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Postings from September 2011
On Sep 17, 2011 12:16 PM, "Rajeev Prasad" <rp.neuli@yahoo.com> wrote:
>
> On Sep 14, 11:57 pm, rp.ne...@yahoo.com (Rajeev Prasad) wrote:
> > trying to use this module now. but i guess i have a very basic issue:
> >
> > currently i am running following in a loop for all hosts (and a inner
loop for all commands for a host):
> >
> > my ($MFSSH) = Net::OpenSSH->new($HOST,
> > user => $USER,
> > password => $PASS,
> > default_stderr_fh => $stderr_fh,
> > default_stdout_fh => $stdout_fh,
> > master_opts => [-o =>
'StrictHostKeyChecking=no',
> > -o => 'ConnectTimeout
10'],
> > );
> > $EXITCODE = $MFSSH->error;
> > next if ($EXITCODE ne "0"); #go to next host if ssh fails
> > foreach $CMD (@MFCMDS){
> > chomp($CMD);
> > ( @CMDRESULT, $CMDERR ) = $MFSSH->capture("$CMD");
> > }
> >
> > how can i use Net::OpenSSH::Parallel this script? i mean i understood
creating a new instance like pssh in the module CPAN page, but not sure how
to integrate it with the script i already have.
>
> Net::OpenSSH::Parallel does not allow capturing directly the output of
> commands into perl scalars. You have to redirect it to some file and
> then reread it.
>
> It would be easier to help you if you tells us what you need to do
> from a higher level.
>
> ------------------------------------
>
> Hi Salva,
> Thx for responding. I need to SSH into several nodes and run some commands
there and capture the modified output to a file on local node from where the
script is run.
>
That's not saying what you want to do. That's saying what you think the
script should do in order to achieve a goal.
Now, I've never used that module but there's probably an anyevent module for
doing what you want. It might also be possible to use ipc::run objects which
might get you clover to what you want.
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