3 # useradd(8) wrapper for vservers
5 # Mark Huang <mlhuang@cs.princeton.edu>
6 # Copyright (C) 2004-2006 The Trustees of Princeton University
11 : ${UTIL_VSERVER_VARS:=/usr/lib/util-vserver/util-vserver-vars}
12 test -e "$UTIL_VSERVER_VARS" || {
13 echo "Can not find util-vserver installation; aborting..."
16 . "$UTIL_VSERVER_VARS"
26 pushd "$__DEFAULT_VSERVERDIR/.vref" >/dev/null
28 if [ -z "$TYPES" ] ; then
36 echo "Usage: vuseradd [OPTION]... [NAME]"
37 echo " -t Reference image type ($TYPES)"
42 while getopts "t:" opt ; do
52 shift $(($OPTIND - 1))
58 # Add slices group to /etc/group if not already present
59 groupadd slices 2>/dev/null || :
61 # Add slice name to /etc/passwd
62 useradd -g slices -s /bin/vsh $NAME -p '*'
66 GROUPNAME=`id -gn $NAME`
68 # Create /etc/vservers configuration files
69 if [ ! -d $__CONFDIR/$NAME ] ; then
70 # Move away the guest contents for now
71 if [ -d $__DEFAULT_VSERVERDIR/$NAME ] ; then
72 mkdir -p "$__DEFAULT_VSERVERDIR/.vtmp"
73 TMP=$(mktemp -d "$__DEFAULT_VSERVERDIR/.vtmp/$NAME.XXXXXX")
74 mv $__DEFAULT_VSERVERDIR/$NAME "$TMP"
80 $_VSERVER $NAME build -m skeleton --context $USERID \
81 --interface nodev:0.0.0.0/0 \
82 --flags persistent,~info_init,sched_hard
85 if [ $RETVAL -ne 0 ] ; then
86 echo "Error $RETVAL building $DIR"
87 rm -rf $DIR $__DEFAULT_VSERVERDIR/$NAME
89 mkdir -p $DIR/apps/init $DIR/rlimits $DIR/sched $DIR/dlimits/0
90 echo default > $DIR/apps/init/mark
91 echo 1000 > $DIR/rlimits/nproc.hard
93 # Set persistent for the network context
94 echo persistent > $DIR/nflags
96 # Set up the scheduler
97 echo 100 > $DIR/sched/interval
98 echo 1000 > $DIR/sched/interval2
99 echo 0 > $DIR/sched/fill-rate
100 echo 1 > $DIR/sched/fill-rate2
101 touch $DIR/sched/idle-time
102 echo 100 > $DIR/sched/tokens
103 echo 50 > $DIR/sched/tokens-min
104 echo 100 > $DIR/sched/tokens-max
106 # Set up disk limits (unlimited)
107 echo `$_READLINK $DIR/vdir` > $DIR/dlimits/0/directory
108 echo 2 > $DIR/dlimits/0/reserved
109 echo -1 > $DIR/dlimits/0/inodes_total
110 echo -1 > $DIR/dlimits/0/space_total
112 # Disable mount namespaces
113 touch $DIR/nonamespace
115 # Remove the basically empty guest directory
116 rm -rf $__DEFAULT_VSERVERDIR/$NAME
117 # Move the guest back
118 if [ "$HAS_VSERVERDIR" = 1 ] ; then
119 mv "$TMP/$NAME" $__DEFAULT_VSERVERDIR/$NAME
124 if [ ! -d "$__DEFAULT_VSERVERDIR/$NAME" ] ; then
126 if [ "$TYPE" = "default" ] ; then
127 for i in "$__DEFAULT_VSERVERDIR/.vcache/"* ; do
128 [ -d "$i" ] && mv "$i" "$__DEFAULT_VSERVERDIR/$NAME" && break
132 # Build slice from reference image
133 if [ ! -d "$__DEFAULT_VSERVERDIR/$NAME" ] ; then
134 REF="$__DEFAULT_VSERVERDIR/.vref/$TYPE"
136 # Build in temporary directory
137 mkdir -p "$__DEFAULT_VSERVERDIR/.vtmp"
138 TMP=$(mktemp -d "$__DEFAULT_VSERVERDIR/.vtmp/$NAME.XXXXXX")
139 "$_VCLONE" "$REF"/ "$TMP"/
142 # Move it to its permanent location when complete
143 if [ $RETVAL -eq 0 ] ; then
144 mv "$TMP" "$__DEFAULT_VSERVERDIR/$NAME"
146 echo "Error $RETVAL building $__DEFAULT_VSERVERDIR/$NAME"
147 rm -rf "$TMP" $__CONFDIR/$NAME $__PKGSTATEDIR/$NAME.ctx
154 if [ -d "$__DEFAULT_VSERVERDIR/$NAME" ] ; then
156 chmod 755 "$__DEFAULT_VSERVERDIR/$NAME"
158 # Add user in vserver
159 $_VSERVER $NAME start --rescue sh -c \
160 "groupadd -g $GROUPID $GROUPNAME ; useradd -m -u $USERID -g $GROUPID -p '' $NAME"
162 # Stop the guest (since it's persistent)
165 # Add an unrestricted entry to /etc/sudoers file
166 if [ -f "$__DEFAULT_VSERVERDIR/$NAME/etc/sudoers" ] && \
167 ! grep -q "^$NAME" "$__DEFAULT_VSERVERDIR/$NAME/etc/sudoers" ; then
168 echo "$NAME ALL=(ALL) ALL" >> "$__DEFAULT_VSERVERDIR/$NAME/etc/sudoers"
171 cp -a /dev/fuse $__DEFAULT_VSERVERDIR/$NAME/dev/