Merge "Add hacking checks to watcher"

watcher/api/controllers/v1/types.py

@@ -15,7 +15,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
+from oslo_serialization import jsonutils
 from oslo_utils import strutils
 import six
 import wsme
@@ -118,7 +118,7 @@ class JsonType(wtypes.UserType):
     @staticmethod
     def validate(value):
         try:
-            json.dumps(value)
+            jsonutils.dumps(value, default=None)
         except TypeError:
             raise exception.Invalid(_('%s is not JSON serializable') % value)
         else:

watcher/api/middleware/parsable_error.py

@@ -20,10 +20,10 @@ response with one formatted so the client can parse it.
 Based on pecan.middleware.errordocument
 """
 
-import json
 from xml import etree as et
 
 from oslo_log import log
+from oslo_serialization import jsonutils
 import six
 import webob
 
@@ -84,7 +84,8 @@ class ParsableErrorMiddleware(object):
             else:
                 if six.PY3:
                     app_iter = [i.decode('utf-8') for i in app_iter]
-                body = [json.dumps({'error_message': '\n'.join(app_iter)})]
+                body = [jsonutils.dumps(
+                        {'error_message': '\n'.join(app_iter)})]
                 if six.PY3:
                     body = [item.encode('utf-8') for item in body]
                 state['headers'].append(('Content-Type', 'application/json'))