From: Eric Hodel <drbrain@...7.net>
Date: 2004-12-11T16:12:53+09:00
Subject: Re: Bridging DRb UNIX socket services on two hosts


On 10 Dec 2004, at 23:09, Ilmari Heikkinen wrote:

> Hi,
>
> I have two computers, both running a bunch of DRb services on them. 
> The services run on UNIX sockets with drbunix in order to use the OS 
> file permissions for access control.
>
> How would I go about bridging the computers in a secure fashion so 
> that one computer's services can talk to the other? Preferably without 
> exposing the services to the network or using a NFS/Samba mount.

You can use DRb over SSL:

http://segment7.net/projects/ruby/drb/DRbSSL/

> One way I am thinking about is using an SSH tunnel between the 
> computers (again, to benefit from the existing access controls in the 
> OS), and run a proxy service that proxies calls between the hosts.

You can use GWIdConv to link process (Gateway id Converter)

http://segment7.net/projects/ruby/drb/idconv.html

> Is that sensible? How would I go about writing that? Start proxy 
> service on both hosts, set up the tunnel to make them talk to each 
> other, set up new proxy object for each method call, wrap all 
> DRbObjects? Is there a better way?

You don't need to write anything, its all built in :)