[Swift-devel] How to run automatic coasters from a firewalled host?

Mihael Hategan hategan at mcs.anl.gov
Wed Jul 17 00:46:00 CDT 2013


on orthros:

export GLOBUS_HOSTNAME=localhost
export GLOBUS_TCP_PORT_RANGE=x,y

then tunnel all ports between x, y on beagle to the same ports on
orthros.

What that does is tell the coaster service to connect to
localhost:<some_port_between_x_and_y>, which is actually on beagle which
is forwarded to orthros.

I think. Let me know if it works.

Mihael

On Tue, 2013-07-16 at 17:52 -0500, Michael Wilde wrote:
> Mihael,
> 
> I'm trying to run automatic coasters from a host "orthros" at Argonne which is only accessible from a cryptocard-only gateway host.
> 
> I was trying to use Beagle to augment the cores available on orthros.
> 
> I can do a password-less ssh from orthros to beagle using my ssh agent.
> 
> But coasters on beagle is not starting from orthros, presumably because the remote coaster service can not connect back to the swift client.
> 
> Can we make this work by having the ssh command run by the ssh-cl proxy create a tunnel back to orthros for the remote service to connect to?
> 
> - Mike





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