From b24ddf75464fe0e634734e4350fd23097ea1361a Mon Sep 17 00:00:00 2001
From: Santiago Lamora <santiago@ribaguifi.com>
Date: Mon, 17 May 2021 13:22:08 +0200
Subject: [PATCH] Handle empty ping response

---
 orchestra/contrib/orchestration/utils.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/orchestra/contrib/orchestration/utils.py b/orchestra/contrib/orchestration/utils.py
index 9e4dd51d..df59f8c9 100644
--- a/orchestra/contrib/orchestration/utils.py
+++ b/orchestra/contrib/orchestration/utils.py
@@ -14,7 +14,12 @@ def retrieve_state(servers):
     state = {}
     for server, ping, uptime in zip(servers, pings, uptimes):
         ping = join(ping, silent=True)
-        ping = ping.stdout.splitlines()[-1].decode()
+
+        try:
+            ping = ping.stdout.splitlines()[-1].decode()
+        except IndexError:
+            ping = ''
+
         if ping.startswith('rtt'):
             ping = '%s ms' % ping.split('/')[4]
         else: