diff --git a/requirements.txt b/requirements.txt
index 7a6ed97..66e5696 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,12 +2,12 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 pbr>=1.6 # Apache-2.0
-cliff>=1.15.0 # Apache-2.0
+cliff!=1.16.0,>=1.15.0 # Apache-2.0
 anyjson>=0.3.3 # BSD
 httplib2>=0.7.5 # MIT
 jsonschema!=2.5.0,<3.0.0,>=2.0.0 # MIT
 testtools>=1.4.0 # MIT
-paramiko>=1.13.0 # LGPL
+paramiko>=1.16.0 # LGPL
 netaddr!=0.7.16,>=0.7.12 # BSD
 testrepository>=0.0.18 # Apache-2.0/BSD
 pyOpenSSL>=0.14 # Apache-2.0
diff --git a/tempest/api/compute/admin/test_live_migration.py b/tempest/api/compute/admin/test_live_migration.py
index 653a3cd..3ad9305 100644
--- a/tempest/api/compute/admin/test_live_migration.py
+++ b/tempest/api/compute/admin/test_live_migration.py
@@ -76,9 +76,6 @@
             if host != target_host:
                 return target_host
 
-    def _get_server_status(self, server_id):
-        return self._get_server_details(server_id)['status']
-
     def _volume_clean_up(self, server_id, volume_id):
         body = self.volumes_client.show_volume(volume_id)['volume']
         if body['status'] == 'in-use':
@@ -129,10 +126,6 @@
     @test.idempotent_id('1e107f21-61b2-4988-8f22-b196e938ab88')
     @testtools.skipUnless(CONF.compute_feature_enabled.pause,
                           'Pause is not available.')
-    @testtools.skipUnless(CONF.compute_feature_enabled
-                              .live_migrate_paused_instances,
-                          'Live migration of paused instances is not '
-                          'available.')
     def test_live_block_migration_paused(self):
         self._test_live_migration(state='PAUSED')
 
diff --git a/tempest/api/compute/limits/test_absolute_limits_negative.py b/tempest/api/compute/limits/test_absolute_limits_negative.py
index 73e852f..773bf23 100644
--- a/tempest/api/compute/limits/test_absolute_limits_negative.py
+++ b/tempest/api/compute/limits/test_absolute_limits_negative.py
@@ -31,7 +31,6 @@
     def setup_clients(cls):
         super(AbsoluteLimitsNegativeTestJSON, cls).setup_clients()
         cls.client = cls.limits_client
-        cls.server_client = cls.servers_client
 
     @test.attr(type=['negative'])
     @test.idempotent_id('215cd465-d8ae-49c9-bf33-9c911913a5c8')
diff --git a/tempest/api/compute/servers/test_attach_interfaces.py b/tempest/api/compute/servers/test_attach_interfaces.py
index a6ccdd3..be79163 100644
--- a/tempest/api/compute/servers/test_attach_interfaces.py
+++ b/tempest/api/compute/servers/test_attach_interfaces.py
@@ -45,6 +45,7 @@
     def setup_clients(cls):
         super(AttachInterfacesTestJSON, cls).setup_clients()
         cls.client = cls.os.interfaces_client
+        cls.ports_client = cls.os.ports_client
 
     def wait_for_interface_status(self, server, port_id, status):
         """Waits for an interface to reach a given status."""
@@ -108,6 +109,18 @@
         self._check_interface(iface, network_id=network_id)
         return iface
 
+    def _test_create_interface_by_port_id(self, server, ifs):
+        network_id = ifs[0]['net_id']
+        port = self.ports_client.create_port(network_id=network_id)
+        port_id = port['port']['id']
+        self.addCleanup(self.ports_client.delete_port, port_id)
+        iface = self.client.create_interface(
+            server['id'], port_id=port_id)['interfaceAttachment']
+        iface = self.wait_for_interface_status(
+            server['id'], iface['port_id'], 'ACTIVE')
+        self._check_interface(iface, port_id=port_id)
+        return iface
+
     def _test_show_interface(self, server, ifs):
         iface = ifs[0]
         _iface = self.client.show_interface(
@@ -167,6 +180,9 @@
         iface = self._test_create_interface_by_network_id(server, ifs)
         ifs.append(iface)
 
+        iface = self._test_create_interface_by_port_id(server, ifs)
+        ifs.append(iface)
+
         _ifs = (self.client.list_interfaces(server['id'])
                 ['interfaceAttachments'])
         self._compare_iface_list(ifs, _ifs)
diff --git a/tempest/api/compute/servers/test_server_group.py b/tempest/api/compute/servers/test_server_group.py
index c23b365..e32f6b0 100644
--- a/tempest/api/compute/servers/test_server_group.py
+++ b/tempest/api/compute/servers/test_server_group.py
@@ -13,8 +13,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib import decorators
-
 from tempest.api.compute import base
 from tempest.common.utils import data_utils
 from tempest import test
@@ -81,13 +79,6 @@
         policy = ['anti-affinity']
         self._create_delete_server_group(policy)
 
-    @decorators.skip_because(bug="1324348")
-    @test.idempotent_id('6d9bae05-eb32-425d-a673-e14e1b1c6306')
-    def test_create_delete_server_group_with_multiple_policies(self):
-        # Create and Delete the server-group with multiple policies
-        policies = ['affinity', 'affinity']
-        self._create_delete_server_group(policies)
-
     @test.idempotent_id('154dc5a4-a2fe-44b5-b99e-f15806a4a113')
     def test_create_delete_multiple_server_groups_with_same_name_policy(self):
         # Create and Delete the server-groups with same name and same policy
diff --git a/tempest/api/identity/admin/v3/test_credentials.py b/tempest/api/identity/admin/v3/test_credentials.py
index b81bff7..7c2e8e0 100644
--- a/tempest/api/identity/admin/v3/test_credentials.py
+++ b/tempest/api/identity/admin/v3/test_credentials.py
@@ -31,20 +31,20 @@
         u_email = '%s@testmail.tm' % u_name
         u_password = data_utils.rand_password()
         for i in range(2):
-            cls.project = cls.client.create_project(
+            cls.project = cls.projects_client.create_project(
                 data_utils.rand_name('project'),
                 description=data_utils.rand_name('project-desc'))['project']
             cls.projects.append(cls.project['id'])
 
-        cls.user_body = cls.client.create_user(
+        cls.user_body = cls.users_client.create_user(
             u_name, description=u_desc, password=u_password,
             email=u_email, project_id=cls.projects[0])['user']
 
     @classmethod
     def resource_cleanup(cls):
-        cls.client.delete_user(cls.user_body['id'])
+        cls.users_client.delete_user(cls.user_body['id'])
         for p in cls.projects:
-            cls.client.delete_project(p)
+            cls.projects_client.delete_project(p)
         super(CredentialsTestJSON, cls).resource_cleanup()
 
     def _delete_credential(self, cred_id):
diff --git a/tempest/api/identity/admin/v3/test_default_project_id.py b/tempest/api/identity/admin/v3/test_default_project_id.py
index 53861ca..3dc3cb6 100644
--- a/tempest/api/identity/admin/v3/test_default_project_id.py
+++ b/tempest/api/identity/admin/v3/test_default_project_id.py
@@ -45,10 +45,10 @@
 
         # create a project in the domain
         proj_name = data_utils.rand_name('proj')
-        proj_body = self.client.create_project(proj_name,
-                                               domain_id=dom_id)['project']
+        proj_body = self.projects_client.create_project(
+            proj_name, domain_id=dom_id)['project']
         proj_id = proj_body['id']
-        self.addCleanup(self.client.delete_project, proj_id)
+        self.addCleanup(self.projects_client.delete_project, proj_id)
         self.assertEqual(proj_body['domain_id'], dom_id,
                          "project " + proj_name +
                          "doesn't have domain id " + dom_id)
@@ -56,11 +56,13 @@
         # create a user in the domain, with the previous project as his
         # default project
         user_name = data_utils.rand_name('user')
-        user_body = self.client.create_user(user_name, password=user_name,
-                                            domain_id=dom_id,
-                                            default_project_id=proj_id)['user']
+        user_body = self.users_client.create_user(
+            user_name,
+            password=user_name,
+            domain_id=dom_id,
+            default_project_id=proj_id)['user']
         user_id = user_body['id']
-        self.addCleanup(self.client.delete_user, user_id)
+        self.addCleanup(self.users_client.delete_user, user_id)
         self.assertEqual(user_body['domain_id'], dom_id,
                          "user " + user_name +
                          "doesn't have domain id " + dom_id)
diff --git a/tempest/api/identity/admin/v3/test_endpoints.py b/tempest/api/identity/admin/v3/test_endpoints.py
index 2538829..50cf258 100644
--- a/tempest/api/identity/admin/v3/test_endpoints.py
+++ b/tempest/api/identity/admin/v3/test_endpoints.py
@@ -80,6 +80,7 @@
                                                url=url, region=region,
                                                enabled=True)['endpoint']
 
+        self.setup_endpoints.append(endpoint)
         # Asserting Create Endpoint response body
         self.assertIn('id', endpoint)
         self.assertEqual(region, endpoint['region'])
@@ -102,6 +103,7 @@
 
         # Deleting the endpoint created in this method
         self.client.delete_endpoint(endpoint['id'])
+        self.setup_endpoints.remove(endpoint)
 
         # Checking whether endpoint is deleted successfully
         fetched_endpoints = self.client.list_endpoints()['endpoints']
diff --git a/tempest/api/identity/admin/v3/test_groups.py b/tempest/api/identity/admin/v3/test_groups.py
index 03b8b29..010e4a0 100644
--- a/tempest/api/identity/admin/v3/test_groups.py
+++ b/tempest/api/identity/admin/v3/test_groups.py
@@ -68,9 +68,9 @@
         for i in range(3):
             name = data_utils.rand_name('User')
             password = data_utils.rand_password()
-            user = self.client.create_user(name, password)['user']
+            user = self.users_client.create_user(name, password)['user']
             users.append(user)
-            self.addCleanup(self.client.delete_user, user['id'])
+            self.addCleanup(self.users_client.delete_user, user['id'])
             self.groups_client.add_group_user(group['id'], user['id'])
 
         # list users in group
@@ -87,9 +87,9 @@
     @test.idempotent_id('64573281-d26a-4a52-b899-503cb0f4e4ec')
     def test_list_user_groups(self):
         # create a user
-        user = self.client.create_user(
+        user = self.users_client.create_user(
             data_utils.rand_name('User'), data_utils.rand_password())['user']
-        self.addCleanup(self.client.delete_user, user['id'])
+        self.addCleanup(self.users_client.delete_user, user['id'])
         # create two groups, and add user into them
         groups = []
         for i in range(2):
@@ -99,7 +99,7 @@
             self.addCleanup(self.groups_client.delete_group, group['id'])
             self.groups_client.add_group_user(group['id'], user['id'])
         # list groups which user belongs to
-        user_groups = self.client.list_user_groups(user['id'])['groups']
+        user_groups = self.users_client.list_user_groups(user['id'])['groups']
         self.assertEqual(sorted(groups), sorted(user_groups))
         self.assertEqual(2, len(user_groups))
 
diff --git a/tempest/api/identity/admin/v3/test_list_projects.py b/tempest/api/identity/admin/v3/test_list_projects.py
index aaed467..928437c 100644
--- a/tempest/api/identity/admin/v3/test_list_projects.py
+++ b/tempest/api/identity/admin/v3/test_list_projects.py
@@ -27,24 +27,24 @@
         cls.data.setup_test_domain()
         # Create project with domain
         cls.p1_name = data_utils.rand_name('project')
-        cls.p1 = cls.client.create_project(
+        cls.p1 = cls.projects_client.create_project(
             cls.p1_name, enabled=False,
             domain_id=cls.data.domain['id'])['project']
         cls.data.projects.append(cls.p1)
         cls.project_ids.append(cls.p1['id'])
         # Create default project
         p2_name = data_utils.rand_name('project')
-        cls.p2 = cls.client.create_project(p2_name)['project']
+        cls.p2 = cls.projects_client.create_project(p2_name)['project']
         cls.data.projects.append(cls.p2)
         cls.project_ids.append(cls.p2['id'])
 
     @test.idempotent_id('1d830662-22ad-427c-8c3e-4ec854b0af44')
     def test_projects_list(self):
         # List projects
-        list_projects = self.client.list_projects()['projects']
+        list_projects = self.projects_client.list_projects()['projects']
 
         for p in self.project_ids:
-            show_project = self.client.show_project(p)['project']
+            show_project = self.projects_client.show_project(p)['project']
             self.assertIn(show_project, list_projects)
 
     @test.idempotent_id('fab13f3c-f6a6-4b9f-829b-d32fd44fdf10')
@@ -64,6 +64,6 @@
         self._list_projects_with_params({'name': self.p1_name}, 'name')
 
     def _list_projects_with_params(self, params, key):
-        body = self.client.list_projects(params)['projects']
+        body = self.projects_client.list_projects(params)['projects']
         self.assertIn(self.p1[key], map(lambda x: x[key], body))
         self.assertNotIn(self.p2[key], map(lambda x: x[key], body))
diff --git a/tempest/api/identity/admin/v3/test_list_users.py b/tempest/api/identity/admin/v3/test_list_users.py
index 4921c00..5b27ab1 100644
--- a/tempest/api/identity/admin/v3/test_list_users.py
+++ b/tempest/api/identity/admin/v3/test_list_users.py
@@ -25,7 +25,7 @@
         # assert the response based on expected and not_expected
         # expected: user expected in the list response
         # not_expected: user, which should not be present in list response
-        body = self.client.list_users(params)['users']
+        body = self.users_client.list_users(params)['users']
         self.assertIn(expected[key], map(lambda x: x[key], body))
         self.assertNotIn(not_expected[key],
                          map(lambda x: x[key], body))
@@ -39,13 +39,13 @@
         cls.data.setup_test_domain()
         # Create user with Domain
         u1_name = data_utils.rand_name('test_user')
-        cls.domain_enabled_user = cls.client.create_user(
+        cls.domain_enabled_user = cls.users_client.create_user(
             u1_name, password=alt_password,
             email=cls.alt_email, domain_id=cls.data.domain['id'])['user']
         cls.data.users.append(cls.domain_enabled_user)
         # Create default not enabled user
         u2_name = data_utils.rand_name('test_user')
-        cls.non_domain_enabled_user = cls.client.create_user(
+        cls.non_domain_enabled_user = cls.users_client.create_user(
             u2_name, password=alt_password,
             email=cls.alt_email, enabled=False)['user']
         cls.data.users.append(cls.non_domain_enabled_user)
@@ -77,7 +77,7 @@
     @test.idempotent_id('b30d4651-a2ea-4666-8551-0c0e49692635')
     def test_list_users(self):
         # List users
-        body = self.client.list_users()['users']
+        body = self.users_client.list_users()['users']
         fetched_ids = [u['id'] for u in body]
         missing_users = [u['id'] for u in self.data.users
                          if u['id'] not in fetched_ids]
@@ -88,7 +88,7 @@
     @test.idempotent_id('b4baa3ae-ac00-4b4e-9e27-80deaad7771f')
     def test_get_user(self):
         # Get a user detail
-        user = self.client.show_user(self.data.users[0]['id'])['user']
+        user = self.users_client.show_user(self.data.users[0]['id'])['user']
         self.assertEqual(self.data.users[0]['id'], user['id'])
         self.assertEqual(self.data.users[0]['name'], user['name'])
         self.assertEqual(self.alt_email, user['email'])
diff --git a/tempest/api/identity/admin/v3/test_projects.py b/tempest/api/identity/admin/v3/test_projects.py
index 2f4cc51..607bebe 100644
--- a/tempest/api/identity/admin/v3/test_projects.py
+++ b/tempest/api/identity/admin/v3/test_projects.py
@@ -25,14 +25,14 @@
         # Create project with a description
         project_name = data_utils.rand_name('project')
         project_desc = data_utils.rand_name('desc')
-        project = self.client.create_project(
+        project = self.projects_client.create_project(
             project_name, description=project_desc)['project']
         self.data.projects.append(project)
         project_id = project['id']
         desc1 = project['description']
         self.assertEqual(desc1, project_desc, 'Description should have '
                          'been sent in response for create')
-        body = self.client.show_project(project_id)['project']
+        body = self.projects_client.show_project(project_id)['project']
         desc2 = body['description']
         self.assertEqual(desc2, project_desc, 'Description does not appear'
                          'to be set')
@@ -42,13 +42,13 @@
         # Create project with a domain
         self.data.setup_test_domain()
         project_name = data_utils.rand_name('project')
-        project = self.client.create_project(
+        project = self.projects_client.create_project(
             project_name, domain_id=self.data.domain['id'])['project']
         self.data.projects.append(project)
         project_id = project['id']
         self.assertEqual(project_name, project['name'])
         self.assertEqual(self.data.domain['id'], project['domain_id'])
-        body = self.client.show_project(project_id)['project']
+        body = self.projects_client.show_project(project_id)['project']
         self.assertEqual(project_name, body['name'])
         self.assertEqual(self.data.domain['id'], body['domain_id'])
 
@@ -56,13 +56,13 @@
     def test_project_create_enabled(self):
         # Create a project that is enabled
         project_name = data_utils.rand_name('project')
-        project = self.client.create_project(
+        project = self.projects_client.create_project(
             project_name, enabled=True)['project']
         self.data.projects.append(project)
         project_id = project['id']
         en1 = project['enabled']
         self.assertTrue(en1, 'Enable should be True in response')
-        body = self.client.show_project(project_id)['project']
+        body = self.projects_client.show_project(project_id)['project']
         en2 = body['enabled']
         self.assertTrue(en2, 'Enable should be True in lookup')
 
@@ -70,13 +70,13 @@
     def test_project_create_not_enabled(self):
         # Create a project that is not enabled
         project_name = data_utils.rand_name('project')
-        project = self.client.create_project(
+        project = self.projects_client.create_project(
             project_name, enabled=False)['project']
         self.data.projects.append(project)
         en1 = project['enabled']
         self.assertEqual('false', str(en1).lower(),
                          'Enable should be False in response')
-        body = self.client.show_project(project['id'])['project']
+        body = self.projects_client.show_project(project['id'])['project']
         en2 = body['enabled']
         self.assertEqual('false', str(en2).lower(),
                          'Enable should be False in lookup')
@@ -85,18 +85,18 @@
     def test_project_update_name(self):
         # Update name attribute of a project
         p_name1 = data_utils.rand_name('project')
-        project = self.client.create_project(p_name1)['project']
+        project = self.projects_client.create_project(p_name1)['project']
         self.data.projects.append(project)
 
         resp1_name = project['name']
 
         p_name2 = data_utils.rand_name('project2')
-        body = self.client.update_project(project['id'],
-                                          name=p_name2)['project']
+        body = self.projects_client.update_project(project['id'],
+                                                   name=p_name2)['project']
         resp2_name = body['name']
         self.assertNotEqual(resp1_name, resp2_name)
 
-        body = self.client.show_project(project['id'])['project']
+        body = self.projects_client.show_project(project['id'])['project']
         resp3_name = body['name']
 
         self.assertNotEqual(resp1_name, resp3_name)
@@ -108,18 +108,18 @@
         # Update description attribute of a project
         p_name = data_utils.rand_name('project')
         p_desc = data_utils.rand_name('desc')
-        project = self.client.create_project(
+        project = self.projects_client.create_project(
             p_name, description=p_desc)['project']
         self.data.projects.append(project)
         resp1_desc = project['description']
 
         p_desc2 = data_utils.rand_name('desc2')
-        body = self.client.update_project(
+        body = self.projects_client.update_project(
             project['id'], description=p_desc2)['project']
         resp2_desc = body['description']
         self.assertNotEqual(resp1_desc, resp2_desc)
 
-        body = self.client.show_project(project['id'])['project']
+        body = self.projects_client.show_project(project['id'])['project']
         resp3_desc = body['description']
 
         self.assertNotEqual(resp1_desc, resp3_desc)
@@ -131,18 +131,19 @@
         # Update the enabled attribute of a project
         p_name = data_utils.rand_name('project')
         p_en = False
-        project = self.client.create_project(p_name, enabled=p_en)['project']
+        project = self.projects_client.create_project(p_name,
+                                                      enabled=p_en)['project']
         self.data.projects.append(project)
 
         resp1_en = project['enabled']
 
         p_en2 = True
-        body = self.client.update_project(
-            project['id'], enabled=p_en2)['project']
+        body = self.projects_client.update_project(project['id'],
+                                                   enabled=p_en2)['project']
         resp2_en = body['enabled']
         self.assertNotEqual(resp1_en, resp2_en)
 
-        body = self.client.show_project(project['id'])['project']
+        body = self.projects_client.show_project(project['id'])['project']
         resp3_en = body['enabled']
 
         self.assertNotEqual(resp1_en, resp3_en)
@@ -154,7 +155,7 @@
         # Associate a user to a project
         # Create a Project
         p_name = data_utils.rand_name('project')
-        project = self.client.create_project(p_name)['project']
+        project = self.projects_client.create_project(p_name)['project']
         self.data.projects.append(project)
 
         # Create a User
@@ -162,14 +163,14 @@
         u_desc = u_name + 'description'
         u_email = u_name + '@testmail.tm'
         u_password = data_utils.rand_password()
-        user = self.client.create_user(
+        user = self.users_client.create_user(
             u_name, description=u_desc, password=u_password,
             email=u_email, project_id=project['id'])['user']
         # Delete the User at the end of this method
-        self.addCleanup(self.client.delete_user, user['id'])
+        self.addCleanup(self.users_client.delete_user, user['id'])
 
         # Get User To validate the user details
-        new_user_get = self.client.show_user(user['id'])['user']
+        new_user_get = self.users_client.show_user(user['id'])['user']
         # Assert response body of GET
         self.assertEqual(u_name, new_user_get['name'])
         self.assertEqual(u_desc, new_user_get['description'])
diff --git a/tempest/api/identity/admin/v3/test_projects_negative.py b/tempest/api/identity/admin/v3/test_projects_negative.py
index 9b60d54..79cfc91 100644
--- a/tempest/api/identity/admin/v3/test_projects_negative.py
+++ b/tempest/api/identity/admin/v3/test_projects_negative.py
@@ -27,18 +27,18 @@
     def test_list_projects_by_unauthorized_user(self):
         # Non-admin user should not be able to list projects
         self.assertRaises(lib_exc.Forbidden,
-                          self.non_admin_client.list_projects)
+                          self.non_admin_projects_client.list_projects)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('874c3e84-d174-4348-a16b-8c01f599561b')
     def test_project_create_duplicate(self):
         # Project names should be unique
         project_name = data_utils.rand_name('project-dup')
-        project = self.client.create_project(project_name)['project']
+        project = self.projects_client.create_project(project_name)['project']
         self.data.projects.append(project)
 
-        self.assertRaises(
-            lib_exc.Conflict, self.client.create_project, project_name)
+        self.assertRaises(lib_exc.Conflict,
+                          self.projects_client.create_project, project_name)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('8fba9de2-3e1f-4e77-812a-60cb68f8df13')
@@ -46,38 +46,39 @@
         # Non-admin user should not be authorized to create a project
         project_name = data_utils.rand_name('project')
         self.assertRaises(
-            lib_exc.Forbidden, self.non_admin_client.create_project,
+            lib_exc.Forbidden, self.non_admin_projects_client.create_project,
             project_name)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('7828db17-95e5-475b-9432-9a51b4aa79a9')
     def test_create_project_with_empty_name(self):
         # Project name should not be empty
-        self.assertRaises(lib_exc.BadRequest, self.client.create_project,
-                          name='')
+        self.assertRaises(lib_exc.BadRequest,
+                          self.projects_client.create_project, name='')
 
     @test.attr(type=['negative'])
     @test.idempotent_id('502b6ceb-b0c8-4422-bf53-f08fdb21e2f0')
     def test_create_projects_name_length_over_64(self):
         # Project name length should not be greater than 64 characters
         project_name = 'a' * 65
-        self.assertRaises(lib_exc.BadRequest, self.client.create_project,
-                          project_name)
+        self.assertRaises(lib_exc.BadRequest,
+                          self.projects_client.create_project, project_name)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('8d68c012-89e0-4394-8d6b-ccd7196def97')
     def test_project_delete_by_unauthorized_user(self):
         # Non-admin user should not be able to delete a project
         project_name = data_utils.rand_name('project')
-        project = self.client.create_project(project_name)['project']
+        project = self.projects_client.create_project(project_name)['project']
         self.data.projects.append(project)
         self.assertRaises(
-            lib_exc.Forbidden, self.non_admin_client.delete_project,
+            lib_exc.Forbidden, self.non_admin_projects_client.delete_project,
             project['id'])
 
     @test.attr(type=['negative'])
     @test.idempotent_id('7965b581-60c1-43b7-8169-95d4ab7fc6fb')
     def test_delete_non_existent_project(self):
         # Attempt to delete a non existent project should fail
-        self.assertRaises(lib_exc.NotFound, self.client.delete_project,
+        self.assertRaises(lib_exc.NotFound,
+                          self.projects_client.delete_project,
                           data_utils.rand_uuid_hex())
diff --git a/tempest/api/identity/admin/v3/test_roles.py b/tempest/api/identity/admin/v3/test_roles.py
index f1f06ee..468f169 100644
--- a/tempest/api/identity/admin/v3/test_roles.py
+++ b/tempest/api/identity/admin/v3/test_roles.py
@@ -35,14 +35,14 @@
         cls.domain = cls.client.create_domain(
             data_utils.rand_name('domain'),
             description=data_utils.rand_name('domain-desc'))['domain']
-        cls.project = cls.client.create_project(
+        cls.project = cls.projects_client.create_project(
             data_utils.rand_name('project'),
             description=data_utils.rand_name('project-desc'),
             domain_id=cls.domain['id'])['project']
         cls.group_body = cls.groups_client.create_group(
             name=data_utils.rand_name('Group'), project_id=cls.project['id'],
             domain_id=cls.domain['id'])['group']
-        cls.user_body = cls.client.create_user(
+        cls.user_body = cls.users_client.create_user(
             u_name, description=u_desc, password=cls.u_password,
             email=u_email, project_id=cls.project['id'],
             domain_id=cls.domain['id'])['user']
@@ -53,8 +53,8 @@
     def resource_cleanup(cls):
         cls.client.delete_role(cls.role['id'])
         cls.groups_client.delete_group(cls.group_body['id'])
-        cls.client.delete_user(cls.user_body['id'])
-        cls.client.delete_project(cls.project['id'])
+        cls.users_client.delete_user(cls.user_body['id'])
+        cls.projects_client.delete_project(cls.project['id'])
         # NOTE(harika-vakadi): It is necessary to disable the domain
         # before deleting,or else it would result in unauthorized error
         cls.client.update_domain(cls.domain['id'], enabled=False)
diff --git a/tempest/api/identity/admin/v3/test_tokens.py b/tempest/api/identity/admin/v3/test_tokens.py
index b1446cf..531ff56 100644
--- a/tempest/api/identity/admin/v3/test_tokens.py
+++ b/tempest/api/identity/admin/v3/test_tokens.py
@@ -30,10 +30,10 @@
         u_desc = '%s-description' % u_name
         u_email = '%s@testmail.tm' % u_name
         u_password = data_utils.rand_password()
-        user = self.client.create_user(
+        user = self.users_client.create_user(
             u_name, description=u_desc, password=u_password,
             email=u_email)['user']
-        self.addCleanup(self.client.delete_user, user['id'])
+        self.addCleanup(self.users_client.delete_user, user['id'])
         # Perform Authentication
         resp = self.token.auth(user_id=user['id'],
                                password=u_password).response
@@ -61,18 +61,20 @@
         # Create a user.
         user_name = data_utils.rand_name(name='user')
         user_password = data_utils.rand_password()
-        user = self.client.create_user(user_name,
-                                       password=user_password)['user']
-        self.addCleanup(self.client.delete_user, user['id'])
+        user = self.users_client.create_user(user_name,
+                                             password=user_password)['user']
+        self.addCleanup(self.users_client.delete_user, user['id'])
 
         # Create a couple projects
         project1_name = data_utils.rand_name(name='project')
-        project1 = self.client.create_project(project1_name)['project']
-        self.addCleanup(self.client.delete_project, project1['id'])
+        project1 = self.projects_client.create_project(
+            project1_name)['project']
+        self.addCleanup(self.projects_client.delete_project, project1['id'])
 
         project2_name = data_utils.rand_name(name='project')
-        project2 = self.client.create_project(project2_name)['project']
-        self.addCleanup(self.client.delete_project, project2['id'])
+        project2 = self.projects_client.create_project(
+            project2_name)['project']
+        self.addCleanup(self.projects_client.delete_project, project2['id'])
 
         # Create a role
         role_name = data_utils.rand_name(name='role')
@@ -80,11 +82,11 @@
         self.addCleanup(self.client.delete_role, role['id'])
 
         # Grant the user the role on both projects.
-        self.client.assign_user_role(project1['id'], user['id'],
-                                     role['id'])
+        self.client.assign_user_role_on_project(project1['id'], user['id'],
+                                                role['id'])
 
-        self.client.assign_user_role(project2['id'], user['id'],
-                                     role['id'])
+        self.client.assign_user_role_on_project(project2['id'], user['id'],
+                                                role['id'])
 
         # Get an unscoped token.
         token_auth = self.token.auth(user_id=user['id'],
diff --git a/tempest/api/identity/admin/v3/test_trusts.py b/tempest/api/identity/admin/v3/test_trusts.py
index 2ffc596..180e695 100644
--- a/tempest/api/identity/admin/v3/test_trusts.py
+++ b/tempest/api/identity/admin/v3/test_trusts.py
@@ -46,8 +46,8 @@
     def create_trustor_and_roles(self):
         # create a project that trusts will be granted on
         self.trustor_project_name = data_utils.rand_name(name='project')
-        project = self.client.create_project(self.trustor_project_name,
-                                             domain_id='default')['project']
+        project = self.projects_client.create_project(
+            self.trustor_project_name, domain_id='default')['project']
         self.trustor_project_id = project['id']
         self.assertIsNotNone(self.trustor_project_id)
 
@@ -56,7 +56,7 @@
         u_desc = self.trustor_username + 'description'
         u_email = self.trustor_username + '@testmail.xx'
         self.trustor_password = data_utils.rand_password()
-        user = self.client.create_user(
+        user = self.users_client.create_user(
             self.trustor_username,
             description=u_desc,
             password=self.trustor_password,
@@ -76,12 +76,12 @@
         self.not_delegated_role_id = role['id']
 
         # Assign roles to trustor
-        self.client.assign_user_role(self.trustor_project_id,
-                                     self.trustor_user_id,
-                                     self.delegated_role_id)
-        self.client.assign_user_role(self.trustor_project_id,
-                                     self.trustor_user_id,
-                                     self.not_delegated_role_id)
+        self.client.assign_user_role_on_project(self.trustor_project_id,
+                                                self.trustor_user_id,
+                                                self.delegated_role_id)
+        self.client.assign_user_role_on_project(self.trustor_project_id,
+                                                self.trustor_user_id,
+                                                self.not_delegated_role_id)
 
         # Get trustee user ID, use the demo user
         trustee_username = self.non_admin_client.user
@@ -101,9 +101,9 @@
 
     def cleanup_user_and_roles(self):
         if self.trustor_user_id:
-            self.client.delete_user(self.trustor_user_id)
+            self.users_client.delete_user(self.trustor_user_id)
         if self.trustor_project_id:
-            self.client.delete_project(self.trustor_project_id)
+            self.projects_client.delete_project(self.trustor_project_id)
         if self.delegated_role_id:
             self.client.delete_role(self.delegated_role_id)
         if self.not_delegated_role_id:
diff --git a/tempest/api/identity/admin/v3/test_users.py b/tempest/api/identity/admin/v3/test_users.py
index 7c0c223..de659d8 100644
--- a/tempest/api/identity/admin/v3/test_users.py
+++ b/tempest/api/identity/admin/v3/test_users.py
@@ -30,22 +30,22 @@
         u_desc = u_name + 'description'
         u_email = u_name + '@testmail.tm'
         u_password = data_utils.rand_password()
-        user = self.client.create_user(
+        user = self.users_client.create_user(
             u_name, description=u_desc, password=u_password,
             email=u_email, enabled=False)['user']
         # Delete the User at the end of this method
-        self.addCleanup(self.client.delete_user, user['id'])
+        self.addCleanup(self.users_client.delete_user, user['id'])
         # Creating second project for updation
-        project = self.client.create_project(
+        project = self.projects_client.create_project(
             data_utils.rand_name('project'),
             description=data_utils.rand_name('project-desc'))['project']
         # Delete the Project at the end of this method
-        self.addCleanup(self.client.delete_project, project['id'])
+        self.addCleanup(self.projects_client.delete_project, project['id'])
         # Updating user details with new values
         u_name2 = data_utils.rand_name('user2')
         u_email2 = u_name2 + '@testmail.tm'
         u_description2 = u_name2 + ' description'
-        update_user = self.client.update_user(
+        update_user = self.users_client.update_user(
             user['id'], name=u_name2, description=u_description2,
             project_id=project['id'],
             email=u_email2, enabled=False)['user']
@@ -56,7 +56,7 @@
         self.assertEqual(u_email2, update_user['email'])
         self.assertEqual(False, update_user['enabled'])
         # GET by id after updation
-        new_user_get = self.client.show_user(user['id'])['user']
+        new_user_get = self.users_client.show_user(user['id'])['user']
         # Assert response body of GET after updation
         self.assertEqual(u_name2, new_user_get['name'])
         self.assertEqual(u_description2, new_user_get['description'])
@@ -70,14 +70,15 @@
         # Creating User to check password updation
         u_name = data_utils.rand_name('user')
         original_password = data_utils.rand_password()
-        user = self.client.create_user(
+        user = self.users_client.create_user(
             u_name, password=original_password)['user']
         # Delete the User at the end all test methods
-        self.addCleanup(self.client.delete_user, user['id'])
+        self.addCleanup(self.users_client.delete_user, user['id'])
         # Update user with new password
         new_password = data_utils.rand_password()
-        self.client.update_user_password(user['id'], password=new_password,
-                                         original_password=original_password)
+        self.users_client.update_user_password(
+            user['id'], password=new_password,
+            original_password=original_password)
         # TODO(lbragstad): Sleeping after the response status has been checked
         # and the body loaded as JSON allows requests to fail-fast. The sleep
         # is necessary because keystone will err on the side of security and
@@ -100,43 +101,45 @@
         # List the projects that a user has access upon
         assigned_project_ids = list()
         fetched_project_ids = list()
-        u_project = self.client.create_project(
+        u_project = self.projects_client.create_project(
             data_utils.rand_name('project'),
             description=data_utils.rand_name('project-desc'))['project']
         # Delete the Project at the end of this method
-        self.addCleanup(self.client.delete_project, u_project['id'])
+        self.addCleanup(self.projects_client.delete_project, u_project['id'])
         # Create a user.
         u_name = data_utils.rand_name('user')
         u_desc = u_name + 'description'
         u_email = u_name + '@testmail.tm'
         u_password = data_utils.rand_password()
-        user_body = self.client.create_user(
+        user_body = self.users_client.create_user(
             u_name, description=u_desc, password=u_password,
             email=u_email, enabled=False, project_id=u_project['id'])['user']
         # Delete the User at the end of this method
-        self.addCleanup(self.client.delete_user, user_body['id'])
+        self.addCleanup(self.users_client.delete_user, user_body['id'])
         # Creating Role
         role_body = self.client.create_role(
             name=data_utils.rand_name('role'))['role']
         # Delete the Role at the end of this method
         self.addCleanup(self.client.delete_role, role_body['id'])
 
-        user = self.client.show_user(user_body['id'])['user']
+        user = self.users_client.show_user(user_body['id'])['user']
         role = self.client.show_role(role_body['id'])['role']
         for i in range(2):
             # Creating project so as to assign role
-            project_body = self.client.create_project(
+            project_body = self.projects_client.create_project(
                 data_utils.rand_name('project'),
                 description=data_utils.rand_name('project-desc'))['project']
-            project = self.client.show_project(project_body['id'])['project']
+            project = self.projects_client.show_project(
+                project_body['id'])['project']
             # Delete the Project at the end of this method
-            self.addCleanup(self.client.delete_project, project_body['id'])
+            self.addCleanup(
+                self.projects_client.delete_project, project_body['id'])
             # Assigning roles to user on project
-            self.client.assign_user_role(project['id'],
-                                         user['id'],
-                                         role['id'])
+            self.client.assign_user_role_on_project(project['id'],
+                                                    user['id'],
+                                                    role['id'])
             assigned_project_ids.append(project['id'])
-        body = self.client.list_user_projects(user['id'])['projects']
+        body = self.users_client.list_user_projects(user['id'])['projects']
         for i in body:
             fetched_project_ids.append(i['id'])
         # verifying the project ids in list
@@ -152,5 +155,5 @@
     def test_get_user(self):
         # Get a user detail
         self.data.setup_test_user()
-        user = self.client.show_user(self.data.user['id'])['user']
+        user = self.users_client.show_user(self.data.user['id'])['user']
         self.assertEqual(self.data.user['id'], user['id'])
diff --git a/tempest/api/identity/admin/v3/test_users_negative.py b/tempest/api/identity/admin/v3/test_users_negative.py
index 39c89a5..9dd477b 100644
--- a/tempest/api/identity/admin/v3/test_users_negative.py
+++ b/tempest/api/identity/admin/v3/test_users_negative.py
@@ -29,7 +29,7 @@
         u_name = data_utils.rand_name('user')
         u_email = u_name + '@testmail.tm'
         u_password = data_utils.rand_password()
-        self.assertRaises(lib_exc.NotFound, self.client.create_user,
+        self.assertRaises(lib_exc.NotFound, self.users_client.create_user,
                           u_name, u_password,
                           email=u_email,
                           domain_id=data_utils.rand_uuid_hex())
diff --git a/tempest/api/identity/base.py b/tempest/api/identity/base.py
index d31569b..1025de7 100644
--- a/tempest/api/identity/base.py
+++ b/tempest/api/identity/base.py
@@ -48,7 +48,7 @@
         try:
             tenants = cls.tenants_client.list_tenants()['tenants']
         except AttributeError:
-            tenants = cls.client.list_projects()['projects']
+            tenants = cls.projects_client.list_projects()['projects']
         tenant = [t for t in tenants if t['name'] == name]
         if len(tenant) > 0:
             return tenant[0]
@@ -129,7 +129,9 @@
     def setup_clients(cls):
         super(BaseIdentityV3Test, cls).setup_clients()
         cls.non_admin_client = cls.os.identity_v3_client
+        cls.non_admin_users_client = cls.os.users_v3_client
         cls.non_admin_token = cls.os.token_v3_client
+        cls.non_admin_projects_client = cls.os.projects_client
 
     @classmethod
     def resource_cleanup(cls):
@@ -144,6 +146,7 @@
     def setup_clients(cls):
         super(BaseIdentityV3AdminTest, cls).setup_clients()
         cls.client = cls.os_adm.identity_v3_client
+        cls.users_client = cls.os_adm.users_v3_client
         cls.token = cls.os_adm.token_v3_client
         cls.endpoints_client = cls.os_adm.endpoints_client
         cls.regions_client = cls.os_adm.regions_client
@@ -151,11 +154,13 @@
         cls.policies_client = cls.os_adm.policies_client
         cls.creds_client = cls.os_adm.credentials_client
         cls.groups_client = cls.os_adm.groups_client
+        cls.projects_client = cls.os_adm.projects_client
 
     @classmethod
     def resource_setup(cls):
         super(BaseIdentityV3AdminTest, cls).resource_setup()
-        cls.data = DataGeneratorV3(cls.client)
+        cls.data = DataGeneratorV3(cls.client, cls.projects_client,
+                                   cls.users_client)
 
     @classmethod
     def resource_cleanup(cls):
@@ -163,20 +168,6 @@
         super(BaseIdentityV3AdminTest, cls).resource_cleanup()
 
     @classmethod
-    def get_user_by_name(cls, name):
-        users = cls.client.list_users()['users']
-        user = [u for u in users if u['name'] == name]
-        if len(user) > 0:
-            return user[0]
-
-    @classmethod
-    def get_tenant_by_name(cls, name):
-        tenants = cls.client.list_projects()['projects']
-        tenant = [t for t in tenants if t['name'] == name]
-        if len(tenant) > 0:
-            return tenant[0]
-
-    @classmethod
     def get_role_by_name(cls, name):
         roles = cls.client.list_roles()['roles']
         role = [r for r in roles if r['name'] == name]
@@ -186,7 +177,7 @@
     @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)
+        cls.users_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
@@ -197,11 +188,11 @@
 
 class BaseDataGenerator(object):
 
-    def __init__(self, client, projects_client=None,
-                 users_client=None, roles_client=None):
+    def __init__(self, client, projects_client,
+                 users_client, roles_client=None):
         self.client = client
-        self.projects_client = projects_client or client
-        self.users_client = users_client or client
+        self.projects_client = projects_client
+        self.users_client = users_client
         self.roles_client = roles_client or client
 
         self.user_password = None
diff --git a/tempest/api/identity/v3/test_projects.py b/tempest/api/identity/v3/test_projects.py
index a547b06..b42cf43 100644
--- a/tempest/api/identity/v3/test_projects.py
+++ b/tempest/api/identity/v3/test_projects.py
@@ -27,7 +27,7 @@
     def test_list_projects_returns_only_authorized_projects(self):
         alt_project_name =\
             self.alt_manager.credentials.credentials.project_name
-        resp = self.non_admin_client.list_user_projects(
+        resp = self.non_admin_users_client.list_user_projects(
             self.os.credentials.user_id)
 
         # check that user can see only that projects that he presents in so
diff --git a/tempest/api/identity/v3/test_users.py b/tempest/api/identity/v3/test_users.py
index 93814d3..29396a8 100644
--- a/tempest/api/identity/v3/test_users.py
+++ b/tempest/api/identity/v3/test_users.py
@@ -39,23 +39,24 @@
         self.new_creds = copy.copy(self.creds.credentials)
         self.new_creds.password = data_utils.rand_password()
         # we need new non-admin Identity V3 Client with new credentials, since
-        # current non_admin_client token will be revoked after updating
+        # current non_admin_users_client token will be revoked after updating
         # password
-        self.non_admin_client_for_cleanup = copy.copy(self.non_admin_client)
-        self.non_admin_client_for_cleanup.auth_provider = (
+        self.non_admin_users_client_for_cleanup = (
+            copy.copy(self.non_admin_users_client))
+        self.non_admin_users_client_for_cleanup.auth_provider = (
             manager.get_auth_provider(self.new_creds))
         user_id = self.creds.credentials.user_id
         old_pass = self.creds.credentials.password
         new_pass = self.new_creds.password
         # to change password back. important for allow_tenant_isolation = false
         self.addCleanup(
-            self.non_admin_client_for_cleanup.update_user_password,
+            self.non_admin_users_client_for_cleanup.update_user_password,
             user_id,
             password=old_pass,
             original_password=new_pass)
 
         # user updates own password
-        self.non_admin_client.update_user_password(
+        self.non_admin_users_client.update_user_password(
             user_id, password=new_pass, original_password=old_pass)
 
         # TODO(lbragstad): Sleeping after the response status has been checked
diff --git a/tempest/api/messaging/__init__.py b/tempest/api/messaging/__init__.py
deleted file mode 100644
index e69de29..0000000
--- a/tempest/api/messaging/__init__.py
+++ /dev/null
diff --git a/tempest/api/messaging/base.py b/tempest/api/messaging/base.py
deleted file mode 100644
index a324c37..0000000
--- a/tempest/api/messaging/base.py
+++ /dev/null
@@ -1,161 +0,0 @@
-# Copyright (c) 2014 Rackspace, Inc.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#    http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
-# implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-from tempest.common.utils import data_utils
-from tempest import config
-from tempest import test
-
-CONF = config.CONF
-
-
-class BaseMessagingTest(test.BaseTestCase):
-
-    """Base class for the Messaging (Zaqar) tests
-
-    It is assumed that the following option is defined in the
-    [service_available] section of etc/tempest.conf
-
-        messaging as True
-    """
-
-    credentials = ['primary']
-
-    @classmethod
-    def skip_checks(cls):
-        super(BaseMessagingTest, cls).skip_checks()
-        if not CONF.service_available.zaqar:
-            raise cls.skipException("Zaqar support is required")
-
-    @classmethod
-    def setup_clients(cls):
-        super(BaseMessagingTest, cls).setup_clients()
-        cls.client = cls.os.messaging_client
-
-    @classmethod
-    def resource_setup(cls):
-        super(BaseMessagingTest, cls).resource_setup()
-        cls.messaging_cfg = CONF.messaging
-
-    @classmethod
-    def create_queue(cls, queue_name):
-        """Wrapper utility that returns a test queue."""
-        resp, body = cls.client.create_queue(queue_name)
-        return resp, body
-
-    @classmethod
-    def delete_queue(cls, queue_name):
-        """Wrapper utility that deletes a test queue."""
-        resp, body = cls.client.delete_queue(queue_name)
-        return resp, body
-
-    @classmethod
-    def check_queue_exists(cls, queue_name):
-        """Wrapper utility that checks the existence of a test queue."""
-        resp, body = cls.client.show_queue(queue_name)
-        return resp, body
-
-    @classmethod
-    def check_queue_exists_head(cls, queue_name):
-        """Wrapper utility checks the head of a queue via http HEAD."""
-        resp, body = cls.client.head_queue(queue_name)
-        return resp, body
-
-    @classmethod
-    def list_queues(cls):
-        """Wrapper utility that lists queues."""
-        resp, body = cls.client.list_queues()
-        return resp, body
-
-    @classmethod
-    def get_queue_stats(cls, queue_name):
-        """Wrapper utility that returns the queue stats."""
-        resp, body = cls.client.show_queue_stats(queue_name)
-        return resp, body
-
-    @classmethod
-    def get_queue_metadata(cls, queue_name):
-        """Wrapper utility that gets a queue metadata."""
-        resp, body = cls.client.show_queue_metadata(queue_name)
-        return resp, body
-
-    @classmethod
-    def set_queue_metadata(cls, queue_name, rbody):
-        """Wrapper utility that sets the metadata of a queue."""
-        resp, body = cls.client.set_queue_metadata(queue_name, rbody)
-        return resp, body
-
-    @classmethod
-    def post_messages(cls, queue_name, rbody):
-        """Wrapper utility that posts messages to a queue."""
-        resp, body = cls.client.post_messages(queue_name, rbody)
-
-        return resp, body
-
-    @classmethod
-    def list_messages(cls, queue_name):
-        """Wrapper utility that lists the messages in a queue."""
-        resp, body = cls.client.list_messages(queue_name)
-
-        return resp, body
-
-    @classmethod
-    def delete_messages(cls, message_uri):
-        """Wrapper utility that deletes messages."""
-        resp, body = cls.client.delete_messages(message_uri)
-
-        return resp, body
-
-    @classmethod
-    def post_claims(cls, queue_name, rbody, url_params=False):
-        """Wrapper utility that claims messages."""
-        resp, body = cls.client.post_claims(
-            queue_name, rbody, url_params=False)
-
-        return resp, body
-
-    @classmethod
-    def query_claim(cls, claim_uri):
-        """Wrapper utility that gets a claim."""
-        resp, body = cls.client.query_claim(claim_uri)
-
-        return resp, body
-
-    @classmethod
-    def update_claim(cls, claim_uri, rbody):
-        """Wrapper utility that updates a claim."""
-        resp, body = cls.client.update_claim(claim_uri, rbody)
-
-        return resp, body
-
-    @classmethod
-    def release_claim(cls, claim_uri):
-        """Wrapper utility that deletes a claim."""
-        resp, body = cls.client.delete_claim(claim_uri)
-
-        return resp, body
-
-    @classmethod
-    def generate_message_body(cls, repeat=1):
-        """Wrapper utility that sets the metadata of a queue."""
-        message_ttl = data_utils.\
-            rand_int_id(start=60, end=CONF.messaging.max_message_ttl)
-
-        key = data_utils.arbitrary_string(size=20, base_text='MessagingKey')
-        value = data_utils.arbitrary_string(size=20,
-                                            base_text='MessagingValue')
-        message_body = {key: value}
-
-        rbody = ([{'body': message_body, 'ttl': message_ttl}] * repeat)
-        return rbody
diff --git a/tempest/api/messaging/test_claims.py b/tempest/api/messaging/test_claims.py
deleted file mode 100644
index 99edde1..0000000
--- a/tempest/api/messaging/test_claims.py
+++ /dev/null
@@ -1,125 +0,0 @@
-# Copyright (c) 2014 Rackspace, Inc.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#    http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
-# implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-from six.moves.urllib import parse as urlparse
-from tempest_lib import decorators
-
-from tempest.api.messaging import base
-from tempest.common.utils import data_utils
-from tempest import config
-from tempest import test
-
-
-CONF = config.CONF
-
-
-class TestClaims(base.BaseMessagingTest):
-
-    @classmethod
-    def resource_setup(cls):
-        super(TestClaims, cls).resource_setup()
-        cls.queue_name = data_utils.rand_name('Queues-Test')
-        # Create Queue
-        cls.create_queue(cls.queue_name)
-
-    def _post_and_claim_messages(self, queue_name, repeat=1):
-        # Post Messages
-        message_body = self.generate_message_body(repeat=repeat)
-        self.client.post_messages(queue_name=self.queue_name,
-                                  rbody=message_body)
-
-        # Post Claim
-        claim_ttl = data_utils.rand_int_id(start=60,
-                                           end=CONF.messaging.max_claim_ttl)
-        claim_grace = data_utils.\
-            rand_int_id(start=60, end=CONF.messaging.max_claim_grace)
-        claim_body = {"ttl": claim_ttl, "grace": claim_grace}
-        resp, body = self.client.post_claims(queue_name=self.queue_name,
-                                             rbody=claim_body)
-
-        return resp, body
-
-    @test.attr(type='smoke')
-    @test.idempotent_id('936cb1ca-b7af-44dd-a752-805e8c98156f')
-    def test_post_claim(self):
-        _, body = self._post_and_claim_messages(queue_name=self.queue_name)
-        claimed_message_uri = body[0]['href']
-
-        # Skipping this step till bug-1331517  is fixed
-        # Get posted claim
-        # self.client.query_claim(claimed_message_uri)
-
-        # Delete Claimed message
-        self.client.delete_messages(claimed_message_uri)
-
-    @decorators.skip_because(bug="1331517")
-    @test.attr(type='smoke')
-    @test.idempotent_id('84e491f4-68c6-451f-9846-b8f868eb27c5')
-    def test_query_claim(self):
-        # Post a Claim
-        resp, body = self._post_and_claim_messages(queue_name=self.queue_name)
-
-        # Query Claim
-        claim_uri = resp['location']
-        self.client.query_claim(claim_uri)
-
-        # Delete Claimed message
-        claimed_message_uri = body[0]['href']
-        self.delete_messages(claimed_message_uri)
-
-    @decorators.skip_because(bug="1328111")
-    @test.attr(type='smoke')
-    @test.idempotent_id('420ef0c5-9bd6-4b82-b06d-d9da330fefd3')
-    def test_update_claim(self):
-        # Post a Claim
-        resp, body = self._post_and_claim_messages(queue_name=self.queue_name)
-
-        claim_uri = resp['location']
-        claimed_message_uri = body[0]['href']
-
-        # Update Claim
-        claim_ttl = data_utils.rand_int_id(start=60,
-                                           end=CONF.messaging.max_claim_ttl)
-        update_rbody = {"ttl": claim_ttl}
-
-        self.client.update_claim(claim_uri, rbody=update_rbody)
-
-        # Verify claim ttl >= updated ttl value
-        _, body = self.client.query_claim(claim_uri)
-        updated_claim_ttl = body["ttl"]
-        self.assertTrue(updated_claim_ttl >= claim_ttl)
-
-        # Delete Claimed message
-        self.client.delete_messages(claimed_message_uri)
-
-    @test.attr(type='smoke')
-    @test.idempotent_id('fd4c7921-cb3f-4ed8-9ac8-e8f1e74c44aa')
-    def test_release_claim(self):
-        # Post a Claim
-        resp, body = self._post_and_claim_messages(queue_name=self.queue_name)
-        claim_uri = resp['location']
-
-        # Release Claim
-        self.client.delete_claim(claim_uri)
-
-        # Delete Claimed message
-        # This will implicitly verify that the claim is deleted.
-        message_uri = urlparse.urlparse(claim_uri).path
-        self.client.delete_messages(message_uri)
-
-    @classmethod
-    def resource_cleanup(cls):
-        cls.delete_queue(cls.queue_name)
-        super(TestClaims, cls).resource_cleanup()
diff --git a/tempest/api/messaging/test_messages.py b/tempest/api/messaging/test_messages.py
deleted file mode 100644
index 7f4182a..0000000
--- a/tempest/api/messaging/test_messages.py
+++ /dev/null
@@ -1,125 +0,0 @@
-# Copyright (c) 2014 Rackspace, Inc.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#    http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
-# implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-from tempest.api.messaging import base
-from tempest.common.utils import data_utils
-from tempest import config
-from tempest import test
-
-
-CONF = config.CONF
-
-
-class TestMessages(base.BaseMessagingTest):
-
-    @classmethod
-    def resource_setup(cls):
-        super(TestMessages, cls).resource_setup()
-        cls.queue_name = data_utils.rand_name('Queues-Test')
-        # Create Queue
-        cls.client.create_queue(cls.queue_name)
-
-    def _post_messages(self, repeat=CONF.messaging.max_messages_per_page):
-        message_body = self.generate_message_body(repeat=repeat)
-        resp, body = self.post_messages(queue_name=self.queue_name,
-                                        rbody=message_body)
-        return resp, body
-
-    @test.attr(type='smoke')
-    @test.idempotent_id('93867172-a414-4eb3-a639-96e943c516b4')
-    def test_post_messages(self):
-        # Post Messages
-        resp, _ = self._post_messages()
-
-        # Get on the posted messages
-        message_uri = resp['location']
-        resp, _ = self.client.show_multiple_messages(message_uri)
-        # The test has an assertion here, because the response cannot be 204
-        # in this case (the client allows 200 or 204 for this API call).
-        self.assertEqual('200', resp['status'])
-
-    @test.attr(type='smoke')
-    @test.idempotent_id('c967d59a-e919-41cb-994b-1c4300452c80')
-    def test_list_messages(self):
-        # Post Messages
-        self._post_messages()
-
-        # List Messages
-        resp, _ = self.list_messages(queue_name=self.queue_name)
-        # The test has an assertion here, because the response cannot be 204
-        # in this case (the client allows 200 or 204 for this API call).
-        self.assertEqual('200', resp['status'])
-
-    @test.attr(type='smoke')
-    @test.idempotent_id('2a68e3de-24df-47c3-9039-ec4156656bf8')
-    def test_get_message(self):
-        # Post Messages
-        _, body = self._post_messages()
-        message_uri = body['resources'][0]
-
-        # Get posted message
-        resp, _ = self.client.show_single_message(message_uri)
-        # The test has an assertion here, because the response cannot be 204
-        # in this case (the client allows 200 or 204 for this API call).
-        self.assertEqual('200', resp['status'])
-
-    @test.attr(type='smoke')
-    @test.idempotent_id('c4b0a30b-efda-4b87-a395-0c43140df74d')
-    def test_get_multiple_messages(self):
-        # Post Messages
-        resp, _ = self._post_messages()
-        message_uri = resp['location']
-
-        # Get posted messages
-        resp, _ = self.client.show_multiple_messages(message_uri)
-        # The test has an assertion here, because the response cannot be 204
-        # in this case (the client allows 200 or 204 for this API call).
-        self.assertEqual('200', resp['status'])
-
-    @test.attr(type='smoke')
-    @test.idempotent_id('fc0fca47-dd8b-4ecc-8522-d9c191f9bc9f')
-    def test_delete_single_message(self):
-        # Post Messages
-        _, body = self._post_messages()
-        message_uri = body['resources'][0]
-
-        # Delete posted message & verify the delete operration
-        self.client.delete_messages(message_uri)
-
-        message_uri = message_uri.replace('/messages/', '/messages?ids=')
-        resp, _ = self.client.show_multiple_messages(message_uri)
-        # The test has an assertion here, because the response has to be 204
-        # in this case (the client allows 200 or 204 for this API call).
-        self.assertEqual('204', resp['status'])
-
-    @test.attr(type='smoke')
-    @test.idempotent_id('00cca069-5c8f-4b42-bff1-c577da2a4546')
-    def test_delete_multiple_messages(self):
-        # Post Messages
-        resp, _ = self._post_messages()
-        message_uri = resp['location']
-
-        # Delete multiple messages
-        self.client.delete_messages(message_uri)
-        resp, _ = self.client.show_multiple_messages(message_uri)
-        # The test has an assertion here, because the response has to be 204
-        # in this case (the client allows 200 or 204 for this API call).
-        self.assertEqual('204', resp['status'])
-
-    @classmethod
-    def resource_cleanup(cls):
-        cls.delete_queue(cls.queue_name)
-        super(TestMessages, cls).resource_cleanup()
diff --git a/tempest/api/messaging/test_queues.py b/tempest/api/messaging/test_queues.py
deleted file mode 100644
index dcb5450..0000000
--- a/tempest/api/messaging/test_queues.py
+++ /dev/null
@@ -1,124 +0,0 @@
-# Copyright (c) 2014 Rackspace, Inc.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#    http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
-# implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-from six import moves
-from tempest_lib import exceptions as lib_exc
-from testtools import matchers
-
-from tempest.api.messaging import base
-from tempest.common.utils import data_utils
-from tempest import test
-
-
-class TestQueues(base.BaseMessagingTest):
-
-    @test.attr(type='smoke')
-    @test.idempotent_id('9f1c4c72-80c5-4dac-acf3-188cef42e36c')
-    def test_create_delete_queue(self):
-        # Create & Delete Queue
-        queue_name = data_utils.rand_name('test')
-        _, body = self.create_queue(queue_name)
-
-        self.addCleanup(self.client.delete_queue, queue_name)
-        # NOTE(gmann): create_queue returns response status code as 201
-        # so specifically checking the expected empty response body as
-        # this is not going to be checked in response_checker().
-        self.assertEqual('', body)
-
-        self.delete_queue(queue_name)
-        self.assertRaises(lib_exc.NotFound,
-                          self.client.show_queue,
-                          queue_name)
-
-
-class TestManageQueue(base.BaseMessagingTest):
-
-    @classmethod
-    def resource_setup(cls):
-        super(TestManageQueue, cls).resource_setup()
-        cls.queues = list()
-        for _ in moves.xrange(5):
-            queue_name = data_utils.rand_name('Queues-Test')
-            cls.queues.append(queue_name)
-            # Create Queue
-            cls.client.create_queue(queue_name)
-
-    @test.attr(type='smoke')
-    @test.idempotent_id('ccd3d69e-f156-4c5f-8a12-b4f24bee44e1')
-    def test_check_queue_existence(self):
-        # Checking Queue Existence
-        for queue_name in self.queues:
-            self.check_queue_exists(queue_name)
-
-    @test.attr(type='smoke')
-    @test.idempotent_id('e27634d8-9c8f-47d8-a677-655c47658d3e')
-    def test_check_queue_head(self):
-        # Checking Queue Existence by calling HEAD
-        for queue_name in self.queues:
-            self.check_queue_exists_head(queue_name)
-
-    @test.attr(type='smoke')
-    @test.idempotent_id('0a0feeca-7768-4303-806d-82bbbb796ad3')
-    def test_list_queues(self):
-        # Listing queues
-        _, body = self.list_queues()
-        self.assertEqual(len(body['queues']), len(self.queues))
-        for item in body['queues']:
-            self.assertIn(item['name'], self.queues)
-
-    @test.attr(type='smoke')
-    @test.idempotent_id('8fb66602-077d-49d6-ae1a-5f2091739178')
-    def test_get_queue_stats(self):
-        # Retrieve random queue
-        queue_name = self.queues[data_utils.rand_int_id(0,
-                                                        len(self.queues) - 1)]
-        # Get Queue Stats for a newly created Queue
-        _, body = self.get_queue_stats(queue_name)
-        msgs = body['messages']
-        for element in ('free', 'claimed', 'total'):
-            self.assertEqual(0, msgs[element])
-        for element in ('oldest', 'newest'):
-            self.assertNotIn(element, msgs)
-
-    @test.attr(type='smoke')
-    @test.idempotent_id('0e2441e6-6593-4bdb-a3c0-20e66eeb3fff')
-    def test_set_and_get_queue_metadata(self):
-        # Retrieve random queue
-        queue_name = self.queues[data_utils.rand_int_id(0,
-                                                        len(self.queues) - 1)]
-        # Check the Queue has no metadata
-        _, body = self.get_queue_metadata(queue_name)
-        self.assertThat(body, matchers.HasLength(0))
-        # Create metadata
-        key3 = [0, 1, 2, 3, 4]
-        key2 = data_utils.rand_name('value')
-        req_body1 = dict()
-        req_body1[data_utils.rand_name('key3')] = key3
-        req_body1[data_utils.rand_name('key2')] = key2
-        req_body = dict()
-        req_body[data_utils.rand_name('key1')] = req_body1
-        # Set Queue Metadata
-        self.set_queue_metadata(queue_name, req_body)
-
-        # Get Queue Metadata
-        _, body = self.get_queue_metadata(queue_name)
-        self.assertThat(body, matchers.Equals(req_body))
-
-    @classmethod
-    def resource_cleanup(cls):
-        for queue_name in cls.queues:
-            cls.client.delete_queue(queue_name)
-        super(TestManageQueue, cls).resource_cleanup()
diff --git a/tempest/api/network/admin/test_quotas.py b/tempest/api/network/admin/test_quotas.py
index 45d35cf..8b32a94 100644
--- a/tempest/api/network/admin/test_quotas.py
+++ b/tempest/api/network/admin/test_quotas.py
@@ -18,6 +18,7 @@
 from tempest.api.network import base
 from tempest.common.utils import data_utils
 from tempest import test
+from tempest_lib import exceptions as lib_exc
 
 
 class QuotasTest(base.BaseAdminNetworkTest):
@@ -59,7 +60,7 @@
         # Change quotas for tenant
         quota_set = self.admin_quotas_client.update_quotas(
             project_id, **new_quotas)['quota']
-        self.addCleanup(self.admin_quotas_client.reset_quotas, project_id)
+        self.addCleanup(self._cleanup_quotas, project_id)
         for key, value in six.iteritems(new_quotas):
             self.assertEqual(value, quota_set[key])
 
@@ -87,3 +88,12 @@
     def test_quotas(self):
         new_quotas = {'network': 0, 'security_group': 0}
         self._check_quotas(new_quotas)
+
+    def _cleanup_quotas(self, project_id):
+        # try to clean up the resources.If it fails, then
+        # assume that everything was already deleted, so
+        # it is OK to continue.
+        try:
+            self.admin_quotas_client.reset_quotas(project_id)
+        except lib_exc.NotFound:
+            pass
diff --git a/tempest/api/orchestration/stacks/test_limits.py b/tempest/api/orchestration/stacks/test_limits.py
index 2acf97b..315b3e0 100644
--- a/tempest/api/orchestration/stacks/test_limits.py
+++ b/tempest/api/orchestration/stacks/test_limits.py
@@ -33,7 +33,7 @@
   Foo: bar''' % fill
         ex = self.assertRaises(lib_exc.BadRequest, self.create_stack,
                                stack_name, template)
-        self.assertIn('Template exceeds maximum allowed size', str(ex))
+        self.assertIn('exceeds maximum allowed size', str(ex))
 
     @test.idempotent_id('d1b83e73-7cad-4a22-9839-036548c5387c')
     def test_exceed_max_resources_per_stack(self):
diff --git a/tempest/api_schema/response/messaging/__init__.py b/tempest/api_schema/response/messaging/__init__.py
deleted file mode 100644
index e69de29..0000000
--- a/tempest/api_schema/response/messaging/__init__.py
+++ /dev/null
diff --git a/tempest/api_schema/response/messaging/v1/__init__.py b/tempest/api_schema/response/messaging/v1/__init__.py
deleted file mode 100644
index e69de29..0000000
--- a/tempest/api_schema/response/messaging/v1/__init__.py
+++ /dev/null
diff --git a/tempest/api_schema/response/messaging/v1/queues.py b/tempest/api_schema/response/messaging/v1/queues.py
deleted file mode 100644
index 09e0147..0000000
--- a/tempest/api_schema/response/messaging/v1/queues.py
+++ /dev/null
@@ -1,239 +0,0 @@
-
-# Copyright (c) 2014 Rackspace, Inc.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#    http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
-# implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-list_link = {
-    'type': 'object',
-    'properties': {
-        'rel': {'type': 'string'},
-        'href': {
-            'type': 'string',
-            'format': 'uri'
-        }
-    },
-    'required': ['href', 'rel']
-}
-
-list_queue = {
-    'type': 'object',
-    'properties': {
-        'name': {'type': 'string'},
-        'href': {
-            'type': 'string',
-            'format': 'uri'
-        },
-        'metadata': {'type': 'object'}
-    },
-    'required': ['name', 'href']
-}
-
-list_queues = {
-    'status_code': [200, 204],
-    'response_body': {
-        'type': 'object',
-        'properties': {
-            'links': {
-                'type': 'array',
-                'items': list_link,
-                'maxItems': 1
-            },
-            'queues': {
-                'type': 'array',
-                'items': list_queue
-            }
-        },
-        'required': ['links', 'queues']
-    }
-}
-
-age = {
-    'type': 'number',
-    'minimum': 0
-}
-
-message_link = {
-    'type': 'object',
-    'properties': {
-        'href': {
-            'type': 'string',
-            'format': 'uri'
-        },
-        'age': age,
-        'created': {
-            'type': 'string',
-            'format': 'date-time'
-        }
-    },
-    'required': ['href', 'age', 'created']
-}
-
-messages = {
-    'type': 'object',
-    'properties': {
-        'free': {'type': 'number'},
-        'claimed': {'type': 'number'},
-        'total': {'type': 'number'},
-        'oldest': message_link,
-        'newest': message_link
-    },
-    'required': ['free', 'claimed', 'total']
-}
-
-queue_stats = {
-    'status_code': [200],
-    'response_body': {
-        'type': 'object',
-        'properties': {
-            'messages': messages
-        },
-        'required': ['messages']
-    }
-}
-
-resource_schema = {
-    'type': 'array',
-    'items': {
-        'type': 'string'
-    },
-    'minItems': 1
-}
-
-post_messages = {
-    'status_code': [201],
-    'response_body': {
-        'type': 'object',
-        'properties': {
-            'resources': resource_schema,
-            'partial': {'type': 'boolean'}
-        }
-    },
-    'required': ['resources', 'partial']
-}
-
-message_ttl = {
-    'type': 'number',
-    'minimum': 1
-}
-
-list_messages_links = {
-    'type': 'array',
-    'maxItems': 1,
-    'minItems': 1,
-    'items': {
-        'type': 'object',
-        'properties': {
-            'rel': {'type': 'string'},
-            'href': {'type': 'string'}
-        },
-        'required': ['rel', 'href']
-    }
-}
-
-list_messages_response = {
-    'type': 'array',
-    'minItems': 1,
-    'items': {
-        'type': 'object',
-        'properties': {
-            'href': {'type': 'string'},
-            'ttl': message_ttl,
-            'age': age,
-            'body': {'type': 'object'}
-        },
-        'required': ['href', 'ttl', 'age', 'body']
-    }
-}
-
-list_messages = {
-    'status_code': [200, 204],
-    'response_body': {
-        'type': 'object',
-        'properties': {
-            'links': list_messages_links,
-            'messages': list_messages_response
-        }
-    },
-    'required': ['links', 'messages']
-}
-
-single_message = {
-    'type': 'object',
-    'properties': {
-        'href': {'type': 'string'},
-        'ttl': message_ttl,
-        'age': age,
-        'body': {'type': 'object'}
-    },
-    'required': ['href', 'ttl', 'age', 'body']
-}
-
-get_single_message = {
-    'status_code': [200],
-    'response_body': single_message
-}
-
-get_multiple_messages = {
-    'status_code': [200],
-    'response_body': {
-        'type': 'array',
-        'items': single_message,
-        'minItems': 1
-    }
-}
-
-messages_claimed = {
-    'type': 'object',
-    'properties': {
-        'href': {
-            'type': 'string',
-            'format': 'uri'
-        },
-        'ttl': message_ttl,
-        'age': {'type': 'number'},
-        'body': {'type': 'object'}
-    },
-    'required': ['href', 'ttl', 'age', 'body']
-}
-
-claim_messages = {
-    'status_code': [201, 204],
-    'response_body': {
-        'type': 'array',
-        'items': messages_claimed,
-        'minItems': 1
-    }
-}
-
-claim_ttl = {
-    'type': 'number',
-    'minimum': 1
-}
-
-query_claim = {
-    'status_code': [200],
-    'response_body': {
-        'type': 'object',
-        'properties': {
-            'age': {'type': 'number'},
-            'ttl': claim_ttl,
-            'messages': {
-                'type': 'array',
-                'minItems': 1
-            }
-        },
-        'required': ['ttl', 'age', 'messages']
-    }
-}
diff --git a/tempest/clients.py b/tempest/clients.py
index bc1f5ad..2a8a4ae 100644
--- a/tempest/clients.py
+++ b/tempest/clients.py
@@ -70,6 +70,10 @@
     VolumesClient as ComputeVolumesClient
 from tempest_lib.services.identity.v2.token_client import TokenClient
 from tempest_lib.services.identity.v3.token_client import V3TokenClient
+from tempest_lib.services.network.agents_client import AgentsClient \
+    as NetworkAgentsClient
+from tempest_lib.services.network.extensions_client import \
+    ExtensionsClient as NetworkExtensionsClient
 from tempest_lib.services.network.floating_ips_client import FloatingIPsClient
 from tempest_lib.services.network.metering_label_rules_client import \
     MeteringLabelRulesClient
@@ -77,6 +81,11 @@
     MeteringLabelsClient
 from tempest_lib.services.network.networks_client import NetworksClient
 from tempest_lib.services.network.ports_client import PortsClient
+from tempest_lib.services.network.quotas_client import QuotasClient \
+    as NetworkQuotasClient
+from tempest_lib.services.network.security_groups_client import \
+    SecurityGroupsClient
+from tempest_lib.services.network.subnetpools_client import SubnetpoolsClient
 from tempest_lib.services.network.subnets_client import SubnetsClient
 
 from tempest.common import negative_rest_client
@@ -115,26 +124,17 @@
 from tempest.services.identity.v3.json.identity_client import IdentityV3Client
 from tempest.services.identity.v3.json.policies_client import \
     PoliciesClient as PoliciesV3Client
+from tempest.services.identity.v3.json.projects_client import ProjectsClient
 from tempest.services.identity.v3.json.regions_client import \
     RegionsClient as RegionsV3Client
 from tempest.services.identity.v3.json.services_client import \
     ServicesClient as IdentityServicesV3Client
+from tempest.services.identity.v3.json.users_clients import UsersV3Client
 from tempest.services.image.v1.json.images_client import ImagesClient
 from tempest.services.image.v2.json.images_client import ImagesClientV2
-from tempest.services.messaging.json.messaging_client import \
-    MessagingClient
-from tempest.services.network.json.agents_client import AgentsClient \
-    as NetworkAgentsClient
-from tempest.services.network.json.extensions_client import \
-    ExtensionsClient as NetworkExtensionsClient
 from tempest.services.network.json.network_client import NetworkClient
-from tempest.services.network.json.quotas_client import QuotasClient \
-    as NetworkQuotasClient
 from tempest.services.network.json.security_group_rules_client import \
     SecurityGroupRulesClient
-from tempest.services.network.json.security_groups_client import \
-    SecurityGroupsClient
-from tempest.services.network.json.subnetpools_client import SubnetpoolsClient
 from tempest.services.object_storage.account_client import AccountClient
 from tempest.services.object_storage.container_client import ContainerClient
 from tempest.services.object_storage.object_client import ObjectClient
@@ -342,11 +342,6 @@
             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,
-            CONF.identity.region,
-            **self.default_params_with_timeout_values)
         if CONF.service_available.ceilometer:
             self.telemetry_client = TelemetryClient(
                 self.auth_provider,
@@ -534,12 +529,14 @@
         params_v3['endpoint_type'] = CONF.identity.v3_endpoint_type
         self.identity_v3_client = IdentityV3Client(self.auth_provider,
                                                    **params_v3)
+        self.users_v3_client = UsersV3Client(self.auth_provider, **params_v3)
         self.endpoints_client = EndPointV3Client(self.auth_provider,
                                                  **params_v3)
         self.identity_services_client = IdentityServicesV3Client(
             self.auth_provider, **params_v3)
         self.policies_client = PoliciesV3Client(self.auth_provider,
                                                 **params_v3)
+        self.projects_client = ProjectsClient(self.auth_provider, **params_v3)
         self.regions_client = RegionsV3Client(self.auth_provider, **params_v3)
         self.credentials_client = CredentialsV3Client(self.auth_provider,
                                                       **params_v3)
diff --git a/tempest/cmd/cleanup.py b/tempest/cmd/cleanup.py
index 7b73a61..5a52043 100644
--- a/tempest/cmd/cleanup.py
+++ b/tempest/cmd/cleanup.py
@@ -77,7 +77,8 @@
     def take_action(self, parsed_args):
         try:
             self.init(parsed_args)
-            self._cleanup()
+            if not parsed_args.init_saved_state:
+                self._cleanup()
         except Exception:
             LOG.exception("Failure during cleanup")
             traceback.print_exc()
@@ -231,7 +232,6 @@
         return 'Cleanup after tempest run'
 
     def _add_admin(self, tenant_id):
-        id_cl = self.admin_mgr.identity_client
         rl_cl = self.admin_mgr.roles_client
         needs_role = True
         roles = rl_cl.list_user_roles(tenant_id, self.admin_id)['roles']
@@ -241,7 +241,7 @@
                 LOG.debug("User already had admin privilege for this tenant")
         if needs_role:
             LOG.debug("Adding admin privilege for : %s" % tenant_id)
-            id_cl.assign_user_role(tenant_id, self.admin_id,
+            rl_cl.assign_user_role(tenant_id, self.admin_id,
                                    self.admin_role_id)
             self.admin_role_added.append(tenant_id)
 
diff --git a/tempest/cmd/cleanup_service.py b/tempest/cmd/cleanup_service.py
index 33f19b1..5ec8008 100644
--- a/tempest/cmd/cleanup_service.py
+++ b/tempest/cmd/cleanup_service.py
@@ -78,7 +78,7 @@
 
     if IS_NEUTRON:
         CONF_PRIV_NETWORK = _get_network_id(CONF.compute.fixed_network_name,
-                                            CONF.identity.tenant_name)
+                                            CONF.auth.admin_tenant_name)
         CONF_NETWORKS = [CONF_PUB_NETWORK, CONF_PRIV_NETWORK]
 
 
diff --git a/tempest/cmd/verify_tempest_config.py b/tempest/cmd/verify_tempest_config.py
index 92aa19e..5e5e127 100644
--- a/tempest/cmd/verify_tempest_config.py
+++ b/tempest/cmd/verify_tempest_config.py
@@ -269,7 +269,6 @@
         'data_processing': 'sahara',
         'baremetal': 'ironic',
         'identity': 'keystone',
-        'messaging': 'zaqar',
         'database': 'trove'
     }
     # Get catalog list for endpoints to use for validation
diff --git a/tempest/common/commands.py b/tempest/common/commands.py
deleted file mode 100644
index 392c9d0..0000000
--- a/tempest/common/commands.py
+++ /dev/null
@@ -1,39 +0,0 @@
-# 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 shlex
-import subprocess
-
-from oslo_log import log as logging
-
-LOG = logging.getLogger(__name__)
-
-
-def copy_file_to_host(file_from, dest, host, username, pkey):
-    dest = "%s@%s:%s" % (username, host, dest)
-    cmd = "scp -v -o UserKnownHostsFile=/dev/null " \
-          "-o StrictHostKeyChecking=no " \
-          "-i %(pkey)s %(file1)s %(dest)s" % {'pkey': pkey,
-                                              'file1': file_from,
-                                              'dest': dest}
-    args = shlex.split(cmd.encode('utf-8'))
-    subprocess_args = {'stdout': subprocess.PIPE,
-                       'stderr': subprocess.STDOUT}
-    proc = subprocess.Popen(args, **subprocess_args)
-    stdout, stderr = proc.communicate()
-    if proc.returncode != 0:
-        LOG.error(("Command {0} returned with exit status {1},"
-                  "output {2}, error {3}").format(cmd, proc.returncode,
-                                                  stdout, stderr))
-    return stdout
diff --git a/tempest/common/cred_client.py b/tempest/common/cred_client.py
index 6df7eb2..5aa794c 100644
--- a/tempest/common/cred_client.py
+++ b/tempest/common/cred_client.py
@@ -31,15 +31,15 @@
      admin credentials used for generating credentials.
     """
 
-    def __init__(self, identity_client, projects_client=None,
-                 roles_client=None, users_client=None):
+    def __init__(self, identity_client, projects_client, users_client,
+                 roles_client=None):
         # The client implies version and credentials
         self.identity_client = identity_client
-        # this is temporary until the v3 project client is
-        # separated, then projects_client will become mandatory
-        self.projects_client = projects_client or identity_client
+        self.users_client = users_client
+        self.projects_client = projects_client
+        # this is temporary until the v3 clients are
+        # separated, then using *only* each client will become mandatory
         self.roles_client = roles_client or identity_client
-        self.users_client = users_client or identity_client
 
     def create_user(self, username, password, project, email):
         user = self.users_client.create_user(
@@ -48,6 +48,9 @@
             user = user['user']
         return user
 
+    def delete_user(self, user_id):
+        self.users_client.delete_user(user_id)
+
     @abc.abstractmethod
     def create_project(self, name, description):
         pass
@@ -70,8 +73,7 @@
             msg = 'No "%s" role found' % role_name
             raise lib_exc.NotFound(msg)
         try:
-            self.roles_client.assign_user_role(project['id'], user['id'],
-                                               role['id'])
+            self._assign_user_role(project, user, role)
         except lib_exc.Conflict:
             LOG.debug("Role %s already assigned on project %s for user %s" % (
                 role['id'], project['id'], user['id']))
@@ -87,9 +89,6 @@
         """
         pass
 
-    def delete_user(self, user_id):
-        self.users_client.delete_user(user_id)
-
     def _list_roles(self):
         roles = self.roles_client.list_roles()['roles']
         return roles
@@ -97,18 +96,21 @@
 
 class V2CredsClient(CredsClient):
 
-    def __init__(self, identity_client, projects_client, roles_client,
-                 users_client):
+    def __init__(self, identity_client, projects_client, users_client,
+                 roles_client):
         super(V2CredsClient, self).__init__(identity_client,
                                             projects_client,
-                                            roles_client,
-                                            users_client)
+                                            users_client,
+                                            roles_client)
 
     def create_project(self, name, description):
         tenant = self.projects_client.create_tenant(
             name=name, description=description)['tenant']
         return tenant
 
+    def delete_project(self, project_id):
+        self.projects_client.delete_tenant(project_id)
+
     def get_credentials(self, user, project, password):
         # User and project already include both ID and name here,
         # so there's no need to use the fill_in mode
@@ -120,14 +122,17 @@
             tenant_name=project['name'], tenant_id=project['id'],
             password=password)
 
-    def delete_project(self, project_id):
-        self.projects_client.delete_tenant(project_id)
+    def _assign_user_role(self, project, user, role):
+        self.roles_client.assign_user_role(project['id'], user['id'],
+                                           role['id'])
 
 
 class V3CredsClient(CredsClient):
 
-    def __init__(self, identity_client, domain_name):
-        super(V3CredsClient, self).__init__(identity_client)
+    def __init__(self, identity_client, projects_client, users_client,
+                 domain_name):
+        super(V3CredsClient, self).__init__(identity_client,
+                                            projects_client, users_client)
         try:
             # Domain names must be unique, in any case a list is returned,
             # selecting the first (and only) element
@@ -139,11 +144,14 @@
             raise lib_exc.InvalidCredentials(msg)
 
     def create_project(self, name, description):
-        project = self.identity_client.create_project(
+        project = self.projects_client.create_project(
             name=name, description=description,
             domain_id=self.creds_domain['id'])['project']
         return project
 
+    def delete_project(self, project_id):
+        self.projects_client.delete_project(project_id)
+
     def get_credentials(self, user, project, password):
         # User, project and domain already include both ID and name here,
         # so there's no need to use the fill_in mode.
@@ -157,21 +165,24 @@
             project_domain_id=self.creds_domain['id'],
             project_domain_name=self.creds_domain['name'])
 
-    def delete_project(self, project_id):
-        self.identity_client.delete_project(project_id)
-
     def _list_roles(self):
         roles = self.identity_client.list_roles()['roles']
         return roles
 
+    def _assign_user_role(self, project, user, role):
+        self.roles_client.assign_user_role_on_project(project['id'],
+                                                      user['id'],
+                                                      role['id'])
+
 
 def get_creds_client(identity_client,
-                     projects_client=None,
+                     projects_client,
+                     users_client,
                      roles_client=None,
-                     users_client=None,
                      project_domain_name=None):
     if isinstance(identity_client, v2_identity.IdentityClient):
-        return V2CredsClient(identity_client, projects_client, roles_client,
-                             users_client)
+        return V2CredsClient(identity_client, projects_client, users_client,
+                             roles_client)
     else:
-        return V3CredsClient(identity_client, project_domain_name)
+        return V3CredsClient(identity_client, projects_client, users_client,
+                             project_domain_name)
diff --git a/tempest/common/dynamic_creds.py b/tempest/common/dynamic_creds.py
index 8d3a24d..1810c57 100644
--- a/tempest/common/dynamic_creds.py
+++ b/tempest/common/dynamic_creds.py
@@ -57,9 +57,10 @@
         self._creds = {}
         self.ports = []
         self.default_admin_creds = admin_creds
-        (self.identity_admin_client, self.tenants_admin_client,
-         self.roles_admin_client,
+        (self.identity_admin_client,
+         self.tenants_admin_client,
          self.users_admin_client,
+         self.roles_admin_client,
          self.network_admin_client,
          self.networks_admin_client,
          self.subnets_admin_client,
@@ -75,8 +76,8 @@
         self.creds_client = cred_client.get_creds_client(
             self.identity_admin_client,
             self.tenants_admin_client,
-            self.roles_admin_client,
             self.users_admin_client,
+            self.roles_admin_client,
             self.creds_domain_name)
 
     def _get_admin_clients(self):
@@ -88,12 +89,13 @@
         """
         os = clients.Manager(self.default_admin_creds)
         if self.identity_version == 'v2':
-            return (os.identity_client, os.tenants_client, os.roles_client,
-                    os.users_client, os.network_client, os.networks_client,
+            return (os.identity_client, os.tenants_client, os.users_client,
+                    os.roles_client, os.network_client, os.networks_client,
                     os.subnets_client, os.ports_client,
                     os.security_groups_client)
         else:
-            return (os.identity_v3_client, None, None, None, os.network_client,
+            return (os.identity_v3_client, os.projects_client,
+                    os.users_v3_client, None, os.network_client,
                     os.networks_client, os.subnets_client, os.ports_client,
                     os.security_groups_client)
 
diff --git a/tempest/common/glance_http.py b/tempest/common/glance_http.py
index 800e977..baf796d 100644
--- a/tempest/common/glance_http.py
+++ b/tempest/common/glance_http.py
@@ -47,7 +47,6 @@
         self.endpoint_scheme = endpoint_parts.scheme
         self.endpoint_hostname = endpoint_parts.hostname
         self.endpoint_port = endpoint_parts.port
-        self.endpoint_path = endpoint_parts.path
 
         self.connection_class = self._get_connection_class(
             self.endpoint_scheme)
diff --git a/tempest/config.py b/tempest/config.py
index 14a6ad2..515f736 100644
--- a/tempest/config.py
+++ b/tempest/config.py
@@ -352,13 +352,6 @@
                 help="Does the test environment block migration support "
                 "cinder iSCSI volumes. Note, libvirt doesn't support this, "
                 "see https://bugs.launchpad.net/nova/+bug/1398999"),
-    # TODO(gilliard): Remove live_migrate_paused_instances at juno-eol.
-    cfg.BoolOpt('live_migrate_paused_instances',
-                default=False,
-                help="Does the test system allow live-migration of paused "
-                "instances? Note, this is more than just the ANDing of "
-                "paused and live_migrate, but all 3 should be set to True "
-                "to run those tests"),
     cfg.BoolOpt('vnc_console',
                 default=False,
                 help='Enable VNC console. This configuration value should '
@@ -394,12 +387,6 @@
     cfg.BoolOpt('personality',
                 default=True,
                 help='Does the test environment support server personality'),
-    # TODO(mriedem): Remove preserve_ports once juno-eol happens.
-    cfg.BoolOpt('preserve_ports',
-                default=False,
-                help='Does Nova preserve preexisting ports from Neutron '
-                     'when deleting an instance? This should be set to True '
-                     'if testing Kilo+ Nova.'),
     cfg.BoolOpt('attach_encrypted_volume',
                 default=True,
                 help='Does the test environment support attaching an '
@@ -574,41 +561,6 @@
                      " port admin state"),
 ]
 
-messaging_group = cfg.OptGroup(name='messaging',
-                               title='Messaging Service')
-
-MessagingGroup = [
-    cfg.StrOpt('catalog_type',
-               default='messaging',
-               help='Catalog type of the Messaging service.'),
-    cfg.IntOpt('max_queues_per_page',
-               default=20,
-               help='The maximum number of queue records per page when '
-                    'listing queues'),
-    cfg.IntOpt('max_queue_metadata',
-               default=65536,
-               help='The maximum metadata size for a queue'),
-    cfg.IntOpt('max_messages_per_page',
-               default=20,
-               help='The maximum number of queue message per page when '
-                    'listing (or) posting messages'),
-    cfg.IntOpt('max_message_size',
-               default=262144,
-               help='The maximum size of a message body'),
-    cfg.IntOpt('max_messages_per_claim',
-               default=20,
-               help='The maximum number of messages per claim'),
-    cfg.IntOpt('max_message_ttl',
-               default=1209600,
-               help='The maximum ttl for a message'),
-    cfg.IntOpt('max_claim_ttl',
-               default=43200,
-               help='The maximum ttl for a claim'),
-    cfg.IntOpt('max_claim_grace',
-               default=43200,
-               help='The maximum grace period for a claim'),
-]
-
 validation_group = cfg.OptGroup(name='validation',
                                 title='SSH Validation options')
 
@@ -1126,9 +1078,6 @@
     cfg.BoolOpt('trove',
                 default=False,
                 help="Whether or not Trove is expected to be available"),
-    cfg.BoolOpt('zaqar',
-                default=False,
-                help="Whether or not Zaqar is expected to be available"),
 ]
 
 debug_group = cfg.OptGroup(name="debug",
@@ -1255,7 +1204,6 @@
     (image_feature_group, ImageFeaturesGroup),
     (network_group, NetworkGroup),
     (network_feature_group, NetworkFeaturesGroup),
-    (messaging_group, MessagingGroup),
     (validation_group, ValidationGroup),
     (volume_group, VolumeGroup),
     (volume_feature_group, VolumeFeaturesGroup),
@@ -1331,7 +1279,6 @@
             'object-storage-feature-enabled']
         self.database = _CONF.database
         self.orchestration = _CONF.orchestration
-        self.messaging = _CONF.messaging
         self.telemetry = _CONF.telemetry
         self.telemetry_feature_enabled = _CONF['telemetry-feature-enabled']
         self.dashboard = _CONF.dashboard
@@ -1384,7 +1331,8 @@
             _CONF([], project='tempest')
 
         logging_cfg_path = "%s/logging.conf" % os.path.dirname(path)
-        if (not hasattr(_CONF, 'log_config_append') and
+        if ((not hasattr(_CONF, 'log_config_append') or
+            _CONF.log_config_append is None) and
             os.path.isfile(logging_cfg_path)):
             # if logging conf is in place we need to set log_config_append
             _CONF.log_config_append = logging_cfg_path
diff --git a/tempest/hacking/checks.py b/tempest/hacking/checks.py
index 88598de..cd4f50d 100644
--- a/tempest/hacking/checks.py
+++ b/tempest/hacking/checks.py
@@ -20,7 +20,7 @@
 
 PYTHON_CLIENTS = ['cinder', 'glance', 'keystone', 'nova', 'swift', 'neutron',
                   'trove', 'ironic', 'savanna', 'heat', 'ceilometer',
-                  'zaqar', 'sahara']
+                  'sahara']
 
 PYTHON_CLIENT_RE = re.compile('import (%s)client' % '|'.join(PYTHON_CLIENTS))
 TEST_DEFINITION = re.compile(r'^\s*def test.*')
diff --git a/tempest/hacking/ignored_list_T110.txt b/tempest/hacking/ignored_list_T110.txt
index f1f21d1..50a5477 100644
--- a/tempest/hacking/ignored_list_T110.txt
+++ b/tempest/hacking/ignored_list_T110.txt
@@ -1,4 +1,3 @@
-./tempest/services/messaging/json/messaging_client.py
 ./tempest/services/object_storage/object_client.py
 ./tempest/services/telemetry/json/alarming_client.py
 ./tempest/services/telemetry/json/telemetry_client.py
diff --git a/tempest/hacking/ignored_list_T111.txt b/tempest/hacking/ignored_list_T111.txt
index 20d58d2..8017e76 100644
--- a/tempest/hacking/ignored_list_T111.txt
+++ b/tempest/hacking/ignored_list_T111.txt
@@ -1,2 +1 @@
 ./tempest/services/baremetal/base.py
-./tempest/services/network/json/quotas_client.py
diff --git a/tempest/manager.py b/tempest/manager.py
index 9904aa6..6e86c78 100644
--- a/tempest/manager.py
+++ b/tempest/manager.py
@@ -50,8 +50,6 @@
             creds = self.credentials
         # Creates an auth provider for the credentials
         self.auth_provider = get_auth_provider(creds, pre_auth=True)
-        # FIXME(andreaf) unused
-        self.client_attr_names = []
 
 
 def get_auth_provider_class(credentials):
diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index 1962286..a996ffe 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -813,15 +813,18 @@
         return port
 
     def _get_server_port_id_and_ip4(self, server, ip_addr=None):
-        ports = self._list_ports(device_id=server['id'], status='ACTIVE',
-                                 fixed_ip=ip_addr)
+        ports = self._list_ports(device_id=server['id'], fixed_ip=ip_addr)
         # A port can have more then one IP address in some cases.
         # If the network is dual-stack (IPv4 + IPv6), this port is associated
         # with 2 subnets
         port_map = [(p["id"], fxip["ip_address"])
                     for p in ports
                     for fxip in p["fixed_ips"]
-                    if netaddr.valid_ipv4(fxip["ip_address"])]
+                    if netaddr.valid_ipv4(fxip["ip_address"])
+                    and p['status'] == 'ACTIVE']
+        inactive = [p for p in ports if p['status'] != 'ACTIVE']
+        if inactive:
+            LOG.warning("Instance has ports that are not ACTIVE: %s", inactive)
 
         self.assertNotEqual(0, len(port_map),
                             "No IPv4 addresses found in: %s" % ports)
diff --git a/tempest/scenario/test_baremetal_basic_ops.py b/tempest/scenario/test_baremetal_basic_ops.py
index 15d9b66..655d19d 100644
--- a/tempest/scenario/test_baremetal_basic_ops.py
+++ b/tempest/scenario/test_baremetal_basic_ops.py
@@ -15,7 +15,6 @@
 
 from oslo_log import log as logging
 
-from tempest.common import waiters
 from tempest import config
 from tempest.scenario import manager
 from tempest import test
@@ -37,32 +36,10 @@
         * Verifies SSH connectivity using created keypair via fixed IP
         * Associates a floating ip
         * Verifies SSH connectivity using created keypair via floating IP
-        * Verifies instance rebuild with ephemeral partition preservation
         * Deletes instance
         * Monitors the associated Ironic node for power and
           expected state transitions
     """
-    def rebuild_instance(self, preserve_ephemeral=False):
-        self.rebuild_server(server_id=self.instance['id'],
-                            preserve_ephemeral=preserve_ephemeral,
-                            wait=False)
-
-        node = self.get_node(instance_id=self.instance['id'])
-
-        # We should remain on the same node
-        self.assertEqual(self.node['uuid'], node['uuid'])
-        self.node = node
-
-        waiters.wait_for_server_status(
-            self.servers_client,
-            server_id=self.instance['id'],
-            status='REBUILD',
-            ready_wait=False)
-        waiters.wait_for_server_status(
-            self.servers_client,
-            server_id=self.instance['id'],
-            status='ACTIVE')
-
     def verify_partition(self, client, label, mount, gib_size):
         """Verify a labeled partition's mount point and size."""
         LOG.info("Looking for partition %s mounted on %s" % (label, mount))
diff --git a/tempest/scenario/test_network_basic_ops.py b/tempest/scenario/test_network_basic_ops.py
index 79a5099..4d03ed7 100644
--- a/tempest/scenario/test_network_basic_ops.py
+++ b/tempest/scenario/test_network_basic_ops.py
@@ -626,9 +626,6 @@
             "admin_state_up of instance port to True")
 
     @test.idempotent_id('759462e1-8535-46b0-ab3a-33aa45c55aaa')
-    @testtools.skipUnless(CONF.compute_feature_enabled.preserve_ports,
-                          'Preserving ports on instance delete may not be '
-                          'supported in the version of Nova being tested.')
     @test.services('compute', 'network')
     def test_preserve_preexisting_port(self):
         """Test preserve pre-existing port
@@ -741,6 +738,8 @@
             msg='After router rescheduling')
 
     @test.requires_ext(service='network', extension='port-security')
+    @testtools.skipUnless(CONF.compute_feature_enabled.interface_attach,
+                          'NIC hotplug not available')
     @test.idempotent_id('7c0bb1a2-d053-49a4-98f9-ca1a1d849f63')
     @test.services('compute', 'network')
     def test_port_security_macspoofing_port(self):
diff --git a/tempest/services/identity/v3/json/identity_client.py b/tempest/services/identity/v3/json/identity_client.py
index 15f0577..809d0b5 100644
--- a/tempest/services/identity/v3/json/identity_client.py
+++ b/tempest/services/identity/v3/json/identity_client.py
@@ -30,156 +30,6 @@
         body = json.loads(body)
         return service_client.ResponseBody(resp, body)
 
-    def create_user(self, user_name, password=None, project_id=None,
-                    email=None, domain_id='default', **kwargs):
-        """Creates a user."""
-        en = kwargs.get('enabled', True)
-        description = kwargs.get('description', None)
-        default_project_id = kwargs.get('default_project_id')
-        post_body = {
-            'project_id': project_id,
-            'default_project_id': default_project_id,
-            'description': description,
-            'domain_id': domain_id,
-            'email': email,
-            'enabled': en,
-            'name': user_name,
-            'password': password
-        }
-        post_body = json.dumps({'user': post_body})
-        resp, body = self.post('users', post_body)
-        self.expected_success(201, resp.status)
-        body = json.loads(body)
-        return service_client.ResponseBody(resp, body)
-
-    def update_user(self, user_id, name, **kwargs):
-        """Updates a user."""
-        body = self.show_user(user_id)['user']
-        email = kwargs.get('email', body['email'])
-        en = kwargs.get('enabled', body['enabled'])
-        project_id = kwargs.get('project_id', body['project_id'])
-        if 'default_project_id' in body.keys():
-            default_project_id = kwargs.get('default_project_id',
-                                            body['default_project_id'])
-        else:
-            default_project_id = kwargs.get('default_project_id')
-        description = kwargs.get('description', body['description'])
-        domain_id = kwargs.get('domain_id', body['domain_id'])
-        post_body = {
-            'name': name,
-            'email': email,
-            'enabled': en,
-            'project_id': project_id,
-            'default_project_id': default_project_id,
-            'id': user_id,
-            'domain_id': domain_id,
-            'description': description
-        }
-        post_body = json.dumps({'user': post_body})
-        resp, body = self.patch('users/%s' % user_id, post_body)
-        self.expected_success(200, resp.status)
-        body = json.loads(body)
-        return service_client.ResponseBody(resp, body)
-
-    def update_user_password(self, user_id, **kwargs):
-        """Update a user password
-
-        Available params: see http://developer.openstack.org/
-                              api-ref-identity-v3.html#changeUserPassword
-        """
-        update_user = json.dumps({'user': kwargs})
-        resp, _ = self.post('users/%s/password' % user_id, update_user)
-        self.expected_success(204, resp.status)
-        return service_client.ResponseBody(resp)
-
-    def list_user_projects(self, user_id):
-        """Lists the projects on which a user has roles assigned."""
-        resp, body = self.get('users/%s/projects' % user_id)
-        self.expected_success(200, resp.status)
-        body = json.loads(body)
-        return service_client.ResponseBody(resp, body)
-
-    def list_users(self, params=None):
-        """Get the list of users."""
-        url = 'users'
-        if params:
-            url += '?%s' % urllib.urlencode(params)
-        resp, body = self.get(url)
-        self.expected_success(200, resp.status)
-        body = json.loads(body)
-        return service_client.ResponseBody(resp, body)
-
-    def show_user(self, user_id):
-        """GET a user."""
-        resp, body = self.get("users/%s" % user_id)
-        self.expected_success(200, resp.status)
-        body = json.loads(body)
-        return service_client.ResponseBody(resp, body)
-
-    def delete_user(self, user_id):
-        """Deletes a User."""
-        resp, body = self.delete("users/%s" % user_id)
-        self.expected_success(204, resp.status)
-        return service_client.ResponseBody(resp, body)
-
-    def create_project(self, name, **kwargs):
-        """Creates a project."""
-        description = kwargs.get('description', None)
-        en = kwargs.get('enabled', True)
-        domain_id = kwargs.get('domain_id', 'default')
-        post_body = {
-            'description': description,
-            'domain_id': domain_id,
-            'enabled': en,
-            'name': name
-        }
-        post_body = json.dumps({'project': post_body})
-        resp, body = self.post('projects', post_body)
-        self.expected_success(201, resp.status)
-        body = json.loads(body)
-        return service_client.ResponseBody(resp, body)
-
-    def list_projects(self, params=None):
-        url = "projects"
-        if params:
-            url += '?%s' % urllib.urlencode(params)
-        resp, body = self.get(url)
-        self.expected_success(200, resp.status)
-        body = json.loads(body)
-        return service_client.ResponseBody(resp, body)
-
-    def update_project(self, project_id, **kwargs):
-        body = self.show_project(project_id)['project']
-        name = kwargs.get('name', body['name'])
-        desc = kwargs.get('description', body['description'])
-        en = kwargs.get('enabled', body['enabled'])
-        domain_id = kwargs.get('domain_id', body['domain_id'])
-        post_body = {
-            'id': project_id,
-            'name': name,
-            'description': desc,
-            'enabled': en,
-            'domain_id': domain_id,
-        }
-        post_body = json.dumps({'project': post_body})
-        resp, body = self.patch('projects/%s' % project_id, post_body)
-        self.expected_success(200, resp.status)
-        body = json.loads(body)
-        return service_client.ResponseBody(resp, body)
-
-    def show_project(self, project_id):
-        """GET a Project."""
-        resp, body = self.get("projects/%s" % project_id)
-        self.expected_success(200, resp.status)
-        body = json.loads(body)
-        return service_client.ResponseBody(resp, body)
-
-    def delete_project(self, project_id):
-        """Delete a project."""
-        resp, body = self.delete('projects/%s' % str(project_id))
-        self.expected_success(204, resp.status)
-        return service_client.ResponseBody(resp, body)
-
     def create_role(self, **kwargs):
         """Create a Role.
 
@@ -224,13 +74,6 @@
         self.expected_success(204, resp.status)
         return service_client.ResponseBody(resp, body)
 
-    def assign_user_role(self, project_id, user_id, role_id):
-        """Add roles to a user on a project."""
-        resp, body = self.put('projects/%s/users/%s/roles/%s' %
-                              (project_id, user_id, role_id), None)
-        self.expected_success(204, resp.status)
-        return service_client.ResponseBody(resp, body)
-
     def create_domain(self, name, **kwargs):
         """Creates a domain."""
         description = kwargs.get('description', None)
@@ -301,13 +144,6 @@
         self.expected_success(204, resp.status)
         return service_client.ResponseBody(resp, body)
 
-    def list_user_groups(self, user_id):
-        """Lists groups which a user belongs to."""
-        resp, body = self.get('users/%s/groups' % user_id)
-        self.expected_success(200, resp.status)
-        body = json.loads(body)
-        return service_client.ResponseBody(resp, body)
-
     def assign_user_role_on_project(self, project_id, user_id, role_id):
         """Add roles to a user on a project."""
         resp, body = self.put('projects/%s/users/%s/roles/%s' %
diff --git a/tempest/services/identity/v3/json/projects_client.py b/tempest/services/identity/v3/json/projects_client.py
new file mode 100644
index 0000000..2fa822f
--- /dev/null
+++ b/tempest/services/identity/v3/json/projects_client.py
@@ -0,0 +1,81 @@
+# 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 oslo_serialization import jsonutils as json
+from six.moves.urllib import parse as urllib
+
+from tempest.common import service_client
+
+
+class ProjectsClient(service_client.ServiceClient):
+    api_version = "v3"
+
+    def create_project(self, name, **kwargs):
+        """Creates a project."""
+        description = kwargs.get('description', None)
+        en = kwargs.get('enabled', True)
+        domain_id = kwargs.get('domain_id', 'default')
+        post_body = {
+            'description': description,
+            'domain_id': domain_id,
+            'enabled': en,
+            'name': name
+        }
+        post_body = json.dumps({'project': post_body})
+        resp, body = self.post('projects', post_body)
+        self.expected_success(201, resp.status)
+        body = json.loads(body)
+        return service_client.ResponseBody(resp, body)
+
+    def list_projects(self, params=None):
+        url = "projects"
+        if params:
+            url += '?%s' % urllib.urlencode(params)
+        resp, body = self.get(url)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return service_client.ResponseBody(resp, body)
+
+    def update_project(self, project_id, **kwargs):
+        body = self.show_project(project_id)['project']
+        name = kwargs.get('name', body['name'])
+        desc = kwargs.get('description', body['description'])
+        en = kwargs.get('enabled', body['enabled'])
+        domain_id = kwargs.get('domain_id', body['domain_id'])
+        post_body = {
+            'id': project_id,
+            'name': name,
+            'description': desc,
+            'enabled': en,
+            'domain_id': domain_id,
+        }
+        post_body = json.dumps({'project': post_body})
+        resp, body = self.patch('projects/%s' % project_id, post_body)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return service_client.ResponseBody(resp, body)
+
+    def show_project(self, project_id):
+        """GET a Project."""
+        resp, body = self.get("projects/%s" % project_id)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return service_client.ResponseBody(resp, body)
+
+    def delete_project(self, project_id):
+        """Delete a project."""
+        resp, body = self.delete('projects/%s' % str(project_id))
+        self.expected_success(204, resp.status)
+        return service_client.ResponseBody(resp, body)
diff --git a/tempest/services/identity/v3/json/users_clients.py b/tempest/services/identity/v3/json/users_clients.py
new file mode 100644
index 0000000..85c2e79
--- /dev/null
+++ b/tempest/services/identity/v3/json/users_clients.py
@@ -0,0 +1,121 @@
+# Copyright 2016 Red Hat, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from oslo_serialization import jsonutils as json
+from six.moves.urllib import parse as urllib
+
+from tempest.common import service_client
+
+
+class UsersV3Client(service_client.ServiceClient):
+    api_version = "v3"
+
+    def create_user(self, user_name, password=None, project_id=None,
+                    email=None, domain_id='default', **kwargs):
+        """Creates a user."""
+        en = kwargs.get('enabled', True)
+        description = kwargs.get('description', None)
+        default_project_id = kwargs.get('default_project_id')
+        post_body = {
+            'project_id': project_id,
+            'default_project_id': default_project_id,
+            'description': description,
+            'domain_id': domain_id,
+            'email': email,
+            'enabled': en,
+            'name': user_name,
+            'password': password
+        }
+        post_body = json.dumps({'user': post_body})
+        resp, body = self.post('users', post_body)
+        self.expected_success(201, resp.status)
+        body = json.loads(body)
+        return service_client.ResponseBody(resp, body)
+
+    def update_user(self, user_id, name, **kwargs):
+        """Updates a user."""
+        body = self.show_user(user_id)['user']
+        email = kwargs.get('email', body['email'])
+        en = kwargs.get('enabled', body['enabled'])
+        project_id = kwargs.get('project_id', body['project_id'])
+        if 'default_project_id' in body.keys():
+            default_project_id = kwargs.get('default_project_id',
+                                            body['default_project_id'])
+        else:
+            default_project_id = kwargs.get('default_project_id')
+        description = kwargs.get('description', body['description'])
+        domain_id = kwargs.get('domain_id', body['domain_id'])
+        post_body = {
+            'name': name,
+            'email': email,
+            'enabled': en,
+            'project_id': project_id,
+            'default_project_id': default_project_id,
+            'id': user_id,
+            'domain_id': domain_id,
+            'description': description
+        }
+        post_body = json.dumps({'user': post_body})
+        resp, body = self.patch('users/%s' % user_id, post_body)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return service_client.ResponseBody(resp, body)
+
+    def update_user_password(self, user_id, **kwargs):
+        """Update a user password
+
+        Available params: see http://developer.openstack.org/
+                              api-ref-identity-v3.html#changeUserPassword
+        """
+        update_user = json.dumps({'user': kwargs})
+        resp, _ = self.post('users/%s/password' % user_id, update_user)
+        self.expected_success(204, resp.status)
+        return service_client.ResponseBody(resp)
+
+    def list_user_projects(self, user_id):
+        """Lists the projects on which a user has roles assigned."""
+        resp, body = self.get('users/%s/projects' % user_id)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return service_client.ResponseBody(resp, body)
+
+    def list_users(self, params=None):
+        """Get the list of users."""
+        url = 'users'
+        if params:
+            url += '?%s' % urllib.urlencode(params)
+        resp, body = self.get(url)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return service_client.ResponseBody(resp, body)
+
+    def show_user(self, user_id):
+        """GET a user."""
+        resp, body = self.get("users/%s" % user_id)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return service_client.ResponseBody(resp, body)
+
+    def delete_user(self, user_id):
+        """Deletes a User."""
+        resp, body = self.delete("users/%s" % user_id)
+        self.expected_success(204, resp.status)
+        return service_client.ResponseBody(resp, body)
+
+    def list_user_groups(self, user_id):
+        """Lists groups which a user belongs to."""
+        resp, body = self.get('users/%s/groups' % user_id)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return service_client.ResponseBody(resp, body)
diff --git a/tempest/services/messaging/__init__.py b/tempest/services/messaging/__init__.py
deleted file mode 100644
index e69de29..0000000
--- a/tempest/services/messaging/__init__.py
+++ /dev/null
diff --git a/tempest/services/messaging/json/__init__.py b/tempest/services/messaging/json/__init__.py
deleted file mode 100644
index e69de29..0000000
--- a/tempest/services/messaging/json/__init__.py
+++ /dev/null
diff --git a/tempest/services/messaging/json/messaging_client.py b/tempest/services/messaging/json/messaging_client.py
deleted file mode 100644
index 5a43841..0000000
--- a/tempest/services/messaging/json/messaging_client.py
+++ /dev/null
@@ -1,176 +0,0 @@
-# Copyright (c) 2014 Rackspace, Inc.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#    http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
-# implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-import uuid
-
-from oslo_serialization import jsonutils as json
-from six.moves.urllib import parse as urllib
-
-from tempest.api_schema.response.messaging.v1 import queues as queues_schema
-from tempest.common import service_client
-
-
-class MessagingClient(service_client.ServiceClient):
-
-    def __init__(self, auth_provider, service, region,
-                 endpoint_type=None, build_interval=None, build_timeout=None,
-                 disable_ssl_certificate_validation=None, ca_certs=None,
-                 trace_requests=None):
-        dscv = disable_ssl_certificate_validation
-        super(MessagingClient, self).__init__(
-            auth_provider, service, region,
-            endpoint_type=endpoint_type,
-            build_interval=build_interval,
-            build_timeout=build_timeout,
-            disable_ssl_certificate_validation=dscv,
-            ca_certs=ca_certs,
-            trace_requests=trace_requests)
-
-        self.version = '1'
-        self.uri_prefix = 'v{0}'.format(self.version)
-
-        client_id = uuid.uuid4().hex
-        self.headers = {'Client-ID': client_id}
-
-    def list_queues(self):
-        uri = '{0}/queues'.format(self.uri_prefix)
-        resp, body = self.get(uri)
-
-        if resp['status'] != '204':
-            body = json.loads(body)
-            self.validate_response(queues_schema.list_queues, resp, body)
-        return resp, body
-
-    def create_queue(self, queue_name):
-        uri = '{0}/queues/{1}'.format(self.uri_prefix, queue_name)
-        resp, body = self.put(uri, body=None)
-        self.expected_success(201, resp.status)
-        return resp, body
-
-    def show_queue(self, queue_name):
-        uri = '{0}/queues/{1}'.format(self.uri_prefix, queue_name)
-        resp, body = self.get(uri)
-        self.expected_success(204, resp.status)
-        return resp, body
-
-    def head_queue(self, queue_name):
-        uri = '{0}/queues/{1}'.format(self.uri_prefix, queue_name)
-        resp, body = self.head(uri)
-        self.expected_success(204, resp.status)
-        return resp, body
-
-    def delete_queue(self, queue_name):
-        uri = '{0}/queues/{1}'.format(self.uri_prefix, queue_name)
-        resp, body = self.delete(uri)
-        self.expected_success(204, resp.status)
-        return resp, body
-
-    def show_queue_stats(self, queue_name):
-        uri = '{0}/queues/{1}/stats'.format(self.uri_prefix, queue_name)
-        resp, body = self.get(uri)
-        body = json.loads(body)
-        self.validate_response(queues_schema.queue_stats, resp, body)
-        return resp, body
-
-    def show_queue_metadata(self, queue_name):
-        uri = '{0}/queues/{1}/metadata'.format(self.uri_prefix, queue_name)
-        resp, body = self.get(uri)
-        self.expected_success(200, resp.status)
-        body = json.loads(body)
-        return resp, body
-
-    def set_queue_metadata(self, queue_name, rbody):
-        uri = '{0}/queues/{1}/metadata'.format(self.uri_prefix, queue_name)
-        resp, body = self.put(uri, body=json.dumps(rbody))
-        self.expected_success(204, resp.status)
-        return resp, body
-
-    def post_messages(self, queue_name, rbody):
-        uri = '{0}/queues/{1}/messages'.format(self.uri_prefix, queue_name)
-        resp, body = self.post(uri, body=json.dumps(rbody),
-                               extra_headers=True,
-                               headers=self.headers)
-
-        body = json.loads(body)
-        self.validate_response(queues_schema.post_messages, resp, body)
-        return resp, body
-
-    def list_messages(self, queue_name):
-        uri = '{0}/queues/{1}/messages?echo=True'.format(self.uri_prefix,
-                                                         queue_name)
-        resp, body = self.get(uri, extra_headers=True, headers=self.headers)
-
-        if resp['status'] != '204':
-            body = json.loads(body)
-            self.validate_response(queues_schema.list_messages, resp, body)
-
-        return resp, body
-
-    def show_single_message(self, message_uri):
-        resp, body = self.get(message_uri, extra_headers=True,
-                              headers=self.headers)
-        if resp['status'] != '204':
-            body = json.loads(body)
-            self.validate_response(queues_schema.get_single_message, resp,
-                                   body)
-        return resp, body
-
-    def show_multiple_messages(self, message_uri):
-        resp, body = self.get(message_uri, extra_headers=True,
-                              headers=self.headers)
-
-        if resp['status'] != '204':
-            body = json.loads(body)
-            self.validate_response(queues_schema.get_multiple_messages,
-                                   resp,
-                                   body)
-
-        return resp, body
-
-    def delete_messages(self, message_uri):
-        resp, body = self.delete(message_uri)
-        self.expected_success(204, resp.status)
-        return resp, body
-
-    def post_claims(self, queue_name, rbody, url_params=False):
-        uri = '{0}/queues/{1}/claims'.format(self.uri_prefix, queue_name)
-        if url_params:
-            uri += '?%s' % urllib.urlencode(url_params)
-
-        resp, body = self.post(uri, body=json.dumps(rbody),
-                               extra_headers=True,
-                               headers=self.headers)
-
-        body = json.loads(body)
-        self.validate_response(queues_schema.claim_messages, resp, body)
-        return resp, body
-
-    def query_claim(self, claim_uri):
-        resp, body = self.get(claim_uri)
-
-        if resp['status'] != '204':
-            body = json.loads(body)
-            self.validate_response(queues_schema.query_claim, resp, body)
-        return resp, body
-
-    def update_claim(self, claim_uri, rbody):
-        resp, body = self.patch(claim_uri, body=json.dumps(rbody))
-        self.expected_success(204, resp.status)
-        return resp, body
-
-    def delete_claim(self, claim_uri):
-        resp, body = self.delete(claim_uri)
-        self.expected_success(204, resp.status)
-        return resp, body
diff --git a/tempest/services/network/json/agents_client.py b/tempest/services/network/json/agents_client.py
deleted file mode 100644
index 8bec847..0000000
--- a/tempest/services/network/json/agents_client.py
+++ /dev/null
@@ -1,68 +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.
-
-from tempest.services.network.json import base
-
-
-class AgentsClient(base.BaseNetworkClient):
-
-    def update_agent(self, agent_id, **kwargs):
-        """Update agent."""
-        # TODO(piyush): Current api-site doesn't contain this API description.
-        # After fixing the api-site, we need to fix here also for putting the
-        # link to api-site.
-        # LP: https://bugs.launchpad.net/openstack-api-site/+bug/1526673
-        uri = '/agents/%s' % agent_id
-        return self.update_resource(uri, kwargs)
-
-    def show_agent(self, agent_id, **fields):
-        uri = '/agents/%s' % agent_id
-        return self.show_resource(uri, **fields)
-
-    def list_agents(self, **filters):
-        uri = '/agents'
-        return self.list_resources(uri, **filters)
-
-    def list_routers_on_l3_agent(self, agent_id):
-        uri = '/agents/%s/l3-routers' % agent_id
-        return self.list_resources(uri)
-
-    def create_router_on_l3_agent(self, agent_id, **kwargs):
-        # TODO(piyush): Current api-site doesn't contain this API description.
-        # After fixing the api-site, we need to fix here also for putting the
-        # link to api-site.
-        # LP: https://bugs.launchpad.net/openstack-api-site/+bug/1526670
-        uri = '/agents/%s/l3-routers' % agent_id
-        return self.create_resource(uri, kwargs)
-
-    def delete_router_from_l3_agent(self, agent_id, router_id):
-        uri = '/agents/%s/l3-routers/%s' % (agent_id, router_id)
-        return self.delete_resource(uri)
-
-    def list_networks_hosted_by_one_dhcp_agent(self, agent_id):
-        uri = '/agents/%s/dhcp-networks' % agent_id
-        return self.list_resources(uri)
-
-    def delete_network_from_dhcp_agent(self, agent_id, network_id):
-        uri = '/agents/%s/dhcp-networks/%s' % (agent_id,
-                                               network_id)
-        return self.delete_resource(uri)
-
-    def add_dhcp_agent_to_network(self, agent_id, **kwargs):
-        # TODO(piyush): Current api-site doesn't contain this API description.
-        # After fixing the api-site, we need to fix here also for putting the
-        # link to api-site.
-        # LP: https://bugs.launchpad.net/openstack-api-site/+bug/1526212
-        uri = '/agents/%s/dhcp-networks' % agent_id
-        return self.create_resource(uri, kwargs)
diff --git a/tempest/services/network/json/extensions_client.py b/tempest/services/network/json/extensions_client.py
deleted file mode 100644
index 64d3a4f..0000000
--- a/tempest/services/network/json/extensions_client.py
+++ /dev/null
@@ -1,24 +0,0 @@
-#    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 ExtensionsClient(base.BaseNetworkClient):
-
-    def show_extension(self, ext_alias, **fields):
-        uri = '/extensions/%s' % ext_alias
-        return self.show_resource(uri, **fields)
-
-    def list_extensions(self, **filters):
-        uri = '/extensions'
-        return self.list_resources(uri, **filters)
diff --git a/tempest/services/network/json/quotas_client.py b/tempest/services/network/json/quotas_client.py
deleted file mode 100644
index 9b65a54..0000000
--- a/tempest/services/network/json/quotas_client.py
+++ /dev/null
@@ -1,35 +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.
-
-from tempest.services.network.json import base
-
-
-class QuotasClient(base.BaseNetworkClient):
-
-    def update_quotas(self, tenant_id, **kwargs):
-        put_body = {'quota': kwargs}
-        uri = '/quotas/%s' % tenant_id
-        return self.update_resource(uri, put_body)
-
-    def reset_quotas(self, tenant_id):
-        uri = '/quotas/%s' % tenant_id
-        return self.delete_resource(uri)
-
-    def show_quotas(self, tenant_id, **fields):
-        uri = '/quotas/%s' % tenant_id
-        return self.show_resource(uri, **fields)
-
-    def list_quotas(self, **filters):
-        uri = '/quotas'
-        return self.list_resources(uri, **filters)
diff --git a/tempest/services/network/json/security_groups_client.py b/tempest/services/network/json/security_groups_client.py
deleted file mode 100644
index a60d2a6..0000000
--- a/tempest/services/network/json/security_groups_client.py
+++ /dev/null
@@ -1,38 +0,0 @@
-#    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 SecurityGroupsClient(base.BaseNetworkClient):
-
-    def create_security_group(self, **kwargs):
-        uri = '/security-groups'
-        post_data = {'security_group': kwargs}
-        return self.create_resource(uri, post_data)
-
-    def update_security_group(self, security_group_id, **kwargs):
-        uri = '/security-groups/%s' % security_group_id
-        post_data = {'security_group': kwargs}
-        return self.update_resource(uri, post_data)
-
-    def show_security_group(self, security_group_id, **fields):
-        uri = '/security-groups/%s' % security_group_id
-        return self.show_resource(uri, **fields)
-
-    def delete_security_group(self, security_group_id):
-        uri = '/security-groups/%s' % security_group_id
-        return self.delete_resource(uri)
-
-    def list_security_groups(self, **filters):
-        uri = '/security-groups'
-        return self.list_resources(uri, **filters)
diff --git a/tempest/services/network/json/subnetpools_client.py b/tempest/services/network/json/subnetpools_client.py
deleted file mode 100644
index f921bb0..0000000
--- a/tempest/services/network/json/subnetpools_client.py
+++ /dev/null
@@ -1,40 +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.
-
-from tempest.services.network.json import base
-
-
-class SubnetpoolsClient(base.BaseNetworkClient):
-
-    def list_subnetpools(self, **filters):
-        uri = '/subnetpools'
-        return self.list_resources(uri, **filters)
-
-    def create_subnetpool(self, **kwargs):
-        uri = '/subnetpools'
-        post_data = {'subnetpool': kwargs}
-        return self.create_resource(uri, post_data)
-
-    def show_subnetpool(self, subnetpool_id, **fields):
-        uri = '/subnetpools/%s' % subnetpool_id
-        return self.show_resource(uri, **fields)
-
-    def update_subnetpool(self, subnetpool_id, **kwargs):
-        uri = '/subnetpools/%s' % subnetpool_id
-        post_data = {'subnetpool': kwargs}
-        return self.update_resource(uri, post_data)
-
-    def delete_subnetpool(self, subnetpool_id):
-        uri = '/subnetpools/%s' % subnetpool_id
-        return self.delete_resource(uri)
diff --git a/tempest/stress/driver.py b/tempest/stress/driver.py
index 02cb901..3c69a8b 100644
--- a/tempest/stress/driver.py
+++ b/tempest/stress/driver.py
@@ -151,14 +151,14 @@
                     users_client = admin_manager.users_client
                 else:
                     identity_client = admin_manager.identity_v3_client
-                    projects_client = None
+                    projects_client = admin_manager.projects_client
                     roles_client = None
-                    users_client = None
+                    users_client = admin_manager.users_v3_client
                 domain = (identity_client.auth_provider.credentials.
                           get('project_domain_name', 'Default'))
                 credentials_client = cred_client.get_creds_client(
-                    identity_client, projects_client, roles_client,
-                    users_client, project_domain_name=domain)
+                    identity_client, projects_client, users_client,
+                    roles_client, project_domain_name=domain)
                 project = credentials_client.create_project(
                     name=tenant_name, description=tenant_name)
                 user = credentials_client.create_user(username, password,
diff --git a/tempest/test.py b/tempest/test.py
index 9c04ea1..ee3288c 100644
--- a/tempest/test.py
+++ b/tempest/test.py
@@ -234,6 +234,9 @@
     log_format = ('%(asctime)s %(process)d %(levelname)-8s '
                   '[%(name)s] %(message)s')
 
+    # Client manager class to use in this test case.
+    client_manager = clients.Manager
+
     @classmethod
     def setUpClass(cls):
         # It should never be overridden by descendants
@@ -437,14 +440,14 @@
         """
         if CONF.identity.auth_version == 'v2':
             client = self.os_admin.identity_client
+            users_client = self.os_admin.users_client
             project_client = self.os_admin.tenants_client
             roles_client = self.os_admin.roles_client
-            users_client = self.os_admin.users_client
         else:
             client = self.os_admin.identity_v3_client
-            project_client = None
+            project_client = self.os_adm.projects_client
+            users_client = self.os_admin.users_v3_client
             roles_client = None
-            users_client = None
 
         try:
             domain = client.auth_provider.credentials.project_domain_name
@@ -452,8 +455,8 @@
             domain = 'Default'
 
         return cred_client.get_creds_client(client, project_client,
-                                            roles_client,
                                             users_client,
+                                            roles_client,
                                             project_domain_name=domain)
 
     @classmethod
@@ -519,8 +522,8 @@
             else:
                 raise exceptions.InvalidCredentials(
                     "Invalid credentials type %s" % credential_type)
-        return clients.Manager(credentials=creds, service=cls._service,
-                               api_microversions=cls.services_microversion)
+        return cls.client_manager(credentials=creds, service=cls._service,
+                                  api_microversions=cls.services_microversion)
 
     @classmethod
     def clear_credentials(cls):
diff --git a/tempest/tests/common/test_dynamic_creds.py b/tempest/tests/common/test_dynamic_creds.py
index de2000d..7a21d96 100644
--- a/tempest/tests/common/test_dynamic_creds.py
+++ b/tempest/tests/common/test_dynamic_creds.py
@@ -406,7 +406,7 @@
 
         return_values = (fake_http.fake_httplib({}, status=204), {})
         remove_secgroup_mock = self.patch(
-            'tempest.services.network.json.security_groups_client.'
+            'tempest_lib.services.network.security_groups_client.'
             'SecurityGroupsClient.delete', return_value=return_values)
         creds.clear_creds()
         # Verify default security group delete
diff --git a/tempest/tests/common/test_service_clients.py b/tempest/tests/common/test_service_clients.py
index f248957..5a00a2b 100644
--- a/tempest/tests/common/test_service_clients.py
+++ b/tempest/tests/common/test_service_clients.py
@@ -31,7 +31,6 @@
 from tempest.services.identity.v3.json import services_client
 from tempest.services.image.v1.json import images_client
 from tempest.services.image.v2.json import images_client as images_v2_client
-from tempest.services.messaging.json import messaging_client
 from tempest.services.network.json import network_client
 from tempest.services.object_storage import account_client
 from tempest.services.object_storage import container_client
@@ -86,7 +85,6 @@
             data_processing_client.DataProcessingClient,
             db_flavor_client.DatabaseFlavorsClient,
             db_version_client.DatabaseVersionsClient,
-            messaging_client.MessagingClient,
             network_client.NetworkClient,
             account_client.AccountClient,
             container_client.ContainerClient,