From d21c52867f7bba2c95ca6f69354ea9218264a583 Mon Sep 17 00:00:00 2001
From: Dmitry Tantsur <dtantsur@protonmail.com>
Date: Mon, 24 Aug 2020 11:46:18 +0200
Subject: [PATCH] Provide the default get_auth_ref implementation

osc-lib tries to call it, failing for e.g. http_basic.

Change-Id: Iacfba0940beda4dce2a9be0c863cb506d4013e2f
---
 keystoneauth1/plugin.py                               | 11 +++++++++++
 releasenotes/notes/get-auth-ref-7418e13bd0942060.yaml |  5 +++++
 2 files changed, 16 insertions(+)
 create mode 100644 releasenotes/notes/get-auth-ref-7418e13bd0942060.yaml

diff --git a/keystoneauth1/plugin.py b/keystoneauth1/plugin.py
index 0fc3e011..440d65e2 100644
--- a/keystoneauth1/plugin.py
+++ b/keystoneauth1/plugin.py
@@ -61,6 +61,17 @@ class BaseAuthPlugin(object):
         """
         return None
 
+    def get_auth_ref(self, session, **kwargs):
+        """Return the authentication reference of an auth plugin.
+
+        There are no required kwargs. They are passed directly to the auth
+        plugin and they are implementation specific.
+
+        :param session: A session object to be used for communication
+        :type session: keystoneauth1.session.session
+        """
+        return None
+
     def get_headers(self, session, **kwargs):
         """Fetch authentication headers for message.
 
diff --git a/releasenotes/notes/get-auth-ref-7418e13bd0942060.yaml b/releasenotes/notes/get-auth-ref-7418e13bd0942060.yaml
new file mode 100644
index 00000000..4bf92e79
--- /dev/null
+++ b/releasenotes/notes/get-auth-ref-7418e13bd0942060.yaml
@@ -0,0 +1,5 @@
+---
+fixes:
+  - |
+    Fixes missing ``get_auth_ref`` call for the ``none`` and ``http_basic``
+    authentication plugins. The implementation simply returns ``None``.