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=()
42 declare -a OPTS_VSCHED=()
44 declare -a VSERVER_EXTRA_CMDS=()
48 _HAVE_INTERFACE_OPTIONS=
58 : ${VSERVER_NAME:=$(basename "$VSERVER_DIR")}
60 if test -e "$VSERVER_DIR"/noisy -o "$OPTION_VERBOSE"; then
66 function _generateChbindOptions
72 test "$_HAVE_INTERFACE_OPTIONS" || _generateInterfaceOptions "$vdir"
74 local f=$vdir/interfaces/bcast
75 getFileValue bcast "$f"
77 CHBIND_OPTS=( $SILENT_OPT ${bcast:+--bcast "$bcast"} )
79 for i in "${INTERFACES[@]}"; do
80 CHBIND_OPTS=( "${CHBIND_OPTS[@]}" --ip "$i" )
83 _HAVE_CHBIND_OPTIONS=1
86 function _generateNiceCommand
91 test -r "$vdir/nice" || return 0;
92 read nice <"$vdir"/nice
94 NICE_CMD=( $_NICE -$nice )
97 function _generateCCapabilityOptions
101 local f="$vdir"/ccapabilities
103 test -e "$f" || return 0
107 (*) OPTS_VATTRIBUTE=( "${OPTS_VATTRIBUTE[@]}" --ccap "$cap" );;
112 function _generateBCapabilityOptions
116 local f="$vdir"/bcapabilities
118 test -e "$f" || return 0
122 (*) OPTS_VATTRIBUTE=( "${OPTS_VATTRIBUTE[@]}" --bcap "$cap" );;
127 function _generateCapabilityOptions
132 _generateBCapabilityOptions "$vdir"
133 _generateCCapabilityOptions "$vdir"
135 test -e "$vdir"/capabilities || return 0
144 CAP_OPTS=( "${CAP_OPTS[@]}" --cap "$cap" )
145 CAPCHROOT_OPTS=( "${CAPCHROOT_OPTS[@]}" --nochroot )
148 CAP_OPTS=( "${CAP_OPTS[@]}" --cap "$cap" )
151 done <"$vdir"/capabilities
154 function getEnterShell
160 getFileValue ENTER_SHELL "$vdir"/shell
162 test "$ENTER_SHELL" || {
164 for i in "/bin/bash -login" "/bin/sh -l" /bin/csh; do
166 test -x "$vdir/vdir/$1" || continue
173 ## Usage: sendKillSequence <ctx> <signal> [<wait> <signal>]*
174 function sendKillSequence
180 while isCtxRunning "$ctx"; do
181 test -z "$wait" || sleep "$wait"
183 $_VKILL -c "$ctx" ${1:+-s "$1"}
190 function _generateInitOptions
193 local cfgdir=$vdir/apps/init
200 INITCMD_START_SYNC=()
204 INITKILL_SEQ=( 15 5 9 )
205 CHCONTEXT_INIT_OPTS=()
208 getFileValue INITSTYLE "$cfgdir"/style
209 getFileValue runlevel_start "$cfgdir"/runlevel
210 getFileValue runlevel_start "$cfgdir"/runlevel.start
211 getFileValue runlevel_stop "$cfgdir"/runlevel.stop
212 getFileArray INITKILL_SEQ "$cfgdir"/killseq
214 case x"$INITSTYLE" in
216 test "$runlevel_start" || runlevel_start=3
217 test "$runlevel_stop" || runlevel_stop=6
219 for i in /etc/init.d/rc /etc/rc.d/rc; do
220 test -x "$vdir/vdir/$i" || continue
221 INITCMD_START=( "$i" "$runlevel_start" )
222 INITCMD_STOP=( "$i" "$runlevel_stop" )
224 INITCMD_PREPARE=( $_FAKE_RUNLEVEL "$runlevel_start" /var/run/utmp )
228 INITCMD_START=( /sbin/init )
229 INITCMD_STOP=( /sbin/init )
231 test -z "$runlevel_start" || INITCMD_START=( "${INITCMD_START[@]}" "$runlevel_start" )
232 test -z "$runlevel_stop" || INITCMD_STOP=( "${INITCMD_STOP[@]}" "$runlevel_stop" )
236 INITCMD_START=( /sbin/minit-start )
237 INITCMD_STOP=( /sbin/minit-stop )
239 INITCMD_START_SYNC=( "$_INITSYNC_MINIT_START" "$vdir" )
240 INITCMD_STOP_SYNC=( "$_INITSYNC_MINIT_STOP" "$vdir" )
241 test -z "$runlevel_start" || INITCMD_START=( "${INITCMD_START[@]}" "$runlevel_start" )
242 test -z "$runlevel_stop" || INITCMD_STOP=( "${INITCMD_STOP[@]}" "$runlevel_stop" )
246 INITCMD_START=( /sbin/rc default )
247 INITCMD_STOP=( /sbin/rc shutdown )
251 (*) echo "Unknown init-style '$INITSTYLE'; aborting" >&2;
255 getFileArray INITCMD_START "$cfgdir"/cmd.start
256 getFileArray INITCMD_STOP "$cfgdir"/cmd.stop
257 getFileArray INITCMD_START_SYNC "$cfgdir"/cmd.start-sync
258 getFileArray INITCMD_STOP_SYNC "$cfgdir"/cmd.stop-sync
259 getFileArray INITCMD_PREPARE "$cfgdir"/cmd.prepare
262 test -e "$cfgdir"/sync -o "$OPTION_FORCE_SYNC" || {
263 INITCMD_START_SYNC=()
268 function _generateFlagOptions
272 CHCONTEXT_FLAG_OPTS=()
274 test ! -e "$vdir"/flags || \
283 OPTS_VATTRIBUTE=( "${OPTS_VATTRIBUTE[@]}" --flag "$flag" )
284 CHCONTEXT_FLAG_OPTS=( "${CHCONTEXT_FLAG_OPTS[@]}"
290 isAvoidNamespace "$vdir" || {
292 CHCONTEXT_FLAG_OPTS=( "${CHCONTEXT_FLAG_OPTS[@]}" --flag namespace )
296 function _generateChcontextOptions
299 local ctx hostname domainname
304 read ctx <"$vdir"/context || :
305 read hostname <"$vdir"/hostname || :
306 read domainname <"$vdir"/domainname || :
309 test -z "$S_CONTEXT" || ctx=$S_CONTEXT
311 _generateCapabilityOptions "$vdir"
312 _generateFlagOptions "$vdir"
314 CHCONTEXT_OPTS=( $SILENT_OPT \
315 "${CHCONTEXT_FLAG_OPTS[@]}" \
318 ${ctx:+--ctx "$ctx"} \
319 ${hostname:+--hostname "$hostname"} \
320 ${domainname:+--domainname "$domainname"} )
322 OPTS_VCONTEXT_CREATE=( $SILENT_OPT \
323 ${ctx:+--xid "$ctx"} )
324 ## put '--secure' at front so that it can be overridden
325 OPTS_VATTRIBUTE=( --secure "${OPTS_VATTRIBUTE[@]}" )
328 function _generateScheduleOptions
331 local f="$vdir"/schedule
332 test -e "$f" || return 0
334 local fill_rate interval tokens tokens_min tokens_max cpu_mask
342 read cpu_mask || cpu_mask=
346 test "$cpu_mask" || {
347 echo $"Bad content in '$f'; aborting..." >&2
351 OPTS_VSCHED=( --fill-rate "$fill_rate" --interval "$interval" \
352 --tokens "$tokens" --tokens_min "$tokens_min" \
353 --tokens_max "$tokens_max" --cpu_mask "$cpu_mask" )
356 function _getInterfaceValue
366 read tmp <"$i/$val" && break || :
373 ## Usage: _transformMask2Prefix <result-varname> <prefix> <mask>
374 function _transformMask2Prefix
379 $_MASK2PREFIX "$3" || tmp=$?
386 function _addInterfaceCmd
388 eval INTERFACE_CMDS_${INTERFACE_CMDS_IDX}='( "$@" )'
389 let ++INTERFACE_CMDS_IDX
392 ## Usage: _processSingleInterface <interface-directory>
393 function _processSingleInterface
405 _getInterfaceValue ip '' "$iface"
406 _getInterfaceValue dev '' "$iface" "$iface/.."
407 _getInterfaceValue prefix '' "$iface" "$iface/.."
408 _getInterfaceValue mask '' "$iface" "$iface/.."
409 _getInterfaceValue bcast '' "$iface" "$iface/.."
410 _getInterfaceValue name '' "$iface"
411 _getInterfaceValue scope '' "$iface" "$iface/.."
413 test "$ip" || { echo $"Can not read ip for '$iface'" >&2; return 1; }
415 test ! -e "$iface"/only_ip || {
416 echo $"The 'only_ip' flag for interface '$iface' is deprecated; use 'nodev' instead of" >&2
419 test ! -e "$iface"/nodev || unset dev
422 _transformMask2Prefix prefix "$prefix" "$mask"
426 test -d /proc/net/vlan || {
427 echo -e $"VLAN device-name used, but vlan subsystem not enabled.\nTry to execute 'modprobe 8021q' before starting the vservers" >&2
430 test -f /proc/net/vlan || {
431 _addInterfaceCmd VCONFIG "${dev/./ }"
432 _addInterfaceCmd IP_ADDR 127.0.0.1/8 broadcast 127.255.255.255 dev "$dev"
433 _addInterfaceCmd IP_LINK "$dev"
438 INTERFACES=( "${INTERFACES[@]}" "$ip${prefix:+/$prefix}" )
439 _addInterfaceCmd IP_ADDR "$ip${prefix:+/$prefix}" broadcast ${bcast:-+} ${name:+label "$dev:$name"} dev "$dev"
440 #_addInterfaceCmd IP_ROUTE "$ip${prefix:+/$prefix}" dev "$dev"
441 _addInterfaceCmd IP_LINK "$dev"
445 ## Usage: _generateInterfaceOptions <vserver-directory>
446 function _generateInterfaceOptions
450 for iface in "$1/interfaces/"*; do
451 test -d "$iface" || continue
452 test ! -e "$iface"/disabled || continue
454 _processSingleInterface "$iface"
456 _HAVE_INTERFACE_OPTIONS=1
459 function enableInterfaces
464 while test $i -lt $INTERFACE_CMDS_IDX; do
465 eval var='( "${INTERFACE_CMDS_'$i'[@]}" )'
470 VCONFIG) $_VCONFIG add "${var[@]}";;
471 IP_ADDR) $_IP addr add "${var[@]}";;
472 IP_LINK) $_IP link set "${var[@]}" up;;
473 IP_ROUTE) $_IP route add "${var[@]}";;
474 *) echo "Unknown interface-command type '$type'" >&2; false;;
481 function disableInterfaces
483 test "$_HAVE_INTERFACE_OPTIONS" || _generateInterfaceOptions "$1"
485 local i=$INTERFACE_CMDS_IDX
488 while test $i -gt 0; do
491 eval var='( "${INTERFACE_CMDS_'$i'[@]}" )'
496 VCONFIG) $_VCONFIG rem "${var[@]}";;
497 IP_ADDR) $_IP addr del "${var[@]}";;
498 IP_LINK) ;; ## Ignore the link-down command for now
499 IP_ROUTE) $_IP route del "${var[@]}";;
500 *) echo "Unknown interface-command type '$type'" >&2; false;;
505 ## Usage: prepareInit <vserver-directory>
508 pushd "$1/vdir" >/dev/null
511 { find var/run ! -type d -print0; \
512 find var/lock ! -type d -print0; } | xargs -0r $_CHROOT_RM
517 "${INITCMD_PREPARE[@]}"
521 function generateOptions
523 _generateInterfaceOptions "$1"
524 test "$_HAVE_CHBIND_OPTIONS" || _generateChbindOptions "$1"
525 _generateNiceCommand "$1"
526 _generateInitOptions "$1"
527 _generateChcontextOptions "$1"
528 _generateScheduleOptions "$1"
530 if test "$_IS_FAKEINIT"; then
531 CHCONTEXT_INIT_OPTS=( --disconnect --flag fakeinit )
532 OPTS_VCONTEXT_MIGRATE=( "${OPTS_VCONTEXT_MIGRATE[@]}" --fakeinit --disconnect )
536 function _mountVserverInternal
539 test -e "$fstab" || return 0
542 "$@" $_SECURE_MOUNT -a --chroot "$vdir" --fstab "$fstab"
545 function mountVserver
552 test -e "$cfgdir"/fstab -o \
553 -e "$cfgdir"/fstab.local || return 0
555 findObject -r mtab_src "$vdir"/apps/init/mtab "$CONFDIR"/.defaults/init/mtab "$PKGLIBDEFAULTDIR"/mtab /dev/null
557 pushd "$vdir" >/dev/null
558 $_CHROOT_CAT /etc/mtab <"$mtab_src"
561 test "$_HAVE_CHBIND_OPTIONS" || _generateChbindOptions "$cfgdir"
563 test -z "$NAMESPACE_CLEANUP" || isAvoidNamespace "$cfgdir" || \
564 $_VNAMESPACE --cleanup
566 _mountVserverInternal "$cfgdir"/fstab $_CHBIND "${CHBIND_OPTS[@]}"
567 _mountVserverInternal "$cfgdir"/fstab.local
569 isAvoidNamespace "$cfgdir" || \
570 $_SECURE_MOUNT --rbind -n "$vdir" "/"
573 function _umountVserverInternal
576 test -e "$fstab" || return 0
581 while read src dst tmp; do
582 test "$tmp" || continue
588 "$@" $_EXEC_CD "$dst" $_UMOUNT -lfn . || is_ok=
594 function umountVserver
600 isAvoidNamespace "$cfgdir" || return 0
601 test -e "$cfgdir"/fstab -o \
602 -e "$cfgdir"/fstab.local || return 0
603 test "$_HAVE_CHBIND_OPTIONS" || _generateChbindOptions "$cfgdir"
605 pushd "$vdir/" >/dev/null || return 1
606 _umountVserverInternal "$cfgdir"/fstab.local || is_ok=
607 _umountVserverInternal "$cfgdir"/fstab $_CHBIND "${CHBIND_OPTS[@]}" || is_ok=
608 popd >/dev/null || return 1
615 local vdir name flavor start i
619 ## Usage: execScriptlets <vserver-cfgdir> <vserver-name> <script-flavor>
620 function execScriptlets
628 for i in "$vdir/scripts/$flavor" "$vdir/scripts/$flavor.d"/*; do
629 test -f "$i" -a -r "$i" || continue
630 test -x "$i" || start=_sourceWrap
631 $start "$i" "$flavor" "$name"