--- /dev/null
+# $Id: vserver.functions,v 1.57 2005/07/03 17:47:06 ensc Exp $ --*- sh -*--
+
+# Copyright (C) 2003 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+## Expected env:
+# $VSERVER_DIR ... path to vserver-cfg dir
+# $VSERVER_NAME ... name of vserver
+
+declare -a NICE_CMD=()
+declare -a CHBIND_OPTS=()
+declare -a CAP_OPTS=()
+declare -a CHCONTEXT_INIT_OPTS=()
+declare -a CHCONTEXT_FLAG_OPTS=()
+declare -a CHCONTEXT_OPTS=()
+declare -a CAPCHROOT_OPTS=()
+declare -a INTERFACES=()
+
+declare -a INITCMD_RESCUE=( /bin/sleep 900 )
+declare -a INITCMD_START=()
+declare -a INITCMD_START_SYNC=()
+declare -a INITCMD_STOP=()
+declare -a INITCMD_STOP_SYNC=()
+declare -a INITCMD_PREPARE=()
+declare -a INITKILL_SEQ=()
+declare -a ENTER_SHELL=()
+
+declare -a OPTS_VCONTEXT_CREATE=()
+declare -a OPTS_VCONTEXT_MIGRATE=()
+declare -a OPTS_VCONTEXT_ENTER=()
+declare -a OPTS_VATTRIBUTE=( --flag fakeinit )
+declare -a OPTS_VSCHED=()
+
+declare -a STOPCMD_PREPARE=()
+
+declare -a VSERVER_EXTRA_CMDS=()
+
+INIT_RESCUE=
+VSHELPER_SYNC_TIMEOUT=30
+USE_VNAMESPACE=
+INTERFACE_CMDS_IDX=0
+RUNLEVEL_START=
+RUNLEVEL_STOP=
+_HAVE_INTERFACE_OPTIONS=
+_HAVE_CHBIND_OPTIONS=
+_NEED_VSHELPER_SYNC=
+_IS_FAKEINIT=
+
+INITSTYLE=sysv
+
+S_CONTEXT=
+
+SILENT_OPT=
+
+: ${VSERVER_NAME:=$(basename "$VSERVER_DIR")}
+
+if test -e "$VSERVER_DIR"/noisy -o -n "$OPTION_VERBOSE"; then
+ SILENT_OPT=
+else
+ SILENT_OPT='--silent'
+fi
+
+function _generateChbindOptions
+{
+ local vdir="$1"
+ local i
+ local bcast=
+
+ test -n "$_HAVE_INTERFACE_OPTIONS" || _generateInterfaceOptions "$vdir"
+
+ local f=$vdir/interfaces/bcast
+ getFileValue bcast "$f"
+
+ CHBIND_OPTS=( $SILENT_OPT ${bcast:+--bcast "$bcast"} )
+
+ for i in "${INTERFACES[@]}"; do
+ CHBIND_OPTS=( "${CHBIND_OPTS[@]}" --ip "$i" )
+ done
+
+ _HAVE_CHBIND_OPTIONS=1
+}
+
+function _generateNiceCommand
+{
+ local vdir=$1
+ local nice
+
+ test -r "$vdir/nice" || return 0;
+ read nice <"$vdir"/nice
+
+ NICE_CMD=( $_NICE -$nice )
+}
+
+
+function _generatePersonalityOptions
+{
+ local vdir="$1"
+ local f="$vdir"/personality
+ local type flags
+
+ test -s "$f" || return 0
+
+ {
+ local delim tmp
+
+ read type
+ while read tmp; do
+ case x$tmp in
+ (x\#*|x) ;;
+ (*) flags=$flags$delim$tmp
+ delim=,
+ ;;
+ esac
+ done
+ } <"$f"
+
+ OPTS_VCONTEXT_ENTER=( "${OPTS_VCONTEXT_ENTER[@]}"
+ --personality-type "$type"
+ ${flags:+--personality-flags "$flags"} )
+}
+
+function _generateCCapabilityOptions
+{
+ local vdir=$1
+ local cap
+ local f="$vdir"/ccapabilities
+
+ test -e "$f" || return 0
+ while read cap; do
+ case x"$cap" in
+ (x|x\#) ;;
+ (*) OPTS_VATTRIBUTE=( "${OPTS_VATTRIBUTE[@]}" --ccap "$cap" );;
+ esac
+ done <"$f"
+}
+
+function _generateBCapabilityOptions
+{
+ local vdir=$1
+ local cap
+ local f="$vdir"/bcapabilities
+
+ test -e "$f" || return 0
+ while read cap; do
+ case x"$cap" in
+ (x|x\#) ;;
+ (*) OPTS_VATTRIBUTE=( "${OPTS_VATTRIBUTE[@]}" --bcap "$cap" );;
+ esac
+ done <"$f"
+}
+
+function _generateCapabilityOptions
+{
+ local vdir=$1
+ local cap
+
+ _generateBCapabilityOptions "$vdir"
+ _generateCCapabilityOptions "$vdir"
+
+ test -e "$vdir"/capabilities || return 0
+
+ CAP_OPTS=()
+ CAPCHROOT_OPTS=()
+
+ while read cap; do
+ case x"$cap" in
+ (x|x\#) ;;
+ (!CAP_SYSCHROOT)
+ CAP_OPTS=( "${CAP_OPTS[@]}" --cap "$cap" )
+ CAPCHROOT_OPTS=( "${CAPCHROOT_OPTS[@]}" --nochroot )
+ ;;
+ (*)
+ CAP_OPTS=( "${CAP_OPTS[@]}" --cap "$cap" )
+ ;;
+ esac
+ done <"$vdir"/capabilities
+}
+
+function getEnterShell
+{
+ local vdir=$1
+ local shell_file
+
+ ENTER_SHELL=()
+
+ getFileValue ENTER_SHELL "$vdir"/shell "$__CONFDIR"/.defaults/shell
+
+ test -n "$ENTER_SHELL" || {
+ local i
+ for i in "/bin/bash -login" "/bin/sh -l" /bin/csh; do
+ set -- $i
+ test -x "$vdir/vdir/$1" || continue
+ ENTER_SHELL=( "$@" )
+ break
+ done
+ }
+}
+
+## Usage: sendKillSequence <ctx> <signal> [<wait> <signal>]*
+function sendKillSequence
+{
+ local ctx=$1
+ local wait=
+ shift
+
+ while isCtxRunning "$ctx"; do
+ test -z "$wait" || sleep "$wait"
+
+ killContext "$ctx" "$1"
+ test -n "$2" || break
+ wait="$2"
+ shift 2
+ done
+}
+
+function _generateInitOptions
+{
+ local vdir=$1
+ local cfgdir=$vdir/apps/init
+ local i f
+
+ INITCMD_START=()
+ INITCMD_STOP=()
+ INITCMD_START_SYNC=()
+ INITCMD_STOP_SYNC=()
+ INITCMD_PREPARE=()
+ STOPCMD_PREPARE=()
+
+ INITKILL_SEQ=( 15 5 9 )
+ CHCONTEXT_INIT_OPTS=()
+
+
+ getFileValue INITSTYLE "$cfgdir"/style
+ getFileValue RUNLEVEL_START "$cfgdir"/runlevel
+ getFileValue RUNLEVEL_START "$cfgdir"/runlevel.start
+ getFileValue RUNLEVEL_STOP "$cfgdir"/runlevel.stop
+ getFileArray INITKILL_SEQ "$cfgdir"/killseq || :
+
+ case x"$INITSTYLE" in
+ (xrescue)
+ INITCMD_START=( "${INITCMD_RESCUE[@]}" )
+ INITCMD_STOP=( /sbin/killall5 )
+ _IS_FAKEINIT=1
+ _NEED_VSHELPER_SYNC=
+ ;;
+
+ (xsysv)
+ test -n "$RUNLEVEL_START" || RUNLEVEL_START=3
+ test -n "$RUNLEVEL_STOP" || RUNLEVEL_STOP=6
+
+ for i in /etc/init.d/rc /etc/rc.d/rc; do
+ test -x "$vdir/vdir/$i" || continue
+ INITCMD_START=( "$i" "$RUNLEVEL_START" )
+ INITCMD_STOP=( "$i" "$RUNLEVEL_STOP" )
+ done
+ INITCMD_PREPARE=( $_FAKE_RUNLEVEL "$RUNLEVEL_START" /var/run/utmp )
+ ;;
+
+ (xplain)
+ INITCMD_START=( /sbin/init )
+ INITCMD_STOP=( /sbin/init )
+ _IS_FAKEINIT=1
+ _NEED_VSHELPER_SYNC=1
+ test -z "$RUNLEVEL_START" || INITCMD_START=( "${INITCMD_START[@]}" "$RUNLEVEL_START" )
+ test -z "$RUNLEVEL_STOP" || INITCMD_STOP=( "${INITCMD_STOP[@]}" "$RUNLEVEL_STOP" )
+ ;;
+
+ (xminit)
+ INITCMD_START=( /sbin/minit-start )
+ INITCMD_STOP=( /sbin/minit-stop )
+ _IS_FAKEINIT=1
+ INITCMD_START_SYNC=( "$_INITSYNC_MINIT_START" "$vdir" )
+ _NEED_VSHELPER_SYNC=1
+ test -z "$RUNLEVEL_START" || INITCMD_START=( "${INITCMD_START[@]}" "$RUNLEVEL_START" )
+ test -z "$RUNLEVEL_STOP" || INITCMD_STOP=( "${INITCMD_STOP[@]}" "$RUNLEVEL_STOP" )
+ ! isNumber "${RUNLEVEL_START:-3}" || INITCMD_PREPARE=( $_FAKE_RUNLEVEL "${RUNLEVEL_START:-3}" /var/run/utmp )
+ ;;
+
+ (xgentoo)
+ INITCMD_START=( /sbin/rc default )
+ INITCMD_STOP=( /sbin/rc shutdown )
+ ;;
+
+ (x) ;;
+ (*) echo "Unknown init-style '$INITSTYLE'; aborting" >&2;
+ exit 1;;
+ esac
+
+ if test x"$INITSTYLE" != xrescue; then
+ getFileArray INITCMD_START "$cfgdir"/cmd.start || :
+ getFileArray INITCMD_STOP "$cfgdir"/cmd.stop || :
+ getFileArray INITCMD_START_SYNC "$cfgdir"/cmd.start-sync || :
+ getFileArray INITCMD_STOP_SYNC "$cfgdir"/cmd.stop-sync || :
+ getFileArray INITCMD_PREPARE "$cfgdir"/cmd.prepare || :
+ fi
+
+ test -n "$OPTION_FORCE_SYNC" -o -e "$cfgdir"/sync || {
+ INITCMD_START_SYNC=()
+ INITCMD_STOP_SYNC=()
+ _NEED_VSHELPER_SYNC=
+ }
+
+ if vshelper.isEnabled; then
+ vshelper.getSyncTimeout "$vdir" VSHELPER_SYNC_TIMEOUT || :
+ else
+ _NEED_VSHELPER_SYNC=
+ fi
+}
+
+function _generateFlagOptions
+{
+ local vdir=$1
+
+ CHCONTEXT_FLAG_OPTS=()
+
+ test ! -e "$vdir"/flags || \
+ while read flag; do
+ case x"$flag" in
+ (x|x\#) ;;
+ (xnamespace) ;;
+ (xfakeinit)
+ _IS_FAKEINIT=1
+ ;;
+ (*)
+ OPTS_VATTRIBUTE=( "${OPTS_VATTRIBUTE[@]}" --flag "$flag" )
+ CHCONTEXT_FLAG_OPTS=( "${CHCONTEXT_FLAG_OPTS[@]}"
+ --flag "$flag" )
+ ;;
+ esac
+ done <"$vdir"/flags
+
+ isAvoidNamespace "$vdir" || {
+ USE_VNAMESPACE=1
+ CHCONTEXT_FLAG_OPTS=( "${CHCONTEXT_FLAG_OPTS[@]}" --flag namespace )
+ }
+}
+
+function _generateChcontextOptions
+{
+ local vdir=$1
+ local ctx hostname domainname
+ local cap_opts
+ local flag
+
+ {
+ read ctx <"$vdir"/context || :
+ ## LEGACY ALERT
+ read hostname <"$vdir"/uts/nodename || read hostname <"$vdir"/hostname || :
+ read domainname <"$vdir"/uts/domainname || read domainname <"$vdir"/domainname || :
+ } 2>/dev/null
+
+ test -z "$S_CONTEXT" || ctx=$S_CONTEXT
+
+ _generateCapabilityOptions "$vdir"
+ _generateFlagOptions "$vdir"
+
+ CHCONTEXT_OPTS=( $SILENT_OPT \
+ "${CHCONTEXT_FLAG_OPTS[@]}" \
+ "${CAP_OPTS[@]}" \
+ --secure
+ ${ctx:+--ctx "$ctx"} \
+ ${hostname:+--hostname "$hostname"} \
+ ${domainname:+--domainname "$domainname"} )
+
+ OPTS_VCONTEXT_CREATE=( $SILENT_OPT \
+ ${ctx:+--xid "$ctx"} )
+ ## put '--secure' at front so that it can be overridden
+ OPTS_VATTRIBUTE=( --secure "${OPTS_VATTRIBUTE[@]}" )
+}
+
+function _generateScheduleOptions
+{
+ local vdir=$1
+ local f="$vdir"/schedule
+ test -e "$f" || return 0
+
+ local fill_rate interval tokens tokens_min tokens_max prio_bias
+ {
+ {
+ read fill_rate && \
+ read interval && \
+ read tokens && \
+ read tokens_min && \
+ read tokens_max && \
+ read prio_bias || prio_bias=
+ } <"$f"
+ } 2>/dev/null
+
+ test -n "$prio_bias" || {
+ echo $"Bad content in '$f'; aborting..." >&2
+ false
+ }
+
+ OPTS_VSCHED=( --fill-rate "$fill_rate" --interval "$interval" \
+ --tokens "$tokens" --tokens_min "$tokens_min" \
+ --tokens_max "$tokens_max" --priority-bias "$prio_bias" )
+}
+
+function _getInterfaceValue
+{
+ local _giv_val=$1
+ local _giv_dflt=$2
+ shift 2
+
+ local _giv_i
+ local _giv_tmp
+
+ for _giv_i; do
+ read _giv_tmp <"$_giv_i/$_giv_val" && break || :
+ done 2>/dev/null
+
+ : ${_giv_tmp:=$_giv_dflt}
+ eval $_giv_val=\$_giv_tmp
+}
+
+## Usage: _transformMask2Prefix <result-varname> <prefix> <mask>
+function _transformMask2Prefix
+{
+ local _tm2p_tmp=$2
+
+ test -n "$_tm2p_tmp" || {
+ $_MASK2PREFIX "$3" || _tm2p_tmp=$?
+ }
+
+ eval $1=\$_tm2p_tmp
+ return 0
+}
+
+function _addInterfaceCmd
+{
+ eval INTERFACE_CMDS_${INTERFACE_CMDS_IDX}='( "$@" )'
+ let ++INTERFACE_CMDS_IDX
+}
+
+## Usage: _generateMac <var> <iface> <ctx>
+function _generateMac
+{
+ isNumber "$2" || {
+ echo $"Interface basename '$iface' must be either a number, or the mac must be configured explicitly" >&2
+ return 1
+ }
+
+ eval $1=$(printf "f0:ff:%02x:%02x:%02x:%02x" $[ (~($2>>8)) & 0xff ] $[ ($2 & 0xff) ] $[ ($3>>8) & 0xff ] $[ $3 & 0xff ])
+}
+
+## Usage: _processSingleInterface <interface-directory>
+function _processSingleInterface
+{
+ local iface=$1
+
+ local ip
+ local dev
+ local prefix
+ local mask
+ local bcast
+ local name
+ local scope
+ local mac
+ local extip
+ local up="up"
+
+ _getInterfaceValue ip '' "$iface"
+ _getInterfaceValue extip '' "$iface" "$iface/.."
+ _getInterfaceValue dev '' "$iface" "$iface/.."
+ _getInterfaceValue prefix '' "$iface" "$iface/.."
+ _getInterfaceValue mask '' "$iface" "$iface/.."
+ _getInterfaceValue bcast '' "$iface" "$iface/.."
+ _getInterfaceValue name '' "$iface"
+ _getInterfaceValue scope '' "$iface" "$iface/.."
+ _getInterfaceValue mac '' "$iface"
+
+ test -n "$ip" || { echo $"Can not read ip for '$iface'" >&2; return 1; }
+ test -n "$dev" -o -e "$iface"/nodev || {
+ echo $"No device specified for '$iface'" >&2
+ return 1;
+ }
+
+ test ! -e "$iface"/down || up=
+
+ while true; do
+ _transformMask2Prefix prefix "$prefix" "$mask"
+ INTERFACES=( "${INTERFACES[@]}" "$ip${prefix:+/$prefix}" )
+
+ test ! -e "$iface"/nodev || break
+ ## LEGACY ALERT
+ test ! -e "$iface"/only_ip || break
+
+ case "$dev" in
+ (*.*)
+ test -d /proc/net/vlan || {
+ echo -e $"VLAN device-name used, but vlan subsystem not enabled.\nTry to execute 'modprobe 8021q' before starting the vservers" >&2
+ return 1
+ }
+ test -f /proc/net/vlan || {
+ _addInterfaceCmd VCONFIG ${dev/./ }
+ _addInterfaceCmd IP_ADDR 127.0.0.1/8 broadcast 127.255.255.255 dev "$dev"
+ _addInterfaceCmd IP_LINK "$dev" $up
+ }
+ ;;
+ esac
+
+ if ! test -e "$iface"/indirect; then
+ _addInterfaceCmd IP_ADDR "$ip${prefix:+/$prefix}" broadcast ${bcast:-+} ${name:+label "$dev:$name"} dev "$dev"
+ #_addInterfaceCmd IP_ROUTE "$ip${prefix:+/$prefix}" dev "$dev"
+ _addInterfaceCmd IP_LINK "$dev" $up
+ elif ! test -n "$ctx"; then
+ echo $"Using 'dummy' (indirect) for interface '$dev' requires a fixed context number; dynamic ctx are not supported" >&2
+ return 1
+ else
+ test -z "$mac" || _generateMac mac "$(basename $iface)" "$ctx" || return 1
+ _addInterfaceCmd MODPROBE dummy "$dev"
+ _addInterfaceCmd IP_LINK dev dummy0 address "$mac"
+ _addInterfaceCmd NAMEIF "$dev" "$mac"
+ _addInterfaceCmd IP_ADDR "$ip${prefix:+/$prefix}" dev "$dev"
+ test -z "$extip" || _addInterfaceCmd IPTABLES "$ip${prefix:+/$prefix}" ${name:+label "$dev:$name"} "$ctx" "$extip"
+ fi
+
+ break
+ done
+}
+
+## Usage: _generateInterfaceOptions <vserver-directory>
+function _generateInterfaceOptions
+{
+ local iface
+ local ctx
+
+ test ! -e "$1"/context || read ctx <"$1"/context
+
+ for iface in "$1/interfaces/"*; do
+ test -d "$iface" || continue
+ test ! -e "$iface"/disabled || continue
+
+ _processSingleInterface "$iface"
+ done
+ _HAVE_INTERFACE_OPTIONS=1
+}
+
+function enableInterfaces
+{
+ local i=0
+ declare -a var
+
+ lock "$__LOCKDIR"/vserver.interfaces
+
+ while test $i -lt $INTERFACE_CMDS_IDX; do
+ eval var='( "${INTERFACE_CMDS_'$i'[@]}" )'
+ local type=${var[0]}
+ unset var[0]
+
+ set -- "${var[@]}"
+ case "$type" in
+ IPTABLES) ;; ## TODO
+ MODPROBE)
+ local mod=$1
+ local name=$2
+ shift 2
+ $_MODPROBE ${name:+-o "$name"} "$mod" "$@"
+ ;;
+ NAMEIF) $_NAMEIF "$@";;
+ VCONFIG) $_VCONFIG add "$@";;
+ IP_ADDR) $_IP addr add "$@";;
+ IP_ADDR_FLUSH) $_IP addr flush "$@";;
+ IP_LINK) $_IP link set "$@";;
+ IP_ROUTE) $_IP route add "$@";;
+ *) echo "Unknown interface-command type '$type'" >&2; false;;
+ esac
+
+ let ++i
+ done
+
+ unlock 1
+}
+
+function disableInterfaces
+{
+ test -n "$_HAVE_INTERFACE_OPTIONS" || _generateInterfaceOptions "$1"
+
+ local i=$INTERFACE_CMDS_IDX
+ declare -a var
+
+ lock "$__LOCKDIR"/vserver.interfaces
+
+ while test $i -gt 0; do
+ let --i || :
+
+ eval var='( "${INTERFACE_CMDS_'$i'[@]}" )'
+ local type=${var[0]}
+ unset var[0]
+
+ set -- "${var[@]}"
+ case "$type" in
+ IPTABLES) ;; ## TODO
+ MODPROBE) $_RMMOD "${2:-$1}";;
+ NAMEIF) ;;
+ VCONFIG) $_VCONFIG rem "$@";;
+ IP_ADDR) $_IP addr del "$@";;
+ IP_ADDR_FLUSH) ;;
+ IP_LINK) ;; ## Ignore the link-down command for now
+ IP_ROUTE) $_IP route del "$@";;
+ *) echo "Unknown interface-command type '$type'" >&2; false;;
+ esac
+ done
+
+ unlock 1
+}
+
+## Usage: prepareInit <vserver-directory>
+function prepareInit
+{
+ pushd "$1/vdir" >/dev/null
+ case "$INITSTYLE" in
+ sysv)
+ { find var/run ! -type d -print0; \
+ find var/lock ! -type d -print0; } | xargs -0r $_CHROOT_SH rm
+ ;;
+ plain)
+ $_CHROOT_SH rm .autofsck forcefsck 2>/dev/null || :
+ : | $_CHROOT_SH truncate fastboot 2>/dev/null || :
+ ;;
+ minit)
+ ;;
+ esac
+ "${INITCMD_PREPARE[@]}"
+ popd >/dev/null
+}
+
+## Usage: prepareInit <vserver-directory>
+function prepareStop
+{
+ pushd "$1/vdir" >/dev/null
+ case "$INITSTYLE" in
+ (sysv)
+ export PREVLEVEL=$RUNLEVEL_START # required by Debian's initscripts
+ ;;
+ esac
+ "${STOPCMD_PREPARE[@]}"
+ popd >/dev/null
+}
+
+
+function generateOptions
+{
+ _generateInterfaceOptions "$1"
+ test -n "$_HAVE_CHBIND_OPTIONS" || _generateChbindOptions "$1"
+ _generateNiceCommand "$1"
+ _generateInitOptions "$1"
+ _generateChcontextOptions "$1"
+ _generateScheduleOptions "$1"
+ _generatePersonalityOptions "$1"
+
+ if test -n "$_IS_FAKEINIT"; then
+ CHCONTEXT_INIT_OPTS=( --disconnect --flag fakeinit )
+ OPTS_VCONTEXT_MIGRATE=( "${OPTS_VCONTEXT_MIGRATE[@]}" --initpid --disconnect )
+ fi
+}
+
+function _mountVserverInternal
+{
+ local fstab="$1"
+ local xflag=
+
+ test -e "$fstab" || return 0
+ shift
+
+ pushd "$vdir" >/dev/null
+ # check whether / is mounted readonly or whether there is special
+ # magic regarding the mtab file; when etc/mtab can not be touched,
+ # add the '-n' flag to mount
+ test -w etc -o -w etc/mtab || xflag=-n
+ "$@" $_SECURE_MOUNT -a $xflag --chroot --fstab "$fstab" --rootfs no
+ popd >/dev/null
+}
+
+function mountRootFS
+{
+ local cfgdir=$1
+ local vdir=$1/vdir
+ local fstab="$cfgdir"/fstab
+ local xflag=
+
+ test -e "$fstab" || return 0
+ pushd "$vdir" >/dev/null
+ # check whether / is mounted readonly or whether there is special
+ # magic regarding the mtab file; when etc/mtab can not be touched,
+ # add the '-n' flag to mount
+ test -w etc -o -w etc/mtab || xflag=-n
+ $_SECURE_MOUNT -a $xflag --chroot --fstab "$fstab" --rootfs only -n
+ popd >/dev/null
+}
+
+function mountVserver
+{
+ local cfgdir=$1
+ local ns_opt=$2
+ local vdir=$1/vdir
+ local mtab_src
+
+ test -e "$cfgdir"/fstab -o \
+ -e "$cfgdir"/fstab.local -o \
+ -e "$cfgdir"/fstab.remote || return 0
+
+ findObject -r mtab_src "$cfgdir"/apps/init/mtab "$__CONFDIR"/.defaults/init/mtab "$__PKGLIBDEFAULTDIR"/mtab /dev/null
+
+ pushd "$vdir" >/dev/null
+ $_CHROOT_SH truncate /etc/mtab <"$mtab_src"
+ popd >/dev/null
+
+ test -n "$_HAVE_CHBIND_OPTIONS" || _generateChbindOptions "$cfgdir"
+
+ test -z "$NAMESPACE_CLEANUP" || isAvoidNamespace "$cfgdir" || \
+ $_VNAMESPACE --cleanup
+
+ _mountVserverInternal "$cfgdir"/fstab
+ _mountVserverInternal "$cfgdir"/fstab.local
+ _mountVserverInternal "$cfgdir"/fstab.remote $_CHBIND "${CHBIND_OPTS[@]}"
+
+ isAvoidNamespace "$cfgdir" || \
+ $_SECURE_MOUNT --rbind -n "$vdir" "/"
+}
+
+function _umountVserverInternal
+{
+ local fstab="$1"
+ test -e "$fstab" || return 0
+ shift
+
+ $_TAC "$fstab" | {
+ is_ok=1
+ while read src dst tmp; do
+ test -n "$tmp" || continue
+ case x"$src" in
+ (x\#*) continue;;
+ esac
+
+
+ "$@" $_EXEC_CD "$dst" $_UMOUNT -lfn . || is_ok=
+ done
+ test -n "$is_ok"
+ }
+}
+
+function umountVserver
+{
+ local cfgdir=$1
+ local vdir=$1/vdir
+ local is_ok=1
+
+ isAvoidNamespace "$cfgdir" || return 0
+ test -e "$cfgdir"/fstab -o \
+ -e "$cfgdir"/fstab.local || return 0
+ test -n "$_HAVE_CHBIND_OPTIONS" || _generateChbindOptions "$cfgdir"
+
+ pushd "$vdir/" >/dev/null || return 1
+ _umountVserverInternal "$cfgdir"/fstab.local || is_ok=
+ _umountVserverInternal "$cfgdir"/fstab $_CHBIND "${CHBIND_OPTS[@]}" || is_ok=
+ popd >/dev/null || return 1
+
+ test -n "$is_ok"
+}
+
+## Usage: waitForSync <vserver> <context> <vshelper-fifo-varname>
+function initSync
+{
+ local _is_meth=sync
+ test -n "$_NEED_VSHELPER_SYNC" && \
+ ! $_VSERVER_INFO - FEATURE vwait || _is_meth=async
+
+ vshelper.initSync "$1" "$3" "$_is_meth"
+}
+
+## Usage: initWait <vserver> <context> <vwait-tmpdir-varname>
+function initWait
+{
+ if $_VSERVER_INFO - FEATURE vwait; then
+ local _is_tmpdir
+ _is_tmpdir=$($_MKTEMPDIR /tmp/vwaitstat.XXXXXX)
+
+ $_NOHUP $_VWAIT --timeout "$VSHELPER_SYNC_TIMEOUT" \
+ --terminate --status-fd 3 "$2" \
+ >>$_is_tmpdir/out 2>$_is_tmpdir/err 3>$_is_tmpdir/fifo &
+
+ echo "$!" >$_is_tmpdir/pid
+ eval "$3"=$_is_tmpdir
+ fi
+}
+
+
+## Usage: _waitForVWait <fifo> <pid>
+function _waitForVWait
+{
+ declare -a status
+ wait "$2" || :
+ getFileArray status "$1"
+ set -- ${status[0]}
+
+ case "$1" in
+ (ERROR) warning $"\
+'vwait' exited with error '$2' which indicates that vserver could not
+be stopped properly"
+ ;;
+ (FINISHED) ;;
+ (KILLED) warning $"\
+A timeout occured while waiting for the vserver to finish and it was
+killed by sending a SIGKILL signal. Please investigate the reasons
+and/or increase the timeout in apps/vshelper/sync-timeout."
+ ;;
+ (TIMEOUT|\?\?\?|*) warning $"\
+internal error: 'vwait' exited with an unexpected status '$1'; I will
+try to continue but be prepared for unexpected events."
+ ;;
+ esac
+
+ return 0
+}
+
+## Usage: waitForSync <vserver> [<vshelper-fifo>] [<vwait-statdir>]
+function waitForSync
+{
+ local cfgdir=$1
+ local fifo=$2
+ local vwait_statdir=$3
+ local vwait_pid=$4
+
+ if test -d "$vwait_statdir"; then
+ _waitForVWait "$vwait_statdir/fifo" "$( <$vwait_statdir/pid )"
+ elif test -n "$_NEED_VSHELPER_SYNC"; then
+ $_VSHELPER_SYNC "$fifo" "$VSHELPER_SYNC_TIMEOUT" || \
+ warning $"\
+A timeout or other error occured while waiting for the synchronization
+signal from vserver '$VSERVER_NAME'.
+The vserver will be killed nevertheless..."
+ elif test "${#INITCMD_STOP_SYNC[@]}" -ne 0; then
+ "${INITCMD_STOP_SYNC[@]}" || \
+ warning $"\
+Stop-synchronization for vserver '$VSERVER_NAME' failed. The vserver
+will be killed nevertheless..."
+ fi
+
+ test -z "$OPTION_FORCE_SYNC" -a ! -e "$cfgdir"/sync ||
+ sleep 1
+}
+
+function _sourceWrap
+{
+ local vdir name flavor start i already_handled base
+ . "$@"
+}
+
+## Usage: execScriptlets <vserver-cfgdir> <vserver-name> <script-flavor>
+function execScriptlets
+{
+ declare -r vdir=$1
+ declare -r name=$2
+ declare -r flavor=$3
+ local base i
+
+ for base in "$vdir"/scripts "$__CONFDIR"/.defaults/scripts; do
+ local DONT_SKIP_DEFAULTS=
+ local already_handled=
+
+ for i in "$base/$flavor" "$base/$flavor.d"/*; do
+ isRegularFile "$i" || continue
+ test -r "$i" || continue
+
+ already_handled=1
+ local start=
+ test -x "$i" || start=_sourceWrap
+ $start "$i" "$flavor" "$name"
+ done
+
+ test -z "$already_handled" -o -n "$DONT_SKIP_DEFAULTS" || break
+ done
+}
+
+
+function sanityCheck
+{
+ declare -r cfgdir=$1
+
+ ! test -e "$cfgdir"/fstab.local ||
+ warning $"\
+WARNING: 'fstab' will *not* be executed in the network context of the
+ vserver anymore. Therefore, 'fstab.local' has the same functionality
+ and is obsoleted. When you need the old behaviour, put the mounts
+ into 'fstab.remote'"
+
+ ! test -e "$cfgdir"/hostname -a ! -L "$cfgdir"/hostname ||
+ warning $"\
+WARNING: The hostname is now configured in 'uts/nodename' but not in
+ 'hostname'."
+
+ ! test -e "$cfgdir"/domainname -a ! -L "$cfgdir"/domainname ||
+ warning $"\
+WARNING: The domainname is now configured in 'uts/domainname' but not
+ in 'domainname'." >&2
+
+
+ local i
+ for i in "$cfgdir"/interfaces/*/only_ip; do
+ if test -e "$i"; then
+ local iface
+ iface=${i##$cfgdir/interfaces/}
+ iface=${iface%%/only_ip}
+ warning $"\
+WARNING: The 'only_ip' flag for interface '$iface' is deprecated; use
+ 'nodev' instead of"
+ fi
+ done
+
+ find "$cfgdir" -type f -exec "$_CHECK_UNIXFILE" '{}' ';'
+
+ vshelper.doSanityCheck
+
+ $_VSERVER_INFO - VERIFYCAP ||
+ panic $"capabilities are not enabled in kernel-setup"
+
+ $_VSERVER_INFO - VERIFYPROC ||
+ panic $"\
+/proc/uptime can not be accessed. Usually, this is caused by
+procfs-security. Please read the FAQ for more details
+http://www.linux-vserver.org/index.php?page=Linux-Vserver+FAQ"
+}
git://git.onelab.eu / util-vserver.git / blobdiff