fall back to the hostname -f if the hostname -A returns empty string without error...

diff --git a/bin/generate-test-certificates.sh b/bin/generate-test-certificates.sh
index 854e98e..207edd1 100755 (executable)
--- a/bin/generate-test-certificates.sh
+++ b/bin/generate-test-certificates.sh
@@ -1226,6 +1226,9 @@ openssl version
 hostname_space=`hostname -A 2>/dev/null || hostname -f`
 #remove trailing space, take fist one if there are aliases
 hostname_full=`echo $hostname_space | awk '{print $1}'`
+if [ x${hostname_full} == "x" ]; then
+hostname_full=`hostname -f`
+
 echo host name is [$hostname_full]
 
 export DNS_HOSTNAME=DNS:$hostname_full