remove uClibc stuff - part I

1 files changed, 0 insertions, 1034 deletions

diff --git a/src/initramfs/stage3-stuff/init b/src/initramfs/stage3-stuff/init
deleted file mode 100755
index ec0e815f..00000000
--- a/src/initramfs/stage3-stuff/init
+++ /dev/null
@@ -1,1034 +0,0 @@
-#!/bin/sh
-# Copyright (c) 2003..2006 - RZ Uni Freiburg
-# Copyright (c) 2006..2010 - OpenSLX GmbH
-#
-# This program is free software distributed under the GPL version 2.
-# See http://openslx.org/COPYING
-#
-# If you have any feedback please consult http://openslx.org/feedback and
-# send your feedback to feedback@openslx.org
-#
-# General information about OpenSLX can be found at http://openslx.org
-#
-# Main script for initial ramfs for OpenSLX linux stateless clients
-#############################################################################
-
-# fixme: the primary init script should never fail, so move all critical code
-# into sub script calls (see ticket 259)
-
-export PATH=/bin:/sbin:/usr/bin/:/usr/sbin
-
-# device files get their own filesystem (to be move mounted later)
-devdir="/dev"
-mount -n -t tmpfs -o 'size=25%,mode=0755' initramfsdevs ${devdir}
-
-# mount the important standard directories
-[ ! -f /proc/cpuinfo ] && mount -n -t proc proc /proc
-[ ! -d /sys/class ] && mount -n -t sysfs sysfs /sys
-
-# create basic device files an directories (in dev - for most hardware related
-# devices mdev should handle that)
-for i in "/dev/mem c 1 1" "/dev/null c 1 3" "/dev/zero c 1 5" \
-         "/dev/urandom c 1 9" "/dev/kmsg c 1 11" "/dev/tty0 c 4 0" \
-         "/dev/tty1 c 4 1" "/dev/tty2 c 4 2" "/dev/tty3 c 4 3" \
-         "/dev/tty4 c 4 4" "/dev/tty5 c 4 5" "/dev/tty6 c 4 6" \
-         "/dev/tty7 c 4 7" "/dev/tty8 c 4 8" "/dev/tty9 c 4 9" \
-         "/dev/tty10 c 4 10" "/dev/tty c 5 0" "/dev/console c 5 1" \
-         "/dev/ptmx c 5 2" "/dev/psaux c 10 1" "/dev/agpgart c 10 175" \
-         "/dev/fb0 c 29 0" "/dev/xconsole p"; do
-  mknod $i
-done
-mkdir -p ${devdir}/pts ${devdir}/shm ${devdir}/.udevdb ${devdir}/.udev \
-  ${devdir}/.initramfs /var/log
-# create some standard links (expected?) in /dev
-ln -s /proc/kcore /dev/core
-ln -s /proc/self/fd /dev/fd
-ln -s /proc/self/fd/0 /dev/stdin
-ln -s /proc/self/fd/1 /dev/stdout
-ln -s /proc/self/fd/2 /dev/stderr
-
-# redirect kernel messages to tty10 instead of the standard console
-getty -i -n -l /bin/cat 38400 tty10 &
-setlogcons 10
-
-# start device auto discovery/setup service of busybox
-echo >/etc/mdev.conf
-mdev -s
-
-# source functions file common for all distros, messages contains all error
-# and info output (for some reason the error output is not produced properly
-# - crash)
-
-# how do the localization here? There is not yet a country-Variable
-. /etc/messages
-. /etc/functions || ( echo -e $init_mff && sleep 100 )
-. /etc/distro-functions || ( echo -e $init_dff && sleep 100 )
-
-# configuration settings for this slx system's environment
-. /etc/slxsystem.conf 2>/dev/null || ( echo -e ${init_sscf} && \
-  sleep 100 )
-# initramfs-setup configuration (common initial settings for all clients using
-# a certain InitRamFS generated by slxconfig-demuxer)
-[ -f /etc/initramfs-setup ] && . /etc/initramfs-setup 2>/dev/null
-
-export date="${slxconf_date}"
-
-export DEBUGLEVEL=0
-export KERNEL="${slxconf_kernver}"
-export NWMODULES="${slxconf_listnwmod}"
-export DISTRO_NAME="${slxconf_distro_name}"
-export DISTRO_VER="${slxconf_distro_ver}"
-export SYSTEM_NAME="${slxconf_system_name}"
-export SLXVERSION="${slxconf_slxver}"
-
-# do not use dnbd cache file
-nodnbdcache="yes"
-
-# set a default LAN interface, might be modified for WLAN, bridge setups or
-# on machines with more than one ethernet card built in
-export nwif="eth0"
-
-# load usb modules for keyboard (reenable usb keyboards, otherwise the
-# admin has to wait until second run of hwsetup late in stage3) and the
-# network adaptor modules, search for pci modules to load later on
-hwautocfg base
-
-# if no kernel version is set, try to get it directly from /proc
-if [ -z $KERNEL ] ; then
-  KERNEL=$(cat /proc/version)
-  KERNEL=${KERNEL#*version }
-  KERNEL=${KERNEL% (*) (*}
-fi
-
-# set defaults for some important variables, might be overwritten via
-# kernel commandline
-tmpfssize="$(expr $(grep -i "memtotal" /proc/meminfo | awk '{print $2}') \
-  / 100 \* 75 - 128000)k" # in kbyte
-cowsize="50%"
-rwdir=/dev/shm
-nfsro="nfs"
-aufs=1
-unionfs=1
-
-runinithook '00-started'
-
-# run pre init script and user defined preinit.local, copied by mkdxsinitrd
-# from /var/lib/openslx/config/... in stage2
-preinit
-[ -x /bin/preinit.local ] && /bin/preinit.local
-
-
-# switch off the several configuration methods, will be switched on
-# according to kernel commandline settings
-echo "noldap" > /tmp/ldap-done
-
-# external configuration file retrieval (per tftp) must be done, as otherwise
-# we will never get the initramfs-setup file. By default, we try a predefined
-# standard path (.../tftpboot/client-config/ ...)
-file="yes"
-
-# read kernel commandline
-read KCMDLINE < /proc/cmdline
-export KCMDLINE
-# read the system wide initramfs-setup and then the kernel commandline
-for opts in $(sed "s/#.*//" /etc/initramfs-setup) ${KCMDLINE} ; do
-  case ${opts} in
-    # shut down pc
-    shutdown)
-      cat <<EOL
-
-                     SHUTTING DOWN PC!
-                     
-EOL
-      echo "o" >/proc/sysrq-trigger
-    ;;
-    # from IPAPPEND
-    BOOTIF=*)
-      bootmac=$(echo ${opts} | sed "s/.*=01-//;s/-/:/g")
-    ;;
-    # localization
-    country=*)
-      COUNTRY=${opts#country=}
-      grep -q -E "country=" /etc/initramfs-setup && 
-        echo -e "\n# localization information gotten via kernel command line \
-in $0\ncountry=\"${COUNTRY}\"" >>/etc/initramfs-setup
-    ;;
-    # single token for debugging ...
-    debug)
-      DEBUGLEVEL=1
-    ;;
-    # ... or a specified debug level
-    debug=*)
-      DEBUGLEVEL=${opts#debug=}
-      if [ $DEBUGLEVEL -eq 8 -o $DEBUGLEVEL -eq 20 ] ; then
-        echo "** SLX init started near $(sysup)"
-      elif [ $DEBUGLEVEL -ge 3 -a $DEBUGLEVEL -le 20 ] ; then
-        # create, start a debug shell process
-        echo "Debug shell started on second console (tty2)"
-        echo -e "#!/bin/sh\nsh" >/bin/debugshell
-        chmod u+x /bin/debugshell
-        getty -i -n -l /bin/debugshell 38400 tty2 &
-        # start logging (debuglevel >=3)
-        # fixme: SuSE hangs in Creating /var/log/boot.msg if activated
-        echo "Syslogd started on third console (tty3)"
-        # just to have some name in syslog
-        echo "(slx init)" >/proc/sys/kernel/hostname
-        syslogd -C2048
-	klogd
-        logread -f > /dev/tty3 2>/dev/null &
-        logread -f >> /var/log/messages 2>/dev/null &
-      fi
-    ;;
-    # if configuration should not be gathered by dhcp client
-    nodhcp)
-      nodhcp="yes"
-      echo "nodhcp" >/tmp/dhcp-done
-    ;;
-    nofile)
-      unset file
-      echo "nofile" >/tmp/file-done
-    ;;
-    # if ldap configuration should be triggered
-    ldap)
-      ldap="yes"
-      rm /tmp/ldap-done
-    ;;
-    # ldap configuration with host and port to contact (base)
-    ldap=*)
-      ldap="yes"
-      rm /tmp/ldap-done
-    ;;
-    # file source with tftp server and file location on the server
-    file=*|file)
-      if [ "${opts}" != "file" ] ; then
-        fileprot=$(uri_token ${opts#file=} prot)
-        fileserv=$(uri_token ${opts#file=} server)
-        filepath=$(uri_token ${opts#file=} path)
-      fi
-    ;;
-    # if ld.so.cache should be generated; should be switched on when composing
-    # rootfs from more than one source
-    ldsc)
-      ldsc="yes";;
-    # simple union of base ro rootdir with tempfs on top
-    nounionfs)
-      unionfs=0;;
-    # additional source to unify root filesystem with; the top layer will be
-    # the tempfs
-    unionfs=*)
-      unionfs=1
-      uniondirs=${opts#unionfs=}
-      # most probably it is a good idea to run ldconfig, so enable it
-      ldsc="yes"
-    ;;
-    # same for AUFS; alternative to unionfs
-    noaufs)
-      aufs=0;;
-    aufs=*)
-      aufs=1
-      uniondirs=${opts#aufs=}
-      # most probably it is a good idea to run ldconfig, so enable it
-      ldsc="yes"
-    ;;
-    # if cowloop should be used, only ontop of network block device and in
-    # combination with classical fs, like ext2 useful
-    cowloop=*)
-      cowloop=1
-      #cowsize=${opts#cowloop=}
-    ;;
-    # rootfs will void the variables (d)nbdroot, nfsroot ...
-    # fixme: allow multiple rootfs sources to be unioned!?
-    # if strinstr " " "$rootfs" ...
-    rootfs=*)
-      rootfs=${opts#rootfs=}
-      rootfs=${rootfs#\"}
-      rootfs=${rootfs%%\"}
-      srvproto=$(uri_token $rootfs prot)
-      case $srvproto in
-        nfs)
-          # nfsroot consists of two components
-          nfspath=$(uri_token $rootfs path)
-          nfsserver=$(uri_token $rootfs server)
-          grep -q -E "nfsserver" /etc/initramfs-setup || \
-            echo -e "# nfs root information gotten via kernel command \
-line in $0\nnfsserver=\"${nfsserver}\"\nnfspath=\"${nfspath}\"" \
-              >>/etc/initramfs-setup
-        ;;
-        *nbd*)
-          bldmod=$srvproto
-          # get settings for nbd-client, filesystem equals to path in URI
-          # notation (remove leading slash from filesystem at the end)
-          bldhost=$(uri_token $rootfs server)
-          bldport=$(uri_token $rootfs port)
-          bldrfst=$(uri_token $rootfs path)
-          bldrfst=${bldrfst#/*}
-        ;;
-        aoe)
-          echo "Not implemented yet"
-          bldmod=
-        ;;
-        iscsi)
-          echo "Not implemented yet"
-          bldmod=
-          #iscsiserver=$(uri_token $rootfs server)
-          #iscsiport=$(uri_token $rootfs port)
-          #iscsitarget=$(uri_token $rootfs path)
-        ;;
-        lbd)
-          # use a local device for mounting root block device with given
-          # filesystem directly or a root filesystem container from another
-          # filesystem, e.g. rootfs=lbd://sda1/squashfs (bldmod cannot be
-          # empty, use loop or the real device stuff)
-          bldmod=loop
-          blddev=$(uri_token $rootfs server)
-          bldfst=$(uri_token $rootfs path)
-          bldfst=${bldfst#/*}
-        ;;
-      esac
-    ;;
-    # size of cache dnbd should use within ram
-    dcsize=*)
-      dnbdcachesize=${opts#dcsize=};;
-    # ip configuration client-ip:server-ip:gateway:netmask
-    ip=*)
-      ipinfo=${opts#ip=};;
-    # deprecated: nfs server and path (rewritten to standard style)
-    nfsroot=*)
-      srvproto=nfs
-      nfsroot=${opts#nfsroot=}
-      nfspath=${nfsroot#*:}
-      nfsserver=${nfsroot%:/*}
-      grep -q -E "nfsserver" /etc/initramfs-setup || \
-        echo -e "\n# nfs root information gotten via kernel command line \n\
-in $0\n# deprecated: please use rootfs=nfs://...\nnfsserver=\"${nfsserver}\"\
-\nnfspath=\"${nfspath}\"">> /etc/initramfs-setup
-    ;;
-    # size of tempfs if not max. 50% of RAM should be used
-    tmpfssize=*)
-      tmpfssize=${opts#tmpfssize=};;
-    # vendor code identifier for dhcp requests, that way OpenSLX clients could
-    # be distinguished from other (dhcp) clients
-    vci=*)
-      vci=${opts#vci=};;
-    # option for ddcinfo
-    ddcinfo=*)
-      ddcinfo=${opts#ddcinfo=};;
-  esac
-done
-
-runinithook '05-have-kernelvars'
-
-# at this point a timer should be started to ensure an automated reboot
-# or halt of the machine if SLX init does not succeed (e.g. missing kernel
-# module for the network adaptor)
-if [ ${DEBUGLEVEL} -lt 3 -o ${DEBUGLEVEL} = 8 ] ; then
-  cat<<EOF > /bin/watchdog
-#!/bin/sh
-echo \$$ > /tmp/watchdogpid
-[ ! -f /proc/version ] && mount -n -t proc proc /proc
-sleep 120 2> /dev/null
-echo "o" > /proc/sysrq-trigger
-EOF
-  chmod u+x /bin/watchdog
-  watchdog &
-fi
-
-# check if at least one type of IP configuration is availabe
-if [ -n "$nodhcp" -a -z "$ldap" -a -z "$ipinfo" -a $srvproto != "lbd" ]
-  then echo -e "# You did not specify any advanced configuration mode for \
-your clients. You\n# might want to add the token 'dhcp' for DHCP config, \
-'file(=source)'\n# for config file get via TFTP or 'ldap(=source)' for LDAP \
-configuration to\n# your kernel command line." >> /etc/initramfs-setup
-  if strinfile "clientip" /etc/initramfs-setup ; then
-    # IP configuration seems to be present in initramfs-setup file
-    # TODO: FIX this, as it will clobber all kernel-cmdline values!
-    . /etc/initramfs-setup
-    ipinfo="ip=$clientip:$serverip:$gateway:$subnet_mask"
-  else
-    error "$init_errip"
-  fi
-fi
-
-# for ldap configuration at least basic IP setup is needed to contact the
-# server
-[ -n "$nodhcp" -a -n "$ldap" -a -z "$ipinfo" ] && error "$init_errldap"
-# set debug level and logfile
-if [ $DEBUGLEVEL -eq 20 ] ; then
-  echo "** Setting debuglevel to ${DEBUGLEVEL} at $(sysup)"
-elif [ $DEBUGLEVEL -ne 0 ] ; then
-  echo "Setting debuglevel to ${DEBUGLEVEL}"
-fi
-export MODPRV=" "
-export LOGFILE
-if [ "${DEBUGLEVEL}" -gt 0 -a "${DEBUGLEVEL}" != 8 ] ; then
-  # set LOGFILE and move it later on into stage4
-  LOGFILE="/var/log/slx-boot.log"
-  echo "Starting OpenSLX client boot logging at $(date)" >$LOGFILE
-  echo "1 4 1 7" >/proc/sys/kernel/printk
-  [ "${DEBUGLEVEL}" -ge 2 ] && MODPRV="-v"
-  [ "${DEBUGLEVEL}" -gt 3 -a "${DEBUGLEVEL}" -le 10 ] && {
-    set -x
-    # and the kernel too
-    echo "7 7 7 7" >/proc/sys/kernel/printk; }
-  [ "${DEBUGLEVEL}" -gt 10 -a "${DEBUGLEVEL}" -le 20 ] && set +x
-else
-  # switch off most of kernel debug output
-  echo "0 0 0 0" >/proc/sys/kernel/printk
-  # modprobe should stay quiet
-  MODPRV="-q"
-  LOGFILE="/dev/null"
-fi
-
-runinithook '10-nw-if-config'
-
-# check for multiple ethernet interfaces (we have at least the mac of PXE boot 
-# device in $bootmac)
-# check here for the active ethernet link (skip non-ethN interfaces)
-if strinstr "eth" "$nwif" ; then
-  for ethif in eth0 eth1 eth2 eth3 ; do
-    export macaddr=$(ip link show dev $ethif 2>/dev/null | \
-      grep -i link.ether | awk '{print $2}')
-    # if there is no bootmac present in kernel commandline any checks are
-    # useless
-    if [ -z "$bootmac" ] ; then
-      bootmac="$macaddr"
-      [ "$ethif" != "eth0" ] && error "$init_bootmac" nonfatal
-    fi
-    if [ "$macaddr" = "$bootmac" ] ; then
-      nwif=$ethif
-      break
-    elif [ "x$macaddr" = "x" ] ; then
-      # if the macaddr is empty on the first interface tried, there is no
-      # network adaptor visible (missing kernel module)
-      if [ "$ethif" = "eth0" ] ; then
-        error "$init_errnwad"
-      else
-        # assume a forcedeth problem here (nonmatching MACs)
-        macaddr=${bootmac}
-      fi
-      break
-    fi
-  done
-fi
-# quickfix for proper nwif passing ... (to be fixed in a more general way)
-sed "s/nwif=.*/nwif=\"${nwif}\"/" -i /tmp/env/wrapper.env
-oldnwif=$nwif
-# hook to setup bridging (several virtualization tools ...
-runinithook '20-nw-bridge-config'
-
-# set up loopback networking
-[ $DEBUGLEVEL -eq 20 ] && echo "** starting ip config at $(sysup)"
-ip link set dev lo up 2>/dev/null
-ip addr add 127.0.0.1/8 dev lo 2>/dev/null
-ip link set dev $nwif up  2>/dev/null || error "$init_noeth"
-
-# analyze ip information from the kernel command line and put parts
-# of it into several variables
-if [ -n "$ipinfo" ] ; then
-  getip () {
-    local val="$ipinfo:"; i=$(($1 - 1));
-    while [ $i -gt 0 ] ; do
-      val=${val#*:} ; i=$(($i - 1));
-    done;
-  echo $val|sed "s/:.*//"; }
-  clientip=$(getip 1)
-  serverip=$(getip 2)
-  gateway=$(getip 3)
-  subnet_mask=$(getip 4)
-  broadcast_address=$(ipcalc -s -b $clientip $subnet_mask|sed s/.*=//)
-  [ -z "$broadcast_address" ] && broadcast_address=255.255.255.255
-  # we might have an idea of the dns server via preboot
-  dns_srv=$(getip 5)
-  [ -n "$dns_srv" ] && echo nameserver $dns_srv >/etc/resolv.conf;
-  echo -e "# ip configuration written by $0 script:\nclientip=$clientip\n\
-subnet_mask=$subnet_mask\ngateway=$gateway\nserverip=$serverip\n\
-broadcast_address=$broadcast_address" >>/etc/initramfs-setup
-  # set static ip address
-  ip addr add $clientip/$(ipcalc -s -p $clientip $subnet_mask|sed s/.*=//) \
-    broadcast $broadcast_address dev $nwif 2>/dev/null
-  ip route add default via $gateway 2>/dev/null
-else
-  noipyet="yes"
-fi
-# get configuration data via dhcp (with vendor code identifier if present
-# in ${vci} from kernel command line or initramfs-setup) ...
-if [ -z "$nodhcp" ] ; then
-  ( rundhcp ${vci}; echo "dhcp finished at $(sysup)" >/tmp/dhcp-done ) &
-  if [ -n "$noipyet" ] ; then
-    waitfor /tmp/dhcp-done 20000
-    . /tmp/confviadhcp
-    # by now there should be a proper ip configuration present
-    if [ -z "$clientip" -o -z "$subnet_mask" -o -z "$broadcast_address" ]
-      then error "$init_errdhcp"
-    else
-      { ip addr add \
-          $clientip/$(ipcalc -s -p $clientip $subnet_mask|sed s/.*=//) \
-          broadcast $broadcast_address dev $nwif 2>/dev/null || \
-            error "$init_erripcfg"; }
-      # if gateway is available set it
-      [ -n $gateway ] && ip route add default via $gateway 2>/dev/null
-    fi
-    # fixme: to be checked!!
-    #  else
-    #    if [ -n "$file" -a "$srvproto" = "lbd" ] ; then
-    #      error "$init_erripcfg" nonfatal
-    #    else
-    #      error "$init_erripcfg"
-    #    fi
-    #  fi
-  fi
-fi
-# check if serverip is set as variable @@@serverip@@@
-sed "s,@@@serverip@@@,$serverip," -i /etc/initramfs-setup
-[ $DEBUGLEVEL -eq 20 ] && echo "** finished ip config at $(sysup)"
-
-# on some network adaptors we need to wait for the link to come up
-dmesg | grep -q "link down" && for i in 1 1 1 1  ; do 
-  dmesg | grep -q "link up" && break
-  [ $DEBUGLEVEL -ge 1 ] && echo "network: waited half a second for the \
-link to come up" >>$LOGFILE
-  sleep $i
-done
-# ... or ldap if available (in background)
-[ -n "$ldap" ] && ldapconf &
-# ... or via (t)ftp/http file get (in background)
-[ -n "$file" ] && fileget &
-
-runinithook '25-have-ip-config'
-
-## netconsole is disabled in the default config
-# config_netconsole $clientip $oldnwif $nwif $serverip
-
-# if root filesystem should be imported via local or a network block device
-if [ -n "${bldmod}" ] ; then
-  # load block device driver(s) if needed
-  for module in ${bldmod} ; do
-    modprobe ${MODPRV} ${module} || error "$init_errbld"
-  done
-  mdev -s
-  [ -z "$bldrfst" ] && bldrfst=squashfs
-  bldhost=$(checkip $bldhost)
-  if [ $DEBUGLEVEL -eq 20 ] ; then
-    echo "** starting setup of ${bldmod} at $(sysup)"
-  else
-    echo "Stateless client using ${bldmod} on $bldhost:$bldport with $bldrfst"
-  fi
-  # fixme: check for fs in /proc/filesystems before trying to load the module
-  modprobe ${MODPRV} ${bldrfst} || error "$init_errbld" nonfatal
-
-  # for debugging: interface might not be properly up - check reachability
-  [ $DEBUGLEVEL -ge 1 ] && ping -c 1 -w 15 ${bldhost} >/dev/null 2>&1
-
-  case "${srvproto}" in
-    # network block device present in standard kernel
-    nbd)
-      RDEV=/dev/nbd0
-      waitfor "${RDEV}" 20000 || error "$init_nbddev"
-      i=0
-      while ! nbd-client $bldhost $bldport ${RDEV} -persist ; do
-        usleep 100000
-        i=$(($i + 1))
-        if [ $i -ge 1000 ] ; then
-          error "$init_nbds"; break
-        fi
-      done
-      usleep 100
-      echo deadline > /sys/block/nbd0/queue/scheduler
-      # echo "32" > /sys/block/nbd0/queue/read_ahead_kb
-      ;;
-    # dnbd2 by Vito Di Leo
-    dnbd2)
-      RDEV=/dev/vnbd0
-      waitfor "${RDEV}" 20000 || error "$init_nbddev"
-      # quickhack, should be read in from URI
-      echo 1 > /sys/block/vnbd0/config/vid
-      echo 1 > /sys/block/vnbd0/config/rid
-      # check for others in initramfs-setup and then kernel cmdline
-      rootfs="$(sed -n "/rootfs=/p" /etc/initramfs-setup| \
-        sed "s,rootfs=,,;s,\",,g") "
-      [ "$rootfs" = " " ] && \
-        rootfs="$(cat /proc/cmdline|sed "s,.*rootfs=\",,;s,\".*,,") "
-      i=0
-      # assume no more than 16 different dnbd2 servers (default 4)
-      while [ "x$bldhost" != "x" -a $i -lt 16 ]; do
-        #echo "I: $i R: $rootfs P:$bldport H:$bldhost"
-        echo $bldhost $bldport > /sys/block/vnbd0/server${i}/sock
-        i=$(($i + 1))
-        rootfs=${rootfs#* }
-        bldsp=$(echo ${rootfs}|sed "s, .*,,")
-        bldhost=$(uri_token $bldsp server)
-        bldport=$(uri_token $bldsp port)
-      done
-      # the cfq scheduler seem not a good idea here
-      echo deadline > /sys/block/vnbd0/queue/scheduler
-      # needed for some reason to settle initialization
-      sleep 1
-      i=0
-      while [ $(cat /sys/block/vnbd0/config/running) != 1 ] ; do
-        usleep 100000
-        echo 1 > /sys/block/vnbd0/config/running
-        i=$(($i + 1))
-        if [ $i -ge 50 ] ; then
-          error "$init_dnbd2s"; break
-        fi
-      done
-      echo "64" > /sys/block/vnbd0/queue/read_ahead_kb
-      ;;
-    # dnbd by Thorsten Zitterell
-    dnbd)
-      # quickhack
-      RDEV=/dev/dnbd0
-      if [ -z $nodnbdcache ] ; then  # variable not really used yet
-        mkdir /dnbd
-        mount -n -o 'size=20%' -t tmpfs tmpfs /dnbd
-        ( cat /dev/zero > /dnbd/cache 2>/dev/null || echo "ok" >/tmp/cache ) &
-        clientopt="-c /dnbd/cache"
-        waitfor /tmp/cache 10000
-      fi
-      [ $(echo $bldhost|sed "s,\..*,,") -ge 224 ] && \
-        ip route add 224.0.0.0/4 dev $nwif
-      waitfor /dev/dnbd0 10000 || error "$init_nbddev"
-      echo "dnbd-client -b $bldhost -d $RDEV $clientopt"
-      while ! dnbd-client -b $bldhost -d $RDEV $clientopt ; do
-        usleep 10000
-      done
-      # problem with squashfs and cfq scheduler
-      echo noop > /sys/block/dnbd0/queue/scheduler
-      echo 0 > /sys/block/dnbd0/queue/read_ahead_kb
-      ;;
-    lbd)
-      # using clients local block device (disk partition is to be specified
-      RDEV=/dev/$blddev
-      echo "$bldrfst" >>/etc/filesystems
-      realbldrfst=$bldrfst
-      # we might need to mount the base layer filesystem first before accessing
-      # e.g. a squashfs container file on it
-      bldrfst=auto
-      ;;
-  esac
-  RWRO="ro"
-  if [ -n "${cowloop}" -a -x /bin/cowdev ] ; then
-    modprobe ${MODPRV} cowloop || {
-      error "$init_loadcow" nonfatal
-      unset cowloop; }
-    [ -x /bin/mdev ] && mdev -s
-  fi
-  if [ -n "${cowloop}" ] ; then
-    if [ -n "${unionfs}" -o -n "${aufs}" ] ; then
-      error "$init_cownobld"
-      unset unionfs aufs
-    fi
-    echo "Using Copy-on-Write block device for rw access"
-    mount -n -t tmpfs -o size=${cowsize} ramfs ${rwdir}
-    mkdir /dev/cow && mknod /dev/cow/ctl b 241 255
-    usleep 200
-    ln -s /dev/cowloop0 /dev/cow/0
-    # fixme - cowdev depending on blockdev choosen above ...
-    cowdev -a /dev/nbd0 ${rwdir}/nbd.cow
-    usleep 200
-    RWRO="rw"
-    RDEV=/dev/cow/0
-    # run ldconfig if not switched off via kernel command line
-    ldcfg
-  else
-    # use normal UnionFS behaviour because rootfs is not NFS
-    unset nfsro
-  fi
-  # finally mount the configured network/local block device
-  for i in 0 5000 20000 100000 500000 1000000 ; do
-    usleep $i
-    mount -n -t $bldrfst -o $RWRO $RDEV /mnt 2>/dev/null && break
-  done
-  # check if we got the rootfilesystem directly or need to mount a container
-  # file from the mounted block device
-  if [ "${srvproto}" = "lbd" -a -f /mnt/boot/${slxconf_system_name} ]; then
-    mkdir /dev/bootdisk
-    mount --move /mnt /dev/bootdisk
-    mount -t ${realbldrfst} -o loop \
-      /dev/bootdisk/boot/${slxconf_system_name} /mnt || error "$init_errloop"
-  fi
-  [ $DEBUGLEVEL -eq 20 ] && echo "** finished blockdev setup stuff at $(sysup)"
-elif [ -n ${iscsiserver} ] ; then
-  [ $DEBUGLEVEL -eq 20 ] && echo "** started setting up iSCSI initiator at \
-$(sysup)"
-  #if [ -n ${iscsitarget} ] ; then
-  #  echo "InitiatorName=${iscsitarget}"|sed "s,@@@serverip@@@,$serverip," \
-  #    >/etc/initiatorname.iscsi
-  #else
-  # discovery
-  #fi
-  #echo -e "node.startup = automatic">/etc/iscsid.conf
-  #iscsid -c /etc/iscsid.conf
-  # the cowloop part has to be moved (option for iscsi devices too)
-  # and should be generalized for nbd, dnbd, iscsi
-fi
-
-# if no type of root filesystem is passed via kernel command line try
-# information gathered from dhcp process (only valid for nfs)
-if [ -z "${bldmod}" -a -z "${bldhost}" -a -z "${nfsserver}" ] ; then
-  # information has to be read from dhcp and ldap configuration
-  # cfgcomplete merges all configuration files
-  cfgcomplete
-fi
-
-# mount nfs rootfs
-if [ -z "${bldmod}" -a -z "${bldserver}" ] ; then
-  [ $DEBUGLEVEL -eq 20 ] && echo "** started nfs mount"
-  # read in extended initramfs-setup
-  . /etc/initramfs-setup
-  # prefer nfsserver and nfspath from kernel commandline over the information
-  # gotten from dhcp server
-  if [ -n "${nfsserver}" -a -n "${nfspath}" ] ; then
-    # check if nfsserver is set as variable @@@serverip@@@
-    nfsserver=$(checkip $nfsserver)
-  else
-    # we got a problem here
-    error "$init_nfssp" fatal
-  fi
-  # interface might not be properly up - check reachability
-  ping -c 1 -w 15 ${nfsserver} >/dev/null 2>&1
-  # mount the rootfs via nfs readonly (ro)
-  fsmount nfs ${nfsserver} ${nfspath} /mnt ro
-  #for transport in tcp udp fail; do
-  #  [ $proto = "fail" ] && { error "$init_nfs"; break; }
-  #  mount -n -t nfs -o ro,nolock,${transport} ${nfsroot} /mnt && break
-  #done
-  [ $DEBUGLEVEL -eq 20 ] && echo "** finished nfs mount at $(sysup)"
-fi
-
-runinithook '35-have-network-root'
-
-# get the complete collection of kernel modules and firmwares available
-testmkd /lib/firmware
-mount -n --bind /mnt/lib/modules /lib/modules && \
-mount -n --bind /mnt/lib/firmware /lib/firmware || error "$init_moddir"
-# start hardware configuration as background process if not a special
-# debuglevel (21) is used for the option of manual hwautocfg start
-if [ ${DEBUGLEVEL} = 21 ] ; then
-  echo "You can run 'hwautocfg main &' manually now ..."
-  /bin/sh
-else
-  [ $DEBUGLEVEL -eq 20 ] && echo "** started hwautocfg in background at \
-$(sysup)"
-  hwautocfg main &
-fi
-
-runinithook '40-started-hw-config'
-
-# unionfs/aufs modules visible by now if installed, try to use aufs for rw
-# access if available
-union_type=""
-if [ ${aufs} -eq 1 ] && \
-   modprobe ${MODPRV} aufs 2>/dev/null && \
-   lsmod | grep -qe "^aufs" ; then union_type="AUFS"
-elif [ ${unionfs} -eq 1 ] && \
-     modprobe ${MODPRV} unionfs 2>/dev/null && \
-     lsmod | grep -qe "^unionfs" ; then union_type="UnionFS"
-elif [ ${aufs} -eq 0 -a ${unionfs} -eq 0 -a -z "${cowloop}" ] ; then
-  error "$init_deselau" nonfatal
-  unset aufs unionfs
-else
-  error "$init_loadaufs" nonfatal
-  unset aufs unionfs
-fi
-
-# runtimer
-[ $DEBUGLEVEL -eq 8 -o $DEBUGLEVEL -eq 20 ] && \
-  echo "** Filesystem setup started at $(sysup)"
-# setup of client root filesystem dependent on the availability of UnionFS
-if [ "x${union_type}" != "x" ] ; then
-  echo "Using ${union_type} for rw access"
-  mkdir -p ${rwdir}/union ${rwdir}/uniontmp /rorootfs
-  # adapting tempfs size of the device directory (takes /tmp in stage4)
-  mount -o remount,size=${tmpfssize} ${devdir} 
-  mount -n -t tmpfs -o size=${tmpfssize} none ${rwdir}/uniontmp
-  # hack for handling unionfs with patched run-init
-  mount -n --move /mnt /rorootfs
-  if [ "$union_type" == "UnionFS" ]; then
-    mount -n -t unionfs -o dirs=${rwdir}/uniontmp:/rorootfs=${nfsro}ro \
-      none /mnt
-  elif [ "$union_type" == "AUFS" ]; then
-    mount -n -t aufs -o br:/${rwdir}/uniontmp:/rorootfs=ro none /mnt
-  fi
-  mkdir -p /mnt/uniontmp
-  mount -n --move ${rwdir}/uniontmp /mnt/uniontmp
-  chmod 0755 /mnt/uniontmp /mnt
-  # running hardware disk/tmp setup now
-  hwautocfg disk &
-  # run ldconfig if switched on via kernel command line (token ldsc) or
-  # triggered by unionized root filesystem
-  ldcfg
-elif [ -z "${cowloop}" ] ; then
-  # fire up hardware disk/tmp setup first
-  hwautocfg disk &
-  echo "Using bind mounts to ramdisk for rw access"
-  mount -n -t tmpfs -o size=75% ramfs ${rwdir}
-  for path in ${D_BINDMPTS} ; do
-    mkdir -p ${rwdir}/${path} >/dev/null 2>&1
-    mount -n --bind ${rwdir}/${path} /mnt/${path}
-    [ ${DEBUGLEVEL} -gt 1 -a ${DEBUGLEVEL} != 8 ] && \
-      echo "Created ${rwdir}/${path} and mounted it to /mnt/$path"
-  done
-  # see above ...
-  ldcfg
-  # save the RO directories mentioned in the distro-specific
-  # config to a temporary directory. They will later on be restored
-  for path in ${D_RODIRSINRW}; do
-    if [ -d /mnt/${path} ] ; then
-      list="${path} ${list}"
-      # exclude them from etc copy process too
-      echo "${path}/*"|sed -e "s,/root/,,;s,^/,," >>/tmp/etc.exclude
-      mkdir -p /root/${path} >/dev/null 2>&1
-      mount -n --bind /mnt/${path} /root/${path} >/dev/null 2>&1
-    fi
-  done
-  for path in /etc/${D_SYSCONFDIR} ${D_DIRINBINDMNT} ${list}; do
-    mkdir -p ${rwdir}/${path}
-  done
-  testmkd ${rwdir}/var/tmp 1777
-  # exclude all sysv runlevel link stuff
-  for i in ${D_RCDIRS} ${D_INITBOOTD} ; do
-    echo "*$i/*" >>/tmp/etc.exclude
-  done
-  # add list of files to be excluded and common excludes to the filter list
-  echo -e "-\ndhcp*\n*~\n*.old\n*-\nxorg.conf*" >>/tmp/etc.exclude
-  # if ld.so.cache is to be generated then do not copy the file
-  [ -n "${ldsc}" ] && echo -e "ld.so.cache*" >>/tmp/etc.exclude
-  # for tar exclude lists might be used, more difficult for cp
-  cd /mnt
-  tar -X /tmp/etc.exclude -cp etc/*|tar -xp -C ${rwdir} 2>/dev/null
-  cd /
-  mount -n --bind ${rwdir}/etc /mnt/etc
-  mount -n --bind ${rwdir}/var /mnt/var
-  # get the "covered" mounts back into filesystem structure
-  for path in ${list}; do
-    mount -n --move /root/$path /mnt/$path #>>$LOGFILE 2>&1
-  done
-  #rm -rf /root/* >/dev/null 2>&1
-  # run some specific stuff !?
-fi
-
-runinithook '50-have-layered-fs'
-
-# generate a set of default directories
-. /etc/openslx.conf
-for dir in $OPENSLX_DEFAULT_LOGDIR $OPENSLX_DEFAULT_BINDIR \
-           $OPENSLX_DEFAULT_LIBDIR $OPENSLX_DEFAULT_VIRTDIR; do
-  testmkd /mnt/$dir
-done
-chmod -R 1777 /mnt/${OPENSLX_DEFAULT_LOGDIR}
-
-# script for stuff to execute during early bootup
-d_mkrlscript init boot.slx "Running configuration postponed from InitRamFS"
-echo "fs complete at $(sysup)" >/tmp/fscmpl
-# runtimer
-[ $DEBUGLEVEL -eq 8 -o $DEBUGLEVEL -eq 20 ] && \
-  echo "** Filesystem setup completed at $(sysup)"
-
-# write debug file information after filesystem setup completed
-echo -e "# /etc${D_SYSCONFDIR}/logfile - file created by $0 (initramfs \
-from $date)\n#\n# logfile \
-for linux diskless client specific debugging output\nLOGFILE=\"$LOGFILE\"\n#\
-\n# debug level\nDEBUGLEVEL=\"$DEBUGLEVEL\"" \
-  > /mnt/etc/${D_SYSCONFDIR}/logfile || error "$init_errlog"
-
-# run distribution independent and dependent configuration of files and
-# services (offer debug shell in runlevel 22)
-if [ ${DEBUGLEVEL} = 22 ] ; then
-  /bin/sh
-else
-  servconfig &
-fi
-
-for path in @@@COMDIRINDXS@@@ ${D_DIRINDXS} ${D_DIRINBINDMNT} ; do
-  testmkd /mnt/${path}
-done
-# Needed writable subdirs nested in readonly subdirs of writable one
-for path in ${D_RWDIRSINRO}; do
-  mount -n -t tmpfs none /mnt/${path}
-done
-for i in /var/run/utmp /var/log/wtmp /var/log/lastlog /etc/mtab ; do
-  echo -n > /mnt/$i
-done
-chown 65534:0 /mnt/var/lib/nobody
-# /proc/bus/usb might be deprecated in newer kernels ...
-echo -e "# /etc/fstab - file generated by $0 (initramfs from $date)\n#\
-\tOpenSLX Project, info@openslx.com\n\nrootfs\t\t/\t\trootfs\t\tro\t\t 0 0\n\
-proc\t\t/proc\t\tproc\t\tdefaults\t 0 0\ninitramdevs\t/dev\t\ttmpfs\
-\t\trw\t\t 0 0\ndevpts\t\t/dev/pts\tdevpts\t\tmode=0620,gid=5\t 0 0" \
-  >/mnt/etc/fstab || error "$init_fstab"
-echo -e "rootfs / rootfs rw 0 0\ninitramdevs /dev tmpfs rw\
- 0 0" > /mnt/etc/mtab
-
-# copy library cache if generated
-if [ -n "${ldsc}" ] ; then
-  # creating library cache takes a while ...
-  if waitfor /tmp/ldcfg 50000 ; then
-    test -s /mnt/tmp/ld.so.cache && \
-      mv /mnt/tmp/ld.so.cache /mnt/etc/ld.so.cache
-  else
-    error "$init_errldcfg"
-  fi
-else
-  [ $DEBUGLEVEL -gt 2 ] && error "$init_infldcfg" nonfatal
-fi
-
-runinithook '60-have-servconfig'
-
-# wait a while for hardware setup to complete and start cleanup procedure
-[ $DEBUGLEVEL -gt 1 ] && echo "Waiting for hwautocfg to finish ..."
-waitfor /tmp/hwcfg 20000 || error "$init_errhw"
-hwautocfg finish &
-
-# wait a while for services setup to complete
-[ $DEBUGLEVEL -gt 1 ] && echo "Waiting for servconfig to finish ..."
-waitfor /tmp/svcfg 10000 || error "$init_errsw"
-# IP configuration is complete and should not be updated automatically
-killall -9 udhcpc 2>/dev/null
-
-# if uniondirs is not set yet, maybe the unions were given via initramfs-setup
-if [ -z "$uniondirs" ]; then
-  if [ "$union_type" == "AUFS" ]; then
-    # does it contain "://"?
-    if [ "$aufs" != "${aufs#*://}" ]; then
-      uniondirs="$aufs"
-    fi
-  elif [ "$union_type" == "UnionFS" ]; then
-    # does it contain "://"?
-    if [ "$unionfs" != "${unionfs#*://}" ]; then
-      uniondirs="$unionfs"
-    fi
-  fi
-fi
-# if locations are given that should be unioned with the fs root, do it
-if [ -n "$uniondirs" ]; then
-  include_in_fsroot_union "$union_type" "$uniondirs"
-fi
-
-runinithook '70-before-plugins'
-
-# ddcinfo temporary overwrite (with kernel cmdline ddcinfo=1)
-if [ "${ddcinfo}" = "1" -a -f /initramfs/plugin-conf/xserver.conf ]; then
-  echo 'xserver_ddcinfo="1"' >> /initramfs/plugin-conf/xserver.conf
-fi
-
-# runtimer
-[ $DEBUGLEVEL -eq 8 -o $DEBUGLEVEL -eq 20 ] && \
-  echo "** Plugin configuration started at $(sysup)"
-
-# check for any plugin-specific runlevel scripts and run them, if found:
-if [ ${DEBUGLEVEL} = 25 ] ; then
-  /bin/sh
-else
-  if [ -d /etc/plugin-init.d ]; then
-    for plugin_starter in /etc/plugin-init.d/*.sh; do
-      if [ -e $plugin_starter ]; then
-        [ $DEBUGLEVEL -gt 0 ] \
-          && echo -n "Running plugin starter $plugin_starter ..."
-        [ $DEBUGLEVEL -eq 15 ] \
-          && sed '/^#!/ a\\set -x' -i $plugin_starter
-          init-wrapper $plugin_starter >>/tmp/plugin_starter 2>&1
-          if [ $? -eq 0 ]; then
-            [ $DEBUGLEVEL -gt 0 ] \
-            && echo " ok"
-          else
-            [ $DEBUGLEVEL -gt 0 ] \
-            && echo " failed"
-          fi
-      fi
-    done
-    # load variables defined by plugins to current environment
-    [ -f /tmp/env/wrapper.env ] && . /tmp/env/wrapper.env
-  fi
-fi
-
-runinithook '80-after-plugins'
-
-# runtimer
-[ $DEBUGLEVEL -eq 8 -o $DEBUGLEVEL -eq 20 ] && \
-  echo "** Plugin configuration finished at $(sysup)"
-
-# create links for initial stage4 boot scripts
-initial_boot
-
-runinithook '85-have-initial-boot'
-
-# post init for some distro specific stuff to run
-postinit
-# general postinit.local configurable by the admin via openslx/config/<system>
-[ -f /initramfs/postinit.local ] && {
-  [ $DEBUGLEVEL -gt 0 ] && \
-    echo -n "Running script /bin/postinit.local ... "
-  chmod u+x /initramfs/postinit.local
-  /initramfs/postinit.local
-  [ $DEBUGLEVEL -gt 0 ] && echo "ok"; }
-
-# start a debug shell in higher debug levels
-[ $DEBUGLEVEL -gt 2 -a $DEBUGLEVEL != 8 ] \
-  && echo "DEBUGLEVEL>2: starting debug-shell, exit with CTRL+D" && /bin/sh
-
-runinithook '90-postinit-done'
-
-# unmount the bind mounted modules, firmware directories and nfs /tmp/scratch
-# (if present)
-export ticks
-for ticks in 0 1 2 5 10 20 30; do
-  sleep $ticks && umount -n /lib/modules 2>/dev/null && break
-  error "$init_wait" nonfatal
-done
-for ticks in 0 1 2 5 10 20 30; do
-  sleep $ticks && umount -n /lib/firmware 2>/dev/null && break
-  error "$init_wait" nonfatal
-done
-mount 2>/dev/null | grep -q "/tmp/scratch type nfs" && \
-  for ticks in 0 1 2 5 10 20 30; do
-    sleep $ticks && umount -n /tmp/scratch 2>/dev/null && break
-  done
-
-mount 2>/dev/null | grep -q /lib/modules && error "$init_errumnt"
-# close runlevel script for stuff to execute during early bootup
-d_mkrlscript close boot.slx ""
-# put /tmp into stage4 mtab and add stuff to stage4 fstab
-sed -n "s,/mnt,,;/\/tmp /p" /proc/mounts >> /mnt/etc/mtab
-[ -f /tmp/fstab ] && cat /tmp/fstab >> /mnt/etc/fstab
-# preparations to leave initramfs - umounting ...
-umount -n /sys || error "$init_errsys" nonfatal
-umount -n /proc/bus/usb >/dev/null 2>&1
-chmod 1777 /dev/shm /mnt/tmp 2>/dev/null
-
-runinithook '95-cleanup'
-
-# kill hwautocfg, servconfig, hwinfo, syslogd, etc.
-killall -9 hwautocfg servconfig debugshell hwinfo syslogd logread 2>/dev/null
-
-# runtimer
-[ $DEBUGLEVEL -eq 8 -o $DEBUGLEVEL -eq 20 ] && \
-  echo "** SLX init ended near $(sysup)"
-# kill the watchdog (autopoweroff, if stage3 init never finishes)
-[ -f /tmp/watchdogpid ] && kill $(cat /tmp/watchdogpid) 2>/dev/null
-# stop logging services if required and move logfile into stage4 filesystem
-# (if exists)
-killall klogd 2>/dev/null
-[ -f /var/log/slx-boot.log ] && mv /var/log/slx-boot.log \
-  /mnt/var/log/slx-s3boot.log
-[ -f /var/log/messages ] && cp /var/log/messages \
-  /mnt/var/log/slx_messages 2>/dev/null
-# if no syslog plugin was configured, start the daemon again writing to no
-# logfile directly (useless fake test as placeholder) 
-# THIS IS NOT WORKING SOMEHOW!!
-#[ ! -d /mnt/opt/openslx/plugin-repo/syslog/ ] && syslogd -O /mnt/var/log/testfile
-
-# move /dev and unmount /proc and unset all old, unneeded environment
-# variables
-mount -n --move /dev /mnt/dev
-umount -n /proc
-unset client debug date initrd ip bldroot macaddr nwif nfsroot rootfs ticks \
-  vci vga
-unset BOOT_IMAGE KCMDLINE KERNEL MODPRV NWMODULES OLDPWD UDEVD_EVENT_TIMEOUT \
-  SLXVERSION UDEVD_EXPECTED_SEQNUM PATH
-
-runinithook '99-handing-over'
-
-# new style of pivoting (switch_root or run-init)
-exec /sbin/switch_root -c dev/console /mnt /sbin/init $DEBUG_UPSTART || \
-  error "$init_runinit"