3 # Copyright (C) 2003 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
5 # This program is free software; you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; version 2 of the License.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 # $VSERVER_DIR ... path to vserver-cfg dir
20 # $VSERVER_NAME ... name of vserver
22 declare -a NICE_CMD=()
23 declare -a CHBIND_OPTS=()
24 declare -a CAP_OPTS=()
25 declare -a CHCONTEXT_INIT_OPTS=()
26 declare -a CHCONTEXT_FLAG_OPTS=()
27 declare -a CHCONTEXT_OPTS=()
28 declare -a CAPCHROOT_OPTS=()
29 declare -a INTERFACES=()
31 declare -a INITCMD_START=()
32 declare -a INITCMD_START_SYNC=()
33 declare -a INITCMD_STOP=()
34 declare -a INITCMD_STOP_SYNC=()
35 declare -a INITCMD_PREPARE=()
36 declare -a INITKILL_SEQ=()
37 declare -a ENTER_SHELL=()
40 _HAVE_INTERFACE_OPTIONS=
49 : ${VSERVER_NAME:=$(basename "$VSERVER_DIR")}
51 if test -e "$VSERVER_DIR"/noisy -o "$OPTION_VERBOSE"; then
57 function _generateChbindOptions
63 test "$_HAVE_INTERFACE_OPTIONS" || _generateInterfaceOptions "$vdir"
65 local f=$vdir/interfaces/bcast
66 getFileValue bcast "$f"
68 CHBIND_OPTS=( $SILENT_OPT ${bcast:+--bcast "$bcast"} )
70 for i in "${INTERFACES[@]}"; do
71 CHBIND_OPTS=( "${CHBIND_OPTS[@]}" --ip "$i" )
74 _HAVE_CHBIND_OPTIONS=1
77 function _generateNiceCommand
82 test -r "$vdir/nice" || return 0;
83 read nice <"$vdir"/nice
85 NICE_CMD=( $_NICE -$nice )
88 function _generateCapabilityOptions
93 test -e "$vdir"/capabilities || return 0
102 CAP_OPTS=( "${CAP_OPTS[@]}" --cap "$cap" )
103 CAPCHROOT_OPTS=( "${CAPCHROOT_OPTS[@]}" --nochroot )
106 CAP_OPTS=( "${CAP_OPTS[@]}" --cap "$cap" );;
108 done <"$vdir"/capabilities
111 function getEnterShell
117 getFileValue ENTER_SHELL "$vdir"/shell
119 test "$ENTER_SHELL" || {
121 for i in "/bin/bash -login" "/bin/sh -l" /bin/csh; do
123 test -x "$vdir/vdir/$1" || continue
130 ## Usage: sendKillSequence <ctx> <signal> [<wait> <signal>]*
131 function sendKillSequence
137 while isCtxRunning "$ctx"; do
138 test -z "$wait" || sleep "$wait"
140 $_VKILL -c "$ctx" ${1:+-s "$1"}
147 function _generateInitOptions
150 local cfgdir=$vdir/apps/init
157 INITCMD_START_SYNC=()
161 INITKILL_SEQ=( 15 5 9 )
162 CHCONTEXT_INIT_OPTS=()
165 getFileValue INITSTYLE "$cfgdir"/style
166 getFileValue runlevel_start "$cfgdir"/runlevel
167 getFileValue runlevel_start "$cfgdir"/runlevel.start
168 getFileValue runlevel_stop "$cfgdir"/runlevel.stop
169 getFileArray INITKILL_SEQ "$cfgdir"/killseq
171 case x"$INITSTYLE" in
173 test "$runlevel_start" || runlevel_start=3
174 test "$runlevel_stop" || runlevel_stop=6
176 for i in /etc/init.d/rc /etc/rc.d/rc; do
177 test -x "$vdir/vdir/$i" || continue
178 INITCMD_START=( "$i" "$runlevel_start" )
179 INITCMD_STOP=( "$i" "$runlevel_stop" )
181 INITCMD_PREPARE=( $_FAKE_RUNLEVEL "$runlevel_start" /var/run/utmp )
185 INITCMD_START=( /sbin/init )
186 INITCMD_STOP=( /sbin/init )
187 CHCONTEXT_INIT_OPTS=( --disconnect --flag fakeinit )
188 test -z "$runlevel_start" || INITCMD_START=( "${INITCMD_START[@]}" "$runlevel_start" )
189 test -z "$runlevel_stop" || INITCMD_STOP=( "${INITCMD_STOP[@]}" "$runlevel_stop" )
193 INITCMD_START=( /sbin/minit-start )
194 INITCMD_STOP=( /sbin/minit-stop )
195 CHCONTEXT_INIT_OPTS=( --disconnect --flag fakeinit )
196 INITCMD_START_SYNC=( "$_INITSYNC_MINIT_START" "$vdir" )
197 INITCMD_STOP_SYNC=( "$_INITSYNC_MINIT_STOP" "$vdir" )
198 test -z "$runlevel_start" || INITCMD_START=( "${INITCMD_START[@]}" "$runlevel_start" )
199 test -z "$runlevel_stop" || INITCMD_STOP=( "${INITCMD_STOP[@]}" "$runlevel_stop" )
203 *) echo "Unknown init-style '$INITSTYLE'; aborting" >&2;
207 getFileArray INITCMD_START "$cfgdir"/cmd.start
208 getFileArray INITCMD_STOP "$cfgdir"/cmd.stop
209 getFileArray INITCMD_START_SYNC "$cfgdir"/cmd.start-sync
210 getFileArray INITCMD_STOP_SYNC "$cfgdir"/cmd.stop-sync
211 getFileArray INITCMD_PREPARE "$cfgdir"/cmd.prepare
214 test -e "$cfgdir"/sync -o "$OPTION_FORCE_SYNC" || {
215 INITCMD_START_SYNC=()
220 function _generateFlagOptions
224 CHCONTEXT_FLAG_OPTS=()
226 test -e "$vdir"/flags || return 0
233 CHCONTEXT_INIT_OPTS=( --disconnect --flag fakeinit )
236 CHCONTEXT_FLAG_OPTS=( "${CHCONTEXT_FLAG_OPTS[@]}"
242 isAvoidNamespace "$cfgdir" || \
243 CHCONTEXT_FLAG_OPTS=( "${CHCONTEXT_FLAG_OPTS[@]}" --flag namespace )
246 function _generateChcontextOptions
249 local ctx hostname domainname
254 read ctx <"$vdir"/context || :
255 read hostname <"$vdir"/hostname || :
256 read domainname <"$vdir"/domainname || :
259 test -z "$S_CONTEXT" || ctx=$S_CONTEXT
261 _generateCapabilityOptions "$vdir"
262 _generateFlagOptions "$vdir"
264 CHCONTEXT_OPTS=( $SILENT_OPT \
265 "${CHCONTEXT_FLAG_OPTS[@]}" \
268 ${ctx:+--ctx "$ctx"} \
269 ${hostname:+--hostname "$hostname"} \
270 ${domainname:+--domainname "$domainname"} )
273 function _getInterfaceValue
283 read tmp <"$i/$val" && break || :
290 ## Usage: _transformMask2Prefix <result-varname> <prefix> <mask>
291 function _transformMask2Prefix
296 $_MASK2PREFIX "$3" || tmp=$?
303 function _addInterfaceCmd
305 eval INTERFACE_CMDS_${INTERFACE_CMDS_IDX}='( "$@" )'
306 let ++INTERFACE_CMDS_IDX
309 ## Usage: _processSingleInterface <interface-directory>
310 function _processSingleInterface
322 _getInterfaceValue ip '' "$iface"
323 _getInterfaceValue dev '' "$iface" "$iface/.."
324 _getInterfaceValue prefix '' "$iface" "$iface/.."
325 _getInterfaceValue mask '' "$iface" "$iface/.."
326 _getInterfaceValue bcast '' "$iface" "$iface/.."
327 _getInterfaceValue name '' "$iface"
328 _getInterfaceValue scope '' "$iface" "$iface/.."
330 test "$ip" || { echo $"Can not read ip for '$iface'"; return 1; }
332 test ! -e "$iface"/only_ip || unset dev
335 _transformMask2Prefix prefix "$prefix" "$mask"
339 test -d /proc/net/vlan || {
340 echo -e $"VLAN device-name used, but vlan subsystem not enabled.\nTry to execute 'modprobe 8021q' before starting the vservers"
343 test -f /proc/net/vlan || {
344 _addInterfaceCmd VCONFIG "${dev/./ }"
345 _addInterfaceCmd IP_ADDR 127.0.0.1/8 broadcast 127.255.255.255 dev "$dev"
346 _addInterfaceCmd IP_LINK "$dev"
351 INTERFACES=( "${INTERFACES[@]}" "$ip${prefix:+/$prefix}" )
352 _addInterfaceCmd IP_ADDR "$ip${prefix:+/$prefix}" broadcast ${bcast:-+} ${name:+label "$dev:$name"} dev "$dev"
353 #_addInterfaceCmd IP_ROUTE "$ip${prefix:+/$prefix}" dev "$dev"
354 _addInterfaceCmd IP_LINK "$dev"
358 ## Usage: _generateInterfaceOptions <vserver-directory>
359 function _generateInterfaceOptions
363 for iface in "$1/interfaces/"*; do
364 test -d "$iface" || continue
365 test ! -e "$iface"/disabled || continue
367 _processSingleInterface "$iface"
369 _HAVE_INTERFACE_OPTIONS=1
372 function enableInterfaces
377 while test $i -lt $INTERFACE_CMDS_IDX; do
378 eval var='( "${INTERFACE_CMDS_'$i'[@]}" )'
383 VCONFIG) $_VCONFIG add "${var[@]}";;
384 IP_ADDR) $_IP addr add "${var[@]}";;
385 IP_LINK) $_IP link set "${var[@]}" up;;
386 IP_ROUTE) $_IP route add "${var[@]}";;
387 *) echo "Unknown interface-command type '$type'" >&2; false;;
394 function disableInterfaces
396 test "$_HAVE_INTERFACE_OPTIONS" || _generateInterfaceOptions "$1"
398 local i=$INTERFACE_CMDS_IDX
401 while test $i -gt 0; do
404 eval var='( "${INTERFACE_CMDS_'$i'[@]}" )'
409 VCONFIG) $_VCONFIG rem "${var[@]}";;
410 IP_ADDR) $_IP addr del "${var[@]}";;
411 IP_LINK) ;; ## Ignore the link-down command for now
412 IP_ROUTE) $_IP route del "${var[@]}";;
413 *) echo "Unknown interface-command type '$type'" >&2; false;;
418 ## Usage: prepareInit <vserver-directory>
421 pushd "$1/vdir" >/dev/null
424 { find var/run ! -type d -print0; \
425 find var/lock ! -type d -print0; } | xargs -0r $_CHROOT_RM
430 "${INITCMD_PREPARE[@]}"
434 function generateOptions
436 _generateInterfaceOptions "$1"
437 test "$_HAVE_CHBIND_OPTIONS" || _generateChbindOptions "$1"
438 _generateNiceCommand "$1"
439 _generateInitOptions "$1"
440 _generateChcontextOptions "$1"
443 function mountVserver
450 test -e "$cfgdir"/fstab || return 0
452 findObject -r mtab_src "$vdir"/apps/init/mtab "$CONFDIR"/.defaults/init/mtab "$PKGLIBDEFAULTDIR"/mtab /dev/null
454 pushd "$vdir" >/dev/null
455 $_CHROOT_CAT /etc/mtab <"$mtab_src"
458 test "$_HAVE_CHBIND_OPTIONS" || _generateChbindOptions "$cfgdir"
459 $_CHBIND "${CHBIND_OPTS[@]}" \
460 $_SECURE_MOUNT -a --chroot "$vdir" --fstab "$cfgdir"/fstab
462 isAvoidNamespace "$cfgdir" || \
463 $_SECURE_MOUNT --rbind -n "$vdir" "/"
466 function umountVserver
473 isAvoidNamespace "$cfgdir" || return 0
474 test -e "$cfgdir"/fstab || return 0
475 test "$_HAVE_CHBIND_OPTIONS" || _generateChbindOptions "$cfgdir"
477 pushd "$vdir/" >/dev/null
478 tac "$cfgdir"/fstab | while read src dst tmp; do
479 test "$tmp" || continue
484 $_CHBIND "${CHBIND_OPTS[@]}" $_EXEC_CD "$dst" \
485 $_UMOUNT -lfn . || is_ok=
494 local vdir name flavor start i
498 ## Usage: execScriptlets <vserver-cfgdir> <vserver-name> <script-flavor>
499 function execScriptlets
507 for i in "$vdir/scripts/$flavor" "$vdir/scripts/$flavor.d"/*; do
508 test -f "$i" -a -r "$i" || continue
509 test -x "$i" || start=_sourceWrap
510 $start "$i" "$flavor" "$name"