+#!/usr/bin/env bash
+set -eu -o pipefail
+
+# Log output automatically
+# referred from metal3 project
+LOGDIR="$(dirname $0)/logs"
+if [ ! -d "$LOGDIR" ]; then
+ mkdir -p "$LOGDIR"
+fi
+LOGFILE="$LOGDIR/$(basename $0 .sh)-$(date +%F-%H%M%S).log"
+exec 1> >( tee "${LOGFILE}" ) 2>&1