diff --git a/requirements.txt b/requirements.txt
index ffe6f26..17d063d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 pbr>=1.6
-cliff>=1.14.0 # Apache-2.0
+cliff>=1.15.0 # Apache-2.0
 anyjson>=0.3.3
 httplib2>=0.7.5
 jsonschema!=2.5.0,<3.0.0,>=2.0.0
diff --git a/run_tempest.sh b/run_tempest.sh
index 0f32045..a704684 100755
--- a/run_tempest.sh
+++ b/run_tempest.sh
@@ -104,9 +104,9 @@
   fi
 
   if [ $serial -eq 1 ]; then
-      ${wrapper} testr run --subunit $testrargs | ${wrapper} subunit-2to1 | ${wrapper} tools/colorizer.py
+      ${wrapper} testr run --subunit $testrargs | ${wrapper} subunit-trace -n -f
   else
-      ${wrapper} testr run --parallel --subunit $testrargs | ${wrapper} subunit-2to1 | ${wrapper} tools/colorizer.py
+      ${wrapper} testr run --parallel --subunit $testrargs | ${wrapper} subunit-trace -n -f
   fi
 }
 
diff --git a/tempest/api/identity/admin/v3/test_groups.py b/tempest/api/identity/admin/v3/test_groups.py
index 82e4ec8..260ea54 100644
--- a/tempest/api/identity/admin/v3/test_groups.py
+++ b/tempest/api/identity/admin/v3/test_groups.py
@@ -42,6 +42,21 @@
         self.assertEqual(new_name, new_group['name'])
         self.assertEqual(new_desc, new_group['description'])
 
+    @test.idempotent_id('b66eb441-b08a-4a6d-81ab-fef71baeb26c')
+    def test_group_update_with_few_fields(self):
+        name = data_utils.rand_name('Group')
+        old_description = data_utils.rand_name('Description')
+        group = self.groups_client.create_group(
+            name=name, description=old_description)['group']
+        self.addCleanup(self.groups_client.delete_group, group['id'])
+
+        new_name = data_utils.rand_name('UpdateGroup')
+        updated_group = self.groups_client.update_group(
+            group['id'], name=new_name)['group']
+        self.assertEqual(new_name, updated_group['name'])
+        # Verify that 'description' is not being updated or deleted.
+        self.assertEqual(old_description, updated_group['description'])
+
     @test.attr(type='smoke')
     @test.idempotent_id('1598521a-2f36-4606-8df9-30772bd51339')
     def test_group_users_add_list_delete(self):
diff --git a/tempest/api/identity/admin/v3/test_users_negative.py b/tempest/api/identity/admin/v3/test_users_negative.py
index ca2aaa4..d40a5b9 100644
--- a/tempest/api/identity/admin/v3/test_users_negative.py
+++ b/tempest/api/identity/admin/v3/test_users_negative.py
@@ -33,3 +33,14 @@
                           u_name, u_password,
                           email=u_email,
                           domain_id=data_utils.rand_uuid_hex())
+
+    @test.attr(type=['negative'])
+    @test.idempotent_id('b3c9fccc-4134-46f5-b600-1da6fb0a3b1f')
+    def test_authentication_for_disabled_user(self):
+        # Attempt to authenticate for disabled user should fail
+        self.data.setup_test_v3_user()
+        self.disable_user(self.data.test_user)
+        self.assertRaises(lib_exc.Unauthorized, self.token.auth,
+                          username=self.data.test_user,
+                          password=self.data.test_password,
+                          user_domain_id='default')
diff --git a/tempest/api/identity/base.py b/tempest/api/identity/base.py
index c56f4fb..0364f3a 100644
--- a/tempest/api/identity/base.py
+++ b/tempest/api/identity/base.py
@@ -170,6 +170,11 @@
         if len(role) > 0:
             return role[0]
 
+    @classmethod
+    def disable_user(cls, user_name):
+        user = cls.get_user_by_name(user_name)
+        cls.client.update_user(user['id'], user_name, enabled=False)
+
     def delete_domain(self, domain_id):
         # NOTE(mpavlase) It is necessary to disable the domain before deleting
         # otherwise it raises Forbidden exception
diff --git a/tempest/api/network/base.py b/tempest/api/network/base.py
index b798cb2..b4ea29b 100644
--- a/tempest/api/network/base.py
+++ b/tempest/api/network/base.py
@@ -105,7 +105,7 @@
             # Clean up metering labels
             for metering_label in cls.metering_labels:
                 cls._try_delete_resource(
-                    cls.admin_client.delete_metering_label,
+                    cls.admin_metering_labels_client.delete_metering_label,
                     metering_label['id'])
             # Clean up ports
             for port in cls.ports:
@@ -272,11 +272,12 @@
         cls.admin_subnets_client = cls.os_adm.subnets_client
         cls.admin_ports_client = cls.os_adm.ports_client
         cls.admin_floating_ips_client = cls.os_adm.floating_ips_client
+        cls.admin_metering_labels_client = cls.os_adm.metering_labels_client
 
     @classmethod
     def create_metering_label(cls, name, description):
         """Wrapper utility that returns a test metering label."""
-        body = cls.admin_client.create_metering_label(
+        body = cls.admin_metering_labels_client.create_metering_label(
             description=description,
             name=data_utils.rand_name("metering-label"))
         metering_label = body['metering_label']
diff --git a/tempest/api/network/test_metering_extensions.py b/tempest/api/network/test_metering_extensions.py
index a213f92..c4021b4 100644
--- a/tempest/api/network/test_metering_extensions.py
+++ b/tempest/api/network/test_metering_extensions.py
@@ -51,9 +51,11 @@
 
     def _delete_metering_label(self, metering_label_id):
         # Deletes a label and verifies if it is deleted or not
-        self.admin_client.delete_metering_label(metering_label_id)
+        self.admin_metering_labels_client.delete_metering_label(
+            metering_label_id)
         # Asserting that the label is not found in list after deletion
-        labels = self.admin_client.list_metering_labels(id=metering_label_id)
+        labels = self.admin_metering_labels_client.list_metering_labels(
+            id=metering_label_id)
         self.assertEqual(len(labels['metering_labels']), 0)
 
     def _delete_metering_label_rule(self, metering_label_rule_id):
@@ -68,7 +70,7 @@
     @test.idempotent_id('e2fb2f8c-45bf-429a-9f17-171c70444612')
     def test_list_metering_labels(self):
         # Verify label filtering
-        body = self.admin_client.list_metering_labels(id=33)
+        body = self.admin_metering_labels_client.list_metering_labels(id=33)
         metering_labels = body['metering_labels']
         self.assertEqual(0, len(metering_labels))
 
@@ -77,21 +79,22 @@
         # Creates a label
         name = data_utils.rand_name('metering-label-')
         description = "label created by tempest"
-        body = self.admin_client.create_metering_label(name=name,
-                                                       description=description)
+        body = self.admin_metering_labels_client.create_metering_label(
+            name=name, description=description)
         metering_label = body['metering_label']
         self.addCleanup(self._delete_metering_label,
                         metering_label['id'])
         # Assert whether created labels are found in labels list or fail
         # if created labels are not found in labels list
-        labels = (self.admin_client.list_metering_labels(
+        labels = (self.admin_metering_labels_client.list_metering_labels(
                   id=metering_label['id']))
         self.assertEqual(len(labels['metering_labels']), 1)
 
     @test.idempotent_id('30abb445-0eea-472e-bd02-8649f54a5968')
     def test_show_metering_label(self):
         # Verifies the details of a label
-        body = self.admin_client.show_metering_label(self.metering_label['id'])
+        body = self.admin_metering_labels_client.show_metering_label(
+            self.metering_label['id'])
         metering_label = body['metering_label']
         self.assertEqual(self.metering_label['id'], metering_label['id'])
         self.assertEqual(self.metering_label['tenant_id'],
diff --git a/tempest/api_schema/response/compute/v2_1/versions.py b/tempest/api_schema/response/compute/v2_1/versions.py
deleted file mode 100644
index 08a9fab..0000000
--- a/tempest/api_schema/response/compute/v2_1/versions.py
+++ /dev/null
@@ -1,110 +0,0 @@
-# Copyright 2015 NEC Corporation.  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 copy
-
-
-_version = {
-    'type': 'object',
-    'properties': {
-        'id': {'type': 'string'},
-        'links': {
-            'type': 'array',
-            'items': {
-                'type': 'object',
-                'properties': {
-                    'href': {'type': 'string', 'format': 'uri'},
-                    'rel': {'type': 'string'},
-                    'type': {'type': 'string'},
-                },
-                'required': ['href', 'rel'],
-                'additionalProperties': False
-            }
-        },
-        'status': {'type': 'string'},
-        'updated': {'type': 'string', 'format': 'date-time'},
-        'version': {'type': 'string'},
-        'min_version': {'type': 'string'},
-        'media-types': {
-            'type': 'array',
-            'properties': {
-                'base': {'type': 'string'},
-                'type': {'type': 'string'},
-            }
-        },
-    },
-    # NOTE: version and min_version have been added since Kilo,
-    # so they should not be required.
-    # NOTE(sdague): media-types only shows up in single version requests.
-    'required': ['id', 'links', 'status', 'updated'],
-    'additionalProperties': False
-}
-
-list_versions = {
-    'status_code': [200],
-    'response_body': {
-        'type': 'object',
-        'properties': {
-            'versions': {
-                'type': 'array',
-                'items': _version
-            }
-        },
-        'required': ['versions'],
-        'additionalProperties': False
-    }
-}
-
-
-_detail_get_version = copy.deepcopy(_version)
-_detail_get_version['properties'].pop('min_version')
-_detail_get_version['properties'].pop('version')
-_detail_get_version['properties'].pop('updated')
-_detail_get_version['properties']['media-types'] = {
-    'type': 'array',
-    'items': {
-        'type': 'object',
-        'properties': {
-            'base': {'type': 'string'},
-            'type': {'type': 'string'}
-        }
-    }
-}
-_detail_get_version['required'] = ['id', 'links', 'status', 'media-types']
-
-get_version = {
-    'status_code': [300],
-    'response_body': {
-        'type': 'object',
-        'properties': {
-            'choices': {
-                'type': 'array',
-                'items': _detail_get_version
-            }
-        },
-        'required': ['choices'],
-        'additionalProperties': False
-    }
-}
-
-get_one_version = {
-    'status_code': [200],
-    'response_body': {
-        'type': 'object',
-        'properties': {
-            'version': _version
-        },
-        'additionalProperties': False
-    }
-}
diff --git a/tempest/clients.py b/tempest/clients.py
index 5883ac7..8f63ab1 100644
--- a/tempest/clients.py
+++ b/tempest/clients.py
@@ -56,6 +56,7 @@
     TenantNetworksClient
 from tempest_lib.services.compute.tenant_usages_client import \
     TenantUsagesClient
+from tempest_lib.services.compute.versions_client import VersionsClient
 from tempest_lib.services.identity.v2.token_client import TokenClient
 from tempest_lib.services.identity.v3.token_client import V3TokenClient
 
@@ -76,7 +77,6 @@
 from tempest.services.compute.json.server_groups_client import \
     ServerGroupsClient
 from tempest.services.compute.json.servers_client import ServersClient
-from tempest.services.compute.json.versions_client import VersionsClient
 from tempest.services.compute.json.volumes_client import \
     VolumesClient as ComputeVolumesClient
 from tempest.services.data_processing.v1_1.data_processing_client import \
@@ -107,6 +107,8 @@
 from tempest.services.messaging.json.messaging_client import \
     MessagingClient
 from tempest.services.network.json.floating_ips_client import FloatingIPsClient
+from tempest.services.network.json.metering_labels_client import \
+    MeteringLabelsClient
 from tempest.services.network.json.network_client import NetworkClient
 from tempest.services.network.json.networks_client import NetworksClient
 from tempest.services.network.json.ports_client import PortsClient
@@ -119,22 +121,22 @@
 from tempest.services.telemetry.json.alarming_client import AlarmingClient
 from tempest.services.telemetry.json.telemetry_client import \
     TelemetryClient
-from tempest.services.volume.json.admin.volume_hosts_client import \
+from tempest.services.volume.v1.json.admin.volume_hosts_client import \
     VolumeHostsClient
-from tempest.services.volume.json.admin.volume_quotas_client import \
+from tempest.services.volume.v1.json.admin.volume_quotas_client import \
     VolumeQuotasClient
-from tempest.services.volume.json.admin.volume_services_client import \
+from tempest.services.volume.v1.json.admin.volume_services_client import \
     VolumesServicesClient
-from tempest.services.volume.json.admin.volume_types_client import \
+from tempest.services.volume.v1.json.admin.volume_types_client import \
     VolumeTypesClient
-from tempest.services.volume.json.availability_zone_client import \
+from tempest.services.volume.v1.json.availability_zone_client import \
     VolumeAvailabilityZoneClient
-from tempest.services.volume.json.backups_client import BackupsClient
-from tempest.services.volume.json.extensions_client import \
+from tempest.services.volume.v1.json.backups_client import BackupsClient
+from tempest.services.volume.v1.json.extensions_client import \
     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.v1.json.qos_client import QosSpecsClient
+from tempest.services.volume.v1.json.snapshots_client import SnapshotsClient
+from tempest.services.volume.v1.json.volumes_client import VolumesClient
 from tempest.services.volume.v2.json.admin.volume_hosts_client import \
     VolumeHostsV2Client
 from tempest.services.volume.v2.json.admin.volume_quotas_client import \
@@ -230,6 +232,14 @@
             build_interval=CONF.network.build_interval,
             build_timeout=CONF.network.build_timeout,
             **self.default_params)
+        self.metering_labels_client = MeteringLabelsClient(
+            self.auth_provider,
+            CONF.network.catalog_type,
+            CONF.network.region or CONF.identity.region,
+            endpoint_type=CONF.network.endpoint_type,
+            build_interval=CONF.network.build_interval,
+            build_timeout=CONF.network.build_timeout,
+            **self.default_params)
         self.messaging_client = MessagingClient(
             self.auth_provider,
             CONF.messaging.catalog_type,
diff --git a/tempest/cmd/cleanup_service.py b/tempest/cmd/cleanup_service.py
index ba6bf6c..f2dd7af 100644
--- a/tempest/cmd/cleanup_service.py
+++ b/tempest/cmd/cleanup_service.py
@@ -387,6 +387,7 @@
         self.subnets_client = manager.subnets_client
         self.ports_client = manager.ports_client
         self.floating_ips_client = manager.floating_ips_client
+        self.metering_labels_client = manager.metering_labels_client
 
     def _filter_by_conf_networks(self, item_list):
         if not item_list or not all(('network_id' in i for i in item_list)):
@@ -600,7 +601,7 @@
 class NetworkMeteringLabelService(NetworkService):
 
     def list(self):
-        client = self.client
+        client = self.metering_labels_client
         labels = client.list_metering_labels()
         labels = labels['metering_labels']
         labels = self._filter_by_tenant_id(labels)
@@ -608,7 +609,7 @@
         return labels
 
     def delete(self):
-        client = self.client
+        client = self.metering_labels_client
         labels = self.list()
         for label in labels:
             try:
diff --git a/tempest/cmd/javelin.py b/tempest/cmd/javelin.py
index 184bb9a..b126ef6 100755
--- a/tempest/cmd/javelin.py
+++ b/tempest/cmd/javelin.py
@@ -135,7 +135,7 @@
 from tempest.services.object_storage import object_client
 from tempest.services.telemetry.json import alarming_client
 from tempest.services.telemetry.json import telemetry_client
-from tempest.services.volume.json import volumes_client
+from tempest.services.volume.v1.json import volumes_client
 
 CONF = config.CONF
 OPTS = {}
diff --git a/tempest/common/compute.py b/tempest/common/compute.py
index 6fc3843..5a14fbe 100644
--- a/tempest/common/compute.py
+++ b/tempest/common/compute.py
@@ -43,7 +43,7 @@
     :param wait_until: Server status to wait for the server to reach after
     its creation.
     :param volume_backed: Whether the instance is volume backed or not.
-    :returns a tuple
+    :returns: a tuple
     """
 
     # TODO(jlanoux) add support of wait_until PINGABLE/SSHABLE
diff --git a/tempest/common/fixed_network.py b/tempest/common/fixed_network.py
index 1928a22..56cd331 100644
--- a/tempest/common/fixed_network.py
+++ b/tempest/common/fixed_network.py
@@ -83,7 +83,7 @@
            is the network to be used, and it's not visible to the tenant
     :param shared_network_name: name of the shared network to be used if no
            tenant network is available in the creds provider
-    :return a dict with 'id' and 'name' of the network
+    :returns: a dict with 'id' and 'name' of the network
     """
     caller = misc_utils.find_test_caller()
     net_creds = creds_provider.get_primary_creds()
diff --git a/tempest/hacking/ignored_list_T110.txt b/tempest/hacking/ignored_list_T110.txt
index f1655d0..211a7d6 100644
--- a/tempest/hacking/ignored_list_T110.txt
+++ b/tempest/hacking/ignored_list_T110.txt
@@ -7,6 +7,6 @@
 ./tempest/services/object_storage/object_client.py
 ./tempest/services/telemetry/json/alarming_client.py
 ./tempest/services/telemetry/json/telemetry_client.py
-./tempest/services/volume/json/qos_client.py
-./tempest/services/volume/json/backups_client.py
+./tempest/services/volume/base/base_qos_client.py
+./tempest/services/volume/base/base_backups_client.py
 ./tempest/services/baremetal/base.py
diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index f61d370..64f9e31 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -23,7 +23,7 @@
 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 import compute
 from tempest.common.utils import data_utils
 from tempest.common.utils.linux import remote_client
 from tempest.common import waiters
@@ -158,52 +158,100 @@
         return body['keypair']
 
     def create_server(self, name=None, image=None, flavor=None,
-                      wait_on_boot=True, wait_on_delete=True,
-                      create_kwargs=None):
-        """Creates VM instance.
+                      validatable=False, wait_until=None,
+                      wait_on_delete=True, clients=None, **kwargs):
+        """Wrapper utility that returns a test server.
 
-        @param image: image from which to create the instance
-        @param wait_on_boot: wait for status ACTIVE before continue
-        @param wait_on_delete: force synchronous delete on cleanup
-        @param create_kwargs: additional details for instance creation
-        @return: server dict
+        This wrapper utility calls the common create test server and
+        returns a test server. The purpose of this wrapper is to minimize
+        the impact on the code of the tests already using this
+        function.
         """
-        if name is None:
-            name = data_utils.rand_name(self.__class__.__name__)
-        if image is None:
-            image = CONF.compute.image_ref
-        if flavor is None:
-            flavor = CONF.compute.flavor_ref
-        if create_kwargs is None:
-            create_kwargs = {}
-        network = self.get_tenant_network()
-        create_kwargs = fixed_network.set_networks_kwarg(network,
-                                                         create_kwargs)
 
-        LOG.debug("Creating a server (name: %s, image: %s, flavor: %s)",
-                  name, image, flavor)
-        server = self.servers_client.create_server(name=name, imageRef=image,
-                                                   flavorRef=flavor,
-                                                   **create_kwargs)['server']
+        # NOTE(jlanoux): As a first step, ssh checks in the scenario
+        # tests need to be run regardless of the run_validation and
+        # validatable parameters and thus until the ssh validation job
+        # becomes voting in CI. The test resources management and IP
+        # association are taken care of in the scenario tests.
+        # Therefore, the validatable parameter is set to false in all
+        # those tests. In this way create_server just return a standard
+        # server and the scenario tests always perform ssh checks.
+
+        # Needed for the cross_tenant_traffic test:
+        if clients is None:
+            clients = self.manager
+
+        vnic_type = CONF.network.port_vnic_type
+
+        # If vnic_type is configured create port for
+        # every network
+        if vnic_type:
+            ports = []
+            networks = []
+            create_port_body = {'binding:vnic_type': vnic_type,
+                                'namestart': 'port-smoke'}
+            if kwargs:
+                # Convert security group names to security group ids
+                # to pass to create_port
+                if 'security_groups' in kwargs:
+                    security_groups =\
+                        clients.network_client.list_security_groups(
+                        ).get('security_groups')
+                    sec_dict = dict([(s['name'], s['id'])
+                                    for s in security_groups])
+
+                    sec_groups_names = [s['name'] for s in kwargs.pop(
+                        'security_groups')]
+                    security_groups_ids = [sec_dict[s]
+                                           for s in sec_groups_names]
+
+                    if security_groups_ids:
+                        create_port_body[
+                            'security_groups'] = security_groups_ids
+                networks = kwargs.pop('networks')
+
+            # If there are no networks passed to us we look up
+            # for the tenant's private networks and create a port
+            # if there is only one private network. The same behaviour
+            # as we would expect when passing the call to the clients
+            # with no networks
+            if not networks:
+                networks = clients.networks_client.list_networks(
+                    filters={'router:external': False})
+                self.assertEqual(1, len(networks),
+                                 "There is more than one"
+                                 " network for the tenant")
+            for net in networks:
+                net_id = net['uuid']
+                port = self._create_port(network_id=net_id,
+                                         client=clients.ports_client,
+                                         **create_port_body)
+                ports.append({'port': port.id})
+            if ports:
+                kwargs['networks'] = ports
+            self.ports = ports
+
+        tenant_network = self.get_tenant_network()
+
+        body, servers = compute.create_test_server(
+            clients,
+            tenant_network=tenant_network,
+            wait_until=wait_until,
+            **kwargs)
+
+        # TODO(jlanoux) Move wait_on_delete in compute.py
         if wait_on_delete:
             self.addCleanup(waiters.wait_for_server_termination,
-                            self.servers_client,
-                            server['id'])
+                            clients.servers_client,
+                            body['id'])
+
         self.addCleanup_with_wait(
             waiter_callable=waiters.wait_for_server_termination,
-            thing_id=server['id'], thing_id_param='server_id',
+            thing_id=body['id'], thing_id_param='server_id',
             cleanup_callable=self.delete_wrapper,
-            cleanup_args=[self.servers_client.delete_server, server['id']],
-            waiter_client=self.servers_client)
-        if wait_on_boot:
-            waiters.wait_for_server_status(self.servers_client,
-                                           server_id=server['id'],
-                                           status='ACTIVE')
-        # The instance retrieved on creation is missing network
-        # details, necessitating retrieval after it becomes active to
-        # ensure correct details.
-        server = self.servers_client.show_server(server['id'])['server']
-        self.assertEqual(server['name'], name)
+            cleanup_args=[clients.servers_client.delete_server, body['id']],
+            waiter_client=clients.servers_client)
+        server = clients.servers_client.show_server(body['id'])['server']
         return server
 
     def create_volume(self, size=None, name=None, snapshot_id=None,
@@ -321,7 +369,7 @@
             username = CONF.scenario.ssh_user
         # Set this with 'keypair' or others to log in with keypair or
         # username/password.
-        if CONF.compute.ssh_auth_method == 'keypair':
+        if CONF.validation.auth_method == 'keypair':
             password = None
             if private_key is None:
                 private_key = self.keypair['private_key']
@@ -491,7 +539,7 @@
 
     def ping_ip_address(self, ip_address, should_succeed=True,
                         ping_timeout=None):
-        timeout = ping_timeout or CONF.compute.ping_timeout
+        timeout = ping_timeout or CONF.validation.ping_timeout
         cmd = ['ping', '-c1', '-w1', ip_address]
 
         def ping():
@@ -696,8 +744,8 @@
         def cidr_in_use(cidr, tenant_id):
             """Check cidr existence
 
-            :return True if subnet with cidr already exist in tenant
-                False else
+            :returns: True if subnet with cidr already exist in tenant
+                  False else
             """
             cidr_in_use = self._list_subnets(tenant_id=tenant_id, cidr=cidr)
             return len(cidr_in_use) != 0
@@ -886,7 +934,7 @@
             return should_succeed
 
         return tempest.test.call_until_true(ping_remote,
-                                            CONF.compute.ping_timeout,
+                                            CONF.validation.ping_timeout,
                                             1)
 
     def _create_security_group(self, client=None, tenant_id=None,
@@ -1137,71 +1185,6 @@
             subnet.add_to_router(router.id)
         return network, subnet, router
 
-    def create_server(self, name=None, image=None, flavor=None,
-                      wait_on_boot=True, wait_on_delete=True,
-                      network_client=None, networks_client=None,
-                      ports_client=None, create_kwargs=None):
-        if network_client is None:
-            network_client = self.network_client
-        if networks_client is None:
-            networks_client = self.networks_client
-        if ports_client is None:
-            ports_client = self.ports_client
-
-        vnic_type = CONF.network.port_vnic_type
-
-        # If vnic_type is configured create port for
-        # every network
-        if vnic_type:
-            ports = []
-            networks = []
-            create_port_body = {'binding:vnic_type': vnic_type,
-                                'namestart': 'port-smoke'}
-            if create_kwargs:
-                # Convert security group names to security group ids
-                # to pass to create_port
-                if create_kwargs.get('security_groups'):
-                    security_groups = network_client.list_security_groups(
-                        ).get('security_groups')
-                    sec_dict = dict([(s['name'], s['id'])
-                                    for s in security_groups])
-
-                    sec_groups_names = [s['name'] for s in create_kwargs.get(
-                        'security_groups')]
-                    security_groups_ids = [sec_dict[s]
-                                           for s in sec_groups_names]
-
-                    if security_groups_ids:
-                        create_port_body[
-                            'security_groups'] = security_groups_ids
-                networks = create_kwargs.get('networks')
-
-            # If there are no networks passed to us we look up
-            # for the tenant's private networks and create a port
-            # if there is only one private network. The same behaviour
-            # as we would expect when passing the call to the clients
-            # with no networks
-            if not networks:
-                networks = networks_client.list_networks(filters={
-                    'router:external': False})
-                self.assertEqual(1, len(networks),
-                                 "There is more than one"
-                                 " network for the tenant")
-            for net in networks:
-                net_id = net['uuid']
-                port = self._create_port(network_id=net_id,
-                                         client=ports_client,
-                                         **create_port_body)
-                ports.append({'port': port.id})
-            if ports:
-                create_kwargs['networks'] = ports
-            self.ports = ports
-
-        return super(NetworkScenarioTest, self).create_server(
-            name=name, image=image, flavor=flavor,
-            wait_on_boot=wait_on_boot, wait_on_delete=wait_on_delete,
-            create_kwargs=create_kwargs)
-
 
 # power/provision states as of icehouse
 class BaremetalPowerStates(object):
@@ -1324,11 +1307,8 @@
         dest.validate_authentication()
 
     def boot_instance(self):
-        create_kwargs = {
-            'key_name': self.keypair['name']
-        }
         self.instance = self.create_server(
-            wait_on_boot=False, create_kwargs=create_kwargs)
+            key_name=self.keypair['name'])
 
         self.wait_node(self.instance['id'])
         self.node = self.get_node(instance_id=self.instance['id'])
diff --git a/tempest/scenario/test_baremetal_basic_ops.py b/tempest/scenario/test_baremetal_basic_ops.py
index e629f0a..9415629 100644
--- a/tempest/scenario/test_baremetal_basic_ops.py
+++ b/tempest/scenario/test_baremetal_basic_ops.py
@@ -113,7 +113,7 @@
         self.boot_instance()
         self.validate_ports()
         self.verify_connectivity()
-        if CONF.compute.ssh_connect_method == 'floating':
+        if CONF.validation.connect_method == 'floating':
             floating_ip = self.create_floating_ip(self.instance)['ip']
             self.verify_connectivity(ip=floating_ip)
 
diff --git a/tempest/scenario/test_encrypted_cinder_volumes.py b/tempest/scenario/test_encrypted_cinder_volumes.py
index 082a8bf..dcd77ad 100644
--- a/tempest/scenario/test_encrypted_cinder_volumes.py
+++ b/tempest/scenario/test_encrypted_cinder_volumes.py
@@ -45,8 +45,9 @@
         image = self.glance_image_create()
         keypair = self.create_keypair()
 
-        return self.create_server(image=image,
-                                  create_kwargs={'key_name': keypair['name']})
+        return self.create_server(image_id=image,
+                                  key_name=keypair['name'],
+                                  wait_until='ACTIVE')
 
     def create_encrypted_volume(self, encryption_provider, volume_type):
         volume_type = self.create_volume_type(name=volume_type)
diff --git a/tempest/scenario/test_minimum_basic.py b/tempest/scenario/test_minimum_basic.py
index 92e3592..25e3e6f 100644
--- a/tempest/scenario/test_minimum_basic.py
+++ b/tempest/scenario/test_minimum_basic.py
@@ -117,9 +117,9 @@
         image = self.glance_image_create()
         keypair = self.create_keypair()
 
-        create_kwargs = {'key_name': keypair['name']}
-        server = self.create_server(image=image,
-                                    create_kwargs=create_kwargs)
+        server = self.create_server(image_id=image,
+                                    key_name=keypair['name'],
+                                    wait_until='ACTIVE')
         servers = self.nova_list()
         self.assertIn(server['id'], [x['id'] for x in servers])
 
diff --git a/tempest/scenario/test_network_advanced_server_ops.py b/tempest/scenario/test_network_advanced_server_ops.py
index 3689508..a45a730 100644
--- a/tempest/scenario/test_network_advanced_server_ops.py
+++ b/tempest/scenario/test_network_advanced_server_ops.py
@@ -57,16 +57,13 @@
         security_group = self._create_security_group()
         network, subnet, router = self.create_networks()
         public_network_id = CONF.network.public_network_id
-        create_kwargs = {
-            'networks': [
-                {'uuid': network.id},
-            ],
-            'key_name': keypair['name'],
-            'security_groups': [{'name': security_group['name']}],
-        }
         server_name = data_utils.rand_name('server-smoke')
-        server = self.create_server(name=server_name,
-                                    create_kwargs=create_kwargs)
+        server = self.create_server(
+            name=server_name,
+            networks=[{'uuid': network.id}],
+            key_name=keypair['name'],
+            security_groups=[{'name': security_group['name']}],
+            wait_until='ACTIVE')
         floating_ip = self.create_floating_ip(server, public_network_id)
         # Verify that we can indeed connect to the server before we mess with
         # it's state
diff --git a/tempest/scenario/test_network_basic_ops.py b/tempest/scenario/test_network_basic_ops.py
index 28f1cd3..41d13fe 100644
--- a/tempest/scenario/test_network_basic_ops.py
+++ b/tempest/scenario/test_network_basic_ops.py
@@ -155,16 +155,16 @@
         keypair = self.create_keypair()
         self.keypairs[keypair['name']] = keypair
         security_groups = [{'name': self.security_group['name']}]
-        create_kwargs = {
-            'networks': [
-                {'uuid': network.id},
-            ],
-            'key_name': keypair['name'],
-            'security_groups': security_groups,
-        }
+        network = {'uuid': network.id}
         if port_id is not None:
-            create_kwargs['networks'][0]['port'] = port_id
-        server = self.create_server(name=name, create_kwargs=create_kwargs)
+            network['port'] = port_id
+
+        server = self.create_server(
+            name=name,
+            networks=[network],
+            key_name=keypair['name'],
+            security_groups=security_groups,
+            wait_until='ACTIVE')
         self.servers.append(server)
         return server
 
diff --git a/tempest/scenario/test_network_v6.py b/tempest/scenario/test_network_v6.py
index a18dd2e..d6ad46a 100644
--- a/tempest/scenario/test_network_v6.py
+++ b/tempest/scenario/test_network_v6.py
@@ -65,9 +65,6 @@
         super(TestGettingAddress, self).setUp()
         self.keypair = self.create_keypair()
         self.sec_grp = self._create_security_group(tenant_id=self.tenant_id)
-        self.srv_kwargs = {
-            'key_name': self.keypair['name'],
-            'security_groups': [{'name': self.sec_grp['name']}]}
 
     def prepare_network(self, address6_mode, n_subnets6=1, dualnet=False):
         """Prepare network
@@ -119,11 +116,13 @@
     def prepare_server(self, networks=None):
         username = CONF.compute.image_ssh_user
 
-        create_kwargs = self.srv_kwargs
         networks = networks or [self.network]
-        create_kwargs['networks'] = [{'uuid': n.id} for n in networks]
 
-        srv = self.create_server(create_kwargs=create_kwargs)
+        srv = self.create_server(
+            key_name=self.keypair['name'],
+            security_groups=[{'name': self.sec_grp['name']}],
+            networks=[{'uuid': n.id} for n in networks],
+            wait_until='ACTIVE')
         fip = self.create_floating_ip(thing=srv)
         ips = self.define_server_ips(srv=srv)
         ssh = self.get_remote_client(
@@ -181,10 +180,10 @@
                 guest_has_address, sshv4_2, ips_from_api_2['6'][i])
 
             self.assertTrue(test.call_until_true(srv1_v6_addr_assigned,
-                                                 CONF.compute.ping_timeout, 1))
+                            CONF.validation.ping_timeout, 1))
 
             self.assertTrue(test.call_until_true(srv2_v6_addr_assigned,
-                                                 CONF.compute.ping_timeout, 1))
+                            CONF.validation.ping_timeout, 1))
 
         self._check_connectivity(sshv4_1, ips_from_api_2['4'])
         self._check_connectivity(sshv4_2, ips_from_api_1['4'])
diff --git a/tempest/scenario/test_security_groups_basic_ops.py b/tempest/scenario/test_security_groups_basic_ops.py
index 6a23c4b..e266dc2 100644
--- a/tempest/scenario/test_security_groups_basic_ops.py
+++ b/tempest/scenario/test_security_groups_basic_ops.py
@@ -234,23 +234,16 @@
 
     def _create_server(self, name, tenant, security_groups=None):
         """creates a server and assigns to security group"""
-        self._set_compute_context(tenant)
         if security_groups is None:
             security_groups = [tenant.security_groups['default']]
         security_groups_names = [{'name': s['name']} for s in security_groups]
-        create_kwargs = {
-            'networks': [
-                {'uuid': tenant.network.id},
-            ],
-            'key_name': tenant.keypair['name'],
-            'security_groups': security_groups_names
-        }
         server = self.create_server(
             name=name,
-            network_client=tenant.manager.network_client,
-            networks_client=tenant.manager.networks_client,
-            ports_client=tenant.manager.ports_client,
-            create_kwargs=create_kwargs)
+            networks=[{'uuid': tenant.network.id}],
+            key_name=tenant.keypair['name'],
+            security_groups=security_groups_names,
+            wait_until='ACTIVE',
+            clients=tenant.manager)
         self.assertEqual(
             sorted([s['name'] for s in security_groups]),
             sorted([s['name'] for s in server['security_groups']]))
@@ -293,10 +286,6 @@
             subnets_client=tenant.manager.subnets_client)
         tenant.set_network(network, subnet, router)
 
-    def _set_compute_context(self, tenant):
-        self.servers_client = tenant.manager.servers_client
-        return self.servers_client
-
     def _deploy_tenant(self, tenant_or_id):
         """creates:
 
@@ -310,7 +299,6 @@
             tenant = self.tenants[tenant_or_id]
         else:
             tenant = tenant_or_id
-        self._set_compute_context(tenant)
         self._create_tenant_keypairs(tenant)
         self._create_tenant_network(tenant)
         self._create_tenant_security_groups(tenant)
diff --git a/tempest/scenario/test_server_advanced_ops.py b/tempest/scenario/test_server_advanced_ops.py
index 9387dc7..4b932ce 100644
--- a/tempest/scenario/test_server_advanced_ops.py
+++ b/tempest/scenario/test_server_advanced_ops.py
@@ -53,7 +53,7 @@
     @test.services('compute')
     def test_resize_server_confirm(self):
         # We create an instance for use in this test
-        instance = self.create_server()
+        instance = self.create_server(wait_until='ACTIVE')
         instance_id = instance['id']
         resize_flavor = CONF.compute.flavor_ref_alt
         LOG.debug("Resizing instance %s from flavor %s to flavor %s",
@@ -74,7 +74,7 @@
     @test.services('compute')
     def test_server_sequence_suspend_resume(self):
         # We create an instance for use in this test
-        instance = self.create_server()
+        instance = self.create_server(wait_until='ACTIVE')
         instance_id = instance['id']
         LOG.debug("Suspending instance %s. Current status: %s",
                   instance_id, instance['status'])
diff --git a/tempest/scenario/test_server_basic_ops.py b/tempest/scenario/test_server_basic_ops.py
index 8a19254..239e120 100644
--- a/tempest/scenario/test_server_basic_ops.py
+++ b/tempest/scenario/test_server_basic_ops.py
@@ -72,20 +72,6 @@
     def add_keypair(self):
         self.keypair = self.create_keypair()
 
-    def boot_instance(self):
-        # Create server with image and flavor from input scenario
-        security_groups = [{'name': self.security_group['name']}]
-        self.md = {'meta1': 'data1', 'meta2': 'data2', 'metaN': 'dataN'}
-        create_kwargs = {
-            'key_name': self.keypair['name'],
-            'security_groups': security_groups,
-            'config_drive': CONF.compute_feature_enabled.config_drive,
-            'metadata': self.md
-        }
-        self.instance = self.create_server(image=self.image_ref,
-                                           flavor=self.flavor_ref,
-                                           create_kwargs=create_kwargs)
-
     def verify_ssh(self):
         if self.run_ssh:
             # Obtain a floating IP
@@ -139,7 +125,16 @@
     def test_server_basicops(self):
         self.add_keypair()
         self.security_group = self._create_security_group()
-        self.boot_instance()
+        security_groups = [{'name': self.security_group['name']}]
+        self.md = {'meta1': 'data1', 'meta2': 'data2', 'metaN': 'dataN'}
+        self.instance = self.create_server(
+            image_id=self.image_ref,
+            flavor=self.flavor_ref,
+            key_name=self.keypair['name'],
+            security_groups=security_groups,
+            config_drive=CONF.compute_feature_enabled.config_drive,
+            metadata=self.md,
+            wait_until='ACTIVE')
         self.verify_ssh()
         self.verify_metadata()
         self.verify_metadata_on_config_drive()
diff --git a/tempest/scenario/test_server_multinode.py b/tempest/scenario/test_server_multinode.py
index 403804d..7e0e41c 100644
--- a/tempest/scenario/test_server_multinode.py
+++ b/tempest/scenario/test_server_multinode.py
@@ -60,15 +60,11 @@
         servers = []
 
         for host in hosts[:CONF.compute.min_compute_nodes]:
-            create_kwargs = {
-                'availability_zone': '%(zone)s:%(host_name)s' % host
-            }
-
             # by getting to active state here, this means this has
             # landed on the host in question.
-            inst = self.create_server(image=CONF.compute.image_ref,
-                                      flavor=CONF.compute.flavor_ref,
-                                      create_kwargs=create_kwargs)
+            inst = self.create_server(
+                availability_zone='%(zone)s:%(host_name)s' % host,
+                wait_until='ACTIVE')
             server = self.servers_client.show_server(inst['id'])['server']
             servers.append(server)
 
diff --git a/tempest/scenario/test_shelve_instance.py b/tempest/scenario/test_shelve_instance.py
index 5778107..378ae9d 100644
--- a/tempest/scenario/test_shelve_instance.py
+++ b/tempest/scenario/test_shelve_instance.py
@@ -59,10 +59,6 @@
 
         security_group = self._create_security_group()
         security_groups = [{'name': security_group['name']}]
-        create_kwargs = {
-            'key_name': keypair['name'],
-            'security_groups': security_groups
-        }
 
         if boot_from_volume:
             volume = self.create_volume(size=CONF.volume.volume_size,
@@ -72,11 +68,17 @@
                 'volume_id': volume['id'],
                 'delete_on_termination': '0'}]
 
-            create_kwargs['block_device_mapping'] = bd_map
-            server = self.create_server(create_kwargs=create_kwargs)
+            server = self.create_server(
+                key_name=keypair['name'],
+                security_groups=security_groups,
+                block_device_mapping=bd_map,
+                wait_until='ACTIVE')
         else:
-            server = self.create_server(image=CONF.compute.image_ref,
-                                        create_kwargs=create_kwargs)
+            server = self.create_server(
+                image_id=CONF.compute.image_ref,
+                key_name=keypair['name'],
+                security_groups=security_groups,
+                wait_until='ACTIVE')
 
         instance_ip = self.get_server_or_ip(server)
         timestamp = self.create_timestamp(instance_ip,
diff --git a/tempest/scenario/test_snapshot_pattern.py b/tempest/scenario/test_snapshot_pattern.py
index cd59334..f3b6558 100644
--- a/tempest/scenario/test_snapshot_pattern.py
+++ b/tempest/scenario/test_snapshot_pattern.py
@@ -36,14 +36,6 @@
 
     """
 
-    def _boot_image(self, image_id, keypair, security_group):
-        security_groups = [{'name': security_group['name']}]
-        create_kwargs = {
-            'key_name': keypair['name'],
-            'security_groups': security_groups
-        }
-        return self.create_server(image=image_id, create_kwargs=create_kwargs)
-
     @test.idempotent_id('608e604b-1d63-4a82-8e3e-91bc665c90b4')
     @testtools.skipUnless(CONF.compute_feature_enabled.snapshot,
                           'Snapshotting is not available.')
@@ -54,8 +46,12 @@
         security_group = self._create_security_group()
 
         # boot an instance and create a timestamp file in it
-        server = self._boot_image(CONF.compute.image_ref, keypair,
-                                  security_group)
+        server = self.create_server(
+            image_id=CONF.compute.image_ref,
+            key_name=keypair['name'],
+            security_groups=[{'name': security_group['name']}],
+            wait_until='ACTIVE')
+
         instance_ip = self.get_server_or_ip(server)
         timestamp = self.create_timestamp(instance_ip,
                                           private_key=keypair['private_key'])
@@ -64,8 +60,11 @@
         snapshot_image = self.create_server_snapshot(server=server)
 
         # boot a second instance from the snapshot
-        server_from_snapshot = self._boot_image(snapshot_image['id'],
-                                                keypair, security_group)
+        server_from_snapshot = self.create_server(
+            image_id=snapshot_image['id'],
+            key_name=keypair['name'],
+            security_groups=[{'name': security_group['name']}],
+            wait_until='ACTIVE')
 
         # check the existence of the timestamp file in the second instance
         server_from_snapshot_ip = self.get_server_or_ip(server_from_snapshot)
diff --git a/tempest/scenario/test_stamp_pattern.py b/tempest/scenario/test_stamp_pattern.py
index 05ae33e..faae800 100644
--- a/tempest/scenario/test_stamp_pattern.py
+++ b/tempest/scenario/test_stamp_pattern.py
@@ -64,14 +64,6 @@
         self.snapshots_client.wait_for_snapshot_status(volume_snapshot['id'],
                                                        status)
 
-    def _boot_image(self, image_id, keypair, security_group):
-        security_groups = [{'name': security_group['name']}]
-        create_kwargs = {
-            'key_name': keypair['name'],
-            'security_groups': security_groups
-        }
-        return self.create_server(image=image_id, create_kwargs=create_kwargs)
-
     def _create_volume_snapshot(self, volume):
         snapshot_name = data_utils.rand_name('scenario-snapshot')
         snapshot = self.snapshots_client.create_snapshot(
@@ -135,8 +127,11 @@
 
         # boot an instance and create a timestamp file in it
         volume = self._create_volume()
-        server = self._boot_image(CONF.compute.image_ref, keypair,
-                                  security_group)
+        server = self.create_server(
+            image_id=CONF.compute.image_ref,
+            key_name=keypair['name'],
+            security_groups=security_group,
+            wait_until='ACTIVE')
 
         # create and add floating IP to server1
         ip_for_server = self.get_server_or_ip(server)
@@ -160,8 +155,10 @@
             snapshot_id=volume_snapshot['id'])
 
         # boot second instance from the snapshot(instance2)
-        server_from_snapshot = self._boot_image(snapshot_image['id'],
-                                                keypair, security_group)
+        server_from_snapshot = self.create_server(
+            image_id=snapshot_image['id'],
+            key_name=keypair['name'],
+            security_groups=security_group)
 
         # create and add floating IP to server_from_snapshot
         ip_for_snapshot = self.get_server_or_ip(server_from_snapshot)
diff --git a/tempest/scenario/test_volume_boot_pattern.py b/tempest/scenario/test_volume_boot_pattern.py
index 96e79e6..81ecda0 100644
--- a/tempest/scenario/test_volume_boot_pattern.py
+++ b/tempest/scenario/test_volume_boot_pattern.py
@@ -69,7 +69,10 @@
                 {'name': security_group['name']}]
         create_kwargs.update(self._get_bdm(
             vol_id, delete_on_termination=delete_on_termination))
-        return self.create_server(image='', create_kwargs=create_kwargs)
+        return self.create_server(
+            image='',
+            wait_until='ACTIVE',
+            **create_kwargs)
 
     def _create_snapshot_from_volume(self, vol_id):
         snap_name = data_utils.rand_name('snapshot')
@@ -158,7 +161,8 @@
         self._delete_server(instance)
 
         # boot instance from EBS image
-        instance = self.create_server(image=image['id'])
+        instance = self.create_server(
+            image_id=image['id'])
         # just ensure that instance booted
 
         # delete instance
diff --git a/tempest/services/compute/json/versions_client.py b/tempest/services/compute/json/versions_client.py
deleted file mode 100644
index 48c0e8d..0000000
--- a/tempest/services/compute/json/versions_client.py
+++ /dev/null
@@ -1,55 +0,0 @@
-# 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.
-
-from oslo_serialization import jsonutils as json
-from six.moves import urllib
-
-from tempest.api_schema.response.compute.v2_1 import versions as schema
-from tempest.common import service_client
-
-
-class VersionsClient(service_client.ServiceClient):
-
-    def _get_base_version_url(self):
-        # NOTE: The URL which is gotten from keystone's catalog contains
-        # API version and project-id like "v2/{project-id}", but we need
-        # to access the URL which doesn't contain them for getting API
-        # versions. For that, here should use raw_request() instead of
-        # get().
-        endpoint = self.base_url
-        url = urllib.parse.urlparse(endpoint)
-        return '%s://%s/' % (url.scheme, url.netloc)
-
-    def list_versions(self):
-        version_url = self._get_base_version_url()
-        resp, body = self.raw_request(version_url, 'GET')
-        body = json.loads(body)
-        self.validate_response(schema.list_versions, resp, body)
-        return service_client.ResponseBody(resp, body)
-
-    def get_version_by_url(self, version_url):
-        """Get the version document by url.
-
-        This gets the version document for a url, useful in testing
-        the contents of things like /v2/ or /v2.1/ in Nova. That
-        controller needs authenticated access, so we have to get
-        ourselves a token before making the request.
-
-        """
-        # we need a token for this request
-        resp, body = self.raw_request(version_url, 'GET',
-                                      {'X-Auth-Token': self.token})
-        body = json.loads(body)
-        self.validate_response(schema.get_one_version, resp, body)
-        return service_client.ResponseBody(resp, body)
diff --git a/tempest/services/image/v2/json/image_client.py b/tempest/services/image/v2/json/image_client.py
index a7e0f04..f7d70ea 100644
--- a/tempest/services/image/v2/json/image_client.py
+++ b/tempest/services/image/v2/json/image_client.py
@@ -187,6 +187,11 @@
         return service_client.ResponseBody(resp, body)
 
     def update_image_member(self, image_id, member_id, **kwargs):
+        """Update an image member.
+
+        Available params: see http://developer.openstack.org/
+                              api-ref-image-v2.html#updateImageMember-v2
+        """
         url = 'v2/images/%s/members/%s' % (image_id, member_id)
         data = json.dumps(kwargs)
         resp, body = self.put(url, data)
diff --git a/tempest/services/network/json/metering_labels_client.py b/tempest/services/network/json/metering_labels_client.py
new file mode 100644
index 0000000..2e5cdae
--- /dev/null
+++ b/tempest/services/network/json/metering_labels_client.py
@@ -0,0 +1,33 @@
+#    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.
+
+from tempest.services.network.json import base
+
+
+class MeteringLabelsClient(base.BaseNetworkClient):
+
+    def create_metering_label(self, **kwargs):
+        uri = '/metering/metering-labels'
+        post_data = {'metering_label': kwargs}
+        return self.create_resource(uri, post_data)
+
+    def show_metering_label(self, metering_label_id, **fields):
+        uri = '/metering/metering-labels/%s' % metering_label_id
+        return self.show_resource(uri, **fields)
+
+    def delete_metering_label(self, metering_label_id):
+        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)
diff --git a/tempest/services/network/json/network_client.py b/tempest/services/network/json/network_client.py
index 5a4229c..b525143 100644
--- a/tempest/services/network/json/network_client.py
+++ b/tempest/services/network/json/network_client.py
@@ -35,23 +35,6 @@
     quotas
     """
 
-    def create_metering_label(self, **kwargs):
-        uri = '/metering/metering-labels'
-        post_data = {'metering_label': kwargs}
-        return self.create_resource(uri, post_data)
-
-    def show_metering_label(self, metering_label_id, **fields):
-        uri = '/metering/metering-labels/%s' % metering_label_id
-        return self.show_resource(uri, **fields)
-
-    def delete_metering_label(self, metering_label_id):
-        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}
diff --git a/tempest/services/volume/json/__init__.py b/tempest/services/volume/base/__init__.py
similarity index 100%
copy from tempest/services/volume/json/__init__.py
copy to tempest/services/volume/base/__init__.py
diff --git a/tempest/services/volume/json/admin/__init__.py b/tempest/services/volume/base/admin/__init__.py
similarity index 100%
copy from tempest/services/volume/json/admin/__init__.py
copy to tempest/services/volume/base/admin/__init__.py
diff --git a/tempest/services/volume/json/admin/volume_hosts_client.py b/tempest/services/volume/base/admin/base_volume_hosts_client.py
similarity index 88%
rename from tempest/services/volume/json/admin/volume_hosts_client.py
rename to tempest/services/volume/base/admin/base_volume_hosts_client.py
index 939db59..97bb007 100644
--- a/tempest/services/volume/json/admin/volume_hosts_client.py
+++ b/tempest/services/volume/base/admin/base_volume_hosts_client.py
@@ -22,7 +22,7 @@
 class BaseVolumeHostsClient(service_client.ServiceClient):
     """Client class to send CRUD Volume Hosts API requests"""
 
-    def list_hosts(self, params=None):
+    def list_hosts(self, **params):
         """Lists all hosts."""
 
         url = 'os-hosts'
@@ -33,7 +33,3 @@
         body = json.loads(body)
         self.expected_success(200, resp.status)
         return service_client.ResponseBody(resp, body)
-
-
-class VolumeHostsClient(BaseVolumeHostsClient):
-    """Client class to send CRUD Volume Host API V1 requests"""
diff --git a/tempest/services/volume/json/admin/volume_quotas_client.py b/tempest/services/volume/base/admin/base_volume_quotas_client.py
similarity index 77%
rename from tempest/services/volume/json/admin/volume_quotas_client.py
rename to tempest/services/volume/base/admin/base_volume_quotas_client.py
index f6d4a14..ad8ba03 100644
--- a/tempest/services/volume/json/admin/volume_quotas_client.py
+++ b/tempest/services/volume/base/admin/base_volume_quotas_client.py
@@ -50,21 +50,14 @@
         body = self.show_quota_set(tenant_id, params={'usage': True})
         return body
 
-    def update_quota_set(self, tenant_id, gigabytes=None, volumes=None,
-                         snapshots=None):
-        post_body = {}
+    def update_quota_set(self, tenant_id, **kwargs):
+        """Updates quota set
 
-        if gigabytes is not None:
-            post_body['gigabytes'] = gigabytes
-
-        if volumes is not None:
-            post_body['volumes'] = volumes
-
-        if snapshots is not None:
-            post_body['snapshots'] = snapshots
-
-        post_body = jsonutils.dumps({'quota_set': post_body})
-        resp, body = self.put('os-quota-sets/%s' % tenant_id, post_body)
+        Available params: see http://developer.openstack.org/
+                              api-ref-blockstorage-v2.html#updateQuotas-v2
+        """
+        put_body = jsonutils.dumps({'quota_set': kwargs})
+        resp, body = self.put('os-quota-sets/%s' % tenant_id, put_body)
         self.expected_success(200, resp.status)
         body = jsonutils.loads(body)
         return service_client.ResponseBody(resp, body)
@@ -74,7 +67,3 @@
         resp, body = self.delete('os-quota-sets/%s' % tenant_id)
         self.expected_success(200, resp.status)
         return service_client.ResponseBody(resp, body)
-
-
-class VolumeQuotasClient(BaseVolumeQuotasClient):
-    """Client class to send CRUD Volume Type API V1 requests"""
diff --git a/tempest/services/volume/json/admin/volume_services_client.py b/tempest/services/volume/base/admin/base_volume_services_client.py
similarity index 91%
rename from tempest/services/volume/json/admin/volume_services_client.py
rename to tempest/services/volume/base/admin/base_volume_services_client.py
index 798a642..1790421 100644
--- a/tempest/services/volume/json/admin/volume_services_client.py
+++ b/tempest/services/volume/base/admin/base_volume_services_client.py
@@ -30,7 +30,3 @@
         body = json.loads(body)
         self.expected_success(200, resp.status)
         return service_client.ResponseBody(resp, body)
-
-
-class VolumesServicesClient(BaseVolumesServicesClient):
-    """Volume V1 volume services client"""
diff --git a/tempest/services/volume/json/admin/volume_types_client.py b/tempest/services/volume/base/admin/base_volume_types_client.py
similarity index 98%
rename from tempest/services/volume/json/admin/volume_types_client.py
rename to tempest/services/volume/base/admin/base_volume_types_client.py
index f2da8a5..8fcf57c 100644
--- a/tempest/services/volume/json/admin/volume_types_client.py
+++ b/tempest/services/volume/base/admin/base_volume_types_client.py
@@ -182,7 +182,3 @@
             "/types/%s/encryption/provider" % str(vol_type_id))
         self.expected_success(202, resp.status)
         return service_client.ResponseBody(resp, body)
-
-
-class VolumeTypesClient(BaseVolumeTypesClient):
-    """Volume V1 Volume Types client"""
diff --git a/tempest/services/volume/json/availability_zone_client.py b/tempest/services/volume/base/base_availability_zone_client.py
similarity index 89%
rename from tempest/services/volume/json/availability_zone_client.py
rename to tempest/services/volume/base/base_availability_zone_client.py
index 36f95d6..d5a2fda 100644
--- a/tempest/services/volume/json/availability_zone_client.py
+++ b/tempest/services/volume/base/base_availability_zone_client.py
@@ -25,7 +25,3 @@
         body = json.loads(body)
         self.expected_success(200, resp.status)
         return service_client.ResponseBody(resp, body)
-
-
-class VolumeAvailabilityZoneClient(BaseVolumeAvailabilityZoneClient):
-    """Volume V1 availability zone client."""
diff --git a/tempest/services/volume/json/backups_client.py b/tempest/services/volume/base/base_backups_client.py
similarity index 98%
rename from tempest/services/volume/json/backups_client.py
rename to tempest/services/volume/base/base_backups_client.py
index 3045992..be926e6 100644
--- a/tempest/services/volume/json/backups_client.py
+++ b/tempest/services/volume/base/base_backups_client.py
@@ -16,7 +16,6 @@
 import time
 
 from oslo_serialization import jsonutils as json
-
 from tempest_lib import exceptions as lib_exc
 
 from tempest.common import service_client
@@ -124,7 +123,3 @@
             if int(time.time()) - start_time >= self.build_timeout:
                 raise exceptions.TimeoutException
             time.sleep(self.build_interval)
-
-
-class BackupsClient(BaseBackupsClient):
-    """Volume V1 Backups client"""
diff --git a/tempest/services/volume/json/extensions_client.py b/tempest/services/volume/base/base_extensions_client.py
similarity index 91%
rename from tempest/services/volume/json/extensions_client.py
rename to tempest/services/volume/base/base_extensions_client.py
index d7d3197..afc3f6b 100644
--- a/tempest/services/volume/json/extensions_client.py
+++ b/tempest/services/volume/base/base_extensions_client.py
@@ -26,7 +26,3 @@
         body = json.loads(body)
         self.expected_success(200, resp.status)
         return service_client.ResponseBody(resp, body)
-
-
-class ExtensionsClient(BaseExtensionsClient):
-    """Volume V1 extensions client."""
diff --git a/tempest/services/volume/json/qos_client.py b/tempest/services/volume/base/base_qos_client.py
similarity index 98%
rename from tempest/services/volume/json/qos_client.py
rename to tempest/services/volume/base/base_qos_client.py
index c79168c..c7f6c6e 100644
--- a/tempest/services/volume/json/qos_client.py
+++ b/tempest/services/volume/base/base_qos_client.py
@@ -155,7 +155,3 @@
         resp, body = self.get(url)
         self.expected_success(202, resp.status)
         return service_client.ResponseBody(resp, body)
-
-
-class QosSpecsClient(BaseQosSpecsClient):
-    """Volume V1 QoS client."""
diff --git a/tempest/services/volume/json/snapshots_client.py b/tempest/services/volume/base/base_snapshots_client.py
similarity index 98%
rename from tempest/services/volume/json/snapshots_client.py
rename to tempest/services/volume/base/base_snapshots_client.py
index 77c9dd1..fac90e4 100644
--- a/tempest/services/volume/json/snapshots_client.py
+++ b/tempest/services/volume/base/base_snapshots_client.py
@@ -196,7 +196,3 @@
         resp, body = self.post('snapshots/%s/action' % snapshot_id, post_body)
         self.expected_success(202, resp.status)
         return service_client.ResponseBody(resp, body)
-
-
-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/base/base_volumes_client.py
similarity index 98%
rename from tempest/services/volume/json/volumes_client.py
rename to tempest/services/volume/base/base_volumes_client.py
index c2a76f0..c7302e8 100644
--- a/tempest/services/volume/json/volumes_client.py
+++ b/tempest/services/volume/base/base_volumes_client.py
@@ -334,7 +334,3 @@
         post_body = json.dumps({'os-retype': post_body})
         resp, body = self.post('volumes/%s/action' % volume_id, post_body)
         self.expected_success(202, resp.status)
-
-
-class VolumesClient(BaseVolumesClient):
-    """Client class to send CRUD Volume V1 API requests"""
diff --git a/tempest/services/volume/json/__init__.py b/tempest/services/volume/v1/__init__.py
similarity index 100%
copy from tempest/services/volume/json/__init__.py
copy to tempest/services/volume/v1/__init__.py
diff --git a/tempest/services/volume/json/__init__.py b/tempest/services/volume/v1/json/__init__.py
similarity index 100%
rename from tempest/services/volume/json/__init__.py
rename to tempest/services/volume/v1/json/__init__.py
diff --git a/tempest/services/volume/json/admin/__init__.py b/tempest/services/volume/v1/json/admin/__init__.py
similarity index 100%
rename from tempest/services/volume/json/admin/__init__.py
rename to tempest/services/volume/v1/json/admin/__init__.py
diff --git a/tempest/services/volume/v1/json/admin/volume_hosts_client.py b/tempest/services/volume/v1/json/admin/volume_hosts_client.py
new file mode 100644
index 0000000..e564469
--- /dev/null
+++ b/tempest/services/volume/v1/json/admin/volume_hosts_client.py
@@ -0,0 +1,20 @@
+# Copyright 2013 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.
+
+from tempest.services.volume.base.admin import base_volume_hosts_client
+
+
+class VolumeHostsClient(base_volume_hosts_client.BaseVolumeHostsClient):
+    """Client class to send CRUD Volume Host API V1 requests"""
diff --git a/tempest/services/volume/v1/json/admin/volume_quotas_client.py b/tempest/services/volume/v1/json/admin/volume_quotas_client.py
new file mode 100644
index 0000000..b0dde19
--- /dev/null
+++ b/tempest/services/volume/v1/json/admin/volume_quotas_client.py
@@ -0,0 +1,19 @@
+# Copyright (C) 2014 eNovance SAS <licensing@enovance.com>
+#
+#    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.
+
+from tempest.services.volume.base.admin import base_volume_quotas_client
+
+
+class VolumeQuotasClient(base_volume_quotas_client.BaseVolumeQuotasClient):
+    """Client class to send CRUD Volume Type API V1 requests"""
diff --git a/tempest/services/volume/v1/json/admin/volume_services_client.py b/tempest/services/volume/v1/json/admin/volume_services_client.py
new file mode 100644
index 0000000..00810ed
--- /dev/null
+++ b/tempest/services/volume/v1/json/admin/volume_services_client.py
@@ -0,0 +1,21 @@
+# Copyright 2014 NEC Corporation
+# 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.
+
+from tempest.services.volume.base.admin import base_volume_services_client
+
+
+class VolumesServicesClient(
+        base_volume_services_client.BaseVolumesServicesClient):
+    """Volume V1 volume services client"""
diff --git a/tempest/services/volume/v1/json/admin/volume_types_client.py b/tempest/services/volume/v1/json/admin/volume_types_client.py
new file mode 100644
index 0000000..28524d1
--- /dev/null
+++ b/tempest/services/volume/v1/json/admin/volume_types_client.py
@@ -0,0 +1,20 @@
+# 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.
+
+from tempest.services.volume.base.admin import base_volume_types_client
+
+
+class VolumeTypesClient(base_volume_types_client.BaseVolumeTypesClient):
+    """Volume V1 Volume Types client"""
diff --git a/tempest/services/volume/v1/json/availability_zone_client.py b/tempest/services/volume/v1/json/availability_zone_client.py
new file mode 100644
index 0000000..d8180fa
--- /dev/null
+++ b/tempest/services/volume/v1/json/availability_zone_client.py
@@ -0,0 +1,21 @@
+# Copyright 2014 NEC Corporation.
+# 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.
+
+from tempest.services.volume.base import base_availability_zone_client
+
+
+class VolumeAvailabilityZoneClient(
+        base_availability_zone_client.BaseVolumeAvailabilityZoneClient):
+    """Volume V1 availability zone client."""
diff --git a/tempest/services/volume/v1/json/backups_client.py b/tempest/services/volume/v1/json/backups_client.py
new file mode 100644
index 0000000..ac6db6a
--- /dev/null
+++ b/tempest/services/volume/v1/json/backups_client.py
@@ -0,0 +1,20 @@
+# Copyright 2014 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.
+
+from tempest.services.volume.base import base_backups_client
+
+
+class BackupsClient(base_backups_client.BaseBackupsClient):
+    """Volume V1 Backups client"""
diff --git a/tempest/services/volume/json/extensions_client.py b/tempest/services/volume/v1/json/extensions_client.py
similarity index 61%
copy from tempest/services/volume/json/extensions_client.py
copy to tempest/services/volume/v1/json/extensions_client.py
index d7d3197..f99d0f5 100644
--- a/tempest/services/volume/json/extensions_client.py
+++ b/tempest/services/volume/v1/json/extensions_client.py
@@ -13,20 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from oslo_serialization import jsonutils as json
-
-from tempest.common import service_client
+from tempest.services.volume.base import base_extensions_client
 
 
-class BaseExtensionsClient(service_client.ServiceClient):
-
-    def list_extensions(self):
-        url = 'extensions'
-        resp, body = self.get(url)
-        body = json.loads(body)
-        self.expected_success(200, resp.status)
-        return service_client.ResponseBody(resp, body)
-
-
-class ExtensionsClient(BaseExtensionsClient):
+class ExtensionsClient(base_extensions_client.BaseExtensionsClient):
     """Volume V1 extensions client."""
diff --git a/tempest/services/volume/v1/json/qos_client.py b/tempest/services/volume/v1/json/qos_client.py
new file mode 100644
index 0000000..b2b2195
--- /dev/null
+++ b/tempest/services/volume/v1/json/qos_client.py
@@ -0,0 +1,19 @@
+# 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.
+
+from tempest.services.volume.base import base_qos_client
+
+
+class QosSpecsClient(base_qos_client.BaseQosSpecsClient):
+    """Volume V1 QoS client."""
diff --git a/tempest/services/volume/v1/json/snapshots_client.py b/tempest/services/volume/v1/json/snapshots_client.py
new file mode 100644
index 0000000..b039c2b
--- /dev/null
+++ b/tempest/services/volume/v1/json/snapshots_client.py
@@ -0,0 +1,17 @@
+#    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.
+
+from tempest.services.volume.base import base_snapshots_client
+
+
+class SnapshotsClient(base_snapshots_client.BaseSnapshotsClient):
+    """Client class to send CRUD Volume V1 API requests."""
diff --git a/tempest/services/volume/v1/json/volumes_client.py b/tempest/services/volume/v1/json/volumes_client.py
new file mode 100644
index 0000000..7782043
--- /dev/null
+++ b/tempest/services/volume/v1/json/volumes_client.py
@@ -0,0 +1,20 @@
+# 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.
+
+from tempest.services.volume.base import base_volumes_client
+
+
+class VolumesClient(base_volumes_client.BaseVolumesClient):
+    """Client class to send CRUD Volume V1 API requests"""
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 649c9ec..a1d8b61 100644
--- a/tempest/services/volume/v2/json/admin/volume_hosts_client.py
+++ b/tempest/services/volume/v2/json/admin/volume_hosts_client.py
@@ -13,10 +13,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-
-from tempest.services.volume.json.admin import volume_hosts_client
+from tempest.services.volume.base.admin import base_volume_hosts_client
 
 
-class VolumeHostsV2Client(volume_hosts_client.BaseVolumeHostsClient):
+class VolumeHostsV2Client(base_volume_hosts_client.BaseVolumeHostsClient):
     """Client class to send CRUD Volume V2 API requests"""
     api_version = "v2"
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 80fffc7..a89ba2f 100644
--- a/tempest/services/volume/v2/json/admin/volume_quotas_client.py
+++ b/tempest/services/volume/v2/json/admin/volume_quotas_client.py
@@ -13,9 +13,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest.services.volume.json.admin import volume_quotas_client
+from tempest.services.volume.base.admin import base_volume_quotas_client
 
 
-class VolumeQuotasV2Client(volume_quotas_client.BaseVolumeQuotasClient):
+class VolumeQuotasV2Client(base_volume_quotas_client.BaseVolumeQuotasClient):
     """Client class to send CRUD Volume V2 API requests"""
     api_version = "v2"
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 88eb82f..da7a4ea 100644
--- a/tempest/services/volume/v2/json/admin/volume_services_client.py
+++ b/tempest/services/volume/v2/json/admin/volume_services_client.py
@@ -13,9 +13,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest.services.volume.json.admin import volume_services_client as vs_cli
+from tempest.services.volume.base.admin import base_volume_services_client
 
 
-class VolumesServicesV2Client(vs_cli.BaseVolumesServicesClient):
+class VolumesServicesV2Client(
+        base_volume_services_client.BaseVolumesServicesClient):
     """Client class to send CRUD Volume V2 API requests"""
     api_version = "v2"
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 78fe8e5..d63acf5 100644
--- a/tempest/services/volume/v2/json/admin/volume_types_client.py
+++ b/tempest/services/volume/v2/json/admin/volume_types_client.py
@@ -13,10 +13,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-
-from tempest.services.volume.json.admin import volume_types_client
+from tempest.services.volume.base.admin import base_volume_types_client
 
 
-class VolumeTypesV2Client(volume_types_client.BaseVolumeTypesClient):
+class VolumeTypesV2Client(base_volume_types_client.BaseVolumeTypesClient):
     """Client class to send CRUD Volume V2 API requests"""
     api_version = "v2"
diff --git a/tempest/services/volume/v2/json/availability_zone_client.py b/tempest/services/volume/v2/json/availability_zone_client.py
index 2e1ab20..a4fc9fe 100644
--- a/tempest/services/volume/v2/json/availability_zone_client.py
+++ b/tempest/services/volume/v2/json/availability_zone_client.py
@@ -13,9 +13,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest.services.volume.json import availability_zone_client
+from tempest.services.volume.base import base_availability_zone_client
 
 
 class VolumeV2AvailabilityZoneClient(
-        availability_zone_client.BaseVolumeAvailabilityZoneClient):
+        base_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 8e87505..15d363b 100644
--- a/tempest/services/volume/v2/json/backups_client.py
+++ b/tempest/services/volume/v2/json/backups_client.py
@@ -13,9 +13,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest.services.volume.json import backups_client
+from tempest.services.volume.base import base_backups_client
 
 
-class BackupsClientV2(backups_client.BaseBackupsClient):
+class BackupsClientV2(base_backups_client.BaseBackupsClient):
     """Client class to send CRUD Volume V2 API requests"""
     api_version = "v2"
diff --git a/tempest/services/volume/v2/json/extensions_client.py b/tempest/services/volume/v2/json/extensions_client.py
index 3e32c0c..004b232 100644
--- a/tempest/services/volume/v2/json/extensions_client.py
+++ b/tempest/services/volume/v2/json/extensions_client.py
@@ -13,8 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest.services.volume.json import extensions_client
+from tempest.services.volume.base import base_extensions_client
 
 
-class ExtensionsV2Client(extensions_client.BaseExtensionsClient):
+class ExtensionsV2Client(base_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 42bd1c9..e8b680a 100644
--- a/tempest/services/volume/v2/json/qos_client.py
+++ b/tempest/services/volume/v2/json/qos_client.py
@@ -12,8 +12,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest.services.volume.json import qos_client
+from tempest.services.volume.base import base_qos_client
 
 
-class QosSpecsV2Client(qos_client.BaseQosSpecsClient):
+class QosSpecsV2Client(base_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 a94f9cd..28a9e98 100644
--- a/tempest/services/volume/v2/json/snapshots_client.py
+++ b/tempest/services/volume/v2/json/snapshots_client.py
@@ -10,10 +10,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest.services.volume.json import snapshots_client
+from tempest.services.volume.base import base_snapshots_client
 
 
-class SnapshotsV2Client(snapshots_client.BaseSnapshotsClient):
+class SnapshotsV2Client(base_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 a56a7be..51daa94 100644
--- a/tempest/services/volume/v2/json/volumes_client.py
+++ b/tempest/services/volume/v2/json/volumes_client.py
@@ -13,10 +13,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest.services.volume.json import volumes_client
+from tempest.services.volume.base import base_volumes_client
 
 
-class VolumesV2Client(volumes_client.BaseVolumesClient):
+class VolumesV2Client(base_volumes_client.BaseVolumesClient):
     """Client class to send CRUD Volume V2 API requests"""
     api_version = "v2"
     create_resp = 202
diff --git a/tempest/test.py b/tempest/test.py
index a9c8ba7..435d10a 100644
--- a/tempest/test.py
+++ b/tempest/test.py
@@ -495,7 +495,7 @@
         :param credential_type: string - primary, alt or admin
         :param roles: list of roles
 
-        :returns the created client manager
+        :returns: the created client manager
         :raises skipException: if the requested credentials are not available
         """
         if all([roles, credential_type]):
diff --git a/tempest/tests/common/test_service_clients.py b/tempest/tests/common/test_service_clients.py
index b0706f2..272eba4 100644
--- a/tempest/tests/common/test_service_clients.py
+++ b/tempest/tests/common/test_service_clients.py
@@ -46,18 +46,18 @@
 from tempest.services.orchestration.json import orchestration_client
 from tempest.services.telemetry.json import alarming_client
 from tempest.services.telemetry.json import telemetry_client
-from tempest.services.volume.json.admin import volume_hosts_client
-from tempest.services.volume.json.admin import volume_quotas_client
-from tempest.services.volume.json.admin import volume_services_client
-from tempest.services.volume.json.admin import volume_types_client
-from tempest.services.volume.json import availability_zone_client \
+from tempest.services.volume.v1.json.admin import volume_hosts_client
+from tempest.services.volume.v1.json.admin import volume_quotas_client
+from tempest.services.volume.v1.json.admin import volume_services_client
+from tempest.services.volume.v1.json.admin import volume_types_client
+from tempest.services.volume.v1.json import availability_zone_client \
     as volume_az_client
-from tempest.services.volume.json import backups_client
-from tempest.services.volume.json import extensions_client \
+from tempest.services.volume.v1.json import backups_client
+from tempest.services.volume.v1.json import extensions_client \
     as volume_extensions_client
-from tempest.services.volume.json import qos_client
-from tempest.services.volume.json import snapshots_client
-from tempest.services.volume.json import volumes_client
+from tempest.services.volume.v1.json import qos_client
+from tempest.services.volume.v1.json import snapshots_client
+from tempest.services.volume.v1.json import volumes_client
 from tempest.services.volume.v2.json.admin import volume_hosts_client \
     as volume_v2_hosts_client
 from tempest.services.volume.v2.json.admin import volume_quotas_client \
diff --git a/tempest/tests/common/test_waiters.py b/tempest/tests/common/test_waiters.py
index 68a8295..c7cc638 100644
--- a/tempest/tests/common/test_waiters.py
+++ b/tempest/tests/common/test_waiters.py
@@ -18,7 +18,7 @@
 
 from tempest.common import waiters
 from tempest import exceptions
-from tempest.services.volume.json import volumes_client
+from tempest.services.volume.base import base_volumes_client
 from tempest.tests import base
 
 
@@ -53,7 +53,7 @@
     def test_wait_for_volume_status_error_restoring(self, mock_sleep):
         # Tests that the wait method raises VolumeRestoreErrorException if
         # the volume status is 'error_restoring'.
-        client = mock.Mock(spec=volumes_client.BaseVolumesClient,
+        client = mock.Mock(spec=base_volumes_client.BaseVolumesClient,
                            build_interval=1)
         volume1 = {'volume': {'status': 'restoring-backup'}}
         volume2 = {'volume': {'status': 'error_restoring'}}
diff --git a/tools/colorizer.py b/tools/colorizer.py
deleted file mode 100755
index 3f68a51..0000000
--- a/tools/colorizer.py
+++ /dev/null
@@ -1,328 +0,0 @@
-#!/usr/bin/env python
-
-# Copyright (c) 2013, Nebula, Inc.
-# Copyright 2010 United States Government as represented by the
-# Administrator of the National Aeronautics and Space Administration.
-# 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.
-#
-# Colorizer Code is borrowed from Twisted:
-# Copyright (c) 2001-2010 Twisted Matrix Laboratories.
-#
-#    Permission is hereby granted, free of charge, to any person obtaining
-#    a copy of this software and associated documentation files (the
-#    "Software"), to deal in the Software without restriction, including
-#    without limitation the rights to use, copy, modify, merge, publish,
-#    distribute, sublicense, and/or sell copies of the Software, and to
-#    permit persons to whom the Software is furnished to do so, subject to
-#    the following conditions:
-#
-#    The above copyright notice and this permission notice shall be
-#    included in all copies or substantial portions of the Software.
-#
-#    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-#    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-#    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-#    NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-#    LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-#    OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-#    WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-"""Display a subunit stream through a colorized unittest test runner."""
-
-import heapq
-import sys
-import unittest
-
-import subunit
-import testtools
-
-
-class _AnsiColorizer(object):
-    """A colorizer is an object that loosely wraps around a stream
-
-    allowing callers to write text to the stream in a particular color.
-
-    Colorizer classes must implement C{supported()} and C{write(text, color)}.
-    """
-    _colors = dict(black=30, red=31, green=32, yellow=33,
-                   blue=34, magenta=35, cyan=36, white=37)
-
-    def __init__(self, stream):
-        self.stream = stream
-
-    def supported(cls, stream=sys.stdout):
-        """Check the current platform supports coloring terminal output
-
-        A class method that returns True if the current platform supports
-        coloring terminal output using this method. Returns False otherwise.
-        """
-        if not stream.isatty():
-            return False  # auto color only on TTYs
-        try:
-            import curses
-        except ImportError:
-            return False
-        else:
-            try:
-                try:
-                    return curses.tigetnum("colors") > 2
-                except curses.error:
-                    curses.setupterm()
-                    return curses.tigetnum("colors") > 2
-            except Exception:
-                # guess false in case of error
-                return False
-    supported = classmethod(supported)
-
-    def write(self, text, color):
-        """Write the given text to the stream in the given color.
-
-        @param text: Text to be written to the stream.
-
-        @param color: A string label for a color. e.g. 'red', 'white'.
-        """
-        color = self._colors[color]
-        self.stream.write('\x1b[%s;1m%s\x1b[0m' % (color, text))
-
-
-class _Win32Colorizer(object):
-    """See _AnsiColorizer docstring."""
-    def __init__(self, stream):
-        import win32console
-        red, green, blue, bold = (win32console.FOREGROUND_RED,
-                                  win32console.FOREGROUND_GREEN,
-                                  win32console.FOREGROUND_BLUE,
-                                  win32console.FOREGROUND_INTENSITY)
-        self.stream = stream
-        self.screenBuffer = win32console.GetStdHandle(
-            win32console.STD_OUT_HANDLE)
-        self._colors = {'normal': red | green | blue,
-                        'red': red | bold,
-                        'green': green | bold,
-                        'blue': blue | bold,
-                        'yellow': red | green | bold,
-                        'magenta': red | blue | bold,
-                        'cyan': green | blue | bold,
-                        'white': red | green | blue | bold}
-
-    def supported(cls, stream=sys.stdout):
-        try:
-            import win32console
-            screenBuffer = win32console.GetStdHandle(
-                win32console.STD_OUT_HANDLE)
-        except ImportError:
-            return False
-        import pywintypes
-        try:
-            screenBuffer.SetConsoleTextAttribute(
-                win32console.FOREGROUND_RED |
-                win32console.FOREGROUND_GREEN |
-                win32console.FOREGROUND_BLUE)
-        except pywintypes.error:
-            return False
-        else:
-            return True
-    supported = classmethod(supported)
-
-    def write(self, text, color):
-        color = self._colors[color]
-        self.screenBuffer.SetConsoleTextAttribute(color)
-        self.stream.write(text)
-        self.screenBuffer.SetConsoleTextAttribute(self._colors['normal'])
-
-
-class _NullColorizer(object):
-    """See _AnsiColorizer docstring."""
-    def __init__(self, stream):
-        self.stream = stream
-
-    def supported(cls, stream=sys.stdout):
-        return True
-    supported = classmethod(supported)
-
-    def write(self, text, color):
-        self.stream.write(text)
-
-
-def get_elapsed_time_color(elapsed_time):
-    if elapsed_time > 1.0:
-        return 'red'
-    elif elapsed_time > 0.25:
-        return 'yellow'
-    else:
-        return 'green'
-
-
-class NovaTestResult(testtools.TestResult):
-    def __init__(self, stream, descriptions, verbosity):
-        super(NovaTestResult, self).__init__()
-        self.stream = stream
-        self.showAll = verbosity > 1
-        self.num_slow_tests = 10
-        self.slow_tests = []  # this is a fixed-sized heap
-        self.colorizer = None
-        # NOTE(vish): reset stdout for the terminal check
-        stdout = sys.stdout
-        sys.stdout = sys.__stdout__
-        for colorizer in [_Win32Colorizer, _AnsiColorizer, _NullColorizer]:
-            if colorizer.supported():
-                self.colorizer = colorizer(self.stream)
-                break
-        sys.stdout = stdout
-        self.start_time = None
-        self.last_time = {}
-        self.results = {}
-        self.last_written = None
-
-    def _writeElapsedTime(self, elapsed):
-        color = get_elapsed_time_color(elapsed)
-        self.colorizer.write("  %.2f" % elapsed, color)
-
-    def _addResult(self, test, *args):
-        try:
-            name = test.id()
-        except AttributeError:
-            name = 'Unknown.unknown'
-        test_class, test_name = name.rsplit('.', 1)
-
-        elapsed = (self._now() - self.start_time).total_seconds()
-        item = (elapsed, test_class, test_name)
-        if len(self.slow_tests) >= self.num_slow_tests:
-            heapq.heappushpop(self.slow_tests, item)
-        else:
-            heapq.heappush(self.slow_tests, item)
-
-        self.results.setdefault(test_class, [])
-        self.results[test_class].append((test_name, elapsed) + args)
-        self.last_time[test_class] = self._now()
-        self.writeTests()
-
-    def _writeResult(self, test_name, elapsed, long_result, color,
-                     short_result, success):
-        if self.showAll:
-            self.stream.write('    %s' % str(test_name).ljust(66))
-            self.colorizer.write(long_result, color)
-            if success:
-                self._writeElapsedTime(elapsed)
-            self.stream.writeln()
-        else:
-            self.colorizer.write(short_result, color)
-
-    def addSuccess(self, test):
-        super(NovaTestResult, self).addSuccess(test)
-        self._addResult(test, 'OK', 'green', '.', True)
-
-    def addFailure(self, test, err):
-        if test.id() == 'process-returncode':
-            return
-        super(NovaTestResult, self).addFailure(test, err)
-        self._addResult(test, 'FAIL', 'red', 'F', False)
-
-    def addError(self, test, err):
-        super(NovaTestResult, self).addFailure(test, err)
-        self._addResult(test, 'ERROR', 'red', 'E', False)
-
-    def addSkip(self, test, reason=None, details=None):
-        super(NovaTestResult, self).addSkip(test, reason, details)
-        self._addResult(test, 'SKIP', 'blue', 'S', True)
-
-    def startTest(self, test):
-        self.start_time = self._now()
-        super(NovaTestResult, self).startTest(test)
-
-    def writeTestCase(self, cls):
-        if not self.results.get(cls):
-            return
-        if cls != self.last_written:
-            self.colorizer.write(cls, 'white')
-            self.stream.writeln()
-        for result in self.results[cls]:
-            self._writeResult(*result)
-        del self.results[cls]
-        self.stream.flush()
-        self.last_written = cls
-
-    def writeTests(self):
-        time = self.last_time.get(self.last_written, self._now())
-        if not self.last_written or (self._now() - time).total_seconds() > 2.0:
-            diff = 3.0
-            while diff > 2.0:
-                classes = self.results.keys()
-                oldest = min(classes, key=lambda x: self.last_time[x])
-                diff = (self._now() - self.last_time[oldest]).total_seconds()
-                self.writeTestCase(oldest)
-        else:
-            self.writeTestCase(self.last_written)
-
-    def done(self):
-        self.stopTestRun()
-
-    def stopTestRun(self):
-        for cls in list(self.results.iterkeys()):
-            self.writeTestCase(cls)
-        self.stream.writeln()
-        self.writeSlowTests()
-
-    def writeSlowTests(self):
-        # Pare out 'fast' tests
-        slow_tests = [item for item in self.slow_tests
-                      if get_elapsed_time_color(item[0]) != 'green']
-        if slow_tests:
-            slow_total_time = sum(item[0] for item in slow_tests)
-            slow = ("Slowest %i tests took %.2f secs:"
-                    % (len(slow_tests), slow_total_time))
-            self.colorizer.write(slow, 'yellow')
-            self.stream.writeln()
-            last_cls = None
-            # sort by name
-            for elapsed, cls, name in sorted(slow_tests,
-                                             key=lambda x: x[1] + x[2]):
-                if cls != last_cls:
-                    self.colorizer.write(cls, 'white')
-                    self.stream.writeln()
-                last_cls = cls
-                self.stream.write('    %s' % str(name).ljust(68))
-                self._writeElapsedTime(elapsed)
-                self.stream.writeln()
-
-    def printErrors(self):
-        if self.showAll:
-            self.stream.writeln()
-        self.printErrorList('ERROR', self.errors)
-        self.printErrorList('FAIL', self.failures)
-
-    def printErrorList(self, flavor, errors):
-        for test, err in errors:
-            self.colorizer.write("=" * 70, 'red')
-            self.stream.writeln()
-            self.colorizer.write(flavor, 'red')
-            self.stream.writeln(": %s" % test.id())
-            self.colorizer.write("-" * 70, 'red')
-            self.stream.writeln()
-            self.stream.writeln("%s" % err)
-
-
-test = subunit.ProtocolTestCase(sys.stdin, passthrough=None)
-
-if sys.version_info[0:2] <= (2, 6):
-    runner = unittest.TextTestRunner(verbosity=2)
-else:
-    runner = unittest.TextTestRunner(verbosity=2, resultclass=NovaTestResult)
-
-if runner.run(test).wasSuccessful():
-    exit_code = 0
-else:
-    exit_code = 1
-sys.exit(exit_code)
diff --git a/tox.ini b/tox.ini
index 892cfed..ecd4f24 100644
--- a/tox.ini
+++ b/tox.ini
@@ -55,7 +55,7 @@
 setenv = {[tempestenv]setenv}
 deps = {[tempestenv]deps}
 # The regex below is used to select which tests to run and exclude the slow tag:
-# See the testrepostiory bug: https://bugs.launchpad.net/testrepository/+bug/1208610
+# See the testrepository bug: https://bugs.launchpad.net/testrepository/+bug/1208610
 commands =
   find . -type f -name "*.pyc" -delete
   bash tools/pretty_tox.sh '(?!.*\[.*\bslow\b.*\])(^tempest\.(api|scenario|thirdparty)) {posargs}'
@@ -65,7 +65,7 @@
 setenv = {[tempestenv]setenv}
 deps = {[tempestenv]deps}
 # The regex below is used to select which tests to run and exclude the slow tag:
-# See the testrepostiory bug: https://bugs.launchpad.net/testrepository/+bug/1208610
+# See the testrepository bug: https://bugs.launchpad.net/testrepository/+bug/1208610
 commands =
   find . -type f -name "*.pyc" -delete
   bash tools/pretty_tox_serial.sh '(?!.*\[.*\bslow\b.*\])(^tempest\.(api|scenario|thirdparty)) {posargs}'