From 81b1b1fd957571f74cd38f38fa1496d2d8f047bc Mon Sep 17 00:00:00 2001
From: Saurabh Mohan <saurabh.mohan@vyatta.com>
Date: Mon, 11 Jun 2012 17:48:26 -0700
Subject: VTI delete check for reference under vpn.

---
 templates/interfaces/vti/node.def | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'templates')

diff --git a/templates/interfaces/vti/node.def b/templates/interfaces/vti/node.def
index 0d9c422d..9a5120a6 100644
--- a/templates/interfaces/vti/node.def
+++ b/templates/interfaces/vti/node.def
@@ -6,6 +6,16 @@ val_help: <vtiN>; Virtual Tunnel interface name
 syntax:expression: pattern $VAR(@) "^vti[0-9]+$" \
 		   ; "vti must be (vti-vti999)"
 
+begin:
+if [ "${COMMIT_ACTION}" == DELETE ]; then
+      # check if there is still a reference
+      `${vyatta_sbindir}/vyatta-vti-config.pl --checkref --intf=$VAR(@)`
+      if [ $? -gt 0 ] ; then
+            echo "Interface $VAR(@) is referenced in vpn configuration."
+            exit -1
+      fi
+fi
+
 delete: 
   if [ -d /sys/class/net/$VAR(@) ] ; then
       ip link set $VAR(@) down
-- 
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