#!/bin/bash
#
# userdel(8) wrapper for vservers
#
# Copyright (c) 2004  The Trustees of Princeton University (Trustees).
#
# $Id$
#

: ${UTIL_VSERVER_VARS:=/usr/lib/util-vserver/util-vserver-vars}
test -e "$UTIL_VSERVER_VARS" || {
    echo "Can not find util-vserver installation; aborting..."
    exit 1
}
. "$UTIL_VSERVER_VARS"

usage()
{
    echo "usage: $0 name"
    exit 1
}

[ -z "$1" ] && usage
[ "$1" == "--static" ] && { STATIC=yes; shift; }
NAME=$1

# read config file to get context ID
CTX=`cat $__CONFDIR/$NAME/context`

# delete user
[ -z "$STATIC" ] && userdel -r $NAME

# don't bother stopping gracefully, just kill all the processes
$_VKILL -c "$CTX" -s 15 -- -1
sleep 2
$_VKILL -c "$CTX" -s 9 -- -1
$_VATTRIBUTE --set --xid "$CTX" --flag ~persistent
$_NATTRIBUTE --set --nid "$CTX" --flag ~persistent

# unmount any directories in vserver that are mount points
for d in `sed -ne "s%^[^ ]* \($__DEFAULT_VSERVERDIR/$NAME/[^ ]*\) .*%\1%p" /proc/mounts`
do
        # use echo -e to turn escaped whitespace back into regular chars
        # be careful about embedded backquotes here (i think we're safe)
        dir=`echo -e "$d"`
        echo "unmounting $dir"
        umount -l "$dir"
done

# remove vserver configuration directory
rm -rf /etc/vservers/$NAME

# remove vserver profile
rm -f /var/run/vservers/$NAME.ctx

# destroy vserver
if [ -d $__DEFAULT_VSERVERDIR/$NAME ] ; then
    TMP=$(mktemp -d "$__DEFAULT_VSERVERDIR/.vtmp/$NAME.XXXXXX")
    mv "$__DEFAULT_VSERVERDIR/$NAME" "$TMP"
    rm -rf "$TMP"
fi