Hi,
I have a very similar question to the one that Vye Wilson
recently asked, "Subject: What is The Correct Way to Close a Twisted Conch
SSH Connection?"
I am using Twisted Conch to write a program that
ssh's into multiple machines and executes a single command.
I am basically trying to do the equivalent of:
for host in host1 host2 host3
do
ssh user@host "cat /etc/hosts"
done
To start things off, I took
http://twistedmatrix.com/documents/current/conch/examples/sshsimpleclient.py
and started modifying it. Here is the code which I have:
http://pastebin.com/RXhjUcrS
The problem is, I can't figure out how to tell when a command has
completed, so that I can call reactor.stop().
Not in the code example I posted above, I tried to use a DeferredList by
following the example code in this blog
post:
http://technicae.cogitat.io/2008/06/async-batching-with-twisted-walkthrough.html
but I ran into the same problem where I couldn't figure out how
to tell when my command over SSH had terminated.
As a kluge, I called reactor.callLater() with a timeout of
20 seconds, and then called reactor.stop().
Any ideas as to what I am doing wrong?
Where in the Conch framework can I tell when a command
over SSH has finished?
Thanks.
--
Craig Rodrigues
[email protected]
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