doc: update keystone admin options in config-ref

Adding the short descriptions of the keystone admin tenant, user and
password options to the config reference as well. Also adding a note
that this applies to only v2 of Openstack Identity API

Signed-off-by: Abhishek Lekshmanan <abhishek@suse.com>

diff --git a/doc/radosgw/config-ref.rst b/doc/radosgw/config-ref.rst
index 8bd24756eee2ca131b67f4f796a00fbd4befcf20..3ea0380f5c6e6124382a6bf6440cfdc19aa6616c 100644 (file)
--- a/doc/radosgw/config-ref.rst
+++ b/doc/radosgw/config-ref.rst
@@ -962,6 +962,28 @@ Keystone Settings
 :Default: None
 
 
+``rgw keystone admin tenant``
+
+:Description: The name of OpenStack tenant with admin privilege (Service Tenant) when
+              using OpenStack Identity API v2
+:Type: String
+:Default: None
+
+
+``rgw keystone admin user``
+:Description: The name of OpenStack user with admin privilege for Keystone
+              authentication (Service User) when OpenStack Identity API v2
+:Type: String
+:Default: None
+
+
+``rgw keystone admin password``
+:Description: The password for OpenStack admin user when using OpenStack
+              Identity API v2
+:Type: String
+:Default: None
+
+
 ``rgw keystone accepted roles``
 
 :Description: The roles requires to serve requests.