limit fai nfs export to host being installed

[automated-distro-installer] / chost

diff --git a/chost b/chost
index 9a0034f120db7e94ee0377f4f5b98c27ea19f4ce..77e17d467b3447468c59b832efbd3da893e59b06 100755 (executable)
--- a/chost
+++ b/chost
@@ -1,4 +1,5 @@
 #!/bin/bash
+# Copyright (C) 2016 Ian Kelling
 
 # chost: get canonical hostname
 
@@ -6,8 +7,6 @@ set -eE -o pipefail
 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
 
 host=$1
-addr=$(host $host)
-addr=${addr##* }
-h=$(host $addr)
-h=${h##* }
+addr=$(getent hosts $host | awk '{print $1}')
+h=$(getent hosts $addr | awk '{print $2}')
 echo ${h%%.*}