diff --git a/tempest/api/compute/admin/test_floating_ips_bulk.py b/tempest/api/compute/admin/test_floating_ips_bulk.py
index 3c5f507..3c48d9e 100644
--- a/tempest/api/compute/admin/test_floating_ips_bulk.py
+++ b/tempest/api/compute/admin/test_floating_ips_bulk.py
@@ -17,6 +17,7 @@
 
 from tempest.api.compute import base
 from tempest import config
+from tempest import exceptions
 from tempest import test
 
 CONF = config.CONF
@@ -51,7 +52,7 @@
                 msg = ("Configured unallocated floating IP range is already "
                        "allocated. Configure the correct unallocated range "
                        "as 'floating_ip_range'")
-                raise cls.skipException(msg)
+                raise exceptions.InvalidConfiguration(msg)
         return
 
     def _delete_floating_ips_bulk(self, ip_range):
diff --git a/tempest/api/data_processing/base.py b/tempest/api/data_processing/base.py
index 5992921..d91fbaa 100644
--- a/tempest/api/data_processing/base.py
+++ b/tempest/api/data_processing/base.py
@@ -66,7 +66,6 @@
                               cls.client.delete_job_binary_internal)
         cls.cleanup_resources(getattr(cls, '_data_sources', []),
                               cls.client.delete_data_source)
-        cls.clear_isolated_creds()
         super(BaseDataProcessingTest, cls).resource_cleanup()
 
     @staticmethod
diff --git a/tempest/api/image/base.py b/tempest/api/image/base.py
index 728d077..d513b0c 100644
--- a/tempest/api/image/base.py
+++ b/tempest/api/image/base.py
@@ -61,7 +61,6 @@
 
         for image_id in cls.created_images:
                 cls.client.wait_for_resource_deletion(image_id)
-        cls.isolated_creds.clear_isolated_creds()
         super(BaseImageTest, cls).resource_cleanup()
 
     @classmethod
diff --git a/tempest/api/network/base.py b/tempest/api/network/base.py
index e057bb8..cc2d21a 100644
--- a/tempest/api/network/base.py
+++ b/tempest/api/network/base.py
@@ -157,7 +157,6 @@
             for network in cls.networks:
                 cls._try_delete_resource(cls.client.delete_network,
                                          network['id'])
-            cls.clear_isolated_creds()
         super(BaseNetworkTest, cls).resource_cleanup()
 
     @classmethod
diff --git a/tempest/api/object_storage/base.py b/tempest/api/object_storage/base.py
index f75f4c8..c8697e1 100644
--- a/tempest/api/object_storage/base.py
+++ b/tempest/api/object_storage/base.py
@@ -67,11 +67,6 @@
         cls.account_client.auth_provider.clear_auth()
 
     @classmethod
-    def resource_cleanup(cls):
-        cls.isolated_creds.clear_isolated_creds()
-        super(BaseObjectTest, cls).resource_cleanup()
-
-    @classmethod
     def delete_containers(cls, containers, container_client=None,
                           object_client=None):
         """Remove given containers and all objects in them.
diff --git a/tempest/api/telemetry/base.py b/tempest/api/telemetry/base.py
index 336e2d4..ed719c2 100644
--- a/tempest/api/telemetry/base.py
+++ b/tempest/api/telemetry/base.py
@@ -101,7 +101,6 @@
         cls.cleanup_resources(cls.telemetry_client.delete_alarm, cls.alarm_ids)
         cls.cleanup_resources(cls.servers_client.delete_server, cls.server_ids)
         cls.cleanup_resources(cls.image_client.delete_image, cls.image_ids)
-        cls.clear_isolated_creds()
         super(BaseTelemetryTest, cls).resource_cleanup()
 
     def await_samples(self, metric, query):
diff --git a/tempest/api/volume/base.py b/tempest/api/volume/base.py
index 8f3f1a3..157bd44 100644
--- a/tempest/api/volume/base.py
+++ b/tempest/api/volume/base.py
@@ -102,7 +102,6 @@
     def resource_cleanup(cls):
         cls.clear_snapshots()
         cls.clear_volumes()
-        cls.clear_isolated_creds()
         super(BaseVolumeTest, cls).resource_cleanup()
 
     @classmethod
diff --git a/tempest/api_schema/response/compute/baremetal_nodes.py b/tempest/api_schema/response/compute/baremetal_nodes.py
index e82792c..82506e7 100644
--- a/tempest/api_schema/response/compute/baremetal_nodes.py
+++ b/tempest/api_schema/response/compute/baremetal_nodes.py
@@ -12,6 +12,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import copy
+
 node = {
     'type': 'object',
     'properties': {
@@ -41,7 +43,7 @@
     }
 }
 
-get_baremetal_node = {
+baremetal_node = {
     'status_code': [200],
     'response_body': {
         'type': 'object',
@@ -51,3 +53,8 @@
         'required': ['node']
     }
 }
+get_baremetal_node = copy.deepcopy(baremetal_node)
+get_baremetal_node['response_body']['properties']['node'][
+    'properties'].update({'instance_uuid': {'type': ['string', 'null']}})
+get_baremetal_node['response_body']['properties']['node'][
+    'required'].append('instance_uuid')
diff --git a/tempest/api_schema/response/compute/hypervisors.py b/tempest/api_schema/response/compute/hypervisors.py
index fc3b828..d6f2bd1 100644
--- a/tempest/api_schema/response/compute/hypervisors.py
+++ b/tempest/api_schema/response/compute/hypervisors.py
@@ -80,8 +80,12 @@
                             'type': 'object',
                             'properties': {
                                 'host': {'type': 'string'},
-                                'id': {'type': ['integer', 'string']}
+                                'id': {'type': ['integer', 'string']},
+                                'disabled_reason': {'type': ['string', 'null']}
                             },
+                            # NOTE(gmann): 'disabled_reason' is updated in
+                            # 'service' dict if 'os-hypervisor-status'
+                            # extension is loaded. So this is not required.
                             'required': ['host', 'id']
                         },
                         'vcpus': {'type': 'integer'},
@@ -137,8 +141,12 @@
                         'type': 'object',
                         'properties': {
                             'host': {'type': 'string'},
-                            'id': {'type': ['integer', 'string']}
+                            'id': {'type': ['integer', 'string']},
+                            'disabled_reason': {'type': ['string', 'null']}
                         },
+                        # NOTE: 'disabled_reason' is updated in 'service'
+                        # dict if os-hypervisor-status' extension is loaded.
+                        # So this is not required.
                         'required': ['host', 'id']
                     },
                     'vcpus': {'type': 'integer'},
diff --git a/tempest/cmd/javelin.py b/tempest/cmd/javelin.py
index ab23dea..e970249 100755
--- a/tempest/cmd/javelin.py
+++ b/tempest/cmd/javelin.py
@@ -870,32 +870,14 @@
     for server in servers:
         client = client_for_user(server['owner'])
 
-        res = _get_server_by_name(client, server['name'])
-        if not res:
+        response = _get_server_by_name(client, server['name'])
+        if not response:
             LOG.info("Server '%s' does not exist" % server['name'])
             continue
-        res = client.servers.get_server(res['id'])
 
-        # we iterate all interfaces until we find a floating IP
-        # and stop looping after dropping it.
-        def _find_first_floating():
-            if (CONF.service_available.neutron and
-                    not CONF.baremetal.driver_enabled and
-                    CONF.compute.use_floatingip_for_ssh):
-                for network_name, body in res['addresses'].items():
-                    for addr in body:
-                        ip = addr['addr']
-                        if addr.get('OS-EXT-IPS:type',
-                                    'floating') == 'floating':
-                            (client.floating_ips.
-                             disassociate_floating_ip_from_server(
-                                 ip, res['id']))
-                            client.floating_ips.delete_floating_ip(ip)
-                            return
-
-        _find_first_floating()
-        client.servers.delete_server(res['id'])
-        client.servers.wait_for_server_termination(res['id'],
+        # TODO(EmilienM): disassociate floating IP from server and release it.
+        client.servers.delete_server(response['id'])
+        client.servers.wait_for_server_termination(response['id'],
                                                    ignore_error=True)
 
 
diff --git a/tempest/scenario/test_encrypted_cinder_volumes.py b/tempest/scenario/test_encrypted_cinder_volumes.py
index eed3d0b..e6912d8 100644
--- a/tempest/scenario/test_encrypted_cinder_volumes.py
+++ b/tempest/scenario/test_encrypted_cinder_volumes.py
@@ -35,8 +35,8 @@
         self.glance_image_create()
         self.nova_boot()
 
-    def create_encrypted_volume(self, encryption_provider):
-        volume_type = self.create_volume_type(name='luks')
+    def create_encrypted_volume(self, encryption_provider, volume_type):
+        volume_type = self.create_volume_type(name=volume_type)
         self.create_encryption_type(type_id=volume_type['id'],
                                     provider=encryption_provider,
                                     key_size=512,
@@ -53,7 +53,8 @@
     def test_encrypted_cinder_volumes_luks(self):
         self.launch_instance()
         self.create_encrypted_volume('nova.volume.encryptors.'
-                                     'luks.LuksEncryptor')
+                                     'luks.LuksEncryptor',
+                                     volume_type='luks')
         self.attach_detach_volume()
 
     @test.idempotent_id('cbc752ed-b716-4717-910f-956cce965722')
@@ -61,5 +62,6 @@
     def test_encrypted_cinder_volumes_cryptsetup(self):
         self.launch_instance()
         self.create_encrypted_volume('nova.volume.encryptors.'
-                                     'cryptsetup.CryptsetupEncryptor')
+                                     'cryptsetup.CryptsetupEncryptor',
+                                     volume_type='cryptsetup')
         self.attach_detach_volume()
diff --git a/tempest/thirdparty/boto/test.py b/tempest/thirdparty/boto/test.py
index 3f7bb7d..cd35e7f 100644
--- a/tempest/thirdparty/boto/test.py
+++ b/tempest/thirdparty/boto/test.py
@@ -279,7 +279,6 @@
                 LOG.exception("Cleanup failed %s" % func_name)
             finally:
                 del cls._resource_trash_bin[key]
-        cls.clear_isolated_creds()
         super(BotoTestCase, cls).resource_cleanup()
         # NOTE(afazekas): let the super called even on exceptions
         # The real exceptions already logged, if the super throws another,
diff --git a/tools/check_uuid.py b/tools/check_uuid.py
old mode 100644
new mode 100755
index 541e6c3..34effe4
--- a/tools/check_uuid.py
+++ b/tools/check_uuid.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python
+
 # Copyright 2014 Mirantis, Inc.
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -119,8 +121,10 @@
         idempotent_id = None
         for decorator in test_node.decorator_list:
             if (hasattr(decorator, 'func') and
-                    decorator.func.attr == DECORATOR_NAME and
-                    decorator.func.value.id == DECORATOR_MODULE):
+                hasattr(decorator.func, 'attr') and
+                decorator.func.attr == DECORATOR_NAME and
+                hasattr(decorator.func, 'value') and
+                decorator.func.value.id == DECORATOR_MODULE):
                 for arg in decorator.args:
                     idempotent_id = ast.literal_eval(arg)
         return idempotent_id