audit_log_client = \
-            InstanceUsagesAuditLogClientJSON(self.auth_provider, **params)
+            InstanceUsagesAuditLogClient(self.auth_provider, **params)
         self.tenant_networks_client = \
-            TenantNetworksClientJSON(self.auth_provider, **params)
-        self.baremetal_nodes_client = BaremetalNodesClientJSON(
+            TenantNetworksClient(self.auth_provider, **params)
+        self.baremetal_nodes_client = BaremetalNodesClient(
             self.auth_provider, **params)
 
         # NOTE: The following client needs special timeout values because
@@ -304,22 +316,22 @@
             'build_interval': CONF.volume.build_interval,
             'build_timeout': CONF.volume.build_timeout
         })
-        self.volumes_extensions_client = VolumesExtensionsClientJSON(
+        self.volumes_extensions_client = VolumesExtensionsClient(
             self.auth_provider, default_volume_size=CONF.volume.volume_size,
             **params_volume)
 
     def _set_database_clients(self):
-        self.database_flavors_client = DatabaseFlavorsClientJSON(
+        self.database_flavors_client = DatabaseFlavorsClient(
             self.auth_provider,
             CONF.database.catalog_type,
             CONF.identity.region,
             **self.default_params_with_timeout_values)
-        self.database_limits_client = DatabaseLimitsClientJSON(
+        self.database_limits_client = DatabaseLimitsClient(
             self.auth_provider,
             CONF.database.catalog_type,
             CONF.identity.region,
             **self.default_params_with_timeout_values)
-        self.database_versions_client = DatabaseVersionsClientJSON(
+        self.database_versions_client = DatabaseVersionsClient(
             self.auth_provider,
             CONF.database.catalog_type,
             CONF.identity.region,
@@ -333,17 +345,17 @@
         }
         params.update(self.default_params_with_timeout_values)
 
-        self.identity_client = IdentityClientJSON(self.auth_provider,
-                                                  **params)
-        self.identity_v3_client = IdentityV3ClientJSON(self.auth_provider,
-                                                       **params)
-        self.endpoints_client = EndPointClientJSON(self.auth_provider,
+        self.identity_client = IdentityClient(self.auth_provider,
+                                              **params)
+        self.identity_v3_client = IdentityV3Client(self.auth_provider,
                                                    **params)
-        self.service_client = ServiceClientJSON(self.auth_provider, **params)
-        self.policy_client = PolicyClientJSON(self.auth_provider, **params)
-        self.region_client = RegionClientJSON(self.auth_provider, **params)
-        self.credentials_client = CredentialsClientJSON(self.auth_provider,
-                                                        **params)
+        self.endpoints_client = EndPointClient(self.auth_provider,
+                                               **params)
+        self.service_client = ServiceClient(self.auth_provider, **params)
+        self.policy_client = PolicyClient(self.auth_provider, **params)
+        self.region_client = RegionClient(self.auth_provider, **params)
+        self.credentials_client = CredentialsClient(self.auth_provider,
+                                                    **params)
         # Token clients do not use the catalog. They only need default_params.
         # They read auth_url, so they should only be set if the corresponding
         # API version is marked as enabled
@@ -372,46 +384,46 @@
         }
         params.update(self.default_params)
 
-        self.volume_qos_client = QosSpecsClientJSON(self.auth_provider,
-                                                    **params)
-        self.volume_qos_v2_client = QosSpecsV2ClientJSON(
+        self.volume_qos_client = QosSpecsClient(self.auth_provider,
+                                                **params)
+        self.volume_qos_v2_client = QosSpecsV2Client(
             self.auth_provider, **params)
-        self.volume_services_v2_client = VolumesServicesV2ClientJSON(
+        self.volume_services_v2_client = VolumesServicesV2Client(
             self.auth_provider, **params)
-        self.backups_client = BackupsClientJSON(self.auth_provider, **params)
-        self.backups_v2_client = BackupsClientV2JSON(self.auth_provider,
+        self.backups_client = BackupsClient(self.auth_provider, **params)
+        self.backups_v2_client = BackupsClientV2(self.auth_provider,
+                                                 **params)
+        self.snapshots_client = SnapshotsClient(self.auth_provider,
+                                                **params)
+        self.snapshots_v2_client = SnapshotsV2Client(self.auth_provider,
                                                      **params)
-        self.snapshots_client = SnapshotsClientJSON(self.auth_provider,
-                                                    **params)
-        self.snapshots_v2_client = SnapshotsV2ClientJSON(self.auth_provider,
-                                                         **params)
-        self.volumes_client = VolumesClientJSON(
+        self.volumes_client = VolumesClient(
             self.auth_provider, default_volume_size=CONF.volume.volume_size,
             **params)
-        self.volumes_v2_client = VolumesV2ClientJSON(
+        self.volumes_v2_client = VolumesV2Client(
             self.auth_provider, default_volume_size=CONF.volume.volume_size,
             **params)
-        self.volume_types_client = VolumeTypesClientJSON(self.auth_provider,
-                                                         **params)
-        self.volume_services_client = VolumesServicesClientJSON(
+        self.volume_types_client = VolumeTypesClient(self.auth_provider,
+                                                     **params)
+        self.volume_services_client = VolumesServicesClient(
             self.auth_provider, **params)
-        self.volume_hosts_client = VolumeHostsClientJSON(self.auth_provider,
-                                                         **params)
-        self.volume_hosts_v2_client = VolumeHostsV2ClientJSON(
+        self.volume_hosts_client = VolumeHostsClient(self.auth_provider,
+                                                     **params)
+        self.volume_hosts_v2_client = VolumeHostsV2Client(
             self.auth_provider, **params)
-        self.volume_quotas_client = VolumeQuotasClientJSON(self.auth_provider,
-                                                           **params)
+        self.volume_quotas_client = VolumeQuotasClient(self.auth_provider,
+                                                       **params)
         self.volume_quotas_v2_client = VolumeQuotasV2Client(self.auth_provider,
                                                             **params)
-        self.volumes_extension_client = VolumeExtensionClientJSON(
+        self.volumes_extension_client = VolumeExtensionClient(
             self.auth_provider, **params)
-        self.volumes_v2_extension_client = VolumeV2ExtensionClientJSON(
+        self.volumes_v2_extension_client = VolumeV2ExtensionClient(
             self.auth_provider, **params)
         self.volume_availability_zone_client = \
-            VolumeAvailabilityZoneClientJSON(self.auth_provider, **params)
+            VolumeAvailabilityZoneClient(self.auth_provider, **params)
         self.volume_v2_availability_zone_client = \
-            VolumeV2AvailabilityZoneClientJSON(self.auth_provider, **params)
-        self.volume_types_v2_client = VolumeTypesV2ClientJSON(
+            VolumeV2AvailabilityZoneClient(self.auth_provider, **params)
+        self.volume_types_v2_client = VolumeTypesV2Client(
             self.auth_provider, **params)
 
     def _set_object_storage_clients(self):
diff --git a/tempest/cmd/account_generator.py b/tempest/cmd/account_generator.py
index fbfbbb7..0360146 100755
--- a/tempest/cmd/account_generator.py
+++ b/tempest/cmd/account_generator.py
@@ -128,7 +128,7 @@
         'build_interval': CONF.compute.build_interval,
         'build_timeout': CONF.compute.build_timeout
     }
-    identity_admin = identity_client.IdentityClientJSON(
+    identity_admin = identity_client.IdentityClient(
         _auth,
         CONF.identity.catalog_type,
         CONF.identity.region,
@@ -138,7 +138,7 @@
     network_admin = None
     if (CONF.service_available.neutron and
         CONF.auth.create_isolated_networks):
-        network_admin = network_client.NetworkClientJSON(
+        network_admin = network_client.NetworkClient(
             _auth,
             CONF.network.catalog_type,
             CONF.network.region or CONF.identity.region,
diff --git a/tempest/cmd/cleanup.py b/tempest/cmd/cleanup.py
index ed6716e..7898035 100755
--- a/tempest/cmd/cleanup.py
+++ b/tempest/cmd/cleanup.py
@@ -51,10 +51,10 @@
 Please run with **--help** to see full list of options.
 """
 import argparse
-import json
 import sys
 
 from oslo_log import log as logging
+from oslo_serialization import jsonutils as json
 
 from tempest import clients
 from tempest.cmd import cleanup_service
diff --git a/tempest/cmd/javelin.py b/tempest/cmd/javelin.py
index 499632c..f091cd3 100755
--- a/tempest/cmd/javelin.py
+++ b/tempest/cmd/javelin.py
@@ -188,25 +188,25 @@
         }
         _auth = auth.KeystoneV2AuthProvider(
             _creds, CONF.identity.uri, **auth_provider_params)
-        self.identity = identity_client.IdentityClientJSON(
+        self.identity = identity_client.IdentityClient(
             _auth,
             CONF.identity.catalog_type,
             CONF.identity.region,
             endpoint_type='adminURL',
             **default_params_with_timeout_values)
-        self.servers = servers_client.ServersClientJSON(_auth,
-                                                        **compute_params)
-        self.flavors = flavors_client.FlavorsClientJSON(_auth,
-                                                        **compute_params)
-        self.floating_ips = floating_ips_client.FloatingIPsClientJSON(
+        self.servers = servers_client.ServersClient(_auth,
+                                                    **compute_params)
+        self.flavors = flavors_client.FlavorsClient(_auth,
+                                                    **compute_params)
+        self.floating_ips = floating_ips_client.FloatingIPsClient(
             _auth, **compute_params)
-        self.secgroups = security_groups_client.SecurityGroupsClientJSON(
+        self.secgroups = security_groups_client.SecurityGroupsClient(
             _auth, **compute_params)
         self.objects = object_client.ObjectClient(_auth,
                                                   **object_storage_params)
         self.containers = container_client.ContainerClient(
             _auth, **object_storage_params)
-        self.images = image_client.ImageClientV2JSON(
+        self.images = image_client.ImageClientV2(
             _auth,
             CONF.image.catalog_type,
             CONF.image.region or CONF.identity.region,
@@ -214,13 +214,13 @@
             build_interval=CONF.image.build_interval,
             build_timeout=CONF.image.build_timeout,
             **default_params)
-        self.telemetry = telemetry_client.TelemetryClientJSON(
+        self.telemetry = telemetry_client.TelemetryClient(
             _auth,
             CONF.telemetry.catalog_type,
             CONF.identity.region,
             endpoint_type=CONF.telemetry.endpoint_type,
             **default_params_with_timeout_values)
-        self.volumes = volumes_client.VolumesClientJSON(
+        self.volumes = volumes_client.VolumesClient(
             _auth,
             CONF.volume.catalog_type,
             CONF.volume.region or CONF.identity.region,
@@ -228,7 +228,7 @@
             build_interval=CONF.volume.build_interval,
             build_timeout=CONF.volume.build_timeout,
             **default_params)
-        self.networks = network_client.NetworkClientJSON(
+        self.networks = network_client.NetworkClient(
             _auth,
             CONF.network.catalog_type,
             CONF.network.region or CONF.identity.region,
diff --git a/tempest/cmd/main.py b/tempest/cmd/main.py
new file mode 100644
index 0000000..762e982
--- /dev/null
+++ b/tempest/cmd/main.py
@@ -0,0 +1,52 @@
+# Copyright 2015 Dell Inc.
+# 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.
+
+import logging
+import sys
+
+from cliff import app
+from cliff import commandmanager
+
+TEMPEST_CLI_VERSION = '0.1'
+
+
+class Main(app.App):
+
+    log = logging.getLogger(__name__)
+
+    def __init__(self):
+        super(Main, self).__init__(
+            description='Tempest cli application',
+            version=TEMPEST_CLI_VERSION,
+            command_manager=commandmanager.CommandManager('tempest.cm'),
+            )
+
+    def initialize_app(self, argv):
+        self.log.debug('tempest initialize_app')
+
+    def prepare_to_run_command(self, cmd):
+        self.log.debug('prepare_to_run_command %s', cmd.__class__.__name__)
+
+    def clean_up(self, cmd, result, err):
+        self.log.debug('tempest clean_up %s', cmd.__class__.__name__)
+        if err:
+            self.log.debug('tempest got an error: %s', err)
+
+
+def main(argv=sys.argv[1:]):
+    the_app = Main()
+    return the_app.run(argv)
+
+
+if __name__ == '__main__':
+    sys.exit(main(sys.argv[1:]))
diff --git a/tempest/cmd/run_stress.py b/tempest/cmd/run_stress.py
index 06b338d..0448589 100755
--- a/tempest/cmd/run_stress.py
+++ b/tempest/cmd/run_stress.py
@@ -16,7 +16,6 @@
 
 import argparse
 import inspect
-import json
 import sys
 try:
     from unittest import loader
@@ -25,6 +24,7 @@
     from unittest2 import loader
 
 from oslo_log import log as logging
+from oslo_serialization import jsonutils as json
 from testtools import testsuite
 
 from tempest.stress import driver
diff --git a/tempest/cmd/verify_tempest_config.py b/tempest/cmd/verify_tempest_config.py
index 2269d41..9e7d894 100755
--- a/tempest/cmd/verify_tempest_config.py
+++ b/tempest/cmd/verify_tempest_config.py
@@ -15,11 +15,11 @@
 #    under the License.
 
 import argparse
-import json
 import os
 import sys
 
 import httplib2
+from oslo_serialization import jsonutils as json
 from six import moves
 from six.moves.urllib import parse as urlparse
 
diff --git a/tempest/common/fixed_network.py b/tempest/common/fixed_network.py
index de44c4d..9ec0ec6 100644
--- a/tempest/common/fixed_network.py
+++ b/tempest/common/fixed_network.py
@@ -27,7 +27,7 @@
     """Get a full network dict from just a network name
 
     :param str name: the name of the network to use
-    :param NetworksClientJSON compute_networks_client: The network client
+    :param NetworksClient compute_networks_client: The network client
         object to use for making the network lists api request
     :return: The full dictionary for the network in question
     :rtype: dict
diff --git a/tempest/common/glance_http.py b/tempest/common/glance_http.py
index 5cd844c..4be3da1 100644
--- a/tempest/common/glance_http.py
+++ b/tempest/common/glance_http.py
@@ -17,7 +17,6 @@
 
 import copy
 import hashlib
-import json
 import posixpath
 import re
 import socket
@@ -25,6 +24,7 @@
 
 import OpenSSL
 from oslo_log import log as logging
+from oslo_serialization import jsonutils as json
 import six
 from six import moves
 from six.moves import http_client as httplib
diff --git a/tempest/common/isolated_creds.py b/tempest/common/isolated_creds.py
index 5999d70..2102638 100644
--- a/tempest/common/isolated_creds.py
+++ b/tempest/common/isolated_creds.py
@@ -128,7 +128,7 @@
 
 
 def get_creds_client(identity_client, project_domain_name=None):
-    if isinstance(identity_client, v2_identity.IdentityClientJSON):
+    if isinstance(identity_client, v2_identity.IdentityClient):
         return V2CredsClient(identity_client)
     else:
         return V3CredsClient(identity_client, project_domain_name)
diff --git a/tempest/common/waiters.py b/tempest/common/waiters.py
index bdbd6bc..85a03cf 100644
--- a/tempest/common/waiters.py
+++ b/tempest/common/waiters.py
@@ -132,6 +132,27 @@
             raise exceptions.TimeoutException(message)
 
 
+def wait_for_volume_status(client, volume_id, status):
+    """Waits for a Volume to reach a given status."""
+    body = client.show_volume(volume_id)
+    volume_status = body['status']
+    start = int(time.time())
+
+    while volume_status != status:
+        time.sleep(client.build_interval)
+        body = client.show_volume(volume_id)
+        volume_status = body['status']
+        if volume_status == 'error':
+            raise exceptions.VolumeBuildErrorException(volume_id=volume_id)
+
+        if int(time.time()) - start >= client.build_timeout:
+            message = ('Volume %s failed to reach %s status (current %s) '
+                       'within the required time (%s s).' %
+                       (volume_id, status, volume_status,
+                        client.build_timeout))
+            raise exceptions.TimeoutException(message)
+
+
 def wait_for_bm_node_status(client, node_id, attr, status):
     """Waits for a baremetal node attribute to reach given status.
 
diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index 8541414..95a8356 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -19,11 +19,11 @@
 import netaddr
 from oslo_log import log
 import six
-from tempest_lib.common.utils import data_utils
 from tempest_lib.common.utils import misc as misc_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.common import fixed_network
+from tempest.common.utils import data_utils
 from tempest.common.utils.linux import remote_client
 from tempest import config
 from tempest import exceptions
@@ -559,27 +559,27 @@
 
     def _list_networks(self, *args, **kwargs):
         """List networks using admin creds """
-        return self._admin_lister('networks')(*args, **kwargs)
+        networks_list = self.admin_manager.network_client.list_networks(
+            *args, **kwargs)
+        return networks_list['networks']
 
     def _list_subnets(self, *args, **kwargs):
         """List subnets using admin creds """
-        return self._admin_lister('subnets')(*args, **kwargs)
+        subnets_list = self.admin_manager.network_client.list_subnets(
+            *args, **kwargs)
+        return subnets_list['subnets']
 
     def _list_routers(self, *args, **kwargs):
         """List routers using admin creds """
-        return self._admin_lister('routers')(*args, **kwargs)
+        routers_list = self.admin_manager.network_client.list_routers(
+            *args, **kwargs)
+        return routers_list['routers']
 
     def _list_ports(self, *args, **kwargs):
         """List ports using admin creds """
-        return self._admin_lister('ports')(*args, **kwargs)
-
-    def _admin_lister(self, resource_type):
-        def temp(*args, **kwargs):
-            temp_method = self.admin_manager.network_client.__getattr__(
-                'list_%s' % resource_type)
-            resource_list = temp_method(*args, **kwargs)
-            return resource_list[resource_type]
-        return temp
+        ports_list = self.admin_manager.network_client.list_ports(
+            *args, **kwargs)
+        return ports_list['ports']
 
     def _create_subnet(self, network, client=None, namestart='subnet-smoke',
                        **kwargs):
diff --git a/tempest/scenario/test_aggregates_basic_ops.py b/tempest/scenario/test_aggregates_basic_ops.py
index 0e158ed..02d1171 100644
--- a/tempest/scenario/test_aggregates_basic_ops.py
+++ b/tempest/scenario/test_aggregates_basic_ops.py
@@ -14,9 +14,9 @@
 #    under the License.
 
 from oslo_log import log as logging
-from tempest_lib.common.utils import data_utils
 
 from tempest.common import tempest_fixtures as fixtures
+from tempest.common.utils import data_utils
 from tempest.scenario import manager
 from tempest import test
 
diff --git a/tempest/scenario/test_large_ops.py b/tempest/scenario/test_large_ops.py
index 56d4c7d..1a18be5 100644
--- a/tempest/scenario/test_large_ops.py
+++ b/tempest/scenario/test_large_ops.py
@@ -14,10 +14,10 @@
 #    under the License.
 
 from oslo_log import log as logging
-from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
 from tempest.common import fixed_network
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest.scenario import manager
 from tempest import test
@@ -102,7 +102,7 @@
             **create_kwargs)
         # needed because of bug 1199788
         params = {'name': name}
-        server_list = self.servers_client.list_servers(params)
+        server_list = self.servers_client.list_servers(**params)
         self.servers = server_list['servers']
         for server in self.servers:
             # after deleting all servers - wait for all servers to clear
diff --git a/tempest/scenario/test_network_advanced_server_ops.py b/tempest/scenario/test_network_advanced_server_ops.py
index 3d6abff..c864379 100644
--- a/tempest/scenario/test_network_advanced_server_ops.py
+++ b/tempest/scenario/test_network_advanced_server_ops.py
@@ -14,9 +14,9 @@
 #    under the License.
 
 from oslo_log import log as logging
-from tempest_lib.common.utils import data_utils
 import testtools
 
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest.scenario import manager
 from tempest import test
diff --git a/tempest/scenario/test_network_basic_ops.py b/tempest/scenario/test_network_basic_ops.py
index 3274ce8..ff58eea 100644
--- a/tempest/scenario/test_network_basic_ops.py
+++ b/tempest/scenario/test_network_basic_ops.py
@@ -17,9 +17,9 @@
 import re
 
 from oslo_log import log as logging
-from tempest_lib.common.utils import data_utils
 import testtools
 
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import exceptions
 from tempest.scenario import manager
@@ -243,7 +243,7 @@
         self.assertEqual(1, len(port_list))
         old_port = port_list[0]
         interface = self.interface_client.create_interface(
-            server=server['id'],
+            server_id=server['id'],
             network_id=self.new_net.id)
         self.addCleanup(self.network_client.wait_for_resource_deletion,
                         'port',
diff --git a/tempest/scenario/test_security_groups_basic_ops.py b/tempest/scenario/test_security_groups_basic_ops.py
index 8ec10c7..18fd09d 100644
--- a/tempest/scenario/test_security_groups_basic_ops.py
+++ b/tempest/scenario/test_security_groups_basic_ops.py
@@ -14,9 +14,9 @@
 #    under the License.
 
 from oslo_log import log as logging
-from tempest_lib.common.utils import data_utils
 
 from tempest import clients
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest.scenario import manager
 from tempest import test
diff --git a/tempest/scenario/test_stamp_pattern.py b/tempest/scenario/test_stamp_pattern.py
index 51c4c59..c1d9a1b 100644
--- a/tempest/scenario/test_stamp_pattern.py
+++ b/tempest/scenario/test_stamp_pattern.py
@@ -16,11 +16,11 @@
 import time
 
 from oslo_log import log as logging
-from tempest_lib.common.utils import data_utils
 from tempest_lib import decorators
 from tempest_lib import exceptions as lib_exc
 import testtools
 
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import exceptions
 from tempest.scenario import manager
diff --git a/tempest/scenario/test_swift_telemetry_middleware.py b/tempest/scenario/test_swift_telemetry_middleware.py
index 302ccbe..29ce1a0 100644
--- a/tempest/scenario/test_swift_telemetry_middleware.py
+++ b/tempest/scenario/test_swift_telemetry_middleware.py
@@ -74,7 +74,7 @@
             called again.
             """
             results = self.telemetry_client.list_samples(
-                'storage.api.request')
+                'storage.objects.incoming.bytes')
             LOG.debug('got samples %s', results)
 
             # Extract container info from samples.
diff --git a/tempest/scenario/test_volume_boot_pattern.py b/tempest/scenario/test_volume_boot_pattern.py
index d321e85..102e9a3 100644
--- a/tempest/scenario/test_volume_boot_pattern.py
+++ b/tempest/scenario/test_volume_boot_pattern.py
@@ -11,8 +11,8 @@
 #    under the License.
 
 from oslo_log import log
-from tempest_lib.common.utils import data_utils
 
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest.scenario import manager
 from tempest import test
diff --git a/tempest/scenario/utils.py b/tempest/scenario/utils.py
index cd9d925..b1246d2 100644
--- a/tempest/scenario/utils.py
+++ b/tempest/scenario/utils.py
@@ -13,11 +13,11 @@
 #    under the License.
 
 
-import json
 import re
 import string
 import unicodedata
 
+from oslo_serialization import jsonutils as json
 from tempest_lib.common.utils import misc
 import testscenarios
 import testtools
diff --git a/tempest/services/baremetal/base.py b/tempest/services/baremetal/base.py
index 1461198..2ac3fb2 100644
--- a/tempest/services/baremetal/base.py
+++ b/tempest/services/baremetal/base.py
@@ -11,8 +11,8 @@
 #    under the License.
 
 import functools
-import json
 
+from oslo_serialization import jsonutils as json
 import six
 from six.moves.urllib import parse as urllib
 
diff --git a/tempest/services/baremetal/v1/json/baremetal_client.py b/tempest/services/baremetal/v1/json/baremetal_client.py
index 0c319f6..479402a 100644
--- a/tempest/services/baremetal/v1/json/baremetal_client.py
+++ b/tempest/services/baremetal/v1/json/baremetal_client.py
@@ -13,7 +13,7 @@
 from tempest.services.baremetal import base
 
 
-class BaremetalClientJSON(base.BaremetalClient):
+class BaremetalClient(base.BaremetalClient):
     """
     Base Tempest REST client for Ironic API v1.
     """
diff --git a/tempest/services/compute/json/agents_client.py b/tempest/services/compute/json/agents_client.py
index 4a91d7a..525946e 100644
--- a/tempest/services/compute/json/agents_client.py
+++ b/tempest/services/compute/json/agents_client.py
@@ -12,15 +12,14 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
-
+from oslo_serialization import jsonutils as json
 from six.moves.urllib import parse as urllib
 
 from tempest.api_schema.response.compute.v2_1 import agents as schema
 from tempest.common import service_client
 
 
-class AgentsClientJSON(service_client.ServiceClient):
+class AgentsClient(service_client.ServiceClient):
     """
     Tests Agents API
     """
diff --git a/tempest/services/compute/json/aggregates_client.py b/tempest/services/compute/json/aggregates_client.py
index 7afe7d7..28d4ff5 100644
--- a/tempest/services/compute/json/aggregates_client.py
+++ b/tempest/services/compute/json/aggregates_client.py
@@ -13,15 +13,14 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
-
+from oslo_serialization import jsonutils as json
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api_schema.response.compute.v2_1 import aggregates as schema
 from tempest.common import service_client
 
 
-class AggregatesClientJSON(service_client.ServiceClient):
+class AggregatesClient(service_client.ServiceClient):
 
     def list_aggregates(self):
         """Get aggregate list."""
diff --git a/tempest/services/compute/json/availability_zone_client.py b/tempest/services/compute/json/availability_zone_client.py
index 925d79f..c74fd10 100644
--- a/tempest/services/compute/json/availability_zone_client.py
+++ b/tempest/services/compute/json/availability_zone_client.py
@@ -13,14 +13,14 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
+from oslo_serialization import jsonutils as json
 
 from tempest.api_schema.response.compute.v2_1 import availability_zone \
     as schema
 from tempest.common import service_client
 
 
-class AvailabilityZoneClientJSON(service_client.ServiceClient):
+class AvailabilityZoneClient(service_client.ServiceClient):
 
     def list_availability_zones(self, detail=False):
         url = 'os-availability-zone'
diff --git a/tempest/services/compute/json/baremetal_nodes_client.py b/tempest/services/compute/json/baremetal_nodes_client.py
index d8f13c4..20be790 100644
--- a/tempest/services/compute/json/baremetal_nodes_client.py
+++ b/tempest/services/compute/json/baremetal_nodes_client.py
@@ -12,8 +12,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
-
+from oslo_serialization import jsonutils as json
 from six.moves.urllib import parse as urllib
 
 from tempest.api_schema.response.compute.v2_1 import baremetal_nodes \
@@ -21,7 +20,7 @@
 from tempest.common import service_client
 
 
-class BaremetalNodesClientJSON(service_client.ServiceClient):
+class BaremetalNodesClient(service_client.ServiceClient):
     """
     Tests Baremetal API
     """
diff --git a/tempest/services/compute/json/certificates_client.py b/tempest/services/compute/json/certificates_client.py
index 752a48e..c25b273 100644
--- a/tempest/services/compute/json/certificates_client.py
+++ b/tempest/services/compute/json/certificates_client.py
@@ -13,16 +13,16 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
+from oslo_serialization import jsonutils as json
 
 from tempest.api_schema.response.compute.v2_1 import certificates as schema
 from tempest.common import service_client
 
 
-class CertificatesClientJSON(service_client.ServiceClient):
+class CertificatesClient(service_client.ServiceClient):
 
-    def show_certificate(self, id):
-        url = "os-certificates/%s" % (id)
+    def show_certificate(self, certificate_id):
+        url = "os-certificates/%s" % certificate_id
         resp, body = self.get(url)
         body = json.loads(body)
         self.validate_response(schema.get_certificate, resp, body)
diff --git a/tempest/services/compute/json/extensions_client.py b/tempest/services/compute/json/extensions_client.py
index 265b381..da342a8 100644
--- a/tempest/services/compute/json/extensions_client.py
+++ b/tempest/services/compute/json/extensions_client.py
@@ -13,13 +13,13 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
+from oslo_serialization import jsonutils as json
 
 from tempest.api_schema.response.compute.v2_1 import extensions as schema
 from tempest.common import service_client
 
 
-class ExtensionsClientJSON(service_client.ServiceClient):
+class ExtensionsClient(service_client.ServiceClient):
 
     def list_extensions(self):
         url = 'extensions'
@@ -28,11 +28,6 @@
         self.validate_response(schema.list_extensions, resp, body)
         return service_client.ResponseBodyList(resp, body['extensions'])
 
-    def is_enabled(self, extension):
-        extensions = self.list_extensions()
-        exts = extensions['extensions']
-        return any([e for e in exts if e['name'] == extension])
-
     def show_extension(self, extension_alias):
         resp, body = self.get('extensions/%s' % extension_alias)
         body = json.loads(body)
diff --git a/tempest/services/compute/json/fixed_ips_client.py b/tempest/services/compute/json/fixed_ips_client.py
index 769bfdc..69de79f 100644
--- a/tempest/services/compute/json/fixed_ips_client.py
+++ b/tempest/services/compute/json/fixed_ips_client.py
@@ -13,24 +13,24 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
+from oslo_serialization import jsonutils as json
 
 from tempest.api_schema.response.compute.v2_1 import fixed_ips as schema
 from tempest.common import service_client
 
 
-class FixedIPsClientJSON(service_client.ServiceClient):
+class FixedIPsClient(service_client.ServiceClient):
 
     def show_fixed_ip(self, fixed_ip):
-        url = "os-fixed-ips/%s" % (fixed_ip)
+        url = "os-fixed-ips/%s" % fixed_ip
         resp, body = self.get(url)
         body = json.loads(body)
         self.validate_response(schema.get_fixed_ip, resp, body)
         return service_client.ResponseBody(resp, body['fixed_ip'])
 
-    def reserve_fixed_ip(self, ip, body):
+    def reserve_fixed_ip(self, fixed_ip, body):
         """This reserves and unreserves fixed ips."""
-        url = "os-fixed-ips/%s/action" % (ip)
+        url = "os-fixed-ips/%s/action" % fixed_ip
         resp, body = self.post(url, json.dumps(body))
         self.validate_response(schema.reserve_fixed_ip, resp, body)
         return service_client.ResponseBody(resp)
diff --git a/tempest/services/compute/json/flavors_client.py b/tempest/services/compute/json/flavors_client.py
index 93601b1..b928f9f 100644
--- a/tempest/services/compute/json/flavors_client.py
+++ b/tempest/services/compute/json/flavors_client.py
@@ -13,8 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
-
+from oslo_serialization import jsonutils as json
 from six.moves.urllib import parse as urllib
 
 from tempest.api_schema.response.compute.v2_1 import flavors as schema
@@ -25,7 +24,7 @@
 from tempest.common import service_client
 
 
-class FlavorsClientJSON(service_client.ServiceClient):
+class FlavorsClient(service_client.ServiceClient):
 
     def list_flavors(self, detail=False, **params):
         url = 'flavors'
diff --git a/tempest/services/compute/json/floating_ip_pools_client.py b/tempest/services/compute/json/floating_ip_pools_client.py
new file mode 100644
index 0000000..1cc411b
--- /dev/null
+++ b/tempest/services/compute/json/floating_ip_pools_client.py
@@ -0,0 +1,35 @@
+# 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.
+
+import json
+
+from six.moves.urllib import parse as urllib
+
+from tempest.api_schema.response.compute.v2_1 import floating_ips as schema
+from tempest.common import service_client
+
+
+class FloatingIpPoolsClient(service_client.ServiceClient):
+
+    def list_floating_ip_pools(self, params=None):
+        """Returns a list of all floating IP Pools."""
+        url = 'os-floating-ip-pools'
+        if params:
+            url += '?%s' % urllib.urlencode(params)
+
+        resp, body = self.get(url)
+        body = json.loads(body)
+        self.validate_response(schema.list_floating_ip_pools, resp, body)
+        return service_client.ResponseBodyList(resp, body['floating_ip_pools'])
diff --git a/tempest/services/compute/json/floating_ips_bulk_client.py b/tempest/services/compute/json/floating_ips_bulk_client.py
new file mode 100644
index 0000000..c8e7350
--- /dev/null
+++ b/tempest/services/compute/json/floating_ips_bulk_client.py
@@ -0,0 +1,52 @@
+# 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.
+
+import json
+
+from tempest.api_schema.response.compute.v2_1 import floating_ips as schema
+from tempest.common import service_client
+
+
+class FloatingIpsBulkClient(service_client.ServiceClient):
+
+    def create_floating_ips_bulk(self, ip_range, pool, interface):
+        """Allocate floating IPs in bulk."""
+        post_body = {
+            'ip_range': ip_range,
+            'pool': pool,
+            'interface': interface
+        }
+        post_body = json.dumps({'floating_ips_bulk_create': post_body})
+        resp, body = self.post('os-floating-ips-bulk', post_body)
+        body = json.loads(body)
+        self.validate_response(schema.create_floating_ips_bulk, resp, body)
+        return service_client.ResponseBody(resp,
+                                           body['floating_ips_bulk_create'])
+
+    def list_floating_ips_bulk(self):
+        """Returns a list of all floating IPs bulk."""
+        resp, body = self.get('os-floating-ips-bulk')
+        body = json.loads(body)
+        self.validate_response(schema.list_floating_ips_bulk, resp, body)
+        return service_client.ResponseBodyList(resp, body['floating_ip_info'])
+
+    def delete_floating_ips_bulk(self, ip_range):
+        """Deletes the provided floating IPs bulk."""
+        post_body = json.dumps({'ip_range': ip_range})
+        resp, body = self.put('os-floating-ips-bulk/delete', post_body)
+        body = json.loads(body)
+        self.validate_response(schema.delete_floating_ips_bulk, resp, body)
+        data = body['floating_ips_bulk_delete']
+        return service_client.ResponseBodyData(resp, data)
diff --git a/tempest/services/compute/json/floating_ips_client.py b/tempest/services/compute/json/floating_ips_client.py
index 5cfc325..8923d64 100644
--- a/tempest/services/compute/json/floating_ips_client.py
+++ b/tempest/services/compute/json/floating_ips_client.py
@@ -13,8 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
-
+from oslo_serialization import jsonutils as json
 from six.moves.urllib import parse as urllib
 from tempest_lib import exceptions as lib_exc
 
@@ -22,7 +21,7 @@
 from tempest.common import service_client
 
 
-class FloatingIPsClientJSON(service_client.ServiceClient):
+class FloatingIPsClient(service_client.ServiceClient):
 
     def list_floating_ips(self, params=None):
         """Returns a list of all floating IPs filtered by any parameters."""
@@ -99,44 +98,3 @@
     def resource_type(self):
         """Returns the primary type of resource this client works with."""
         return 'floating_ip'
-
-    def list_floating_ip_pools(self, params=None):
-        """Returns a list of all floating IP Pools."""
-        url = 'os-floating-ip-pools'
-        if params:
-            url += '?%s' % urllib.urlencode(params)
-
-        resp, body = self.get(url)
-        body = json.loads(body)
-        self.validate_response(schema.list_floating_ip_pools, resp, body)
-        return service_client.ResponseBodyList(resp, body['floating_ip_pools'])
-
-    def create_floating_ips_bulk(self, ip_range, pool, interface):
-        """Allocate floating IPs in bulk."""
-        post_body = {
-            'ip_range': ip_range,
-            'pool': pool,
-            'interface': interface
-        }
-        post_body = json.dumps({'floating_ips_bulk_create': post_body})
-        resp, body = self.post('os-floating-ips-bulk', post_body)
-        body = json.loads(body)
-        self.validate_response(schema.create_floating_ips_bulk, resp, body)
-        return service_client.ResponseBody(resp,
-                                           body['floating_ips_bulk_create'])
-
-    def list_floating_ips_bulk(self):
-        """Returns a list of all floating IPs bulk."""
-        resp, body = self.get('os-floating-ips-bulk')
-        body = json.loads(body)
-        self.validate_response(schema.list_floating_ips_bulk, resp, body)
-        return service_client.ResponseBodyList(resp, body['floating_ip_info'])
-
-    def delete_floating_ips_bulk(self, ip_range):
-        """Deletes the provided floating IPs bulk."""
-        post_body = json.dumps({'ip_range': ip_range})
-        resp, body = self.put('os-floating-ips-bulk/delete', post_body)
-        body = json.loads(body)
-        self.validate_response(schema.delete_floating_ips_bulk, resp, body)
-        data = body['floating_ips_bulk_delete']
-        return service_client.ResponseBodyData(resp, data)
diff --git a/tempest/services/compute/json/hosts_client.py b/tempest/services/compute/json/hosts_client.py
index d79368b..d597a06 100644
--- a/tempest/services/compute/json/hosts_client.py
+++ b/tempest/services/compute/json/hosts_client.py
@@ -12,15 +12,14 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
-
+from oslo_serialization import jsonutils as json
 from six.moves.urllib import parse as urllib
 
 from tempest.api_schema.response.compute.v2_1 import hosts as schema
 from tempest.common import service_client
 
 
-class HostsClientJSON(service_client.ServiceClient):
+class HostsClient(service_client.ServiceClient):
 
     def list_hosts(self, params=None):
         """Lists all hosts."""
diff --git a/tempest/services/compute/json/hypervisor_client.py b/tempest/services/compute/json/hypervisor_client.py
index 2f9f701..e894a5c 100644
--- a/tempest/services/compute/json/hypervisor_client.py
+++ b/tempest/services/compute/json/hypervisor_client.py
@@ -13,13 +13,13 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
+from oslo_serialization import jsonutils as json
 
 from tempest.api_schema.response.compute.v2_1 import hypervisors as schema
 from tempest.common import service_client
 
 
-class HypervisorClientJSON(service_client.ServiceClient):
+class HypervisorClient(service_client.ServiceClient):
 
     def list_hypervisors(self, detail=False):
         """List hypervisors information."""
@@ -34,16 +34,16 @@
         self.validate_response(_schema, resp, body)
         return service_client.ResponseBodyList(resp, body['hypervisors'])
 
-    def show_hypervisor(self, hyper_id):
+    def show_hypervisor(self, hypervisor_id):
         """Display the details of the specified hypervisor."""
-        resp, body = self.get('os-hypervisors/%s' % hyper_id)
+        resp, body = self.get('os-hypervisors/%s' % hypervisor_id)
         body = json.loads(body)
         self.validate_response(schema.get_hypervisor, resp, body)
         return service_client.ResponseBody(resp, body['hypervisor'])
 
-    def list_servers_on_hypervisor(self, hyper_name):
+    def list_servers_on_hypervisor(self, hypervisor_name):
         """List instances belonging to the specified hypervisor."""
-        resp, body = self.get('os-hypervisors/%s/servers' % hyper_name)
+        resp, body = self.get('os-hypervisors/%s/servers' % hypervisor_name)
         body = json.loads(body)
         self.validate_response(schema.get_hypervisors_servers, resp, body)
         return service_client.ResponseBodyList(resp, body['hypervisors'])
@@ -55,16 +55,16 @@
         self.validate_response(schema.get_hypervisor_statistics, resp, body)
         return service_client.ResponseBody(resp, body['hypervisor_statistics'])
 
-    def show_hypervisor_uptime(self, hyper_id):
+    def show_hypervisor_uptime(self, hypervisor_id):
         """Display the uptime of the specified hypervisor."""
-        resp, body = self.get('os-hypervisors/%s/uptime' % hyper_id)
+        resp, body = self.get('os-hypervisors/%s/uptime' % hypervisor_id)
         body = json.loads(body)
         self.validate_response(schema.get_hypervisor_uptime, resp, body)
         return service_client.ResponseBody(resp, body['hypervisor'])
 
-    def search_hypervisor(self, hyper_name):
+    def search_hypervisor(self, hypervisor_name):
         """Search specified hypervisor."""
-        resp, body = self.get('os-hypervisors/%s/search' % hyper_name)
+        resp, body = self.get('os-hypervisors/%s/search' % hypervisor_name)
         body = json.loads(body)
         self.validate_response(schema.list_search_hypervisors, resp, body)
         return service_client.ResponseBodyList(resp, body['hypervisors'])
diff --git a/tempest/services/compute/json/images_client.py b/tempest/services/compute/json/images_client.py
index d288982..b0ce2dc 100644
--- a/tempest/services/compute/json/images_client.py
+++ b/tempest/services/compute/json/images_client.py
@@ -13,17 +13,15 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
-
+from oslo_serialization import jsonutils as json
 from six.moves.urllib import parse as urllib
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api_schema.response.compute.v2_1 import images as schema
 from tempest.common import service_client
-from tempest.common import waiters
 
 
-class ImagesClientJSON(service_client.ServiceClient):
+class ImagesClient(service_client.ServiceClient):
 
     def create_image(self, server_id, name, meta=None):
         """Creates an image of the original server."""
@@ -73,10 +71,6 @@
         self.validate_response(schema.delete, resp, body)
         return service_client.ResponseBody(resp, body)
 
-    def wait_for_image_status(self, image_id, status):
-        """Waits for an image to reach a given status."""
-        waiters.wait_for_image_status(self, image_id, status)
-
     def list_image_metadata(self, image_id):
         """Lists all metadata items for an image."""
         resp, body = self.get("images/%s/metadata" % image_id)
diff --git a/tempest/services/compute/json/instance_usage_audit_log_client.py b/tempest/services/compute/json/instance_usage_audit_log_client.py
index 2b6dbb7..f06a675 100644
--- a/tempest/services/compute/json/instance_usage_audit_log_client.py
+++ b/tempest/services/compute/json/instance_usage_audit_log_client.py
@@ -13,14 +13,14 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
+from oslo_serialization import jsonutils as json
 
 from tempest.api_schema.response.compute.v2_1 import \
     instance_usage_audit_logs as schema
 from tempest.common import service_client
 
 
-class InstanceUsagesAuditLogClientJSON(service_client.ServiceClient):
+class InstanceUsagesAuditLogClient(service_client.ServiceClient):
 
     def list_instance_usage_audit_logs(self):
         url = 'os-instance_usage_audit_log'
diff --git a/tempest/services/compute/json/interfaces_client.py b/tempest/services/compute/json/interfaces_client.py
index a0d7c60..e8b2b64 100644
--- a/tempest/services/compute/json/interfaces_client.py
+++ b/tempest/services/compute/json/interfaces_client.py
@@ -13,25 +13,23 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
-import time
+from oslo_serialization import jsonutils as json
 
 from tempest.api_schema.response.compute.v2_1 import interfaces as schema
 from tempest.api_schema.response.compute.v2_1 import servers as servers_schema
 from tempest.common import service_client
-from tempest import exceptions
 
 
-class InterfacesClientJSON(service_client.ServiceClient):
+class InterfacesClient(service_client.ServiceClient):
 
-    def list_interfaces(self, server):
-        resp, body = self.get('servers/%s/os-interface' % server)
+    def list_interfaces(self, server_id):
+        resp, body = self.get('servers/%s/os-interface' % server_id)
         body = json.loads(body)
         self.validate_response(schema.list_interfaces, resp, body)
         return service_client.ResponseBodyList(resp,
                                                body['interfaceAttachments'])
 
-    def create_interface(self, server, port_id=None, network_id=None,
+    def create_interface(self, server_id, port_id=None, network_id=None,
                          fixed_ip=None):
         post_body = dict(interfaceAttachment=dict())
         if port_id:
@@ -42,46 +40,25 @@
             fip = dict(ip_address=fixed_ip)
             post_body['interfaceAttachment']['fixed_ips'] = [fip]
         post_body = json.dumps(post_body)
-        resp, body = self.post('servers/%s/os-interface' % server,
+        resp, body = self.post('servers/%s/os-interface' % server_id,
                                body=post_body)
         body = json.loads(body)
         self.validate_response(schema.get_create_interfaces, resp, body)
         return service_client.ResponseBody(resp, body['interfaceAttachment'])
 
-    def show_interface(self, server, port_id):
-        resp, body = self.get('servers/%s/os-interface/%s' % (server, port_id))
+    def show_interface(self, server_id, port_id):
+        resp, body = self.get('servers/%s/os-interface/%s' % (server_id,
+                                                              port_id))
         body = json.loads(body)
         self.validate_response(schema.get_create_interfaces, resp, body)
         return service_client.ResponseBody(resp, body['interfaceAttachment'])
 
-    def delete_interface(self, server, port_id):
-        resp, body = self.delete('servers/%s/os-interface/%s' % (server,
+    def delete_interface(self, server_id, port_id):
+        resp, body = self.delete('servers/%s/os-interface/%s' % (server_id,
                                                                  port_id))
         self.validate_response(schema.delete_interface, resp, body)
         return service_client.ResponseBody(resp, body)
 
-    def wait_for_interface_status(self, server, port_id, status):
-        """Waits for a interface to reach a given status."""
-        body = self.show_interface(server, port_id)
-        interface_status = body['port_state']
-        start = int(time.time())
-
-        while(interface_status != status):
-            time.sleep(self.build_interval)
-            body = self.show_interface(server, port_id)
-            interface_status = body['port_state']
-
-            timed_out = int(time.time()) - start >= self.build_timeout
-
-            if interface_status != status and timed_out:
-                message = ('Interface %s failed to reach %s status '
-                           '(current %s) within the required time (%s s).' %
-                           (port_id, status, interface_status,
-                            self.build_timeout))
-                raise exceptions.TimeoutException(message)
-
-        return body
-
     def add_fixed_ip(self, server_id, network_id):
         """Add a fixed IP to input server instance."""
         post_body = json.dumps({
diff --git a/tempest/services/compute/json/keypairs_client.py b/tempest/services/compute/json/keypairs_client.py
index 65cd19f..6f819ae 100644
--- a/tempest/services/compute/json/keypairs_client.py
+++ b/tempest/services/compute/json/keypairs_client.py
@@ -13,13 +13,13 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
+from oslo_serialization import jsonutils as json
 
 from tempest.api_schema.response.compute.v2_1 import keypairs as schema
 from tempest.common import service_client
 
 
-class KeyPairsClientJSON(service_client.ServiceClient):
+class KeyPairsClient(service_client.ServiceClient):
 
     def list_keypairs(self):
         resp, body = self.get("os-keypairs")
@@ -32,8 +32,8 @@
         self.validate_response(schema.list_keypairs, resp, body)
         return service_client.ResponseBodyList(resp, body['keypairs'])
 
-    def show_keypair(self, key_name):
-        resp, body = self.get("os-keypairs/%s" % key_name)
+    def show_keypair(self, keypair_name):
+        resp, body = self.get("os-keypairs/%s" % keypair_name)
         body = json.loads(body)
         self.validate_response(schema.get_keypair, resp, body)
         return service_client.ResponseBody(resp, body['keypair'])
@@ -48,7 +48,7 @@
         self.validate_response(schema.create_keypair, resp, body)
         return service_client.ResponseBody(resp, body['keypair'])
 
-    def delete_keypair(self, key_name):
-        resp, body = self.delete("os-keypairs/%s" % key_name)
+    def delete_keypair(self, keypair_name):
+        resp, body = self.delete("os-keypairs/%s" % keypair_name)
         self.validate_response(schema.delete_keypair, resp, body)
         return service_client.ResponseBody(resp, body)
diff --git a/tempest/services/compute/json/limits_client.py b/tempest/services/compute/json/limits_client.py
index 1454b73..4287619 100644
--- a/tempest/services/compute/json/limits_client.py
+++ b/tempest/services/compute/json/limits_client.py
@@ -13,13 +13,13 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
+from oslo_serialization import jsonutils as json
 
 from tempest.api_schema.response.compute.v2_1 import limits as schema
 from tempest.common import service_client
 
 
-class LimitsClientJSON(service_client.ServiceClient):
+class LimitsClient(service_client.ServiceClient):
 
     def show_limits(self):
         resp, body = self.get("limits")
diff --git a/tempest/services/compute/json/migrations_client.py b/tempest/services/compute/json/migrations_client.py
index f708a07..2a2bcd2 100644
--- a/tempest/services/compute/json/migrations_client.py
+++ b/tempest/services/compute/json/migrations_client.py
@@ -12,15 +12,14 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
-
+from oslo_serialization import jsonutils as json
 from six.moves.urllib import parse as urllib
 
 from tempest.api_schema.response.compute.v2_1 import migrations as schema
 from tempest.common import service_client
 
 
-class MigrationsClientJSON(service_client.ServiceClient):
+class MigrationsClient(service_client.ServiceClient):
 
     def list_migrations(self, params=None):
         """Lists all migrations."""
diff --git a/tempest/services/compute/json/networks_client.py b/tempest/services/compute/json/networks_client.py
index 21dd067..6373f01 100644
--- a/tempest/services/compute/json/networks_client.py
+++ b/tempest/services/compute/json/networks_client.py
@@ -13,12 +13,12 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
+from oslo_serialization import jsonutils as json
 
 from tempest.common import service_client
 
 
-class NetworksClientJSON(service_client.ServiceClient):
+class NetworksClient(service_client.ServiceClient):
 
     def list_networks(self):
         resp, body = self.get("os-networks")
diff --git a/tempest/services/compute/json/quota_classes_client.py b/tempest/services/compute/json/quota_classes_client.py
index ad35e3f..30d3501 100644
--- a/tempest/services/compute/json/quota_classes_client.py
+++ b/tempest/services/compute/json/quota_classes_client.py
@@ -13,14 +13,14 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
+from oslo_serialization import jsonutils as json
 
 from tempest.api_schema.response.compute.v2_1\
     import quota_classes as classes_schema
 from tempest.common import service_client
 
 
-class QuotaClassesClientJSON(service_client.ServiceClient):
+class QuotaClassesClient(service_client.ServiceClient):
 
     def show_quota_class_set(self, quota_class_id):
         """List the quota class set for a quota class."""
diff --git a/tempest/services/compute/json/quotas_client.py b/tempest/services/compute/json/quotas_client.py
index f488817..4ea47ed 100644
--- a/tempest/services/compute/json/quotas_client.py
+++ b/tempest/services/compute/json/quotas_client.py
@@ -13,13 +13,13 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
+from oslo_serialization import jsonutils as json
 
 from tempest.api_schema.response.compute.v2_1 import quotas as schema
 from tempest.common import service_client
 
 
-class QuotasClientJSON(service_client.ServiceClient):
+class QuotasClient(service_client.ServiceClient):
 
     def show_quota_set(self, tenant_id, user_id=None):
         """List the quota set for a tenant."""
diff --git a/tempest/services/compute/json/security_group_default_rules_client.py b/tempest/services/compute/json/security_group_default_rules_client.py
index 6853c03..fcc715a 100644
--- a/tempest/services/compute/json/security_group_default_rules_client.py
+++ b/tempest/services/compute/json/security_group_default_rules_client.py
@@ -13,14 +13,14 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
+from oslo_serialization import jsonutils as json
 
 from tempest.api_schema.response.compute.v2_1 import \
     security_group_default_rule as schema
 from tempest.common import service_client
 
 
-class SecurityGroupDefaultRulesClientJSON(service_client.ServiceClient):
+class SecurityGroupDefaultRulesClient(service_client.ServiceClient):
 
     def create_security_default_group_rule(self, ip_protocol, from_port,
                                            to_port, **kwargs):
diff --git a/tempest/services/compute/json/security_groups_client.py b/tempest/services/compute/json/security_groups_client.py
index 5f1656c..bee8d41 100644
--- a/tempest/services/compute/json/security_groups_client.py
+++ b/tempest/services/compute/json/security_groups_client.py
@@ -13,8 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
-
+from oslo_serialization import jsonutils as json
 from six.moves.urllib import parse as urllib
 from tempest_lib import exceptions as lib_exc
 
@@ -22,7 +21,7 @@
 from tempest.common import service_client
 
 
-class SecurityGroupsClientJSON(service_client.ServiceClient):
+class SecurityGroupsClient(service_client.ServiceClient):
 
     def list_security_groups(self, params=None):
         """List all security groups for a user."""
diff --git a/tempest/services/compute/json/server_groups_client.py b/tempest/services/compute/json/server_groups_client.py
new file mode 100644
index 0000000..9fec930
--- /dev/null
+++ b/tempest/services/compute/json/server_groups_client.py
@@ -0,0 +1,61 @@
+# Copyright 2012 OpenStack Foundation
+# Copyright 2013 Hewlett-Packard Development Company, L.P.
+# 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.
+
+import json
+
+from tempest.api_schema.response.compute.v2_1 import servers as schema
+from tempest.common import service_client
+
+
+class ServerGroupsClient(service_client.ServiceClient):
+
+    def create_server_group(self, name, policies):
+        """
+        Create the server group
+        name : Name of the server-group
+        policies : List of the policies - affinity/anti-affinity)
+        """
+        post_body = {
+            'name': name,
+            'policies': policies,
+        }
+
+        post_body = json.dumps({'server_group': post_body})
+        resp, body = self.post('os-server-groups', post_body)
+
+        body = json.loads(body)
+        self.validate_response(schema.create_get_server_group, resp, body)
+        return service_client.ResponseBody(resp, body['server_group'])
+
+    def delete_server_group(self, server_group_id):
+        """Delete the given server-group."""
+        resp, body = self.delete("os-server-groups/%s" % server_group_id)
+        self.validate_response(schema.delete_server_group, resp, body)
+        return service_client.ResponseBody(resp, body)
+
+    def list_server_groups(self):
+        """List the server-groups."""
+        resp, body = self.get("os-server-groups")
+        body = json.loads(body)
+        self.validate_response(schema.list_server_groups, resp, body)
+        return service_client.ResponseBodyList(resp, body['server_groups'])
+
+    def get_server_group(self, server_group_id):
+        """Get the details of given server_group."""
+        resp, body = self.get("os-server-groups/%s" % server_group_id)
+        body = json.loads(body)
+        self.validate_response(schema.create_get_server_group, resp, body)
+        return service_client.ResponseBody(resp, body['server_group'])
diff --git a/tempest/services/compute/json/servers_client.py b/tempest/services/compute/json/servers_client.py
index e59eed0..90ebb9b 100644
--- a/tempest/services/compute/json/servers_client.py
+++ b/tempest/services/compute/json/servers_client.py
@@ -14,9 +14,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
 import time
 
+from oslo_serialization import jsonutils as json
 from six.moves.urllib import parse as urllib
 from tempest_lib import exceptions as lib_exc
 
@@ -26,11 +26,11 @@
 from tempest import exceptions
 
 
-class ServersClientJSON(service_client.ServiceClient):
+class ServersClient(service_client.ServiceClient):
 
     def __init__(self, auth_provider, service, region,
                  enable_instance_password=True, **kwargs):
-        super(ServersClientJSON, self).__init__(
+        super(ServersClient, self).__init__(
             auth_provider, service, region, **kwargs)
         self.enable_instance_password = enable_instance_password
 
@@ -149,28 +149,21 @@
         self.validate_response(schema.delete_server, resp, body)
         return service_client.ResponseBody(resp, body)
 
-    def list_servers(self, params=None):
+    def list_servers(self, detail=False, **params):
         """Lists all servers for a user."""
 
         url = 'servers'
+        _schema = schema.list_servers
+
+        if detail:
+            url += '/detail'
+            _schema = schema.list_servers_detail
         if params:
             url += '?%s' % urllib.urlencode(params)
 
         resp, body = self.get(url)
         body = json.loads(body)
-        self.validate_response(schema.list_servers, resp, body)
-        return service_client.ResponseBody(resp, body)
-
-    def list_servers_with_detail(self, params=None):
-        """Lists all servers in detail for a user."""
-
-        url = 'servers/detail'
-        if params:
-            url += '?%s' % urllib.urlencode(params)
-
-        resp, body = self.get(url)
-        body = json.loads(body)
-        self.validate_response(schema.list_servers_detail, resp, body)
+        self.validate_response(_schema, resp, body)
         return service_client.ResponseBody(resp, body)
 
     def wait_for_server_status(self, server_id, status, extra_timeout=0,
@@ -532,41 +525,3 @@
         return self.action(server_id, "os-getVNCConsole",
                            "console", schema.get_vnc_console,
                            type=console_type)
-
-    def create_server_group(self, name, policies):
-        """
-        Create the server group
-        name : Name of the server-group
-        policies : List of the policies - affinity/anti-affinity)
-        """
-        post_body = {
-            'name': name,
-            'policies': policies,
-        }
-
-        post_body = json.dumps({'server_group': post_body})
-        resp, body = self.post('os-server-groups', post_body)
-
-        body = json.loads(body)
-        self.validate_response(schema.create_get_server_group, resp, body)
-        return service_client.ResponseBody(resp, body['server_group'])
-
-    def delete_server_group(self, server_group_id):
-        """Delete the given server-group."""
-        resp, body = self.delete("os-server-groups/%s" % server_group_id)
-        self.validate_response(schema.delete_server_group, resp, body)
-        return service_client.ResponseBody(resp, body)
-
-    def list_server_groups(self):
-        """List the server-groups."""
-        resp, body = self.get("os-server-groups")
-        body = json.loads(body)
-        self.validate_response(schema.list_server_groups, resp, body)
-        return service_client.ResponseBodyList(resp, body['server_groups'])
-
-    def get_server_group(self, server_group_id):
-        """Get the details of given server_group."""
-        resp, body = self.get("os-server-groups/%s" % server_group_id)
-        body = json.loads(body)
-        self.validate_response(schema.create_get_server_group, resp, body)
-        return service_client.ResponseBody(resp, body['server_group'])
diff --git a/tempest/services/compute/json/services_client.py b/tempest/services/compute/json/services_client.py
index 156ad8d..e1b48bb 100644
--- a/tempest/services/compute/json/services_client.py
+++ b/tempest/services/compute/json/services_client.py
@@ -14,15 +14,14 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
-
+from oslo_serialization import jsonutils as json
 from six.moves.urllib import parse as urllib
 
 from tempest.api_schema.response.compute.v2_1 import services as schema
 from tempest.common import service_client
 
 
-class ServicesClientJSON(service_client.ServiceClient):
+class ServicesClient(service_client.ServiceClient):
 
     def list_services(self, params=None):
         url = 'os-services'
diff --git a/tempest/services/compute/json/tenant_networks_client.py b/tempest/services/compute/json/tenant_networks_client.py
index b130819..d31c5f5 100644
--- a/tempest/services/compute/json/tenant_networks_client.py
+++ b/tempest/services/compute/json/tenant_networks_client.py
@@ -12,13 +12,13 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
+from oslo_serialization import jsonutils as json
 
 from tempest.api_schema.response.compute.v2_1 import tenant_networks as schema
 from tempest.common import service_client
 
 
-class TenantNetworksClientJSON(service_client.ServiceClient):
+class TenantNetworksClient(service_client.ServiceClient):
 
     def list_tenant_networks(self):
         resp, body = self.get("os-tenant-networks")
diff --git a/tempest/services/compute/json/tenant_usages_client.py b/tempest/services/compute/json/tenant_usages_client.py
index a1b1a46..cd9f3b6 100644
--- a/tempest/services/compute/json/tenant_usages_client.py
+++ b/tempest/services/compute/json/tenant_usages_client.py
@@ -13,15 +13,14 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
-
+from oslo_serialization import jsonutils as json
 from six.moves.urllib import parse as urllib
 
 from tempest.api_schema.response.compute.v2_1 import tenant_usages as schema
 from tempest.common import service_client
 
 
-class TenantUsagesClientJSON(service_client.ServiceClient):
+class TenantUsagesClient(service_client.ServiceClient):
 
     def list_tenant_usages(self, params=None):
         url = 'os-simple-tenant-usage'
diff --git a/tempest/services/compute/json/volumes_extensions_client.py b/tempest/services/compute/json/volumes_extensions_client.py
index b6f1124..ac55049 100644
--- a/tempest/services/compute/json/volumes_extensions_client.py
+++ b/tempest/services/compute/json/volumes_extensions_client.py
@@ -13,22 +13,19 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
-import time
-
+from oslo_serialization import jsonutils as json
 from six.moves.urllib import parse as urllib
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api_schema.response.compute.v2_1 import volumes as schema
 from tempest.common import service_client
-from tempest import exceptions
 
 
-class VolumesExtensionsClientJSON(service_client.ServiceClient):
+class VolumesExtensionsClient(service_client.ServiceClient):
 
     def __init__(self, auth_provider, service, region,
                  default_volume_size=1, **kwargs):
-        super(VolumesExtensionsClientJSON, self).__init__(
+        super(VolumesExtensionsClient, self).__init__(
             auth_provider, service, region, **kwargs)
         self.default_volume_size = default_volume_size
 
@@ -81,26 +78,6 @@
         self.validate_response(schema.delete_volume, resp, body)
         return service_client.ResponseBody(resp, body)
 
-    def wait_for_volume_status(self, volume_id, status):
-        """Waits for a Volume to reach a given status."""
-        body = self.show_volume(volume_id)
-        volume_status = body['status']
-        start = int(time.time())
-
-        while volume_status != status:
-            time.sleep(self.build_interval)
-            body = self.show_volume(volume_id)
-            volume_status = body['status']
-            if volume_status == 'error':
-                raise exceptions.VolumeBuildErrorException(volume_id=volume_id)
-
-            if int(time.time()) - start >= self.build_timeout:
-                message = ('Volume %s failed to reach %s status (current %s) '
-                           'within the required time (%s s).' %
-                           (volume_id, status, volume_status,
-                            self.build_timeout))
-                raise exceptions.TimeoutException(message)
-
     def is_resource_deleted(self, id):
         try:
             self.show_volume(id)
diff --git a/tempest/services/data_processing/v1_1/data_processing_client.py b/tempest/services/data_processing/v1_1/data_processing_client.py
index 04cf9a3..bbc0f2a 100644
--- a/tempest/services/data_processing/v1_1/data_processing_client.py
+++ b/tempest/services/data_processing/v1_1/data_processing_client.py
@@ -12,7 +12,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
+from oslo_serialization import jsonutils as json
 
 from tempest.common import service_client
 
diff --git a/tempest/services/database/json/flavors_client.py b/tempest/services/database/json/flavors_client.py
index c956e27..4fe5a46 100644
--- a/tempest/services/database/json/flavors_client.py
+++ b/tempest/services/database/json/flavors_client.py
@@ -18,7 +18,7 @@
 from tempest.common import service_client
 
 
-class DatabaseFlavorsClientJSON(service_client.ServiceClient):
+class DatabaseFlavorsClient(service_client.ServiceClient):
 
     def list_db_flavors(self, params=None):
         url = 'flavors'
diff --git a/tempest/services/database/json/limits_client.py b/tempest/services/database/json/limits_client.py
index f99ceaa..830b67f 100644
--- a/tempest/services/database/json/limits_client.py
+++ b/tempest/services/database/json/limits_client.py
@@ -18,7 +18,7 @@
 from tempest.common import service_client
 
 
-class DatabaseLimitsClientJSON(service_client.ServiceClient):
+class DatabaseLimitsClient(service_client.ServiceClient):
 
     def list_db_limits(self, params=None):
         """List all limits."""
diff --git a/tempest/services/database/json/versions_client.py b/tempest/services/database/json/versions_client.py
index 0db9c6a..ed1ba81 100644
--- a/tempest/services/database/json/versions_client.py
+++ b/tempest/services/database/json/versions_client.py
@@ -18,14 +18,14 @@
 from tempest.common import service_client
 
 
-class DatabaseVersionsClientJSON(service_client.ServiceClient):
+class DatabaseVersionsClient(service_client.ServiceClient):
 
     def __init__(self, auth_provider, service, region,
                  endpoint_type=None, build_interval=None, build_timeout=None,
                  disable_ssl_certificate_validation=None, ca_certs=None,
                  trace_requests=None):
         dscv = disable_ssl_certificate_validation
-        super(DatabaseVersionsClientJSON, self).__init__(
+        super(DatabaseVersionsClient, self).__init__(
             auth_provider, service, region,
             endpoint_type=endpoint_type,
             build_interval=build_interval,
diff --git a/tempest/services/identity/v2/json/identity_client.py b/tempest/services/identity/v2/json/identity_client.py
index deb7605..1076fca 100644
--- a/tempest/services/identity/v2/json/identity_client.py
+++ b/tempest/services/identity/v2/json/identity_client.py
@@ -10,13 +10,13 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
+from oslo_serialization import jsonutils as json
 from tempest_lib import exceptions as lib_exc
 
 from tempest.common import service_client
 
 
-class IdentityClientJSON(service_client.ServiceClient):
+class IdentityClient(service_client.ServiceClient):
     api_version = "v2.0"
 
     def get_api_description(self):
diff --git a/tempest/services/identity/v3/json/credentials_client.py b/tempest/services/identity/v3/json/credentials_client.py
index 0a614cd..e27f960 100644
--- a/tempest/services/identity/v3/json/credentials_client.py
+++ b/tempest/services/identity/v3/json/credentials_client.py
@@ -13,12 +13,12 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
+from oslo_serialization import jsonutils as json
 
 from tempest.common import service_client
 
 
-class CredentialsClientJSON(service_client.ServiceClient):
+class CredentialsClient(service_client.ServiceClient):
     api_version = "v3"
 
     def create_credential(self, access_key, secret_key, user_id, project_id):
diff --git a/tempest/services/identity/v3/json/endpoints_client.py b/tempest/services/identity/v3/json/endpoints_client.py
index 5b7e812..f93fb74 100644
--- a/tempest/services/identity/v3/json/endpoints_client.py
+++ b/tempest/services/identity/v3/json/endpoints_client.py
@@ -13,12 +13,12 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
+from oslo_serialization import jsonutils as json
 
 from tempest.common import service_client
 
 
-class EndPointClientJSON(service_client.ServiceClient):
+class EndPointClient(service_client.ServiceClient):
     api_version = "v3"
 
     def list_endpoints(self):
diff --git a/tempest/services/identity/v3/json/identity_client.py b/tempest/services/identity/v3/json/identity_client.py
index 30fb3e1..87d4b79 100644
--- a/tempest/services/identity/v3/json/identity_client.py
+++ b/tempest/services/identity/v3/json/identity_client.py
@@ -13,14 +13,13 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
-
+from oslo_serialization import jsonutils as json
 from six.moves.urllib import parse as urllib
 
 from tempest.common import service_client
 
 
-class IdentityV3ClientJSON(service_client.ServiceClient):
+class IdentityV3Client(service_client.ServiceClient):
     api_version = "v3"
 
     def get_api_description(self):
diff --git a/tempest/services/identity/v3/json/policy_client.py b/tempest/services/identity/v3/json/policy_client.py
index 8c9c9ce..f820598 100644
--- a/tempest/services/identity/v3/json/policy_client.py
+++ b/tempest/services/identity/v3/json/policy_client.py
@@ -13,12 +13,12 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
+from oslo_serialization import jsonutils as json
 
 from tempest.common import service_client
 
 
-class PolicyClientJSON(service_client.ServiceClient):
+class PolicyClient(service_client.ServiceClient):
     api_version = "v3"
 
     def create_policy(self, blob, type):
diff --git a/tempest/services/identity/v3/json/region_client.py b/tempest/services/identity/v3/json/region_client.py
index 02df354..43226be 100644
--- a/tempest/services/identity/v3/json/region_client.py
+++ b/tempest/services/identity/v3/json/region_client.py
@@ -13,14 +13,13 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
-
+from oslo_serialization import jsonutils as json
 from six.moves.urllib import parse as urllib
 
 from tempest.common import service_client
 
 
-class RegionClientJSON(service_client.ServiceClient):
+class RegionClient(service_client.ServiceClient):
     api_version = "v3"
 
     def create_region(self, description, **kwargs):
diff --git a/tempest/services/identity/v3/json/service_client.py b/tempest/services/identity/v3/json/service_client.py
index e039dc6..52ff479 100644
--- a/tempest/services/identity/v3/json/service_client.py
+++ b/tempest/services/identity/v3/json/service_client.py
@@ -13,12 +13,12 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
+from oslo_serialization import jsonutils as json
 
 from tempest.common import service_client
 
 
-class ServiceClientJSON(service_client.ServiceClient):
+class ServiceClient(service_client.ServiceClient):
     api_version = "v3"
 
     def update_service(self, service_id, **kwargs):
diff --git a/tempest/services/image/v1/json/image_client.py b/tempest/services/image/v1/json/image_client.py
index add26a9..a07612a 100644
--- a/tempest/services/image/v1/json/image_client.py
+++ b/tempest/services/image/v1/json/image_client.py
@@ -15,11 +15,11 @@
 
 import copy
 import errno
-import json
 import os
 import time
 
 from oslo_log import log as logging
+from oslo_serialization import jsonutils as json
 import six
 from six.moves.urllib import parse as urllib
 from tempest_lib.common.utils import misc as misc_utils
@@ -32,13 +32,13 @@
 LOG = logging.getLogger(__name__)
 
 
-class ImageClientJSON(service_client.ServiceClient):
+class ImageClient(service_client.ServiceClient):
 
     def __init__(self, auth_provider, catalog_type, region, endpoint_type=None,
                  build_interval=None, build_timeout=None,
                  disable_ssl_certificate_validation=None,
                  ca_certs=None, trace_requests=None):
-        super(ImageClientJSON, self).__init__(
+        super(ImageClient, self).__init__(
             auth_provider,
             catalog_type,
             region,
diff --git a/tempest/services/image/v2/json/image_client.py b/tempest/services/image/v2/json/image_client.py
index 383c72b..67f7708 100644
--- a/tempest/services/image/v2/json/image_client.py
+++ b/tempest/services/image/v2/json/image_client.py
@@ -13,9 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
-
 import jsonschema
+from oslo_serialization import jsonutils as json
 from six.moves.urllib import parse as urllib
 from tempest_lib import exceptions as lib_exc
 
@@ -23,13 +22,13 @@
 from tempest.common import service_client
 
 
-class ImageClientV2JSON(service_client.ServiceClient):
+class ImageClientV2(service_client.ServiceClient):
 
     def __init__(self, auth_provider, catalog_type, region, endpoint_type=None,
                  build_interval=None, build_timeout=None,
                  disable_ssl_certificate_validation=None, ca_certs=None,
                  trace_requests=None):
-        super(ImageClientV2JSON, self).__init__(
+        super(ImageClientV2, self).__init__(
             auth_provider,
             catalog_type,
             region,
diff --git a/tempest/services/messaging/json/messaging_client.py b/tempest/services/messaging/json/messaging_client.py
index 5f6c32a..2f233a9 100644
--- a/tempest/services/messaging/json/messaging_client.py
+++ b/tempest/services/messaging/json/messaging_client.py
@@ -13,23 +13,23 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import json
 import uuid
 
+from oslo_serialization import jsonutils as json
 from six.moves.urllib import parse as urllib
 
 from tempest.api_schema.response.messaging.v1 import queues as queues_schema
 from tempest.common import service_client
 
 
-class MessagingClientJSON(service_client.ServiceClient):
+class MessagingClient(service_client.ServiceClient):
 
     def __init__(self, auth_provider, service, region,
                  endpoint_type=None, build_interval=None, build_timeout=None,
                  disable_ssl_certificate_validation=None, ca_certs=None,
                  trace_requests=None):
         dscv = disable_ssl_certificate_validation
-        super(MessagingClientJSON, self).__init__(
+        super(MessagingClient, self).__init__(
             auth_provider, service, region,
             endpoint_type=endpoint_type,
             build_interval=build_interval,
diff --git a/tempest/services/network/json/network_client.py b/tempest/services/network/json/network_client.py
index cc9399e..aa0c583 100644
--- a/tempest/services/network/json/network_client.py
+++ b/tempest/services/network/json/network_client.py
@@ -10,9 +10,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
 import time
 
+from oslo_serialization import jsonutils as json
 from six.moves.urllib import parse as urllib
 from tempest_lib.common.utils import misc
 from tempest_lib import exceptions as lib_exc
@@ -21,7 +21,7 @@
 from tempest import exceptions
 
 
-class NetworkClientJSON(service_client.ServiceClient):
+class NetworkClient(service_client.ServiceClient):
 
     """
     Tempest REST client for Neutron. Uses v2 of the Neutron API, since the
@@ -73,17 +73,14 @@
         }
         return resource_plural_map.get(resource_name, resource_name + 's')
 
-    def _lister(self, plural_name):
-        def _list(**filters):
-            uri = self.get_uri(plural_name)
-            if filters:
-                uri += '?' + urllib.urlencode(filters, doseq=1)
-            resp, body = self.get(uri)
-            result = {plural_name: self.deserialize_list(body)}
-            self.expected_success(200, resp.status)
-            return service_client.ResponseBody(resp, result)
-
-        return _list
+    def _list_resources(self, uri, **filters):
+        req_uri = self.uri_prefix + uri
+        if filters:
+            req_uri += '?' + urllib.urlencode(filters, doseq=1)
+        resp, body = self.get(req_uri)
+        body = self.deserialize_list(body)
+        self.expected_success(200, resp.status)
+        return service_client.ResponseBody(resp, body)
 
     def _delete_resource(self, uri):
         req_uri = self.uri_prefix + uri
@@ -119,15 +116,6 @@
         self.expected_success(200, resp.status)
         return service_client.ResponseBody(resp, body)
 
-    def __getattr__(self, name):
-        method_prefixes = ["list_"]
-        method_functors = [self._lister]
-        for index, prefix in enumerate(method_prefixes):
-            prefix_len = len(prefix)
-            if name[:prefix_len] == prefix:
-                return method_functors[index](name[prefix_len:])
-        raise AttributeError(name)
-
     def create_network(self, **kwargs):
         uri = '/networks'
         post_data = {'network': kwargs}
@@ -146,6 +134,10 @@
         uri = '/networks/%s' % network_id
         return self._delete_resource(uri)
 
+    def list_networks(self, **filters):
+        uri = '/networks'
+        return self._list_resources(uri, **filters)
+
     def create_subnet(self, **kwargs):
         uri = '/subnets'
         post_data = {'subnet': kwargs}
@@ -164,6 +156,10 @@
         uri = '/subnets/%s' % subnet_id
         return self._delete_resource(uri)
 
+    def list_subnets(self, **filters):
+        uri = '/subnets'
+        return self._list_resources(uri, **filters)
+
     def create_port(self, **kwargs):
         uri = '/ports'
         post_data = {'port': kwargs}
@@ -182,6 +178,10 @@
         uri = '/ports/%s' % port_id
         return self._delete_resource(uri)
 
+    def list_ports(self, **filters):
+        uri = '/ports'
+        return self._list_resources(uri, **filters)
+
     def create_floatingip(self, **kwargs):
         uri = '/floatingips'
         post_data = {'floatingip': kwargs}
@@ -200,6 +200,10 @@
         uri = '/floatingips/%s' % floatingip_id
         return self._delete_resource(uri)
 
+    def list_floatingips(self, **filters):
+        uri = '/floatingips'
+        return self._list_resources(uri, **filters)
+
     def create_metering_label(self, **kwargs):
         uri = '/metering/metering-labels'
         post_data = {'metering_label': kwargs}
@@ -213,6 +217,10 @@
         uri = '/metering/metering-labels/%s' % metering_label_id
         return self._delete_resource(uri)
 
+    def list_metering_labels(self, **filters):
+        uri = '/metering/metering-labels'
+        return self._list_resources(uri, **filters)
+
     def create_metering_label_rule(self, **kwargs):
         uri = '/metering/metering-label-rules'
         post_data = {'metering_label_rule': kwargs}
@@ -226,6 +234,10 @@
         uri = '/metering/metering-label-rules/%s' % metering_label_rule_id
         return self._delete_resource(uri)
 
+    def list_metering_label_rules(self, **filters):
+        uri = '/metering/metering-label-rules'
+        return self._list_resources(uri, **filters)
+
     def create_security_group(self, **kwargs):
         uri = '/security-groups'
         post_data = {'security_group': kwargs}
@@ -244,6 +256,10 @@
         uri = '/security-groups/%s' % security_group_id
         return self._delete_resource(uri)
 
+    def list_security_groups(self, **filters):
+        uri = '/security-groups'
+        return self._list_resources(uri, **filters)
+
     def create_security_group_rule(self, **kwargs):
         uri = '/security-group-rules'
         post_data = {'security_group_rule': kwargs}
@@ -257,10 +273,18 @@
         uri = '/security-group-rules/%s' % security_group_rule_id
         return self._delete_resource(uri)
 
+    def list_security_group_rules(self, **filters):
+        uri = '/security-group-rules'
+        return self._list_resources(uri, **filters)
+
     def show_extension(self, ext_alias, **fields):
         uri = '/extensions/%s' % ext_alias
         return self._show_resource(uri, **fields)
 
+    def list_extensions(self, **filters):
+        uri = '/extensions'
+        return self._list_resources(uri, **filters)
+
     # Common methods that are hard to automate
     def create_bulk_network(self, names):
         network_list = [{'name': name} for name in names]
@@ -268,7 +292,7 @@
         body = self.serialize_list(post_data, "networks", "network")
         uri = self.get_uri("networks")
         resp, body = self.post(uri, body)
-        body = {'networks': self.deserialize_list(body)}
+        body = self.deserialize_list(body)
         self.expected_success(201, resp.status)
         return service_client.ResponseBody(resp, body)
 
@@ -277,7 +301,7 @@
         body = self.serialize_list(post_data, 'subnets', 'subnet')
         uri = self.get_uri('subnets')
         resp, body = self.post(uri, body)
-        body = {'subnets': self.deserialize_list(body)}
+        body = self.deserialize_list(body)
         self.expected_success(201, resp.status)
         return service_client.ResponseBody(resp, body)
 
@@ -286,7 +310,7 @@
         body = self.serialize_list(post_data, 'ports', 'port')
         uri = self.get_uri('ports')
         resp, body = self.post(uri, body)
-        body = {'ports': self.deserialize_list(body)}
+        body = self.deserialize_list(body)
         self.expected_success(201, resp.status)
         return service_client.ResponseBody(resp, body)
 
@@ -351,14 +375,7 @@
         return json.loads(body)
 
     def deserialize_list(self, body):
-        res = json.loads(body)
-        # expecting response in form
-        # {'resources': [ res1, res2] } => when pagination disabled
-        # {'resources': [..], 'resources_links': {}} => if pagination enabled
-        for k in res.keys():
-            if k.endswith("_links"):
-                continue
-            return res[k]
+        return json.loads(body)
 
     def serialize(self, data):
         return json.dumps(data)
@@ -385,6 +402,10 @@
         uri = '/quotas/%s' % tenant_id
         return self._show_resource(uri, **fields)
 
+    def list_quotas(self, **filters):
+        uri = '/quotas'
+        return self._list_resources(uri, **filters)
+
     def create_router(self, name, admin_state_up=True, **kwargs):
         post_body = {'router': kwargs}
         post_body['router']['name'] = name
@@ -442,6 +463,10 @@
         uri = '/routers/%s' % router_id
         return self._delete_resource(uri)
 
+    def list_routers(self, **filters):
+        uri = '/routers'
+        return self._list_resources(uri, **filters)
+
     def update_router_with_snat_gw_info(self, router_id, **kwargs):
         """Update a router passing also the enable_snat attribute.
 
@@ -514,6 +539,10 @@
         uri = '/agents/%s' % agent_id
         return self._show_resource(uri, **fields)
 
+    def list_agents(self, **filters):
+        uri = '/agents'
+        return self._list_resources(uri, **filters)
+
     def list_routers_on_l3_agent(self, agent_id):
         uri = '%s/agents/%s/l3-routers' % (self.uri_prefix, agent_id)
         resp, body = self.get(uri)
diff --git a/tempest/services/object_storage/account_client.py b/tempest/services/object_storage/account_client.py
index dece763..d89aa5d 100644
--- a/tempest/services/object_storage/account_client.py
+++ b/tempest/services/object_storage/account_client.py
@@ -13,9 +13,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
 from xml.etree import ElementTree as etree
 
+from oslo_serialization import jsonutils as json
 from six.moves.urllib import parse as urllib
 
 from tempest.common import service_client
diff --git a/tempest/services/object_storage/container_client.py b/tempest/services/object_storage/container_client.py
index 8e225b0..b31fe1b 100644
--- a/tempest/services/object_storage/container_client.py
+++ b/tempest/services/object_storage/container_client.py
@@ -13,9 +13,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
 from xml.etree import ElementTree as etree
 
+from oslo_serialization import jsonutils as json
 from six.moves.urllib import parse as urllib
 
 from tempest.common import service_client
diff --git a/tempest/services/orchestration/json/orchestration_client.py b/tempest/services/orchestration/json/orchestration_client.py
index 4d443d3..84a9ed9 100644
--- a/tempest/services/orchestration/json/orchestration_client.py
+++ b/tempest/services/orchestration/json/orchestration_client.py
@@ -13,10 +13,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
 import re
 import time
 
+from oslo_serialization import jsonutils as json
 from six.moves.urllib import parse as urllib
 from tempest_lib import exceptions as lib_exc
 
diff --git a/tempest/services/telemetry/json/telemetry_client.py b/tempest/services/telemetry/json/telemetry_client.py
index 554f574..2b1cdc0 100644
--- a/tempest/services/telemetry/json/telemetry_client.py
+++ b/tempest/services/telemetry/json/telemetry_client.py
@@ -19,7 +19,7 @@
 from tempest.common import service_client
 
 
-class TelemetryClientJSON(service_client.ServiceClient):
+class TelemetryClient(service_client.ServiceClient):
 
     version = '2'
     uri_prefix = "v2"
diff --git a/tempest/services/volume/json/admin/volume_hosts_client.py b/tempest/services/volume/json/admin/volume_hosts_client.py
index 1dfabaf..6801453 100644
--- a/tempest/services/volume/json/admin/volume_hosts_client.py
+++ b/tempest/services/volume/json/admin/volume_hosts_client.py
@@ -13,14 +13,13 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
-
+from oslo_serialization import jsonutils as json
 from six.moves.urllib import parse as urllib
 
 from tempest.common import service_client
 
 
-class BaseVolumeHostsClientJSON(service_client.ServiceClient):
+class BaseVolumeHostsClient(service_client.ServiceClient):
     """
     Client class to send CRUD Volume Hosts API requests to a Cinder endpoint
     """
@@ -38,7 +37,7 @@
         return service_client.ResponseBodyList(resp, body['hosts'])
 
 
-class VolumeHostsClientJSON(BaseVolumeHostsClientJSON):
+class VolumeHostsClient(BaseVolumeHostsClient):
     """
     Client class to send CRUD Volume Host API V1 requests to a Cinder endpoint
     """
diff --git a/tempest/services/volume/json/admin/volume_quotas_client.py b/tempest/services/volume/json/admin/volume_quotas_client.py
index cbab3f0..a979523 100644
--- a/tempest/services/volume/json/admin/volume_quotas_client.py
+++ b/tempest/services/volume/json/admin/volume_quotas_client.py
@@ -18,7 +18,7 @@
 from tempest.common import service_client
 
 
-class BaseVolumeQuotasClientJSON(service_client.ServiceClient):
+class BaseVolumeQuotasClient(service_client.ServiceClient):
     """
     Client class to send CRUD Volume Quotas API requests to a Cinder endpoint
     """
@@ -75,7 +75,7 @@
         return service_client.ResponseBody(resp, body)
 
 
-class VolumeQuotasClientJSON(BaseVolumeQuotasClientJSON):
+class VolumeQuotasClient(BaseVolumeQuotasClient):
     """
     Client class to send CRUD Volume Type API V1 requests to a Cinder endpoint
     """
diff --git a/tempest/services/volume/json/admin/volume_services_client.py b/tempest/services/volume/json/admin/volume_services_client.py
index 94792e0..c8607c1 100644
--- a/tempest/services/volume/json/admin/volume_services_client.py
+++ b/tempest/services/volume/json/admin/volume_services_client.py
@@ -13,14 +13,13 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
-
+from oslo_serialization import jsonutils as json
 from six.moves.urllib import parse as urllib
 
 from tempest.common import service_client
 
 
-class BaseVolumesServicesClientJSON(service_client.ServiceClient):
+class BaseVolumesServicesClient(service_client.ServiceClient):
 
     def list_services(self, params=None):
         url = 'os-services'
@@ -33,5 +32,5 @@
         return service_client.ResponseBodyList(resp, body['services'])
 
 
-class VolumesServicesClientJSON(BaseVolumesServicesClientJSON):
+class VolumesServicesClient(BaseVolumesServicesClient):
     """Volume V1 volume services client"""
diff --git a/tempest/services/volume/json/admin/volume_types_client.py b/tempest/services/volume/json/admin/volume_types_client.py
index 2436d88..84c7bc5 100644
--- a/tempest/services/volume/json/admin/volume_types_client.py
+++ b/tempest/services/volume/json/admin/volume_types_client.py
@@ -13,15 +13,14 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
-
+from oslo_serialization import jsonutils as json
 from six.moves.urllib import parse as urllib
 from tempest_lib import exceptions as lib_exc
 
 from tempest.common import service_client
 
 
-class BaseVolumeTypesClientJSON(service_client.ServiceClient):
+class BaseVolumeTypesClient(service_client.ServiceClient):
     """
     Client class to send CRUD Volume Types API requests to a Cinder endpoint
     """
@@ -188,5 +187,5 @@
         return service_client.ResponseBody(resp, body)
 
 
-class VolumeTypesClientJSON(BaseVolumeTypesClientJSON):
+class VolumeTypesClient(BaseVolumeTypesClient):
     """Volume V1 Volume Types client"""
diff --git a/tempest/services/volume/json/availability_zone_client.py b/tempest/services/volume/json/availability_zone_client.py
index dc0388f..13d5d55 100644
--- a/tempest/services/volume/json/availability_zone_client.py
+++ b/tempest/services/volume/json/availability_zone_client.py
@@ -13,12 +13,12 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
+from oslo_serialization import jsonutils as json
 
 from tempest.common import service_client
 
 
-class BaseVolumeAvailabilityZoneClientJSON(service_client.ServiceClient):
+class BaseVolumeAvailabilityZoneClient(service_client.ServiceClient):
 
     def list_availability_zones(self):
         resp, body = self.get('os-availability-zone')
@@ -27,7 +27,7 @@
         return service_client.ResponseBody(resp, body['availabilityZoneInfo'])
 
 
-class VolumeAvailabilityZoneClientJSON(BaseVolumeAvailabilityZoneClientJSON):
+class VolumeAvailabilityZoneClient(BaseVolumeAvailabilityZoneClient):
     """
     Volume V1 availability zone client.
     """
diff --git a/tempest/services/volume/json/backups_client.py b/tempest/services/volume/json/backups_client.py
index 83ec182..0f83b8d 100644
--- a/tempest/services/volume/json/backups_client.py
+++ b/tempest/services/volume/json/backups_client.py
@@ -13,14 +13,15 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
 import time
 
+from oslo_serialization import jsonutils as json
+
 from tempest.common import service_client
 from tempest import exceptions
 
 
-class BaseBackupsClientJSON(service_client.ServiceClient):
+class BaseBackupsClient(service_client.ServiceClient):
     """
     Client class to send CRUD Volume backup API requests to a Cinder endpoint
     """
@@ -95,5 +96,5 @@
                 raise exceptions.TimeoutException(message)
 
 
-class BackupsClientJSON(BaseBackupsClientJSON):
+class BackupsClient(BaseBackupsClient):
     """Volume V1 Backups client"""
diff --git a/tempest/services/volume/json/extensions_client.py b/tempest/services/volume/json/extensions_client.py
index 8a7bce7..1098e1e 100644
--- a/tempest/services/volume/json/extensions_client.py
+++ b/tempest/services/volume/json/extensions_client.py
@@ -13,12 +13,12 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
+from oslo_serialization import jsonutils as json
 
 from tempest.common import service_client
 
 
-class BaseExtensionsClientJSON(service_client.ServiceClient):
+class BaseExtensionsClient(service_client.ServiceClient):
 
     def list_extensions(self):
         url = 'extensions'
@@ -28,7 +28,7 @@
         return service_client.ResponseBodyList(resp, body['extensions'])
 
 
-class ExtensionsClientJSON(BaseExtensionsClientJSON):
+class ExtensionsClient(BaseExtensionsClient):
     """
     Volume V1 extensions client.
     """
diff --git a/tempest/services/volume/json/qos_client.py b/tempest/services/volume/json/qos_client.py
index e9d3777..e3d6a29 100644
--- a/tempest/services/volume/json/qos_client.py
+++ b/tempest/services/volume/json/qos_client.py
@@ -12,16 +12,16 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
 import time
 
+from oslo_serialization import jsonutils as json
 from tempest_lib import exceptions as lib_exc
 
 from tempest.common import service_client
 from tempest import exceptions
 
 
-class BaseQosSpecsClientJSON(service_client.ServiceClient):
+class BaseQosSpecsClient(service_client.ServiceClient):
     """Client class to send CRUD QoS API requests"""
 
     def is_resource_deleted(self, qos_id):
@@ -157,5 +157,5 @@
         return service_client.ResponseBody(resp, body)
 
 
-class QosSpecsClientJSON(BaseQosSpecsClientJSON):
+class QosSpecsClient(BaseQosSpecsClient):
     """Volume V1 QoS client."""
diff --git a/tempest/services/volume/json/snapshots_client.py b/tempest/services/volume/json/snapshots_client.py
index cfa02bd..fa1f9dd 100644
--- a/tempest/services/volume/json/snapshots_client.py
+++ b/tempest/services/volume/json/snapshots_client.py
@@ -10,10 +10,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
 import time
 
 from oslo_log import log as logging
+from oslo_serialization import jsonutils as json
 from six.moves.urllib import parse as urllib
 from tempest_lib import exceptions as lib_exc
 
@@ -24,7 +24,7 @@
 LOG = logging.getLogger(__name__)
 
 
-class BaseSnapshotsClientJSON(service_client.ServiceClient):
+class BaseSnapshotsClient(service_client.ServiceClient):
     """Base Client class to send CRUD Volume API requests."""
 
     create_resp = 200
@@ -198,5 +198,5 @@
         return service_client.ResponseBody(resp, body)
 
 
-class SnapshotsClientJSON(BaseSnapshotsClientJSON):
+class SnapshotsClient(BaseSnapshotsClient):
     """Client class to send CRUD Volume V1 API requests."""
diff --git a/tempest/services/volume/json/volumes_client.py b/tempest/services/volume/json/volumes_client.py
index 65aa0f4..26f186e 100644
--- a/tempest/services/volume/json/volumes_client.py
+++ b/tempest/services/volume/json/volumes_client.py
@@ -13,17 +13,16 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
-import time
-
+from oslo_serialization import jsonutils as json
+import six
 from six.moves.urllib import parse as urllib
 from tempest_lib import exceptions as lib_exc
 
 from tempest.common import service_client
-from tempest import exceptions
+from tempest.common import waiters
 
 
-class BaseVolumesClientJSON(service_client.ServiceClient):
+class BaseVolumesClient(service_client.ServiceClient):
     """
     Base client class to send CRUD Volume API requests to a Cinder endpoint
     """
@@ -32,7 +31,7 @@
 
     def __init__(self, auth_provider, service, region,
                  default_volume_size=1, **kwargs):
-        super(BaseVolumesClientJSON, self).__init__(
+        super(BaseVolumesClient, self).__init__(
             auth_provider, service, region, **kwargs)
         self.default_volume_size = default_volume_size
 
@@ -40,18 +39,57 @@
         """Return the element 'attachment' from input volumes."""
         return volume['attachments'][0]
 
-    def list_volumes(self, detail=False, params=None):
-        """List all the volumes created."""
+    def _ext_get(self, url, key=None, status=200):
+        """Extended get method.
+
+        Retrieves requested url, checks that status is expected status and
+        return a ResponseBody, ResponseBodyList or ResponseBodyData depending
+        on received data's key entry.
+
+        If key is not specified or is None we will return the whole body in a
+        ResponseBody class.
+        """
+
+        resp, body = self.get(url)
+        body = json.loads(body)
+        self.expected_success(status, resp.status)
+
+        if not key:
+            return service_client.ResponseBody(resp, body)
+        elif isinstance(body[key], dict):
+            return service_client.ResponseBody(resp, body[key])
+        elif isinstance(body[key], list):
+            return service_client.ResponseBodyList(resp, body[key])
+
+        return service_client.ResponseBodyData(resp, body[key])
+
+    def _prepare_params(self, params):
+        """Prepares params for use in get or _ext_get methods.
+
+        If params is a string it will be left as it is, but if it's not it will
+        be urlencoded.
+        """
+        if isinstance(params, six.string_types):
+            return params
+        return urllib.urlencode(params)
+
+    def list_volumes(self, detail=False, params=None, return_body=False):
+        """List all the volumes created.
+
+        Params can be a string (must be urlencoded) or a dictionary.
+        If return_body is True then we will return the whole response body in
+        a ResponseBody class, it it's False or has not been specified we will
+        return only the list of volumes in a ResponseBodyList (inherits from
+        list).
+        """
         url = 'volumes'
         if detail:
             url += '/detail'
         if params:
-            url += '?%s' % urllib.urlencode(params)
+            url += '?%s' % self._prepare_params(params)
 
-        resp, body = self.get(url)
-        body = json.loads(body)
-        self.expected_success(200, resp.status)
-        return service_client.ResponseBodyList(resp, body['volumes'])
+        key = None if return_body else 'volumes'
+        return self._ext_get(url, key)
 
     def show_volume(self, volume_id):
         """Returns the details of a single volume."""
@@ -161,25 +199,7 @@
 
     def wait_for_volume_status(self, volume_id, status):
         """Waits for a Volume to reach a given status."""
-        body = self.show_volume(volume_id)
-        volume_status = body['status']
-        start = int(time.time())
-
-        while volume_status != status:
-            time.sleep(self.build_interval)
-            body = self.show_volume(volume_id)
-            volume_status = body['status']
-            if volume_status == 'error':
-                raise exceptions.VolumeBuildErrorException(volume_id=volume_id)
-
-            if int(time.time()) - start >= self.build_timeout:
-                message = ('Volume %s failed to reach %s status (current: %s) '
-                           'within the required time '
-                           '(%s s).' % (volume_id,
-                                        status,
-                                        volume_status,
-                                        self.build_timeout))
-                raise exceptions.TimeoutException(message)
+        waiters.wait_for_volume_status(self, volume_id, status)
 
     def is_resource_deleted(self, id):
         try:
@@ -345,7 +365,7 @@
         self.expected_success(202, resp.status)
 
 
-class VolumesClientJSON(BaseVolumesClientJSON):
+class VolumesClient(BaseVolumesClient):
     """
     Client class to send CRUD Volume V1 API requests to a Cinder endpoint
     """
diff --git a/tempest/services/volume/v2/json/admin/volume_hosts_client.py b/tempest/services/volume/v2/json/admin/volume_hosts_client.py
index b93d031..f0cc03f 100644
--- a/tempest/services/volume/v2/json/admin/volume_hosts_client.py
+++ b/tempest/services/volume/v2/json/admin/volume_hosts_client.py
@@ -17,7 +17,7 @@
 from tempest.services.volume.json.admin import volume_hosts_client
 
 
-class VolumeHostsV2ClientJSON(volume_hosts_client.BaseVolumeHostsClientJSON):
+class VolumeHostsV2Client(volume_hosts_client.BaseVolumeHostsClient):
     """
     Client class to send CRUD Volume V2 API requests to a Cinder endpoint
     """
diff --git a/tempest/services/volume/v2/json/admin/volume_quotas_client.py b/tempest/services/volume/v2/json/admin/volume_quotas_client.py
index 1dc48cd..635b6e1 100644
--- a/tempest/services/volume/v2/json/admin/volume_quotas_client.py
+++ b/tempest/services/volume/v2/json/admin/volume_quotas_client.py
@@ -16,7 +16,7 @@
 from tempest.services.volume.json.admin import volume_quotas_client
 
 
-class VolumeQuotasV2Client(volume_quotas_client.BaseVolumeQuotasClientJSON):
+class VolumeQuotasV2Client(volume_quotas_client.BaseVolumeQuotasClient):
     """
     Client class to send CRUD Volume V2 API requests to a Cinder endpoint
     """
diff --git a/tempest/services/volume/v2/json/admin/volume_services_client.py b/tempest/services/volume/v2/json/admin/volume_services_client.py
index 51224c5..d0efc38 100644
--- a/tempest/services/volume/v2/json/admin/volume_services_client.py
+++ b/tempest/services/volume/v2/json/admin/volume_services_client.py
@@ -16,7 +16,7 @@
 from tempest.services.volume.json.admin import volume_services_client as vs_cli
 
 
-class VolumesServicesV2ClientJSON(vs_cli.BaseVolumesServicesClientJSON):
+class VolumesServicesV2Client(vs_cli.BaseVolumesServicesClient):
     """
     Client class to send CRUD Volume V2 API requests to a Cinder endpoint
     """
diff --git a/tempest/services/volume/v2/json/admin/volume_types_client.py b/tempest/services/volume/v2/json/admin/volume_types_client.py
index 24099b2..1b9ff51 100644
--- a/tempest/services/volume/v2/json/admin/volume_types_client.py
+++ b/tempest/services/volume/v2/json/admin/volume_types_client.py
@@ -17,7 +17,7 @@
 from tempest.services.volume.json.admin import volume_types_client
 
 
-class VolumeTypesV2ClientJSON(volume_types_client.BaseVolumeTypesClientJSON):
+class VolumeTypesV2Client(volume_types_client.BaseVolumeTypesClient):
     """
     Client class to send CRUD Volume V2 API requests to a Cinder endpoint
     """
diff --git a/tempest/services/volume/v2/json/availability_zone_client.py b/tempest/services/volume/v2/json/availability_zone_client.py
index dc85634..2e1ab20 100644
--- a/tempest/services/volume/v2/json/availability_zone_client.py
+++ b/tempest/services/volume/v2/json/availability_zone_client.py
@@ -16,6 +16,6 @@
 from tempest.services.volume.json import availability_zone_client
 
 
-class VolumeV2AvailabilityZoneClientJSON(
-        availability_zone_client.BaseVolumeAvailabilityZoneClientJSON):
+class VolumeV2AvailabilityZoneClient(
+        availability_zone_client.BaseVolumeAvailabilityZoneClient):
     api_version = "v2"
diff --git a/tempest/services/volume/v2/json/backups_client.py b/tempest/services/volume/v2/json/backups_client.py
index 30d9e8e..1ce11ce 100644
--- a/tempest/services/volume/v2/json/backups_client.py
+++ b/tempest/services/volume/v2/json/backups_client.py
@@ -16,7 +16,7 @@
 from tempest.services.volume.json import backups_client
 
 
-class BackupsClientV2JSON(backups_client.BaseBackupsClientJSON):
+class BackupsClientV2(backups_client.BaseBackupsClient):
     """
     Client class to send CRUD Volume V2 API requests to a Cinder endpoint
     """
diff --git a/tempest/services/volume/v2/json/extensions_client.py b/tempest/services/volume/v2/json/extensions_client.py
index 8dda833..3e32c0c 100644
--- a/tempest/services/volume/v2/json/extensions_client.py
+++ b/tempest/services/volume/v2/json/extensions_client.py
@@ -16,5 +16,5 @@
 from tempest.services.volume.json import extensions_client
 
 
-class ExtensionsV2ClientJSON(extensions_client.BaseExtensionsClientJSON):
+class ExtensionsV2Client(extensions_client.BaseExtensionsClient):
     api_version = "v2"
diff --git a/tempest/services/volume/v2/json/qos_client.py b/tempest/services/volume/v2/json/qos_client.py
index d17da6d..42bd1c9 100644
--- a/tempest/services/volume/v2/json/qos_client.py
+++ b/tempest/services/volume/v2/json/qos_client.py
@@ -15,5 +15,5 @@
 from tempest.services.volume.json import qos_client
 
 
-class QosSpecsV2ClientJSON(qos_client.BaseQosSpecsClientJSON):
+class QosSpecsV2Client(qos_client.BaseQosSpecsClient):
     api_version = "v2"
diff --git a/tempest/services/volume/v2/json/snapshots_client.py b/tempest/services/volume/v2/json/snapshots_client.py
index 90580f9..a94f9cd 100644
--- a/tempest/services/volume/v2/json/snapshots_client.py
+++ b/tempest/services/volume/v2/json/snapshots_client.py
@@ -13,7 +13,7 @@
 from tempest.services.volume.json import snapshots_client
 
 
-class SnapshotsV2ClientJSON(snapshots_client.BaseSnapshotsClientJSON):
+class SnapshotsV2Client(snapshots_client.BaseSnapshotsClient):
     """Client class to send CRUD Volume V2 API requests."""
     api_version = "v2"
     create_resp = 202
diff --git a/tempest/services/volume/v2/json/volumes_client.py b/tempest/services/volume/v2/json/volumes_client.py
index 85ffb91..a6d081c 100644
--- a/tempest/services/volume/v2/json/volumes_client.py
+++ b/tempest/services/volume/v2/json/volumes_client.py
@@ -16,7 +16,7 @@
 from tempest.services.volume.json import volumes_client
 
 
-class VolumesV2ClientJSON(volumes_client.BaseVolumesClientJSON):
+class VolumesV2Client(volumes_client.BaseVolumesClient):
     """
     Client class to send CRUD Volume V2 API requests to a Cinder endpoint
     """
diff --git a/tempest/stress/actions/server_create_destroy.py b/tempest/stress/actions/server_create_destroy.py
index c0a3178..d0e4eea 100644
--- a/tempest/stress/actions/server_create_destroy.py
+++ b/tempest/stress/actions/server_create_destroy.py
@@ -12,8 +12,7 @@
 #    See the License for the specific language governing permissions and
 #    limitations under the License.
 
-from tempest_lib.common.utils import data_utils
-
+from tempest.common.utils import data_utils
 from tempest import config
 import tempest.stress.stressaction as stressaction
 
diff --git a/tempest/stress/actions/ssh_floating.py b/tempest/stress/actions/ssh_floating.py
index b2a30e9..9e540fa 100644
--- a/tempest/stress/actions/ssh_floating.py
+++ b/tempest/stress/actions/ssh_floating.py
@@ -13,8 +13,7 @@
 import socket
 import subprocess
 
-from tempest_lib.common.utils import data_utils
-
+from tempest.common.utils import data_utils
 from tempest import config
 import tempest.stress.stressaction as stressaction
 import tempest.test
diff --git a/tempest/stress/actions/volume_attach_delete.py b/tempest/stress/actions/volume_attach_delete.py
index 93400c4..a5e393f 100644
--- a/tempest/stress/actions/volume_attach_delete.py
+++ b/tempest/stress/actions/volume_attach_delete.py
@@ -11,8 +11,7 @@
 #    See the License for the specific language governing permissions and
 #    limitations under the License.
 
-from tempest_lib.common.utils import data_utils
-
+from tempest.common.utils import data_utils
 from tempest import config
 import tempest.stress.stressaction as stressaction
 
diff --git a/tempest/stress/actions/volume_attach_verify.py b/tempest/stress/actions/volume_attach_verify.py
index ea53481..1cd96ed 100644
--- a/tempest/stress/actions/volume_attach_verify.py
+++ b/tempest/stress/actions/volume_attach_verify.py
@@ -12,8 +12,7 @@
 
 import re
 
-from tempest_lib.common.utils import data_utils
-
+from tempest.common.utils import data_utils
 from tempest.common.utils.linux import remote_client
 from tempest import config
 import tempest.stress.stressaction as stressaction
diff --git a/tempest/stress/actions/volume_create_delete.py b/tempest/stress/actions/volume_create_delete.py
index b1899a0..4870055 100644
--- a/tempest/stress/actions/volume_create_delete.py
+++ b/tempest/stress/actions/volume_create_delete.py
@@ -10,8 +10,7 @@
 #    See the License for the specific language governing permissions and
 #    limitations under the License.
 
-from tempest_lib.common.utils import data_utils
-
+from tempest.common.utils import data_utils
 import tempest.stress.stressaction as stressaction
 
 
diff --git a/tempest/stress/cleanup.py b/tempest/stress/cleanup.py
index 29c4401..d9b430e 100644
--- a/tempest/stress/cleanup.py
+++ b/tempest/stress/cleanup.py
@@ -24,7 +24,7 @@
 def cleanup():
     admin_manager = clients.AdminManager()
 
-    body = admin_manager.servers_client.list_servers({"all_tenants": True})
+    body = admin_manager.servers_client.list_servers(all_tenants=True)
     LOG.info("Cleanup::remove %s servers" % len(body['servers']))
     for s in body['servers']:
         try:
diff --git a/tempest/stress/driver.py b/tempest/stress/driver.py
index 3f8e537..bdb39d8 100644
--- a/tempest/stress/driver.py
+++ b/tempest/stress/driver.py
@@ -22,10 +22,11 @@
 import six
 from six import moves
 from tempest_lib.common import ssh
-from tempest_lib.common.utils import data_utils
+
 
 from tempest import clients
 from tempest.common import isolated_creds
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import exceptions
 from tempest.stress import cleanup
diff --git a/tempest/test.py b/tempest/test.py
index 0d709f6c..0e60041 100644
--- a/tempest/test.py
+++ b/tempest/test.py
@@ -15,7 +15,6 @@
 
 import atexit
 import functools
-import json
 import os
 import re
 import sys
@@ -25,6 +24,7 @@
 
 import fixtures
 from oslo_log import log as logging
+from oslo_serialization import jsonutils as json
 from oslo_utils import importutils
 import six
 import testscenarios
@@ -43,7 +43,7 @@
 CONF = config.CONF
 
 
-def attr(*args, **kwargs):
+def attr(**kwargs):
     """A decorator which applies the  testtools attr decorator
 
     This decorator applies the testtools.testcase.attr if it is in the list of
@@ -98,7 +98,7 @@
     return service_list
 
 
-def services(*args, **kwargs):
+def services(*args):
     """A decorator used to set an attr for each service used in a test case
 
     This decorator applies a testtools attr for each service that gets
@@ -128,7 +128,7 @@
     return decorator
 
 
-def stresstest(*args, **kwargs):
+def stresstest(**kwargs):
     """Add stress test decorator
 
     For all functions with this decorator a attr stress will be
@@ -154,7 +154,7 @@
     return decorator
 
 
-def requires_ext(*args, **kwargs):
+def requires_ext(**kwargs):
     """A decorator to skip tests if an extension is not enabled
 
     @param extension
diff --git a/tempest/test_discover/plugins.py b/tempest/test_discover/plugins.py
new file mode 100644
index 0000000..197bd0c
--- /dev/null
+++ b/tempest/test_discover/plugins.py
@@ -0,0 +1,56 @@
+# Copyright (c) 2015 Hewlett-Packard Development Company, L.P.
+#
+# 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.
+
+import abc
+
+import six
+import stevedore
+from tempest_lib.common.utils import misc
+
+
+@six.add_metaclass(abc.ABCMeta)
+class TempestPlugin(object):
+    """A TempestPlugin class provides the basic hooks for an external
+    plugin to provide tempest the necessary information to run the plugin.
+    """
+
+    @abc.abstractmethod
+    def load_tests(self):
+        """Method to return the information necessary to load the tests in the
+        plugin.
+
+        :return: a tuple with the first value being the test_dir and the second
+                 being the top_level
+        :rtype: tuple
+        """
+        return
+
+
+@misc.singleton
+class TempestTestPluginManager(object):
+    """Tempest test plugin manager class
+
+    This class is used to manage the lifecycle of external tempest test
+    plugins. It provides functions for getting set
+    """
+    def __init__(self):
+        self.ext_plugins = stevedore.ExtensionManager(
+            'tempest.test.plugins', invoke_on_load=True,
+            propagate_map_exceptions=True)
+
+    def get_plugin_load_tests_tuple(self):
+        load_tests_dict = {}
+        for plug in self.ext_plugins:
+            load_tests_dict[plug.name] = plug.obj.load_tests()
+        return load_tests_dict
diff --git a/tempest/test_discover/test_discover.py b/tempest/test_discover/test_discover.py
index 4a4b43a..86aa855 100644
--- a/tempest/test_discover/test_discover.py
+++ b/tempest/test_discover/test_discover.py
@@ -15,6 +15,8 @@
 import os
 import sys
 
+from tempest.test_discover import plugins
+
 if sys.version_info >= (2, 7):
     import unittest
 else:
@@ -22,14 +24,32 @@
 
 
 def load_tests(loader, tests, pattern):
+    ext_plugins = plugins.TempestTestPluginManager()
+
     suite = unittest.TestSuite()
     base_path = os.path.split(os.path.dirname(os.path.abspath(__file__)))[0]
     base_path = os.path.split(base_path)[0]
-    for test_dir in ['./tempest/api', './tempest/scenario',
-                     './tempest/thirdparty']:
+    # Load local tempest tests
+    for test_dir in ['tempest/api', 'tempest/scenario',
+                     'tempest/thirdparty']:
+        full_test_dir = os.path.join(base_path, test_dir)
         if not pattern:
-            suite.addTests(loader.discover(test_dir, top_level_dir=base_path))
+            suite.addTests(loader.discover(full_test_dir,
+                                           top_level_dir=base_path))
+        else:
+            suite.addTests(loader.discover(full_test_dir, pattern=pattern,
+                           top_level_dir=base_path))
+
+    plugin_load_tests = ext_plugins.get_plugin_load_tests_tuple()
+    if not plugin_load_tests:
+        return suite
+
+    # Load any installed plugin tests
+    for plugin in plugin_load_tests:
+        test_dir, top_path = plugin_load_tests[plugin]
+        if not pattern:
+            suite.addTests(loader.discover(test_dir, top_level=top_path))
         else:
             suite.addTests(loader.discover(test_dir, pattern=pattern,
-                           top_level_dir=base_path))
+                                           top_level=top_path))
     return suite
diff --git a/tempest/tests/cmd/test_verify_tempest_config.py b/tempest/tests/cmd/test_verify_tempest_config.py
index 7286d76..6bc96f2 100644
--- a/tempest/tests/cmd/test_verify_tempest_config.py
+++ b/tempest/tests/cmd/test_verify_tempest_config.py
@@ -12,9 +12,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
 
 import mock
+from oslo_serialization import jsonutils as json
 from oslotest import mockpatch
 
 from tempest.cmd import verify_tempest_config
diff --git a/tempest/tests/common/test_accounts.py b/tempest/tests/common/test_accounts.py
index 2ca20f9..8fc3745 100644
--- a/tempest/tests/common/test_accounts.py
+++ b/tempest/tests/common/test_accounts.py
@@ -296,7 +296,7 @@
             return_value=test_accounts))
         test_accounts_class = accounts.Accounts('v2', 'test_name')
         with mock.patch('tempest.services.compute.json.networks_client.'
-                        'NetworksClientJSON.list_networks',
+                        'NetworksClient.list_networks',
                         return_value=[{'name': 'network-2', 'id': 'fake-id',
                                        'label': 'network-2'}]):
             creds = test_accounts_class.get_creds_by_roles(['role-7'])
diff --git a/tempest/tests/common/test_service_clients.py b/tempest/tests/common/test_service_clients.py
index c6c1053..695d4a4 100644
--- a/tempest/tests/common/test_service_clients.py
+++ b/tempest/tests/common/test_service_clients.py
@@ -24,6 +24,8 @@
 from tempest.services.compute.json import extensions_client
 from tempest.services.compute.json import fixed_ips_client
 from tempest.services.compute.json import flavors_client
+from tempest.services.compute.json import floating_ip_pools_client
+from tempest.services.compute.json import floating_ips_bulk_client
 from tempest.services.compute.json import floating_ips_client
 from tempest.services.compute.json import hosts_client
 from tempest.services.compute.json import hypervisor_client
@@ -39,6 +41,7 @@
 from tempest.services.compute.json import security_group_default_rules_client \
     as nova_secgrop_default_client
 from tempest.services.compute.json import security_groups_client
+from tempest.services.compute.json import server_groups_client
 from tempest.services.compute.json import servers_client
 from tempest.services.compute.json import services_client
 from tempest.services.compute.json import tenant_usages_client
@@ -104,71 +107,74 @@
     @mock.patch('tempest_lib.common.rest_client.RestClient.__init__')
     def test_service_client_creations_with_specified_args(self, mock_init):
         test_clients = [
-            baremetal_client.BaremetalClientJSON,
-            agents_client.AgentsClientJSON,
-            aggregates_client.AggregatesClientJSON,
-            availability_zone_client.AvailabilityZoneClientJSON,
-            certificates_client.CertificatesClientJSON,
-            extensions_client.ExtensionsClientJSON,
-            fixed_ips_client.FixedIPsClientJSON,
-            flavors_client.FlavorsClientJSON,
-            floating_ips_client.FloatingIPsClientJSON,
-            hosts_client.HostsClientJSON,
-            hypervisor_client.HypervisorClientJSON,
-            images_client.ImagesClientJSON,
-            instance_usage_audit_log_client.InstanceUsagesAuditLogClientJSON,
-            interfaces_client.InterfacesClientJSON,
-            keypairs_client.KeyPairsClientJSON,
-            limits_client.LimitsClientJSON,
-            migrations_client.MigrationsClientJSON,
-            nova_net_client.NetworksClientJSON,
-            quotas_client.QuotasClientJSON,
-            quota_classes_client.QuotaClassesClientJSON,
-            nova_secgrop_default_client.SecurityGroupDefaultRulesClientJSON,
-            security_groups_client.SecurityGroupsClientJSON,
-            servers_client.ServersClientJSON,
-            services_client.ServicesClientJSON,
-            tenant_usages_client.TenantUsagesClientJSON,
-            compute_volumes_extensions_client.VolumesExtensionsClientJSON,
+            baremetal_client.BaremetalClient,
+            agents_client.AgentsClient,
+            aggregates_client.AggregatesClient,
+            availability_zone_client.AvailabilityZoneClient,
+            certificates_client.CertificatesClient,
+            extensions_client.ExtensionsClient,
+            fixed_ips_client.FixedIPsClient,
+            flavors_client.FlavorsClient,
+            floating_ip_pools_client.FloatingIpPoolsClient,
+            floating_ips_bulk_client.FloatingIpsBulkClient,
+            floating_ips_client.FloatingIPsClient,
+            hosts_client.HostsClient,
+            hypervisor_client.HypervisorClient,
+            images_client.ImagesClient,
+            instance_usage_audit_log_client.InstanceUsagesAuditLogClient,
+            interfaces_client.InterfacesClient,
+            keypairs_client.KeyPairsClient,
+            limits_client.LimitsClient,
+            migrations_client.MigrationsClient,
+            nova_net_client.NetworksClient,
+            quotas_client.QuotasClient,
+            quota_classes_client.QuotaClassesClient,
+            nova_secgrop_default_client.SecurityGroupDefaultRulesClient,
+            security_groups_client.SecurityGroupsClient,
+            server_groups_client.ServerGroupsClient,
+            servers_client.ServersClient,
+            services_client.ServicesClient,
+            tenant_usages_client.TenantUsagesClient,
+            compute_volumes_extensions_client.VolumesExtensionsClient,
             data_processing_client.DataProcessingClient,
-            db_flavor_client.DatabaseFlavorsClientJSON,
-            db_version_client.DatabaseVersionsClientJSON,
-            messaging_client.MessagingClientJSON,
-            network_client.NetworkClientJSON,
+            db_flavor_client.DatabaseFlavorsClient,
+            db_version_client.DatabaseVersionsClient,
+            messaging_client.MessagingClient,
+            network_client.NetworkClient,
             account_client.AccountClient,
             container_client.ContainerClient,
             object_client.ObjectClient,
             orchestration_client.OrchestrationClient,
-            telemetry_client.TelemetryClientJSON,
-            qos_client.QosSpecsClientJSON,
-            volume_hosts_client.VolumeHostsClientJSON,
-            volume_quotas_client.VolumeQuotasClientJSON,
-            volume_services_client.VolumesServicesClientJSON,
-            volume_types_client.VolumeTypesClientJSON,
-            volume_az_client.VolumeAvailabilityZoneClientJSON,
-            backups_client.BackupsClientJSON,
-            volume_extensions_client.ExtensionsClientJSON,
-            snapshots_client.SnapshotsClientJSON,
-            volumes_client.VolumesClientJSON,
-            volume_v2_hosts_client.VolumeHostsV2ClientJSON,
+            telemetry_client.TelemetryClient,
+            qos_client.QosSpecsClient,
+            volume_hosts_client.VolumeHostsClient,
+            volume_quotas_client.VolumeQuotasClient,
+            volume_services_client.VolumesServicesClient,
+            volume_types_client.VolumeTypesClient,
+            volume_az_client.VolumeAvailabilityZoneClient,
+            backups_client.BackupsClient,
+            volume_extensions_client.ExtensionsClient,
+            snapshots_client.SnapshotsClient,
+            volumes_client.VolumesClient,
+            volume_v2_hosts_client.VolumeHostsV2Client,
             volume_v2_quotas_client.VolumeQuotasV2Client,
-            volume_v2_services_client.VolumesServicesV2ClientJSON,
-            volume_v2_types_client.VolumeTypesV2ClientJSON,
-            volume_v2_az_client.VolumeV2AvailabilityZoneClientJSON,
-            volume_v2_backups_client.BackupsClientV2JSON,
-            volume_v2_extensions_client.ExtensionsV2ClientJSON,
-            volume_v2_qos_client.QosSpecsV2ClientJSON,
-            volume_v2_snapshots_client.SnapshotsV2ClientJSON,
-            volume_v2_volumes_client.VolumesV2ClientJSON,
-            identity_v2_identity_client.IdentityClientJSON,
-            credentials_client.CredentialsClientJSON,
-            endpoints_client.EndPointClientJSON,
-            identity_v3_identity_client.IdentityV3ClientJSON,
-            policy_client.PolicyClientJSON,
-            region_client.RegionClientJSON,
-            service_client.ServiceClientJSON,
-            image_client.ImageClientJSON,
-            image_v2_client.ImageClientV2JSON
+            volume_v2_services_client.VolumesServicesV2Client,
+            volume_v2_types_client.VolumeTypesV2Client,
+            volume_v2_az_client.VolumeV2AvailabilityZoneClient,
+            volume_v2_backups_client.BackupsClientV2,
+            volume_v2_extensions_client.ExtensionsV2Client,
+            volume_v2_qos_client.QosSpecsV2Client,
+            volume_v2_snapshots_client.SnapshotsV2Client,
+            volume_v2_volumes_client.VolumesV2Client,
+            identity_v2_identity_client.IdentityClient,
+            credentials_client.CredentialsClient,
+            endpoints_client.EndPointClient,
+            identity_v3_identity_client.IdentityV3Client,
+            policy_client.PolicyClient,
+            region_client.RegionClient,
+            service_client.ServiceClient,
+            image_client.ImageClient,
+            image_v2_client.ImageClientV2
         ]
 
         for client in test_clients:
diff --git a/tempest/tests/fake_identity.py b/tempest/tests/fake_identity.py
index ad78f85..d0de927 100644
--- a/tempest/tests/fake_identity.py
+++ b/tempest/tests/fake_identity.py
@@ -13,9 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
-
 import httplib2
+from oslo_serialization import jsonutils as json
 
 FAKE_AUTH_URL = 'http://fake_uri.com/auth'
 
diff --git a/tempest/tests/test_glance_http.py b/tempest/tests/test_glance_http.py
index 7850ee4..105caec 100644
--- a/tempest/tests/test_glance_http.py
+++ b/tempest/tests/test_glance_http.py
@@ -13,10 +13,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
 import socket
 
 import mock
+from oslo_serialization import jsonutils as json
 from oslotest import mockpatch
 import six
 from six.moves import http_client as httplib
@@ -137,7 +137,8 @@
         resp, body = self.client.raw_request('PUT', '/images', body=req_body)
         self.assertEqual(200, resp.status)
         self.assertEqual('fake_response_body', body.read())
-        httplib.HTTPConnection.send.assert_call_count(req_body.tell())
+        call_count = httplib.HTTPConnection.send.call_count
+        self.assertEqual(call_count - 1, req_body.tell())
 
     def test_get_connection_class_for_https(self):
         conn_class = self.client.get_connection_class('https')
diff --git a/tempest/tests/test_tenant_isolation.py b/tempest/tests/test_tenant_isolation.py
index 7fcf8d1..fa1b6f7 100644
--- a/tempest/tests/test_tenant_isolation.py
+++ b/tempest/tests/test_tenant_isolation.py
@@ -46,13 +46,13 @@
     def test_tempest_client(self):
         iso_creds = isolated_creds.IsolatedCreds(name='test class')
         self.assertTrue(isinstance(iso_creds.identity_admin_client,
-                                   json_iden_client.IdentityClientJSON))
+                                   json_iden_client.IdentityClient))
         self.assertTrue(isinstance(iso_creds.network_admin_client,
-                                   json_network_client.NetworkClientJSON))
+                                   json_network_client.NetworkClient))
 
     def _mock_user_create(self, id, name):
         user_fix = self.useFixture(mockpatch.PatchObject(
-            json_iden_client.IdentityClientJSON,
+            json_iden_client.IdentityClient,
             'create_user',
             return_value=(service_client.ResponseBody
                           (200, {'id': id, 'name': name}))))
@@ -60,7 +60,7 @@
 
     def _mock_tenant_create(self, id, name):
         tenant_fix = self.useFixture(mockpatch.PatchObject(
-            json_iden_client.IdentityClientJSON,
+            json_iden_client.IdentityClient,
             'create_tenant',
             return_value=(service_client.ResponseBody
                           (200, {'id': id, 'name': name}))))
@@ -68,7 +68,7 @@
 
     def _mock_list_roles(self, id, name):
         roles_fix = self.useFixture(mockpatch.PatchObject(
-            json_iden_client.IdentityClientJSON,
+            json_iden_client.IdentityClient,
             'list_roles',
             return_value=(service_client.ResponseBodyList
                           (200,
@@ -78,7 +78,7 @@
 
     def _mock_list_2_roles(self):
         roles_fix = self.useFixture(mockpatch.PatchObject(
-            json_iden_client.IdentityClientJSON,
+            json_iden_client.IdentityClient,
             'list_roles',
             return_value=(service_client.ResponseBodyList
                           (200,
@@ -89,7 +89,7 @@
 
     def _mock_assign_user_role(self):
         tenant_fix = self.useFixture(mockpatch.PatchObject(
-            json_iden_client.IdentityClientJSON,
+            json_iden_client.IdentityClient,
             'assign_user_role',
             return_value=(service_client.ResponseBody
                           (200, {}))))
@@ -97,7 +97,7 @@
 
     def _mock_list_role(self):
         roles_fix = self.useFixture(mockpatch.PatchObject(
-            json_iden_client.IdentityClientJSON,
+            json_iden_client.IdentityClient,
             'list_roles',
             return_value=(service_client.ResponseBodyList
                           (200, [{'id': '1', 'name': 'FakeRole'}]))))
@@ -105,7 +105,7 @@
 
     def _mock_list_ec2_credentials(self, user_id, tenant_id):
         ec2_creds_fix = self.useFixture(mockpatch.PatchObject(
-            json_iden_client.IdentityClientJSON,
+            json_iden_client.IdentityClient,
             'list_user_ec2_credentials',
             return_value=(service_client.ResponseBodyList
                           (200, [{'access': 'fake_access',
@@ -131,7 +131,7 @@
 
     def _mock_router_create(self, id, name):
         router_fix = self.useFixture(mockpatch.PatchObject(
-            json_network_client.NetworkClientJSON,
+            json_network_client.NetworkClient,
             'create_router',
             return_value={'router': {'id': id, 'name': name}}))
         return router_fix
@@ -159,11 +159,11 @@
         self._mock_user_create('1234', 'fake_admin_user')
         self._mock_tenant_create('1234', 'fake_admin_tenant')
 
-        user_mock = mock.patch.object(json_iden_client.IdentityClientJSON,
+        user_mock = mock.patch.object(json_iden_client.IdentityClient,
                                       'assign_user_role')
         user_mock.start()
         self.addCleanup(user_mock.stop)
-        with mock.patch.object(json_iden_client.IdentityClientJSON,
+        with mock.patch.object(json_iden_client.IdentityClient,
                                'assign_user_role') as user_mock:
             admin_creds = iso_creds.get_admin_creds()
         user_mock.assert_has_calls([
@@ -182,11 +182,11 @@
         self._mock_user_create('1234', 'fake_role_user')
         self._mock_tenant_create('1234', 'fake_role_tenant')
 
-        user_mock = mock.patch.object(json_iden_client.IdentityClientJSON,
+        user_mock = mock.patch.object(json_iden_client.IdentityClient,
                                       'assign_user_role')
         user_mock.start()
         self.addCleanup(user_mock.stop)
-        with mock.patch.object(json_iden_client.IdentityClientJSON,
+        with mock.patch.object(json_iden_client.IdentityClient,
                                'assign_user_role') as user_mock:
             role_creds = iso_creds.get_creds_by_roles(roles=['role1', 'role2'])
         calls = user_mock.mock_calls
@@ -220,10 +220,10 @@
         iso_creds.get_admin_creds()
         user_mock = self.patch(
             'tempest.services.identity.v2.json.identity_client.'
-            'IdentityClientJSON.delete_user')
+            'IdentityClient.delete_user')
         tenant_mock = self.patch(
             'tempest.services.identity.v2.json.identity_client.'
-            'IdentityClientJSON.delete_tenant')
+            'IdentityClient.delete_tenant')
         iso_creds.clear_isolated_creds()
         # Verify user delete calls
         calls = user_mock.mock_calls
@@ -297,7 +297,7 @@
         self._mock_subnet_create(iso_creds, '1234', 'fake_subnet')
         self._mock_router_create('1234', 'fake_router')
         router_interface_mock = self.patch(
-            'tempest.services.network.json.network_client.NetworkClientJSON.'
+            'tempest.services.network.json.network_client.NetworkClient.'
             'add_router_interface_with_subnet_id')
         primary_creds = iso_creds.get_primary_creds()
         router_interface_mock.called_once_with('1234', '1234')
@@ -329,7 +329,7 @@
         self._mock_subnet_create(iso_creds, '1234', 'fake_subnet')
         self._mock_router_create('1234', 'fake_router')
         router_interface_mock = self.patch(
-            'tempest.services.network.json.network_client.NetworkClientJSON.'
+            'tempest.services.network.json.network_client.NetworkClient.'
             'add_router_interface_with_subnet_id')
         iso_creds.get_primary_creds()
         router_interface_mock.called_once_with('1234', '1234')
@@ -355,9 +355,9 @@
         self._mock_list_roles('123456', 'admin')
         iso_creds.get_admin_creds()
         self.patch('tempest.services.identity.v2.json.identity_client.'
-                   'IdentityClientJSON.delete_user')
+                   'IdentityClient.delete_user')
         self.patch('tempest.services.identity.v2.json.identity_client.'
-                   'IdentityClientJSON.delete_tenant')
+                   'IdentityClient.delete_tenant')
         net = mock.patch.object(iso_creds.network_admin_client,
                                 'delete_network')
         net_mock = net.start()
@@ -368,7 +368,7 @@
                                    'delete_router')
         router_mock = router.start()
         remove_router_interface_mock = self.patch(
-            'tempest.services.network.json.network_client.NetworkClientJSON.'
+            'tempest.services.network.json.network_client.NetworkClient.'
             'remove_router_interface_with_subnet_id')
         return_values = ({'status': 200}, {'ports': []})
         port_list_mock = mock.patch.object(iso_creds.network_admin_client,
@@ -384,7 +384,7 @@
         return_values = (fake_http.fake_httplib({}, status=204), {})
         remove_secgroup_mock = self.patch(
             'tempest.services.network.json.network_client.'
-            'NetworkClientJSON.delete', return_value=return_values)
+            'NetworkClient.delete', return_value=return_values)
         iso_creds.clear_isolated_creds()
         # Verify default security group delete
         calls = remove_secgroup_mock.mock_calls
@@ -438,7 +438,7 @@
         self._mock_subnet_create(iso_creds, '1234', 'fake_alt_subnet')
         self._mock_router_create('1234', 'fake_alt_router')
         router_interface_mock = self.patch(
-            'tempest.services.network.json.network_client.NetworkClientJSON.'
+            'tempest.services.network.json.network_client.NetworkClient.'
             'add_router_interface_with_subnet_id')
         alt_creds = iso_creds.get_alt_creds()
         router_interface_mock.called_once_with('1234', '1234')
@@ -462,7 +462,7 @@
         self._mock_subnet_create(iso_creds, '1234', 'fake_admin_subnet')
         self._mock_router_create('1234', 'fake_admin_router')
         router_interface_mock = self.patch(
-            'tempest.services.network.json.network_client.NetworkClientJSON.'
+            'tempest.services.network.json.network_client.NetworkClient.'
             'add_router_interface_with_subnet_id')
         self._mock_list_roles('123456', 'admin')
         admin_creds = iso_creds.get_admin_creds()
diff --git a/tempest/thirdparty/boto/test_ec2_instance_run.py b/tempest/thirdparty/boto/test_ec2_instance_run.py
index b7f0e81..920f602 100644
--- a/tempest/thirdparty/boto/test_ec2_instance_run.py
+++ b/tempest/thirdparty/boto/test_ec2_instance_run.py
@@ -14,8 +14,8 @@
 #    under the License.
 
 from oslo_log import log as logging
-from tempest_lib.common.utils import data_utils
 
+from tempest.common.utils import data_utils
 from tempest.common.utils.linux import remote_client
 from tempest import config
 from tempest import exceptions
diff --git a/tempest/thirdparty/boto/test_ec2_keys.py b/tempest/thirdparty/boto/test_ec2_keys.py
index 58a5776..1b58cb4 100644
--- a/tempest/thirdparty/boto/test_ec2_keys.py
+++ b/tempest/thirdparty/boto/test_ec2_keys.py
@@ -13,8 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
+from tempest.common.utils import data_utils
 from tempest import test
 from tempest.thirdparty.boto import test as boto_test
 
diff --git a/tempest/thirdparty/boto/test_ec2_security_groups.py b/tempest/thirdparty/boto/test_ec2_security_groups.py
index 94fab09..88ff154 100644
--- a/tempest/thirdparty/boto/test_ec2_security_groups.py
+++ b/tempest/thirdparty/boto/test_ec2_security_groups.py
@@ -13,8 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
+from tempest.common.utils import data_utils
 from tempest import test
 from tempest.thirdparty.boto import test as boto_test
 
diff --git a/tempest/thirdparty/boto/test_s3_buckets.py b/tempest/thirdparty/boto/test_s3_buckets.py
index 45401fd..f008973 100644
--- a/tempest/thirdparty/boto/test_s3_buckets.py
+++ b/tempest/thirdparty/boto/test_s3_buckets.py
@@ -13,8 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common.utils import data_utils
-
+from tempest.common.utils import data_utils
 from tempest import test
 from tempest.thirdparty.boto import test as boto_test
 
diff --git a/tempest/thirdparty/boto/test_s3_ec2_images.py b/tempest/thirdparty/boto/test_s3_ec2_images.py
index 1521249..c41c7ac 100644
--- a/tempest/thirdparty/boto/test_s3_ec2_images.py
+++ b/tempest/thirdparty/boto/test_s3_ec2_images.py
@@ -15,8 +15,7 @@
 
 import os
 
-from tempest_lib.common.utils import data_utils
-
+from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 from tempest.thirdparty.boto import test as boto_test
diff --git a/tempest/thirdparty/boto/test_s3_objects.py b/tempest/thirdparty/boto/test_s3_objects.py
index dba231c..c42d85c 100644
--- a/tempest/thirdparty/boto/test_s3_objects.py
+++ b/tempest/thirdparty/boto/test_s3_objects.py
@@ -16,8 +16,8 @@
 import contextlib
 
 import boto.s3.key
-from tempest_lib.common.utils import data_utils
 
+from tempest.common.utils import data_utils
 from tempest import test
 from tempest.thirdparty.boto import test as boto_test
 
diff --git a/test-requirements.txt b/test-requirements.txt
index 9bd3f46..7115168 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -7,7 +7,7 @@
 python-subunit>=0.0.18
 oslosphinx>=2.5.0 # Apache-2.0
 mox>=0.5.3
-mock>=1.0
+mock>=1.1;python_version!='2.6'
+mock==1.0.1;python_version=='2.6'
 coverage>=3.6
 oslotest>=1.5.1 # Apache-2.0
-stevedore>=1.5.0 # Apache-2.0
diff --git a/tools/install_venv.py b/tools/install_venv.py
index 96b8279..d6d9c8e 100644
--- a/tools/install_venv.py
+++ b/tools/install_venv.py
@@ -48,11 +48,11 @@
 def main(argv):
     root = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
 
-    if os.environ.get('tools_path'):
-        root = os.environ['tools_path']
+    if os.environ.get('TOOLS_PATH'):
+        root = os.environ['TOOLS_PATH']
     venv = os.path.join(root, '.venv')
-    if os.environ.get('venv'):
-        venv = os.environ['venv']
+    if os.environ.get('VENV'):
+        venv = os.environ['VENV']
 
     pip_requires = os.path.join(root, 'requirements.txt')
     test_requires = os.path.join(root, 'test-requirements.txt')
diff --git a/tools/install_venv_common.py b/tools/install_venv_common.py
index 743b59d..e279159 100644
--- a/tools/install_venv_common.py
+++ b/tools/install_venv_common.py
@@ -101,6 +101,7 @@
             print('done.')
         else:
             print("venv already exists...")
+            pass
 
     def pip_install(self, *args):
         self.run_command(['tools/with_venv.sh',
@@ -124,7 +125,7 @@
         parser.add_option('-n', '--no-site-packages',
                           action='store_true',
                           help="Do not inherit packages from global Python "
-                               "install")
+                               "install.")
         return parser.parse_args(argv[1:])[0]
 
 
diff --git a/tools/with_venv.sh b/tools/with_venv.sh
index 550c477..165c883 100755
--- a/tools/with_venv.sh
+++ b/tools/with_venv.sh
@@ -1,4 +1,6 @@
 #!/bin/bash
-TOOLS=`dirname $0`
-VENV=$TOOLS/../.venv
-source $VENV/bin/activate && "$@"
+TOOLS_PATH=${TOOLS_PATH:-$(dirname $0)/../}
+VENV_PATH=${VENV_PATH:-${TOOLS_PATH}}
+VENV_DIR=${VENV_DIR:-/.venv}
+VENV=${VENV:-${VENV_PATH}/${VENV_DIR}}
+source ${VENV}/bin/activate && "$@"