X-Git-Url: http://git.linux-vserver.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=util-vserver%2Fscripts%2Fvserver.functions;h=4c2a0c9239cbe32f7e31969055ba4f2415956f7e;hb=3d3c9e96f398fe4eddd4c73bcc50386ca8a8812e;hp=deed894fea40be15c82e470580444f3504fce9de;hpb=4fbda6a580ea77c11a507c1c45f1bceed3653722;p=util-vserver.git diff --git a/util-vserver/scripts/vserver.functions b/util-vserver/scripts/vserver.functions index deed894..4c2a0c9 100644 --- a/util-vserver/scripts/vserver.functions +++ b/util-vserver/scripts/vserver.functions @@ -36,9 +36,15 @@ 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_VATTRIBUTE=() +USE_VNAMESPACE= + INTERFACE_CMDS_IDX=0 _HAVE_INTERFACE_OPTIONS= _HAVE_CHBIND_OPTIONS= +_IS_FAKEINIT= INITSTYLE=sysv @@ -85,11 +91,44 @@ function _generateNiceCommand NICE_CMD=( $_NICE -$nice ) } +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=() @@ -97,13 +136,14 @@ function _generateCapabilityOptions while read cap; do case x"$cap" in - x|x#) ;; - !CAP_SYSCHROOT) + (x|x\#) ;; + (!CAP_SYSCHROOT) CAP_OPTS=( "${CAP_OPTS[@]}" --cap "$cap" ) CAPCHROOT_OPTS=( "${CAPCHROOT_OPTS[@]}" --nochroot ) ;; - *) - CAP_OPTS=( "${CAP_OPTS[@]}" --cap "$cap" );; + (*) + CAP_OPTS=( "${CAP_OPTS[@]}" --cap "$cap" ) + ;; esac done <"$vdir"/capabilities } @@ -127,6 +167,23 @@ function getEnterShell } } +## Usage: sendKillSequence [ ]* +function sendKillSequence +{ + local ctx=$1 + local wait= + shift + + while isCtxRunning "$ctx"; do + test -z "$wait" || sleep "$wait" + + $_VKILL -c "$ctx" ${1:+-s "$1"} + test "$2" || break + wait="$2" + shift 2 + done +} + function _generateInitOptions { local vdir=$1 @@ -149,10 +206,10 @@ function _generateInitOptions getFileValue runlevel_start "$cfgdir"/runlevel getFileValue runlevel_start "$cfgdir"/runlevel.start getFileValue runlevel_stop "$cfgdir"/runlevel.stop - getFileArray INITKILL_SEQ "$cfgdir"/killseq + getFileArray INITKILL_SEQ "$cfgdir"/killseq case x"$INITSTYLE" in - xsysv) + (xsysv) test "$runlevel_start" || runlevel_start=3 test "$runlevel_stop" || runlevel_stop=6 @@ -164,26 +221,31 @@ function _generateInitOptions INITCMD_PREPARE=( $_FAKE_RUNLEVEL "$runlevel_start" /var/run/utmp ) ;; - xplain) + (xplain) INITCMD_START=( /sbin/init ) INITCMD_STOP=( /sbin/init ) - CHCONTEXT_INIT_OPTS=( --disconnect --flag fakeinit ) + _IS_FAKEINIT=1 test -z "$runlevel_start" || INITCMD_START=( "${INITCMD_START[@]}" "$runlevel_start" ) test -z "$runlevel_stop" || INITCMD_STOP=( "${INITCMD_STOP[@]}" "$runlevel_stop" ) ;; - xminit) + (xminit) INITCMD_START=( /sbin/minit-start ) INITCMD_STOP=( /sbin/minit-stop ) - CHCONTEXT_INIT_OPTS=( --disconnect --flag fakeinit ) + _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" ) ;; - x) ;; - *) echo "Unknown init-style '$INITSTYLE'; aborting" >&2; + (xgentoo) + INITCMD_START=( /sbin/rc default ) + INITCMD_STOP=( /sbin/rc shutdown ) + ;; + + (x) ;; + (*) echo "Unknown init-style '$INITSTYLE'; aborting" >&2; exit 1;; esac @@ -206,21 +268,26 @@ function _generateFlagOptions CHCONTEXT_FLAG_OPTS=() - test -e "$vdir"/flags || return 0 - + test ! -e "$vdir"/flags || \ while read flag; do case x"$flag" in - x|x#) ;; - dummy) ;; - fakeinit) - CHCONTEXT_INIT_OPTS=( --disconnect --flag fakeinit ) + (x|x\#) ;; + (xnamespace) ;; + (xfakeinit) + _IS_FAKEINIT=1 ;; - *) + (*) + OPTS_VATTRIBUTE=( "${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 @@ -248,6 +315,11 @@ function _generateChcontextOptions ${ctx:+--ctx "$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 "${OPTS_VATTRIBUTE[@]}" ) } function _getInterfaceValue @@ -307,17 +379,21 @@ function _processSingleInterface _getInterfaceValue name '' "$iface" _getInterfaceValue scope '' "$iface" "$iface/.." - test "$ip" || { echo $"Can not read ip for '$iface'"; return 1; } + test "$ip" || { echo $"Can not read ip for '$iface'" >&2; return 1; } - test ! -e "$iface"/only_ip || unset dev + test ! -e "$iface"/only_ip || { + echo $"The 'only_ip' flag for interface '$iface' is deprecated; use 'nodev' instead of" >&2 + unset dev + } + 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" + 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 || { @@ -418,48 +494,86 @@ function generateOptions _generateNiceCommand "$1" _generateInitOptions "$1" _generateChcontextOptions "$1" + + if test "$_IS_FAKEINIT"; then + CHCONTEXT_INIT_OPTS=( --disconnect --flag fakeinit ) + OPTS_VCONTEXT_MIGRATE=( "${OPTS_VCONTEXT_MIGRATE[@]}" --fakeinit --disconnect ) + fi +} + +function _mountVserverInternal +{ + local fstab="$1" + test -e "$fstab" || return 0 + shift + + "$@" $_SECURE_MOUNT -a --chroot "$vdir" --fstab "$fstab" } function mountVserver { local cfgdir=$1 + local ns_opt=$2 local vdir=$1/vdir local mtab_src - test -e "$cfgdir"/fstab || return 0 + test -e "$cfgdir"/fstab -o \ + -e "$cfgdir"/fstab.local || return 0 - findObject -r mtab_src "$vdir"/apps/init/mtab "$CONFDIR"/.defaults/init/mtab /dev/null + findObject -r mtab_src "$vdir"/apps/init/mtab "$CONFDIR"/.defaults/init/mtab "$PKGLIBDEFAULTDIR"/mtab /dev/null pushd "$vdir" >/dev/null $_CHROOT_CAT /etc/mtab <"$mtab_src" popd >/dev/null test "$_HAVE_CHBIND_OPTIONS" || _generateChbindOptions "$cfgdir" - $_CHBIND "${CHBIND_OPTS[@]}" \ - $_SECURE_MOUNT -a --chroot "$vdir" --fstab "$cfgdir"/fstab + + test -z "$NAMESPACE_CLEANUP" || isAvoidNamespace "$cfgdir" || \ + $_VNAMESPACE --cleanup + + _mountVserverInternal "$cfgdir"/fstab $_CHBIND "${CHBIND_OPTS[@]}" + _mountVserverInternal "$cfgdir"/fstab.local + + isAvoidNamespace "$cfgdir" || \ + $_SECURE_MOUNT --rbind -n "$vdir" "/" +} + +function _umountVserverInternal +{ + local fstab="$1" + test -e "$fstab" || return 0 + shift + + tac "$fstab" | { + is_ok=1 + while read src dst tmp; do + test "$tmp" || continue + case x"$src" in + (x\#*) continue;; + esac + + + "$@" $_EXEC_CD "$dst" $_UMOUNT -lfn . || is_ok= + done + test "$is_ok" + } } function umountVserver { local cfgdir=$1 local vdir=$1/vdir + local is_ok=1 - is_ok=1 - - test -e "$cfgdir"/fstab || return 0 - test "$_HAVE_CHBIND_OPTIONS" || _generateChbindOptions "$cfgdir" + isAvoidNamespace "$cfgdir" || return 0 + test -e "$cfgdir"/fstab -o \ + -e "$cfgdir"/fstab.local || return 0 + test "$_HAVE_CHBIND_OPTIONS" || _generateChbindOptions "$cfgdir" - pushd "$vdir/" >/dev/null - tac "$cfgdir"/fstab | while read src dst tmp; do - test "$tmp" || continue - case x"$src" in - x#*) continue;; - esac - - $_CHBIND "${CHBIND_OPTS[@]}" $_EXEC_CD "$dst" \ - $_UMOUNT -lfn . || is_ok= - done - popd >/dev/null + pushd "$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" }