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 # $VSERVER_NAME ... name of vserver
22 declare -a NICE_CMD=()
23 declare -a CHBIND_OPTS=()
24 declare -a CAP_OPTS=()
25 declare -a CHCONTEXT_INIT_OPTS=()
26 declare -a CHCONTEXT_FLAG_OPTS=()
27 declare -a CHCONTEXT_OPTS=()
28 declare -a CAPCHROOT_OPTS=()
29 declare -a INTERFACES=()
31 declare -a INITCMD_START=()
32 declare -a INITCMD_START_SYNC=()
33 declare -a INITCMD_STOP=()
34 declare -a INITCMD_STOP_SYNC=()
35 declare -a INITCMD_PREPARE=()
36 declare -a INITKILL_SEQ=()
37 declare -a ENTER_SHELL=()
48 _NEWLINE=${_NEWLINE:0-1}
50 : ${VSERVER_NAME:=$(basename "$VSERVER_DIR")}
52 if test -e "$VSERVER_DIR"/noisy; then
58 ## Called as '_getFileValue <varname> <filename>'
59 function _getFileValue
61 test -r "$2" || return 0
65 ## Called as '_getFileArray <varname> <filename>'
66 function _getFileArray
68 test -r "$2" || return 0
71 eval "$1"='( $(< "$2") )'
74 function _generateChbindOptions
80 local f=$vdir/interfaces/bcast
81 _getFileValue bcast "$f"
83 CHBIND_OPTS=( $SILENT_OPT ${bcast:+--bcast "$bcast"} )
85 for i in "${INTERFACES[@]}"; do
86 CHBIND_OPTS=( "${CHBIND_OPTS[@]}" --ip "$i" )
90 function _generateNiceCommand
95 test -r "$vdir/nice" || return 0;
96 read nice <"$vdir"/nice
98 NICE_CMD=( $_NICE -$nice )
101 function _generateCapabilityOptions
106 test -e "$vdir"/capabilities || return 0
115 CAP_OPTS=( "${CAP_OPTS[@]}" --cap "$cap" )
116 CAPCHROOT_OPTS=( "${CAPCHROOT_OPTS[@]}" --nochroot )
119 CAP_OPTS=( "${CAP_OPTS[@]}" --cap "$cap" );;
121 done <"$vdir"/capabilities
124 function getEnterShell
130 _getFileValue ENTER_SHELL "$vdir"/shell
132 test "$ENTER_SHELL" || {
134 for i in "/bin/bash -login" "/bin/sh -l" /bin/csh; do
136 test -x "$vdir/vdir/$1" || continue
143 function _generateInitOptions
146 local cfgdir=$vdir/apps/init
147 local runlevel_start=3
148 local runlevel_stop=6
153 INITCMD_START_SYNC=()
157 INITKILL_SEQ=( 15 5 9 )
158 CHCONTEXT_INIT_OPTS=()
161 _getFileValue INITSTYLE "$cfgdir"/style
162 _getFileValue runlevel_start "$cfgdir"/runlevel
163 _getFileValue runlevel_start "$cfgdir"/runlevel.start
164 _getFileValue runlevel_stop "$cfgdir"/runlevel.stop
165 _getFileArray INITKILL_SEQ "$cfgdir"/killseq
167 case x"$INITSTYLE" in
169 for i in /etc/init.d/rc /etc/rc.d/rc; do
170 test -x "$vdir/vdir/$i" || continue
171 INITCMD_START=( "$i" "$runlevel_start" )
172 INITCMD_STOP=( "$i" "$runlevel_stop" )
174 INITCMD_PREPARE=( $_FAKE_RUNLEVEL "$runlevel_start" /var/run/utmp )
178 INITCMD_START=( /sbin/init )
179 INITCMD_STOP=( /sbin/init )
180 CHCONTEXT_INIT_OPTS=( --disconnect --flag fakeinit )
181 test -z "$runlevel_start" || INITCMD_START=( "${INITCMD_START[@]}" "$runlevel_start" )
182 test -z "$runlevel_stop" || INITCMD_STOP=( "${INITCMD_STOP[@]}" "$runlevel_stop" )
186 INITCMD_START=( /sbin/minit-start )
187 INITCMD_STOP=( /sbin/minit-stop )
188 CHCONTEXT_INIT_OPTS=( --disconnect --flag fakeinit )
189 INITCMD_START_SYNC=( "$_INITSYNC_MINIT_START" "$vdir" )
190 INITCMD_STOP_SYNC=( "$_INITSYNC_MINIT_STOP" "$vdir" )
191 test -z "$runlevel_start" || INITCMD_START=( "${INITCMD_START[@]}" "$runlevel_start" )
192 test -z "$runlevel_stop" || INITCMD_STOP=( "${INITCMD_STOP[@]}" "$runlevel_stop" )
196 *) echo "Unknown init-style '$INITSTYLE'; aborting" >&2;
200 _getFileArray INITCMD_START "$cfgdir"/cmd.start
201 _getFileArray INITCMD_STOP "$cfgdir"/cmd.stop
202 _getFileArray INITCMD_START_SYNC "$cfgdir"/cmd.start-sync
203 _getFileArray INITCMD_STOP_SYNC "$cfgdir"/cmd.stop-sync
204 _getFileArray INITCMD_PREPARE "$cfgdir"/cmd.prepare
207 test -e "$cfgdir"/sync -o "$OPTION_FORCE_SYNC" || {
208 INITCMD_START_SYNC=()
213 function _generateFlagOptions
217 CHCONTEXT_FLAG_OPTS=()
219 test -e "$vdir"/flags || return 0
226 CHCONTEXT_FLAG_OPTS=( "${CHCONTEXT_FLAG_OPTS[@]}"
227 --disconnect --flag --fakeinit )
230 CHCONTEXT_FLAG_OPTS=( "${CHCONTEXT_FLAG_OPTS[@]}"
237 function _generateChcontextOptions
240 local ctx hostname domainname
245 read ctx <"$vdir"/context
246 read hostname <"$vdir"/hostname
247 read domainname <"$vdir"/domainname
250 test -z "$S_CONTEXT" || ctx=$S_CONTEXT
252 _generateCapabilityOptions "$vdir"
253 _generateFlagOptions "$vdir"
255 CHCONTEXT_OPTS=( $SILENT_OPT \
256 "${CHCONTEXT_FLAG_OPTS[@]}" \
257 "${CHCONTEXT_INIT_OPTS[@]}" \
260 ${ctx:+--ctx "$ctx"} \
261 ${hostname:+--hostname "$hostname"} \
262 ${domainname:+--domainname "$domainname"} )
265 function _getInterfaceValue
275 read tmp <"$i/$val" && break || :
282 ## Usage: _transformMask2Prefix <result-varname> <prefix> <mask>
283 function _transformMask2Prefix
288 $_MASK2PREFIX "$3" || tmp=$?
295 function _addInterfaceCmd
297 eval INTERFACE_CMDS_${INTERFACE_CMDS_IDX}='( "$@" )'
298 let ++INTERFACE_CMDS_IDX
301 ## Usage: _processSingleInterface <interface-directory>
302 function _processSingleInterface
314 _getInterfaceValue ip '' "$iface"
315 _getInterfaceValue dev '' "$iface" "$iface/.."
316 _getInterfaceValue prefix '' "$iface" "$iface/.."
317 _getInterfaceValue mask '' "$iface" "$iface/.."
318 _getInterfaceValue bcast '' "$iface" "$iface/.."
319 _getInterfaceValue name '' "$iface"
320 _getInterfaceValue scope '' "$iface" "$iface/.."
322 test "$ip" || { echo $"Can not read ip for '$iface'"; return 1; }
324 test ! -e "$iface"/only_ip || unset dev
327 _transformMask2Prefix prefix "$prefix" "$mask"
331 test -d /proc/net/vlan || {
332 echo -e $"VLAN device-name used, but vlan subsystem not enabled.\nTry to execute 'modprobe 8021q' before starting the vservers"
335 test -f /proc/net/vlan || {
336 _addInterfaceCmd VCONFIG "${dev/./ }"
337 _addInterfaceCmd IP_ADDR 127.0.0.1/8 broadcast 127.255.255.255 dev "$dev"
338 _addInterfaceCmd IP_LINK "$dev"
343 INTERFACES=( "${INTERFACES[@]}" "$ip${prefix:+/$prefix}" )
344 _addInterfaceCmd IP_ADDR "$ip${prefix:+/$prefix}" broadcast ${bcast:-+} ${name:+label "$dev:$name"} dev "$dev"
345 #_addInterfaceCmd IP_ROUTE "$ip${prefix:+/$prefix}" dev "$dev"
346 _addInterfaceCmd IP_LINK "$dev"
350 ## Usage: _generateInterfaceOptions <vserver-directory>
351 function _generateInterfaceOptions
355 for iface in "$1/interfaces/"*; do
356 test -d "$iface" || continue
357 test ! -e "$iface"/disabled || continue
359 _processSingleInterface "$iface"
363 function enableInterfaces
368 while test $i -lt $INTERFACE_CMDS_IDX; do
369 eval var='( "${INTERFACE_CMDS_'$i'[@]}" )'
374 VCONFIG) $_VCONFIG add "${var[@]}";;
375 IP_ADDR) $_IP addr add "${var[@]}";;
376 IP_LINK) $_IP link set "${var[@]}" up;;
377 IP_ROUTE) $_IP route add "${var[@]}";;
378 *) echo "Unknown interface-command type '$type'" >&2; false;;
385 function disableInterfaces
387 local i=$INTERFACE_CMDS_IDX
390 while test $i -gt 0; do
393 eval var='( "${INTERFACE_CMDS_'$i'[@]}" )'
398 VCONFIG) $_VCONFIG rem "${var[@]}";;
399 IP_ADDR) $_IP addr del "${var[@]}";;
400 IP_LINK) ;; ## Ignore the link-down command for now
401 IP_ROUTE) $_IP route del "${var[@]}";;
402 *) echo "Unknown interface-command type '$type'" >&2; false;;
407 ## Usage: prepareInit <vserver-directory>
410 pushd "$1/vdir" >/dev/null
413 { find var/run ! -type d -print0; \
414 find var/lock ! -type d -print0; } | xargs -0r $_CHROOT_RM
419 "${INITCMD_PREPARE[@]}"
423 function generateOptions
425 _generateInterfaceOptions "$1"
426 _generateChbindOptions "$1"
427 _generateNiceCommand "$1"
428 _generateInitOptions "$1"
429 _generateChcontextOptions "$1"
432 function mountVserver
437 test -e "$cfgdir"/fstab || return 0
438 $_CHBIND "${CHBIND_OPTS[@]}" \
439 $_SECURE_MOUNT -a --chroot "$vdir" --fstab "$cfgdir"/fstab
442 function umountVserver
449 test -e "$cfgdir"/fstab || return 0
451 pushd "$vdir/" >/dev/null
452 tac "$cfgdir"/fstab | while read src dst tmp; do
453 test "$tmp" || continue
458 $_CHBIND "${CHBIND_OPTS[@]}" \
459 $_SECURE_UMOUNT "$dst" || is_ok=
468 local vdir name flavor start i
472 ## Usage: execScriptlets <vserver-cfgdir> <vserver-name> <script-flavor>
473 function execScriptlets
481 for i in "$vdir/scripts/$flavor" "$vdir/scripts/$flavor.d"/*; do
482 test -f "$i" -a -r "$i" || continue
483 test -x "$i" || start=_sourceWrap
484 $start "$i" "$flavor" "$name"