From: lyrics <robin.cyril@...>
Date: 2009-01-15T07:49:59+09:00
Subject: Re: Net::SSH serialized commands

On 14 jan, 23:31, "Sebastian W." <switt...@yahoo.com> wrote:
> lyrics wrote:
> > On 14 jan, 22:12, "Sebastian W." <switt...@yahoo.com> wrote:
> >> > end
> >> could try just doing this:
>
> >> Net::SSH.start( addr, user, :password => passwd) do |session|
> >> session.exec! ("service X restart; <command to configure service X>")
> >> end
> >> --
> >> Posted viahttp://www.ruby-forum.com/.
>
> > Thanks for replying.
> > The solution isn't suitable.
> > I need to execute other commands on another ssh connexion.
> > Actually, my code is more like this:
>
> > Net::SSH.start( addr, user, :password => passwd) do |session1|
> >   Net::SSH.start( addr2, user2, :password => passwd2) do |session2|
> >     session1.exec! ("service X restart;")
> >     session2.exec! ("<command...>")
> >     session1.exec! ("<command ...>")
> >   end
> > end
>
> Hm...that looks a bit odd to me. Why do the sessions have to be nested?
>
> If you need to do more advanced stuff - which it sounds like - "exec!"
> probably will not suffice as it is just a convenience method.
>
> Here is the Net::SSHv2 docs, they're very helpful:http://net-ssh.rubyforge.org/ssh/v2/api/index.html
>
> What you are likely looking for is to use Net::SSH::Multi (maybe), build
> up an aggregated event loop, and then run it with the "loop" method.
>
> --
> Posted viahttp://www.ruby-forum.com/.

Basically, I just want to manage 2 PCs.
"sending command to PC1
wait until command finished
sending command to PC2
wait until command finished
sending command to PC1
wait until command finished"

I thought open both sessions at the same time was a convenient way to
open them only once.