#!/bin/bash
#
# $Id$
# Copyright (C) 2007 The Trustees of Princeton University
# 

: ${UTIL_VSERVER_VARS:=/usr/lib/util-vserver/util-vserver-vars}
test -e "$UTIL_VSERVER_VARS" || {
    echo $"Can not find util-vserver installation (the file '$UTIL_VSERVER_VARS' would be expected); aborting..." >&2
    exit 1
}
. "$UTIL_VSERVER_VARS"

if test "$#" -ne 1; then
    echo $"Usage: $0 <guest>" >&2
    exit 1
fi

NAME="$1"
if ! test -r "$__CONFDIR/$NAME.conf" -a -d "$__DEFAULT_VSERVERDIR/$NAME"; then
    echo $"$NAME does not exist." >&2
    exit 1
fi

. "$__CONFDIR/$NAME.conf"

set -e

# build configuration directory
vuseradd "$NAME"

# copy old settings
function copy()
{
    test -z "$1" && return 0
    echo "$1" > "$__CONFDIR/$NAME/$2"
}

copy "$VS_WHITELISTED"	whitelisted
copy "$VS_DISK_MAX"	dlimits/0/space_total
if test -n "$CPUSHARE" -a -z "$CPULIMIT"; then
    CPULIMIT="$CPUSHARE"
fi

copy "$CPULIMIT"	sched/fill-rate2
if test "$CPUGUARANTEED" -eq 1; then
    copy "$CPULIMIT"	sched/fill-rate
fi

copy "$TASKLIMIT"	rlimits/nproc.hard
copy "$MEMLIMIT"	rlimits/rss.hard
for l in CPU RSS NPROC NOFILE MEMLOCK AS LOCKS SIGPENDING MSGQUEUE NSOCK OPENFD ANON SHMEM; do
    for i in HARD SOFT MINIMUM; do
	eval copy \"\$VS_${l}_${i}\" \"rlimits/`echo "${l}.${i}" | tr [A-Z] [a-z] | sed 's/minimum$/min/'`\"
    done
done

copy "$S_CAPS"		bcapabilities

exit 0