X-Git-Url: http://git.linux-vserver.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=util-vserver%2Fscripts%2Fvserver.functions;h=be47739f10d09480841d991b59a7b6231eb036db;hb=de564920ce902dbdbaf93f6bf0fe00f385cbe071;hp=4c2a0c9239cbe32f7e31969055ba4f2415956f7e;hpb=a63553cd64e631b350e8b24b20eb94e504b4ee53;p=util-vserver.git diff --git a/util-vserver/scripts/vserver.functions b/util-vserver/scripts/vserver.functions index 4c2a0c9..be47739 100644 --- a/util-vserver/scripts/vserver.functions +++ b/util-vserver/scripts/vserver.functions @@ -28,6 +28,7 @@ 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=() @@ -38,12 +39,23 @@ declare -a ENTER_SHELL=() declare -a OPTS_VCONTEXT_CREATE=() declare -a OPTS_VCONTEXT_MIGRATE=() -declare -a OPTS_VATTRIBUTE=() -USE_VNAMESPACE= +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 @@ -54,7 +66,7 @@ SILENT_OPT= : ${VSERVER_NAME:=$(basename "$VSERVER_DIR")} -if test -e "$VSERVER_DIR"/noisy -o "$OPTION_VERBOSE"; then +if test -e "$VSERVER_DIR"/noisy -o -n "$OPTION_VERBOSE"; then SILENT_OPT= else SILENT_OPT='--silent' @@ -66,7 +78,7 @@ function _generateChbindOptions local i local bcast= - test "$_HAVE_INTERFACE_OPTIONS" || _generateInterfaceOptions "$vdir" + test -n "$_HAVE_INTERFACE_OPTIONS" || _generateInterfaceOptions "$vdir" local f=$vdir/interfaces/bcast getFileValue bcast "$f" @@ -91,6 +103,34 @@ function _generateNiceCommand 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=$1 @@ -100,7 +140,7 @@ function _generateCCapabilityOptions test -e "$f" || return 0 while read cap; do case x"$cap" in - (x|x\#) ;; + (x|x\#*) ;; (*) OPTS_VATTRIBUTE=( "${OPTS_VATTRIBUTE[@]}" --ccap "$cap" );; esac done <"$f" @@ -115,7 +155,7 @@ function _generateBCapabilityOptions test -e "$f" || return 0 while read cap; do case x"$cap" in - (x|x\#) ;; + (x|x\#*) ;; (*) OPTS_VATTRIBUTE=( "${OPTS_VATTRIBUTE[@]}" --bcap "$cap" );; esac done <"$f" @@ -136,7 +176,7 @@ function _generateCapabilityOptions while read cap; do case x"$cap" in - (x|x\#) ;; + (x|x\#*) ;; (!CAP_SYSCHROOT) CAP_OPTS=( "${CAP_OPTS[@]}" --cap "$cap" ) CAPCHROOT_OPTS=( "${CAPCHROOT_OPTS[@]}" --nochroot ) @@ -151,12 +191,13 @@ function _generateCapabilityOptions function getEnterShell { local vdir=$1 + local shell_file ENTER_SHELL=() + + getFileValue ENTER_SHELL "$vdir"/shell "$__CONFDIR"/.defaults/shell - getFileValue ENTER_SHELL "$vdir"/shell - - test "$ENTER_SHELL" || { + test -n "$ENTER_SHELL" || { local i for i in "/bin/bash -login" "/bin/sh -l" /bin/csh; do set -- $i @@ -176,9 +217,9 @@ function sendKillSequence while isCtxRunning "$ctx"; do test -z "$wait" || sleep "$wait" - - $_VKILL -c "$ctx" ${1:+-s "$1"} - test "$2" || break + + killContext "$ctx" "$1" + test -n "$2" || break wait="$2" shift 2 done @@ -188,8 +229,6 @@ function _generateInitOptions { local vdir=$1 local cfgdir=$vdir/apps/init - local runlevel_start - local runlevel_stop local i f INITCMD_START=() @@ -197,36 +236,45 @@ function _generateInitOptions 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 "$cfgdir"/killseq + getFileValue RUNLEVEL_START "$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=( "${INITCMD_RESCUE[@]}" ) + INITCMD_STOP=( /sbin/killall5 ) + _IS_FAKEINIT=1 + _NEED_VSHELPER_SYNC= + ;; + (xsysv) - test "$runlevel_start" || runlevel_start=3 - test "$runlevel_stop" || runlevel_stop=6 + test -n "$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" "$runlevel_stop" ) + INITCMD_START=( "$i" "$RUNLEVEL_START" ) + INITCMD_STOP=( "$i" "$RUNLEVEL_STOP" ) done - INITCMD_PREPARE=( $_FAKE_RUNLEVEL "$runlevel_start" /var/run/utmp ) + INITCMD_PREPARE=( $_FAKE_RUNLEVEL "$RUNLEVEL_START" /var/run/utmp ) ;; (xplain) INITCMD_START=( /sbin/init ) INITCMD_STOP=( /sbin/init ) _IS_FAKEINIT=1 - test -z "$runlevel_start" || INITCMD_START=( "${INITCMD_START[@]}" "$runlevel_start" ) - test -z "$runlevel_stop" || INITCMD_STOP=( "${INITCMD_STOP[@]}" "$runlevel_stop" ) + _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) @@ -234,9 +282,10 @@ function _generateInitOptions INITCMD_STOP=( /sbin/minit-stop ) _IS_FAKEINIT=1 INITCMD_START_SYNC=( "$_INITSYNC_MINIT_START" "$vdir" ) - INITCMD_STOP_SYNC=( "$_INITSYNC_MINIT_STOP" "$vdir" ) - test -z "$runlevel_start" || INITCMD_START=( "${INITCMD_START[@]}" "$runlevel_start" ) - test -z "$runlevel_stop" || INITCMD_STOP=( "${INITCMD_STOP[@]}" "$runlevel_stop" ) + _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) @@ -245,21 +294,28 @@ function _generateInitOptions ;; (x) ;; - (*) echo "Unknown init-style '$INITSTYLE'; aborting" >&2; - exit 1;; + (*) panic "Unknown init-style '$INITSTYLE'; aborting";; esac - 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 "$cfgdir"/cmd.prepare - + if test x"$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 "$cfgdir"/cmd.prepare || : + fi - test -e "$cfgdir"/sync -o "$OPTION_FORCE_SYNC" || { + test -n "$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 @@ -271,7 +327,7 @@ function _generateFlagOptions test ! -e "$vdir"/flags || \ while read flag; do case x"$flag" in - (x|x\#) ;; + (x|x\#*) ;; (xnamespace) ;; (xfakeinit) _IS_FAKEINIT=1 @@ -298,9 +354,10 @@ function _generateChcontextOptions local flag { - read ctx <"$vdir"/context || : - read hostname <"$vdir"/hostname || : - read domainname <"$vdir"/domainname || : + read ctx <"$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 @@ -319,36 +376,64 @@ function _generateChcontextOptions OPTS_VCONTEXT_CREATE=( $SILENT_OPT \ ${ctx:+--xid "$ctx"} ) ## put '--secure' at front so that it can be overridden - OPTS_VATTRIBUTE=( --secure "${OPTS_VATTRIBUTE[@]}" ) + OPTS_VATTRIBUTE=( --secure --flag default "${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 val=$1 - local dflt=$2 + local _giv_val=$1 + local _giv_dflt=$2 shift 2 - local i - local tmp + local _giv_i + local _giv_tmp - for i; do - read tmp <"$i/$val" && break || : + for _giv_i; do + read _giv_tmp <"$_giv_i/$_giv_val" && break || : done 2>/dev/null - : ${tmp:=$dflt} - eval $val=\$tmp + : ${_giv_tmp:=$_giv_dflt} + eval $_giv_val=\$_giv_tmp } ## Usage: _transformMask2Prefix function _transformMask2Prefix { - local tmp=$2 + local _tm2p_tmp=$2 - test "$tmp" || { - $_MASK2PREFIX "$3" || tmp=$? + test -n "$_tm2p_tmp" || { + $_MASK2PREFIX "$3" || _tm2p_tmp=$? } - eval $1=\$tmp + eval $1=\$_tm2p_tmp return 0 } @@ -358,6 +443,40 @@ function _addInterfaceCmd let ++INTERFACE_CMDS_IDX } +## Usage: _generateMac +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 ]) +} + +function _getVLANInfo +{ + case "$1" in + (vlan????) + panic "\ +creation of VLAN_PLUS_VID devices is not supported; please create them +before starting the vserver and use the 'nodev' flag then" + echo "$1 vlan ${1##vlan} VLAN_PLUS_VID" + ;; + (vlan*) + panic "\ +creation of VLAN_PLUS_VID_NO_PAD devices is not supported; please +create them before starting the vserver and use the 'nodev' flag then" + echo "$1 vlan ${1##vlan} VLAN_PLUS_VID_N0_PAD" + ;; + (*.????) echo "$1 ${1%%.*} ${1##*.} DEV_PLUS_VID";; + (*.*) echo "$1 ${1%%.*} ${1##*.} DEV_PLUS_VID_NO_PAD";; + (*) return 1 + esac + + return 0 +} + ## Usage: _processSingleInterface function _processSingleInterface { @@ -370,51 +489,74 @@ function _processSingleInterface local bcast local name local scope + local mac + local extip + local up="up" _getInterfaceValue ip '' "$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 "$ip" || { echo $"Can not read ip for '$iface'" >&2; return 1; } - - test ! -e "$iface"/only_ip || { - echo $"The 'only_ip' flag for interface '$iface' is deprecated; use 'nodev' instead of" >&2 - unset dev + 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 "$iface"/nodev || unset dev - - if test "$dev"; then - _transformMask2Prefix prefix "$prefix" "$mask" - 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" - } - ;; - esac + test ! -e "$iface"/down || up= + while true; do + _transformMask2Prefix prefix "$prefix" "$mask" INTERFACES=( "${INTERFACES[@]}" "$ip${prefix:+/$prefix}" ) - _addInterfaceCmd IP_ADDR "$ip${prefix:+/$prefix}" broadcast ${bcast:-+} ${name:+label "$dev:$name"} dev "$dev" - #_addInterfaceCmd IP_ROUTE "$ip${prefix:+/$prefix}" dev "$dev" - _addInterfaceCmd IP_LINK "$dev" - fi + + test ! -e "$iface"/nodev || break + ## LEGACY ALERT + test ! -e "$iface"/only_ip || break + + local vlan_info + if vlan_info=$(_getVLANInfo "$dev"); then + 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 $vlan_info + } + fi + + if ! test -e "$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 function _generateInterfaceOptions { local iface + local ctx + + test ! -e "$1"/context || read ctx <"$1"/context for iface in "$1/interfaces/"*; do test -d "$iface" || continue @@ -430,30 +572,47 @@ 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 - VCONFIG) $_VCONFIG add "${var[@]}";; - IP_ADDR) $_IP addr add "${var[@]}";; - IP_LINK) $_IP link set "${var[@]}" up;; - IP_ROUTE) $_IP route add "${var[@]}";; - *) echo "Unknown interface-command type '$type'" >&2; false;; + IPTABLES) ;; ## TODO + MODPROBE) + local mod=$1 + local name=$2 + shift 2 + $_MODPROBE ${name:+-o "$name"} "$mod" "$@" + ;; + NAMEIF) $_NAMEIF "$@";; + VCONFIG) $_VCONFIG set_name_type "$4" >/dev/null + $_VCONFIG add "$2" "$3" >/dev/null;; + 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 '$type'" >&2; false;; esac let ++i done + + unlock 1 } function disableInterfaces { - test "$_HAVE_INTERFACE_OPTIONS" || _generateInterfaceOptions "$1" + test -n "$_HAVE_INTERFACE_OPTIONS" || _generateInterfaceOptions "$1" local i=$INTERFACE_CMDS_IDX declare -a var + lock "$__LOCKDIR"/vserver.interfaces + while test $i -gt 0; do let --i || : @@ -461,14 +620,21 @@ function disableInterfaces local type=${var[0]} unset var[0] + set -- "${var[@]}" case "$type" in - VCONFIG) $_VCONFIG rem "${var[@]}";; - IP_ADDR) $_IP addr del "${var[@]}";; - IP_LINK) ;; ## Ignore the link-down command for now - IP_ROUTE) $_IP route del "${var[@]}";; - *) echo "Unknown interface-command type '$type'" >&2; false;; + IPTABLES) ;; ## TODO + MODPROBE) $_RMMOD "${2:-$1}";; + NAMEIF) ;; + VCONFIG) $_VCONFIG rem "$2.$3" >/dev/null;; + 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 '$type'" >&2; false;; esac done + + unlock 1 } ## Usage: prepareInit @@ -478,7 +644,11 @@ function prepareInit case "$INITSTYLE" in sysv) { find var/run ! -type d -print0; \ - find var/lock ! -type d -print0; } | xargs -0r $_CHROOT_RM + 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) ;; @@ -487,27 +657,68 @@ function prepareInit popd >/dev/null } -function generateOptions +## Usage: prepareInit +function prepareStop { - _generateInterfaceOptions "$1" - test "$_HAVE_CHBIND_OPTIONS" || _generateChbindOptions "$1" - _generateNiceCommand "$1" - _generateInitOptions "$1" - _generateChcontextOptions "$1" + pushd "$1/vdir" >/dev/null + case "$INITSTYLE" in + (sysv) + export PREVLEVEL=$RUNLEVEL_START # required by Debian's initscripts + ;; + esac + "${STOPCMD_PREPARE[@]}" + popd >/dev/null +} + - if test "$_IS_FAKEINIT"; then +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=( "${OPTS_VCONTEXT_MIGRATE[@]}" --fakeinit --disconnect ) + OPTS_VCONTEXT_MIGRATE=( "${OPTS_VCONTEXT_MIGRATE[@]}" --initpid --disconnect ) fi } function _mountVserverInternal { local fstab="$1" + local xflag= + test -e "$fstab" || return 0 shift - - "$@" $_SECURE_MOUNT -a --chroot "$vdir" --fstab "$fstab" + + pushd "$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 @@ -518,21 +729,23 @@ function mountVserver local mtab_src test -e "$cfgdir"/fstab -o \ - -e "$cfgdir"/fstab.local || return 0 + -e "$cfgdir"/fstab.local -o \ + -e "$cfgdir"/fstab.remote || return 0 - findObject -r mtab_src "$vdir"/apps/init/mtab "$CONFDIR"/.defaults/init/mtab "$PKGLIBDEFAULTDIR"/mtab /dev/null + findObject -r mtab_src "$cfgdir"/apps/init/mtab "$__CONFDIR"/.defaults/init/mtab "$__PKGLIBDEFAULTDIR"/mtab /dev/null pushd "$vdir" >/dev/null - $_CHROOT_CAT /etc/mtab <"$mtab_src" + $_CHROOT_SH truncate /etc/mtab <"$mtab_src" popd >/dev/null - test "$_HAVE_CHBIND_OPTIONS" || _generateChbindOptions "$cfgdir" + test -n "$_HAVE_CHBIND_OPTIONS" || _generateChbindOptions "$cfgdir" test -z "$NAMESPACE_CLEANUP" || isAvoidNamespace "$cfgdir" || \ $_VNAMESPACE --cleanup - _mountVserverInternal "$cfgdir"/fstab $_CHBIND "${CHBIND_OPTS[@]}" + _mountVserverInternal "$cfgdir"/fstab _mountVserverInternal "$cfgdir"/fstab.local + _mountVserverInternal "$cfgdir"/fstab.remote $_CHBIND "${CHBIND_OPTS[@]}" isAvoidNamespace "$cfgdir" || \ $_SECURE_MOUNT --rbind -n "$vdir" "/" @@ -544,10 +757,10 @@ function _umountVserverInternal test -e "$fstab" || return 0 shift - tac "$fstab" | { + $_TAC "$fstab" | { is_ok=1 while read src dst tmp; do - test "$tmp" || continue + test -n "$tmp" || continue case x"$src" in (x\#*) continue;; esac @@ -555,7 +768,7 @@ function _umountVserverInternal "$@" $_EXEC_CD "$dst" $_UMOUNT -lfn . || is_ok= done - test "$is_ok" + test -n "$is_ok" } } @@ -568,34 +781,199 @@ function umountVserver isAvoidNamespace "$cfgdir" || return 0 test -e "$cfgdir"/fstab -o \ -e "$cfgdir"/fstab.local || return 0 - test "$_HAVE_CHBIND_OPTIONS" || _generateChbindOptions "$cfgdir" + 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 "$is_ok" + test -n "$is_ok" +} + +## Usage: waitForSync +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 +function initWait +{ + if $_VSERVER_INFO - FEATURE vwait; then + local _is_tmpdir + _is_tmpdir=$($_MKTEMPDIR /tmp/vwaitstat.XXXXXX) + + ( + $_VWAIT --timeout "$VSHELPER_SYNC_TIMEOUT" \ + --status-fd 3 "$2" \ + >>$_is_tmpdir/out 2>$_is_tmpdir/err 3>$_is_tmpdir/fifo + rc=$? + + if test "$rc" -ne 0 -a "$rc" -ne 1; then + $_VPS axf | $_EGREP -e "^[^ \t]+[ \t]+$S_CONTEXT[ \t]+" >&4 + killContext "$S_CONTEXT" 9 + fi + + exit $rc + ) 4>$_is_tmpdir/procs & + + echo "$!" >$_is_tmpdir/pid + eval "$3"=$_is_tmpdir + fi +function _waitForVWait +{ + wait "$3" || : + + declare -a status + declare -r procs=$(cat $4) + + getFileArray status "$2" + 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 $"\ +A timeout occured while waiting for the vserver to finish and it will +be killed by sending a SIGKILL signal. The following process list +might be useful for finding out the reason of this behavior: + +---------------------------------------------------------------------- +${procs:+$procs +}----------------------------------------------------------------------" + ;; + + (\?\?\?|*) 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 [] [] +function waitForSync +{ + local cfgdir=$1 + local fifo=$2 + local vwait_statdir=$3 + local vwait_pid=$4 + + if test -d "$vwait_statdir"; then + _waitForVWait "$cfgdir" "$vwait_statdir/fifo" "$( <$vwait_statdir/pid )" "$vwait_statdir/procs" + elif test -n "$_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 + local vdir name flavor start i already_handled base . "$@" } ## Usage: execScriptlets function execScriptlets { - local vdir=$1 - local name=$2 - local flavor=$3 - local start= - local i + 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 +} + - for i in "$vdir/scripts/$flavor" "$vdir/scripts/$flavor.d"/*; do - test -f "$i" -a -r "$i" || continue - test -x "$i" || start=_sourceWrap - $start "$i" "$flavor" "$name" +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" }