diff options
Diffstat (limited to 'initrd/mkdxsinitrd')
| -rwxr-xr-x | initrd/mkdxsinitrd | 102 |
1 files changed, 40 insertions, 62 deletions
diff --git a/initrd/mkdxsinitrd b/initrd/mkdxsinitrd index 9e7c0668..804b2bc2 100755 --- a/initrd/mkdxsinitrd +++ b/initrd/mkdxsinitrd @@ -3,13 +3,14 @@ # Description: universal (distro independent) generator for initial # ramdisks for linux diskless clients # -# Author(s): Dirk von Suchodoletz <dirk@goe.net>, 23-06-2006 +# Author(s): Dirk von Suchodoletz <dirk@goe.net>, 24-06-2006 # Nico Dietrich # Felix Endres # -# Version: 0.4.0a -# # Copyright: (c) 2003 - 2006 - RZ Universitaet Freiburg +# (c) 2006 - odlx.org project +# +# Version: 0.4.0a # debug level of script itself DEBUG=1 @@ -34,6 +35,8 @@ COMDIRINDXS="/tmp/scratch /var/lib/nobody" # D_RCDIRS - runlevel directories relative to /etc # D_HWMODTOIGNORE - +# just ensure that variables are set and the user gets an idea if +# something fails D_SYSCONFDIR="<set in ~/distro-config/distro file>" D_ETCEXCL="<set in ~/distro-config/distro file>" D_BINDMPTS="<set in ~/distro-config/distro file>" @@ -56,7 +59,8 @@ D_DEFAULTCOUNTRY="<set in ~/distro-config/distro file>" usage() { - echo -e "mkdxsinitrd [-gh] [-k Kernelversion] [-i Pfad] [-f Module] [-n Module] [-r Pfad] [-s Bildgröße]\n" + echo -e "mkdxsinitrd [-gh] [-k kernel version] [-i path/file] \ +[-f module(s)] [-n module(s)] [-r path] [-s splashsize]\n" echo "OPTIONEN" echo " -g Benutze glibc als Basisbibliothek in der ramdisk." echo " -h Zeige Informationen zur Benutzung." @@ -87,7 +91,7 @@ usage() exit 0 } -# replaces which to find executables inside ROOTDIR +# replaces which command to find executables inside ROOTDIR binfinder() { local PROGRAM="$1" @@ -113,7 +117,6 @@ if [ -z ${FPTB} ] ; then return 1; elif [ -L ${FPTB} ] ; then # do not copy the link but the binary the link points to - local LINKDEST=`ls -la ${FPTB} | sed -e "s,.* ,,"` case $LINKDEST in /*) FPTB=${ROOTDIR}${LINKDEST} @@ -125,7 +128,12 @@ else cp ${FPTB} ${INSTDIR}/${DEST} fi # get an idea which libraries are needed +# fixme: that might not work if executed on different architecture than +# client root is chroot ${ROOTDIR} ldd ${FPTB#${ROOTDIR}*} >> ${INSTDIR}/tmp/libraries +# possible solution: use the server binary, get library names and look +# them up manually - fixme: does ldd understand foreign architecture +# binaries } # replace copy @@ -154,41 +162,7 @@ else fi } -# this function incrementally concats and copies distro-specific functions, -# configuration variables and files copy_distro_stuff() { -# Konzept geaendert!!! -#Konzept der Konfiguration mittels -#functions-* und config-* zu veraendert: Es gibt eine Default-Konfig, die -#dann von der jeweiligen Version angepasst wird - Ketten von sowas wie -#config-9.3 wird von config-10.0 wird von config-10.1 ueberschrieben usw. -#soll durch einfaches config-default -> config-9.3, ... -> config-10.0 -#... abgeloest werden. Das erlaubt langfristig auch dafuer zu sorgen, dass -#im config-def alles Wesentliche bezogen auf die aktuellsten Version drin -#ist. - -# # first insert dependencies -# case $1 in -# suse) -# case $2 in -# 9.3) -# ;; -# 10.0) -# copy_distro_stuff suse 9.3 -# ;; -# 10.1) -# copy_distro_stuff suse 10.0 -# ;; -# esac -# ;; -# debian) -# ;; -# ubuntu) -# ;; -# gentoo) -# ;; -# esac - # copy first the default distro dependent configuration (variables) and # function files, then append to each the distro/version specific file # variables, functions set in default might that way be overwritten by @@ -206,7 +180,8 @@ copy_distro_stuff() { -regex ".*/\..*" -exec rm -rf {} 2>/dev/null \; } -# This function makes the directory of this script to the present working directory +# This function makes the directory of this script to the present working +# directory # It is called within precheck() # Does also work when called by symbolic links (even for nested links). goto_script_dir() @@ -280,7 +255,7 @@ while getopts :hgk:i:r:o:s:f:n:Sut:d:v:I:V:a: a ; do I) NET_IF=$OPTARG;; # Not in use a) acpi_dsdt="$OPTARG";; # Not in use S) use_selinux=1;; # Not in use - l) local_init_script="$OPTARG";; # Not in use + l) local_init_script="$OPTARG";; # use for pre/postinit.local? u) sysfs_root=1 # Not in use use_udev= ;; @@ -296,15 +271,16 @@ shift $(expr $OPTIND - 1) #Change to the directory this script is located in goto_script_dir +# set temporary setup directory, clean it and setup basic directory +# structure if [ -z "$INSTDIR" ] ; then INSTDIR=/tmp/dxs-instrd fi - rm -rf ${INSTDIR} mkdir -p ${INSTDIR}/{dev,proc,tmp,mnt,root,bin,sys,lib} ln -s /bin ${INSTDIR}/sbin mkdir -p ${INSTDIR}/usr/share -# needed for KNOPPIX hwsetup not to confuse with ${D_SYSCONFDIR} +# needed for KNOPPIX hwsetup tool not to be confused with ${D_SYSCONFDIR} mkdir -p ${INSTDIR}/etc/sysconfig # if still no distro name set, try to find it using significant files @@ -330,6 +306,7 @@ specify\nas command line argument (-d <distro-name> -v <distro-version>)" fi fi +# unify the description of distribution and its version case "${DISTRO}" in Debian*|debian*|Sarge*|sarge*) DISTRO=debian @@ -363,8 +340,6 @@ case "${DISTRO}" in case "${DISTRO_VER}" in 9*) DISTRO_VER=9.3 - # might be needed for older udev/hotplug - # cp -a ${ROOTDIR}/etc/hotplug* ${INSTDIR}/etc ;; 10.0) DISTRO_VER=10.0 @@ -373,17 +348,17 @@ case "${DISTRO}" in DISTRO_VER=10.1 ;; esac - - #cp -a /etc/sysconfig/{hardware,network} ${INSTDIR}/etc/sysconfig ;; esac +# ast this point ${DISTRO} ${DISTRO_VER} should be fixed +copy_distro_stuff ${DISTRO} ${DISTRO_VER} -# hotplug/udev style and stuff +# hotplug/udev type and related stuff cp -a ${ROOTDIR}/etc/udev ${INSTDIR}/etc -# an dieser stelle sollte jetzt sichergestellt sein, dass sowohl DISTRO als auch DISTRO_VER eindeutig gesetzt sind! - -copy_distro_stuff ${DISTRO} ${DISTRO_VER} +# binary and corresponding library copies could be avoided if a small +# initial ramdisk environment of its own is generated from busybox, +# dietlibc and similar, see odlx project page ... # devices needed rather early (copied from /tmp to /dev in init) mknod ${INSTDIR}/tmp/console c 5 1 &>/dev/null @@ -391,7 +366,7 @@ mknod ${INSTDIR}/tmp/null c 1 3 &>/dev/null mknod ${INSTDIR}/tmp/kmsg c 1 11 &>/dev/null mknod ${INSTDIR}/tmp/ctl b 241 255 &>/dev/null -#if no klibc - klibc shell seems not to have enough functionality :-( +# find and copy a shell to be used within initialramfs for bbins in bash ash sh; do if cobi ${bbins} bin ; then ln -fs ${bbins} ${INSTDIR}/bin/sh @@ -400,7 +375,7 @@ for bbins in bash ash sh; do else echo "Binary not found (${bbins})"; fi done -# if no klibc +# find and copy ip setup binaries for bbins in ip ifconfig; do if cobi ${bbins} bin ; then [ "${bbins}" = "ifconfig" ] && cobi route bin @@ -408,7 +383,7 @@ for bbins in ip ifconfig; do else echo "Binary not found"; fi done -# needed standard binaries +# needed standard binaries (in init, servconfig, hwautocfg, ... scripts) for bbins in \ cat chmod chown chroot cp expr fdisk killall ln ls mkdir mkfs.ext2 \ modprobe mount portmap rmmod sed sort rm tar umount @@ -425,14 +400,14 @@ mkdir -p ${INSTDIR}/var/{lib,run} # tftp client binary for configuration via file - get machine-setup per # tftp from dhcp (or specified other) server -## irgendwann mal nur konditional ... +#fixme: irgendwann mal nur konditional ... for tftp in atftp tftp ; do binfinder $tftp && break done cobi $tftp bin cp /lib/libnss_files.so.2 ${INSTDIR}/lib -# debug binaries +# binaries useful for debugging purposes if [ $IRFSDEBUG -gt 2 ] ; then for bbins in \ date lsmod lsof ps strace time @@ -441,16 +416,16 @@ if [ $IRFSDEBUG -gt 2 ] ; then done fi -# style of hotplug/udev/dev (for etc directories see above!!) +# type of hotplug/udev/dev (for etc directories see above!!) for bbins in udev udevd udevstart udevtrigger udevsend do cobi ${bbins} bin &>/dev/null || echo "Program ${bbins} not found" done -# if nfs +# if nfs is used as clients root filesystem mkdir -p ${INSTDIR}/var/lib/nfs/state -# if nbd or dnbd +# if nbd or dnbd is used as clients root filesystem if [ -n "${FSMODULES}" ] ; then for i in ${FSMODULES}; do case "$i" in @@ -465,10 +440,12 @@ done fi # if unionfs -cobi unionctl bin &>/dev/null || echo "Program unionctl not found" +cobi unionctl bin &>/dev/null || \ + echo "Program unionctl not found; could be ignored ..." # if cowloop -cobi cowdev bin &>/dev/null || echo "Program cowdev not found" +cobi cowdev bin &>/dev/null || \ + echo "Program cowdev not found; could be ignored ..." # distro specific additional stuff @@ -480,6 +457,7 @@ esac # add needed libraries depending on choosen binaries. use chroot # on ldd, otherwise the detection does not work properly. ldd has to be # static linked binary +# fixme: procedure might have to be changed for lib in `cat ${INSTDIR}/tmp/libraries 2>/dev/null | \ sed -e "s,tls,,;s,i686/cmov,," \ -ne 's:\t\(.* => \)\?\(/.*\) (0x[0-9a-f]*):\2:p' | sort -u` ; do |