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=()
39 declare -a OPTS_VCONTEXT_CREATE=()
40 declare -a OPTS_VCONTEXT_MIGRATE=()
41 declare -a OPTS_VATTRIBUTE=()
45 _HAVE_INTERFACE_OPTIONS=
54 : ${VSERVER_NAME:=$(basename "$VSERVER_DIR")}
56 if test -e "$VSERVER_DIR"/noisy -o "$OPTION_VERBOSE"; then
62 function _generateChbindOptions
68 test "$_HAVE_INTERFACE_OPTIONS" || _generateInterfaceOptions "$vdir"
70 local f=$vdir/interfaces/bcast
71 getFileValue bcast "$f"
73 CHBIND_OPTS=( $SILENT_OPT ${bcast:+--bcast "$bcast"} )
75 for i in "${INTERFACES[@]}"; do
76 CHBIND_OPTS=( "${CHBIND_OPTS[@]}" --ip "$i" )
79 _HAVE_CHBIND_OPTIONS=1
82 function _generateNiceCommand
87 test -r "$vdir/nice" || return 0;
88 read nice <"$vdir"/nice
90 NICE_CMD=( $_NICE -$nice )
93 function _generateCCapabilityOptions
97 local f="$vdir"/ccapabilities
99 test -e "$f" || return 0
103 (*) OPTS_VATTRIBUTE=( "${OPTS_VATTRIBUTE[@]}" --ccap "$cap" );;
108 function _generateBCapabilityOptions
112 local f="$vdir"/bcapabilities
114 test -e "$f" || return 0
118 (*) OPTS_VATTRIBUTE=( "${OPTS_VATTRIBUTE[@]}" --bcap "$cap" );;
123 function _generateCapabilityOptions
128 _generateBCapabilityOptions "$vdir"
129 _generateCCapabilityOptions "$vdir"
131 test -e "$vdir"/capabilities || return 0
140 CAP_OPTS=( "${CAP_OPTS[@]}" --cap "$cap" )
141 CAPCHROOT_OPTS=( "${CAPCHROOT_OPTS[@]}" --nochroot )
144 CAP_OPTS=( "${CAP_OPTS[@]}" --cap "$cap" )
147 done <"$vdir"/capabilities
150 function getEnterShell
156 getFileValue ENTER_SHELL "$vdir"/shell
158 test "$ENTER_SHELL" || {
160 for i in "/bin/bash -login" "/bin/sh -l" /bin/csh; do
162 test -x "$vdir/vdir/$1" || continue
169 ## Usage: sendKillSequence <ctx> <signal> [<wait> <signal>]*
170 function sendKillSequence
176 while isCtxRunning "$ctx"; do
177 test -z "$wait" || sleep "$wait"
179 $_VKILL -c "$ctx" ${1:+-s "$1"}
186 function _generateInitOptions
189 local cfgdir=$vdir/apps/init
196 INITCMD_START_SYNC=()
200 INITKILL_SEQ=( 15 5 9 )
201 CHCONTEXT_INIT_OPTS=()
204 getFileValue INITSTYLE "$cfgdir"/style
205 getFileValue runlevel_start "$cfgdir"/runlevel
206 getFileValue runlevel_start "$cfgdir"/runlevel.start
207 getFileValue runlevel_stop "$cfgdir"/runlevel.stop
208 getFileArray INITKILL_SEQ "$cfgdir"/killseq
210 case x"$INITSTYLE" in
212 test "$runlevel_start" || runlevel_start=3
213 test "$runlevel_stop" || runlevel_stop=6
215 for i in /etc/init.d/rc /etc/rc.d/rc; do
216 test -x "$vdir/vdir/$i" || continue
217 INITCMD_START=( "$i" "$runlevel_start" )
218 INITCMD_STOP=( "$i" "$runlevel_stop" )
220 INITCMD_PREPARE=( $_FAKE_RUNLEVEL "$runlevel_start" /var/run/utmp )
224 INITCMD_START=( /sbin/init )
225 INITCMD_STOP=( /sbin/init )
226 CHCONTEXT_INIT_OPTS=( --disconnect --flag fakeinit )
227 OPTS_VCONTEXT_MIGRATE=( "${OPTS_VCONTEXT_MIGRATE[@]}" --fakeinit --disconnect )
228 test -z "$runlevel_start" || INITCMD_START=( "${INITCMD_START[@]}" "$runlevel_start" )
229 test -z "$runlevel_stop" || INITCMD_STOP=( "${INITCMD_STOP[@]}" "$runlevel_stop" )
233 INITCMD_START=( /sbin/minit-start )
234 INITCMD_STOP=( /sbin/minit-stop )
235 CHCONTEXT_INIT_OPTS=( --disconnect --flag fakeinit )
236 INITCMD_START_SYNC=( "$_INITSYNC_MINIT_START" "$vdir" )
237 INITCMD_STOP_SYNC=( "$_INITSYNC_MINIT_STOP" "$vdir" )
238 OPTS_VCONTEXT_MIGRATE=( "${OPTS_VCONTEXT_MIGRATE[@]}" --fakeinit --disconnect )
239 test -z "$runlevel_start" || INITCMD_START=( "${INITCMD_START[@]}" "$runlevel_start" )
240 test -z "$runlevel_stop" || INITCMD_STOP=( "${INITCMD_STOP[@]}" "$runlevel_stop" )
244 (*) echo "Unknown init-style '$INITSTYLE'; aborting" >&2;
248 getFileArray INITCMD_START "$cfgdir"/cmd.start
249 getFileArray INITCMD_STOP "$cfgdir"/cmd.stop
250 getFileArray INITCMD_START_SYNC "$cfgdir"/cmd.start-sync
251 getFileArray INITCMD_STOP_SYNC "$cfgdir"/cmd.stop-sync
252 getFileArray INITCMD_PREPARE "$cfgdir"/cmd.prepare
255 test -e "$cfgdir"/sync -o "$OPTION_FORCE_SYNC" || {
256 INITCMD_START_SYNC=()
261 function _generateFlagOptions
265 CHCONTEXT_FLAG_OPTS=()
267 test -e "$vdir"/flags || return 0
274 CHCONTEXT_INIT_OPTS=( --disconnect --flag fakeinit )
275 OPTS_VCONTEXT_MIGRATE=( "${OPTS_VCONTEXT_MIGRATE[@]}" --fakeinit --disconnect )
278 OPTS_VATTRIBUTE=( "${OPTS_VATTRIBUTE[@]}" --flag "$flag" )
279 CHCONTEXT_FLAG_OPTS=( "${CHCONTEXT_FLAG_OPTS[@]}"
285 isAvoidNamespace "$cfgdir" || {
287 CHCONTEXT_FLAG_OPTS=( "${CHCONTEXT_FLAG_OPTS[@]}" --flag namespace )
291 function _generateChcontextOptions
294 local ctx hostname domainname
299 read ctx <"$vdir"/context || :
300 read hostname <"$vdir"/hostname || :
301 read domainname <"$vdir"/domainname || :
304 test -z "$S_CONTEXT" || ctx=$S_CONTEXT
306 _generateCapabilityOptions "$vdir"
307 _generateFlagOptions "$vdir"
309 CHCONTEXT_OPTS=( $SILENT_OPT \
310 "${CHCONTEXT_FLAG_OPTS[@]}" \
313 ${ctx:+--ctx "$ctx"} \
314 ${hostname:+--hostname "$hostname"} \
315 ${domainname:+--domainname "$domainname"} )
317 OPTS_VCONTEXT_CREATE=( $SILENT_OPT \
318 ${ctx:+--xid "$ctx"} )
319 ## put '--secure' at front so that it can be overridden
320 OPTS_VATTRIBUTE=( --secure "${OPTS_VATTRIBUTE[@]}" )
323 function _getInterfaceValue
333 read tmp <"$i/$val" && break || :
340 ## Usage: _transformMask2Prefix <result-varname> <prefix> <mask>
341 function _transformMask2Prefix
346 $_MASK2PREFIX "$3" || tmp=$?
353 function _addInterfaceCmd
355 eval INTERFACE_CMDS_${INTERFACE_CMDS_IDX}='( "$@" )'
356 let ++INTERFACE_CMDS_IDX
359 ## Usage: _processSingleInterface <interface-directory>
360 function _processSingleInterface
372 _getInterfaceValue ip '' "$iface"
373 _getInterfaceValue dev '' "$iface" "$iface/.."
374 _getInterfaceValue prefix '' "$iface" "$iface/.."
375 _getInterfaceValue mask '' "$iface" "$iface/.."
376 _getInterfaceValue bcast '' "$iface" "$iface/.."
377 _getInterfaceValue name '' "$iface"
378 _getInterfaceValue scope '' "$iface" "$iface/.."
380 test "$ip" || { echo $"Can not read ip for '$iface'" >&2; return 1; }
382 test ! -e "$iface"/only_ip || {
383 echo $"The 'only_ip' flag for interface '$iface' is deprecated; use 'nodev' instead of" >&2
386 test ! -e "$iface"/nodev || unset dev
389 _transformMask2Prefix prefix "$prefix" "$mask"
393 test -d /proc/net/vlan || {
394 echo -e $"VLAN device-name used, but vlan subsystem not enabled.\nTry to execute 'modprobe 8021q' before starting the vservers" >&2
397 test -f /proc/net/vlan || {
398 _addInterfaceCmd VCONFIG "${dev/./ }"
399 _addInterfaceCmd IP_ADDR 127.0.0.1/8 broadcast 127.255.255.255 dev "$dev"
400 _addInterfaceCmd IP_LINK "$dev"
405 INTERFACES=( "${INTERFACES[@]}" "$ip${prefix:+/$prefix}" )
406 _addInterfaceCmd IP_ADDR "$ip${prefix:+/$prefix}" broadcast ${bcast:-+} ${name:+label "$dev:$name"} dev "$dev"
407 #_addInterfaceCmd IP_ROUTE "$ip${prefix:+/$prefix}" dev "$dev"
408 _addInterfaceCmd IP_LINK "$dev"
412 ## Usage: _generateInterfaceOptions <vserver-directory>
413 function _generateInterfaceOptions
417 for iface in "$1/interfaces/"*; do
418 test -d "$iface" || continue
419 test ! -e "$iface"/disabled || continue
421 _processSingleInterface "$iface"
423 _HAVE_INTERFACE_OPTIONS=1
426 function enableInterfaces
431 while test $i -lt $INTERFACE_CMDS_IDX; do
432 eval var='( "${INTERFACE_CMDS_'$i'[@]}" )'
437 VCONFIG) $_VCONFIG add "${var[@]}";;
438 IP_ADDR) $_IP addr add "${var[@]}";;
439 IP_LINK) $_IP link set "${var[@]}" up;;
440 IP_ROUTE) $_IP route add "${var[@]}";;
441 *) echo "Unknown interface-command type '$type'" >&2; false;;
448 function disableInterfaces
450 test "$_HAVE_INTERFACE_OPTIONS" || _generateInterfaceOptions "$1"
452 local i=$INTERFACE_CMDS_IDX
455 while test $i -gt 0; do
458 eval var='( "${INTERFACE_CMDS_'$i'[@]}" )'
463 VCONFIG) $_VCONFIG rem "${var[@]}";;
464 IP_ADDR) $_IP addr del "${var[@]}";;
465 IP_LINK) ;; ## Ignore the link-down command for now
466 IP_ROUTE) $_IP route del "${var[@]}";;
467 *) echo "Unknown interface-command type '$type'" >&2; false;;
472 ## Usage: prepareInit <vserver-directory>
475 pushd "$1/vdir" >/dev/null
478 { find var/run ! -type d -print0; \
479 find var/lock ! -type d -print0; } | xargs -0r $_CHROOT_RM
484 "${INITCMD_PREPARE[@]}"
488 function generateOptions
490 _generateInterfaceOptions "$1"
491 test "$_HAVE_CHBIND_OPTIONS" || _generateChbindOptions "$1"
492 _generateNiceCommand "$1"
493 _generateInitOptions "$1"
494 _generateChcontextOptions "$1"
497 function mountVserver
504 test -e "$cfgdir"/fstab || return 0
506 findObject -r mtab_src "$vdir"/apps/init/mtab "$CONFDIR"/.defaults/init/mtab "$PKGLIBDEFAULTDIR"/mtab /dev/null
508 pushd "$vdir" >/dev/null
509 $_CHROOT_CAT /etc/mtab <"$mtab_src"
512 test "$_HAVE_CHBIND_OPTIONS" || _generateChbindOptions "$cfgdir"
514 test -z "$NAMESPACE_CLEANUP" || isAvoidNamespace "$cfgdir" || \
515 $_VNAMESPACE --cleanup
517 $_CHBIND "${CHBIND_OPTS[@]}" \
518 $_SECURE_MOUNT -a --chroot "$vdir" --fstab "$cfgdir"/fstab
520 isAvoidNamespace "$cfgdir" || \
521 $_SECURE_MOUNT --rbind -n "$vdir" "/"
524 function umountVserver
531 isAvoidNamespace "$cfgdir" || return 0
532 test -e "$cfgdir"/fstab || return 0
533 test "$_HAVE_CHBIND_OPTIONS" || _generateChbindOptions "$cfgdir"
535 pushd "$vdir/" >/dev/null
536 tac "$cfgdir"/fstab | while read src dst tmp; do
537 test "$tmp" || continue
542 $_CHBIND "${CHBIND_OPTS[@]}" $_EXEC_CD "$dst" \
543 $_UMOUNT -lfn . || is_ok=
552 local vdir name flavor start i
556 ## Usage: execScriptlets <vserver-cfgdir> <vserver-name> <script-flavor>
557 function execScriptlets
565 for i in "$vdir/scripts/$flavor" "$vdir/scripts/$flavor.d"/*; do
566 test -f "$i" -a -r "$i" || continue
567 test -x "$i" || start=_sourceWrap
568 $start "$i" "$flavor" "$name"