Merge "[API] Fix exception when UPDATE gearman message fails"

libra/common/api/gearman_client.py

@@ -439,9 +439,14 @@ class GearmanClientThread(object):
             device = session.query(Device).\
                 filter(Device.id == data).\
                 first()
-                device_name = device.name
+            if device is None:
+                # Shouldn't hit here, but just to be safe
                 session.commit()
-            if device.status == 'BUILD':
+                return
+            device_name = device.name
+            device_status = device.status
+            session.commit()
+            if device_status == 'BUILD':
                 submit_vip_job(
                     'ASSIGN', device_name, None
                 )