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#!/usr/bin/perl
use strict;
use warnings;
use feature 'say';
use Net::OpenSSH::Parallel;
use Getopt::Long;
my ($login, $password, $file, $verbose);
my $retries = 1;
my $timeout = 10;
GetOptions( "login|l=s" => \$login,
"password|passwd|pwd|p=s" => \$password,
"file|f=s" => \$file,
"retries|r=i" => \$retries,
"timeout|t=i" => \$timeout,
"verbose|v" => \$verbose);
my @hosts = @ARGV;
# read hosts from file when "file" option is given.
if (defined $file) {
open my $fh, '<', $file or die "unable to open $file: $!";
while (<$fh>) {
next if /^\s*(?:#.*)$/;
chomp;
push @hosts, $_;
}
close $fh or die "unable to read $file: $!";
}
my $pssh = Net::OpenSSH::Parallel->new;
$pssh->add_host($_, user => $login, password => $password,
reconnections => $retries,
master_stderr_discard => 1,
master_opts => ["-oConnectTimeout=$timeout"]) for @hosts;
$pssh->push('*', 'connect');
$pssh->run;
for (@hosts) {
my $error = $pssh->get_error($_);
if ($error) {
say "Connection to host $_ failed: $error" if $verbose;
next;
}
say "Connection to host $_ succeeded!";
}
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