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marsadm: workaround hanging ssh due to firewall hell

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Thomas Schoebel-Theuer 2019-07-08 12:47:25 +02:00
parent 4deb7c5f33
commit 5f37b8e85a
1 changed files with 4 additions and 0 deletions
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4
userspace/marsadm
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@ -153,6 +153,10 @@ sub make_ssh_cmd {
foreach my $try_port ($ssh_port, 22, 0) {
next if defined($seen{$try_port});
$seen{$try_port} = 1;
if ($try_port && system("if which nc; then nc -v -4 -w 5 \"$this_peer\" $try_port < /dev/null > /dev/null; fi")) {
lwarn "SSH port '$try_port' for '$this_peer' is not reachable\n";
next;
}
my $opt_port = $try_port ? "-p $try_port" : "";
if (!system("$ssh $opt_port root\@$this_peer \"$ssh_probe\"")) {
($real_peer, $port) = ($this_peer, $try_port);