diff --git a/releasenotes/notes/add-image-clients-af94564fb34ddca6.yaml b/releasenotes/notes/add-image-clients-af94564fb34ddca6.yaml
new file mode 100644
index 0000000..7e40fd4
--- /dev/null
+++ b/releasenotes/notes/add-image-clients-af94564fb34ddca6.yaml
@@ -0,0 +1,9 @@
+---
+features:
+  - |
+    As in the [doc]:
+    http://developer.openstack.org/api-ref/image/v2/metadefs-index.html,
+    there are some apis are not included, add them.
+
+      * namespace_properties_client(v2)
+
diff --git a/requirements.txt b/requirements.txt
index ea73180..d9a9ebb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 pbr>=1.8 # Apache-2.0
-cliff>=2.2.0 # Apache-2.0
+cliff>=2.3.0 # Apache-2.0
 jsonschema!=2.5.0,<3.0.0,>=2.0.0 # MIT
 testtools>=1.4.0 # MIT
 paramiko>=2.0 # LGPLv2.1+
diff --git a/tempest/api/compute/admin/test_aggregates_negative.py b/tempest/api/compute/admin/test_aggregates_negative.py
index 609eae6..85aa301 100644
--- a/tempest/api/compute/admin/test_aggregates_negative.py
+++ b/tempest/api/compute/admin/test_aggregates_negative.py
@@ -177,6 +177,5 @@
     def test_aggregate_remove_nonexistent_host(self):
         aggregate = self._create_test_aggregate()
 
-        non_exist_host = data_utils.rand_name('nonexist_host')
         self.assertRaises(lib_exc.NotFound, self.client.remove_host,
-                          aggregate['id'], host=non_exist_host)
+                          aggregate['id'], host='nonexist_host')
diff --git a/tempest/api/compute/admin/test_flavors_extra_specs_negative.py b/tempest/api/compute/admin/test_flavors_extra_specs_negative.py
index b0ab9be..7eb4bbf 100644
--- a/tempest/api/compute/admin/test_flavors_extra_specs_negative.py
+++ b/tempest/api/compute/admin/test_flavors_extra_specs_negative.py
@@ -102,11 +102,10 @@
     @test.attr(type=['negative'])
     @test.idempotent_id('440b9f3f-3c7f-4293-a106-0ceda350f8de')
     def test_flavor_unset_nonexistent_key(self):
-        nonexistent_key = data_utils.rand_name('flavor_key')
         self.assertRaises(lib_exc.NotFound,
                           self.client.unset_flavor_extra_spec,
                           self.flavor['id'],
-                          nonexistent_key)
+                          'nonexistent_key')
 
     @test.attr(type=['negative'])
     @test.idempotent_id('329a7be3-54b2-48be-8052-bf2ce4afd898')
diff --git a/tempest/api/compute/admin/test_hypervisor_negative.py b/tempest/api/compute/admin/test_hypervisor_negative.py
index 220ea39..0f35e14 100644
--- a/tempest/api/compute/admin/test_hypervisor_negative.py
+++ b/tempest/api/compute/admin/test_hypervisor_negative.py
@@ -122,12 +122,10 @@
     @test.attr(type=['negative'])
     @test.idempotent_id('19a45cc1-1000-4055-b6d2-28e8b2ec4faa')
     def test_search_nonexistent_hypervisor(self):
-        nonexistent_hypervisor_name = data_utils.rand_name('test_hypervisor')
-
         self.assertRaises(
             lib_exc.NotFound,
             self.client.search_hypervisor,
-            nonexistent_hypervisor_name)
+            'nonexistent_hypervisor_name')
 
     @test.attr(type=['negative'])
     @test.idempotent_id('5b6a6c79-5dc1-4fa5-9c58-9c8085948e74')
diff --git a/tempest/api/compute/servers/test_server_actions.py b/tempest/api/compute/servers/test_server_actions.py
index 50910ec..0a94d5e 100644
--- a/tempest/api/compute/servers/test_server_actions.py
+++ b/tempest/api/compute/servers/test_server_actions.py
@@ -13,8 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import logging
-
+from oslo_log import log as logging
 from six.moves.urllib import parse as urlparse
 import testtools
 
diff --git a/tempest/api/compute/volumes/test_volumes_negative.py b/tempest/api/compute/volumes/test_volumes_negative.py
index 5fe4cb3..c4041cb 100644
--- a/tempest/api/compute/volumes/test_volumes_negative.py
+++ b/tempest/api/compute/volumes/test_volumes_negative.py
@@ -66,7 +66,7 @@
 
     @test.attr(type=['negative'])
     @test.idempotent_id('131cb3a1-75cc-4d40-b4c3-1317f64719b0')
-    def test_create_volume_with_out_passing_size(self):
+    def test_create_volume_without_passing_size(self):
         # Negative: Should not be able to create volume without passing size
         # in request
         v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
diff --git a/tempest/api/image/base.py b/tempest/api/image/base.py
index 1cc3fa2..812c436 100644
--- a/tempest/api/image/base.py
+++ b/tempest/api/image/base.py
@@ -141,6 +141,7 @@
         cls.client = cls.os.image_client_v2
         cls.namespaces_client = cls.os.namespaces_client
         cls.resource_types_client = cls.os.resource_types_client
+        cls.namespace_properties_client = cls.os.namespace_properties_client
         cls.schemas_client = cls.os.schemas_client
 
     def create_namespace(cls, namespace_name=None, visibility='public',
diff --git a/tempest/api/image/v2/test_images_metadefs_namespace_properties.py b/tempest/api/image/v2/test_images_metadefs_namespace_properties.py
new file mode 100644
index 0000000..7113db4
--- /dev/null
+++ b/tempest/api/image/v2/test_images_metadefs_namespace_properties.py
@@ -0,0 +1,57 @@
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+from tempest.api.image import base
+from tempest.common.utils import data_utils
+from tempest import test
+
+
+class MetadataNamespacePropertiesTest(base.BaseV2ImageTest):
+    """Test the Metadata definition namespace property basic functionality"""
+
+    @test.idempotent_id('b1a3765e-3a5d-4f6d-a3a7-3ca3476ae768')
+    def test_basic_meta_def_namespace_property(self):
+        # Get the available resource types and use one resource_type
+        body = self.resource_types_client.list_resource_types()
+        resource_name = body['resource_types'][0]['name']
+        enum = ["xen", "qemu", "kvm", "lxc", "uml", "vmware", "hyperv"]
+        # Create a namespace
+        namespace = self.create_namespace()
+        # Create resource type association
+        body = self.resource_types_client.create_resource_type_association(
+            namespace['namespace'], name=resource_name)
+        # Create a property
+        property_title = data_utils.rand_name('property')
+        body = self.namespace_properties_client.create_namespace_property(
+            namespace=namespace['namespace'], title=property_title,
+            name=resource_name, type="string", enum=enum)
+        self.assertEqual(property_title, body['title'])
+        # Show namespace property
+        body = self.namespace_properties_client.show_namespace_properties(
+            namespace['namespace'], resource_name)
+        self.assertEqual(resource_name, body['name'])
+        # Update namespace property
+        update_property_title = data_utils.rand_name('update-property')
+        body = self.namespace_properties_client.update_namespace_properties(
+            namespace['namespace'], resource_name,
+            title=update_property_title, type="string",
+            enum=enum, name=resource_name)
+        self.assertEqual(update_property_title, body['title'])
+        # Delete namespace property
+        self.namespace_properties_client.delete_namespace_property(
+            namespace['namespace'], resource_name)
+        # List namespace properties and validate deletion
+        namespace_property = [
+            namespace_property['title'] for namespace_property in
+            self.namespace_properties_client.list_namespace_properties(
+                namespace['namespace'])['properties']]
+        self.assertNotIn(update_property_title, namespace_property)
diff --git a/tempest/api/object_storage/test_container_services_negative.py b/tempest/api/object_storage/test_container_services_negative.py
index 7049db0..e6c53ec 100644
--- a/tempest/api/object_storage/test_container_services_negative.py
+++ b/tempest/api/object_storage/test_container_services_negative.py
@@ -92,47 +92,39 @@
     def test_get_metadata_headers_with_invalid_container_name(self):
         # Attempts to retrieve metadata headers with an invalid
         # container name.
-        invalid_name = data_utils.rand_name(name="TestInvalidContainer")
-
         self.assertRaises(exceptions.NotFound,
                           self.container_client.list_container_metadata,
-                          invalid_name)
+                          'invalid_container_name')
 
     @test.attr(type=["negative"])
     @test.idempotent_id('125a24fa-90a7-4cfc-b604-44e49d788390')
     def test_update_metadata_with_nonexistent_container_name(self):
         # Attempts to update metadata using a nonexistent container name.
-        nonexistent_name = data_utils.rand_name(
-            name="TestNonexistentContainer")
         metadata = {'animal': 'penguin'}
 
         self.assertRaises(exceptions.NotFound,
                           self.container_client.update_container_metadata,
-                          nonexistent_name, metadata)
+                          'nonexistent_container_name', metadata)
 
     @test.attr(type=["negative"])
     @test.idempotent_id('65387dbf-a0e2-4aac-9ddc-16eb3f1f69ba')
     def test_delete_with_nonexistent_container_name(self):
         # Attempts to delete metadata using a nonexistent container name.
-        nonexistent_name = data_utils.rand_name(
-            name="TestNonexistentContainer")
         metadata = {'animal': 'penguin'}
 
         self.assertRaises(exceptions.NotFound,
                           self.container_client.delete_container_metadata,
-                          nonexistent_name, metadata)
+                          'nonexistent_container_name', metadata)
 
     @test.attr(type=["negative"])
     @test.idempotent_id('14331d21-1e81-420a-beea-19cb5e5207f5')
     def test_list_all_container_objects_with_nonexistent_container(self):
         # Attempts to get a listing of all objects on a container
         # that doesn't exist.
-        nonexistent_name = data_utils.rand_name(
-            name="TestNonexistentContainer")
         params = {'limit': 9999, 'format': 'json'}
         self.assertRaises(exceptions.NotFound,
                           self.container_client.list_container_contents,
-                          nonexistent_name, params)
+                          'nonexistent_container_name', params)
 
     @test.attr(type=["negative"])
     @test.idempotent_id('86b2ab08-92d5-493d-acd2-85f0c848819e')
diff --git a/tempest/api/orchestration/stacks/test_neutron_resources.py b/tempest/api/orchestration/stacks/test_neutron_resources.py
index a3792b4..bffcb64 100644
--- a/tempest/api/orchestration/stacks/test_neutron_resources.py
+++ b/tempest/api/orchestration/stacks/test_neutron_resources.py
@@ -10,10 +10,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-
-import logging
-
 import netaddr
+from oslo_log import log as logging
 
 from tempest.api.orchestration import base
 from tempest.common.utils import data_utils
diff --git a/tempest/api/volume/test_volumes_negative.py b/tempest/api/volume/test_volumes_negative.py
index fda0dda..6ed6b9c 100644
--- a/tempest/api/volume/test_volumes_negative.py
+++ b/tempest/api/volume/test_volumes_negative.py
@@ -62,7 +62,7 @@
 
     @test.attr(type=['negative'])
     @test.idempotent_id('9387686f-334f-4d31-a439-33494b9e2683')
-    def test_create_volume_with_out_passing_size(self):
+    def test_create_volume_without_passing_size(self):
         # Should not be able to create volume without passing size
         # in request
         v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
diff --git a/tempest/clients.py b/tempest/clients.py
index d131dc4..6ded9e7 100644
--- a/tempest/clients.py
+++ b/tempest/clients.py
@@ -141,6 +141,8 @@
             self.namespaces_client = self.image_v2.NamespacesClient()
             self.resource_types_client = self.image_v2.ResourceTypesClient()
             self.schemas_client = self.image_v2.SchemasClient()
+            self.namespace_properties_client = \
+                self.image_v2.NamespacePropertiesClient()
 
     def _set_compute_clients(self):
         self.agents_client = self.compute.AgentsClient()
diff --git a/tempest/cmd/main.py b/tempest/cmd/main.py
index 641d11c..1090c41 100644
--- a/tempest/cmd/main.py
+++ b/tempest/cmd/main.py
@@ -11,11 +11,11 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
-import logging
 import sys
 
 from cliff import app
 from cliff import commandmanager
+from oslo_log import log as logging
 from pbr import version
 
 
diff --git a/tempest/lib/services/image/v2/__init__.py b/tempest/lib/services/image/v2/__init__.py
index 32bad8b..d359d4b 100644
--- a/tempest/lib/services/image/v2/__init__.py
+++ b/tempest/lib/services/image/v2/__init__.py
@@ -15,10 +15,12 @@
 from tempest.lib.services.image.v2.image_members_client import \
     ImageMembersClient
 from tempest.lib.services.image.v2.images_client import ImagesClient
+from tempest.lib.services.image.v2.namespace_properties_client import \
+    NamespacePropertiesClient
 from tempest.lib.services.image.v2.namespaces_client import NamespacesClient
 from tempest.lib.services.image.v2.resource_types_client import \
     ResourceTypesClient
 from tempest.lib.services.image.v2.schemas_client import SchemasClient
 
-__all__ = ['ImageMembersClient', 'ImagesClient', 'NamespacesClient',
-           'ResourceTypesClient', 'SchemasClient']
+__all__ = ['ImageMembersClient', 'ImagesClient', 'NamespacePropertiesClient',
+           'NamespacesClient', 'ResourceTypesClient', 'SchemasClient']
diff --git a/tempest/lib/services/image/v2/namespace_properties_client.py b/tempest/lib/services/image/v2/namespace_properties_client.py
new file mode 100644
index 0000000..1236b2b
--- /dev/null
+++ b/tempest/lib/services/image/v2/namespace_properties_client.py
@@ -0,0 +1,91 @@
+# Copyright 2016 EasyStack.
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+from oslo_serialization import jsonutils as json
+
+from tempest.lib.common import rest_client
+
+
+class NamespacePropertiesClient(rest_client.RestClient):
+    api_version = "v2"
+
+    def list_namespace_properties(self, namespace):
+        """Lists property definitions in a namespace.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref/image/v2/metadefs-index.html#list-properties
+        """
+        url = 'metadefs/namespaces/%s/properties' % namespace
+        resp, body = self.get(url)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return rest_client.ResponseBody(resp, body)
+
+    def create_namespace_property(self, namespace, **kwargs):
+        """Creates a property definition in a namespace.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref/image/v2/metadefs-index.html#create-property
+        """
+        url = 'metadefs/namespaces/%s/properties' % namespace
+        data = json.dumps(kwargs)
+        resp, body = self.post(url, data)
+        self.expected_success(201, resp.status)
+        body = json.loads(body)
+        return rest_client.ResponseBody(resp, body)
+
+    def show_namespace_properties(self, namespace, property_name):
+        """Shows the definition for a property.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref/image/v2/metadefs-index.html#show-property-definition
+        """
+        url = 'metadefs/namespaces/%s/properties/%s' % (namespace,
+                                                        property_name)
+        resp, body = self.get(url)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return rest_client.ResponseBody(resp, body)
+
+    def update_namespace_properties(self, namespace, property_name, **kwargs):
+        """Updates a property definition.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref/image/v2/metadefs-index.html#update-property-definition
+        """
+        url = 'metadefs/namespaces/%s/properties/%s' % (namespace,
+                                                        property_name)
+        data = json.dumps(kwargs)
+        resp, body = self.put(url, data)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return rest_client.ResponseBody(resp, body)
+
+    def delete_namespace_property(self, namespace, property_name):
+        """Removes a property definition from a namespace.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref/image/v2/metadefs-index.html#remove-property-definition
+        """
+        url = 'metadefs/namespaces/%s/properties/%s' % (namespace,
+                                                        property_name)
+        resp, _ = self.delete(url)
+        self.expected_success(204, resp.status)
+        return rest_client.ResponseBody(resp)
diff --git a/test-requirements.txt b/test-requirements.txt
index 3260915..475fb16 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,7 +1,7 @@
 # The order of packages is significant, because pip processes them in the order
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
-hacking>=0.12.0,<0.13  # Apache-2.0
+hacking<0.13,>=0.12.0 # Apache-2.0
 # needed for doc build
 sphinx!=1.3b1,<1.4,>=1.2.1 # BSD
 oslosphinx>=4.7.0 # Apache-2.0