doc: dashboard: refined object gateway configuration

As discussed in BUG#39252, the dashboard currently does not
support all possible RGW configuration possibilities when trying
to obtain hostname and port number. Update the docs to better
reflect this.

Signed-off-by: Lenz Grimmer <lgrimmer@suse.com>
(cherry picked from commit 43c56e1a5a92fc876e6edc184459b665d270ce29)

diff --git a/doc/mgr/dashboard.rst b/doc/mgr/dashboard.rst
index 0e2fd5a9aacaadf5711bfd760a71ab6713d32e4d..6ea3e4844b5836835b0d9cedfe4fbada916c7cf0 100644 (file)
--- a/doc/mgr/dashboard.rst
+++ b/doc/mgr/dashboard.rst
@@ -280,8 +280,10 @@ Finally, provide the credentials to the dashboard::
   $ ceph dashboard set-rgw-api-access-key <access_key>
   $ ceph dashboard set-rgw-api-secret-key <secret_key>
 
-This is all you have to do to get the Object Gateway management functionality
-working. The host and port of the Object Gateway are determined automatically.
+In a typical default configuration with a single RGW endpoint, this is all you
+have to do to get the Object Gateway management functionality working. The
+dashboard will try to automatically determine the host and port of the Object
+Gateway by obtaining this information from the Ceph Manager's service map.
 
 If multiple zones are used, it will automatically determine the host within the
 master zone group and master zone. This should be sufficient for most setups,