diff --git a/releasenotes/notes/13.1.0-volume-clients-as-library-309030c7a16e62ab.yaml b/releasenotes/notes/13.1.0-volume-clients-as-library-309030c7a16e62ab.yaml
index 056e199..6babd93 100644
--- a/releasenotes/notes/13.1.0-volume-clients-as-library-309030c7a16e62ab.yaml
+++ b/releasenotes/notes/13.1.0-volume-clients-as-library-309030c7a16e62ab.yaml
@@ -8,3 +8,5 @@
 
     * volumes_client(v1)
     * volumes_client(v2)
+    * capabilities_client(v2)
+    * scheduler_stats_client(v2)
diff --git a/releasenotes/notes/add-service-provider-client-cbba77d424a30dd3.yaml b/releasenotes/notes/add-service-provider-client-cbba77d424a30dd3.yaml
new file mode 100644
index 0000000..b504c78
--- /dev/null
+++ b/releasenotes/notes/add-service-provider-client-cbba77d424a30dd3.yaml
@@ -0,0 +1,4 @@
+---
+features:
+  - A Neutron Service Providers client is added to deal with resources
+    of the '/service-providers' route.
diff --git a/tempest/api/compute/servers/test_attach_interfaces.py b/tempest/api/compute/servers/test_attach_interfaces.py
index 8342a3e..a21ce94 100644
--- a/tempest/api/compute/servers/test_attach_interfaces.py
+++ b/tempest/api/compute/servers/test_attach_interfaces.py
@@ -46,7 +46,6 @@
     @classmethod
     def setup_clients(cls):
         super(AttachInterfacesTestJSON, cls).setup_clients()
-        cls.networks_client = cls.os.networks_client
         cls.subnets_client = cls.os.subnets_client
         cls.ports_client = cls.os.ports_client
 
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 59ffc19..361ff31 100644
--- a/tempest/api/identity/admin/v3/test_default_project_id.py
+++ b/tempest/api/identity/admin/v3/test_default_project_id.py
@@ -36,7 +36,8 @@
     def test_default_project_id(self):
         # create a domain
         dom_name = data_utils.rand_name('dom')
-        domain_body = self.domains_client.create_domain(dom_name)['domain']
+        domain_body = self.domains_client.create_domain(
+            name=dom_name)['domain']
         dom_id = domain_body['id']
         self.addCleanup(self._delete_domain, dom_id)
 
diff --git a/tempest/api/identity/admin/v3/test_domains.py b/tempest/api/identity/admin/v3/test_domains.py
index cbf1439..e71341f 100644
--- a/tempest/api/identity/admin/v3/test_domains.py
+++ b/tempest/api/identity/admin/v3/test_domains.py
@@ -32,7 +32,7 @@
         cls.setup_domains = list()
         for i in range(3):
             domain = cls.domains_client.create_domain(
-                data_utils.rand_name('domain'),
+                name=data_utils.rand_name('domain'),
                 description=data_utils.rand_name('domain-desc'),
                 enabled=i < 2)['domain']
             cls.setup_domains.append(domain)
@@ -67,7 +67,7 @@
         # List domains filtering by name
         params = {'name': self.setup_domains[0]['name']}
         fetched_domains = self.domains_client.list_domains(
-            params=params)['domains']
+            **params)['domains']
         # Verify the filtered list is correct, domain names are unique
         # so exactly one domain should be found with the provided name
         self.assertEqual(1, len(fetched_domains))
@@ -79,7 +79,7 @@
         # List domains filtering by enabled domains
         params = {'enabled': True}
         fetched_domains = self.domains_client.list_domains(
-            params=params)['domains']
+            **params)['domains']
         # Verify the filtered list is correct
         self.assertIn(self.setup_domains[0], fetched_domains)
         self.assertIn(self.setup_domains[1], fetched_domains)
@@ -93,7 +93,7 @@
         d_name = data_utils.rand_name('domain')
         d_desc = data_utils.rand_name('domain-desc')
         domain = self.domains_client.create_domain(
-            d_name, description=d_desc)['domain']
+            name=d_name, description=d_desc)['domain']
         self.addCleanup(test_utils.call_and_ignore_notfound_exc,
                         self._delete_domain, domain['id'])
         self.assertIn('id', domain)
@@ -138,7 +138,7 @@
         d_name = data_utils.rand_name('domain')
         d_desc = data_utils.rand_name('domain-desc')
         domain = self.domains_client.create_domain(
-            d_name, description=d_desc, enabled=False)['domain']
+            name=d_name, description=d_desc, enabled=False)['domain']
         self.addCleanup(self.domains_client.delete_domain, domain['id'])
         self.assertEqual(d_name, domain['name'])
         self.assertFalse(domain['enabled'])
@@ -148,11 +148,15 @@
     def test_create_domain_without_description(self):
         # Create domain only with name
         d_name = data_utils.rand_name('domain')
-        domain = self.domains_client.create_domain(d_name)['domain']
+        domain = self.domains_client.create_domain(name=d_name)['domain']
         self.addCleanup(self._delete_domain, domain['id'])
         self.assertIn('id', domain)
         expected_data = {'name': d_name, 'enabled': True}
-        self.assertIsNone(domain['description'])
+        # TODO(gmann): there is bug in keystone liberty version where
+        # description is not being returned if it is not being passed in
+        # request. Bug#1649245. Once bug is fixed then we can enable the below
+        # check.
+        # self.assertEqual('', domain['description'])
         self.assertDictContainsSubset(expected_data, domain)
 
 
diff --git a/tempest/api/identity/admin/v3/test_domains_negative.py b/tempest/api/identity/admin/v3/test_domains_negative.py
index 4330cab..100a121 100644
--- a/tempest/api/identity/admin/v3/test_domains_negative.py
+++ b/tempest/api/identity/admin/v3/test_domains_negative.py
@@ -28,7 +28,7 @@
         d_name = data_utils.rand_name('domain')
         d_desc = data_utils.rand_name('domain-desc')
         domain = self.domains_client.create_domain(
-            d_name,
+            name=d_name,
             description=d_desc)['domain']
         domain_id = domain['id']
 
@@ -51,7 +51,8 @@
         # Domain name length should not ne greater than 64 characters
         d_name = 'a' * 65
         self.assertRaises(lib_exc.BadRequest,
-                          self.domains_client.create_domain, d_name)
+                          self.domains_client.create_domain,
+                          name=d_name)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('43781c07-764f-4cf2-a405-953c1916f605')
@@ -64,9 +65,10 @@
     @test.idempotent_id('e6f9e4a2-4f36-4be8-bdbc-4e199ae29427')
     def test_domain_create_duplicate(self):
         domain_name = data_utils.rand_name('domain-dup')
-        domain = self.domains_client.create_domain(domain_name)['domain']
+        domain = self.domains_client.create_domain(name=domain_name)['domain']
         domain_id = domain['id']
         self.addCleanup(self.delete_domain, domain_id)
         # Domain name should be unique
         self.assertRaises(
-            lib_exc.Conflict, self.domains_client.create_domain, domain_name)
+            lib_exc.Conflict, self.domains_client.create_domain,
+            name=domain_name)
diff --git a/tempest/api/identity/admin/v3/test_inherits.py b/tempest/api/identity/admin/v3/test_inherits.py
index c7e8411..33fce8d 100644
--- a/tempest/api/identity/admin/v3/test_inherits.py
+++ b/tempest/api/identity/admin/v3/test_inherits.py
@@ -31,7 +31,7 @@
         u_email = '%s@testmail.tm' % u_name
         u_password = data_utils.rand_name('pass-')
         cls.domain = cls.domains_client.create_domain(
-            data_utils.rand_name('domain-'),
+            name=data_utils.rand_name('domain-'),
             description=data_utils.rand_name('domain-desc-'))['domain']
         cls.project = cls.projects_client.create_project(
             data_utils.rand_name('project-'),
diff --git a/tempest/api/identity/admin/v3/test_roles.py b/tempest/api/identity/admin/v3/test_roles.py
index f5bf923..670cb2f 100644
--- a/tempest/api/identity/admin/v3/test_roles.py
+++ b/tempest/api/identity/admin/v3/test_roles.py
@@ -34,7 +34,7 @@
         u_email = '%s@testmail.tm' % u_name
         cls.u_password = data_utils.rand_password()
         cls.domain = cls.domains_client.create_domain(
-            data_utils.rand_name('domain'),
+            name=data_utils.rand_name('domain'),
             description=data_utils.rand_name('domain-desc'))['domain']
         cls.project = cls.projects_client.create_project(
             data_utils.rand_name('project'),
diff --git a/tempest/api/network/admin/test_negative_quotas.py b/tempest/api/network/admin/test_negative_quotas.py
index 7b037d5..c256b5b 100644
--- a/tempest/api/network/admin/test_negative_quotas.py
+++ b/tempest/api/network/admin/test_negative_quotas.py
@@ -38,11 +38,6 @@
             msg = "quotas extension not enabled."
             raise cls.skipException(msg)
 
-    @classmethod
-    def setup_clients(cls):
-        super(QuotasNegativeTest, cls).setup_clients()
-        cls.identity_admin_client = cls.os_adm.identity_client
-
     @test.idempotent_id('644f4e1b-1bf9-4af0-9fd8-eb56ac0f51cf')
     def test_network_quota_exceeding(self):
         # Set the network quota to two
diff --git a/tempest/api/network/admin/test_quotas.py b/tempest/api/network/admin/test_quotas.py
index 3a264ff..978fb8f 100644
--- a/tempest/api/network/admin/test_quotas.py
+++ b/tempest/api/network/admin/test_quotas.py
@@ -43,11 +43,6 @@
             msg = "quotas extension not enabled."
             raise cls.skipException(msg)
 
-    @classmethod
-    def setup_clients(cls):
-        super(QuotasTest, cls).setup_clients()
-        cls.identity_admin_client = cls.os_adm.identity_client
-
     def _check_quotas(self, new_quotas):
         # Add a project to conduct the test
         project = data_utils.rand_name('test_project_')
diff --git a/tempest/api/network/base.py b/tempest/api/network/base.py
index deefbeb..c2c42bb 100644
--- a/tempest/api/network/base.py
+++ b/tempest/api/network/base.py
@@ -81,6 +81,7 @@
         cls.security_group_rules_client = (
             cls.os.security_group_rules_client)
         cls.network_versions_client = cls.os.network_versions_client
+        cls.service_providers_client = cls.os.service_providers_client
 
     @classmethod
     def resource_setup(cls):
diff --git a/tempest/api/network/test_ports.py b/tempest/api/network/test_ports.py
index 15d289d..5b46088 100644
--- a/tempest/api/network/test_ports.py
+++ b/tempest/api/network/test_ports.py
@@ -360,11 +360,6 @@
 class PortsAdminExtendedAttrsTestJSON(base.BaseAdminNetworkTest):
 
     @classmethod
-    def setup_clients(cls):
-        super(PortsAdminExtendedAttrsTestJSON, cls).setup_clients()
-        cls.identity_client = cls.os_adm.identity_client
-
-    @classmethod
     def resource_setup(cls):
         super(PortsAdminExtendedAttrsTestJSON, cls).resource_setup()
         cls.network = cls.create_network()
diff --git a/tempest/api/network/test_routers.py b/tempest/api/network/test_routers.py
index e989b69..f2170ad 100644
--- a/tempest/api/network/test_routers.py
+++ b/tempest/api/network/test_routers.py
@@ -34,11 +34,6 @@
             raise cls.skipException(msg)
 
     @classmethod
-    def setup_clients(cls):
-        super(RoutersTest, cls).setup_clients()
-        cls.identity_admin_client = cls.os_adm.identity_client
-
-    @classmethod
     def resource_setup(cls):
         super(RoutersTest, cls).resource_setup()
         cls.tenant_cidr = (CONF.network.project_network_cidr
diff --git a/tempest/api/network/test_service_providers.py b/tempest/api/network/test_service_providers.py
new file mode 100644
index 0000000..09fb5fe
--- /dev/null
+++ b/tempest/api/network/test_service_providers.py
@@ -0,0 +1,23 @@
+#    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.network import base
+from tempest import test
+
+
+class ServiceProvidersTest(base.BaseNetworkTest):
+
+    @test.idempotent_id('2cbbeea9-f010-40f6-8df5-4eaa0c918ea6')
+    def test_service_providers_list(self):
+        body = self.service_providers_client.list_service_providers()
+        self.assertIn('service_providers', body)
+        self.assertIsInstance(body['service_providers'], list)
diff --git a/tempest/api/network/test_service_type_management.py b/tempest/api/network/test_service_type_management.py
deleted file mode 100644
index f49f082..0000000
--- a/tempest/api/network/test_service_type_management.py
+++ /dev/null
@@ -1,31 +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.api.network import base
-from tempest.lib import decorators
-from tempest import test
-
-
-class ServiceTypeManagementTestJSON(base.BaseNetworkTest):
-
-    @classmethod
-    def skip_checks(cls):
-        super(ServiceTypeManagementTestJSON, cls).skip_checks()
-        if not test.is_extension_enabled('service-type', 'network'):
-            msg = "Neutron Service Type Management not enabled."
-            raise cls.skipException(msg)
-
-    @decorators.skip_because(bug="1400370")
-    @test.idempotent_id('2cbbeea9-f010-40f6-8df5-4eaa0c918ea6')
-    def test_service_provider_list(self):
-        body = self.client.list_service_providers()
-        self.assertIsInstance(body['service_providers'], list)
diff --git a/tempest/api/volume/admin/test_backends_capabilities.py b/tempest/api/volume/admin/v2/test_backends_capabilities.py
similarity index 90%
rename from tempest/api/volume/admin/test_backends_capabilities.py
rename to tempest/api/volume/admin/v2/test_backends_capabilities.py
index 8a21853..fc9066c 100644
--- a/tempest/api/volume/admin/test_backends_capabilities.py
+++ b/tempest/api/volume/admin/v2/test_backends_capabilities.py
@@ -38,13 +38,13 @@
         # Get host list, formation: host@backend-name
         cls.hosts = [
             pool['name'] for pool in
-            cls.admin_volume_client.show_pools()['pools']
+            cls.admin_scheduler_stats_client.list_pools()['pools']
         ]
 
     @test.idempotent_id('3750af44-5ea2-4cd4-bc3e-56e7e6caf854')
     def test_get_capabilities_backend(self):
         # Test backend properties
-        backend = self.admin_volume_client.show_backend_capabilities(
+        backend = self.admin_capabilities_client.show_backend_capabilities(
             self.hosts[0])
 
         # Verify getting capabilities parameters from a backend
@@ -62,12 +62,12 @@
         # Get list backend capabilities using show_pools
         cinder_pools = [
             pool['capabilities'] for pool in
-            self.admin_volume_client.show_pools(detail=True)['pools']
+            self.admin_scheduler_stats_client.list_pools(detail=True)['pools']
         ]
 
         # Get list backends capabilities using show_backend_capabilities
         capabilities = [
-            self.admin_volume_client.show_backend_capabilities(
+            self.admin_capabilities_client.show_backend_capabilities(
                 host=host) for host in self.hosts
         ]
 
diff --git a/tempest/api/volume/admin/v2/test_volume_pools.py b/tempest/api/volume/admin/v2/test_volume_pools.py
index c662e8c..e460278 100644
--- a/tempest/api/volume/admin/v2/test_volume_pools.py
+++ b/tempest/api/volume/admin/v2/test_volume_pools.py
@@ -29,7 +29,7 @@
     def test_get_pools_without_details(self):
         volume_info = self.admin_volume_client. \
             show_volume(self.volume['id'])['volume']
-        cinder_pools = self.admin_volume_client.show_pools()['pools']
+        cinder_pools = self.admin_scheduler_stats_client.list_pools()['pools']
         self.assertIn(volume_info['os-vol-host-attr:host'],
                       [pool['name'] for pool in cinder_pools])
 
@@ -37,7 +37,7 @@
     def test_get_pools_with_details(self):
         volume_info = self.admin_volume_client. \
             show_volume(self.volume['id'])['volume']
-        cinder_pools = self.admin_volume_client.\
-            show_pools(detail=True)['pools']
+        cinder_pools = self.admin_scheduler_stats_client.\
+            list_pools(detail=True)['pools']
         self.assertIn(volume_info['os-vol-host-attr:host'],
                       [pool['name'] for pool in cinder_pools])
diff --git a/tempest/api/volume/base.py b/tempest/api/volume/base.py
index 01e2c82..7cd72e1 100644
--- a/tempest/api/volume/base.py
+++ b/tempest/api/volume/base.py
@@ -266,6 +266,10 @@
                 cls.os_adm.encryption_types_v2_client
             cls.admin_quotas_client = cls.os_adm.volume_quotas_v2_client
             cls.admin_volume_limits_client = cls.os_adm.volume_v2_limits_client
+            cls.admin_capabilities_client = \
+                cls.os_adm.volume_capabilities_v2_client
+            cls.admin_scheduler_stats_client = \
+                cls.os_adm.volume_scheduler_stats_v2_client
 
     @classmethod
     def resource_setup(cls):
diff --git a/tempest/clients.py b/tempest/clients.py
index b3290ac..78a93d1 100644
--- a/tempest/clients.py
+++ b/tempest/clients.py
@@ -127,6 +127,7 @@
             self.network.SecurityGroupRulesClient())
         self.security_groups_client = self.network.SecurityGroupsClient()
         self.network_versions_client = self.network.NetworkVersionsClient()
+        self.service_providers_client = self.network.ServiceProvidersClient()
 
     def _set_image_clients(self):
         if CONF.service_available.glance:
@@ -303,6 +304,10 @@
             self.volume_v2.AvailabilityZoneClient()
         self.volume_limits_client = self.volume_v1.LimitsClient()
         self.volume_v2_limits_client = self.volume_v2.LimitsClient()
+        self.volume_capabilities_v2_client = \
+            self.volume_v2.CapabilitiesClient()
+        self.volume_scheduler_stats_v2_client = \
+            self.volume_v2.SchedulerStatsClient()
 
     def _set_object_storage_clients(self):
         # Mandatory parameters (always defined)
diff --git a/tempest/lib/common/cred_client.py b/tempest/lib/common/cred_client.py
index ad968f1..3f10dee 100644
--- a/tempest/lib/common/cred_client.py
+++ b/tempest/lib/common/cred_client.py
@@ -140,7 +140,7 @@
             # Domain names must be unique, in any case a list is returned,
             # selecting the first (and only) element
             self.creds_domain = self.domains_client.list_domains(
-                params={'name': domain_name})['domains'][0]
+                name=domain_name)['domains'][0]
         except lib_exc.NotFound:
             # TODO(andrea) we could probably create the domain on the fly
             msg = "Requested domain %s could not be found" % domain_name
diff --git a/tempest/lib/services/network/__init__.py b/tempest/lib/services/network/__init__.py
index c466f07..19e5463 100644
--- a/tempest/lib/services/network/__init__.py
+++ b/tempest/lib/services/network/__init__.py
@@ -27,6 +27,8 @@
     SecurityGroupRulesClient
 from tempest.lib.services.network.security_groups_client import \
     SecurityGroupsClient
+from tempest.lib.services.network.service_providers_client import \
+    ServiceProvidersClient
 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
@@ -35,4 +37,5 @@
            'MeteringLabelRulesClient', 'MeteringLabelsClient',
            'NetworksClient', 'PortsClient', 'QuotasClient', 'RoutersClient',
            'SecurityGroupRulesClient', 'SecurityGroupsClient',
-           'SubnetpoolsClient', 'SubnetsClient', 'NetworkVersionsClient']
+           'ServiceProvidersClient', 'SubnetpoolsClient', 'SubnetsClient',
+           'NetworkVersionsClient']
diff --git a/tempest/lib/services/network/service_providers_client.py b/tempest/lib/services/network/service_providers_client.py
new file mode 100644
index 0000000..0ee9bc3
--- /dev/null
+++ b/tempest/lib/services/network/service_providers_client.py
@@ -0,0 +1,21 @@
+#    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 import base
+
+
+class ServiceProvidersClient(base.BaseNetworkClient):
+
+    def list_service_providers(self, **filters):
+        """Lists service providers."""
+        uri = '/service-providers'
+        return self.list_resources(uri, **filters)
diff --git a/tempest/lib/services/volume/v2/__init__.py b/tempest/lib/services/volume/v2/__init__.py
index eaaafa5..837b4f6 100644
--- a/tempest/lib/services/volume/v2/__init__.py
+++ b/tempest/lib/services/volume/v2/__init__.py
@@ -15,6 +15,8 @@
 from tempest.lib.services.volume.v2.availability_zone_client \
     import AvailabilityZoneClient
 from tempest.lib.services.volume.v2.backups_client import BackupsClient
+from tempest.lib.services.volume.v2.capabilities_client import \
+    CapabilitiesClient
 from tempest.lib.services.volume.v2.encryption_types_client import \
     EncryptionTypesClient
 from tempest.lib.services.volume.v2.extensions_client import ExtensionsClient
@@ -22,6 +24,8 @@
 from tempest.lib.services.volume.v2.limits_client import LimitsClient
 from tempest.lib.services.volume.v2.qos_client import QosSpecsClient
 from tempest.lib.services.volume.v2.quotas_client import QuotasClient
+from tempest.lib.services.volume.v2.scheduler_stats_client import \
+    SchedulerStatsClient
 from tempest.lib.services.volume.v2.services_client import ServicesClient
 from tempest.lib.services.volume.v2.snapshots_client import SnapshotsClient
 from tempest.lib.services.volume.v2.types_client import TypesClient
@@ -30,4 +34,4 @@
 __all__ = ['AvailabilityZoneClient', 'BackupsClient', 'EncryptionTypesClient',
            'ExtensionsClient', 'HostsClient', 'QosSpecsClient', 'QuotasClient',
            'ServicesClient', 'SnapshotsClient', 'TypesClient', 'VolumesClient',
-           'LimitsClient']
+           'LimitsClient', 'CapabilitiesClient', 'SchedulerStatsClient']
diff --git a/tempest/lib/services/volume/v2/capabilities_client.py b/tempest/lib/services/volume/v2/capabilities_client.py
new file mode 100644
index 0000000..b6de5b9
--- /dev/null
+++ b/tempest/lib/services/volume/v2/capabilities_client.py
@@ -0,0 +1,34 @@
+# Copyright 2016 Red Hat, Inc.
+# 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 tempest.lib.common import rest_client
+
+
+class CapabilitiesClient(rest_client.RestClient):
+
+    def show_backend_capabilities(self, host):
+        """Shows capabilities for a storage back end.
+
+         Output params: see http://developer.openstack.org/
+                            api-ref-blockstorage-v2.html
+                            #showBackendCapabilities
+        """
+        url = 'capabilities/%s' % host
+        resp, body = self.get(url)
+        body = json.loads(body)
+        self.expected_success(200, resp.status)
+        return rest_client.ResponseBody(resp, body)
diff --git a/tempest/lib/services/volume/v2/scheduler_stats_client.py b/tempest/lib/services/volume/v2/scheduler_stats_client.py
new file mode 100644
index 0000000..637254b
--- /dev/null
+++ b/tempest/lib/services/volume/v2/scheduler_stats_client.py
@@ -0,0 +1,35 @@
+# Copyright 2016 Red Hat, Inc.
+# 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 tempest.lib.common import rest_client
+
+
+class SchedulerStatsClient(rest_client.RestClient):
+
+    def list_pools(self, detail=False):
+        """List all the volumes pools (hosts).
+
+        Output params: see http://developer.openstack.org/
+                           api-ref-blockstorage-v2.html#listPools
+        """
+        url = 'scheduler-stats/get_pools'
+        if detail:
+            url += '?detail=True'
+        resp, body = self.get(url)
+        body = json.loads(body)
+        self.expected_success(200, resp.status)
+        return rest_client.ResponseBody(resp, body)
diff --git a/tempest/lib/services/volume/v2/volumes_client.py b/tempest/lib/services/volume/v2/volumes_client.py
index ce97adb..8b8e249 100644
--- a/tempest/lib/services/volume/v2/volumes_client.py
+++ b/tempest/lib/services/volume/v2/volumes_client.py
@@ -13,6 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from debtcollector import removals
 from oslo_serialization import jsonutils as json
 import six
 from six.moves.urllib import parse as urllib
@@ -323,6 +324,8 @@
         self.expected_success(200, resp.status)
         return rest_client.ResponseBody(resp, body)
 
+    @removals.remove(message="use show_pools from tempest.lib.services."
+                             "volume.v2.scheduler_stats_client")
     def show_pools(self, detail=False):
         # List all the volumes pools (hosts)
         url = 'scheduler-stats/get_pools'
@@ -334,6 +337,8 @@
         self.expected_success(200, resp.status)
         return rest_client.ResponseBody(resp, body)
 
+    @removals.remove(message="use show_backend_capabilities from tempest.lib."
+                             "services.volume.v2.capabilities_client")
     def show_backend_capabilities(self, host):
         """Shows capabilities for a storage back end.
 
diff --git a/tempest/scenario/test_security_groups_basic_ops.py b/tempest/scenario/test_security_groups_basic_ops.py
index 32f5d9f..1360b09 100644
--- a/tempest/scenario/test_security_groups_basic_ops.py
+++ b/tempest/scenario/test_security_groups_basic_ops.py
@@ -15,7 +15,6 @@
 from oslo_log import log
 import testtools
 
-from tempest import clients
 from tempest.common.utils import data_utils
 from tempest.common.utils import net_info
 from tempest import config
@@ -113,9 +112,9 @@
             access point
         """
 
-        def __init__(self, credentials):
-            self.manager = clients.Manager(credentials)
+        def __init__(self, clients):
             # Credentials from manager are filled with both names and IDs
+            self.manager = clients
             self.creds = self.manager.credentials
             self.network = None
             self.subnet = None
@@ -152,11 +151,6 @@
         # Create no network resources for these tests.
         cls.set_network_resources()
         super(TestSecurityGroupsBasicOps, cls).setup_credentials()
-        # TODO(mnewby) Consider looking up entities as needed instead
-        # of storing them as collections on the class.
-
-        # Credentials from the manager are filled with both IDs and Names
-        cls.alt_creds = cls.alt_manager.credentials
 
     @classmethod
     def resource_setup(cls):
@@ -171,9 +165,8 @@
 
         cls.floating_ips = {}
         cls.tenants = {}
-        creds = cls.manager.credentials
-        cls.primary_tenant = cls.TenantProperties(creds)
-        cls.alt_tenant = cls.TenantProperties(cls.alt_creds)
+        cls.primary_tenant = cls.TenantProperties(cls.os)
+        cls.alt_tenant = cls.TenantProperties(cls.os_alt)
         for tenant in [cls.primary_tenant, cls.alt_tenant]:
             cls.tenants[tenant.creds.tenant_id] = tenant
 
diff --git a/tempest/services/identity/v3/json/domains_client.py b/tempest/services/identity/v3/json/domains_client.py
index fe929a5..43cb62c 100644
--- a/tempest/services/identity/v3/json/domains_client.py
+++ b/tempest/services/identity/v3/json/domains_client.py
@@ -21,29 +21,36 @@
 class DomainsClient(rest_client.RestClient):
     api_version = "v3"
 
-    def create_domain(self, name, **kwargs):
-        """Creates a domain."""
-        description = kwargs.get('description', None)
-        en = kwargs.get('enabled', True)
-        post_body = {
-            'description': description,
-            'enabled': en,
-            'name': name
-        }
-        post_body = json.dumps({'domain': post_body})
+    def create_domain(self, **kwargs):
+        """Creates a domain.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref/identity/v3/index.html#create-domain
+        """
+        post_body = json.dumps({'domain': kwargs})
         resp, body = self.post('domains', post_body)
         self.expected_success(201, resp.status)
         body = json.loads(body)
         return rest_client.ResponseBody(resp, body)
 
     def delete_domain(self, domain_id):
-        """Deletes a domain."""
+        """Deletes a domain.
+
+        For APi details, please refer to the official API reference:
+        http://developer.openstack.org/api-ref/identity/v3/index.html#delete-domain
+        """
         resp, body = self.delete('domains/%s' % domain_id)
         self.expected_success(204, resp.status)
         return rest_client.ResponseBody(resp, body)
 
-    def list_domains(self, params=None):
-        """List Domains."""
+    def list_domains(self, **params):
+        """List Domains.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref/identity/v3/index.html#list-domains
+        """
         url = 'domains'
         if params:
             url += '?%s' % urllib.urlencode(params)
@@ -53,24 +60,24 @@
         return rest_client.ResponseBody(resp, body)
 
     def update_domain(self, domain_id, **kwargs):
-        """Updates a domain."""
-        body = self.show_domain(domain_id)['domain']
-        description = kwargs.get('description', body['description'])
-        en = kwargs.get('enabled', body['enabled'])
-        name = kwargs.get('name', body['name'])
-        post_body = {
-            'description': description,
-            'enabled': en,
-            'name': name
-        }
-        post_body = json.dumps({'domain': post_body})
+        """Updates a domain.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref/identity/v3/index.html#update-domain
+        """
+        post_body = json.dumps({'domain': kwargs})
         resp, body = self.patch('domains/%s' % domain_id, post_body)
         self.expected_success(200, resp.status)
         body = json.loads(body)
         return rest_client.ResponseBody(resp, body)
 
     def show_domain(self, domain_id):
-        """Get Domain details."""
+        """Get Domain details.
+
+        For API details, please refer to the official API reference:
+        http://developer.openstack.org/api-ref/identity/v3/index.html#show-domain-details
+        """
         resp, body = self.get('domains/%s' % domain_id)
         self.expected_success(200, resp.status)
         body = json.loads(body)
diff --git a/tempest/test.py b/tempest/test.py
index 93fbed3..451b876 100644
--- a/tempest/test.py
+++ b/tempest/test.py
@@ -504,8 +504,12 @@
             else:
                 raise lib_exc.InvalidCredentials(
                     "Invalid credentials type %s" % credential_type)
-        return cls.client_manager(credentials=creds.credentials,
-                                  service=cls._service)
+        manager = cls.client_manager(credentials=creds.credentials,
+                                     service=cls._service)
+        # NOTE(andreaf) Ensure credentials have user and project id fields.
+        # It may not be the case when using pre-provisioned credentials.
+        manager.auth_provider.set_auth()
+        return manager
 
     @classmethod
     def clear_credentials(cls):
diff --git a/tempest/tests/lib/services/network/test_service_providers_client.py b/tempest/tests/lib/services/network/test_service_providers_client.py
new file mode 100644
index 0000000..ae11ef0
--- /dev/null
+++ b/tempest/tests/lib/services/network/test_service_providers_client.py
@@ -0,0 +1,37 @@
+#    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 import service_providers_client
+from tempest.tests.lib import fake_auth_provider
+from tempest.tests.lib.services import base
+
+
+class TestServiceProvidersClient(base.BaseServiceTest):
+    def setUp(self):
+        super(TestServiceProvidersClient, self).setUp()
+        fake_auth = fake_auth_provider.FakeAuthProvider()
+        self.client = service_providers_client.ServiceProvidersClient(
+            fake_auth, 'network', 'regionOne')
+
+    def _test_list_service_providers(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.list_service_providers,
+            'tempest.lib.common.rest_client.RestClient.get',
+            {"service_providers": []},
+            bytes_body)
+
+    def test_list_service_providers_with_str_body(self):
+        self._test_list_service_providers()
+
+    def test_list_service_providers_with_bytes_body(self):
+        self._test_list_service_providers(bytes_body=True)
diff --git a/tempest/tests/lib/test_auth.py b/tempest/tests/lib/test_auth.py
index 6da7e41..2f975d2 100644
--- a/tempest/tests/lib/test_auth.py
+++ b/tempest/tests/lib/test_auth.py
@@ -458,6 +458,56 @@
         expected = 'http://fake_url/v2.0'
         self._test_base_url_helper(expected, filters, ('token', auth_data))
 
+    def test_base_url_with_extra_path_endpoint(self):
+        auth_data = {
+            'serviceCatalog': [
+                {
+                    'type': 'compute',
+                    'endpoints': [
+                        {
+                            'region': 'FakeRegion',
+                            'publicURL': 'http://fake_url/some_path/v2.0'
+                        }
+                    ]
+                }
+            ]
+        }
+
+        filters = {
+            'service': 'compute',
+            'endpoint_type': 'publicURL',
+            'region': 'FakeRegion',
+            'api_version': 'v2.0'
+        }
+
+        expected = 'http://fake_url/some_path/v2.0'
+        self._test_base_url_helper(expected, filters, ('token', auth_data))
+
+    def test_base_url_with_unversioned_extra_path_endpoint(self):
+        auth_data = {
+            'serviceCatalog': [
+                {
+                    'type': 'compute',
+                    'endpoints': [
+                        {
+                            'region': 'FakeRegion',
+                            'publicURL': 'http://fake_url/some_path'
+                        }
+                    ]
+                }
+            ]
+        }
+
+        filters = {
+            'service': 'compute',
+            'endpoint_type': 'publicURL',
+            'region': 'FakeRegion',
+            'api_version': 'v2.0'
+        }
+
+        expected = 'http://fake_url/some_path/v2.0'
+        self._test_base_url_helper(expected, filters, ('token', auth_data))
+
     def test_token_not_expired(self):
         expiry_data = datetime.datetime.utcnow() + datetime.timedelta(days=1)
         self._verify_expiry(expiry_data=expiry_data, should_be_expired=False)
@@ -592,6 +642,58 @@
         expected = 'http://fake_url/v3'
         self._test_base_url_helper(expected, filters, ('token', auth_data))
 
+    def test_base_url_with_extra_path_endpoint(self):
+        auth_data = {
+            'catalog': [
+                {
+                    'type': 'compute',
+                    'endpoints': [
+                        {
+                            'region': 'FakeRegion',
+                            'url': 'http://fake_url/some_path/v2.0',
+                            'interface': 'public'
+                        }
+                    ]
+                }
+            ]
+        }
+
+        filters = {
+            'service': 'compute',
+            'endpoint_type': 'publicURL',
+            'region': 'FakeRegion',
+            'api_version': 'v2.0'
+        }
+
+        expected = 'http://fake_url/some_path/v2.0'
+        self._test_base_url_helper(expected, filters, ('token', auth_data))
+
+    def test_base_url_with_unversioned_extra_path_endpoint(self):
+        auth_data = {
+            'catalog': [
+                {
+                    'type': 'compute',
+                    'endpoints': [
+                        {
+                            'region': 'FakeRegion',
+                            'url': 'http://fake_url/some_path',
+                            'interface': 'public'
+                        }
+                    ]
+                }
+            ]
+        }
+
+        filters = {
+            'service': 'compute',
+            'endpoint_type': 'publicURL',
+            'region': 'FakeRegion',
+            'api_version': 'v2.0'
+        }
+
+        expected = 'http://fake_url/some_path/v2.0'
+        self._test_base_url_helper(expected, filters, ('token', auth_data))
+
     # Base URL test with scope only for V3
     def test_base_url_scope_project(self):
         self.auth_provider.scope = 'project'