From 2f6c04c8d746e7f1645c42efe7d43cbae4cccad9 Mon Sep 17 00:00:00 2001
From: Michal Rostecki <michal.rostecki@gmail.com>
Date: Tue, 22 Mar 2016 08:34:59 +0100
Subject: [PATCH] Encode the ifname before passing to struct

Structs don't allow to put unicodes, so they have to be encoded
before.

TrivialFix

Change-Id: I5b62e42606ea21feac2d77d9d70385474bb70cda
---
 kolla_mesos/container_scripts/start.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kolla_mesos/container_scripts/start.py b/kolla_mesos/container_scripts/start.py
index 7ef42d5c..96e4cbfe 100644
--- a/kolla_mesos/container_scripts/start.py
+++ b/kolla_mesos/container_scripts/start.py
@@ -195,7 +195,7 @@ class TemplateFunctions(object):
         return str(socket.inet_ntoa(fcntl.ioctl(
             s.fileno(),
             0x8915,  # SIOCGIFADDR
-            struct.pack('256s', ifname[:15])
+            struct.pack('256s', ifname[:15].encode('utf-8'))
         )[20:24]))
 
     def list_ips_by_service(self, name, port=None, separator=',', prefix=None):