Merge pull request #2621 from bybai/hostname

fix hostname linux in statelite sles12.2

docs/source/guides/admin-guides/manage_clusters/ppc64le/statelite/config_statelite.rst

@@ -76,6 +76,7 @@ This is the minimal list of files needed, you can add additional files to the li
     "ALL","/etc/ntp.conf","tmpfs",,
     "ALL","/etc/ntp.conf.org","tmpfs",,
     "ALL","/etc/resolv.conf","tmpfs",,
+    "ALL","/etc/hostname","tmpfs",,
     "ALL","/etc/ssh/","tmpfs",,
     "ALL","/etc/sysconfig/","tmpfs",,
     "ALL","/etc/syslog-ng/","tmpfs",,

xCAT-server/share/xcat/netboot/sles/dracut_033/xcat-prepivot.sh

@@ -134,13 +134,16 @@ function getdevfrommac() {
     done
 }
 
-
 for lf in /tmp/dhclient.*.lease; do
     netif=${lf#*.}
     netif=${netif%.*}
     cp $lf  "$NEWROOT/var/lib/dhclient/dhclient-$netif.leases"
 done
 
+if [ -f $NEWROOT/etc/hostname ]; then 
+    echo `hostname -s` > $NEWROOT/etc/hostname
+fi
+
 if [ ! -z "$ifname" ]; then
     MACX=${ifname#*:}
     ETHX=${ifname%:$MACX*}