3 # useradd(8) wrapper for vservers
5 # Copyright (c) 2004 The Trustees of Princeton University (Trustees).
7 # $Id: vuseradd,v 1.20 2004/11/23 14:47:35 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"
26 # add slices group if not already present
27 groupadd slices 2>/dev/null || :
30 useradd -g slices -s /bin/vsh $NAME
32 # openssh-server 3.8 and above refuse login for "locked" accounts
33 sed -i -e "s/$NAME:\!\!:\(.*\)/$NAME:*:\1/" /etc/shadow
35 USERID=$(awk -F: "\$1 == \"$NAME\" { print \$3 }" < /etc/passwd)
36 GROUPID=$(awk -F: "\$1 == \"slices\" { print \$3 }" < /etc/group)
38 # create vserver configuration file
39 if [ ! -f /etc/vservers/$NAME.conf ] ; then
41 -e "s/.*S_CONTEXT=.*/S_CONTEXT=$USERID/" \
42 -e "s/.*ONBOOT=.*/ONBOOT=yes/" \
43 < $PKGLIBDIR/sample.conf \
44 > /etc/vservers/$NAME.conf
47 if [ ! -d "$VROOTDIR/$NAME" ] ; then
50 for i in "$VROOTDIR/.vcache/"* ; do
51 [ -d "$i" ] && mv "$i" "$VROOTDIR/$NAME" && break
54 if [ ! -d "$VROOTDIR/$NAME" ] ; then
55 # build image in .vtmp
56 TMP=$(mktemp -d "$VROOTDIR/.vtmp/$NAME.XXXXXX")
57 "$PKGLIBDIR/vbuild" "$VROOTDIR/vserver-reference" "$TMP"
59 # move it to .vcache when complete
60 if [ $RETVAL -ne 0 ] ; then
61 echo "Error $RETVAL building $VROOTDIR/$NAME"
62 rm -rf "$TMP" /etc/vservers/$NAME.conf /var/run/vservers/$NAME.ctx
67 vnewsize=$(du -s "$TMP" | awk "{ print \$1 }")
68 vrefsize=$(du -s "$VROOTDIR/vserver-reference" | awk "{ print \$1 }")
69 if [ $vnewsize -lt $vrefsize ] ; then
70 echo "WARNING: Unexpected for 'du -s $VROOTDIR/$NAME'=$vnewsize to be less than 'du -s $VROOTDIR/vserver-reference'=$vrefsize"
73 mv "$TMP" "$VROOTDIR/$NAME"
78 if [ -d "$VROOTDIR/$NAME" ] ; then
80 chmod 755 "$VROOTDIR/$NAME"
83 vserver $NAME suexec root groupadd -g $GROUPID slices
84 vserver $NAME suexec root useradd -u $USERID -g $GROUPID -p '' $NAME
86 # add an unrestricted entry to /etc/sudoers file
87 if [ -f "$VROOTDIR/$NAME/etc/sudoers" ] && \
88 ! grep -q "^$NAME" "$VROOTDIR/$NAME/etc/sudoers" ; then
89 echo "$NAME ALL=(ALL) ALL" >> "$VROOTDIR/$NAME/etc/sudoers"
93 # turn resource management on for vserver $NAME
94 service resman start $NAME