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:`hostname -i` \
82 --interface nodev:127.0.0.1 \
83 --flags persistent,~info_init
86 if [ $RETVAL -ne 0 ] ; then
87 echo "Error $RETVAL building $DIR"
88 rm -rf $DIR $__DEFAULT_VSERVERDIR/$NAME
90 mkdir -p $DIR/apps/init $DIR/rlimits $DIR/sched $DIR/cgroup $DIR/dlimits/0 $DIR/sysctl/0
91 echo default > $DIR/apps/init/mark
92 echo 1000 > $DIR/rlimits/nproc.hard
94 # Set persistent for the network context
95 echo persistent,lback_allow > $DIR/nflags
97 # Set default capabilities
98 echo "CAP_NET_RAW" > $DIR/bcapabilities
99 touch $DIR/ccapabilities
101 # Set up the scheduler
102 echo 100 > $DIR/sched/interval
103 echo 1000 > $DIR/sched/interval2
104 echo 0 > $DIR/sched/fill-rate
105 echo 1 > $DIR/sched/fill-rate2
106 touch $DIR/sched/idle-time
107 echo 100 > $DIR/sched/tokens
108 echo 50 > $DIR/sched/tokens-min
109 echo 100 > $DIR/sched/tokens-max
111 echo 1024 > $DIR/cgroup/cpu.shares
113 # Set up disk limits (10 GB)
114 echo `$_READLINK $DIR/vdir` > $DIR/dlimits/0/directory
115 echo 2 > $DIR/dlimits/0/reserved
116 echo -1 > $DIR/dlimits/0/inodes_total
117 echo 10000000 > $DIR/dlimits/0/space_total
119 # Set up sysctl variables
120 echo net.ipv4.ip_forward > $DIR/sysctl/0/setting
121 echo 1 > $DIR/sysctl/0/value
123 # Add spaces directory
126 # Remove the basically empty guest directory
127 rm -rf $__DEFAULT_VSERVERDIR/$NAME
128 # Move the guest back
129 if [ "$HAS_VSERVERDIR" = 1 ] ; then
130 mv "$TMP/$NAME" $__DEFAULT_VSERVERDIR/$NAME
135 if [ ! -d "$__DEFAULT_VSERVERDIR/$NAME" ] ; then
137 if [ "$TYPE" = "default" ] ; then
138 for i in "$__DEFAULT_VSERVERDIR/.vcache/"* ; do
139 [ -d "$i" ] && mv "$i" "$__DEFAULT_VSERVERDIR/$NAME" && break
143 # Build slice from reference image
144 if [ ! -d "$__DEFAULT_VSERVERDIR/$NAME" ] ; then
145 REF="$__DEFAULT_VSERVERDIR/.vref/$TYPE"
147 # Build in temporary directory
148 mkdir -p "$__DEFAULT_VSERVERDIR/.vtmp"
149 TMP=$(mktemp -d "$__DEFAULT_VSERVERDIR/.vtmp/$NAME.XXXXXX")
150 "$_VCLONE" "$REF"/ "$TMP"/
153 # Move it to its permanent location when complete
154 if [ $RETVAL -eq 0 ] ; then
155 mv "$TMP" "$__DEFAULT_VSERVERDIR/$NAME"
157 echo "Error $RETVAL building $__DEFAULT_VSERVERDIR/$NAME"
158 rm -rf "$TMP" $__CONFDIR/$NAME $__PKGSTATEDIR/$NAME.ctx
165 if [ -d "$__DEFAULT_VSERVERDIR/$NAME" ] ; then
167 chmod 755 "$__DEFAULT_VSERVERDIR/$NAME"
169 # Add user in vserver
170 $_VSERVER $NAME start --rescue sh -c \
171 "groupadd -g $GROUPID $GROUPNAME ; useradd -m -u $USERID -g $GROUPID -p '' $NAME"
173 # Stop the guest (since it's persistent)
176 # Add an unrestricted entry to /etc/sudoers file
177 if [ -f "$__DEFAULT_VSERVERDIR/$NAME/etc/sudoers" ] && \
178 ! grep -q "^$NAME" "$__DEFAULT_VSERVERDIR/$NAME/etc/sudoers" ; then
179 echo "$NAME ALL=(ALL) ALL" >> "$__DEFAULT_VSERVERDIR/$NAME/etc/sudoers"
182 cp -a /dev/fuse $__DEFAULT_VSERVERDIR/$NAME/dev/