Add exception for policy deleted objects

For the NSX policy manager, if an object was deleted, it cannot be
recreated immediately with the same name/path, and should wait until
it is permanently deleted from the backend.
This patch adds the error code and exception for this case.

Change-Id: Icaa41ada29209b476963a8cee4362f211ef02c66

vmware_nsxlib/v3/client.py

@@ -35,7 +35,8 @@ def http_error_to_exception(status_code, error_code):
             {'202': exceptions.BackendResourceNotFound,
              'default': exceptions.ResourceNotFound},
         requests.codes.BAD_REQUEST:
-            {'60508': exceptions.NsxIndexingInProgress},
+            {'60508': exceptions.NsxIndexingInProgress,
+             '500045': exceptions.NsxPendingDelete},
         requests.codes.CONFLICT: exceptions.StaleRevision,
         requests.codes.PRECONDITION_FAILED: exceptions.StaleRevision,
         requests.codes.INTERNAL_SERVER_ERROR:

vmware_nsxlib/v3/exceptions.py

@@ -145,3 +145,9 @@ class NsxSearchInvalidQuery(NsxLibException):
 class NsxIndexingInProgress(NsxLibException):
     message = _("Bad Request due to indexing is in progress, please retry "
                 "after sometime")
+
+
+class NsxPendingDelete(NsxLibException):
+    message = _("An object with the same name is marked for deletion. Either "
+                "use another path or wait for the purge cycle to permanently "
+                "remove the deleted object")