mkudvdプログラムリスト
- 2009/02/10 Ver 0.06
- 2009/02/13 Ver 0.07
- オリジナルCDからのファイルのコピーを最適化し、作業時間を短縮する。
- mkudvd：カスタムISOファイル作成用のシェルスクリプト
#! /bin/bash # Custom Ubuntu Live DVD maker # mkudvd Ver 0.07 (2009/02/13) # Copyright (C) 2009 Adsaria # This program is free software; you can redistribute it and/or modify it. # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY. DEBUG= if [ ${DEBUG} ]; then set -x; fi ################################################################################ # Parameter Settings WORKING_DIR=/livedvd ORIGINAL_CD_ISO="${WORKING_DIR}/ubuntu-8.04.2-desktop-i386.iso" EXTENSION=custom CUSTOM_DVD_ISO="${WORKING_DIR}/"`basename "${ORIGINAL_CD_ISO}" .iso`-${EXTENSION}.iso TEMPLATE_ROOT="${WORKING_DIR}/filesystem" MISC_FILES="${WORKING_DIR}/misc" DVD_FILES="${WORKING_DIR}/live_dvd_files" FS_TYPE=squashfs # FS_TYPE=ext2 REMOVE_999_ACCOUNT=1 ################################################################################ # Check base files if [ ! -e "${TEMPLATE_ROOT}/vmlinuz" ]; then echo "Template root file system is not found." exit 1 fi if [ ! -f "${ORIGINAL_CD_ISO}" ]; then echo "Ubuntu original CD iso file is not found." exit 1 fi ################################################################################ # Check utilities if [ ! -x /usr/bin/mksquashfs ]; then echo "It seems package \"squashfs-tools\" have not been installed." exit 1 fi if [ ! -x /usr/bin/genisoimage ]; then echo "It seems package \"genisoimage\" have not been installed." exit 1 fi ################################################################################ echo "Copying original CD files" if [ ! -d "${DVD_FILES}" ]; then rm -rf "${DVD_FILES}" mkdir -p "${DVD_FILES}" fi rm -rf "${WORKING_DIR}/mnt"; mkdir "${WORKING_DIR}/mnt" mount -t iso9660 -o loop,ro "${ORIGINAL_CD_ISO}" "${WORKING_DIR}/mnt" rsync -ax --delete --exclude='filesystem.squashfs' \ "${WORKING_DIR}/mnt/" "${DVD_FILES}/" umount "${WORKING_DIR}/mnt"; rm -rf "${WORKING_DIR}/mnt" ################################################################################ echo "Modifying boot menu parameter" sed -i \ -e 's/^timeout .*$/timeout 50/' \ "${DVD_FILES}/isolinux/isolinux.cfg" ################################################################################ echo "Triming base filesystem" ### Changing root password character sed -i -e 's/^root:!:/root:*:/' "${TEMPLATE_ROOT}/etc/shadow" ### Removing trouble-making files if [ -e "${TEMPLATE_ROOT}/etc/blkid.tab" ]; then rm -rf "${TEMPLATE_ROOT}/etc/blkid.tab"* fi if [ -e "${TEMPLATE_ROOT}/etc/resolv.conf" ]; then rm -rf "${TEMPLATE_ROOT}/etc/resolv.conf" fi echo "# UNCONFIGURED FSTAB FOR BASE SYSTEM" \ > "${TEMPLATE_ROOT}/etc/fstab" rm -rf "${TEMPLATE_ROOT}/etc/nologin" ln -s "/var/lib/initscripts/nologin" "${TEMPLATE_ROOT}/etc/nologin" rm -rf "${TEMPLATE_ROOT}/etc/mtab" ### Removing garbage files rm -rf "${TEMPLATE_ROOT}/tmp/".[^.]* rm -rf "${TEMPLATE_ROOT}/tmp/".??* rm -rf "${TEMPLATE_ROOT}/tmp/"* rm -rf "${TEMPLATE_ROOT}/var/log/Xorg.0.log" rm -rf "${TEMPLATE_ROOT}/var/log/gdm/:0.log" rm -rf "${TEMPLATE_ROOT}/var/log/tomcat6/"* if [ ${DEBUG} ]; then FIND_OPT="-print" ; fi find "${TEMPLATE_ROOT}/var/log/" -type f -name \*.gz ${FIND_OPT} -exec rm -f '{}' \; find "${TEMPLATE_ROOT}/var/log/" -type f -name \*.\[0-9\] ${FIND_OPT} -exec rm -f '{}' \; find "${TEMPLATE_ROOT}/var/log/" -type f -name \*old ${FIND_OPT} -exec rm -f '{}' \; find "${TEMPLATE_ROOT}/var/log/" -type f ${FIND_OPT} -exec cp -f /dev/null '{}' \; REMOVE_LIST=" \ .bash_history \ .cache \ .esd_auth \ .fontconfig \ .gtk-bookmarks \ .gvfs \ .ICEauthority \ .local \ .nautilus \ .pulse \ .pulse-cookie \ .recently-used.xbel \ .ssh \ .sudo_as_admin_successful \ .update-notifier \ .Xauthority \ .xsession-errors \ " if [ -d "${TEMPLATE_ROOT}/root" ]; then echo "Cleaning root directory up...." ( cd "${TEMPLATE_ROOT}/root"; rm -rf ${REMOVE_LIST} ) fi if [ -d "${TEMPLATE_ROOT}/home/ubuntu" ]; then ( echo "Cleaning ubuntu directory up...." cd "${TEMPLATE_ROOT}/home/ubuntu" rm -rf ${REMOVE_LIST} if [ ! -f "${MISC_FILES}/ubuntu_home.cpio.gz" ]; then echo "Backing ubuntu home up...." touch .mark ; chown `stat -c "%u:%g" .` .mark find . | cpio -o -H newc --quiet | gzip > "${MISC_FILES}/ubuntu_home.cpio.gz" fi ) fi ### # remove pre-configured user account, ubuntu if [ ${REMOVE_999_ACCOUNT} ]; then echo "Removing ubuntu account and home...." (chroot "${TEMPLATE_ROOT}" userdel -f -r ubuntu ) &> /dev/null rm -rf "${TEMPLATE_ROOT}/home/ubuntu/" (chroot "${TEMPLATE_ROOT}" groupdel ubuntu ) &> /dev/null if [ -f "${TEMPLATE_ROOT}/etc/gdm/gdm.conf" ]; then sed -i \ -e "s/^AutomaticLoginEnable=.*\$/AutomaticLoginEnable=false/" \ -e "s/^AutomaticLogin=.*\$/AutomaticLogin=/" \ -e "s/^TimedLoginEnable=.*\$/TimedLoginEnable=false/" \ -e "s/^TimedLogin=.*\$/TimedLogin=/" \ -e "s/^TimedLoginDelay=.*\$/TimedLoginDelay=/" \ "${TEMPLATE_ROOT}/etc/gdm/gdm.conf" fi fi ################################################################################ # Triming casper for maitainance works if [ -f "${TEMPLATE_ROOT}/etc/init.d/casper" ]; then echo "Modifying /etc/init.d/casper ...." sed -i \ -e 's/TIMEOUT 86400/TIMEOUT 5/' \ -e '/^[ ]*read x /s/^ /#/' \ "${TEMPLATE_ROOT}/etc/init.d/casper" fi ################################################################################ echo "Modifying initrd and copy initrd and kernel" INITRD_ROOT="${WORKING_DIR}/initrd" rm -rf "${WORKING_DIR}/initrd.img" rm -rf "${INITRD_ROOT}"; mkdir "${INITRD_ROOT}" ( cd "${INITRD_ROOT}" gzip -dc "${TEMPLATE_ROOT}/initrd.img" | cpio -i --quiet # Casper can not handle lvm device properly, then modify casper script # But modifying just initrd script, not usr/share/initramfs-tools/scripts/casper sed -i -e 's/(loop|ram|fd)/(loop|ram|fd|dm-)/' \ "${INITRD_ROOT}/scripts/casper" # Change ubuntu default password to "ubuntu", from "\n" sed -i -e 's/U6aMy0wojraho/kBzYzm5JjWKPA/' \ "${INITRD_ROOT}/scripts/casper-bottom/10adduser" # Replace set_hostname script if [ -f "${MISC_FILES}/18hostname" ]; then cp -f "${MISC_FILES}/18hostname" \ "${INITRD_ROOT}/scripts/casper-bottom/" fi # Copy add_ubuntu_home_directory script if [ -f "${MISC_FILES}/11adduserhome" ]; then cp "${MISC_FILES}/11adduserhome" \ "${INITRD_ROOT}/scripts/casper-bottom/" fi # Copy server setup scripts cp -f "${MISC_FILES}/"6[0-9]* "${INITRD_ROOT}/scripts/casper-bottom/" # Copy ubuntu home directory archive, if exist if [ -f "${MISC_FILES}/ubuntu_home.cpio.gz" ]; then mkdir -p "${INITRD_ROOT}/var/backups" cp -f "${MISC_FILES}/ubuntu_home.cpio.gz" \ "${INITRD_ROOT}/var/backups/" fi find . | cpio -o --quiet -H newc | gzip > "${WORKING_DIR}/initrd.img" ) cp -f "${WORKING_DIR}/initrd.img" "${DVD_FILES}/casper/initrd.gz" rm -rf "${WORKING_DIR}/initrd.img" rm -rf "${INITRD_ROOT}" cp -f "${TEMPLATE_ROOT}/vmlinuz" "${DVD_FILES}/casper/vmlinuz" ################################################################################ echo "Creating filesystem image" SQUASH_FILE="${DVD_FILES}/casper/filesystem.squashfs" EXT2_FILE="${DVD_FILES}/casper/filesystem.ext2" rm -rf "${SQUASH_FILE}" "${EXT2_FILE}" case "${FS_TYPE}" in squashfs|squash) FS_FILE="${SQUASH_FILE}" mksquashfs "${TEMPLATE_ROOT}" "${SQUASH_FILE}" ;; ext2|ext) FS_FILE="${EXT2_FILE}" FS_SIZE=`du -s "${TEMPLATE_ROOT}/" | awk '{print $1}'` FS_SIZE=`expr "${FS_SIZE}" + "${FS_SIZE}" / 20` dd if=/dev/zero of="${EXT2_FILE}" bs="${FS_SIZE}" count=1024 2>/dev/null mkfs -F -q -t ext2 "${EXT2_FILE}" rm -rf mnt ; mkdir mnt mount -o loop "${EXT2_FILE}" mnt rsync -ax "${TEMPLATE_ROOT}/" mnt/ umount mnt rm -rf mnt ;; *) echo "Filesystem Type is incorrect." echo "exit." exit 1 ;; esac chmod 444 "${FS_FILE}" MANIFEST_1="${DVD_FILES}/casper/filesystem.manifest" MANIFEST_2="${DVD_FILES}/casper/filesystem.manifest-desktop" ORIGINAL_DIFFS=` \ diff "${MANIFEST_1}" "${MANIFEST_2}" | \ sed -e '/^[^<]/d' -e 's/^< //' -e 's/ .*//' \ ` rm -rf "${MANIFEST_1}" rm -rf "${MANIFEST_2}" dpkg-query -W --showformat='${Package} ${Version}\n' \ --admindir="${TEMPLATE_ROOT}/var/lib/dpkg/" \ > "${MANIFEST_1}" cp -f "${MANIFEST_1}" "${MANIFEST_2}" for REMOVE_PKG in ${ORIGINAL_DIFFS}; do sed -i -e "/^${REMOVE_PKG} /d" "${MANIFEST_2}" done chmod 444 "${MANIFEST_1}" chmod 444 "${MANIFEST_2}" ################################################################################ echo "Making md5 check file" touch "${DVD_FILES}/CUSTOM" ( cd "${DVD_FILES}" rm -f md5sum.txt find . -xdev -path ./isolinux -prune -o -type f -print0 \ | xargs -0 md5sum \ | sort -k 2 > ../md5sum.txt mv ../md5sum.txt . ) ################################################################################ echo "Generating custom DVD iso image" rm -f "${CUSTOM_DVD_ISO}" genisoimage -quiet -J -R -D -V "CUSTOM_LIVE_DVD" \ -o "${CUSTOM_DVD_ISO}" -b isolinux/isolinux.bin -c isolinux/boot.cat \ -no-emul-boot -boot-load-size 4 -boot-info-table \ "${DVD_FILES}" 2> /dev/null ################################################################################ echo "Done." exit 0
#!/bin/sh PREREQ="" DESCRIPTION="Adding live session user home directory..." . /scripts/casper-functions prereqs() { echo "$PREREQ" } case $1 in # get pre-requisites prereqs) prereqs exit 0 ;; esac log_begin_msg "$DESCRIPTION" if [ -f /var/backups/ubuntu_home.cpio.gz ]; then if [ -d /root/home/ubuntu ]; then ( cd /root/home/ubuntu rm -rf .home_template ; mkdir .home_template cd .home_template gzip -dc /var/backups/ubuntu_home.cpio.gz | cpio -i cp -a ..?* .[^.]* * .. cd .. rm -rf .home_template ) fi fi log_end_msg
initrd管用のcpioが“-u”オプションを使えないので、少々回りくどい処理をしている。
- 18hostname：DHCPサーバからホスト名等を取得し設定する。
#! /bin/sh PREREQ="" DESCRIPTION="Setting hostname..." . /scripts/casper-functions prereqs() { echo "$PREREQ" } case $1 in # get pre-requisites prereqs) prereqs exit 0 ;; esac log_begin_msg "$DESCRIPTION" NETCONFIG=/netboot.config ADDR=127.0.1.1 DOMAIN= if [ -f $NETCONFIG ]; then NET_HOST=$(grep '^ host :' $NETCONFIG | cut -f6 -d ' ' ) if [ ! -z "$NET_HOST" ]; then HOST=$NET_HOST; fi export HOST NET_DOMN=$(grep '^ domain :' $NETCONFIG | cut -f4 -d ' ' ) if [ ! -z "$NET_DOMN" ]; then DOMAIN=$NET_DOMN; fi NET_ADDR=$(grep '^ address:' $NETCONFIG | cut -f3 -d ' ' ) if [ ! -z "$NET_ADDR" ]; then ADDR=$NET_ADDR; fi fi echo "$HOST" > /root/etc/hostname cat > /root/etc/hosts <<EOF 127.0.0.1 localhost $ADDR $HOST $HOST.$DOMAIN # The following lines are desirable for IPv6 capable hosts ::1 ip6-localhost ip6-loopback fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters ff02::3 ip6-allhosts EOF hostname "$HOST" log_end_msg
- 60setupnfs：/etc/exportsに変更を加え/tmpをネットワークからマウントできるようにしている。
#!/bin/sh PREREQ="" DESCRIPTION="Setting up NFS configuration..." . /scripts/casper-functions prereqs() { echo "$PREREQ" } case $1 in # get pre-requisites prereqs) prereqs exit 0 ;; esac log_begin_msg "$DESCRIPTION" if [ -f /root/etc/exports ]; then echo '/tmp *(rw,all_squash,no_subtree_check,fsid=0)' >> /root/etc/exports fi log_end_msg
- 61setupsmb：/etc/samba/smb.confに変更を加えて/tmpを共有できる様にしている。
#!/bin/sh PREREQ="" DESCRIPTION="Setting up Samba configuration..." . /scripts/casper-functions prereqs() { echo "$PREREQ" } case $1 in # get pre-requisites prereqs) prereqs exit 0 ;; esac log_begin_msg "$DESCRIPTION" if [ -f /root/etc/samba/smb.conf ]; then cat >> /root/etc/samba/smb.conf << EOF [tmp] comment = /tmp path = /tmp browseable = no writable = yes guest ok = yes EOF fi log_end_msg
- 62setupntp：/etc/ntp.confを変更する。
#!/bin/sh PREREQ="" DESCRIPTION="Setting up NTP configuration..." . /scripts/casper-functions prereqs() { echo "$PREREQ" } case $1 in # get pre-requisites prereqs) prereqs exit 0 ;; esac log_begin_msg "$DESCRIPTION" if [ -f /root/etc/ntp.conf ]; then sed -i -e 's/^server ntp.ubuntu.com/#server ntp.ubuntu.com\ server 255.255.255.255\ server 255.255.255.255/' /root/etc/ntp.conf fi log_end_msg
プログラム中の“255.255.255.255”の部分は自分が使っているプロバイダのNTPサーバ、もしくは国内の公共NTPサーバのIPアドレスにする。ただ、このスクリプトは特に必要ないかも。/etc/ntp.confに変更を加えなくても“ntp.ubuntu.com”というNTPサーバを使うような設定になっている。
- 63setupbind：/etc/bind/named.conf.optionsに変更を加えてBINDをフォワーダーとして起動する。
#!/bin/sh PREREQ="" DESCRIPTION="Setting up BIND configuration..." . /scripts/casper-functions prereqs() { echo "$PREREQ" } case $1 in # get pre-requisites prereqs) prereqs exit 0 ;; esac log_begin_msg "$DESCRIPTION" if [ -f /root/etc/bind/named.conf.options ]; then sed -i \ -e '/^[\t ]*\/\/[\t ]*0\.0\.0\.0;/,/^[\t ]*\/\/[\t ]*};/d' \ -e 's/^[\t ]*\/\/ forwarders {/ forwarders { 255.255.255.255; };/' \ /root/etc/bind/named.conf.options fi log_end_msg
プログラム中の“255.255.255.255”の部分は自分が利用しいるプロバイダのDNSサーバのIPアドレスに変更する。詳しくは“最小限の設定でDNSを使う”を参照。
