3 # useradd(8) wrapper for vservers
5 # Copyright (c) 2004 The Trustees of Princeton University (Trustees).
7 # $Id: vuseradd,v 1.21 2005/04/26 21:23:28 mlhuang Exp $
10 : ${UTIL_VSERVER_VARS:=$(dirname $0)/util-vserver-vars}
11 test -e "$UTIL_VSERVER_VARS" || {
12 echo "Can not find util-vserver installation; aborting..."
15 . "$UTIL_VSERVER_VARS"
24 [ "$1" == "--static" ] && { STATIC=yes; shift; }
27 # add slices group if not already present
28 groupadd slices 2>/dev/null || :
31 [ -z "$STATIC" ] && useradd -g slices -s /bin/vsh $NAME
33 # openssh-server 3.8 and above refuse login for "locked" accounts
34 sed -i -e "s/$NAME:\!\!:\(.*\)/$NAME:*:\1/" /etc/shadow
38 GROUPNAME=`id -gn $NAME`
40 # create vserver configuration file
41 if [ ! -f /etc/vservers/$NAME.conf ] ; then
43 -e "s/.*S_CONTEXT=.*/S_CONTEXT=$USERID/" \
44 -e "s/.*ONBOOT=.*/ONBOOT=yes/" \
45 < $PKGLIBDIR/sample.conf \
46 > /etc/vservers/$NAME.conf
49 if [ ! -d "$VROOTDIR/$NAME" ] ; then
52 for i in "$VROOTDIR/.vcache/"* ; do
53 [ -d "$i" ] && mv "$i" "$VROOTDIR/$NAME" && break
56 if [ ! -d "$VROOTDIR/$NAME" ] ; then
57 # build image in .vtmp
58 TMP=$(mktemp -d "$VROOTDIR/.vtmp/$NAME.XXXXXX")
59 "$PKGLIBDIR/vbuild" "$VROOTDIR/vserver-reference" "$TMP"
61 # move it to .vcache when complete
62 if [ $RETVAL -ne 0 ] ; then
63 echo "Error $RETVAL building $VROOTDIR/$NAME"
64 rm -rf "$TMP" /etc/vservers/$NAME.conf /var/run/vservers/$NAME.ctx
69 vnewsize=$(du -s "$TMP" | awk "{ print \$1 }")
70 vrefsize=$(du -s "$VROOTDIR/vserver-reference" | awk "{ print \$1 }")
71 if [ $vnewsize -lt $vrefsize ] ; then
72 echo "WARNING: Unexpected for 'du -s $VROOTDIR/$NAME'=$vnewsize to be less than 'du -s $VROOTDIR/vserver-reference'=$vrefsize"
75 mv "$TMP" "$VROOTDIR/$NAME"
80 if [ -d "$VROOTDIR/$NAME" ] ; then
82 chmod 755 "$VROOTDIR/$NAME"
85 vserver $NAME suexec root groupadd -g $GROUPID $GROUPNAME
86 vserver $NAME suexec root useradd -u $USERID -g $GROUPID -p '' $NAME
88 # add an unrestricted entry to /etc/sudoers file
89 if [ -f "$VROOTDIR/$NAME/etc/sudoers" ] && \
90 ! grep -q "^$NAME" "$VROOTDIR/$NAME/etc/sudoers" ; then
91 echo "$NAME ALL=(ALL) ALL" >> "$VROOTDIR/$NAME/etc/sudoers"
95 # turn resource management on for vserver $NAME
96 service resman start $NAME
97 # XXX - resman doesn't print a trailing newline