From 6fb78dab671f723f6b2b4a2d0846fbec0e9634c3 Mon Sep 17 00:00:00 2001
From: Yen Chi Hsuan <yan12125@gmail.com>
Date: Thu, 30 Mar 2017 04:34:09 +0800
Subject: [PATCH] Fix Docker IP detection with different ifconfig output
 formats (#4376)

---
 tests/boulder-fetch.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/boulder-fetch.sh b/tests/boulder-fetch.sh
index ef61fe3f5..d9a979667 100755
--- a/tests/boulder-fetch.sh
+++ b/tests/boulder-fetch.sh
@@ -12,5 +12,7 @@ fi
 
 cd ${BOULDERPATH}
 FAKE_DNS=$(ifconfig docker0 | grep "inet addr:" | cut -d: -f2 | awk '{ print $1}')
+[ -z "$FAKE_DNS" ] && FAKE_DNS=$(ifconfig docker0 | grep "inet " | xargs | cut -d ' ' -f 2)
+[ -z "$FAKE_DNS" ] && echo Unable to find the IP for docker0 && exit 1
 sed -i "s/FAKE_DNS: .*/FAKE_DNS: ${FAKE_DNS}/" docker-compose.yml
 docker-compose up -d