From 59a2351be95889e4760b38288675a262eddbd69d Mon Sep 17 00:00:00 2001
From: Werner Mendizabal <nonameentername@gmail.com>
Date: Thu, 11 Aug 2016 19:18:09 +0000
Subject: [PATCH] Add credential encryption exception

If something goes wrong when we encrypt or decrypt a credential, we
should throw a useful error message. We will use this as we implement
encryption for credentials at rest.

bp credential-encryption

Change-Id: I21684de984da05a0728f8875ff00a135fc1b834a
---
 keystone/exception.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/keystone/exception.py b/keystone/exception.py
index bc41bfad3a..42e8cf1759 100644
--- a/keystone/exception.py
+++ b/keystone/exception.py
@@ -578,3 +578,8 @@ class TokenlessAuthConfigError(ValidationError):
 
 class UnsupportedDriverVersion(UnexpectedError):
     debug_message_format = _('%(driver)s is not supported driver version')
+
+
+class CredentialEncryptionError(Exception):
+    message_format = _("An unexpected error prevented the server "
+                       "from accessing encrypted credentials.")