diff --git a/releasenotes/notes/image-clients-as-library-86d17caa26ce3961.yaml b/releasenotes/notes/image-clients-as-library-86d17caa26ce3961.yaml
index faae7d0..90a5056 100644
--- a/releasenotes/notes/image-clients-as-library-86d17caa26ce3961.yaml
+++ b/releasenotes/notes/image-clients-as-library-86d17caa26ce3961.yaml
@@ -6,6 +6,7 @@
     so the other projects can use these modules as stable libraries
     without any maintenance changes.
 
+      * image_members_client(v1)
       * image_members_client(v2)
       * images_client(v2)
       * namespaces_client(v2)
diff --git a/tempest/api/identity/admin/v2/test_roles.py b/tempest/api/identity/admin/v2/test_roles.py
index 5847129..0924619 100644
--- a/tempest/api/identity/admin/v2/test_roles.py
+++ b/tempest/api/identity/admin/v2/test_roles.py
@@ -84,28 +84,30 @@
     def test_assign_user_role(self):
         """Assign a role to a user on a tenant."""
         (user, tenant, role) = self._get_role_params()
-        self.roles_client.assign_user_role(tenant['id'], user['id'],
-                                           role['id'])
-        roles = self.roles_client.list_user_roles(tenant['id'],
-                                                  user['id'])['roles']
+        self.roles_client.create_user_role_on_project(tenant['id'],
+                                                      user['id'],
+                                                      role['id'])
+        roles = self.roles_client.list_user_roles_on_project(
+            tenant['id'], user['id'])['roles']
         self.assert_role_in_role_list(role, roles)
 
     @test.idempotent_id('f0b9292c-d3ba-4082-aa6c-440489beef69')
     def test_remove_user_role(self):
         """Remove a role assigned to a user on a tenant."""
         (user, tenant, role) = self._get_role_params()
-        user_role = self.roles_client.assign_user_role(tenant['id'],
-                                                       user['id'],
-                                                       role['id'])['role']
-        self.roles_client.delete_user_role(tenant['id'], user['id'],
-                                           user_role['id'])
+        user_role = self.roles_client.create_user_role_on_project(
+            tenant['id'], user['id'], role['id'])['role']
+        self.roles_client.delete_role_from_user_on_project(tenant['id'],
+                                                           user['id'],
+                                                           user_role['id'])
 
     @test.idempotent_id('262e1e3e-ed71-4edd-a0e5-d64e83d66d05')
     def test_list_user_roles(self):
         """List roles assigned to a user on tenant."""
         (user, tenant, role) = self._get_role_params()
-        self.roles_client.assign_user_role(tenant['id'], user['id'],
-                                           role['id'])
-        roles = self.roles_client.list_user_roles(tenant['id'],
-                                                  user['id'])['roles']
+        self.roles_client.create_user_role_on_project(tenant['id'],
+                                                      user['id'],
+                                                      role['id'])
+        roles = self.roles_client.list_user_roles_on_project(
+            tenant['id'], user['id'])['roles']
         self.assert_role_in_role_list(role, roles)
diff --git a/tempest/api/identity/admin/v2/test_roles_negative.py b/tempest/api/identity/admin/v2/test_roles_negative.py
index fd56285..770bb14 100644
--- a/tempest/api/identity/admin/v2/test_roles_negative.py
+++ b/tempest/api/identity/admin/v2/test_roles_negative.py
@@ -123,9 +123,10 @@
         # Non-administrator user should not be authorized to
         # assign a role to user
         (user, tenant, role) = self._get_role_params()
-        self.assertRaises(lib_exc.Forbidden,
-                          self.non_admin_roles_client.assign_user_role,
-                          tenant['id'], user['id'], role['id'])
+        self.assertRaises(
+            lib_exc.Forbidden,
+            self.non_admin_roles_client.create_user_role_on_project,
+            tenant['id'], user['id'], role['id'])
 
     @test.attr(type=['negative'])
     @test.idempotent_id('f0d2683c-5603-4aee-95d7-21420e87cfd8')
@@ -134,9 +135,10 @@
         (user, tenant, role) = self._get_role_params()
         token = self.client.auth_provider.get_token()
         self.client.delete_token(token)
-        self.assertRaises(lib_exc.Unauthorized,
-                          self.roles_client.assign_user_role, tenant['id'],
-                          user['id'], role['id'])
+        self.assertRaises(
+            lib_exc.Unauthorized,
+            self.roles_client.create_user_role_on_project, tenant['id'],
+            user['id'], role['id'])
         self.client.auth_provider.clear_auth()
 
     @test.attr(type=['negative'])
@@ -145,7 +147,8 @@
         # Attempt to assign a non existent role to user should fail
         (user, tenant, role) = self._get_role_params()
         non_existent_role = data_utils.rand_uuid_hex()
-        self.assertRaises(lib_exc.NotFound, self.roles_client.assign_user_role,
+        self.assertRaises(lib_exc.NotFound,
+                          self.roles_client.create_user_role_on_project,
                           tenant['id'], user['id'], non_existent_role)
 
     @test.attr(type=['negative'])
@@ -154,7 +157,8 @@
         # Attempt to assign a role on a non existent tenant should fail
         (user, tenant, role) = self._get_role_params()
         non_existent_tenant = data_utils.rand_uuid_hex()
-        self.assertRaises(lib_exc.NotFound, self.roles_client.assign_user_role,
+        self.assertRaises(lib_exc.NotFound,
+                          self.roles_client.create_user_role_on_project,
                           non_existent_tenant, user['id'], role['id'])
 
     @test.attr(type=['negative'])
@@ -162,9 +166,11 @@
     def test_assign_duplicate_user_role(self):
         # Duplicate user role should not get assigned
         (user, tenant, role) = self._get_role_params()
-        self.roles_client.assign_user_role(tenant['id'], user['id'],
-                                           role['id'])
-        self.assertRaises(lib_exc.Conflict, self.roles_client.assign_user_role,
+        self.roles_client.create_user_role_on_project(tenant['id'],
+                                                      user['id'],
+                                                      role['id'])
+        self.assertRaises(lib_exc.Conflict,
+                          self.roles_client.create_user_role_on_project,
                           tenant['id'], user['id'], role['id'])
 
     @test.attr(type=['negative'])
@@ -173,26 +179,27 @@
         # Non-administrator user should not be authorized to
         # remove a user's role
         (user, tenant, role) = self._get_role_params()
-        self.roles_client.assign_user_role(tenant['id'],
-                                           user['id'],
-                                           role['id'])
-        self.assertRaises(lib_exc.Forbidden,
-                          self.non_admin_roles_client.delete_user_role,
-                          tenant['id'], user['id'], role['id'])
+        self.roles_client.create_user_role_on_project(tenant['id'],
+                                                      user['id'],
+                                                      role['id'])
+        self.assertRaises(
+            lib_exc.Forbidden,
+            self.non_admin_roles_client.delete_role_from_user_on_project,
+            tenant['id'], user['id'], role['id'])
 
     @test.attr(type=['negative'])
     @test.idempotent_id('cac81cf4-c1d2-47dc-90d3-f2b7eb572286')
     def test_remove_user_role_request_without_token(self):
         # Request to remove a user's role without a valid token
         (user, tenant, role) = self._get_role_params()
-        self.roles_client.assign_user_role(tenant['id'],
-                                           user['id'],
-                                           role['id'])
+        self.roles_client.create_user_role_on_project(tenant['id'],
+                                                      user['id'],
+                                                      role['id'])
         token = self.client.auth_provider.get_token()
         self.client.delete_token(token)
         self.assertRaises(lib_exc.Unauthorized,
-                          self.roles_client.delete_user_role, tenant['id'],
-                          user['id'], role['id'])
+                          self.roles_client.delete_role_from_user_on_project,
+                          tenant['id'], user['id'], role['id'])
         self.client.auth_provider.clear_auth()
 
     @test.attr(type=['negative'])
@@ -200,11 +207,12 @@
     def test_remove_user_role_non_existent_role(self):
         # Attempt to delete a non existent role from a user should fail
         (user, tenant, role) = self._get_role_params()
-        self.roles_client.assign_user_role(tenant['id'],
-                                           user['id'],
-                                           role['id'])
+        self.roles_client.create_user_role_on_project(tenant['id'],
+                                                      user['id'],
+                                                      role['id'])
         non_existent_role = data_utils.rand_uuid_hex()
-        self.assertRaises(lib_exc.NotFound, self.roles_client.delete_user_role,
+        self.assertRaises(lib_exc.NotFound,
+                          self.roles_client.delete_role_from_user_on_project,
                           tenant['id'], user['id'], non_existent_role)
 
     @test.attr(type=['negative'])
@@ -212,11 +220,12 @@
     def test_remove_user_role_non_existent_tenant(self):
         # Attempt to remove a role from a non existent tenant should fail
         (user, tenant, role) = self._get_role_params()
-        self.roles_client.assign_user_role(tenant['id'],
-                                           user['id'],
-                                           role['id'])
+        self.roles_client.create_user_role_on_project(tenant['id'],
+                                                      user['id'],
+                                                      role['id'])
         non_existent_tenant = data_utils.rand_uuid_hex()
-        self.assertRaises(lib_exc.NotFound, self.roles_client.delete_user_role,
+        self.assertRaises(lib_exc.NotFound,
+                          self.roles_client.delete_role_from_user_on_project,
                           non_existent_tenant, user['id'], role['id'])
 
     @test.attr(type=['negative'])
@@ -225,11 +234,13 @@
         # Non-administrator user should not be authorized to list
         # a user's roles
         (user, tenant, role) = self._get_role_params()
-        self.roles_client.assign_user_role(tenant['id'], user['id'],
-                                           role['id'])
-        self.assertRaises(lib_exc.Forbidden,
-                          self.non_admin_roles_client.list_user_roles,
-                          tenant['id'], user['id'])
+        self.roles_client.create_user_role_on_project(tenant['id'],
+                                                      user['id'],
+                                                      role['id'])
+        self.assertRaises(
+            lib_exc.Forbidden,
+            self.non_admin_roles_client.list_user_roles_on_project,
+            tenant['id'], user['id'])
 
     @test.attr(type=['negative'])
     @test.idempotent_id('682adfb2-fd5f-4b0a-a9ca-322e9bebb907')
@@ -240,7 +251,8 @@
         self.client.delete_token(token)
         try:
             self.assertRaises(lib_exc.Unauthorized,
-                              self.roles_client.list_user_roles, tenant['id'],
+                              self.roles_client.list_user_roles_on_project,
+                              tenant['id'],
                               user['id'])
         finally:
             self.client.auth_provider.clear_auth()
diff --git a/tempest/api/identity/admin/v2/test_tenant_negative.py b/tempest/api/identity/admin/v2/test_tenant_negative.py
index 5169dae..d1e0217 100644
--- a/tempest/api/identity/admin/v2/test_tenant_negative.py
+++ b/tempest/api/identity/admin/v2/test_tenant_negative.py
@@ -43,7 +43,7 @@
     def test_tenant_delete_by_unauthorized_user(self):
         # Non-administrator user should not be able to delete a tenant
         tenant_name = data_utils.rand_name(name='tenant')
-        tenant = self.tenants_client.create_tenant(tenant_name)['tenant']
+        tenant = self.tenants_client.create_tenant(name=tenant_name)['tenant']
         self.data.tenants.append(tenant)
         self.assertRaises(lib_exc.Forbidden,
                           self.non_admin_tenants_client.delete_tenant,
@@ -54,7 +54,7 @@
     def test_tenant_delete_request_without_token(self):
         # Request to delete a tenant without a valid token should fail
         tenant_name = data_utils.rand_name(name='tenant')
-        tenant = self.tenants_client.create_tenant(tenant_name)['tenant']
+        tenant = self.tenants_client.create_tenant(name=tenant_name)['tenant']
         self.data.tenants.append(tenant)
         token = self.client.auth_provider.get_token()
         self.client.delete_token(token)
@@ -75,7 +75,7 @@
     def test_tenant_create_duplicate(self):
         # Tenant names should be unique
         tenant_name = data_utils.rand_name(name='tenant')
-        body = self.tenants_client.create_tenant(tenant_name)['tenant']
+        body = self.tenants_client.create_tenant(name=tenant_name)['tenant']
         tenant = body
         self.data.tenants.append(tenant)
         tenant1_id = body.get('id')
@@ -83,7 +83,7 @@
         self.addCleanup(self.tenants_client.delete_tenant, tenant1_id)
         self.addCleanup(self.data.tenants.remove, tenant)
         self.assertRaises(lib_exc.Conflict, self.tenants_client.create_tenant,
-                          tenant_name)
+                          name=tenant_name)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('d26b278a-6389-4702-8d6e-5980d80137e0')
@@ -92,7 +92,7 @@
         tenant_name = data_utils.rand_name(name='tenant')
         self.assertRaises(lib_exc.Forbidden,
                           self.non_admin_tenants_client.create_tenant,
-                          tenant_name)
+                          name=tenant_name)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('a3ee9d7e-6920-4dd5-9321-d4b2b7f0a638')
@@ -103,7 +103,7 @@
         self.client.delete_token(token)
         self.assertRaises(lib_exc.Unauthorized,
                           self.tenants_client.create_tenant,
-                          tenant_name)
+                          name=tenant_name)
         self.client.auth_provider.clear_auth()
 
     @test.attr(type=['negative'])
@@ -121,7 +121,7 @@
         tenant_name = 'a' * 65
         self.assertRaises(lib_exc.BadRequest,
                           self.tenants_client.create_tenant,
-                          tenant_name)
+                          name=tenant_name)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('bd20dc2a-9557-4db7-b755-f48d952ad706')
@@ -135,7 +135,7 @@
     def test_tenant_update_by_unauthorized_user(self):
         # Non-administrator user should not be able to update a tenant
         tenant_name = data_utils.rand_name(name='tenant')
-        tenant = self.tenants_client.create_tenant(tenant_name)['tenant']
+        tenant = self.tenants_client.create_tenant(name=tenant_name)['tenant']
         self.data.tenants.append(tenant)
         self.assertRaises(lib_exc.Forbidden,
                           self.non_admin_tenants_client.update_tenant,
@@ -146,7 +146,7 @@
     def test_tenant_update_request_without_token(self):
         # Request to update a tenant without a valid token should fail
         tenant_name = data_utils.rand_name(name='tenant')
-        tenant = self.tenants_client.create_tenant(tenant_name)['tenant']
+        tenant = self.tenants_client.create_tenant(name=tenant_name)['tenant']
         self.data.tenants.append(tenant)
         token = self.client.auth_provider.get_token()
         self.client.delete_token(token)
diff --git a/tempest/api/identity/admin/v2/test_tenants.py b/tempest/api/identity/admin/v2/test_tenants.py
index 8d0b9b1..1aa80df 100644
--- a/tempest/api/identity/admin/v2/test_tenants.py
+++ b/tempest/api/identity/admin/v2/test_tenants.py
@@ -28,7 +28,8 @@
         tenants = []
         for _ in moves.xrange(3):
             tenant_name = data_utils.rand_name(name='tenant-new')
-            tenant = self.tenants_client.create_tenant(tenant_name)['tenant']
+            tenant = self.tenants_client.create_tenant(
+                name=tenant_name)['tenant']
             self.data.tenants.append(tenant)
             tenants.append(tenant)
         tenant_ids = map(lambda x: x['id'], tenants)
@@ -49,7 +50,7 @@
         # Create tenant with a description
         tenant_name = data_utils.rand_name(name='tenant')
         tenant_desc = data_utils.rand_name(name='desc')
-        body = self.tenants_client.create_tenant(tenant_name,
+        body = self.tenants_client.create_tenant(name=tenant_name,
                                                  description=tenant_desc)
         tenant = body['tenant']
         self.data.tenants.append(tenant)
@@ -68,7 +69,8 @@
     def test_tenant_create_enabled(self):
         # Create a tenant that is enabled
         tenant_name = data_utils.rand_name(name='tenant')
-        body = self.tenants_client.create_tenant(tenant_name, enabled=True)
+        body = self.tenants_client.create_tenant(name=tenant_name,
+                                                 enabled=True)
         tenant = body['tenant']
         self.data.tenants.append(tenant)
         tenant_id = tenant['id']
@@ -84,7 +86,8 @@
     def test_tenant_create_not_enabled(self):
         # Create a tenant that is not enabled
         tenant_name = data_utils.rand_name(name='tenant')
-        body = self.tenants_client.create_tenant(tenant_name, enabled=False)
+        body = self.tenants_client.create_tenant(name=tenant_name,
+                                                 enabled=False)
         tenant = body['tenant']
         self.data.tenants.append(tenant)
         tenant_id = tenant['id']
@@ -102,7 +105,7 @@
     def test_tenant_update_name(self):
         # Update name attribute of a tenant
         t_name1 = data_utils.rand_name(name='tenant')
-        body = self.tenants_client.create_tenant(t_name1)['tenant']
+        body = self.tenants_client.create_tenant(name=t_name1)['tenant']
         tenant = body
         self.data.tenants.append(tenant)
 
@@ -129,7 +132,8 @@
         # Update description attribute of a tenant
         t_name = data_utils.rand_name(name='tenant')
         t_desc = data_utils.rand_name(name='desc')
-        body = self.tenants_client.create_tenant(t_name, description=t_desc)
+        body = self.tenants_client.create_tenant(name=t_name,
+                                                 description=t_desc)
         tenant = body['tenant']
         self.data.tenants.append(tenant)
 
@@ -157,7 +161,7 @@
         # Update the enabled attribute of a tenant
         t_name = data_utils.rand_name(name='tenant')
         t_en = False
-        body = self.tenants_client.create_tenant(t_name, enabled=t_en)
+        body = self.tenants_client.create_tenant(name=t_name, enabled=t_en)
         tenant = body['tenant']
         self.data.tenants.append(tenant)
 
diff --git a/tempest/api/identity/admin/v2/test_tokens.py b/tempest/api/identity/admin/v2/test_tokens.py
index 2297a9d..5cf337b 100644
--- a/tempest/api/identity/admin/v2/test_tokens.py
+++ b/tempest/api/identity/admin/v2/test_tokens.py
@@ -27,7 +27,7 @@
         user_password = data_utils.rand_password()
         # first:create a tenant
         tenant_name = data_utils.rand_name(name='tenant')
-        tenant = self.tenants_client.create_tenant(tenant_name)['tenant']
+        tenant = self.tenants_client.create_tenant(name=tenant_name)['tenant']
         self.data.tenants.append(tenant)
         # second:create a user
         user = self.users_client.create_user(name=user_name,
@@ -72,11 +72,13 @@
 
         # Create a couple tenants.
         tenant1_name = data_utils.rand_name(name='tenant')
-        tenant1 = self.tenants_client.create_tenant(tenant1_name)['tenant']
+        tenant1 = self.tenants_client.create_tenant(
+            name=tenant1_name)['tenant']
         self.data.tenants.append(tenant1)
 
         tenant2_name = data_utils.rand_name(name='tenant')
-        tenant2 = self.tenants_client.create_tenant(tenant2_name)['tenant']
+        tenant2 = self.tenants_client.create_tenant(
+            name=tenant2_name)['tenant']
         self.data.tenants.append(tenant2)
 
         # Create a role
@@ -85,11 +87,13 @@
         self.data.roles.append(role)
 
         # Grant the user the role on the tenants.
-        self.roles_client.assign_user_role(tenant1['id'], user['id'],
-                                           role['id'])
+        self.roles_client.create_user_role_on_project(tenant1['id'],
+                                                      user['id'],
+                                                      role['id'])
 
-        self.roles_client.assign_user_role(tenant2['id'], user['id'],
-                                           role['id'])
+        self.roles_client.create_user_role_on_project(tenant2['id'],
+                                                      user['id'],
+                                                      role['id'])
 
         # Get an unscoped token.
         body = self.token_client.auth(user_name, user_password)
diff --git a/tempest/api/identity/admin/v2/test_users.py b/tempest/api/identity/admin/v2/test_users.py
index 0f783b3..167cbc7 100644
--- a/tempest/api/identity/admin/v2/test_users.py
+++ b/tempest/api/identity/admin/v2/test_users.py
@@ -181,8 +181,8 @@
         user_ids = list()
         fetched_user_ids = list()
         user_ids.append(user['id'])
-        role = self.roles_client.assign_user_role(tenant['id'], user['id'],
-                                                  role['id'])['role']
+        role = self.roles_client.create_user_role_on_project(
+            tenant['id'], user['id'], role['id'])['role']
 
         alt_user2 = data_utils.rand_name('second_user')
         alt_password2 = data_utils.rand_password()
@@ -193,9 +193,8 @@
             email='user2@123')['user']
         user_ids.append(second_user['id'])
         self.data.users.append(second_user)
-        role = self.roles_client.assign_user_role(tenant['id'],
-                                                  second_user['id'],
-                                                  role['id'])['role']
+        role = self.roles_client.create_user_role_on_project(
+            tenant['id'], second_user['id'], role['id'])['role']
         # List of users with roles for the respective tenant ID
         body = (self.tenants_client.list_tenant_users(self.data.tenant['id'])
                 ['users'])
diff --git a/tempest/api/volume/admin/test_snapshots_actions.py b/tempest/api/volume/admin/test_snapshots_actions.py
index 26a5a45..a17cc69 100644
--- a/tempest/api/volume/admin/test_snapshots_actions.py
+++ b/tempest/api/volume/admin/test_snapshots_actions.py
@@ -61,8 +61,7 @@
         cls.client.wait_for_resource_deletion(cls.snapshot['id'])
 
         # Delete the test volume
-        cls.volumes_client.delete_volume(cls.volume['id'])
-        cls.volumes_client.wait_for_resource_deletion(cls.volume['id'])
+        cls.delete_volume(cls.volumes_client, cls.volume['id'])
 
         super(SnapshotsActionsV2Test, cls).resource_cleanup()
 
diff --git a/tempest/api/volume/admin/test_volume_quotas.py b/tempest/api/volume/admin/test_volume_quotas.py
index cd24d17..ba17d9c 100644
--- a/tempest/api/volume/admin/test_volume_quotas.py
+++ b/tempest/api/volume/admin/test_volume_quotas.py
@@ -33,11 +33,6 @@
         cls.demo_tenant_id = cls.os.credentials.tenant_id
         cls.alt_client = cls.os_alt.volumes_client
 
-    def _delete_volume(self, volume_id):
-        # Delete the specified volume using admin credentials
-        self.admin_volume_client.delete_volume(volume_id)
-        self.admin_volume_client.wait_for_resource_deletion(volume_id)
-
     @test.idempotent_id('59eada70-403c-4cef-a2a3-a8ce2f1b07a0')
     def test_list_quotas(self):
         quotas = (self.admin_quotas_client.show_quota_set(self.demo_tenant_id)
@@ -91,7 +86,8 @@
             self.demo_tenant_id)['quota_set']
 
         volume = self.create_volume()
-        self.addCleanup(self._delete_volume, volume['id'])
+        self.addCleanup(self.delete_volume,
+                        self.admin_volume_client, volume['id'])
 
         new_quota_usage = self.admin_quotas_client.show_quota_usage(
             self.demo_tenant_id)['quota_set']
@@ -128,7 +124,8 @@
     def test_quota_usage_after_volume_transfer(self):
         # Create a volume for transfer
         volume = self.create_volume()
-        self.addCleanup(self._delete_volume, volume['id'])
+        self.addCleanup(self.delete_volume,
+                        self.admin_volume_client, volume['id'])
 
         # List of tenants quota usage pre-transfer
         primary_quota = self.admin_quotas_client.show_quota_usage(
diff --git a/tempest/api/volume/admin/test_volume_types.py b/tempest/api/volume/admin/test_volume_types.py
index 587dbd2..9023037 100644
--- a/tempest/api/volume/admin/test_volume_types.py
+++ b/tempest/api/volume/admin/test_volume_types.py
@@ -24,10 +24,6 @@
 
 class VolumeTypesV2Test(base.BaseVolumeAdminTest):
 
-    def _delete_volume(self, volume_id):
-        self.volumes_client.delete_volume(volume_id)
-        self.volumes_client.wait_for_resource_deletion(volume_id)
-
     @test.idempotent_id('9d9b28e3-1b2e-4483-a2cc-24aa0ea1de54')
     def test_volume_type_list(self):
         # List volume types.
@@ -59,7 +55,7 @@
 
         # Create volume
         volume = self.volumes_client.create_volume(**params)['volume']
-        self.addCleanup(self._delete_volume, volume['id'])
+        self.addCleanup(self.delete_volume, self.volumes_client, volume['id'])
         self.assertEqual(volume_types[0]['name'], volume["volume_type"])
         self.assertEqual(volume[self.name_field], vol_name,
                          "The created volume name is not equal "
diff --git a/tempest/api/volume/admin/test_volumes_actions.py b/tempest/api/volume/admin/test_volumes_actions.py
index bdb313f..5388f7f 100644
--- a/tempest/api/volume/admin/test_volumes_actions.py
+++ b/tempest/api/volume/admin/test_volumes_actions.py
@@ -42,8 +42,7 @@
     @classmethod
     def resource_cleanup(cls):
         # Delete the test volume
-        cls.client.delete_volume(cls.volume['id'])
-        cls.client.wait_for_resource_deletion(cls.volume['id'])
+        cls.delete_volume(cls.client, cls.volume['id'])
 
         super(VolumesActionsV2Test, cls).resource_cleanup()
 
diff --git a/tempest/api/volume/base.py b/tempest/api/volume/base.py
index 9010c89..665036b 100644
--- a/tempest/api/volume/base.py
+++ b/tempest/api/volume/base.py
@@ -135,6 +135,12 @@
     # only in a single location in the source, and could be more general.
 
     @classmethod
+    def delete_volume(cls, client, volume_id):
+        """Delete volume by the given client"""
+        client.delete_volume(volume_id)
+        client.wait_for_resource_deletion(volume_id)
+
+    @classmethod
     def clear_volumes(cls):
         for volume in cls.volumes:
             try:
diff --git a/tempest/api/volume/test_volume_transfers.py b/tempest/api/volume/test_volume_transfers.py
index 866db3d..d138490 100644
--- a/tempest/api/volume/test_volume_transfers.py
+++ b/tempest/api/volume/test_volume_transfers.py
@@ -36,16 +36,11 @@
         cls.alt_tenant_id = cls.alt_client.tenant_id
         cls.adm_client = cls.os_adm.volumes_client
 
-    def _delete_volume(self, volume_id):
-        # Delete the specified volume using admin creds
-        self.adm_client.delete_volume(volume_id)
-        self.adm_client.wait_for_resource_deletion(volume_id)
-
     @test.idempotent_id('4d75b645-a478-48b1-97c8-503f64242f1a')
     def test_create_get_list_accept_volume_transfer(self):
         # Create a volume first
         volume = self.create_volume()
-        self.addCleanup(self._delete_volume, volume['id'])
+        self.addCleanup(self.delete_volume, self.adm_client, volume['id'])
 
         # Create a volume transfer
         transfer = self.client.create_volume_transfer(
@@ -74,7 +69,7 @@
     def test_create_list_delete_volume_transfer(self):
         # Create a volume first
         volume = self.create_volume()
-        self.addCleanup(self._delete_volume, volume['id'])
+        self.addCleanup(self.delete_volume, self.adm_client, volume['id'])
 
         # Create a volume transfer
         body = self.client.create_volume_transfer(
diff --git a/tempest/api/volume/test_volumes_get.py b/tempest/api/volume/test_volumes_get.py
index 5d83bb0..e5fcdfe 100644
--- a/tempest/api/volume/test_volumes_get.py
+++ b/tempest/api/volume/test_volumes_get.py
@@ -39,10 +39,6 @@
         cls.name_field = cls.special_fields['name_field']
         cls.descrip_field = cls.special_fields['descrip_field']
 
-    def _delete_volume(self, volume_id):
-        self.client.delete_volume(volume_id)
-        self.client.wait_for_resource_deletion(volume_id)
-
     def _volume_create_get_update_delete(self, **kwargs):
         # Create a volume, Get it's details and Delete the volume
         volume = {}
@@ -53,7 +49,7 @@
         kwargs['metadata'] = metadata
         volume = self.client.create_volume(**kwargs)['volume']
         self.assertIn('id', volume)
-        self.addCleanup(self._delete_volume, volume['id'])
+        self.addCleanup(self.delete_volume, self.client, volume['id'])
         waiters.wait_for_volume_status(self.client, volume['id'], 'available')
         self.assertIn(self.name_field, volume)
         self.assertEqual(volume[self.name_field], v_name,
@@ -113,7 +109,7 @@
                   'availability_zone': volume['availability_zone']}
         new_volume = self.client.create_volume(**params)['volume']
         self.assertIn('id', new_volume)
-        self.addCleanup(self._delete_volume, new_volume['id'])
+        self.addCleanup(self.delete_volume, self.client, new_volume['id'])
         waiters.wait_for_volume_status(self.client,
                                        new_volume['id'], 'available')
 
diff --git a/tempest/api/volume/test_volumes_list.py b/tempest/api/volume/test_volumes_list.py
index 38a5a80..a93025d 100644
--- a/tempest/api/volume/test_volumes_list.py
+++ b/tempest/api/volume/test_volumes_list.py
@@ -72,8 +72,7 @@
     def resource_cleanup(cls):
         # Delete the created volumes
         for volid in cls.volume_id_list:
-            cls.client.delete_volume(volid)
-            cls.client.wait_for_resource_deletion(volid)
+            cls.delete_volume(cls.client, volid)
         super(VolumesV2ListTestJSON, cls).resource_cleanup()
 
     def _list_by_param_value_and_assert(self, params, with_detail=False):
diff --git a/tempest/api/volume/test_volumes_snapshots.py b/tempest/api/volume/test_volumes_snapshots.py
index 6707121..0f7c4f6 100644
--- a/tempest/api/volume/test_volumes_snapshots.py
+++ b/tempest/api/volume/test_volumes_snapshots.py
@@ -186,8 +186,7 @@
             snapshot_id=snapshot['id'])['volume']
         waiters.wait_for_volume_status(self.volumes_client,
                                        volume['id'], 'available')
-        self.volumes_client.delete_volume(volume['id'])
-        self.volumes_client.wait_for_resource_deletion(volume['id'])
+        self.delete_volume(self.volumes_client, volume['id'])
         self.cleanup_snapshot(snapshot)
 
     @test.idempotent_id('db4d8e0a-7a2e-41cc-a712-961f6844e896')
diff --git a/tempest/api/volume/v2/test_volumes_list.py b/tempest/api/volume/v2/test_volumes_list.py
index 1fa54c2..5117e6c 100644
--- a/tempest/api/volume/v2/test_volumes_list.py
+++ b/tempest/api/volume/v2/test_volumes_list.py
@@ -55,8 +55,7 @@
     def resource_cleanup(cls):
         # Delete the created volumes
         for volid in cls.volume_id_list:
-            cls.client.delete_volume(volid)
-            cls.client.wait_for_resource_deletion(volid)
+            cls.delete_volume(cls.client, volid)
         super(VolumesV2ListTestJSON, cls).resource_cleanup()
 
     @test.idempotent_id('2a7064eb-b9c3-429b-b888-33928fc5edd3')
diff --git a/tempest/api/volume/v3/admin/test_user_messages.py b/tempest/api/volume/v3/admin/test_user_messages.py
index 19c37be..9d59d1b 100644
--- a/tempest/api/volume/v3/admin/test_user_messages.py
+++ b/tempest/api/volume/v3/admin/test_user_messages.py
@@ -36,10 +36,6 @@
     min_microversion = '3.3'
     max_microversion = 'latest'
 
-    def _delete_volume(self, volume_id):
-        self.volumes_client.delete_volume(volume_id)
-        self.volumes_client.wait_for_resource_deletion(volume_id)
-
     def _create_user_message(self):
         """Trigger a 'no valid host' situation to generate a message."""
         bad_protocol = data_utils.rand_name('storage_protocol')
@@ -54,7 +50,7 @@
                         bogus_type['id'])
         params = {'volume_type': bogus_type['id']}
         volume = self.volumes_client.create_volume(**params)['volume']
-        self.addCleanup(self._delete_volume, volume['id'])
+        self.addCleanup(self.delete_volume, self.volumes_client, volume['id'])
         try:
             waiters.wait_for_volume_status(self.volumes_client, volume['id'],
                                            'error')
diff --git a/tempest/clients.py b/tempest/clients.py
index 7a7d15d..8c1b279 100644
--- a/tempest/clients.py
+++ b/tempest/clients.py
@@ -20,62 +20,12 @@
 from tempest.common import negative_rest_client
 from tempest import config
 from tempest import exceptions
-from tempest.lib.services.compute.agents_client import AgentsClient
-from tempest.lib.services.compute.aggregates_client import AggregatesClient
-from tempest.lib.services.compute.availability_zone_client import \
-    AvailabilityZoneClient
-from tempest.lib.services.compute.baremetal_nodes_client import \
-    BaremetalNodesClient
-from tempest.lib.services.compute.certificates_client import \
-    CertificatesClient
-from tempest.lib.services.compute.extensions_client import \
-    ExtensionsClient
-from tempest.lib.services.compute.fixed_ips_client import FixedIPsClient
-from tempest.lib.services.compute.flavors_client import FlavorsClient
-from tempest.lib.services.compute.floating_ip_pools_client import \
-    FloatingIPPoolsClient
-from tempest.lib.services.compute.floating_ips_bulk_client import \
-    FloatingIPsBulkClient
-from tempest.lib.services.compute.floating_ips_client import \
-    FloatingIPsClient as ComputeFloatingIPsClient
-from tempest.lib.services.compute.hosts_client import HostsClient
-from tempest.lib.services.compute.hypervisor_client import \
-    HypervisorClient
-from tempest.lib.services.compute.images_client import ImagesClient \
-    as ComputeImagesClient
-from tempest.lib.services.compute.instance_usage_audit_log_client import \
-    InstanceUsagesAuditLogClient
-from tempest.lib.services.compute.interfaces_client import InterfacesClient
-from tempest.lib.services.compute.keypairs_client import KeyPairsClient
-from tempest.lib.services.compute.limits_client import LimitsClient
-from tempest.lib.services.compute.migrations_client import MigrationsClient
-from tempest.lib.services.compute.networks_client import NetworksClient \
-    as ComputeNetworksClient
-from tempest.lib.services.compute.quota_classes_client import \
-    QuotaClassesClient
-from tempest.lib.services.compute.quotas_client import QuotasClient
-from tempest.lib.services.compute.security_group_default_rules_client import \
-    SecurityGroupDefaultRulesClient
-from tempest.lib.services.compute.security_group_rules_client import \
-    SecurityGroupRulesClient as ComputeSecurityGroupRulesClient
-from tempest.lib.services.compute.security_groups_client import \
-    SecurityGroupsClient as ComputeSecurityGroupsClient
-from tempest.lib.services.compute.server_groups_client import \
-    ServerGroupsClient
-from tempest.lib.services.compute.servers_client import ServersClient
-from tempest.lib.services.compute.services_client import ServicesClient
-from tempest.lib.services.compute.snapshots_client import \
-    SnapshotsClient as ComputeSnapshotsClient
-from tempest.lib.services.compute.tenant_networks_client import \
-    TenantNetworksClient
-from tempest.lib.services.compute.tenant_usages_client import \
-    TenantUsagesClient
-from tempest.lib.services.compute.versions_client import VersionsClient
-from tempest.lib.services.compute.volumes_client import \
-    VolumesClient as ComputeVolumesClient
+from tempest.lib.services import compute
 from tempest.lib.services.identity.v2.endpoints_client import EndpointsClient
 from tempest.lib.services.identity.v2.token_client import TokenClient
 from tempest.lib.services.identity.v3.token_client import V3TokenClient
+from tempest.lib.services.image.v1.image_members_client import \
+    ImageMembersClient
 from tempest.lib.services.image.v2.image_members_client import \
     ImageMembersClient as ImageMembersClientV2
 from tempest.lib.services.image.v2.images_client import \
@@ -84,28 +34,7 @@
 from tempest.lib.services.image.v2.resource_types_client import \
     ResourceTypesClient
 from tempest.lib.services.image.v2.schemas_client import SchemasClient
-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
-from tempest.lib.services.network.metering_labels_client import \
-    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.routers_client import RoutersClient
-from tempest.lib.services.network.security_group_rules_client import \
-    SecurityGroupRulesClient
-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.lib.services.network.versions_client import \
-    NetworkVersionsClient
+from tempest.lib.services import network
 from tempest import manager
 from tempest.services.baremetal.v1.json.baremetal_client import \
     BaremetalClient
@@ -141,8 +70,6 @@
 from tempest.services.identity.v3.json.trusts_client import TrustsClient
 from tempest.services.identity.v3.json.users_clients import \
     UsersClient as UsersV3Client
-from tempest.services.image.v1.json.image_members_client import \
-    ImageMembersClient
 from tempest.services.image.v1.json.images_client import ImagesClient
 from tempest.services.object_storage.account_client import AccountClient
 from tempest.services.object_storage.container_client import ContainerClient
@@ -258,33 +185,33 @@
             'build_timeout': CONF.network.build_timeout
         }
         params.update(self.default_params)
-        self.network_agents_client = NetworkAgentsClient(
+        self.network_agents_client = network.AgentsClient(
             self.auth_provider, **params)
-        self.network_extensions_client = NetworkExtensionsClient(
+        self.network_extensions_client = network.ExtensionsClient(
             self.auth_provider, **params)
-        self.networks_client = NetworksClient(
+        self.networks_client = network.NetworksClient(
             self.auth_provider, **params)
-        self.subnetpools_client = SubnetpoolsClient(
+        self.subnetpools_client = network.SubnetpoolsClient(
             self.auth_provider, **params)
-        self.subnets_client = SubnetsClient(
+        self.subnets_client = network.SubnetsClient(
             self.auth_provider, **params)
-        self.ports_client = PortsClient(
+        self.ports_client = network.PortsClient(
             self.auth_provider, **params)
-        self.network_quotas_client = NetworkQuotasClient(
+        self.network_quotas_client = network.QuotasClient(
             self.auth_provider, **params)
-        self.floating_ips_client = FloatingIPsClient(
+        self.floating_ips_client = network.FloatingIPsClient(
             self.auth_provider, **params)
-        self.metering_labels_client = MeteringLabelsClient(
+        self.metering_labels_client = network.MeteringLabelsClient(
             self.auth_provider, **params)
-        self.metering_label_rules_client = MeteringLabelRulesClient(
+        self.metering_label_rules_client = network.MeteringLabelRulesClient(
             self.auth_provider, **params)
-        self.routers_client = RoutersClient(
+        self.routers_client = network.RoutersClient(
             self.auth_provider, **params)
-        self.security_group_rules_client = SecurityGroupRulesClient(
+        self.security_group_rules_client = network.SecurityGroupRulesClient(
             self.auth_provider, **params)
-        self.security_groups_client = SecurityGroupsClient(
+        self.security_groups_client = network.SecurityGroupsClient(
             self.auth_provider, **params)
-        self.network_versions_client = NetworkVersionsClient(
+        self.network_versions_client = network.NetworkVersionsClient(
             self.auth_provider, **params)
 
     def _set_image_clients(self):
@@ -323,61 +250,65 @@
         }
         params.update(self.default_params)
 
-        self.agents_client = AgentsClient(self.auth_provider, **params)
-        self.compute_networks_client = ComputeNetworksClient(
+        self.agents_client = compute.AgentsClient(self.auth_provider, **params)
+        self.compute_networks_client = compute.NetworksClient(
             self.auth_provider, **params)
-        self.migrations_client = MigrationsClient(self.auth_provider,
-                                                  **params)
+        self.migrations_client = compute.MigrationsClient(self.auth_provider,
+                                                          **params)
         self.security_group_default_rules_client = (
-            SecurityGroupDefaultRulesClient(self.auth_provider, **params))
-        self.certificates_client = CertificatesClient(self.auth_provider,
-                                                      **params)
-        self.servers_client = ServersClient(
+            compute.SecurityGroupDefaultRulesClient(self.auth_provider,
+                                                    **params))
+        self.certificates_client = compute.CertificatesClient(
+            self.auth_provider, **params)
+        self.servers_client = compute.ServersClient(
             self.auth_provider,
             enable_instance_password=CONF.compute_feature_enabled
                 .enable_instance_password,
             **params)
-        self.server_groups_client = ServerGroupsClient(
+        self.server_groups_client = compute.ServerGroupsClient(
             self.auth_provider, **params)
-        self.limits_client = LimitsClient(self.auth_provider, **params)
-        self.compute_images_client = ComputeImagesClient(self.auth_provider,
-                                                         **params)
-        self.keypairs_client = KeyPairsClient(self.auth_provider, **params)
-        self.quotas_client = QuotasClient(self.auth_provider, **params)
-        self.quota_classes_client = QuotaClassesClient(self.auth_provider,
+        self.limits_client = compute.LimitsClient(self.auth_provider, **params)
+        self.compute_images_client = compute.ImagesClient(self.auth_provider,
+                                                          **params)
+        self.keypairs_client = compute.KeyPairsClient(self.auth_provider,
+                                                      **params)
+        self.quotas_client = compute.QuotasClient(self.auth_provider, **params)
+        self.quota_classes_client = compute.QuotaClassesClient(
+            self.auth_provider, **params)
+        self.flavors_client = compute.FlavorsClient(self.auth_provider,
+                                                    **params)
+        self.extensions_client = compute.ExtensionsClient(self.auth_provider,
+                                                          **params)
+        self.floating_ip_pools_client = compute.FloatingIPPoolsClient(
+            self.auth_provider, **params)
+        self.floating_ips_bulk_client = compute.FloatingIPsBulkClient(
+            self.auth_provider, **params)
+        self.compute_floating_ips_client = compute.FloatingIPsClient(
+            self.auth_provider, **params)
+        self.compute_security_group_rules_client = (
+            compute.SecurityGroupRulesClient(self.auth_provider, **params))
+        self.compute_security_groups_client = compute.SecurityGroupsClient(
+            self.auth_provider, **params)
+        self.interfaces_client = compute.InterfacesClient(self.auth_provider,
+                                                          **params)
+        self.fixed_ips_client = compute.FixedIPsClient(self.auth_provider,
                                                        **params)
-        self.flavors_client = FlavorsClient(self.auth_provider, **params)
-        self.extensions_client = ExtensionsClient(self.auth_provider,
-                                                  **params)
-        self.floating_ip_pools_client = FloatingIPPoolsClient(
+        self.availability_zone_client = compute.AvailabilityZoneClient(
             self.auth_provider, **params)
-        self.floating_ips_bulk_client = FloatingIPsBulkClient(
+        self.aggregates_client = compute.AggregatesClient(self.auth_provider,
+                                                          **params)
+        self.services_client = compute.ServicesClient(self.auth_provider,
+                                                      **params)
+        self.tenant_usages_client = compute.TenantUsagesClient(
             self.auth_provider, **params)
-        self.compute_floating_ips_client = ComputeFloatingIPsClient(
+        self.hosts_client = compute.HostsClient(self.auth_provider, **params)
+        self.hypervisor_client = compute.HypervisorClient(self.auth_provider,
+                                                          **params)
+        self.instance_usages_audit_log_client = (
+            compute.InstanceUsagesAuditLogClient(self.auth_provider, **params))
+        self.tenant_networks_client = compute.TenantNetworksClient(
             self.auth_provider, **params)
-        self.compute_security_group_rules_client = \
-            ComputeSecurityGroupRulesClient(self.auth_provider, **params)
-        self.compute_security_groups_client = ComputeSecurityGroupsClient(
-            self.auth_provider, **params)
-        self.interfaces_client = InterfacesClient(self.auth_provider,
-                                                  **params)
-        self.fixed_ips_client = FixedIPsClient(self.auth_provider,
-                                               **params)
-        self.availability_zone_client = AvailabilityZoneClient(
-            self.auth_provider, **params)
-        self.aggregates_client = AggregatesClient(self.auth_provider,
-                                                  **params)
-        self.services_client = ServicesClient(self.auth_provider, **params)
-        self.tenant_usages_client = TenantUsagesClient(self.auth_provider,
-                                                       **params)
-        self.hosts_client = HostsClient(self.auth_provider, **params)
-        self.hypervisor_client = HypervisorClient(self.auth_provider,
-                                                  **params)
-        self.instance_usages_audit_log_client = \
-            InstanceUsagesAuditLogClient(self.auth_provider, **params)
-        self.tenant_networks_client = \
-            TenantNetworksClient(self.auth_provider, **params)
-        self.baremetal_nodes_client = BaremetalNodesClient(
+        self.baremetal_nodes_client = compute.BaremetalNodesClient(
             self.auth_provider, **params)
 
         # NOTE: The following client needs special timeout values because
@@ -387,11 +318,11 @@
             'build_interval': CONF.volume.build_interval,
             'build_timeout': CONF.volume.build_timeout
         })
-        self.volumes_extensions_client = ComputeVolumesClient(
+        self.volumes_extensions_client = compute.VolumesClient(
             self.auth_provider, **params_volume)
-        self.compute_versions_client = VersionsClient(self.auth_provider,
-                                                      **params_volume)
-        self.snapshots_extensions_client = ComputeSnapshotsClient(
+        self.compute_versions_client = compute.VersionsClient(
+            self.auth_provider, **params_volume)
+        self.snapshots_extensions_client = compute.SnapshotsClient(
             self.auth_provider, **params_volume)
 
     def _set_database_clients(self):
diff --git a/tempest/cmd/cleanup.py b/tempest/cmd/cleanup.py
index e8e691e..289650f 100644
--- a/tempest/cmd/cleanup.py
+++ b/tempest/cmd/cleanup.py
@@ -232,15 +232,16 @@
     def _add_admin(self, tenant_id):
         rl_cl = self.admin_mgr.roles_client
         needs_role = True
-        roles = rl_cl.list_user_roles(tenant_id, self.admin_id)['roles']
+        roles = rl_cl.list_user_roles_on_project(tenant_id,
+                                                 self.admin_id)['roles']
         for role in roles:
             if role['id'] == self.admin_role_id:
                 needs_role = False
                 LOG.debug("User already had admin privilege for this tenant")
         if needs_role:
             LOG.debug("Adding admin privilege for : %s" % tenant_id)
-            rl_cl.assign_user_role(tenant_id, self.admin_id,
-                                   self.admin_role_id)
+            rl_cl.create_user_role_on_project(tenant_id, self.admin_id,
+                                              self.admin_role_id)
             self.admin_role_added.append(tenant_id)
 
     def _remove_admin_role(self, tenant_id):
@@ -250,8 +251,9 @@
         id_cl = credentials.AdminManager().identity_client
         if (self._tenant_exists(tenant_id)):
             try:
-                id_cl.delete_user_role(tenant_id, self.admin_id,
-                                       self.admin_role_id)
+                id_cl.delete_role_from_user_on_project(tenant_id,
+                                                       self.admin_id,
+                                                       self.admin_role_id)
             except Exception as ex:
                 LOG.exception("Failed removing role from tenant which still"
                               "exists, exception: %s" % ex)
diff --git a/tempest/cmd/javelin.py b/tempest/cmd/javelin.py
index 7ce6225..08ad94f 100755
--- a/tempest/cmd/javelin.py
+++ b/tempest/cmd/javelin.py
@@ -319,7 +319,7 @@
     existing = [x['name'] for x in body]
     for tenant in tenants:
         if tenant not in existing:
-            admin.tenants.create_tenant(tenant)['tenant']
+            admin.tenants.create_tenant(name=tenant)['tenant']
         else:
             LOG.warning("Tenant '%s' already exists in this environment"
                         % tenant)
@@ -361,7 +361,7 @@
     role = next(r for r in roles if r['name'] == swift_role)
     LOG.debug(USERS[user])
     try:
-        admin.roles.assign_user_role(
+        admin.roles.create_user_role_on_project(
             USERS[user]['tenant_id'],
             USERS[user]['id'],
             role['id'])
diff --git a/tempest/common/cred_client.py b/tempest/common/cred_client.py
index 48d81ca..2ca9f40 100644
--- a/tempest/common/cred_client.py
+++ b/tempest/common/cred_client.py
@@ -129,8 +129,9 @@
             password=password)
 
     def _assign_user_role(self, project, user, role):
-        self.roles_client.assign_user_role(project['id'], user['id'],
-                                           role['id'])
+        self.roles_client.create_user_role_on_project(project['id'],
+                                                      user['id'],
+                                                      role['id'])
 
 
 class V3CredsClient(CredsClient):
diff --git a/tempest/lib/api_schema/response/compute/v2_1/instance_usage_audit_logs.py b/tempest/lib/api_schema/response/compute/v2_1/instance_usage_audit_logs.py
index c6c4deb..15224c5 100644
--- a/tempest/lib/api_schema/response/compute/v2_1/instance_usage_audit_logs.py
+++ b/tempest/lib/api_schema/response/compute/v2_1/instance_usage_audit_logs.py
@@ -19,7 +19,23 @@
             'type': 'array',
             'items': {'type': 'string'}
         },
-        'log': {'type': 'object'},
+        'log': {
+            'type': 'object',
+            'patternProperties': {
+                # NOTE: Here is a host name.
+                '^.+$': {
+                    'type': 'object',
+                    'properties': {
+                        'state': {'type': 'string'},
+                        'instances': {'type': 'integer'},
+                        'errors': {'type': 'integer'},
+                        'message': {'type': 'string'}
+                    },
+                    'additionalProperties': False,
+                    'required': ['state', 'instances', 'errors', 'message']
+                }
+            }
+        },
         'num_hosts': {'type': 'integer'},
         'num_hosts_done': {'type': 'integer'},
         'num_hosts_not_run': {'type': 'integer'},
diff --git a/tempest/lib/services/compute/__init__.py b/tempest/lib/services/compute/__init__.py
index e69de29..91e896a 100644
--- a/tempest/lib/services/compute/__init__.py
+++ b/tempest/lib/services/compute/__init__.py
@@ -0,0 +1,77 @@
+# Copyright (c) 2016 Hewlett-Packard Enterprise Development Company, L.P.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License. You may obtain a copy of
+# the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations under
+# the License.
+
+from tempest.lib.services.compute.agents_client import AgentsClient
+from tempest.lib.services.compute.aggregates_client import AggregatesClient
+from tempest.lib.services.compute.availability_zone_client import \
+    AvailabilityZoneClient
+from tempest.lib.services.compute.baremetal_nodes_client import \
+    BaremetalNodesClient
+from tempest.lib.services.compute.certificates_client import \
+    CertificatesClient
+from tempest.lib.services.compute.extensions_client import \
+    ExtensionsClient
+from tempest.lib.services.compute.fixed_ips_client import FixedIPsClient
+from tempest.lib.services.compute.flavors_client import FlavorsClient
+from tempest.lib.services.compute.floating_ip_pools_client import \
+    FloatingIPPoolsClient
+from tempest.lib.services.compute.floating_ips_bulk_client import \
+    FloatingIPsBulkClient
+from tempest.lib.services.compute.floating_ips_client import \
+    FloatingIPsClient
+from tempest.lib.services.compute.hosts_client import HostsClient
+from tempest.lib.services.compute.hypervisor_client import \
+    HypervisorClient
+from tempest.lib.services.compute.images_client import ImagesClient
+from tempest.lib.services.compute.instance_usage_audit_log_client import \
+    InstanceUsagesAuditLogClient
+from tempest.lib.services.compute.interfaces_client import InterfacesClient
+from tempest.lib.services.compute.keypairs_client import KeyPairsClient
+from tempest.lib.services.compute.limits_client import LimitsClient
+from tempest.lib.services.compute.migrations_client import MigrationsClient
+from tempest.lib.services.compute.networks_client import NetworksClient
+from tempest.lib.services.compute.quota_classes_client import \
+    QuotaClassesClient
+from tempest.lib.services.compute.quotas_client import QuotasClient
+from tempest.lib.services.compute.security_group_default_rules_client import \
+    SecurityGroupDefaultRulesClient
+from tempest.lib.services.compute.security_group_rules_client import \
+    SecurityGroupRulesClient
+from tempest.lib.services.compute.security_groups_client import \
+    SecurityGroupsClient
+from tempest.lib.services.compute.server_groups_client import \
+    ServerGroupsClient
+from tempest.lib.services.compute.servers_client import ServersClient
+from tempest.lib.services.compute.services_client import ServicesClient
+from tempest.lib.services.compute.snapshots_client import SnapshotsClient
+from tempest.lib.services.compute.tenant_networks_client import \
+    TenantNetworksClient
+from tempest.lib.services.compute.tenant_usages_client import \
+    TenantUsagesClient
+from tempest.lib.services.compute.versions_client import VersionsClient
+from tempest.lib.services.compute.volumes_client import \
+    VolumesClient
+
+__all__ = ['AgentsClient', 'AggregatesClient', 'AvailabilityZoneClient',
+           'BaremetalNodesClient', 'CertificatesClient', 'ExtensionsClient',
+           'FixedIPsClient', 'FlavorsClient', 'FloatingIPPoolsClient',
+           'FloatingIPsBulkClient', 'FloatingIPsClient', 'HostsClient',
+           'HypervisorClient', 'ImagesClient', 'InstanceUsagesAuditLogClient',
+           'InterfacesClient', 'KeyPairsClient', 'LimitsClient',
+           'MigrationsClient', 'NetworksClient', 'QuotaClassesClient',
+           'QuotasClient', 'SecurityGroupDefaultRulesClient',
+           'SecurityGroupRulesClient', 'SecurityGroupsClient',
+           'ServerGroupsClient', 'ServersClient', 'ServicesClient',
+           'SnapshotsClient', 'TenantNetworksClient', 'TenantUsagesClient',
+           'VersionsClient', 'VolumesClient']
diff --git a/tempest/lib/services/image/v1/__init__.py b/tempest/lib/services/image/v1/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tempest/lib/services/image/v1/__init__.py
diff --git a/tempest/services/image/v1/json/image_members_client.py b/tempest/lib/services/image/v1/image_members_client.py
similarity index 100%
rename from tempest/services/image/v1/json/image_members_client.py
rename to tempest/lib/services/image/v1/image_members_client.py
diff --git a/tempest/lib/services/network/__init__.py b/tempest/lib/services/network/__init__.py
index e69de29..c466f07 100644
--- a/tempest/lib/services/network/__init__.py
+++ b/tempest/lib/services/network/__init__.py
@@ -0,0 +1,38 @@
+# Copyright (c) 2016 Hewlett-Packard Enterprise Development Company, L.P.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License. You may obtain a copy of
+# the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations under
+# the License.
+
+from tempest.lib.services.network.agents_client import AgentsClient
+from tempest.lib.services.network.extensions_client import ExtensionsClient
+from tempest.lib.services.network.floating_ips_client import FloatingIPsClient
+from tempest.lib.services.network.metering_label_rules_client import \
+    MeteringLabelRulesClient
+from tempest.lib.services.network.metering_labels_client import \
+    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
+from tempest.lib.services.network.routers_client import RoutersClient
+from tempest.lib.services.network.security_group_rules_client import \
+    SecurityGroupRulesClient
+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.lib.services.network.versions_client import NetworkVersionsClient
+
+__all__ = ['AgentsClient', 'ExtensionsClient', 'FloatingIPsClient',
+           'MeteringLabelRulesClient', 'MeteringLabelsClient',
+           'NetworksClient', 'PortsClient', 'QuotasClient', 'RoutersClient',
+           'SecurityGroupRulesClient', 'SecurityGroupsClient',
+           'SubnetpoolsClient', 'SubnetsClient', 'NetworkVersionsClient']
diff --git a/tempest/services/identity/v2/json/roles_client.py b/tempest/services/identity/v2/json/roles_client.py
index acd97c6..15c8834 100644
--- a/tempest/services/identity/v2/json/roles_client.py
+++ b/tempest/services/identity/v2/json/roles_client.py
@@ -11,6 +11,7 @@
 #    under the License.
 
 from oslo_serialization import jsonutils as json
+from six.moves.urllib import parse as urllib
 
 from tempest.lib.common import rest_client
 
@@ -30,45 +31,77 @@
         body = json.loads(body)
         return rest_client.ResponseBody(resp, body)
 
-    def show_role(self, role_id):
-        """Get a role by its id."""
-        resp, body = self.get('OS-KSADM/roles/%s' % role_id)
+    def show_role(self, role_id_or_name):
+        """Get a role by its id or name.
+
+        Available params: see
+            http://developer.openstack.org/
+            api-ref-identity-v2-ext.html#showRoleByID
+            OR
+            http://developer.openstack.org/
+            api-ref-identity-v2-ext.html#showRoleByName
+        """
+        resp, body = self.get('OS-KSADM/roles/%s' % role_id_or_name)
         self.expected_success(200, resp.status)
         body = json.loads(body)
         return rest_client.ResponseBody(resp, body)
 
-    def delete_role(self, role_id):
-        """Delete a role."""
-        resp, body = self.delete('OS-KSADM/roles/%s' % str(role_id))
-        self.expected_success(204, resp.status)
-        return resp, body
+    def list_roles(self, **params):
+        """Returns roles.
 
-    def list_user_roles(self, tenant_id, user_id):
-        """Returns a list of roles assigned to a user for a tenant."""
-        url = '/tenants/%s/users/%s/roles' % (tenant_id, user_id)
+        Available params: see http://developer.openstack.org/
+                              api-ref-identity-v2-ext.html#listRoles
+        """
+        url = 'OS-KSADM/roles'
+        if params:
+            url += '?%s' % urllib.urlencode(params)
         resp, body = self.get(url)
         self.expected_success(200, resp.status)
         body = json.loads(body)
         return rest_client.ResponseBody(resp, body)
 
-    def assign_user_role(self, tenant_id, user_id, role_id):
-        """Add roles to a user on a tenant."""
+    def delete_role(self, role_id):
+        """Delete a role.
+
+        Available params: see http://developer.openstack.org/
+                              api-ref-identity-v2-ext.html#deleteRole
+        """
+        resp, body = self.delete('OS-KSADM/roles/%s' % str(role_id))
+        self.expected_success(204, resp.status)
+        return rest_client.ResponseBody(resp, body)
+
+    def create_user_role_on_project(self, tenant_id, user_id, role_id):
+        """Add roles to a user on a tenant.
+
+        Available params: see
+            http://developer.openstack.org/
+            api-ref-identity-v2-ext.html#grantRoleToUserOnTenant
+        """
         resp, body = self.put('/tenants/%s/users/%s/roles/OS-KSADM/%s' %
                               (tenant_id, user_id, role_id), "")
         self.expected_success(200, resp.status)
         body = json.loads(body)
         return rest_client.ResponseBody(resp, body)
 
-    def delete_user_role(self, tenant_id, user_id, role_id):
-        """Removes a role assignment for a user on a tenant."""
+    def list_user_roles_on_project(self, tenant_id, user_id, **params):
+        """Returns a list of roles assigned to a user for a tenant."""
+        # TODO(gmann): Need to write API-ref link, Bug# 1592711
+        url = '/tenants/%s/users/%s/roles' % (tenant_id, user_id)
+        if params:
+            url += '?%s' % urllib.urlencode(params)
+        resp, body = self.get(url)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return rest_client.ResponseBody(resp, body)
+
+    def delete_role_from_user_on_project(self, tenant_id, user_id, role_id):
+        """Removes a role assignment for a user on a tenant.
+
+        Available params: see
+            http://developer.openstack.org/
+            api-ref-identity-v2-ext.html#revokeRoleFromUserOnTenant
+        """
         resp, body = self.delete('/tenants/%s/users/%s/roles/OS-KSADM/%s' %
                                  (tenant_id, user_id, role_id))
         self.expected_success(204, resp.status)
         return rest_client.ResponseBody(resp, body)
-
-    def list_roles(self):
-        """Returns roles."""
-        resp, body = self.get('OS-KSADM/roles')
-        self.expected_success(200, resp.status)
-        body = json.loads(body)
-        return rest_client.ResponseBody(resp, body)
diff --git a/tempest/services/identity/v2/json/tenants_client.py b/tempest/services/identity/v2/json/tenants_client.py
index 97e5c11..77ddaa5 100644
--- a/tempest/services/identity/v2/json/tenants_client.py
+++ b/tempest/services/identity/v2/json/tenants_client.py
@@ -13,6 +13,7 @@
 # limitations under the License.
 
 from oslo_serialization import jsonutils as json
+from six.moves.urllib import parse as urllib
 
 from tempest.lib.common import rest_client
 
@@ -20,40 +21,50 @@
 class TenantsClient(rest_client.RestClient):
     api_version = "v2.0"
 
-    def create_tenant(self, name, **kwargs):
+    def create_tenant(self, **kwargs):
         """Create a tenant
 
-        name (required): New tenant name
-        description: Description of new tenant (default is none)
-        enabled <true|false>: Initial tenant status (default is true)
+        Available params: see http://developer.openstack.org/
+                              api-ref-identity-v2-ext.html#createTenant
         """
-        post_body = {
-            'name': name,
-            'description': kwargs.get('description', ''),
-            'enabled': kwargs.get('enabled', True),
-        }
-        post_body = json.dumps({'tenant': post_body})
+        post_body = json.dumps({'tenant': kwargs})
         resp, body = self.post('tenants', post_body)
         self.expected_success(200, resp.status)
         body = json.loads(body)
         return rest_client.ResponseBody(resp, body)
 
     def delete_tenant(self, tenant_id):
-        """Delete a tenant."""
+        """Delete a tenant.
+
+        Available params: see http://developer.openstack.org/
+                              api-ref-identity-v2-ext.html#deleteTenant
+        """
         resp, body = self.delete('tenants/%s' % str(tenant_id))
         self.expected_success(204, resp.status)
         return rest_client.ResponseBody(resp, body)
 
     def show_tenant(self, tenant_id):
-        """Get tenant details."""
+        """Get tenant details.
+
+        Available params: see
+            http://developer.openstack.org/
+            api-ref-identity-v2-ext.html#admin-showTenantById
+        """
         resp, body = self.get('tenants/%s' % str(tenant_id))
         self.expected_success(200, resp.status)
         body = json.loads(body)
         return rest_client.ResponseBody(resp, body)
 
-    def list_tenants(self):
-        """Returns tenants."""
-        resp, body = self.get('tenants')
+    def list_tenants(self, **params):
+        """Returns tenants.
+
+        Available params: see http://developer.openstack.org/
+                              api-ref-identity-v2-ext.html#admin-listTenants
+        """
+        url = 'tenants'
+        if params:
+            url += '?%s' % urllib.urlencode(params)
+        resp, body = self.get(url)
         self.expected_success(200, resp.status)
         body = json.loads(body)
         return rest_client.ResponseBody(resp, body)
@@ -64,25 +75,24 @@
         Available params: see http://developer.openstack.org/
                               api-ref-identity-v2-ext.html#updateTenant
         """
-        body = self.show_tenant(tenant_id)['tenant']
-        name = kwargs.get('name', body['name'])
-        desc = kwargs.get('description', body['description'])
-        en = kwargs.get('enabled', body['enabled'])
-        post_body = {
-            'id': tenant_id,
-            'name': name,
-            'description': desc,
-            'enabled': en,
-        }
-        post_body = json.dumps({'tenant': post_body})
+        if 'id' not in kwargs:
+            kwargs['id'] = tenant_id
+        post_body = json.dumps({'tenant': kwargs})
         resp, body = self.post('tenants/%s' % tenant_id, post_body)
         self.expected_success(200, resp.status)
         body = json.loads(body)
         return rest_client.ResponseBody(resp, body)
 
-    def list_tenant_users(self, tenant_id):
-        """List users for a Tenant."""
-        resp, body = self.get('/tenants/%s/users' % tenant_id)
+    def list_tenant_users(self, tenant_id, **params):
+        """List users for a Tenant.
+
+        Available params: see http://developer.openstack.org/
+                              api-ref-identity-v2-ext.html#listUsersForTenant
+        """
+        url = '/tenants/%s/users' % tenant_id
+        if params:
+            url += '?%s' % urllib.urlencode(params)
+        resp, body = self.get(url)
         self.expected_success(200, resp.status)
         body = json.loads(body)
         return rest_client.ResponseBody(resp, body)
diff --git a/tempest/services/image/v1/json/images_client.py b/tempest/services/image/v1/json/images_client.py
index 30325c0..5680668 100644
--- a/tempest/services/image/v1/json/images_client.py
+++ b/tempest/services/image/v1/json/images_client.py
@@ -16,7 +16,6 @@
 import copy
 import functools
 
-from oslo_log import log as logging
 from oslo_serialization import jsonutils as json
 import six
 from six.moves.urllib import parse as urllib
@@ -24,7 +23,6 @@
 from tempest.lib.common import rest_client
 from tempest.lib import exceptions as lib_exc
 
-LOG = logging.getLogger(__name__)
 CHUNKSIZE = 1024 * 64  # 64kB
 
 
diff --git a/tempest/tests/cmd/test_javelin.py b/tempest/tests/cmd/test_javelin.py
index 50660ff..5ec9720 100644
--- a/tempest/tests/cmd/test_javelin.py
+++ b/tempest/tests/cmd/test_javelin.py
@@ -92,7 +92,7 @@
         javelin.create_tenants([self.fake_object['name']])
 
         mocked_function = self.fake_client.tenants.create_tenant
-        mocked_function.assert_called_once_with(self.fake_object['name'])
+        mocked_function.assert_called_once_with(name=self.fake_object['name'])
 
     def test_create_duplicate_tenant(self):
         self.fake_client.tenants.list_tenants.return_value = {'tenants': [
diff --git a/tempest/tests/common/test_dynamic_creds.py b/tempest/tests/common/test_dynamic_creds.py
index a7a3a22..e97f65f 100644
--- a/tempest/tests/common/test_dynamic_creds.py
+++ b/tempest/tests/common/test_dynamic_creds.py
@@ -54,7 +54,7 @@
     users_client = v2_users_client
     token_client_class = token_client.TokenClient
     fake_response = fake_identity._fake_v2_response
-    assign_role_on_project = 'assign_user_role'
+    assign_role_on_project = 'create_user_role_on_project'
     tenants_client_class = tenants_client.TenantsClient
     delete_tenant = 'delete_tenant'
 
diff --git a/tempest/tests/lib/services/image/v1/__init__.py b/tempest/tests/lib/services/image/v1/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tempest/tests/lib/services/image/v1/__init__.py
diff --git a/tempest/tests/lib/services/image/v1/test_image_members_client.py b/tempest/tests/lib/services/image/v1/test_image_members_client.py
new file mode 100644
index 0000000..a5a6128
--- /dev/null
+++ b/tempest/tests/lib/services/image/v1/test_image_members_client.py
@@ -0,0 +1,84 @@
+# Copyright 2016 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.lib.services.image.v1 import image_members_client
+from tempest.tests.lib import fake_auth_provider
+from tempest.tests.lib.services import base
+
+
+class TestImageMembersClient(base.BaseServiceTest):
+    FAKE_LIST_IMAGE_MEMBERS = {
+        "members": [
+            {
+                "created_at": "2013-10-07T17:58:03Z",
+                "image_id": "dbc999e3-c52f-4200-bedd-3b18fe7f87fe",
+                "member_id": "123456789",
+                "status": "pending",
+                "updated_at": "2013-10-07T17:58:03Z"
+            },
+            {
+                "created_at": "2013-10-07T17:58:55Z",
+                "image_id": "dbc999e3-c52f-4200-bedd-3b18fe7f87fe",
+                "member_id": "987654321",
+                "status": "accepted",
+                "updated_at": "2013-10-08T12:08:55Z"
+            }
+        ]
+    }
+
+    def setUp(self):
+        super(TestImageMembersClient, self).setUp()
+        fake_auth = fake_auth_provider.FakeAuthProvider()
+        self.client = image_members_client.ImageMembersClient(fake_auth,
+                                                              'image',
+                                                              'regionOne')
+
+    def _test_list_image_members(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.list_image_members,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_LIST_IMAGE_MEMBERS,
+            bytes_body,
+            image_id="0ae74cc5-5147-4239-9ce2-b0c580f7067e")
+
+    def _test_create_image_member(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.create_image_member,
+            'tempest.lib.common.rest_client.RestClient.put',
+            {},
+            bytes_body,
+            image_id="0ae74cc5-5147-4239-9ce2-b0c580f7067e",
+            member_id="8989447062e04a818baf9e073fd04fa7",
+            status=204)
+
+    def test_list_image_members_with_str_body(self):
+        self._test_list_image_members()
+
+    def test_list_image_members_with_bytes_body(self):
+        self._test_list_image_members(bytes_body=True)
+
+    def test_create_image_member_with_str_body(self):
+        self._test_create_image_member()
+
+    def test_create_image_member_with_bytes_body(self):
+        self._test_create_image_member(bytes_body=True)
+
+    def test_delete_image_member(self):
+        self.check_service_client_function(
+            self.client.delete_image_member,
+            'tempest.lib.common.rest_client.RestClient.delete',
+            {},
+            image_id="0ae74cc5-5147-4239-9ce2-b0c580f7067e",
+            member_id="8989447062e04a818baf9e073fd04fa7",
+            status=204)
diff --git a/tempest/tests/services/identity/__init__.py b/tempest/tests/services/identity/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tempest/tests/services/identity/__init__.py
diff --git a/tempest/tests/services/identity/v2/__init__.py b/tempest/tests/services/identity/v2/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tempest/tests/services/identity/v2/__init__.py
diff --git a/tempest/tests/services/identity/v2/test_roles_client.py b/tempest/tests/services/identity/v2/test_roles_client.py
new file mode 100644
index 0000000..e36ec18
--- /dev/null
+++ b/tempest/tests/services/identity/v2/test_roles_client.py
@@ -0,0 +1,141 @@
+# Copyright 2016 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.identity.v2.json import roles_client
+from tempest.tests.lib import fake_auth_provider
+from tempest.tests.lib.services import base
+
+
+class TestRolesClient(base.BaseServiceTest):
+    FAKE_ROLE_INFO = {
+        "role": {
+            "id": "1",
+            "name": "test",
+            "description": "test_description"
+        }
+    }
+
+    FAKE_LIST_ROLES = {
+        "roles": [
+            {
+                "id": "1",
+                "name": "test",
+                "description": "test_description"
+            },
+            {
+                "id": "2",
+                "name": "test2",
+                "description": "test2_description"
+            }
+        ]
+    }
+
+    def setUp(self):
+        super(TestRolesClient, self).setUp()
+        fake_auth = fake_auth_provider.FakeAuthProvider()
+        self.client = roles_client.RolesClient(fake_auth,
+                                               'identity', 'regionOne')
+
+    def _test_create_role(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.create_role,
+            'tempest.lib.common.rest_client.RestClient.post',
+            self.FAKE_ROLE_INFO,
+            bytes_body,
+            id="1",
+            name="test",
+            description="test_description")
+
+    def _test_show_role(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.show_role,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_ROLE_INFO,
+            bytes_body,
+            role_id_or_name="1")
+
+    def _test_list_roles(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.list_roles,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_LIST_ROLES,
+            bytes_body)
+
+    def _test_create_user_role_on_project(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.create_user_role_on_project,
+            'tempest.lib.common.rest_client.RestClient.put',
+            self.FAKE_ROLE_INFO,
+            bytes_body,
+            tenant_id="b344506af7644f6794d9cb316600b020",
+            user_id="123",
+            role_id="1234",
+            status=200)
+
+    def _test_list_user_roles_on_project(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.list_user_roles_on_project,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_LIST_ROLES,
+            bytes_body,
+            tenant_id="b344506af7644f6794d9cb316600b020",
+            user_id="123")
+
+    def test_create_role_with_str_body(self):
+        self._test_create_role()
+
+    def test_create_role_with_bytes_body(self):
+        self._test_create_role(bytes_body=True)
+
+    def test_show_role_with_str_body(self):
+        self._test_show_role()
+
+    def test_show_role_with_bytes_body(self):
+        self._test_show_role(bytes_body=True)
+
+    def test_list_roles_with_str_body(self):
+        self._test_list_roles()
+
+    def test_list_roles_with_bytes_body(self):
+        self._test_list_roles(bytes_body=True)
+
+    def test_delete_role(self):
+        self.check_service_client_function(
+            self.client.delete_role,
+            'tempest.lib.common.rest_client.RestClient.delete',
+            {},
+            role_id="1",
+            status=204)
+
+    def test_create_user_role_on_project_with_str_body(self):
+        self._test_create_user_role_on_project()
+
+    def test_create_user_role_on_project_with_bytes_body(self):
+        self._test_create_user_role_on_project(bytes_body=True)
+
+    def test_list_user_roles_on_project_with_str_body(self):
+        self._test_list_user_roles_on_project()
+
+    def test_list_user_roles_on_project_with_bytes_body(self):
+        self._test_list_user_roles_on_project(bytes_body=True)
+
+    def test_delete_role_from_user_on_project(self):
+        self.check_service_client_function(
+            self.client.delete_role_from_user_on_project,
+            'tempest.lib.common.rest_client.RestClient.delete',
+            {},
+            tenant_id="b344506af7644f6794d9cb316600b020",
+            user_id="123",
+            role_id="1234",
+            status=204)