3 # useradd(8) wrapper for vservers
5 # Copyright (c) 2004 The Trustees of Princeton University (Trustees).
7 # $Id: vuseradd,v 1.19 2004/11/17 20:37:32 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 $NAME
32 USERID=$(awk -F: "\$1 == \"$NAME\" { print \$3 }" < /etc/passwd)
33 GROUPID=$(awk -F: "\$1 == \"slices\" { print \$3 }" < /etc/group)
35 # create vserver configuration file
36 if [ ! -f /etc/vservers/$NAME.conf ] ; then
38 -e "s/.*S_CONTEXT=.*/S_CONTEXT=$USERID/" \
39 -e "s/.*ONBOOT=.*/ONBOOT=yes/" \
40 < $PKGLIBDIR/sample.conf \
41 > /etc/vservers/$NAME.conf
44 if [ ! -d "$VROOTDIR/$NAME" ] ; then
47 for i in "$VROOTDIR/.vcache/"* ; do
48 [ -d "$i" ] && mv "$i" "$VROOTDIR/$NAME" && break
51 if [ ! -d "$VROOTDIR/$NAME" ] ; then
52 # build image in .vtmp
53 TMP=$(mktemp -d "$VROOTDIR/.vtmp/$NAME.XXXXXX")
54 "$PKGLIBDIR/vbuild" "$VROOTDIR/vserver-reference" "$TMP"
56 # move it to .vcache when complete
57 if [ $RETVAL -ne 0 ] ; then
58 echo "Error $RETVAL building $VROOTDIR/$NAME"
59 rm -rf "$TMP" /etc/vservers/$NAME.conf /var/run/vservers/$NAME.ctx
64 vnewsize=$(du -s "$TMP" | awk "{ print \$1 }")
65 vrefsize=$(du -s "$VROOTDIR/vserver-reference" | awk "{ print \$1 }")
66 if [ $vnewsize -lt $vrefsize ] ; then
67 echo "WARNING: Unexpected for 'du -s $VROOTDIR/$NAME'=$vnewsize to be less than 'du -s $VROOTDIR/vserver-reference'=$vrefsize"
70 mv "$TMP" "$VROOTDIR/$NAME"
75 if [ -d "$VROOTDIR/$NAME" ] ; then
77 chmod 755 "$VROOTDIR/$NAME"
80 vserver $NAME suexec root groupadd -g $GROUPID slices
81 vserver $NAME suexec root useradd -u $USERID -g $GROUPID -p '' $NAME
83 # add an unrestricted entry to /etc/sudoers file
84 if [ -f "$VROOTDIR/$NAME/etc/sudoers" ] && \
85 ! grep -q "^$NAME" "$VROOTDIR/$NAME/etc/sudoers" ; then
86 echo "$NAME ALL=(ALL) ALL" >> "$VROOTDIR/$NAME/etc/sudoers"
90 # turn resource management on for vserver $NAME
91 service resman start $NAME