From 58cbe639010fad9bd9df1a2e2ddac7fd76b19e5b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fabian=20Gr=C3=BCnbichler?= <f.gruenbichler@proxmox.com>
Date: Fri, 4 Aug 2017 14:54:01 +0200
Subject: [PATCH] migrate: read mtunnel version
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Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
---
 PVE/QemuMigrate.pm | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/PVE/QemuMigrate.pm b/PVE/QemuMigrate.pm
index beaa1e34..a0380509 100644
--- a/PVE/QemuMigrate.pm
+++ b/PVE/QemuMigrate.pm
@@ -143,6 +143,16 @@ sub fork_tunnel {
     };
     my $err = $@;
 
+    eval {
+	my $ver = $self->read_tunnel($tunnel, 10);
+	if ($ver =~ /^ver (\d+)$/) {
+	    $tunnel->{version} = $1;
+	    $self->log('info', "ssh tunnel $ver\n");
+	} else {
+	    $err = "received invalid tunnel version string '$ver'\n" if !$err;
+	}
+    };
+
     if ($err) {
 	$self->finish_command_pipe($tunnel);
 	die "can't open migration tunnel - $err";