From 179372936e44b34c1d1f196a84052e5e58d548dc Mon Sep 17 00:00:00 2001
From: Julien Duponchelle <julien@duponchelle.info>
Date: Fri, 22 Jan 2016 10:07:55 +0100
Subject: [PATCH] Raise error if ubridge is missing

---
 gns3server/modules/base_vm.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gns3server/modules/base_vm.py b/gns3server/modules/base_vm.py
index 2c93860c..5775182f 100644
--- a/gns3server/modules/base_vm.py
+++ b/gns3server/modules/base_vm.py
@@ -308,6 +308,9 @@ class BaseVM:
         path = self._manager.config.get_section_config("Server").get("ubridge_path", "ubridge")
         if path == "ubridge":
             path = shutil.which("ubridge")
+
+        if path is None:
+            raise VMError("uBridge is not installed")
         return path
 
     @asyncio.coroutine