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/tools/check_uuid.py b/tools/check_uuid.py
old mode 100644
new mode 100755
index ebbdc78..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