From dd4c49d7f1b4b4112a21595528c77987b00f59fd Mon Sep 17 00:00:00 2001
From: Mike Crute <mike@crute.us>
Date: Tue, 27 Mar 2018 03:55:58 +0000
Subject: Fallback to external DNS

---
 phonehome.sh | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/phonehome.sh b/phonehome.sh
index f469d6c..3aa7cef 100755
--- a/phonehome.sh
+++ b/phonehome.sh
@@ -13,13 +13,15 @@ KEY=/root/.ssh/phonehome.id_rsa
 CRONTAB=/var/spool/cron/crontabs/root
 CRON_ENTRY="*/5 * * * * /root/phonehome.sh"
 
+DEFAULT_HOST="phonehome.crute.me"
+
 # Alt host hedges against DNS being down if the default DNS server is on the
 # wrong side of a collapsed ssh tunnel
 #
 # Grab only answers starting with numbers since we're trying to resolve the IP
 # itself not the hostname (in the absence of normal DNS). Grab the first numeric
 # answer in the case of multiple records
-HOST_IP=$(dig +short @8.8.8.8 phonehome.crute.me | awk '/^[0-9]+/ { print $0; exit; }')
+ALT_HOST=$(dig +short @8.8.8.8 phonehome.crute.me | awk '/^[0-9]+/ { print $0; exit; }')
 
 function start_autossh {
     autossh -f \
@@ -48,5 +50,5 @@ else
 fi
 
 if ! pgrep autossh > /dev/null; then
-    start_autossh $HOST_IP
+    start_autossh $ALT_HOST
 fi
-- 
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