diff --git a/requirements.txt b/requirements.txt
index 9079a8d..c0874a4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@
 netaddr!=0.7.16,>=0.7.13 # BSD
 testrepository>=0.0.18 # Apache-2.0/BSD
 oslo.concurrency>=3.8.0 # Apache-2.0
-oslo.config>=3.14.0 # Apache-2.0
+oslo.config!=3.18.0,>=3.14.0 # Apache-2.0
 oslo.log>=3.11.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
 oslo.utils>=3.17.0 # Apache-2.0
diff --git a/tempest/api/compute/images/test_images_negative.py b/tempest/api/compute/images/test_images_negative.py
index e91944f..8db094d 100644
--- a/tempest/api/compute/images/test_images_negative.py
+++ b/tempest/api/compute/images/test_images_negative.py
@@ -64,8 +64,6 @@
         # Create a new image with invalid server id
         name = data_utils.rand_name('image')
         meta = {'image_type': 'test'}
-        resp = {}
-        resp['status'] = None
         self.assertRaises(lib_exc.NotFound, self.create_image_from_server,
                           '!@$^&*()', name=name, meta=meta)
 
diff --git a/tempest/api/compute/servers/test_create_server.py b/tempest/api/compute/servers/test_create_server.py
index a48c17b..2f43157 100644
--- a/tempest/api/compute/servers/test_create_server.py
+++ b/tempest/api/compute/servers/test_create_server.py
@@ -265,22 +265,24 @@
             self.flavor_ref)['flavor']
 
         def create_flavor_with_ephemeral(ephem_disk):
-            if ephem_disk > 0:
-                flavor_name = data_utils.rand_name('eph_flavor')
-            else:
-                flavor_name = data_utils.rand_name('no_eph_flavor')
             flavor_with_eph_disk_id = data_utils.rand_int_id(start=1000)
 
             ram = flavor_base['ram']
             vcpus = flavor_base['vcpus']
             disk = flavor_base['disk']
 
-            # Create a flavor with ephemeral disk
-            flavor = (self.flavor_client.
-                      create_flavor(name=flavor_name,
-                                    ram=ram, vcpus=vcpus, disk=disk,
-                                    id=flavor_with_eph_disk_id,
-                                    ephemeral=ephem_disk))['flavor']
+            if ephem_disk > 0:
+                # Create a flavor with ephemeral disk
+                flavor_name = data_utils.rand_name('eph_flavor')
+                flavor = self.flavor_client.create_flavor(
+                    name=flavor_name, ram=ram, vcpus=vcpus, disk=disk,
+                    id=flavor_with_eph_disk_id, ephemeral=ephem_disk)['flavor']
+            else:
+                # Create a flavor without ephemeral disk
+                flavor_name = data_utils.rand_name('no_eph_flavor')
+                flavor = self.flavor_client.create_flavor(
+                    name=flavor_name, ram=ram, vcpus=vcpus, disk=disk,
+                    id=flavor_with_eph_disk_id)['flavor']
             self.addCleanup(flavor_clean_up, flavor['id'])
 
             return flavor['id']
diff --git a/tempest/api/compute/servers/test_instance_actions.py b/tempest/api/compute/servers/test_instance_actions.py
index a229df8..e50881f 100644
--- a/tempest/api/compute/servers/test_instance_actions.py
+++ b/tempest/api/compute/servers/test_instance_actions.py
@@ -28,17 +28,17 @@
     @classmethod
     def resource_setup(cls):
         super(InstanceActionsTestJSON, cls).resource_setup()
-        server = cls.create_test_server(wait_until='ACTIVE')
-        cls.request_id = server.response['x-compute-request-id']
-        cls.server_id = server['id']
+        cls.server = cls.create_test_server(wait_until='ACTIVE')
+        cls.request_id = cls.server.response['x-compute-request-id']
 
     @test.idempotent_id('77ca5cc5-9990-45e0-ab98-1de8fead201a')
     def test_list_instance_actions(self):
         # List actions of the provided server
-        self.client.reboot_server(self.server_id, type='HARD')
-        waiters.wait_for_server_status(self.client, self.server_id, 'ACTIVE')
+        self.client.reboot_server(self.server['id'], type='HARD')
+        waiters.wait_for_server_status(self.client,
+                                       self.server['id'], 'ACTIVE')
 
-        body = (self.client.list_instance_actions(self.server_id)
+        body = (self.client.list_instance_actions(self.server['id'])
                 ['instanceActions'])
         self.assertEqual(len(body), 2, str(body))
         self.assertEqual(sorted([i['action'] for i in body]),
@@ -48,8 +48,8 @@
     def test_get_instance_action(self):
         # Get the action details of the provided server
         body = self.client.show_instance_action(
-            self.server_id, self.request_id)['instanceAction']
-        self.assertEqual(self.server_id, body['instance_uuid'])
+            self.server['id'], self.request_id)['instanceAction']
+        self.assertEqual(self.server['id'], body['instance_uuid'])
         self.assertEqual('create', body['action'])
 
 
diff --git a/tempest/api/compute/servers/test_instance_actions_negative.py b/tempest/api/compute/servers/test_instance_actions_negative.py
index 54ec6aa..33fed08 100644
--- a/tempest/api/compute/servers/test_instance_actions_negative.py
+++ b/tempest/api/compute/servers/test_instance_actions_negative.py
@@ -29,8 +29,7 @@
     @classmethod
     def resource_setup(cls):
         super(InstanceActionsNegativeTestJSON, cls).resource_setup()
-        server = cls.create_test_server(wait_until='ACTIVE')
-        cls.server_id = server['id']
+        cls.server = cls.create_test_server(wait_until='ACTIVE')
 
     @test.attr(type=['negative'])
     @test.idempotent_id('67e1fce6-7ec2-45c6-92d4-0a8f1a632910')
@@ -46,4 +45,4 @@
     def test_get_instance_action_invalid_request(self):
         # Get the action details of the provided server with invalid request
         self.assertRaises(lib_exc.NotFound, self.client.show_instance_action,
-                          self.server_id, '999')
+                          self.server['id'], '999')
diff --git a/tempest/api/compute/servers/test_multiple_create_negative.py b/tempest/api/compute/servers/test_multiple_create_negative.py
index c4dbe23..d9fb4ca 100644
--- a/tempest/api/compute/servers/test_multiple_create_negative.py
+++ b/tempest/api/compute/servers/test_multiple_create_negative.py
@@ -14,48 +14,38 @@
 #    under the License.
 
 from tempest.api.compute import base
-from tempest.common.utils import data_utils
 from tempest.lib import exceptions as lib_exc
 from tempest import test
 
 
 class MultipleCreateNegativeTestJSON(base.BaseV2ComputeTest):
-    _name = 'multiple-create-test'
-
-    def _create_multiple_servers(self, **kwargs):
-        # This is the right way to create_multiple servers and manage to get
-        # the created servers into the servers list to be cleaned up after all.
-        kwargs['name'] = kwargs.get('name', data_utils.rand_name(self._name))
-        body = self.create_test_server(**kwargs)
-
-        return body
 
     @test.attr(type=['negative'])
     @test.idempotent_id('daf29d8d-e928-4a01-9a8c-b129603f3fc0')
     def test_min_count_less_than_one(self):
         invalid_min_count = 0
-        self.assertRaises(lib_exc.BadRequest, self._create_multiple_servers,
+        self.assertRaises(lib_exc.BadRequest, self.create_test_server,
                           min_count=invalid_min_count)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('999aa722-d624-4423-b813-0d1ac9884d7a')
     def test_min_count_non_integer(self):
         invalid_min_count = 2.5
-        self.assertRaises(lib_exc.BadRequest, self._create_multiple_servers,
+        self.assertRaises(lib_exc.BadRequest, self.create_test_server,
                           min_count=invalid_min_count)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('a6f9c2ab-e060-4b82-b23c-4532cb9390ff')
     def test_max_count_less_than_one(self):
         invalid_max_count = 0
-        self.assertRaises(lib_exc.BadRequest, self._create_multiple_servers,
+        self.assertRaises(lib_exc.BadRequest, self.create_test_server,
                           max_count=invalid_max_count)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('9c5698d1-d7af-4c80-b971-9d403135eea2')
     def test_max_count_non_integer(self):
         invalid_max_count = 2.5
-        self.assertRaises(lib_exc.BadRequest, self._create_multiple_servers,
+        self.assertRaises(lib_exc.BadRequest, self.create_test_server,
                           max_count=invalid_max_count)
 
     @test.attr(type=['negative'])
@@ -63,6 +53,6 @@
     def test_max_count_less_than_min_count(self):
         min_count = 3
         max_count = 2
-        self.assertRaises(lib_exc.BadRequest, self._create_multiple_servers,
+        self.assertRaises(lib_exc.BadRequest, self.create_test_server,
                           min_count=min_count,
                           max_count=max_count)
diff --git a/tempest/api/compute/servers/test_server_metadata.py b/tempest/api/compute/servers/test_server_metadata.py
index 9c07677..cb66e81 100644
--- a/tempest/api/compute/servers/test_server_metadata.py
+++ b/tempest/api/compute/servers/test_server_metadata.py
@@ -28,18 +28,17 @@
     @classmethod
     def resource_setup(cls):
         super(ServerMetadataTestJSON, cls).resource_setup()
-        server = cls.create_test_server(metadata={}, wait_until='ACTIVE')
-        cls.server_id = server['id']
+        cls.server = cls.create_test_server(metadata={}, wait_until='ACTIVE')
 
     def setUp(self):
         super(ServerMetadataTestJSON, self).setUp()
         meta = {'key1': 'value1', 'key2': 'value2'}
-        self.client.set_server_metadata(self.server_id, meta)['metadata']
+        self.client.set_server_metadata(self.server['id'], meta)['metadata']
 
     @test.idempotent_id('479da087-92b3-4dcf-aeb3-fd293b2d14ce')
     def test_list_server_metadata(self):
         # All metadata key/value pairs for a server should be returned
-        resp_metadata = (self.client.list_server_metadata(self.server_id)
+        resp_metadata = (self.client.list_server_metadata(self.server['id'])
                          ['metadata'])
 
         # Verify the expected metadata items are in the list
@@ -51,12 +50,12 @@
         # The server's metadata should be replaced with the provided values
         # Create a new set of metadata for the server
         req_metadata = {'meta2': 'data2', 'meta3': 'data3'}
-        self.client.set_server_metadata(self.server_id,
+        self.client.set_server_metadata(self.server['id'],
                                         req_metadata)['metadata']
 
         # Verify the expected values are correct, and that the
         # previous values have been removed
-        resp_metadata = (self.client.list_server_metadata(self.server_id)
+        resp_metadata = (self.client.list_server_metadata(self.server['id'])
                          ['metadata'])
         self.assertEqual(resp_metadata, req_metadata)
 
@@ -65,10 +64,10 @@
         # The server's metadata values should be updated to the
         # provided values
         meta = {'key1': 'alt1', 'key3': 'value3'}
-        self.client.update_server_metadata(self.server_id, meta)
+        self.client.update_server_metadata(self.server['id'], meta)
 
         # Verify the values have been updated to the proper values
-        resp_metadata = (self.client.list_server_metadata(self.server_id)
+        resp_metadata = (self.client.list_server_metadata(self.server['id'])
                          ['metadata'])
         expected = {'key1': 'alt1', 'key2': 'value2', 'key3': 'value3'}
         self.assertEqual(expected, resp_metadata)
@@ -78,8 +77,8 @@
         # The original metadata should not be lost if empty metadata body is
         # passed
         meta = {}
-        self.client.update_server_metadata(self.server_id, meta)
-        resp_metadata = (self.client.list_server_metadata(self.server_id)
+        self.client.update_server_metadata(self.server['id'], meta)
+        resp_metadata = (self.client.list_server_metadata(self.server['id'])
                          ['metadata'])
         expected = {'key1': 'value1', 'key2': 'value2'}
         self.assertEqual(expected, resp_metadata)
@@ -87,7 +86,7 @@
     @test.idempotent_id('3043c57d-7e0e-49a6-9a96-ad569c265e6a')
     def test_get_server_metadata_item(self):
         # The value for a specific metadata key should be returned
-        meta = self.client.show_server_metadata_item(self.server_id,
+        meta = self.client.show_server_metadata_item(self.server['id'],
                                                      'key2')['meta']
         self.assertEqual('value2', meta['key2'])
 
@@ -96,10 +95,10 @@
         # The item's value should be updated to the provided value
         # Update the metadata value
         meta = {'nova': 'alt'}
-        self.client.set_server_metadata_item(self.server_id, 'nova', meta)
+        self.client.set_server_metadata_item(self.server['id'], 'nova', meta)
 
         # Verify the meta item's value has been updated
-        resp_metadata = (self.client.list_server_metadata(self.server_id)
+        resp_metadata = (self.client.list_server_metadata(self.server['id'])
                          ['metadata'])
         expected = {'key1': 'value1', 'key2': 'value2', 'nova': 'alt'}
         self.assertEqual(expected, resp_metadata)
@@ -107,10 +106,10 @@
     @test.idempotent_id('127642d6-4c7b-4486-b7cd-07265a378658')
     def test_delete_server_metadata_item(self):
         # The metadata value/key pair should be deleted from the server
-        self.client.delete_server_metadata_item(self.server_id, 'key1')
+        self.client.delete_server_metadata_item(self.server['id'], 'key1')
 
         # Verify the metadata item has been removed
-        resp_metadata = (self.client.list_server_metadata(self.server_id)
+        resp_metadata = (self.client.list_server_metadata(self.server['id'])
                          ['metadata'])
         expected = {'key2': 'value2'}
         self.assertEqual(expected, resp_metadata)
diff --git a/tempest/api/compute/servers/test_server_metadata_negative.py b/tempest/api/compute/servers/test_server_metadata_negative.py
index cbe70e2..aae9101 100644
--- a/tempest/api/compute/servers/test_server_metadata_negative.py
+++ b/tempest/api/compute/servers/test_server_metadata_negative.py
@@ -31,9 +31,7 @@
     def resource_setup(cls):
         super(ServerMetadataNegativeTestJSON, cls).resource_setup()
         cls.tenant_id = cls.client.tenant_id
-        server = cls.create_test_server(metadata={}, wait_until='ACTIVE')
-
-        cls.server_id = server['id']
+        cls.server = cls.create_test_server(metadata={}, wait_until='ACTIVE')
 
     @test.attr(type=['negative'])
     @test.idempotent_id('fe114a8f-3a57-4eff-9ee2-4e14628df049')
@@ -87,7 +85,7 @@
         meta = {'testkey': 'testvalue'}
         self.assertRaises(lib_exc.BadRequest,
                           self.client.set_server_metadata_item,
-                          self.server_id, 'key', meta)
+                          self.server['id'], 'key', meta)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('0df38c2a-3d4e-4db5-98d8-d4d9fa843a12')
@@ -118,7 +116,7 @@
         meta = {'': 'data1'}
         self.assertRaises(lib_exc.BadRequest,
                           self.client.update_server_metadata,
-                          self.server_id, meta=meta)
+                          self.server['id'], meta=meta)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('6bbd88e1-f8b3-424d-ba10-ae21c45ada8d')
@@ -146,14 +144,14 @@
             req_metadata['key' + str(num)] = 'val' + str(num)
         self.assertRaises((lib_exc.OverLimit, lib_exc.Forbidden),
                           self.client.set_server_metadata,
-                          self.server_id, req_metadata)
+                          self.server['id'], req_metadata)
 
         # A 403 Forbidden or 413 Overlimit (old behaviour) exception
         # will be raised while exceeding metadata items limit for
         # tenant.
         self.assertRaises((lib_exc.Forbidden, lib_exc.OverLimit),
                           self.client.update_server_metadata,
-                          self.server_id, req_metadata)
+                          self.server['id'], req_metadata)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('96100343-7fa9-40d8-80fa-d29ef588ce1c')
@@ -163,7 +161,7 @@
         meta = {'': 'data1'}
         self.assertRaises(lib_exc.BadRequest,
                           self.client.set_server_metadata,
-                          self.server_id, meta=meta)
+                          self.server['id'], meta=meta)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('64a91aee-9723-4863-be44-4c9d9f1e7d0e')
@@ -173,4 +171,4 @@
         meta = {'meta1': 'data1'}
         self.assertRaises(lib_exc.BadRequest,
                           self.client.set_server_metadata,
-                          self.server_id, meta=meta, no_metadata_field=True)
+                          self.server['id'], meta=meta, no_metadata_field=True)
diff --git a/tempest/api/compute/servers/test_virtual_interfaces.py b/tempest/api/compute/servers/test_virtual_interfaces.py
index e620e03..08c34d3 100644
--- a/tempest/api/compute/servers/test_virtual_interfaces.py
+++ b/tempest/api/compute/servers/test_virtual_interfaces.py
@@ -40,8 +40,7 @@
     @classmethod
     def resource_setup(cls):
         super(VirtualInterfacesTestJSON, cls).resource_setup()
-        server = cls.create_test_server(wait_until='ACTIVE')
-        cls.server_id = server['id']
+        cls.server = cls.create_test_server(wait_until='ACTIVE')
 
     @test.idempotent_id('96c4e2ef-5e4d-4d7f-87f5-fed6dca18016')
     @test.services('network')
@@ -53,9 +52,9 @@
             # TODO(mriedem): After a microversion implements the API for
             # neutron, a 400 should be a failure for nova-network and neutron.
             with testtools.ExpectedException(exceptions.BadRequest):
-                self.client.list_virtual_interfaces(self.server_id)
+                self.client.list_virtual_interfaces(self.server['id'])
         else:
-            output = self.client.list_virtual_interfaces(self.server_id)
+            output = self.client.list_virtual_interfaces(self.server['id'])
             self.assertIsNotNone(output)
             virt_ifaces = output
             self.assertNotEqual(0, len(virt_ifaces['virtual_interfaces']),
diff --git a/tempest/api/compute/test_live_block_migration_negative.py b/tempest/api/compute/test_live_block_migration_negative.py
index ffd274f..bd2b185 100644
--- a/tempest/api/compute/test_live_block_migration_negative.py
+++ b/tempest/api/compute/test_live_block_migration_negative.py
@@ -49,9 +49,8 @@
         # Migrating to an invalid host should not change the status
         target_host = data_utils.rand_name('host')
         server = self.create_test_server(wait_until="ACTIVE")
-        server_id = server['id']
 
         self.assertRaises(lib_exc.BadRequest, self._migrate_server_to,
-                          server_id, target_host)
-        waiters.wait_for_server_status(self.servers_client, server_id,
+                          server['id'], target_host)
+        waiters.wait_for_server_status(self.servers_client, server['id'],
                                        'ACTIVE')
diff --git a/tempest/api/network/admin/test_routers_dvr.py b/tempest/api/network/admin/test_routers_dvr.py
index 36cb15f..66feba8 100644
--- a/tempest/api/network/admin/test_routers_dvr.py
+++ b/tempest/api/network/admin/test_routers_dvr.py
@@ -13,6 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import testtools
+
 from tempest.api.network import base_routers as base
 from tempest.common.utils import data_utils
 from tempest import test
@@ -80,6 +82,8 @@
         self.assertFalse(router['router']['distributed'])
 
     @test.idempotent_id('acd43596-c1fb-439d-ada8-31ad48ae3c2e')
+    @testtools.skipUnless(test.is_extension_enabled('l3-ha', 'network'),
+                          'HA routers are not available.')
     def test_centralized_router_update_to_dvr(self):
         """Test centralized router update
 
@@ -95,9 +99,11 @@
         """
         name = data_utils.rand_name('router')
         # router needs to be in admin state down in order to be upgraded to DVR
+        # l3ha routers are not upgradable to dvr, make it explicitly non ha
         router = self.admin_routers_client.create_router(name=name,
                                                          distributed=False,
-                                                         admin_state_up=False)
+                                                         admin_state_up=False,
+                                                         ha=False)
         self.addCleanup(self.admin_routers_client.delete_router,
                         router['router']['id'])
         self.assertFalse(router['router']['distributed'])
diff --git a/tempest/api/network/test_networks.py b/tempest/api/network/test_networks.py
index dadaaba..6b0c20f 100644
--- a/tempest/api/network/test_networks.py
+++ b/tempest/api/network/test_networks.py
@@ -276,29 +276,22 @@
     @test.idempotent_id('f04f61a9-b7f3-4194-90b2-9bcf660d1bfe')
     def test_delete_network_with_subnet(self):
         # Creates a network
-        name = data_utils.rand_name('network-')
-        body = self.networks_client.create_network(name=name)
-        network = body['network']
+        network = self.create_network()
         net_id = network['id']
         self.addCleanup(test_utils.call_and_ignore_notfound_exc,
-                        self.networks_client.delete_network, net_id)
+                        self._delete_network, network)
 
         # Find a cidr that is not in use yet and create a subnet with it
         subnet = self.create_subnet(network)
         subnet_id = subnet['id']
 
         # Delete network while the subnet still exists
-        body = self.networks_client.delete_network(net_id)
+        self.networks_client.delete_network(net_id)
 
         # Verify that the subnet got automatically deleted.
         self.assertRaises(lib_exc.NotFound, self.subnets_client.show_subnet,
                           subnet_id)
 
-        # Since create_subnet adds the subnet to the delete list, and it is
-        # actually deleted here - this will create and issue, hence remove
-        # it from the list.
-        self.subnets.pop()
-
     @test.idempotent_id('d2d596e2-8e76-47a9-ac51-d4648009f4d3')
     def test_create_delete_subnet_without_gateway(self):
         self._create_verify_delete_subnet()
diff --git a/tempest/api/orchestration/stacks/test_templates_negative.py b/tempest/api/orchestration/stacks/test_templates_negative.py
index 24e10dd..f8245c1 100644
--- a/tempest/api/orchestration/stacks/test_templates_negative.py
+++ b/tempest/api/orchestration/stacks/test_templates_negative.py
@@ -27,7 +27,7 @@
     Type: AWS::IAM::User
 """
 
-    invalid_template_url = 'http://www.example.com/template.yaml'
+    invalid_template_url = 'http:///template.yaml'
 
     @classmethod
     def resource_setup(cls):
@@ -57,4 +57,4 @@
 }
 """
 
-    invalid_template_url = 'http://www.example.com/template.template'
+    invalid_template_url = 'http:///template.template'
diff --git a/tempest/api/volume/base.py b/tempest/api/volume/base.py
index 2082f50..b9aeb99 100644
--- a/tempest/api/volume/base.py
+++ b/tempest/api/volume/base.py
@@ -177,7 +177,7 @@
                 pass
 
     def create_server(self, **kwargs):
-        name = kwargs.get(
+        name = kwargs.pop(
             'name',
             data_utils.rand_name(self.__class__.__name__ + '-instance'))
 
diff --git a/tempest/clients.py b/tempest/clients.py
index be6bc02..0158efd 100644
--- a/tempest/clients.py
+++ b/tempest/clients.py
@@ -19,7 +19,6 @@
 
 from tempest.common import negative_rest_client
 from tempest import config
-from tempest import exceptions
 from tempest.lib import auth
 from tempest.lib import exceptions as lib_exc
 from tempest.lib.services import clients
@@ -280,52 +279,33 @@
         # Mandatory parameters (always defined)
         params = self.parameters['volume']
 
-        self.volume_qos_client = volume.v1.QosSpecsClient(self.auth_provider,
-                                                          **params)
-        self.volume_qos_v2_client = volume.v2.QosSpecsClient(
-            self.auth_provider, **params)
-        self.volume_services_client = volume.v1.ServicesClient(
-            self.auth_provider, **params)
-        self.volume_services_v2_client = volume.v2.ServicesClient(
-            self.auth_provider, **params)
-        self.backups_client = volume.v1.BackupsClient(self.auth_provider,
-                                                      **params)
-        self.backups_v2_client = volume.v2.BackupsClient(self.auth_provider,
-                                                         **params)
-        self.encryption_types_client = volume.v1.EncryptionTypesClient(
-            self.auth_provider, **params)
-        self.encryption_types_v2_client = volume.v2.EncryptionTypesClient(
-            self.auth_provider, **params)
-        self.snapshots_client = volume.v1.SnapshotsClient(self.auth_provider,
-                                                          **params)
-        self.snapshots_v2_client = volume.v2.SnapshotsClient(
-            self.auth_provider, **params)
-        self.volumes_client = volume.v1.VolumesClient(self.auth_provider,
-                                                      **params)
-        self.volumes_v2_client = volume.v2.VolumesClient(self.auth_provider,
-                                                         **params)
+        self.volume_qos_client = self.volume_v1.QosSpecsClient()
+        self.volume_qos_v2_client = self.volume_v2.QosSpecsClient()
+        self.volume_services_client = self.volume_v1.ServicesClient()
+        self.volume_services_v2_client = self.volume_v2.ServicesClient()
+        self.backups_client = self.volume_v1.BackupsClient()
+        self.backups_v2_client = self.volume_v2.BackupsClient()
+        self.encryption_types_client = self.volume_v1.EncryptionTypesClient()
+        self.encryption_types_v2_client = \
+            self.volume_v2.EncryptionTypesClient()
+        self.snapshots_client = self.volume_v1.SnapshotsClient()
+        self.snapshots_v2_client = self.volume_v2.SnapshotsClient()
+        self.volumes_client = self.volume_v1.VolumesClient()
+        self.volumes_v2_client = self.volume_v2.VolumesClient()
         self.volume_messages_client = volume.v3.MessagesClient(
             self.auth_provider, **params)
-        self.volume_types_client = volume.v1.TypesClient(self.auth_provider,
-                                                         **params)
-        self.volume_types_v2_client = volume.v2.TypesClient(self.auth_provider,
-                                                            **params)
-        self.volume_hosts_client = volume.v1.HostsClient(self.auth_provider,
-                                                         **params)
-        self.volume_hosts_v2_client = volume.v2.HostsClient(self.auth_provider,
-                                                            **params)
-        self.volume_quotas_client = volume.v1.QuotasClient(self.auth_provider,
-                                                           **params)
-        self.volume_quotas_v2_client = volume.v2.QuotasClient(
-            self.auth_provider, **params)
-        self.volumes_extension_client = volume.v1.ExtensionsClient(
-            self.auth_provider, **params)
-        self.volumes_v2_extension_client = volume.v2.ExtensionsClient(
-            self.auth_provider, **params)
+        self.volume_types_client = self.volume_v1.TypesClient()
+        self.volume_types_v2_client = self.volume_v2.TypesClient()
+        self.volume_hosts_client = self.volume_v1.HostsClient()
+        self.volume_hosts_v2_client = self.volume_v2.HostsClient()
+        self.volume_quotas_client = self.volume_v1.QuotasClient()
+        self.volume_quotas_v2_client = self.volume_v2.QuotasClient()
+        self.volumes_extension_client = self.volume_v1.ExtensionsClient()
+        self.volumes_v2_extension_client = self.volume_v2.ExtensionsClient()
         self.volume_availability_zone_client = \
-            volume.v1.AvailabilityZoneClient(self.auth_provider, **params)
+            self.volume_v1.AvailabilityZoneClient()
         self.volume_v2_availability_zone_client = \
-            volume.v2.AvailabilityZoneClient(self.auth_provider, **params)
+            self.volume_v2.AvailabilityZoneClient()
 
     def _set_object_storage_clients(self):
         # Mandatory parameters (always defined)
@@ -350,7 +330,7 @@
     # kwargs for auth provider match the common ones used by service clients
     default_params = config.service_client_config()
     if credentials is None:
-        raise exceptions.InvalidCredentials(
+        raise lib_exc.InvalidCredentials(
             'Credentials must be specified')
     auth_provider_class, auth_url = get_auth_provider_class(
         credentials)
diff --git a/tempest/common/utils/net_utils.py b/tempest/common/utils/net_utils.py
index f0d3da3..867b3dd 100644
--- a/tempest/common/utils/net_utils.py
+++ b/tempest/common/utils/net_utils.py
@@ -51,3 +51,23 @@
                 return addrs
     msg = "Insufficient IP addresses available"
     raise lib_exc.BadRequest(message=msg)
+
+
+def get_ping_payload_size(mtu, ip_version):
+    """Return the maximum size of ping payload that will fit into MTU."""
+    if not mtu:
+        return None
+    if ip_version == 4:
+        ip_header = 20
+        icmp_header = 8
+    else:
+        ip_header = 40
+        icmp_header = 4
+    res = mtu - ip_header - icmp_header
+    if res < 0:
+        raise lib_exc.BadRequest(
+            message='MTU = %(mtu)d is too low for IPv%(ip_version)d' % {
+                'mtu': mtu,
+                'ip_version': ip_version,
+            })
+    return res
diff --git a/tempest/lib/services/clients.py b/tempest/lib/services/clients.py
index adf666b..2e5c457 100644
--- a/tempest/lib/services/clients.py
+++ b/tempest/lib/services/clients.py
@@ -25,6 +25,7 @@
 from tempest.lib.services import compute
 from tempest.lib.services import image
 from tempest.lib.services import network
+from tempest.lib.services import volume
 
 
 LOG = logging.getLogger(__name__)
@@ -40,7 +41,9 @@
         'compute': compute,
         'image.v1': image.v1,
         'image.v2': image.v2,
-        'network': network
+        'network': network,
+        'volume.v1': volume.v1,
+        'volume.v2': volume.v2
     }
 
 
@@ -49,8 +52,7 @@
     # NOTE(andreaf) This list will exists only as long the remain clients
     # are migrated to tempest.lib, and it will then be deleted without
     # deprecation or advance notice
-    return set(['identity.v2', 'identity.v3', 'object-storage', 'volume.v1',
-                'volume.v2', 'volume.v3'])
+    return set(['identity.v2', 'identity.v3', 'object-storage', 'volume.v3'])
 
 
 def available_modules():
diff --git a/tempest/lib/services/compute/agents_client.py b/tempest/lib/services/compute/agents_client.py
index 3f05d3b..169d978 100644
--- a/tempest/lib/services/compute/agents_client.py
+++ b/tempest/lib/services/compute/agents_client.py
@@ -26,8 +26,9 @@
     def list_agents(self, **params):
         """List all agent builds.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#listbuilds
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#listbuilds
         """
         url = 'os-agents'
         if params:
@@ -40,8 +41,9 @@
     def create_agent(self, **kwargs):
         """Create an agent build.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#agentbuild
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#agentbuild
         """
         post_body = json.dumps({'agent': kwargs})
         resp, body = self.post('os-agents', post_body)
@@ -52,8 +54,9 @@
     def delete_agent(self, agent_id):
         """Delete an existing agent build.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#deleteBuild
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#deleteBuild
         """
         resp, body = self.delete("os-agents/%s" % agent_id)
         self.validate_response(schema.delete_agent, resp, body)
@@ -62,8 +65,9 @@
     def update_agent(self, agent_id, **kwargs):
         """Update an agent build.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#updatebuild
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#updatebuild
         """
         put_body = json.dumps({'para': kwargs})
         resp, body = self.put('os-agents/%s' % agent_id, put_body)
diff --git a/tempest/lib/services/compute/aggregates_client.py b/tempest/lib/services/compute/aggregates_client.py
index 7ad14bc..c1a6c8c 100644
--- a/tempest/lib/services/compute/aggregates_client.py
+++ b/tempest/lib/services/compute/aggregates_client.py
@@ -40,8 +40,9 @@
     def create_aggregate(self, **kwargs):
         """Create a new aggregate.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#createAggregate
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#createAggregate
         """
         post_body = json.dumps({'aggregate': kwargs})
         resp, body = self.post('os-aggregates', post_body)
@@ -53,8 +54,9 @@
     def update_aggregate(self, aggregate_id, **kwargs):
         """Update an aggregate.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#updateAggregate
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#updateAggregate
         """
         put_body = json.dumps({'aggregate': kwargs})
         resp, body = self.put('os-aggregates/%s' % aggregate_id, put_body)
@@ -84,8 +86,9 @@
     def add_host(self, aggregate_id, **kwargs):
         """Add a host to the given aggregate.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#addHost
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#addHost
         """
         post_body = json.dumps({'add_host': kwargs})
         resp, body = self.post('os-aggregates/%s/action' % aggregate_id,
@@ -97,8 +100,9 @@
     def remove_host(self, aggregate_id, **kwargs):
         """Remove a host from the given aggregate.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#removeAggregateHost
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#removeAggregateHost
         """
         post_body = json.dumps({'remove_host': kwargs})
         resp, body = self.post('os-aggregates/%s/action' % aggregate_id,
@@ -110,8 +114,9 @@
     def set_metadata(self, aggregate_id, **kwargs):
         """Replace the aggregate's existing metadata with new metadata.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#addAggregateMetadata
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#addAggregateMetadata
         """
         post_body = json.dumps({'set_metadata': kwargs})
         resp, body = self.post('os-aggregates/%s/action' % aggregate_id,
diff --git a/tempest/lib/services/compute/fixed_ips_client.py b/tempest/lib/services/compute/fixed_ips_client.py
index c25ac2c..682ee86 100644
--- a/tempest/lib/services/compute/fixed_ips_client.py
+++ b/tempest/lib/services/compute/fixed_ips_client.py
@@ -32,8 +32,9 @@
     def reserve_fixed_ip(self, fixed_ip, **kwargs):
         """Reserve/Unreserve a fixed IP.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#reserveIP
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#reserveIP
         """
         url = "os-fixed-ips/%s/action" % fixed_ip
         resp, body = self.post(url, json.dumps(kwargs))
diff --git a/tempest/lib/services/compute/flavors_client.py b/tempest/lib/services/compute/flavors_client.py
index ae1700c..4d1044b 100644
--- a/tempest/lib/services/compute/flavors_client.py
+++ b/tempest/lib/services/compute/flavors_client.py
@@ -30,8 +30,9 @@
     def list_flavors(self, detail=False, **params):
         """Lists flavors.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#listFlavors
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#listFlavors
         """
         url = 'flavors'
         _schema = schema.list_flavors
@@ -50,8 +51,9 @@
     def show_flavor(self, flavor_id):
         """Shows details for a flavor.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#showFlavor
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#showFlavor
         """
         resp, body = self.get("flavors/%s" % flavor_id)
         body = json.loads(body)
@@ -61,8 +63,9 @@
     def create_flavor(self, **kwargs):
         """Create a new flavor or instance type.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#createFlavor
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#createFlavor
         """
         if kwargs.get('ephemeral'):
             kwargs['OS-FLV-EXT-DATA:ephemeral'] = kwargs.pop('ephemeral')
@@ -79,8 +82,9 @@
     def delete_flavor(self, flavor_id):
         """Delete the given flavor.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#deleteFlavor
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#deleteFlavor
         """
         resp, body = self.delete("flavors/{0}".format(flavor_id))
         self.validate_response(schema.delete_flavor, resp, body)
@@ -104,8 +108,9 @@
     def set_flavor_extra_spec(self, flavor_id, **kwargs):
         """Set extra Specs to the mentioned flavor.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#createFlavorExtraSpec
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#createFlavorExtraSpec
         """
         post_body = json.dumps({'extra_specs': kwargs})
         resp, body = self.post('flavors/%s/os-extra_specs' % flavor_id,
@@ -118,8 +123,9 @@
     def list_flavor_extra_specs(self, flavor_id):
         """Get extra Specs details of the mentioned flavor.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#listFlavorExtraSpecs
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#listFlavorExtraSpecs
         """
         resp, body = self.get('flavors/%s/os-extra_specs' % flavor_id)
         body = json.loads(body)
@@ -130,8 +136,9 @@
     def show_flavor_extra_spec(self, flavor_id, key):
         """Get extra Specs key-value of the mentioned flavor and key.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#showFlavorExtraSpec
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#showFlavorExtraSpec
         """
         resp, body = self.get('flavors/%s/os-extra_specs/%s' % (flavor_id,
                               key))
@@ -144,8 +151,9 @@
     def update_flavor_extra_spec(self, flavor_id, key, **kwargs):
         """Update specified extra Specs of the mentioned flavor and key.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#updateFlavorExtraSpec
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#updateFlavorExtraSpec
         """
         resp, body = self.put('flavors/%s/os-extra_specs/%s' %
                               (flavor_id, key), json.dumps(kwargs))
@@ -160,8 +168,9 @@
         #       to keep backwards compatibility.
         """Unset extra Specs from the mentioned flavor.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#deleteFlavorExtraSpec
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#deleteFlavorExtraSpec
         """
         resp, body = self.delete('flavors/%s/os-extra_specs/%s' %
                                  (flavor_id, key))
@@ -171,8 +180,9 @@
     def list_flavor_access(self, flavor_id):
         """Get flavor access information given the flavor id.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#listFlavorAccess
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#listFlavorAccess
         """
         resp, body = self.get('flavors/%s/os-flavor-access' % flavor_id)
         body = json.loads(body)
@@ -183,8 +193,9 @@
     def add_flavor_access(self, flavor_id, tenant_id):
         """Add flavor access for the specified tenant.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#addFlavorAccess
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#addFlavorAccess
         """
         post_body = {
             'addTenantAccess': {
@@ -201,8 +212,9 @@
     def remove_flavor_access(self, flavor_id, tenant_id):
         """Remove flavor access from the specified tenant.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#removeFlavorAccess
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#removeFlavorAccess
         """
         post_body = {
             'removeTenantAccess': {
diff --git a/tempest/lib/services/compute/floating_ips_client.py b/tempest/lib/services/compute/floating_ips_client.py
index 6922c48..744e14c 100644
--- a/tempest/lib/services/compute/floating_ips_client.py
+++ b/tempest/lib/services/compute/floating_ips_client.py
@@ -27,8 +27,9 @@
     def list_floating_ips(self, **params):
         """Returns a list of all floating IPs filtered by any parameters.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#listfloatingipsObject
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#listfloatingipsObject
         """
         url = 'os-floating-ips'
         if params:
@@ -42,8 +43,9 @@
     def show_floating_ip(self, floating_ip_id):
         """Get the details of a floating IP.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#showFloatingIP
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#showFloatingIP
         """
         url = "os-floating-ips/%s" % floating_ip_id
         resp, body = self.get(url)
@@ -54,8 +56,9 @@
     def create_floating_ip(self, **kwargs):
         """Allocate a floating IP to the project.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#createFloatingIP
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#createFloatingIP
         """
         url = 'os-floating-ips'
         post_body = json.dumps(kwargs)
@@ -67,8 +70,9 @@
     def delete_floating_ip(self, floating_ip_id):
         """Deletes the provided floating IP from the project.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#deleteFloatingIP
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#deleteFloatingIP
         """
         url = "os-floating-ips/%s" % floating_ip_id
         resp, body = self.delete(url)
diff --git a/tempest/lib/services/compute/security_group_default_rules_client.py b/tempest/lib/services/compute/security_group_default_rules_client.py
index d57c8e0..e2d3c98 100644
--- a/tempest/lib/services/compute/security_group_default_rules_client.py
+++ b/tempest/lib/services/compute/security_group_default_rules_client.py
@@ -26,9 +26,9 @@
     def create_security_default_group_rule(self, **kwargs):
         """Create security group default rule.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html
-                              #createSecGroupDefaultRule
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#createSecGroupDefaultRule
         """
         post_body = json.dumps({'security_group_default_rule': kwargs})
         url = 'os-security-group-default-rules'
diff --git a/tempest/lib/services/compute/security_group_rules_client.py b/tempest/lib/services/compute/security_group_rules_client.py
index c969b81..3121e24 100644
--- a/tempest/lib/services/compute/security_group_rules_client.py
+++ b/tempest/lib/services/compute/security_group_rules_client.py
@@ -26,8 +26,9 @@
     def create_security_group_rule(self, **kwargs):
         """Create a new security group rule.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#createSecGroupRule
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#createSecGroupRule
         """
         post_body = json.dumps({'security_group_rule': kwargs})
         url = 'os-security-group-rules'
diff --git a/tempest/lib/services/compute/security_groups_client.py b/tempest/lib/services/compute/security_groups_client.py
index 386c214..a247346 100644
--- a/tempest/lib/services/compute/security_groups_client.py
+++ b/tempest/lib/services/compute/security_groups_client.py
@@ -28,8 +28,9 @@
     def list_security_groups(self, **params):
         """List all security groups for a user.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#listSecGroups
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#listSecGroups
         """
 
         url = 'os-security-groups'
@@ -44,8 +45,9 @@
     def show_security_group(self, security_group_id):
         """Get the details of a Security Group.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#showSecGroup
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#showSecGroup
         """
         url = "os-security-groups/%s" % security_group_id
         resp, body = self.get(url)
@@ -56,8 +58,9 @@
     def create_security_group(self, **kwargs):
         """Create a new security group.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#createSecGroup
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#createSecGroup
         """
         post_body = json.dumps({'security_group': kwargs})
         resp, body = self.post('os-security-groups', post_body)
@@ -68,8 +71,9 @@
     def update_security_group(self, security_group_id, **kwargs):
         """Update a security group.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#updateSecGroup
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#updateSecGroup
         """
         post_body = json.dumps({'security_group': kwargs})
         resp, body = self.put('os-security-groups/%s' % security_group_id,
@@ -81,8 +85,9 @@
     def delete_security_group(self, security_group_id):
         """Delete the provided Security Group.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#deleteSecGroup
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#deleteSecGroup
         """
         resp, body = self.delete(
             'os-security-groups/%s' % security_group_id)
diff --git a/tempest/lib/services/compute/server_groups_client.py b/tempest/lib/services/compute/server_groups_client.py
index e370457..9ba8d38 100644
--- a/tempest/lib/services/compute/server_groups_client.py
+++ b/tempest/lib/services/compute/server_groups_client.py
@@ -26,8 +26,9 @@
     def create_server_group(self, **kwargs):
         """Create the server group.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#createServerGroup
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#createServerGroup
         """
         post_body = json.dumps({'server_group': kwargs})
         resp, body = self.post('os-server-groups', post_body)
diff --git a/tempest/lib/services/compute/servers_client.py b/tempest/lib/services/compute/servers_client.py
index d5902e1..24557d8 100644
--- a/tempest/lib/services/compute/servers_client.py
+++ b/tempest/lib/services/compute/servers_client.py
@@ -92,8 +92,9 @@
     def update_server(self, server_id, **kwargs):
         """Update server.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#updateServer
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#updateServer
 
         Most parameters except the following are passed to the API without
         any changes.
@@ -112,8 +113,9 @@
     def show_server(self, server_id):
         """Get server details.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#showServer
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#showServer
         """
         resp, body = self.get("servers/%s" % server_id)
         body = json.loads(body)
@@ -124,8 +126,9 @@
     def delete_server(self, server_id):
         """Delete server.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#deleteServer
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#deleteServer
         """
         resp, body = self.delete("servers/%s" % server_id)
         self.validate_response(schema.delete_server, resp, body)
@@ -134,10 +137,10 @@
     def list_servers(self, detail=False, **params):
         """List servers.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#listServers
-                          and http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#listDetailServers
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#listServers
+        http://developer.openstack.org/api-ref-compute-v2.1.html#listDetailServers
         """
 
         url = 'servers'
@@ -158,8 +161,9 @@
     def list_addresses(self, server_id):
         """Lists all addresses for a server.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#list-ips
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#list-ips
         """
         resp, body = self.get("servers/%s/ips" % server_id)
         body = json.loads(body)
@@ -188,16 +192,18 @@
     def create_backup(self, server_id, **kwargs):
         """Backup a server instance.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#createBackup
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#createBackup
         """
         return self.action(server_id, "createBackup", **kwargs)
 
     def change_password(self, server_id, **kwargs):
         """Change the root password for the server.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#changePassword
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#changePassword
         """
         return self.action(server_id, 'changePassword', **kwargs)
 
@@ -223,16 +229,18 @@
     def reboot_server(self, server_id, **kwargs):
         """Reboot a server.
 
-        Available params: http://developer.openstack.org/
-                          api-ref-compute-v2.1.html#reboot
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#reboot
         """
         return self.action(server_id, 'reboot', **kwargs)
 
     def rebuild_server(self, server_id, image_ref, **kwargs):
         """Rebuild a server with a new image.
 
-        Available params: http://developer.openstack.org/
-                          api-ref-compute-v2.1.html#rebuild
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#rebuild
 
         Most parameters except the following are passed to the API without
         any changes.
@@ -252,8 +260,9 @@
     def resize_server(self, server_id, flavor_ref, **kwargs):
         """Change the flavor of a server.
 
-        Available params: http://developer.openstack.org/
-                          api-ref-compute-v2.1.html#resize
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#resize
 
         Most parameters except the following are passed to the API without
         any changes.
@@ -267,8 +276,9 @@
     def confirm_resize_server(self, server_id, **kwargs):
         """Confirm the flavor change for a server.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#confirmResize
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#confirmResize
         """
         return self.action(server_id, 'confirmResize',
                            schema.server_actions_confirm_resize,
@@ -277,16 +287,18 @@
     def revert_resize_server(self, server_id, **kwargs):
         """Revert a server back to its original flavor.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#revertResize
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#revertResize
         """
         return self.action(server_id, 'revertResize', **kwargs)
 
     def list_server_metadata(self, server_id):
         """Lists all metadata for a server.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#listServerMetadata
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#listServerMetadata
         """
         resp, body = self.get("servers/%s/metadata" % server_id)
         body = json.loads(body)
@@ -296,8 +308,9 @@
     def set_server_metadata(self, server_id, meta, no_metadata_field=False):
         """Sets one or more metadata items for a server.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#createServerMetadata
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#createServerMetadata
         """
         if no_metadata_field:
             post_body = ""
@@ -312,8 +325,9 @@
     def update_server_metadata(self, server_id, meta):
         """Updates one or more metadata items for a server.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#updateServerMetadata
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#updateServerMetadata
         """
         post_body = json.dumps({'metadata': meta})
         resp, body = self.post('servers/%s/metadata' % server_id,
@@ -326,8 +340,9 @@
     def show_server_metadata_item(self, server_id, key):
         """Shows details for a metadata item, by key, for a server.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#showServerMetadataItem
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#showServerMetadataItem
         """
         resp, body = self.get("servers/%s/metadata/%s" % (server_id, key))
         body = json.loads(body)
@@ -338,8 +353,9 @@
     def set_server_metadata_item(self, server_id, key, meta):
         """Sets a metadata item, by key, for a server.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#setServerMetadataItem
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#setServerMetadataItem
         """
         post_body = json.dumps({'meta': meta})
         resp, body = self.put('servers/%s/metadata/%s' % (server_id, key),
@@ -352,8 +368,9 @@
     def delete_server_metadata_item(self, server_id, key):
         """Deletes a metadata item, by key, from a server.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#deleteServerMetadataItem
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#deleteServerMetadataItem
         """
         resp, body = self.delete("servers/%s/metadata/%s" %
                                  (server_id, key))
@@ -364,24 +381,27 @@
     def stop_server(self, server_id, **kwargs):
         """Stops a running server and changes its status to SHUTOFF.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#stop
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#stop
         """
         return self.action(server_id, 'os-stop', **kwargs)
 
     def start_server(self, server_id, **kwargs):
         """Starts a stopped server and changes its status to ACTIVE.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#start
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#start
         """
         return self.action(server_id, 'os-start', **kwargs)
 
     def attach_volume(self, server_id, **kwargs):
         """Attaches a volume to a server instance.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#attachVolume
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#attachVolume
         """
         post_body = json.dumps({'volumeAttachment': kwargs})
         resp, body = self.post('servers/%s/os-volume_attachments' % server_id,
@@ -402,8 +422,9 @@
     def detach_volume(self, server_id, volume_id):  # noqa
         """Detaches a volume from a server instance.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#deleteVolumeAttachment
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#deleteVolumeAttachment
         """
         resp, body = self.delete('servers/%s/os-volume_attachments/%s' %
                                  (server_id, volume_id))
@@ -413,9 +434,9 @@
     def show_volume_attachment(self, server_id, volume_id):
         """Return details about the given volume attachment.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#
-                              getVolumeAttachmentDetails
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#getVolumeAttachmentDetails
         """
         resp, body = self.get('servers/%s/os-volume_attachments/%s' % (
             server_id, volume_id))
@@ -426,8 +447,9 @@
     def list_volume_attachments(self, server_id):
         """Returns the list of volume attachments for a given instance.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#listVolumeAttachments
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#listVolumeAttachments
         """
         resp, body = self.get('servers/%s/os-volume_attachments' % (
             server_id))
@@ -438,8 +460,9 @@
     def add_security_group(self, server_id, **kwargs):
         """Add a security group to the server.
 
-        Available params: http://developer.openstack.org/
-                          api-ref-compute-v2.1.html#addSecurityGroup
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#addSecurityGroup
         """
         # TODO(oomichi): The api-site doesn't contain this API description.
         # So the above should be changed to the api-site link after
@@ -450,8 +473,9 @@
     def remove_security_group(self, server_id, **kwargs):
         """Remove a security group from the server.
 
-        Available params: http://developer.openstack.org/
-                          api-ref-compute-v2.1.html#removeSecurityGroup
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#removeSecurityGroup
         """
         # TODO(oomichi): The api-site doesn't contain this API description.
         # So the above should be changed to the api-site link after
@@ -462,104 +486,117 @@
     def live_migrate_server(self, server_id, **kwargs):
         """This should be called with administrator privileges.
 
-        Available params: http://developer.openstack.org/
-                          api-ref-compute-v2.1.html#migrateLive
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#migrateLive
         """
         return self.action(server_id, 'os-migrateLive', **kwargs)
 
     def migrate_server(self, server_id, **kwargs):
         """Migrate a server to a new host.
 
-        Available params: http://developer.openstack.org/
-                          api-ref-compute-v2.1.html#migrate
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#migrate
         """
         return self.action(server_id, 'migrate', **kwargs)
 
     def lock_server(self, server_id, **kwargs):
         """Lock the given server.
 
-        Available params: http://developer.openstack.org/
-                          api-ref-compute-v2.1.html#lock
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#lock
         """
         return self.action(server_id, 'lock', **kwargs)
 
     def unlock_server(self, server_id, **kwargs):
         """UNlock the given server.
 
-        Available params: http://developer.openstack.org/
-                          api-ref-compute-v2.1.html#unlock
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#unlock
         """
         return self.action(server_id, 'unlock', **kwargs)
 
     def suspend_server(self, server_id, **kwargs):
         """Suspend the provided server.
 
-        Available params: http://developer.openstack.org/
-                          api-ref-compute-v2.1.html#suspend
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#suspend
         """
         return self.action(server_id, 'suspend', **kwargs)
 
     def resume_server(self, server_id, **kwargs):
         """Un-suspend the provided server.
 
-        Available params: http://developer.openstack.org/
-                          api-ref-compute-v2.1.html#resume
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#resume
         """
         return self.action(server_id, 'resume', **kwargs)
 
     def pause_server(self, server_id, **kwargs):
         """Pause the provided server.
 
-        Available params: http://developer.openstack.org/
-                          api-ref-compute-v2.1.html#pause
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#pause
         """
         return self.action(server_id, 'pause', **kwargs)
 
     def unpause_server(self, server_id, **kwargs):
         """Un-pause the provided server.
 
-        Available params: http://developer.openstack.org/
-                          api-ref-compute-v2.1.html#unpause
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#unpause
         """
         return self.action(server_id, 'unpause', **kwargs)
 
     def reset_state(self, server_id, **kwargs):
         """Reset the state of a server to active/error.
 
-        Available params: http://developer.openstack.org/
-                          api-ref-compute-v2.1.html#resetState
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#resetState
         """
         return self.action(server_id, 'os-resetState', **kwargs)
 
     def shelve_server(self, server_id, **kwargs):
         """Shelve the provided server.
 
-        Available params: http://developer.openstack.org/
-                          api-ref-compute-v2.1.html#shelve
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#shelve
         """
         return self.action(server_id, 'shelve', **kwargs)
 
     def unshelve_server(self, server_id, **kwargs):
         """Un-shelve the provided server.
 
-        Available params: http://developer.openstack.org/
-                          api-ref-compute-v2.1.html#unshelve
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#unshelve
         """
         return self.action(server_id, 'unshelve', **kwargs)
 
     def shelve_offload_server(self, server_id, **kwargs):
         """Shelve-offload the provided server.
 
-        Available params: http://developer.openstack.org/
-                          api-ref-compute-v2.1.html#shelveOffload
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#shelveOffload
         """
         return self.action(server_id, 'shelveOffload', **kwargs)
 
     def get_console_output(self, server_id, **kwargs):
         """Get console output.
 
-        Available params: http://developer.openstack.org/
-                          api-ref-compute-v2.1.html#getConsoleOutput
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#getConsoleOutput
         """
         return self.action(server_id, 'os-getConsoleOutput',
                            schema.get_console_output, **kwargs)
@@ -575,16 +612,18 @@
     def rescue_server(self, server_id, **kwargs):
         """Rescue the provided server.
 
-        Available params: http://developer.openstack.org/
-                          api-ref-compute-v2.1.html#rescue
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#rescue
         """
         return self.action(server_id, 'rescue', schema.rescue_server, **kwargs)
 
     def unrescue_server(self, server_id):
         """Unrescue the provided server.
 
-        Available params: http://developer.openstack.org/
-                          api-ref-compute-v2.1.html#unrescue
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#unrescue
         """
         return self.action(server_id, 'unrescue')
 
@@ -612,40 +651,45 @@
     def force_delete_server(self, server_id, **kwargs):
         """Force delete a server.
 
-        Available params: http://developer.openstack.org/
-                          api-ref-compute-v2.1.html#forceDelete
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#forceDelete
         """
         return self.action(server_id, 'forceDelete', **kwargs)
 
     def restore_soft_deleted_server(self, server_id, **kwargs):
         """Restore a soft-deleted server.
 
-        Available params: http://developer.openstack.org/
-                          api-ref-compute-v2.1.html#restore
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#restore
         """
         return self.action(server_id, 'restore', **kwargs)
 
     def reset_network(self, server_id, **kwargs):
         """Reset the Network of a server.
 
-        Available params: http://developer.openstack.org/
-                          api-ref-compute-v2.1.html#resetNetwork
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#resetNetwork
         """
         return self.action(server_id, 'resetNetwork', **kwargs)
 
     def inject_network_info(self, server_id, **kwargs):
         """Inject the Network Info into server.
 
-        Available params: http://developer.openstack.org/
-                          api-ref-compute-v2.1.html#injectNetworkInfo
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#injectNetworkInfo
         """
         return self.action(server_id, 'injectNetworkInfo', **kwargs)
 
     def get_vnc_console(self, server_id, **kwargs):
         """Get URL of VNC console.
 
-        Available params: http://developer.openstack.org/
-                          api-ref-compute-v2.1.html#getVNCConsole
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#getVNCConsole
         """
         return self.action(server_id, "os-getVNCConsole",
                            schema.get_vnc_console, **kwargs)
@@ -653,15 +697,17 @@
     def add_fixed_ip(self, server_id, **kwargs):
         """Add a fixed IP to server instance.
 
-        Available params: http://developer.openstack.org/
-                          api-ref-compute-v2.1.html#addFixedIp
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#addFixedIp
         """
         return self.action(server_id, 'addFixedIp', **kwargs)
 
     def remove_fixed_ip(self, server_id, **kwargs):
         """Remove input fixed IP from input server instance.
 
-        Available params: http://developer.openstack.org/
-                          api-ref-compute-v2.1.html#removeFixedIp
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#removeFixedIp
         """
         return self.action(server_id, 'removeFixedIp', **kwargs)
diff --git a/tempest/lib/services/compute/services_client.py b/tempest/lib/services/compute/services_client.py
index b6dbe28..0dbd1b2 100644
--- a/tempest/lib/services/compute/services_client.py
+++ b/tempest/lib/services/compute/services_client.py
@@ -27,8 +27,9 @@
     def list_services(self, **params):
         """Lists all running Compute services for a tenant.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#listServices
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#listServices
         """
         url = 'os-services'
         if params:
@@ -42,8 +43,9 @@
     def enable_service(self, **kwargs):
         """Enable service on a host.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#enableScheduling
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#enableScheduling
         """
         post_body = json.dumps(kwargs)
         resp, body = self.put('os-services/enable', post_body)
@@ -54,8 +56,9 @@
     def disable_service(self, **kwargs):
         """Disable service on a host.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#disableScheduling
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#disableScheduling
         """
         post_body = json.dumps(kwargs)
         resp, body = self.put('os-services/disable', post_body)
diff --git a/tempest/lib/services/compute/snapshots_client.py b/tempest/lib/services/compute/snapshots_client.py
index be41957..fde5288 100644
--- a/tempest/lib/services/compute/snapshots_client.py
+++ b/tempest/lib/services/compute/snapshots_client.py
@@ -27,8 +27,9 @@
     def create_snapshot(self, volume_id, **kwargs):
         """Create a snapshot.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#createSnapshot
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#createSnapshot
         """
         post_body = {
             'volume_id': volume_id
diff --git a/tempest/lib/services/compute/volumes_client.py b/tempest/lib/services/compute/volumes_client.py
index 2787779..b75f22e 100644
--- a/tempest/lib/services/compute/volumes_client.py
+++ b/tempest/lib/services/compute/volumes_client.py
@@ -27,8 +27,9 @@
     def list_volumes(self, detail=False, **params):
         """List all the volumes created.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#listVolumes
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#listVolumes
         """
         url = 'os-volumes'
 
@@ -45,8 +46,9 @@
     def show_volume(self, volume_id):
         """Return the details of a single volume.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#showVolume
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#showVolume
         """
         url = "os-volumes/%s" % volume_id
         resp, body = self.get(url)
@@ -57,8 +59,9 @@
     def create_volume(self, **kwargs):
         """Create a new Volume.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#createVolume
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#createVolume
         """
         post_body = json.dumps({'volume': kwargs})
         resp, body = self.post('os-volumes', post_body)
@@ -69,8 +72,9 @@
     def delete_volume(self, volume_id):
         """Delete the Specified Volume.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#deleteVolume
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref-compute-v2.1.html#deleteVolume
         """
         resp, body = self.delete("os-volumes/%s" % volume_id)
         self.validate_response(schema.delete_volume, resp, body)
diff --git a/tempest/lib/services/volume/__init__.py b/tempest/lib/services/volume/__init__.py
index e69de29..11da06c 100644
--- a/tempest/lib/services/volume/__init__.py
+++ b/tempest/lib/services/volume/__init__.py
@@ -0,0 +1,18 @@
+# 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.volume import v1
+from tempest.lib.services.volume import v2
+
+__all__ = ['v1', 'v2']
diff --git a/tempest/lib/services/volume/v1/__init__.py b/tempest/lib/services/volume/v1/__init__.py
index e69de29..9c98542 100644
--- a/tempest/lib/services/volume/v1/__init__.py
+++ b/tempest/lib/services/volume/v1/__init__.py
@@ -0,0 +1,31 @@
+# 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.volume.v1.availability_zone_client \
+    import AvailabilityZoneClient
+from tempest.lib.services.volume.v1.backups_client import BackupsClient
+from tempest.lib.services.volume.v1.encryption_types_client import \
+    EncryptionTypesClient
+from tempest.lib.services.volume.v1.extensions_client import ExtensionsClient
+from tempest.lib.services.volume.v1.hosts_client import HostsClient
+from tempest.lib.services.volume.v1.qos_client import QosSpecsClient
+from tempest.lib.services.volume.v1.quotas_client import QuotasClient
+from tempest.lib.services.volume.v1.services_client import ServicesClient
+from tempest.lib.services.volume.v1.snapshots_client import SnapshotsClient
+from tempest.lib.services.volume.v1.types_client import TypesClient
+from tempest.lib.services.volume.v1.volumes_client import VolumesClient
+
+__all__ = ['AvailabilityZoneClient', 'BackupsClient', 'EncryptionTypesClient',
+           'ExtensionsClient', 'HostsClient', 'QosSpecsClient', 'QuotasClient',
+           'ServicesClient', 'SnapshotsClient', 'TypesClient', 'VolumesClient']
diff --git a/tempest/lib/services/volume/v2/__init__.py b/tempest/lib/services/volume/v2/__init__.py
index e69de29..f547d7d 100644
--- a/tempest/lib/services/volume/v2/__init__.py
+++ b/tempest/lib/services/volume/v2/__init__.py
@@ -0,0 +1,31 @@
+# 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.volume.v2.availability_zone_client \
+    import AvailabilityZoneClient
+from tempest.lib.services.volume.v2.backups_client import BackupsClient
+from tempest.lib.services.volume.v2.encryption_types_client import \
+    EncryptionTypesClient
+from tempest.lib.services.volume.v2.extensions_client import ExtensionsClient
+from tempest.lib.services.volume.v2.hosts_client import HostsClient
+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.services_client import ServicesClient
+from tempest.lib.services.volume.v2.snapshots_client import SnapshotsClient
+from tempest.lib.services.volume.v2.types_client import TypesClient
+from tempest.lib.services.volume.v2.volumes_client import VolumesClient
+
+__all__ = ['AvailabilityZoneClient', 'BackupsClient', 'EncryptionTypesClient',
+           'ExtensionsClient', 'HostsClient', 'QosSpecsClient', 'QuotasClient',
+           'ServicesClient', 'SnapshotsClient', 'TypesClient', 'VolumesClient']
diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index 6ec30b8..dd1adc7 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -26,6 +26,7 @@
 from tempest.common import image as common_image
 from tempest.common.utils import data_utils
 from tempest.common.utils.linux import remote_client
+from tempest.common.utils import net_utils
 from tempest.common import waiters
 from tempest import config
 from tempest import exceptions
@@ -495,9 +496,18 @@
                                            server_id, 'ACTIVE')
 
     def ping_ip_address(self, ip_address, should_succeed=True,
-                        ping_timeout=None):
+                        ping_timeout=None, mtu=None):
         timeout = ping_timeout or CONF.validation.ping_timeout
-        cmd = ['ping', '-c1', '-w1', ip_address]
+        cmd = ['ping', '-c1', '-w1']
+
+        if mtu:
+            cmd += [
+                # don't fragment
+                '-M', 'do',
+                # ping receives just the size of ICMP payload
+                '-s', str(net_utils.get_ping_payload_size(mtu, 4))
+            ]
+        cmd.append(ip_address)
 
         def ping():
             proc = subprocess.Popen(cmd,
@@ -525,7 +535,8 @@
     def check_vm_connectivity(self, ip_address,
                               username=None,
                               private_key=None,
-                              should_connect=True):
+                              should_connect=True,
+                              mtu=None):
         """Check server connectivity
 
         :param ip_address: server to test against
@@ -534,6 +545,7 @@
         :param should_connect: True/False indicates positive/negative test
             positive - attempt ping and ssh
             negative - attempt ping and fail if succeed
+        :param mtu: network MTU to use for connectivity validation
 
         :raises: AssertError if the result of the connectivity check does
             not match the value of the should_connect param
@@ -543,7 +555,8 @@
         else:
             msg = "ip address %s is reachable" % ip_address
         self.assertTrue(self.ping_ip_address(ip_address,
-                                             should_succeed=should_connect),
+                                             should_succeed=should_connect,
+                                             mtu=mtu),
                         msg=msg)
         if should_connect:
             # no need to check ssh for negative connectivity
@@ -551,7 +564,7 @@
 
     def check_public_network_connectivity(self, ip_address, username,
                                           private_key, should_connect=True,
-                                          msg=None, servers=None):
+                                          msg=None, servers=None, mtu=None):
         # The target login is assumed to have been configured for
         # key-based authentication by cloud-init.
         LOG.debug('checking network connections to IP %s with user: %s' %
@@ -560,7 +573,8 @@
             self.check_vm_connectivity(ip_address,
                                        username,
                                        private_key,
-                                       should_connect=should_connect)
+                                       should_connect=should_connect,
+                                       mtu=mtu)
         except Exception:
             ex_msg = 'Public network connectivity check failed'
             if msg:
@@ -789,7 +803,7 @@
 
     def _get_server_port_id_and_ip4(self, server, ip_addr=None):
         ports = self._list_ports(device_id=server['id'], fixed_ip=ip_addr)
-        # A port can have more then one IP address in some cases.
+        # A port can have more than one IP address in some cases.
         # If the network is dual-stack (IPv4 + IPv6), this port is associated
         # with 2 subnets
         p_status = ['ACTIVE']
diff --git a/tempest/scenario/test_network_basic_ops.py b/tempest/scenario/test_network_basic_ops.py
index e3f8785..125d61a 100644
--- a/tempest/scenario/test_network_basic_ops.py
+++ b/tempest/scenario/test_network_basic_ops.py
@@ -183,7 +183,7 @@
 
     def check_public_network_connectivity(
             self, should_connect=True, msg=None,
-            should_check_floating_ip_status=True):
+            should_check_floating_ip_status=True, mtu=None):
         """Verifies connectivty to a VM via public network and floating IP
 
         and verifies floating IP has resource status is correct.
@@ -195,6 +195,7 @@
         to indicate the context of the failure
         :param should_check_floating_ip_status: bool. should status of
         floating_ip be checked or not
+        :param mtu: int. MTU network to use for connectivity validation
         """
         ssh_login = CONF.validation.image_ssh_user
         floating_ip, server = self.floating_ip_tuple
@@ -210,7 +211,7 @@
         # call the common method in the parent class
         super(TestNetworkBasicOps, self).check_public_network_connectivity(
             ip_address, ssh_login, private_key, should_connect, msg,
-            self.servers)
+            self.servers, mtu=mtu)
 
     def _disassociate_floating_ips(self):
         floating_ip, server = self.floating_ip_tuple
@@ -410,6 +411,16 @@
                                                msg="after re-associate "
                                                    "floating ip")
 
+    @test.idempotent_id('b158ea55-472e-4086-8fa9-c64ac0c6c1d0')
+    @testtools.skipUnless(test.is_extension_enabled('net-mtu', 'network'),
+                          'No way to calculate MTU for networks')
+    @test.services('compute', 'network')
+    def test_mtu_sized_frames(self):
+        """Validate that network MTU sized frames fit through."""
+        self._setup_network_and_servers()
+        self.check_public_network_connectivity(
+            should_connect=True, mtu=self.network['mtu'])
+
     @test.idempotent_id('1546850e-fbaa-42f5-8b5f-03d8a6a95f15')
     @testtools.skipIf(CONF.baremetal.driver_enabled,
                       'Baremetal relies on a shared physical network.')
diff --git a/tempest/services/volume/__init__.py b/tempest/services/volume/__init__.py
index 4d29cdd..c62dd53 100644
--- a/tempest/services/volume/__init__.py
+++ b/tempest/services/volume/__init__.py
@@ -12,8 +12,6 @@
 # License for the specific language governing permissions and limitations under
 # the License.
 
-from tempest.services.volume import v1
-from tempest.services.volume import v2
 from tempest.services.volume import v3
 
-__all__ = ['v1', 'v2', 'v3']
+__all__ = ['v3']
diff --git a/tempest/services/volume/v1/__init__.py b/tempest/services/volume/v1/__init__.py
deleted file mode 100644
index 7fb3ed3..0000000
--- a/tempest/services/volume/v1/__init__.py
+++ /dev/null
@@ -1,33 +0,0 @@
-# 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.volume.v1.availability_zone_client import \
-    AvailabilityZoneClient
-from tempest.lib.services.volume.v1.backups_client import BackupsClient
-from tempest.lib.services.volume.v1.encryption_types_client import \
-    EncryptionTypesClient
-from tempest.lib.services.volume.v1.extensions_client import ExtensionsClient
-from tempest.lib.services.volume.v1.hosts_client import HostsClient
-from tempest.lib.services.volume.v1.qos_client import QosSpecsClient
-from tempest.lib.services.volume.v1.quotas_client import QuotasClient
-from tempest.lib.services.volume.v1.services_client import ServicesClient
-from tempest.lib.services.volume.v1.snapshots_client import SnapshotsClient
-from tempest.lib.services.volume.v1.types_client import TypesClient
-from tempest.lib.services.volume.v1.volumes_client import VolumesClient
-
-__all__ = ['AvailabilityZoneClient', 'EncryptionTypesClient',
-           'ExtensionsClient', 'HostsClient', 'QuotasClient',
-           'QosSpecsClient', 'ServicesClient',
-           'SnapshotsClient', 'TypesClient', 'BackupsClient',
-           'VolumesClient', ]
diff --git a/tempest/services/volume/v1/json/__init__.py b/tempest/services/volume/v1/json/__init__.py
deleted file mode 100644
index e69de29..0000000
--- a/tempest/services/volume/v1/json/__init__.py
+++ /dev/null
diff --git a/tempest/services/volume/v2/__init__.py b/tempest/services/volume/v2/__init__.py
deleted file mode 100644
index 8edaf2a..0000000
--- a/tempest/services/volume/v2/__init__.py
+++ /dev/null
@@ -1,32 +0,0 @@
-# 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.volume.v2.availability_zone_client import \
-    AvailabilityZoneClient
-from tempest.lib.services.volume.v2.backups_client import BackupsClient
-from tempest.lib.services.volume.v2.encryption_types_client import \
-    EncryptionTypesClient
-from tempest.lib.services.volume.v2.extensions_client import ExtensionsClient
-from tempest.lib.services.volume.v2.hosts_client import HostsClient
-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.services_client import ServicesClient
-from tempest.lib.services.volume.v2.snapshots_client import SnapshotsClient
-from tempest.lib.services.volume.v2.types_client import TypesClient
-from tempest.lib.services.volume.v2.volumes_client import VolumesClient
-
-__all__ = ['AvailabilityZoneClient', 'BackupsClient', 'EncryptionTypesClient',
-           'ExtensionsClient', 'HostsClient', 'QosSpecsClient', 'QuotasClient',
-           'ServicesClient', 'SnapshotsClient', 'TypesClient',
-           'VolumesClient', ]
diff --git a/tempest/services/volume/v2/json/__init__.py b/tempest/services/volume/v2/json/__init__.py
deleted file mode 100644
index e69de29..0000000
--- a/tempest/services/volume/v2/json/__init__.py
+++ /dev/null
diff --git a/tempest/tests/common/utils/test_net_utils.py b/tempest/tests/common/utils/test_net_utils.py
new file mode 100644
index 0000000..83c6bcc
--- /dev/null
+++ b/tempest/tests/common/utils/test_net_utils.py
@@ -0,0 +1,33 @@
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+import mock
+
+from tempest.common.utils import net_utils
+from tempest.lib import exceptions as lib_exc
+from tempest.tests import base
+
+
+class TestGetPingPayloadSize(base.TestCase):
+
+    def test_ipv4(self):
+        self.assertEqual(1422, net_utils.get_ping_payload_size(1450, 4))
+
+    def test_ipv6(self):
+        self.assertEqual(1406, net_utils.get_ping_payload_size(1450, 6))
+
+    def test_too_low_mtu(self):
+        self.assertRaises(
+            lib_exc.BadRequest, net_utils.get_ping_payload_size, 10, 4)
+
+    def test_None(self):
+        self.assertIsNone(net_utils.get_ping_payload_size(None, mock.Mock()))
diff --git a/tempest/tests/lib/services/volume/v1/test_quotas_client.py b/tempest/tests/lib/services/volume/v1/test_quotas_client.py
new file mode 100644
index 0000000..f9e76af
--- /dev/null
+++ b/tempest/tests/lib/services/volume/v1/test_quotas_client.py
@@ -0,0 +1,96 @@
+# 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.volume.v1 import quotas_client
+from tempest.tests.lib import fake_auth_provider
+from tempest.tests.lib.services import base
+
+
+class TestQuotasClient(base.BaseServiceTest):
+    FAKE_QUOTAS = {
+        "quota_set": {
+            "cores": 20,
+            "fixed_ips": -1,
+            "floating_ips": 10,
+            "id": "fake_tenant",
+            "injected_file_content_bytes": 10240,
+            "injected_file_path_bytes": 255,
+            "injected_files": 5,
+            "instances": 10,
+            "key_pairs": 100,
+            "metadata_items": 128,
+            "ram": 51200,
+            "security_group_rules": 20,
+            "security_groups": 10
+        }
+    }
+
+    FAKE_UPDATE_QUOTAS_REQUEST = {
+        "quota_set": {
+            "security_groups": 45
+        }
+    }
+
+    def setUp(self):
+        super(TestQuotasClient, self).setUp()
+        fake_auth = fake_auth_provider.FakeAuthProvider()
+        self.client = quotas_client.QuotasClient(fake_auth,
+                                                 'volume',
+                                                 'regionOne')
+
+    def _test_show_default_quota_set(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.show_default_quota_set,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_QUOTAS,
+            bytes_body, tenant_id="fake_tenant")
+
+    def _test_show_quota_set(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.show_quota_set,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_QUOTAS,
+            bytes_body, tenant_id="fake_tenant")
+
+    def _test_update_quota_set(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.update_quota_set,
+            'tempest.lib.common.rest_client.RestClient.put',
+            self.FAKE_UPDATE_QUOTAS_REQUEST,
+            bytes_body, tenant_id="fake_tenant")
+
+    def test_show_default_quota_set_with_str_body(self):
+        self._test_show_default_quota_set()
+
+    def test_show_default_quota_set_with_bytes_body(self):
+        self._test_show_default_quota_set(bytes_body=True)
+
+    def test_show_quota_set_with_str_body(self):
+        self._test_show_quota_set()
+
+    def test_show_quota_set_with_bytes_body(self):
+        self._test_show_quota_set(bytes_body=True)
+
+    def test_update_quota_set_with_str_body(self):
+        self._test_update_quota_set()
+
+    def test_update_quota_set_with_bytes_body(self):
+        self._test_update_quota_set(bytes_body=True)
+
+    def test_delete_quota_set(self):
+        self.check_service_client_function(
+            self.client.delete_quota_set,
+            'tempest.lib.common.rest_client.RestClient.delete',
+            {},
+            tenant_id="fake_tenant")
diff --git a/tempest/tests/lib/services/volume/v1/test_snapshots_client.py b/tempest/tests/lib/services/volume/v1/test_snapshots_client.py
new file mode 100644
index 0000000..49191e3
--- /dev/null
+++ b/tempest/tests/lib/services/volume/v1/test_snapshots_client.py
@@ -0,0 +1,200 @@
+# 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.volume.v1 import snapshots_client
+from tempest.tests.lib import fake_auth_provider
+from tempest.tests.lib.services import base
+
+
+class TestSnapshotsClient(base.BaseServiceTest):
+    FAKE_CREATE_SNAPSHOT = {
+        "snapshot": {
+            "display_name": "snap-001",
+            "display_description": "Daily backup",
+            "volume_id": "521752a6-acf6-4b2d-bc7a-119f9148cd8c",
+            "force": True
+        }
+    }
+
+    FAKE_UPDATE_SNAPSHOT_REQUEST = {
+        "metadata": {
+            "key": "v1"
+        }
+    }
+
+    FAKE_INFO_SNAPSHOT = {
+        "snapshot": {
+            "id": "3fbbcccf-d058-4502-8844-6feeffdf4cb5",
+            "display_name": "snap-001",
+            "display_description": "Daily backup",
+            "volume_id": "521752a6-acf6-4b2d-bc7a-119f9148cd8c",
+            "status": "available",
+            "size": 30,
+            "created_at": "2012-02-29T03:50:07Z"
+        }
+    }
+
+    FAKE_LIST_SNAPSHOTS = {
+        "snapshots": [
+            {
+                "id": "3fbbcccf-d058-4502-8844-6feeffdf4cb5",
+                "display_name": "snap-001",
+                "display_description": "Daily backup",
+                "volume_id": "521752a6-acf6-4b2d-bc7a-119f9148cd8c",
+                "status": "available",
+                "size": 30,
+                "created_at": "2012-02-29T03:50:07Z",
+                "metadata": {
+                    "contents": "junk"
+                }
+            },
+            {
+                "id": "e479997c-650b-40a4-9dfe-77655818b0d2",
+                "display_name": "snap-002",
+                "display_description": "Weekly backup",
+                "volume_id": "76b8950a-8594-4e5b-8dce-0dfa9c696358",
+                "status": "available",
+                "size": 25,
+                "created_at": "2012-03-19T01:52:47Z",
+                "metadata": {}
+            }
+        ]
+    }
+
+    def setUp(self):
+        super(TestSnapshotsClient, self).setUp()
+        fake_auth = fake_auth_provider.FakeAuthProvider()
+        self.client = snapshots_client.SnapshotsClient(fake_auth,
+                                                       'volume',
+                                                       'regionOne')
+
+    def _test_create_snapshot(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.create_snapshot,
+            'tempest.lib.common.rest_client.RestClient.post',
+            self.FAKE_CREATE_SNAPSHOT,
+            bytes_body)
+
+    def _test_show_snapshot(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.show_snapshot,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_INFO_SNAPSHOT,
+            bytes_body,
+            snapshot_id="3fbbcccf-d058-4502-8844-6feeffdf4cb5")
+
+    def _test_list_snapshots(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.list_snapshots,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_LIST_SNAPSHOTS,
+            bytes_body,
+            detail=True)
+
+    def _test_create_snapshot_metadata(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.create_snapshot_metadata,
+            'tempest.lib.common.rest_client.RestClient.post',
+            self.FAKE_INFO_SNAPSHOT,
+            bytes_body,
+            snapshot_id="3fbbcccf-d058-4502-8844-6feeffdf4cb5",
+            metadata={"key": "v1"})
+
+    def _test_update_snapshot(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.update_snapshot,
+            'tempest.lib.common.rest_client.RestClient.put',
+            self.FAKE_UPDATE_SNAPSHOT_REQUEST,
+            bytes_body,
+            snapshot_id="3fbbcccf-d058-4502-8844-6feeffdf4cb5")
+
+    def _test_show_snapshot_metadata(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.show_snapshot_metadata,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_UPDATE_SNAPSHOT_REQUEST,
+            bytes_body,
+            snapshot_id="3fbbcccf-d058-4502-8844-6feeffdf4cb5")
+
+    def _test_update_snapshot_metadata(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.update_snapshot_metadata,
+            'tempest.lib.common.rest_client.RestClient.put',
+            self.FAKE_UPDATE_SNAPSHOT_REQUEST,
+            bytes_body, snapshot_id="cbc36478b0bd8e67e89")
+
+    def _test_update_snapshot_metadata_item(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.update_snapshot_metadata_item,
+            'tempest.lib.common.rest_client.RestClient.put',
+            self.FAKE_INFO_SNAPSHOT,
+            bytes_body, volume_type_id="cbc36478b0bd8e67e89")
+
+    def test_create_snapshot_with_str_body(self):
+        self._test_create_snapshot()
+
+    def test_create_snapshot_with_bytes_body(self):
+        self._test_create_snapshot(bytes_body=True)
+
+    def test_show_snapshot_with_str_body(self):
+        self._test_show_snapshot()
+
+    def test_show_snapshot_with_bytes_body(self):
+        self._test_show_snapshot(bytes_body=True)
+
+    def test_list_snapshots_with_str_body(self):
+        self._test_list_snapshots()
+
+    def test_list_snapshots_with_bytes_body(self):
+        self._test_list_snapshots(bytes_body=True)
+
+    def test_create_snapshot_metadata_with_str_body(self):
+        self._test_create_snapshot_metadata()
+
+    def test_create_snapshot_metadata_with_bytes_body(self):
+        self._test_create_snapshot_metadata(bytes_body=True)
+
+    def test_update_snapshot_with_str_body(self):
+        self._test_update_snapshot()
+
+    def test_update_snapshot_with_bytes_body(self):
+        self._test_update_snapshot(bytes_body=True)
+
+    def test_show_snapshot_metadata_with_str_body(self):
+        self._test_show_snapshot_metadata()
+
+    def test_show_snapshot_metadata_with_bytes_body(self):
+        self._test_show_snapshot_metadata(bytes_body=True)
+
+    def test_update_snapshot_metadata_with_str_body(self):
+        self._test_update_snapshot_metadata()
+
+    def test_update_snapshot_metadata_with_bytes_body(self):
+        self._test_update_snapshot_metadata(bytes_body=True)
+
+    def test_force_delete_snapshot(self):
+        self.check_service_client_function(
+            self.client.force_delete_snapshot,
+            'tempest.lib.common.rest_client.RestClient.post',
+            {},
+            snapshot_id="521752a6-acf6-4b2d-bc7a-119f9148cd8c",
+            status=202)
+
+    def test_delete_snapshot(self):
+        self.check_service_client_function(
+            self.client.delete_snapshot,
+            'tempest.lib.common.rest_client.RestClient.delete',
+            {},
+            snapshot_id="521752a6-acf6-4b2d-bc7a-119f9148cd8c",
+            status=202)
diff --git a/tempest/tests/lib/services/volume/v2/test_quotas_client.py b/tempest/tests/lib/services/volume/v2/test_quotas_client.py
new file mode 100644
index 0000000..6384350
--- /dev/null
+++ b/tempest/tests/lib/services/volume/v2/test_quotas_client.py
@@ -0,0 +1,86 @@
+# 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.volume.v2 import quotas_client
+from tempest.tests.lib import fake_auth_provider
+from tempest.tests.lib.services import base
+
+
+class TestQuotasClient(base.BaseServiceTest):
+    FAKE_QUOTAS = {
+        "quota_set": {
+            "gigabytes": 5,
+            "snapshots": 10,
+            "volumes": 20
+        }
+    }
+
+    FAKE_UPDATE_QUOTAS_REQUEST = {
+        "quota_set": {
+            "security_groups": 45
+        }
+    }
+
+    def setUp(self):
+        super(TestQuotasClient, self).setUp()
+        fake_auth = fake_auth_provider.FakeAuthProvider()
+        self.client = quotas_client.QuotasClient(fake_auth,
+                                                 'volume',
+                                                 'regionOne')
+
+    def _test_show_default_quota_set(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.show_default_quota_set,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_QUOTAS,
+            bytes_body, tenant_id="fake_tenant")
+
+    def _test_show_quota_set(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.show_quota_set,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_QUOTAS,
+            bytes_body, tenant_id="fake_tenant")
+
+    def _test_update_quota_set(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.update_quota_set,
+            'tempest.lib.common.rest_client.RestClient.put',
+            self.FAKE_UPDATE_QUOTAS_REQUEST,
+            bytes_body, tenant_id="fake_tenant")
+
+    def test_show_default_quota_set_with_str_body(self):
+        self._test_show_default_quota_set()
+
+    def test_show_default_quota_set_with_bytes_body(self):
+        self._test_show_default_quota_set(bytes_body=True)
+
+    def test_show_quota_set_with_str_body(self):
+        self._test_show_quota_set()
+
+    def test_show_quota_set_with_bytes_body(self):
+        self._test_show_quota_set(bytes_body=True)
+
+    def test_update_quota_set_with_str_body(self):
+        self._test_update_quota_set()
+
+    def test_update_quota_set_with_bytes_body(self):
+        self._test_update_quota_set(bytes_body=True)
+
+    def test_delete_quota_set(self):
+        self.check_service_client_function(
+            self.client.delete_quota_set,
+            'tempest.lib.common.rest_client.RestClient.delete',
+            {},
+            tenant_id="fake_tenant")
diff --git a/tempest/tests/lib/services/volume/v2/test_snapshots_client.py b/tempest/tests/lib/services/volume/v2/test_snapshots_client.py
new file mode 100644
index 0000000..7d656f1
--- /dev/null
+++ b/tempest/tests/lib/services/volume/v2/test_snapshots_client.py
@@ -0,0 +1,201 @@
+# 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.volume.v2 import snapshots_client
+from tempest.tests.lib import fake_auth_provider
+from tempest.tests.lib.services import base
+
+
+class TestSnapshotsClient(base.BaseServiceTest):
+    FAKE_CREATE_SNAPSHOT = {
+        "snapshot": {
+            "display_name": "snap-001",
+            "display_description": "Daily backup",
+            "volume_id": "521752a6-acf6-4b2d-bc7a-119f9148cd8c",
+            "force": True
+        }
+    }
+
+    FAKE_UPDATE_SNAPSHOT_REQUEST = {
+        "metadata": {
+            "key": "v1"
+        }
+    }
+
+    FAKE_INFO_SNAPSHOT = {
+        "snapshot": {
+            "id": "3fbbcccf-d058-4502-8844-6feeffdf4cb5",
+            "display_name": "snap-001",
+            "display_description": "Daily backup",
+            "volume_id": "521752a6-acf6-4b2d-bc7a-119f9148cd8c",
+            "status": "available",
+            "size": 30,
+            "created_at": "2012-02-29T03:50:07Z"
+        }
+    }
+
+    FAKE_LIST_SNAPSHOTS = {
+        "snapshots": [
+            {
+                "id": "3fbbcccf-d058-4502-8844-6feeffdf4cb5",
+                "display_name": "snap-001",
+                "display_description": "Daily backup",
+                "volume_id": "521752a6-acf6-4b2d-bc7a-119f9148cd8c",
+                "status": "available",
+                "size": 30,
+                "created_at": "2012-02-29T03:50:07Z",
+                "metadata": {
+                    "contents": "junk"
+                }
+            },
+            {
+                "id": "e479997c-650b-40a4-9dfe-77655818b0d2",
+                "display_name": "snap-002",
+                "display_description": "Weekly backup",
+                "volume_id": "76b8950a-8594-4e5b-8dce-0dfa9c696358",
+                "status": "available",
+                "size": 25,
+                "created_at": "2012-03-19T01:52:47Z",
+                "metadata": {}
+            }
+        ]
+    }
+
+    def setUp(self):
+        super(TestSnapshotsClient, self).setUp()
+        fake_auth = fake_auth_provider.FakeAuthProvider()
+        self.client = snapshots_client.SnapshotsClient(fake_auth,
+                                                       'volume',
+                                                       'regionOne')
+
+    def _test_create_snapshot(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.create_snapshot,
+            'tempest.lib.common.rest_client.RestClient.post',
+            self.FAKE_CREATE_SNAPSHOT,
+            bytes_body,
+            status=202)
+
+    def _test_show_snapshot(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.show_snapshot,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_INFO_SNAPSHOT,
+            bytes_body,
+            snapshot_id="3fbbcccf-d058-4502-8844-6feeffdf4cb5")
+
+    def _test_list_snapshots(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.list_snapshots,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_LIST_SNAPSHOTS,
+            bytes_body,
+            detail=True)
+
+    def _test_create_snapshot_metadata(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.create_snapshot_metadata,
+            'tempest.lib.common.rest_client.RestClient.post',
+            self.FAKE_INFO_SNAPSHOT,
+            bytes_body,
+            snapshot_id="3fbbcccf-d058-4502-8844-6feeffdf4cb5",
+            metadata={"key": "v1"})
+
+    def _test_update_snapshot(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.update_snapshot,
+            'tempest.lib.common.rest_client.RestClient.put',
+            self.FAKE_UPDATE_SNAPSHOT_REQUEST,
+            bytes_body,
+            snapshot_id="3fbbcccf-d058-4502-8844-6feeffdf4cb5")
+
+    def _test_show_snapshot_metadata(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.show_snapshot_metadata,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_UPDATE_SNAPSHOT_REQUEST,
+            bytes_body,
+            snapshot_id="3fbbcccf-d058-4502-8844-6feeffdf4cb5")
+
+    def _test_update_snapshot_metadata(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.update_snapshot_metadata,
+            'tempest.lib.common.rest_client.RestClient.put',
+            self.FAKE_UPDATE_SNAPSHOT_REQUEST,
+            bytes_body, snapshot_id="cbc36478b0bd8e67e89")
+
+    def _test_update_snapshot_metadata_item(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.update_snapshot_metadata_item,
+            'tempest.lib.common.rest_client.RestClient.put',
+            self.FAKE_INFO_SNAPSHOT,
+            bytes_body, volume_type_id="cbc36478b0bd8e67e89")
+
+    def test_create_snapshot_with_str_body(self):
+        self._test_create_snapshot()
+
+    def test_create_snapshot_with_bytes_body(self):
+        self._test_create_snapshot(bytes_body=True)
+
+    def test_show_snapshot_with_str_body(self):
+        self._test_show_snapshot()
+
+    def test_show_snapshot_with_bytes_body(self):
+        self._test_show_snapshot(bytes_body=True)
+
+    def test_list_snapshots_with_str_body(self):
+        self._test_list_snapshots()
+
+    def test_list_snapshots_with_bytes_body(self):
+        self._test_list_snapshots(bytes_body=True)
+
+    def test_create_snapshot_metadata_with_str_body(self):
+        self._test_create_snapshot_metadata()
+
+    def test_create_snapshot_metadata_with_bytes_body(self):
+        self._test_create_snapshot_metadata(bytes_body=True)
+
+    def test_update_snapshot_with_str_body(self):
+        self._test_update_snapshot()
+
+    def test_update_snapshot_with_bytes_body(self):
+        self._test_update_snapshot(bytes_body=True)
+
+    def test_show_snapshot_metadata_with_str_body(self):
+        self._test_show_snapshot_metadata()
+
+    def test_show_snapshot_metadata_with_bytes_body(self):
+        self._test_show_snapshot_metadata(bytes_body=True)
+
+    def test_update_snapshot_metadata_with_str_body(self):
+        self._test_update_snapshot_metadata()
+
+    def test_update_snapshot_metadata_with_bytes_body(self):
+        self._test_update_snapshot_metadata(bytes_body=True)
+
+    def test_force_delete_snapshot(self):
+        self.check_service_client_function(
+            self.client.force_delete_snapshot,
+            'tempest.lib.common.rest_client.RestClient.post',
+            {},
+            snapshot_id="521752a6-acf6-4b2d-bc7a-119f9148cd8c",
+            status=202)
+
+    def test_delete_snapshot(self):
+        self.check_service_client_function(
+            self.client.delete_snapshot,
+            'tempest.lib.common.rest_client.RestClient.delete',
+            {},
+            snapshot_id="521752a6-acf6-4b2d-bc7a-119f9148cd8c",
+            status=202)
diff --git a/test-requirements.txt b/test-requirements.txt
index 53efa46..9e3165c 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -5,7 +5,7 @@
 # needed for doc build
 sphinx!=1.3b1,<1.4,>=1.2.1 # BSD
 oslosphinx>=4.7.0 # Apache-2.0
-reno>=1.8.0 # Apache2
+reno>=1.8.0 # Apache-2.0
 mock>=2.0 # BSD
-coverage>=3.6 # Apache-2.0
+coverage>=4.0 # Apache-2.0
 oslotest>=1.10.0 # Apache-2.0