#!/bin/bash
+#
+# Builds custom BootCD ISO and USB images in the current
+# directory.
+#
+# Aaron Klingaman <alk@absarokasoft.com>
+# Mark Huang <mlhuang@cs.princeton.edu>
+# Copyright (C) 2004-2007 The Trustees of Princeton University
+#
+
+COMMAND=$(basename $0)
+DIRNAME=$(dirname $0)
+PATH=/sbin:/bin:/usr/sbin:/usr/bin
+
+DEBUG_SYSTEMD=""
+# uncomment this on to get systemd's full log on console (slows things down)
+#DEBUG_SYSTEMD=true
+
+# defaults
+DEFAULT_TYPES="usb iso"
+# Leave 4 MB of free space
+GRAPHIC_CONSOLE="graphic"
+SERIAL_CONSOLE="ttyS0:115200:n:8"
+CONSOLE_INFO=$GRAPHIC_CONSOLE
+MKISOFS_OPTS="-R -J -r -f -b isolinux.bin -c boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table"
+FREE_SPACE=4096
+
+# command-line settable args
+NODE_CONFIGURATION_FILE=
+CUSTOM_DIR=
+OUTPUT_BASE=
+DRY_RUN=""
+OUTPUT_NAME=""
+TYPES=""
+KERNEL_ARGS=""
+
+# various globals
+BUILDTMP=""
+FULL_VERSION_STRING=""
+ISOREF=""
+ISOFS=""
+OVERLAY=""
+IS_SERIAL=""
+console_dev=""
+console_baud=""
+console_spec=""
+console_serial_line=""
+
+
+#################### compute all supported types
+# removing support for serial in the type
+# this is because kargs.txt goes in the overlay, that is computed only once
+# so we cannot handle serial and graphic modes within the same invokation of this script
+
+ALL_TYPES=""
+for x in iso usb usb_partition; do for c in "" "_cramfs" ; do
+ t="${x}${c}"
+ case $t in
+ usb_partition_cramfs)
+ # unsupported
+ ;;
+ *)
+ ALL_TYPES="$ALL_TYPES $t" ;;
+ esac
+done; done
+
+#################### cleanup utilities
+declare -a _CLEANUPS=()
+function do_cleanup() {
+ cd / ; for i in "${_CLEANUPS[@]}"; do $i ; done
+}
+function push_cleanup() {
+ _CLEANUPS=( "${_CLEANUPS[@]}" "$*" )
+}
+function pop_cleanup() {
+ unset _CLEANUPS[$((${#_CLEANUPS[@]} - 1))]
+}
-set -e
-
-BOOTCD_VERSION="3.0-beta0.3"
-FULL_VERSION_STRING="PlanetLab BootCD $BOOTCD_VERSION"
+#################### initialization
+function init_and_check () {
+
+ # Change to our source directory
+ local srcdir=$(cd $DIRNAME && pwd -P)
+ pushd $srcdir
+
+ # Root of the isofs
+ ISOREF=$PWD/${VARIANT}
+
+ # The reference image is expected to have been built by prep.sh (see .spec)
+ # we disable the initial logic that called prep.sh if that was not the case
+ # this is because prep.sh needs to know pldistro
+ if [ ! -f $ISOREF/isofs/bootcd.img -o ! -f $ISOREF/version.txt ] ; then
+ echo "Could not find isofs and version.txt in $ISOREF"
+ if [ "$VARIANT" == "build" ] ; then
+ echo "You have to run prep.sh prior to calling $COMMAND"
+ else
+ echo "You need to create your variant image, see kvariant.sh"
+ fi
+ echo "Exiting .."
+ exit 1
+ fi
-# which boot server to contact
-BOOTSERVER='boot.planet-lab.org'
+ # build/version.txt written by prep.sh
+ BOOTCD_VERSION=$(cat ${VARIANT}/version.txt)
-# and on which port (protocol will be https)
-BOOTSERVER_PORT='443'
+ if [ -f /etc/planetlab/plc_config ] ; then
+ # Source PLC configuration
+ . /etc/planetlab/plc_config
+ fi
-# finally, what path to request from the server
-BOOTSERVER_PATH='boot/'
+ # use /var/tmp that should be large enough on both chroot- or vserver-based myplc
+ BUILDTMP=/var/tmp
-SYSLINUX_SRC=sources/syslinux-2.11.tar.bz2
+ FULL_VERSION_STRING="${PLC_NAME} BootCD ${BOOTCD_VERSION}"
-ISO=cd.iso
+}
-CD_ROOT=`pwd`/cdroot
-ROOT_PASSWD='$1$IdEn2srw$/TfrjZSPUC1xP244YCuIi0'
+# NOTE
+# the custom-dir feature is designed to let a myplc try/ship a patched bootcd
+# without the need for a full devel environment
+# for example, you would create /root/custom-bootcd/etc/rc.d/init.d/pl_hwinit
+# and run this script with -C /root/custom-bootcd
+# this creates a third .img image of the custom dir, that 'hides' the files from
+# bootcd.img in the resulting unionfs
+# it seems that this feature has not been used nor tested in a long time, use with care
+
+usage() {
+ echo "Usage: $COMMAND [OPTION]..."
+ echo " -f plnode.txt Node to customize CD for (default: none)"
+ echo " -t 'types' Build the specified images (default: $DEFAULT_TYPES)"
+ echo " NOTE: mentioning 'serial' as part of the type is not supported anymore"
+ echo " -a Build all known types as listed below"
+ echo " -s console-info Enable a serial line as console and also bring up getty on that line"
+ echo " console-info: tty:baud-rate:parity:bits"
+ echo " or 'default' shortcut for $SERIAL_CONSOLE"
+ echo " -S equivalent to -s default"
+ echo " -O output-base The prefix of the generated files (default: PLC_NAME-BootCD-VERSION)"
+ echo " useful when multiple types are provided"
+ echo " can be a full path"
+ echo " -o output-name The full name of the generated file"
+ echo " -C custom-dir Custom directory"
+ echo " -V variant Use a variant - see kvariant.sh"
+ echo " -n Dry run - mostly for debug/test purposes"
+ echo " -k Add additional parameters to the kargs.txt file"
+ echo " -h This message"
+ echo "All known types: $ALL_TYPES"
+ exit 1
+}
-BOOTCD_YUM_GROUP=BootCD
+####################
+function parse_command_line () {
+
+ # init
+ TYPES=""
+ # Get options
+ while getopts "f:t:as:SO:o:C:V:k:nh" opt ; do
+ case $opt in
+ f) NODE_CONFIGURATION_FILE=$OPTARG ;;
+ t) TYPES="$TYPES $OPTARG" ;;
+ a) TYPES="$ALL_TYPES" ;;
+ s) CONSOLE_INFO="$OPTARG" ;;
+ S) CONSOLE_INFO=$SERIAL_CONSOLE ;;
+ O) OUTPUT_BASE="$OPTARG" ;;
+ o) OUTPUT_NAME="$OPTARG" ;;
+ C) CUSTOM_DIR="$OPTARG" ;;
+ V) VARIANT="$OPTARG" ;;
+ k) KERNEL_ARGS="$KERNEL_ARGS $OPTARG" ;;
+ n) DRY_RUN=true ;;
+ h|*) usage ;;
+ esac
+ done
-CDRECORD_FLAGS="-v -dao"
+ # use defaults if not set
+ [ -z "$TYPES" ] && TYPES="$DEFAULT_TYPES"
+ [ -z "$VARIANT" ] && VARIANT="build"
+ [ "$CONSOLE_INFO" == "default" ] && CONSOLE_INFO=$SERIAL_CONSOLE
+
+ if [ -n "$NODE_CONFIGURATION_FILE" ] ; then
+ # check existence of NODE_CONFIGURATION_FILE and normalize as we will change directory
+ if [ ! -f "$NODE_CONFIGURATION_FILE" ] ; then
+ echo "Node configuration file $NODE_CONFIGURATION_FILE not found - exiting"
+ exit 1
+ fi
+ cf_dir="$(dirname $NODE_CONFIGURATION_FILE)"
+ cf_dir="$(cd $cf_dir; pwd -P)"
+ cf_file="$(basename $NODE_CONFIGURATION_FILE)"
+ NODE_CONFIGURATION_FILE="$cf_dir"/"$cf_file"
+ fi
-CONF_FILES_DIR=conf_files/
+ # check TYPES
+ local matcher="XXX$(echo $ALL_TYPES | sed -e 's,\W,XXX,g')XXX"
+ for t in $TYPES; do
+ echo Checking type $t
+ echo $matcher | grep XXX${t}XXX &> /dev/null
+ if [ "$?" != 0 ] ; then
+ echo Unknown type $t
+ usage
+ fi
+ done
-# location of the uncompressed ramdisk image
-INITRD=$CD_ROOT/usr/isolinux/initrd
+}
-# temporary mount point for rd
-INITRD_MOUNT=`pwd`/rd
+####################
+function init_serial () {
+ local console=$1; shift
+ if [ "$console" == "$GRAPHIC_CONSOLE" ] ; then
+ IS_SERIAL=
+ console_spec=""
+ echo "Standard, graphic, non-serial mode"
+ else
+ IS_SERIAL=true
+ console_dev=$(echo "$console" | awk -F: ' {print $1}')
+ console_baud=$(echo "$console" | awk -F: ' {print $2}')
+ [ -z "$console_baud" ] && console_baud="115200"
+ local console_parity=$(echo "$console" | awk -F: ' {print $3}')
+ [ -z "$console_parity" ] && console_parity="n"
+ local console_bits=$(echo "$console" | awk -F: ' {print $4}')
+ [ -z "$console_bits" ] && console_bits="8"
+ console_spec="console=${console_dev},${console_baud}${console_parity}${console_bits}"
+ local tty_nb=$(echo $console_dev | sed -e 's,[a-zA-Z],,g')
+ console_serial_line="SERIAL ${tty_nb} ${console_baud}"
+ echo "Serial mode"
+ echo "console_serial_line=${console_serial_line}"
+ echo "console_spec=${console_spec}"
+ fi
+}
-# size of the ram disk in MB
-RAMDISK_SIZE=64
+#################### run once : build the overlay image
+function build_overlay () {
-# the bytes per inode ratio (the -i value in mkfs.ext2) for the ramdisk
-INITRD_BYTES_PER_INODE=1024
+ BUILDTMP=$(mktemp -d ${BUILDTMP}/bootcd.XXXXXX)
+ push_cleanup rm -fr "${BUILDTMP}"
+ mkdir "${BUILDTMP}/isofs"
+ for i in "$ISOREF"/isofs/{bootcd.img,kernel}; do
+ ln -s "$i" "${BUILDTMP}/isofs"
+ done
+ # the syslinux that comes with f12 has this file in a new location
+ cp "/usr/lib/syslinux/isolinux.bin" "${BUILDTMP}/isofs" \
+ || cp "/usr/share/syslinux/isolinux.bin" "${BUILDTMP}/isofs"
+ ISOFS="${BUILDTMP}/isofs"
+
+ # Root of the ISO and USB images
+ echo "* Populating root filesystem..."
+ OVERLAY="${BUILDTMP}/overlay"
+ install -d -m 755 $OVERLAY
+ push_cleanup rm -fr $OVERLAY
+
+ # Create version files
+ echo "* Creating version files"
+
+ # Boot Manager compares pl_version in both places to make sure that
+ # the right CD is mounted. We used to boot from an initrd and mount
+ # the CD on /usr. Now we just run everything out of the initrd.
+ for file in $OVERLAY/pl_version $OVERLAY/usr/isolinux/pl_version ; do
+ mkdir -p $(dirname $file)
+ echo "$FULL_VERSION_STRING" >$file
+ done
+ # Install boot server configuration files
+ echo "* Installing boot server configuration files"
+
+ # We always intended to bring up and support backup boot servers,
+ # but never got around to it. Just install the same parameters for
+ # both for now.
+ for dir in $OVERLAY/usr/boot $OVERLAY/usr/boot/backup ; do
+ install -D -m 644 $PLC_BOOT_CA_SSL_CRT $dir/cacert.pem
+ install -D -m 644 $PLC_ROOT_GPG_KEY_PUB $dir/pubring.gpg
+ echo "$PLC_BOOT_HOST" >$dir/boot_server
+ echo "$PLC_BOOT_SSL_PORT" >$dir/boot_server_port
+ echo "/boot/" >$dir/boot_server_path
+ done
-function build_cdroot()
-{
- if [ -f $CD_ROOT/.built ]; then
- echo "cd root already built, skipping"
- return
+ # Install old-style boot server configuration files
+ # as opposed to what a former comment suggested,
+ # this is still required, somewhere in the bootmanager apparently
+ install -D -m 644 $PLC_BOOT_CA_SSL_CRT $OVERLAY/usr/bootme/cacert/$PLC_BOOT_HOST/cacert.pem
+ echo "$FULL_VERSION_STRING" >$OVERLAY/usr/bootme/ID
+ echo "$PLC_BOOT_HOST" >$OVERLAY/usr/bootme/BOOTSERVER
+ echo "$PLC_BOOT_HOST" >$OVERLAY/usr/bootme/BOOTSERVER_IP
+ echo "$PLC_BOOT_SSL_PORT" >$OVERLAY/usr/bootme/BOOTPORT
+
+ # Generate /etc/issue
+ echo "* Generating /etc/issue"
+
+ if [ "$PLC_WWW_PORT" = "443" ] ; then
+ PLC_WWW_URL="https://$PLC_WWW_HOST/"
+ elif [ "$PLC_WWW_PORT" != "80" ] ; then
+ PLC_WWW_URL="http://$PLC_WWW_HOST:$PLC_WWW_PORT/"
+ else
+ PLC_WWW_URL="http://$PLC_WWW_HOST/"
fi
- clean
+ mkdir -p $OVERLAY/etc
+ cat >$OVERLAY/etc/issue <<EOF
+$FULL_VERSION_STRING
+$PLC_NAME Node: \n
+Kernel \r on an \m
+$PLC_WWW_URL
+
+This machine is a node in the $PLC_NAME distributed network. It has
+not fully booted yet. If you have cancelled the boot process at the
+request of $PLC_NAME Support, please follow the instructions provided
+to you. Otherwise, please contact $PLC_MAIL_SUPPORT_ADDRESS.
+
+Console login at this point is restricted to root. Provide the root
+password of the default $PLC_NAME Central administrator account at the
+time that this CD was created.
+
+EOF
- mkdir -p $CD_ROOT/dev/pts
- mkdir -p $CD_ROOT/proc
- mkdir -p $CD_ROOT/etc
-
- echo "copy fstab and mtab"
- cp -f $CONF_FILES_DIR/fstab $CD_ROOT/etc/
- cp -f $CONF_FILES_DIR/mtab $CD_ROOT/etc/
-
- echo "setup rpm to install only en_US locale and no docs"
- mkdir -p $CD_ROOT/etc/rpm
- cp -f $CONF_FILES_DIR/macros $CD_ROOT/etc/rpm
-
- echo "initialize rpm db"
- mkdir -p $CD_ROOT/var/lib/rpm
- rpm --root $CD_ROOT --initdb
-
- echo "install boot cd base rpms"
- yum -c yum.conf --installroot=$CD_ROOT -y groupinstall $BOOTCD_YUM_GROUP
-
- echo "removing unneccessary build files"
- (cd $CD_ROOT/lib/modules && \
- find ./ -type d -name build -maxdepth 2 -exec rm -rf {} \;)
-
- echo "setting up non-ssh authentication"
- mkdir -p $CD_ROOT/etc/samba
- chroot $CD_ROOT /usr/sbin/authconfig --nostart --kickstart \
- --enablemd5 --enableshadow
-
- echo "setting root password"
- sed -i "s#root::#root:$ROOT_PASSWD:#g" $CD_ROOT/etc/shadow
-
- echo "relocate some large directories out of the root system"
- # get /var/lib/rpm out, its 12mb. create in its place a
- # symbolic link to /usr/relocated/var/lib/rpm
- mkdir -p $CD_ROOT/usr/relocated/var/lib/
- mv $CD_ROOT/var/lib/rpm $CD_ROOT/usr/relocated/var/lib/
- (cd $CD_ROOT/var/lib && ln -s ../../usr/relocated/var/lib/rpm rpm)
-
- # get /lib/tls out
- mkdir -p $CD_ROOT/usr/relocated/lib
- mv $CD_ROOT/lib/tls $CD_ROOT/usr/relocated/lib/
- (cd $CD_ROOT/lib && ln -s ../usr/relocated/lib/tls tls)
-
- echo "extracting syslinux, copying isolinux files to cd"
- mkdir -p syslinux
- mkdir -p $CD_ROOT/usr/isolinux/
- tar -C syslinux -xjvf $SYSLINUX_SRC
- find syslinux -name isolinux.bin -exec cp -f {} $CD_ROOT/usr/isolinux/ \;
-
- echo "moving kernel to isolinux directory"
- KERNEL=$CD_ROOT/boot/vmlinuz-*
- mv -f $KERNEL $CD_ROOT/usr/isolinux/kernel
-
- echo "creating version files"
- echo "$FULL_VERSION_STRING" > $CD_ROOT/usr/isolinux/pl_version
- echo "$FULL_VERSION_STRING" > $CD_ROOT/pl_version
-
- touch $CD_ROOT/.built
-}
-
-function build_initrd()
-{
- echo "building initrd"
- rm -f $INITRD
- rm -f $INITRD.gz
-
- echo "copy fstab and mtab"
- cp -f $CONF_FILES_DIR/fstab $CD_ROOT/etc/
- cp -f $CONF_FILES_DIR/mtab $CD_ROOT/etc/
-
- echo "installing generic modprobe.conf"
- cp -f $CONF_FILES_DIR/modprobe.conf $CD_ROOT/etc/
-
- echo "installing our own inittab and init scripts"
- cp -f $CONF_FILES_DIR/inittab $CD_ROOT/etc
- init_scripts="pl_sysinit pl_hwinit pl_netinit pl_validateconf pl_boot"
- for script in $init_scripts; do
- cp -f $CONF_FILES_DIR/$script $CD_ROOT/etc/init.d/
- chmod +x $CD_ROOT/etc/init.d/$script
+ # Set root password
+ echo "* Setting root password"
+
+ if [ -z "$ROOT_PASSWORD" ] ; then
+ # Generate an encrypted password with crypt() if not defined
+ # in a static configuration.
+ ROOT_PASSWORD=$(python <<EOF
+import crypt, random, string
+salt = [random.choice(string.letters + string.digits + "./") for i in range(0,8)]
+print crypt.crypt('$PLC_ROOT_PASSWORD', '\$1\$' + "".join(salt) + '\$')
+EOF
+)
+ fi
+
+ # build/passwd copied out by prep.sh
+ sed -e "s@^root:[^:]*:\(.*\)@root:$ROOT_PASSWORD:\1@" ${VARIANT}/passwd >$OVERLAY/etc/passwd
+
+ # Install node configuration file (e.g., if node has no floppy disk or USB slot)
+ if [ -f "$NODE_CONFIGURATION_FILE" ] ; then
+ echo "* Installing node configuration file $NODE_CONFIGURATION_FILE -> /usr/boot/plnode.txt of the bootcd image"
+ install -D -m 644 $NODE_CONFIGURATION_FILE $OVERLAY/usr/boot/plnode.txt
+ NODE_ID=$(source $NODE_CONFIGURATION_FILE; echo $NODE_ID)
+ echo "* Building network configuration for $NODE_ID"
+ plnet -- --root $OVERLAY --files-only --program BootCD $NODE_ID
+ fi
+
+ [ -n "$IS_SERIAL" ] && KERNEL_ARGS="$KERNEL_ARGS ${console_spec}"
+
+ # tmp: should be restricted to f15 nodes and above
+ # making sure the network interfaces are still numbered eth0 and above
+ KERNEL_ARGS="$KERNEL_ARGS biosdevname=0"
+ # making sure selinux is turned off - somehow this is needed with lxc/f14
+ KERNEL_ARGS="$KERNEL_ARGS selinux=0"
+# cannot use this mecahnism to set systemd default target because this applies to kexec boots as well
+# # set default target for systemd
+# KERNEL_ARGS="$KERNEL_ARGS systemd.unit=pl_boot.target"
+ # output more systemd-related messages on the console
+ KERNEL_ARGS="$KERNEL_ARGS systemd.log_target=console"
+ # this slows down system init but is very helpful when e.g. trying to run on a new distro
+ [ -n "$DEBUG_SYSTEMD" ] && KERNEL_ARGS="$KERNEL_ARGS systemd.log_level=debug systemd.journald.forward_to_console=1"
+ [ -n "$KERNEL_ARGS" ] && echo "$KERNEL_ARGS" > $OVERLAY/kargs.txt
+
+ # Pack overlay files into a compressed archive
+ echo "* Compressing overlay image"
+ (cd $OVERLAY && find . | cpio --quiet -c -o) | gzip -9 >$ISOFS/overlay.img
+
+ rm -rf $OVERLAY
+ pop_cleanup
+
+ if [ -n "$CUSTOM_DIR" ]; then
+ echo "* Compressing custom image"
+ (cd "$CUSTOM_DIR" && find . | cpio --quiet -c -o) | gzip -9 >$ISOFS/custom.img
+ fi
+
+ # Calculate ramdisk size (total uncompressed size of both archives)
+ ramdisk_size=$(gzip -l $ISOFS/bootcd.img $ISOFS/overlay.img ${CUSTOM_DIR:+$ISOFS/custom.img} | tail -1 | awk '{ print $2; }') # bytes
+ ramdisk_size=$((($ramdisk_size + 1023) / 1024)) # kilobytes
+
+ echo "$FULL_VERSION_STRING" >$ISOFS/pl_version
+
+ popd
+}
+
+#################### plain ISO
+function build_iso() {
+ local iso="$1" ; shift
+ local custom="$1"
+
+ # Write isolinux configuration
+ cat >$ISOFS/isolinux.cfg <<EOF
+${console_serial_line}
+DEFAULT kernel
+APPEND ramdisk_size=$ramdisk_size initrd=bootcd.img,overlay.img${custom:+,custom.img} root=/dev/ram0 rw ${KERNEL_ARGS}
+DISPLAY pl_version
+PROMPT 0
+TIMEOUT 40
+EOF
+
+ # Create ISO image
+ echo "* Creating ISO image"
+ mkisofs -o "$iso" $MKISOFS_OPTS $ISOFS
+}
+
+#################### USB with partitions
+function build_usb_partition() {
+ echo -n "* Creating USB image with partitions..."
+ local usb="$1" ; shift
+ local custom="$1"
+
+ local size=$(($(du -Lsk $ISOFS | awk '{ print $1; }') + $FREE_SPACE))
+ size=$(( $size / 1024 ))
+
+ local heads=64
+ local sectors=32
+ local cylinders=$(( ($size*1024*2)/($heads*$sectors) ))
+ local offset=$(( $sectors*512 ))
+
+ if [ -f /usr/lib/syslinux/mkdiskimage ] ; then
+ /usr/lib/syslinux/mkdiskimage -M -4 "$usb" $size $heads $sectors
+ else
+ mkdiskimage -M -4 "$usb" $size $heads $sectors
+ fi
+
+ cat >${BUILDTMP}/mtools.conf<<EOF
+drive z:
+file="${usb}"
+cylinders=$cylinders
+heads=$heads
+sectors=$sectors
+offset=$offset
+mformat_only
+mtools_skip_check=1
+EOF
+ # environment variable for mtools
+ export MTOOLSRC="${BUILDTMP}/mtools.conf"
+
+ ### COPIED FROM build_usb() below!!!!
+ echo -n " populating USB image... "
+ mcopy -bsQ -i "$usb" "$ISOFS"/* z:/
+
+ # Use syslinux instead of isolinux to make the image bootable
+ tmp="${BUILDTMP}/syslinux.cfg"
+ cat >$tmp <<EOF
+${console_serial_line}
+DEFAULT kernel
+APPEND ramdisk_size=$ramdisk_size initrd=bootcd.img,overlay.img${custom:+,custom.img} root=/dev/ram0 rw ${KERNEL_ARGS}
+DISPLAY pl_version
+PROMPT 0
+TIMEOUT 40
+EOF
+ mdel -i "$usb" z:/isolinux.cfg 2>/dev/null || :
+ mcopy -i "$usb" "$tmp" z:/syslinux.cfg
+ rm -f "$tmp"
+ rm -f "${MTOOLSRC}"
+ unset MTOOLSRC
+
+ echo "making USB image bootable."
+ syslinux -o $offset "$usb"
+
+}
+
+#################### plain USB
+function build_usb() {
+ echo -n "* Creating USB image... "
+ local usb="$1" ; shift
+ local custom="$1"
+
+ rm -f "$usb"
+ mkfs.vfat -C "$usb" $(($(du -Lsk $ISOFS | awk '{ print $1; }') + $FREE_SPACE))
+
+ cat >${BUILDTMP}/mtools.conf<<EOF
+mtools_skip_check=1
+EOF
+ # environment variable for mtools
+ export MTOOLSRC="${BUILDTMP}/mtools.conf"
+
+ # Populate it
+ echo -n " populating USB image... "
+ mcopy -bsQ -i "$usb" "$ISOFS"/* ::/
+
+ # Use syslinux instead of isolinux to make the image bootable
+ tmp="${BUILDTMP}/syslinux.cfg"
+ cat >$tmp <<EOF
+${console_serial_line}
+DEFAULT kernel
+APPEND ramdisk_size=$ramdisk_size initrd=bootcd.img,overlay.img${custom:+,custom.img} root=/dev/ram0 rw ${KERNEL_ARGS}
+DISPLAY pl_version
+PROMPT 0
+TIMEOUT 40
+EOF
+ mdel -i "$usb" ::/isolinux.cfg 2>/dev/null || :
+ mcopy -i "$usb" "$tmp" ::/syslinux.cfg
+ rm -f "$tmp"
+ rm -f "${MTOOLSRC}"
+ unset MTOOLSRC
+
+ echo "making USB image bootable."
+ syslinux "$usb"
+}
+
+#################### utility to setup CRAMFS related support
+function prepare_cramfs() {
+ [ -n "$CRAMFS_PREPARED" ] && return 0
+ local custom=$1;
+
+ echo "* Setting up CRAMFS-based images"
+ local tmp="${BUILDTMP}/cramfs-tree"
+ mkdir -p "$tmp"
+ push_cleanup rm -rf $tmp
+ pushd $tmp
+ gzip -d -c $ISOFS/bootcd.img | cpio -diu
+ gzip -d -c $ISOFS/overlay.img | cpio -diu
+ [ -n "$custom" ] && \
+ gzip -d -c $ISOFS/custom.img | cpio -diu
+
+ # clean out unnecessary rpm lib
+ echo "* clearing var/lib/rpm/*"
+ rm -f var/lib/rpm/*
+
+ # bootcd requires this directory
+ mkdir -p mnt/confdevice
+
+ # relocate various directory to /tmp
+ rm -rf root
+ ln -fs /tmp/root root
+ ln -fs /sbin/init linuxrc
+ ln -fs /tmp/resolv.conf etc/resolv.conf
+ ln -fs /tmp/etc/mtab etc/mtab
+
+ # have pl_rsysinit copy over appropriate etc & var directories into /tmp/etc/
+ # make /tmp/etc
+ echo "* renaming dirs in ./etc"
+ pushd etc
+ for dir in `find * -type d -prune | grep -v rc.d`; do
+ mv ${dir} ${dir}_o
+ ln -fs /tmp/etc/${dir} ${dir}
done
+ popd
- echo "setup basic networking files"
- cp -f $CONF_FILES_DIR/hosts $CD_ROOT/etc/
-
- echo "copying sysctl.conf (fix tcp window scaling and broken routers)"
- cp -f $CONF_FILES_DIR/sysctl.conf $CD_ROOT/etc/
-
- echo "setup default network conf file"
- mkdir -p $CD_ROOT/usr/boot
- cp -f $CONF_FILES_DIR/default-net.cnf $CD_ROOT/usr/boot/
-
- echo "setup boot server configuration"
- cp -f $CONF_FILES_DIR/cacert.pem $CD_ROOT/usr/boot/
- cp -f $CONF_FILES_DIR/pubring.gpg $CD_ROOT/usr/boot/
- echo "$BOOTSERVER" > $CD_ROOT/usr/boot/boot_server
- echo "$BOOTSERVER_PORT" > $CD_ROOT/usr/boot/boot_server_port
- echo "$BOOTSERVER_PATH" > $CD_ROOT/usr/boot/boot_server_path
-
- echo "copying old boot cd directory bootme (TEMPORARY)"
- cp -r bootme_old $CD_ROOT/usr/bootme
-
- echo "forcing lvm to make lvm1 partitions (TEMPORARY)"
- cp -f $CONF_FILES_DIR/lvm.conf $CD_ROOT/etc/lvm/
-
- echo "copying isolinux configuration files"
- cp -f $CONF_FILES_DIR/isolinux.cfg $CD_ROOT/usr/isolinux/
- echo "$FULL_VERSION_STRING" > $CD_ROOT/usr/isolinux/message.txt
-
- echo "writing /etc/issue"
- echo "$FULL_VERSION_STRING" > $CD_ROOT/etc/issue
- echo "Kernel \r on an \m" >> $CD_ROOT/etc/issue
- echo "" >> $CD_ROOT/etc/issue
- echo "" >> $CD_ROOT/etc/issue
-
- echo "making the isolinux initrd kernel command line match rd size"
- let INITRD_SIZE_KB=$(($RAMDISK_SIZE * 1024))
- sed -i "s#ramdisk_size=0#ramdisk_size=$INITRD_SIZE_KB#g" \
- $CD_ROOT/usr/isolinux/isolinux.cfg
-
- echo "building pcitable for hardware detection"
- pci_map_file=`find $CD_ROOT/lib/modules/ -name modules.pcimap | head -1`
- module_dep_file=`find $CD_ROOT/lib/modules/ -name modules.dep | head -1`
- pci_table=$CD_ROOT/usr/share/hwdata/pcitable
- ./scripts/rewrite-pcitable.py $module_dep_file $pci_map_file $pci_table \
- $CD_ROOT/etc/pl_pcitable
-
- dd if=/dev/zero of=$INITRD bs=1M count=$RAMDISK_SIZE
- mkfs.ext2 -F -m 0 -i $INITRD_BYTES_PER_INODE $INITRD
- mkdir -p $INITRD_MOUNT
- mount -o loop,rw $INITRD $INITRD_MOUNT
-
- echo "copy all files except usr to ramdisk"
- pushd .
- cd $CD_ROOT
- find . -path ./usr -prune -o -print | cpio -p -d -u $INITRD_MOUNT
+ echo "* renaming dirs in ./var"
+ # rename all top-level directories and put in a symlink to /tmp/var
+ pushd var
+ for dir in `find * -type d -prune`; do
+ mv ${dir} ${dir}_o
+ ln -fs /tmp/var/${dir} ${dir}
+ done
popd
- umount $INITRD_MOUNT
- rmdir $INITRD_MOUNT
-
- echo "compressing ramdisk"
- gzip $INITRD
+ # overwrite fstab to mount / as cramfs and /tmp as tmpfs
+ echo "* Overwriting etc/fstab to use cramfs and tmpfs"
+ rm -f ./etc/fstab
+ cat >./etc/fstab <<EOF
+/dev/ram0 / cramfs ro 0 0
+none /dev/pts devpts gid=5,mode=620 0 0
+none /proc proc defaults 0 0
+none /sys sysfs defaults 0 0
+EOF
+
+ pushd dev
+ rm -f console
+ mknod console c 5 1
+ #for i in 0 1 2 3 4 5 6 7 8; do rm -f ram${i} ; done
+ #for i in 0 1 2 3 4 5 6 7 8; do mknod ram${i} b 1 ${i} ; done
+ #ln -fs ram1 ram
+ #ln -fs ram0 ramdisk
+ popd
+
+ # update etc/inittab to start with pl_rsysinit
+ for file in etc/inittab etc/event.d/rcS etc/init/rcS.conf; do
+ [ -f $file ] && sed -i 's,pl_sysinit,pl_rsysinit,' $file
+ done
+
+ # modify inittab to have a serial console
+ # xxx this might well be broken with f12 and above xxx
+ if [ -n "$serial" ] ; then
+ echo "T0:23:respawn:/sbin/agetty -L $console_dev $console_baud vt100" >> etc/inittab
+ # and let root log in
+ echo "$console_dev" >> etc/securetty
+ fi
+
+ # calculate the size of /tmp based on the size of /etc & /var + 8MB slack
+ etcsize=$(du -s ./etc | awk '{ print $1 }')
+ varsize=$(du -s ./var | awk '{ print $1 }')
+ let msize=($varsize+$etcsize+8192)/1024
+
+ # make dhclient happy
+ for i in $(seq 0 9); do ln -fs /tmp/etc/dhclient-eth${i}.conf etc/dhclient-eth${i}.conf ; done
+ ln -fs /tmp/etc/resolv.conf etc/resolv.conf
+ ln -fs /tmp/etc/resolv.conf.predhclient etc/resolv.conf.predhclient
+
+ # generate pl_rsysinit
+ cat > etc/rc.d/init.d/pl_rsysinit <<EOF
+#!/bin/sh
+# generated by $COMMAND
+echo -n "pl_rsysinit: preparing /etc and /var for pl_sysinit..."
+mount -t tmpfs -orw,size=${msize}M,mode=1777 tmpfs /tmp
+mkdir -p /tmp/root
+mkdir -p /tmp/etc
+touch /tmp/etc/resolv.conf
+touch /tmp/etc/mtab
+mkdir -p /tmp/var
+
+# make mtab happy
+echo "tmpfs /tmp tmpfs rw,size=${msize}M,mode=1777 1 1" > /tmp/etc/mtab
+
+# copy over directory contents of all _o directories from /etc and /var
+# /tmp/etc and /tmp/var
+pushd /etc
+for odir in \$(cd /etc && ls -d *_o); do dir=\$(echo \$odir | sed 's,\_o$,,'); (mkdir -p /tmp/etc/\$dir && cd \$odir && find . | cpio -p -d -u /tmp/etc/\$dir); done
+popd
+pushd /var
+for odir in \$(cd /var && ls -d *_o); do dir=\$(echo \$odir | sed 's,\_o$,,'); (mkdir -p /tmp/var/\$dir && cd \$odir && find . | cpio -p -d -u /tmp/var/\$dir); done
+popd
+
+echo "done"
+
+# hand over to pl_sysinit
+echo "pl_rsysinit: handing over to pl_sysinit"
+/etc/init.d/pl_sysinit
+EOF
+ chmod +x etc/rc.d/init.d/pl_rsysinit
+
+ popd
+
+ # create the cramfs image
+ echo "* Creating cramfs image"
+ mkfs.cramfs $tmp/ ${BUILDTMP}/cramfs.img
+ cramfs_size=$(($(du -sk ${BUILDTMP}/cramfs.img | awk '{ print $1; }') + 1))
+ rm -rf $tmp
+ pop_cleanup
}
-function build_iso()
-{
- echo "building iso"
- rm -f $ISO
- mkisofs -o $ISO -R -allow-leading-dots -J -r -b isolinux/isolinux.bin \
- -c isolinux/boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table \
- -V PlanetLab-3-0 $CD_ROOT/usr
+#################### Create ISO CRAMFS image
+function build_iso_cramfs() {
+ local iso="$1" ; shift
+ local custom="$1"
+
+ prepare_cramfs "$custom"
+ echo "* Creating ISO CRAMFS-based image"
+
+ local tmp="${BUILDTMP}/cramfs-iso"
+ mkdir -p "$tmp"
+ push_cleanup rm -rf $tmp
+ (cd $ISOFS && find . | grep -v "\.img$" | cpio -p -d -u $tmp/)
+ cat >$tmp/isolinux.cfg <<EOF
+${console_serial_line}
+DEFAULT kernel
+APPEND ramdisk_size=$cramfs_size initrd=cramfs.img root=/dev/ram0 ro ${KERNEL_ARGS}
+DISPLAY pl_version
+PROMPT 0
+TIMEOUT 40
+EOF
+
+ cp ${BUILDTMP}/cramfs.img $tmp
+ mkisofs -o "$iso" \
+ $MKISOFS_OPTS \
+ $tmp
+
+ rm -fr "$tmp"
+ pop_cleanup
}
-function burn()
-{
- cdrecord $CDRECORD_FLAGS -data $ISO
+#################### Create USB CRAMFS based image
+function build_usb_cramfs() {
+ local usb="$1" ; shift
+ local custom="$1"
+
+ prepare_cramfs "$custom"
+ echo "* Creating USB CRAMFS based image"
+
+ let vfat_size=${cramfs_size}+$FREE_SPACE
+
+ # Make VFAT filesystem for USB
+ mkfs.vfat -C "$usb" $vfat_size
+
+ # Populate it
+ echo "* Populating USB with overlay images and cramfs"
+ mcopy -bsQ -i "$usb" $ISOFS/kernel $ISOFS/pl_version ::/
+ mcopy -bsQ -i "$usb" ${BUILDTMP}/cramfs.img ::/
+
+ # Use syslinux instead of isolinux to make the image bootable
+ tmp="${BUILDTMP}/syslinux.cfg"
+ cat >$tmp <<EOF
+${console_serial_line}
+DEFAULT kernel
+APPEND ramdisk_size=$cramfs_size initrd=cramfs.img root=/dev/ram0 ro ${KERNEL_ARGS}
+DISPLAY pl_version
+PROMPT 0
+TIMEOUT 40
+EOF
+
+ mcopy -bsQ -i "$usb" "$tmp" ::/syslinux.cfg
+ rm -f "$tmp"
+
+ echo "* Making USB CRAMFS based image bootable"
+ syslinux "$usb"
}
-function clean()
-{
- echo "removing built files"
- rm -rf cdroot
- rm -rf syslinux
- rm -rf $INITRD_MOUNT
- rm -f $ISO
+#################### map on all types provided on the command-line and invoke one of the above functions
+function build_types () {
+
+ [ -z "$OUTPUT_BASE" ] && OUTPUT_BASE="$PLC_NAME-BootCD-$BOOTCD_VERSION"
+
+ # alter output filename to reflect serial settings
+ if [ -n "$IS_SERIAL" ] ; then
+ if [ "$CONSOLE_INFO" == "$SERIAL_CONSOLE" ] ; then
+ serial="-serial"
+ else
+ serial="-serial-$(echo $CONSOLE_INFO | sed -e 's,:,,g')"
+ fi
+ else
+ serial=""
+ fi
+
+ function type_to_name() {
+ echo $1 | sed '
+ s/usb$/.usb/;
+ s/usb_partition$/-partition.usb/;
+ s/iso$/.iso/;
+ s/usb_cramfs$/-cramfs.usb/;
+ s/iso_cramfs$/-cramfs.iso/;
+ '
+ }
+
+ for t in $TYPES; do
+ arg=$t
+
+ tname=`type_to_name $t`
+ # if -o is specified (as it has no default)
+ if [ -n "$OUTPUT_NAME" ] ; then
+ output=$OUTPUT_NAME
+ else
+ output="${OUTPUT_BASE}${serial}${tname}"
+ fi
+
+ echo "*** Dealing with type=$arg"
+ echo '*' build_$t "$output" "$CUSTOM_DIR"
+ [ -n "$DRY_RUN" ] || build_$t "$output" "$CUSTOM_DIR"
+ done
}
+####################
+function main () {
-if [ "$1" == "clean" ]; then
- clean
- exit
-fi
+ parse_command_line "$@"
-if [ "$1" == "burn" ]; then
- burn
- exit
-fi
+ init_and_check
-if [ "$1" == "force" ]; then
- clean
-fi
+ echo "* Building images for $FULL_VERSION_STRING"
+ # Do not tolerate errors
+ set -e
+ trap "do_cleanup" ERR INT EXIT
-# build base image via yum
-build_cdroot
+ init_serial $CONSOLE_INFO
+ build_overlay
+ build_types
-# always build/rebuild initrd
-build_initrd
+ exit 0
+}
-build_iso
+####################
+main "$@"