Update keystone doc about v3 options

Signed-off-by: Proskurin Kirill <kproskurin@mirantis.com>

diff --git a/doc/radosgw/keystone.rst b/doc/radosgw/keystone.rst
index 0dc0f8cc9866126d9bf0bd0a591007c7ff59b08d..e5290497b43e69537d6c088a384455f9a9d9f7b5 100644 (file)
--- a/doc/radosgw/keystone.rst
+++ b/doc/radosgw/keystone.rst
@@ -11,6 +11,7 @@ token that Keystone validates will be considered as valid by the gateway.
 The following configuration options are available for Keystone integration::
 
        [client.radosgw.gateway]
+       rgw keystone api version = {keystone api version}
        rgw keystone url = {keystone server url:keystone server admin port}
        rgw keystone admin token = {keystone admin token}
        rgw keystone accepted roles = {accepted user roles}
@@ -40,6 +41,12 @@ the Ceph Object Gateway gets the ticket, it looks at the tenant, and the user
 roles that are assigned to that ticket, and accepts/rejects the request
 according to the ``rgw keystone accepted roles`` configurable.
 
+For a v3 version of the OpenStack Identity API you should replace
+``rgw keystone admin tenant`` with::
+
+   rgw keystone admin domain = {keystone admin domain}
+   rgw keystone admin project = {keystone admin project}
+
 
 Prior to Kilo
 -------------