-#! /bin/bash
+# $Id$ --*- sh -*--
# Copyright (C) 2003 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
#
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=
INITSTYLE=sysv
S_CONTEXT=
SILENT_OPT=
-_NEWLINE='
-'
-_NEWLINE=${_NEWLINE:0-1}
: ${VSERVER_NAME:=$(basename "$VSERVER_DIR")}
-if test -e "$VSERVER_DIR"/noisy; then
+if test -e "$VSERVER_DIR"/noisy -o "$OPTION_VERBOSE"; then
SILENT_OPT=
else
SILENT_OPT='--silent'
fi
-## Called as '_getFileValue <varname> <filename>'
-function _getFileValue
-{
- test -r "$2" || return 0
- eval read "$1" <"$2"
-}
-
-## Called as '_getFileArray <varname> <filename>'
-function _getFileArray
-{
- test -r "$2" || return 0
-
- local IFS=$_NEWLINE
- eval "$1"='( $(< "$2") )'
-}
-
function _generateChbindOptions
{
local vdir="$1"
local i
local bcast=
+ test "$_HAVE_INTERFACE_OPTIONS" || _generateInterfaceOptions "$vdir"
+
local f=$vdir/interfaces/bcast
- _getFileValue bcast "$f"
+ getFileValue bcast "$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
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=()
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 <"$vdir"/capabilities
}
ENTER_SHELL=()
- _getFileValue ENTER_SHELL "$vdir"/shell
+ getFileValue ENTER_SHELL "$vdir"/shell
test "$ENTER_SHELL" || {
local i
}
}
+## Usage: sendKillSequence <ctx> <signal> [<wait> <signal>]*
+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=$1
local cfgdir=$vdir/apps/init
- local runlevel_start=3
- local runlevel_stop=6
+ local runlevel_start
+ local runlevel_stop
local i f
INITCMD_START=()
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 "$cfgdir"/killseq
+ getFileValue INITSTYLE "$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"$INITSTYLE" in
- xsysv)
+ (xsysv)
+ test "$runlevel_start" || runlevel_start=3
+ test "$runlevel_stop" || runlevel_stop=6
+
for i in /etc/init.d/rc /etc/rc.d/rc; do
test -x "$vdir/vdir/$i" || continue
INITCMD_START=( "$i" "$runlevel_start" )
INITCMD_PREPARE=( $_FAKE_RUNLEVEL "$runlevel_start" /var/run/utmp )
;;
- xplain)
+ (xplain)
INITCMD_START=( /sbin/init )
INITCMD_STOP=( /sbin/init )
CHCONTEXT_INIT_OPTS=( --disconnect --flag fakeinit )
+ OPTS_VCONTEXT_MIGRATE=( "${OPTS_VCONTEXT_MIGRATE[@]}" --fakeinit --disconnect )
test -z "$runlevel_start" || INITCMD_START=( "${INITCMD_START[@]}" "$runlevel_start" )
test -z "$runlevel_stop" || INITCMD_STOP=( "${INITCMD_STOP[@]}" "$runlevel_stop" )
;;
- xminit)
+ (xminit)
INITCMD_START=( /sbin/minit-start )
INITCMD_STOP=( /sbin/minit-stop )
CHCONTEXT_INIT_OPTS=( --disconnect --flag fakeinit )
INITCMD_START_SYNC=( "$_INITSYNC_MINIT_START" "$vdir" )
INITCMD_STOP_SYNC=( "$_INITSYNC_MINIT_STOP" "$vdir" )
+ OPTS_VCONTEXT_MIGRATE=( "${OPTS_VCONTEXT_MIGRATE[@]}" --fakeinit --disconnect )
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 '$INITSTYLE'; aborting" >&2;
+ (x) ;;
+ (*) echo "Unknown init-style '$INITSTYLE'; aborting" >&2;
exit 1;;
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 "$cfgdir"/cmd.prepare
+ getFileArray INITCMD_START "$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
test -e "$cfgdir"/sync -o "$OPTION_FORCE_SYNC" || {
while read flag; do
case x"$flag" in
- x|x#) ;;
- dummy) ;;
- fakeinit)
- CHCONTEXT_FLAG_OPTS=( "${CHCONTEXT_FLAG_OPTS[@]}"
- --disconnect --flag --fakeinit )
+ (x|x\#) ;;
+ (xnamespace) ;;
+ (xfakeinit)
+ CHCONTEXT_INIT_OPTS=( --disconnect --flag fakeinit )
+ OPTS_VCONTEXT_MIGRATE=( "${OPTS_VCONTEXT_MIGRATE[@]}" --fakeinit --disconnect )
;;
- *)
+ (*)
+ OPTS_VATTRIBUTE=( "${OPTS_VATTRIBUTE[@]}" --flag "$flag" )
CHCONTEXT_FLAG_OPTS=( "${CHCONTEXT_FLAG_OPTS[@]}"
--flag "$flag" )
;;
esac
done <"$vdir"/flags
+
+ isAvoidNamespace "$cfgdir" || {
+ USE_VNAMESPACE=1
+ CHCONTEXT_FLAG_OPTS=( "${CHCONTEXT_FLAG_OPTS[@]}" --flag namespace )
+ }
}
function _generateChcontextOptions
local flag
{
- read ctx <"$vdir"/context
- read hostname <"$vdir"/hostname
- read domainname <"$vdir"/domainname
+ read ctx <"$vdir"/context || :
+ read hostname <"$vdir"/hostname || :
+ read domainname <"$vdir"/domainname || :
} 2>/dev/null
test -z "$S_CONTEXT" || ctx=$S_CONTEXT
CHCONTEXT_OPTS=( $SILENT_OPT \
"${CHCONTEXT_FLAG_OPTS[@]}" \
- "${CHCONTEXT_INIT_OPTS[@]}" \
"${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 "${OPTS_VATTRIBUTE[@]}" )
}
function _getInterfaceValue
_getInterfaceValue name '' "$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 $"VLAN device-name used, but vlan subsystem not enabled.\nTry to execute 'modprobe 8021q' before starting the vservers" >&2
return 1
}
test -f /proc/net/vlan || {
_processSingleInterface "$iface"
done
+ _HAVE_INTERFACE_OPTIONS=1
}
function enableInterfaces
function disableInterfaces
{
+ test "$_HAVE_INTERFACE_OPTIONS" || _generateInterfaceOptions "$1"
+
local i=$INTERFACE_CMDS_IDX
declare -a var
while test $i -gt 0; do
- let --i
+ let --i || :
eval var='( "${INTERFACE_CMDS_'$i'[@]}" )'
local type=${var[0]}
function generateOptions
{
_generateInterfaceOptions "$1"
- _generateChbindOptions "$1"
+ test "$_HAVE_CHBIND_OPTIONS" || _generateChbindOptions "$1"
_generateNiceCommand "$1"
_generateInitOptions "$1"
_generateChcontextOptions "$1"
}
+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 -o \
+ -e "$cfgdir"/fstab.local || return 0
- test -e "$cfgdir"/fstab || return 0
- $_CHBIND "${CHBIND_OPTS[@]}" \
- $_SECURE_MOUNT -a --chroot "$vdir" --fstab "$cfgdir"/fstab
+ findObject -r mtab_src "$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"
+
+ 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
+ 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[@]}" \
- $_SECURE_UMOUNT "$dst" || 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"
}