diff --git a/releasenotes/notes/12.3.0-volume-clients-as-library-660811011be29d1a.yaml b/releasenotes/notes/12.3.0-volume-clients-as-library-660811011be29d1a.yaml
new file mode 100644
index 0000000..9e9eff6
--- /dev/null
+++ b/releasenotes/notes/12.3.0-volume-clients-as-library-660811011be29d1a.yaml
@@ -0,0 +1,6 @@
+---
+features:
+  - |
+    Define the v1 and v2 types_client clients for the volume service as
+    library interfaces, allowing other projects to use these modules as
+    stable libraries without maintenance changes.
diff --git a/tempest/api/compute/admin/test_aggregates.py b/tempest/api/compute/admin/test_aggregates.py
index fbcc1d1..667d30b 100644
--- a/tempest/api/compute/admin/test_aggregates.py
+++ b/tempest/api/compute/admin/test_aggregates.py
@@ -215,10 +215,8 @@
         self.client.add_host(aggregate['id'], host=self.host)
         self.addCleanup(self.client.remove_host, aggregate['id'],
                         host=self.host)
-        server_name = data_utils.rand_name('test_server')
         admin_servers_client = self.os_adm.servers_client
-        server = self.create_test_server(name=server_name,
-                                         availability_zone=az_name,
+        server = self.create_test_server(availability_zone=az_name,
                                          wait_until='ACTIVE')
         body = admin_servers_client.show_server(server['id'])['server']
         self.assertEqual(self.host, body['OS-EXT-SRV-ATTR:host'])
diff --git a/tempest/api/compute/base.py b/tempest/api/compute/base.py
index 5e75493..27afff3 100644
--- a/tempest/api/compute/base.py
+++ b/tempest/api/compute/base.py
@@ -219,6 +219,8 @@
         :param validatable: Whether the server will be pingable or sshable.
         :param volume_backed: Whether the instance is volume backed or not.
         """
+        if 'name' not in kwargs:
+            kwargs['name'] = data_utils.rand_name(cls.__name__ + "-server")
         tenant_network = cls.get_tenant_network()
         body, servers = compute.create_test_server(
             cls.os,
diff --git a/tempest/api/compute/security_groups/test_security_groups.py b/tempest/api/compute/security_groups/test_security_groups.py
index f6353c8..755336f 100644
--- a/tempest/api/compute/security_groups/test_security_groups.py
+++ b/tempest/api/compute/security_groups/test_security_groups.py
@@ -94,8 +94,7 @@
 
         # Create server and add the security group created
         # above to the server we just created
-        server_name = data_utils.rand_name('server')
-        server = self.create_test_server(name=server_name)
+        server = self.create_test_server()
         server_id = server['id']
         waiters.wait_for_server_status(self.servers_client, server_id,
                                        'ACTIVE')
diff --git a/tempest/api/identity/admin/v3/test_credentials.py b/tempest/api/identity/admin/v3/test_credentials.py
index 12b236f..a0d8748 100644
--- a/tempest/api/identity/admin/v3/test_credentials.py
+++ b/tempest/api/identity/admin/v3/test_credentials.py
@@ -12,6 +12,7 @@
 #    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.api.identity import base
 from tempest.common.utils import data_utils
@@ -70,6 +71,7 @@
         update_body = self.creds_client.update_credential(
             cred['id'], blob=blob, project_id=self.projects[1],
             type='ec2')['credential']
+        update_body['blob'] = json.loads(update_body['blob'])
         self.assertEqual(cred['id'], update_body['id'])
         self.assertEqual(self.projects[1], update_body['project_id'])
         self.assertEqual(self.user_body['id'], update_body['user_id'])
@@ -77,6 +79,7 @@
         self.assertEqual(update_body['blob']['secret'], new_keys[1])
 
         get_body = self.creds_client.show_credential(cred['id'])['credential']
+        get_body['blob'] = json.loads(get_body['blob'])
         for value1 in self.creds_list[0]:
             self.assertEqual(update_body[value1],
                              get_body[value1])
diff --git a/tempest/api/network/admin/test_quotas.py b/tempest/api/network/admin/test_quotas.py
index 2ff31e0..3a264ff 100644
--- a/tempest/api/network/admin/test_quotas.py
+++ b/tempest/api/network/admin/test_quotas.py
@@ -87,5 +87,5 @@
 
     @test.idempotent_id('2390f766-836d-40ef-9aeb-e810d78207fb')
     def test_quotas(self):
-        new_quotas = {'network': 0, 'security_group': 0}
+        new_quotas = {'network': 0, 'port': 0}
         self._check_quotas(new_quotas)
diff --git a/tempest/cmd/verify_tempest_config.py b/tempest/cmd/verify_tempest_config.py
index c36c9be..630532c 100644
--- a/tempest/cmd/verify_tempest_config.py
+++ b/tempest/cmd/verify_tempest_config.py
@@ -69,7 +69,7 @@
 
 def verify_glance_api_versions(os, update):
     # Check glance api versions
-    _, versions = os.image_client.get_versions()
+    versions = _get_api_versions(os, 'glance')
     if CONF.image_feature_enabled.api_v1 != contains_version('v1.', versions):
         print_and_or_update('api_v1', 'image-feature-enabled',
                             not CONF.image_feature_enabled.api_v1, update)
@@ -96,6 +96,7 @@
         'nova': os.servers_client,
         'keystone': os.identity_client,
         'cinder': os.volumes_client,
+        'glance': os.image_client,
     }
     if service != 'keystone':
         # Since keystone may be listening on a path, do not remove the path.
diff --git a/tempest/lib/services/compute/servers_client.py b/tempest/lib/services/compute/servers_client.py
index 8b22be0..d5902e1 100755
--- a/tempest/lib/services/compute/servers_client.py
+++ b/tempest/lib/services/compute/servers_client.py
@@ -47,8 +47,13 @@
     def create_server(self, **kwargs):
         """Create server.
 
-        Available params: see http://developer.openstack.org/
-                              api-ref-compute-v2.1.html#createServer
+        For a full list of available parameters, please refer to the official
+        API reference:
+        http://developer.openstack.org/api-ref/compute/#create-server
+
+        :param name: Server name
+        :param imageRef: Image reference (UUID)
+        :param flavorRef: Flavor reference (UUID or full URL)
 
         Most parameters except the following are passed to the API without
         any changes.
diff --git a/tempest/lib/services/identity/v3/credentials_client.py b/tempest/lib/services/identity/v3/credentials_client.py
index 8c04d2c..6e5fd31 100644
--- a/tempest/lib/services/identity/v3/credentials_client.py
+++ b/tempest/lib/services/identity/v3/credentials_client.py
@@ -37,7 +37,6 @@
         resp, body = self.post('credentials', post_body)
         self.expected_success(201, resp.status)
         body = json.loads(body)
-        body['credential']['blob'] = json.loads(body['credential']['blob'])
         return rest_client.ResponseBody(resp, body)
 
     def update_credential(self, credential_id, **kwargs):
@@ -51,7 +50,6 @@
         resp, body = self.patch('credentials/%s' % credential_id, post_body)
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        body['credential']['blob'] = json.loads(body['credential']['blob'])
         return rest_client.ResponseBody(resp, body)
 
     def show_credential(self, credential_id):
@@ -64,7 +62,6 @@
         resp, body = self.get('credentials/%s' % credential_id)
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        body['credential']['blob'] = json.loads(body['credential']['blob'])
         return rest_client.ResponseBody(resp, body)
 
     def list_credentials(self, **params):
diff --git a/tempest/services/volume/v1/json/admin/types_client.py b/tempest/lib/services/volume/v1/types_client.py
similarity index 100%
rename from tempest/services/volume/v1/json/admin/types_client.py
rename to tempest/lib/services/volume/v1/types_client.py
diff --git a/tempest/services/volume/v2/json/admin/types_client.py b/tempest/lib/services/volume/v2/types_client.py
similarity index 100%
rename from tempest/services/volume/v2/json/admin/types_client.py
rename to tempest/lib/services/volume/v2/types_client.py
diff --git a/tempest/scenario/test_minimum_basic.py b/tempest/scenario/test_minimum_basic.py
index dba1c92..a67927a 100644
--- a/tempest/scenario/test_minimum_basic.py
+++ b/tempest/scenario/test_minimum_basic.py
@@ -96,6 +96,13 @@
                    '%s' % (secgroup['id'], server['id']))
             raise exceptions.TimeoutException(msg)
 
+    def _get_floating_ip_in_server_addresses(self, floating_ip, server):
+        for network_name, addresses in server['addresses'].items():
+            for address in addresses:
+                if (address['OS-EXT-IPS:type'] == 'floating' and
+                        address['addr'] == floating_ip['ip']):
+                    return address
+
     @test.idempotent_id('bdbb5441-9204-419d-a225-b4fdbfb1a1a8')
     @test.services('compute', 'volume', 'image', 'network')
     def test_minimum_basic_scenario(self):
@@ -121,6 +128,16 @@
         self.cinder_show(volume)
 
         floating_ip = self.create_floating_ip(server)
+        # fetch the server again to make sure the addresses were refreshed
+        # after associating the floating IP
+        server = self.servers_client.show_server(server['id'])['server']
+        address = self._get_floating_ip_in_server_addresses(
+            floating_ip, server)
+        self.assertIsNotNone(
+            address,
+            "Failed to find floating IP '%s' in server addresses: %s" %
+            (floating_ip['ip'], server['addresses']))
+
         self.create_and_add_security_group_to_server(server)
 
         # check that we can SSH to the server before reboot
@@ -135,3 +152,13 @@
             floating_ip['ip'], private_key=keypair['private_key'])
 
         self.check_partitions()
+
+        # delete the floating IP, this should refresh the server addresses
+        self.compute_floating_ips_client.delete_floating_ip(floating_ip['id'])
+        server = self.servers_client.show_server(server['id'])['server']
+        address = self._get_floating_ip_in_server_addresses(
+            floating_ip, server)
+        self.assertIsNone(
+            address,
+            "Floating IP '%s' should not be in server addresses: %s" %
+            (floating_ip['ip'], server['addresses']))
diff --git a/tempest/services/volume/v1/__init__.py b/tempest/services/volume/v1/__init__.py
index 72868bc..b17440e 100644
--- a/tempest/services/volume/v1/__init__.py
+++ b/tempest/services/volume/v1/__init__.py
@@ -18,7 +18,7 @@
 from tempest.lib.services.volume.v1.hosts_client import HostsClient
 from tempest.lib.services.volume.v1.quotas_client import QuotasClient
 from tempest.lib.services.volume.v1.services_client import ServicesClient
-from tempest.services.volume.v1.json.admin.types_client import TypesClient
+from tempest.lib.services.volume.v1.types_client import TypesClient
 from tempest.services.volume.v1.json.backups_client import BackupsClient
 from tempest.services.volume.v1.json.encryption_types_client import \
     EncryptionTypesClient
@@ -26,7 +26,7 @@
 from tempest.services.volume.v1.json.snapshots_client import SnapshotsClient
 from tempest.services.volume.v1.json.volumes_client import VolumesClient
 
-__all__ = ['HostsClient', 'QuotasClient', 'ServicesClient', 'TypesClient',
-           'AvailabilityZoneClient', 'BackupsClient', 'ExtensionsClient',
-           'QosSpecsClient', 'SnapshotsClient', 'VolumesClient',
-           'EncryptionTypesClient']
+__all__ = ['AvailabilityZoneClient', 'ExtensionsClient', 'HostsClient',
+           'QuotasClient', 'ServicesClient', 'TypesClient', 'BackupsClient',
+           'EncryptionTypesClient', 'QosSpecsClient', 'SnapshotsClient',
+           'VolumesClient', ]
diff --git a/tempest/services/volume/v2/__init__.py b/tempest/services/volume/v2/__init__.py
index 4afcc29..c99a81a 100644
--- a/tempest/services/volume/v2/__init__.py
+++ b/tempest/services/volume/v2/__init__.py
@@ -18,7 +18,7 @@
 from tempest.lib.services.volume.v2.hosts_client import HostsClient
 from tempest.lib.services.volume.v2.quotas_client import QuotasClient
 from tempest.lib.services.volume.v2.services_client import ServicesClient
-from tempest.services.volume.v2.json.admin.types_client import TypesClient
+from tempest.lib.services.volume.v2.types_client import TypesClient
 from tempest.services.volume.v2.json.backups_client import BackupsClient
 from tempest.services.volume.v2.json.encryption_types_client import \
     EncryptionTypesClient
@@ -26,7 +26,7 @@
 from tempest.services.volume.v2.json.snapshots_client import SnapshotsClient
 from tempest.services.volume.v2.json.volumes_client import VolumesClient
 
-__all__ = ['HostsClient', 'QuotasClient', 'ServicesClient', 'TypesClient',
-           'AvailabilityZoneClient', 'BackupsClient', 'ExtensionsClient',
-           'QosSpecsClient', 'SnapshotsClient', 'VolumesClient',
-           'EncryptionTypesClient']
+__all__ = ['AvailabilityZoneClient', 'ExtensionsClient', 'HostsClient',
+           'QuotasClient', 'ServicesClient', 'TypesClient', 'BackupsClient',
+           'EncryptionTypesClient', 'QosSpecsClient', 'SnapshotsClient',
+           'VolumesClient', ]
diff --git a/tempest/tests/cmd/test_verify_tempest_config.py b/tempest/tests/cmd/test_verify_tempest_config.py
index 00b4542..68588be 100644
--- a/tempest/tests/cmd/test_verify_tempest_config.py
+++ b/tempest/tests/cmd/test_verify_tempest_config.py
@@ -237,33 +237,45 @@
                                    True, True)
         self.assertEqual(2, print_mock.call_count)
 
-    def test_verify_glance_version_no_v2_with_v1_1(self):
-        def fake_get_versions():
-            return (None, ['v1.1'])
+    @mock.patch('tempest.lib.common.http.ClosingHttp.request')
+    def test_verify_glance_version_no_v2_with_v1_1(self, mock_request):
+        self.useFixture(mockpatch.PatchObject(
+            verify_tempest_config, '_get_unversioned_endpoint',
+            return_value='http://fake_endpoint:5000'))
+        fake_resp = {'versions': [{'id': 'v1.1'}]}
+        fake_resp = json.dumps(fake_resp)
+        mock_request.return_value = (None, fake_resp)
         fake_os = mock.MagicMock()
-        fake_os.image_client.get_versions = fake_get_versions
         with mock.patch.object(verify_tempest_config,
                                'print_and_or_update') as print_mock:
             verify_tempest_config.verify_glance_api_versions(fake_os, True)
         print_mock.assert_called_once_with('api_v2', 'image-feature-enabled',
                                            False, True)
 
-    def test_verify_glance_version_no_v2_with_v1_0(self):
-        def fake_get_versions():
-            return (None, ['v1.0'])
+    @mock.patch('tempest.lib.common.http.ClosingHttp.request')
+    def test_verify_glance_version_no_v2_with_v1_0(self, mock_request):
+        self.useFixture(mockpatch.PatchObject(
+            verify_tempest_config, '_get_unversioned_endpoint',
+            return_value='http://fake_endpoint:5000'))
+        fake_resp = {'versions': [{'id': 'v1.0'}]}
+        fake_resp = json.dumps(fake_resp)
+        mock_request.return_value = (None, fake_resp)
         fake_os = mock.MagicMock()
-        fake_os.image_client.get_versions = fake_get_versions
         with mock.patch.object(verify_tempest_config,
                                'print_and_or_update') as print_mock:
             verify_tempest_config.verify_glance_api_versions(fake_os, True)
         print_mock.assert_called_once_with('api_v2', 'image-feature-enabled',
                                            False, True)
 
-    def test_verify_glance_version_no_v1(self):
-        def fake_get_versions():
-            return (None, ['v2.0'])
+    @mock.patch('tempest.lib.common.http.ClosingHttp.request')
+    def test_verify_glance_version_no_v1(self, mock_request):
+        self.useFixture(mockpatch.PatchObject(
+            verify_tempest_config, '_get_unversioned_endpoint',
+            return_value='http://fake_endpoint:5000'))
+        fake_resp = {'versions': [{'id': 'v2.0'}]}
+        fake_resp = json.dumps(fake_resp)
+        mock_request.return_value = (None, fake_resp)
         fake_os = mock.MagicMock()
-        fake_os.image_client.get_versions = fake_get_versions
         with mock.patch.object(verify_tempest_config,
                                'print_and_or_update') as print_mock:
             verify_tempest_config.verify_glance_api_versions(fake_os, True)
diff --git a/tempest/tests/lib/services/base.py b/tempest/tests/lib/services/base.py
index 3165689..a244aa2 100644
--- a/tempest/tests/lib/services/base.py
+++ b/tempest/tests/lib/services/base.py
@@ -12,7 +12,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import copy
 from oslo_serialization import jsonutils as json
 from oslotest import mockpatch
 
@@ -32,7 +31,7 @@
 
     def check_service_client_function(self, function, function2mock,
                                       body, to_utf=False, status=200,
-                                      headers=None, cr_blob=False, **kwargs):
+                                      headers=None, **kwargs):
         mocked_response = self.create_response(body, to_utf, status, headers)
         self.useFixture(mockpatch.Patch(
             function2mock, return_value=mocked_response))
@@ -40,11 +39,4 @@
             resp = function(**kwargs)
         else:
             resp = function()
-
-        if cr_blob:
-            evaluated_body = copy.deepcopy(body)
-            nested_json = json.loads(evaluated_body['credential']['blob'])
-            evaluated_body['credential']['blob'] = nested_json
-            self.assertEqual(evaluated_body, resp)
-        else:
-            self.assertEqual(body, resp)
+        self.assertEqual(body, resp)
diff --git a/tempest/tests/lib/services/identity/v3/test_credentials_client.py b/tempest/tests/lib/services/identity/v3/test_credentials_client.py
index a2a22ff..29d7496 100644
--- a/tempest/tests/lib/services/identity/v3/test_credentials_client.py
+++ b/tempest/tests/lib/services/identity/v3/test_credentials_client.py
@@ -121,14 +121,14 @@
             self.client.create_credential,
             'tempest.lib.common.rest_client.RestClient.post',
             self.FAKE_CREATE_CREDENTIAL,
-            bytes_body, status=201, cr_blob=True)
+            bytes_body, status=201)
 
     def _test_show_credential(self, bytes_body=False):
         self.check_service_client_function(
             self.client.show_credential,
             'tempest.lib.common.rest_client.RestClient.get',
             self.FAKE_INFO_CREDENTIAL,
-            bytes_body, cr_blob=True,
+            bytes_body,
             credential_id="207e9b76935efc03804d3dd6ab52d22e9b22a0711e4ada4f")
 
     def _test_update_credential(self, bytes_body=False):
@@ -136,7 +136,7 @@
             self.client.update_credential,
             'tempest.lib.common.rest_client.RestClient.patch',
             self.FAKE_INFO_CREDENTIAL,
-            bytes_body, cr_blob=True,
+            bytes_body,
             credential_id="207e9b76935efc03804d3dd6ab52d22e9b22a0711e4ada4f")
 
     def _test_list_credentials(self, bytes_body=False):