make Vxlanplugin generic for multicast/unicast/frr

if no multicast or unicast address is defined, default to frr

Signed-off-by: Alexandre Derumier <aderumier@odiso.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/PVE/Network/SDN/Plugin.pm b/PVE/Network/SDN/Plugin.pm
index a76442b..36efbe1 100644
--- a/PVE/Network/SDN/Plugin.pm
+++ b/PVE/Network/SDN/Plugin.pm
@@ -121,4 +121,26 @@ sub parse_tag_number_or_range {
     return (scalar(@elements) > 1);
 }
 
+#to be move to Network.pm helper
+sub get_first_local_ipv4_from_interface {
+    my ($interface) = @_;
+
+    my $cmd = ['/sbin/ip', 'address', 'show', 'dev', $interface];
+
+    my $IP = "";
+
+    my $code = sub {
+	my $line = shift;
+
+	if ($line =~ m!^\s*inet\s+($PVE::Tools::IPRE)(?:/\d+|\s+peer\s+)!) {
+	    $IP = $1;
+	    return;
+	}
+    };
+
+    PVE::Tools::run_command($cmd, outfunc => $code);
+
+    return $IP;
+}
+
 1;