Merge "Replaces uuid.uuid4 with uuidutils.generate_uuid()"

oslo_middleware/correlation_id.py

@@ -13,7 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import uuid
+from oslo_utils import uuidutils
 
 from oslo_middleware import base
 
@@ -23,5 +23,5 @@ class CorrelationId(base.ConfigurableMiddleware):
 
     def process_request(self, req):
         correlation_id = (req.headers.get("X_CORRELATION_ID") or
-                          str(uuid.uuid4()))
+                          uuidutils.generate_uuid())
         req.headers['X_CORRELATION_ID'] = correlation_id