doc: Use 'ceph auth get-or-create' for creating RGW keyring

This saves us a lot of steps which the old documentation took. The
result is however the same.

diff --git a/doc/radosgw/config.rst b/doc/radosgw/config.rst
index 549a273885d008ff119dc9c164cf4991af5c57c9..c513cb32712a342a3397b8954258012e1f2bc32c 100644 (file)
--- a/doc/radosgw/config.rst
+++ b/doc/radosgw/config.rst
@@ -40,30 +40,10 @@ the node containing the gateway instance.
 
 See `User Management`_ for additional details on Ceph authentication.
 
-#. Create a keyring for the gateway::
-
-       sudo ceph-authtool --create-keyring /etc/ceph/ceph.client.radosgw.keyring
-       sudo chmod +r /etc/ceph/ceph.client.radosgw.keyring
-       
-
 #. Generate a Ceph Object Gateway user name and key for each instance. For
    exemplary purposes, we will use the name ``gateway`` after ``client.radosgw``:: 
 
-       sudo ceph-authtool /etc/ceph/ceph.client.radosgw.keyring -n client.radosgw.gateway --gen-key
-
-
-#. Add capabilities to the key. See `Configuration Reference - Pools`_ for details
-   on the effect of write permissions for the monitor and creating pools. ::
-
-       sudo ceph-authtool -n client.radosgw.gateway --cap osd 'allow rwx' --cap mon 'allow rwx' /etc/ceph/ceph.client.radosgw.keyring
-
-
-#. Once you have created a keyring and key to enable the Ceph Object Gateway 
-   with access to the Ceph Storage Cluster, add the key to your 
-   Ceph Storage Cluster. For example::
-
-       sudo ceph -k /etc/ceph/ceph.client.admin.keyring auth add client.radosgw.gateway -i /etc/ceph/ceph.client.radosgw.keyring
-
+        sudo ceph auth get-or-create client.radosgw.gateway osd 'allow rwx' mon 'allow rwx' -o /etc/ceph/ceph.client.radosgw.keyring
 
 #. Distribute the keyring to the node with the gateway instance. ::