From 1807b45222fd82ba4b78fa8e700b7bee8e974c3b Mon Sep 17 00:00:00 2001
From: Sean Gollschewsky <sean.gollschewsky@gmail.com>
Date: Sat, 22 Jul 2017 18:50:31 +0100
Subject: [PATCH] Binary sensor ping fixed for hassio (#8573)

* Add support for multiple ping utilities.

* Added support for differing flavours of ping included with
different distributions (specifically alpine linux for hassio's
homeassistant).

* Updated as per comments in PR
---
 homeassistant/components/binary_sensor/ping.py | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/homeassistant/components/binary_sensor/ping.py b/homeassistant/components/binary_sensor/ping.py
index cb5bc4333a2..1919c7ab64d 100644
--- a/homeassistant/components/binary_sensor/ping.py
+++ b/homeassistant/components/binary_sensor/ping.py
@@ -35,6 +35,9 @@ SCAN_INTERVAL = timedelta(minutes=5)
 PING_MATCHER = re.compile(
     r'(?P<min>\d+.\d+)\/(?P<avg>\d+.\d+)\/(?P<max>\d+.\d+)\/(?P<mdev>\d+.\d+)')
 
+PING_MATCHER_BUSYBOX = re.compile(
+    r'(?P<min>\d+.\d+)\/(?P<avg>\d+.\d+)\/(?P<max>\d+.\d+)')
+
 WIN32_PING_MATCHER = re.compile(
     r'(?P<min>\d+)ms.+(?P<max>\d+)ms.+(?P<avg>\d+)ms')
 
@@ -126,7 +129,14 @@ class PingData(object):
                     'avg': rtt_avg,
                     'max': rtt_max,
                     'mdev': ''}
-
+            if 'max/' not in str(out):
+                match = PING_MATCHER_BUSYBOX.search(str(out).split('\n')[-1])
+                rtt_min, rtt_avg, rtt_max = match.groups()
+                return {
+                    'min': rtt_min,
+                    'avg': rtt_avg,
+                    'max': rtt_max,
+                    'mdev': ''}
             match = PING_MATCHER.search(str(out).split('\n')[-1])
             rtt_min, rtt_avg, rtt_max, rtt_mdev = match.groups()
             return {