From fa6650a072484425d6080aee7a65932cd02a4577 Mon Sep 17 00:00:00 2001
From: Jarrod Johnson <jjohnson2@lenovo.com>
Date: Thu, 29 Jun 2017 10:33:10 -0400
Subject: [PATCH] Non-linux fallback for list_interface_indexes()

When errors suggest we are not in linux, make a best
effort using netifaces.
---
 confluent_server/confluent/util.py | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/confluent_server/confluent/util.py b/confluent_server/confluent/util.py
index 4fd60fbf..5e2d6e1e 100644
--- a/confluent_server/confluent/util.py
+++ b/confluent_server/confluent/util.py
@@ -37,7 +37,14 @@ def list_interface_indexes():
             yield intidx
     except (IOError, OSError):
         # Probably situation is non-Linux, just do limited support for
-        # such platforms until other people come alonge
+        # such platforms until other people come along
+        for iface in netifaces.interfaces():
+            addrinfo = netifaces.ifaddresses(iface).get(socket.AF_INET6, [])
+            for addr in addrinfo:
+                v6addr = addr.get('addr', '').partition('%')[2]
+                if v6addr:
+                    yield(int(v6addr))
+                    break
         return