branches/mlivecdbuild-1_x_branch/mlivecdbuild2.sh

#!/bin/bash

# some default settings - gets overidden with the profile config
CDPROFILE="$2"
[[ -z ${CDPROFILE} ]] && CDPROFILE="default"
LIVECDROOT="/mnt/MLIVECDBUILD/${CDPROFILE}"
CDCHROOTDIR="${LIVECDROOT}/chroot"
CDISONAME="livecd-${CDPROFILE}.iso"
CDISOROOT="${LIVECDROOT}/isoroot"
CDKERNELNAME="magelive"
CDHOSTNAME="livecd-${CDPROFILE}"
MAGERC="/etc/mage.rc"
MAGE_PROFILE="$(basename $(readlink /etc/mage-profile))"
#TOOLCHAIN=toolchain
BASESYSTEM=livecdsystem26
CDID="mlcd-$(date +%F-%k%M)"

# global profile pathes
PROFILES_DIR="/usr/lib/mlivecdbuild/profiles"
GLOBAL_PROFILE="${PROFILES_DIR}/global"

# get full path to isolinux.bin, may vary on multilib systems
if [[ -f /usr/share/syslinux/isolinux.bin ]]
then
	ISOLINUX_BIN=/usr/share/syslinux/isolinux.bin
elif [[ -f /usr/lib64/mkinitrd/isolinux.bin ]]
then
	ISOLINUX_BIN=/usr/lib64/mkinitrd/isolinux.bin
else
	ISOLINUX_BIN=/usr/lib/mkinitrd/isolinux.bin
fi

die() { echo "ERROR: $@"; exit 1; }

# get_profile $filename
get_profile()
{
	local file="$1"

	if [[ -z ${file} ]] || [[ ! -e ${PROFILES_DIR}/${CDPROFILE}/${file} ]]
	then
		echo "${GLOBAL_PROFILE}/${file}"
		return 0
	fi

	echo "${PROFILES_DIR}/${CDPROFILE}/${file}"
}

bootstrap_system()
{
	mage-bootstrap \
		--root "${CDCHROOTDIR}" \
		--magerc "${MAGERC}" \
		--profile "${MAGE_PROFILE}" \
		--toolchain "${TOOLCHAIN}" \
		--basesystem "${BASESYSTEM}" \
		|| die "bootstrapping toolchain"
}

custom_services()
{
	local cmd="$1"
	local services="$2"
	local systemdcmd

	case ${cmd} in
		add|del|default)
			# add given services from profile
			if [[ -n ${services} ]]
			then
				local i
				for i in ${services}
				do
					# systemd
					if [[ -x ${CDCHROOTDIR}/sbin/systemctl ]]
					then
						case ${cmd} in
							add) chroot ${CDCHROOTDIR} systemctl enable ${i} ;;
							del) chroot ${CDCHROOTDIR} systemctl disable ${i} ;;
						esac
					fi
					# busybox and sysvinit
					if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]]
					then
						MROOT="${CDCHROOTDIR}" rc-config ${cmd} ${i} || die "rc ${cmd} ${i}"
					fi
				done
			fi
			;;
		*) die "custom_services: unkown command ${cmd}";;
	esac
}

add_initrc()
{
	local var="$1"

	# sanity checks
	[[ -z ${CDCHROOTDIR} ]] && die "\$CDCHROOTDIR not given."
	echo "${var}" >> ${CDCHROOTDIR}/.installrc || die "add_initrc() adding \$var"
}

custom_packages()
{
	local cmd="$1"
	local packages="$2"

	case ${cmd} in
		install|uninstall)
			if [[ -n ${packages} ]]
			then
				:> ${CDCHROOTDIR}/.installrc

				# respect proxies
				[[ -n ${http_proxy} ]] && add_initrc "export http_proxy=${http_proxy}"
				[[ -n ${ftp_proxy} ]] && add_initrc "export ftp_proxy=${ftp_proxy}"
				[[ -n ${no_proxy} ]] && add_initrc "export no_proxy=${no_proxy}"

				# do not auto-start any services!
				add_initrc "export MAGE_BOOTSTRAP=true"
				add_initrc 'die() { if [ $? -eq 1 ]; then echo "ERROR: $@"; exit 1; fi; }'

				local i
				for i in ${packages}
				do
					add_initrc "mage ${cmd} ${i} || die ${i}"
				done
				add_initrc "mage clean"
		
				# now run the .installrc script
				mount -t proc proc ${CDCHROOTDIR}/proc || die "mount proc"
				mount -t sysfs sysfs ${CDCHROOTDIR}/sys || die "mount sys"
				mount -o bind /dev ${CDCHROOTDIR}/dev || die "mount dev"
				chroot ${CDCHROOTDIR} /bin/bash -i /.installrc || die "chr00ting"
				umount ${CDCHROOTDIR}/dev || die "umount dev"
				umount ${CDCHROOTDIR}/proc || die "umount proc"
				umount ${CDCHROOTDIR}/sys || die "umount sys"
				[ -f ${CDCHROOTDIR}/.installrc ] && rm ${CDCHROOTDIR}/.installrc
			fi
			;;
		*) die "custom_packages: unkown command ${cmd}";;
	esac
}

read_config()
{
	local file="$1"
	local pkg

	( cat ${file}; echo ) | while read pkg
	do
		case "${pkg}" in
			\#*|"") continue ;;
		esac
		echo "${pkg}"
	done
}

prepare_iso()
{
	echo Preparing LiveCD ISO Image ...

	# fixes some issues with xfree/xorg xkb
	if [[ -L ${CDCHROOTDIR}/etc/X11/xkb ]] && [[ -d /usr/X11R6/lib/X11/xkb ]]
	then
		rm ${CDCHROOTDIR}/etc/X11/xkb || die
		mv ${CDCHROOTDIR}/usr/X11R6/lib/X11/xkb ${CDCHROOTDIR}/etc/X11 || die
		ln -s ../../../../etc/X11/xkb ${CDCHROOTDIR}/usr/X11R6/lib/X11/xkb || die
	fi

	# only on sysvinit or busybox systems
	if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]]
	then
		install -m 0644 $(get_profile inittab) ${CDCHROOTDIR}/etc/inittab || die
	fi
	# check lock group on systemd systems
	if [[ -x ${CDCHROOTDIR}/bin/systemctl ]]
	then
		if [[ -z $(chroot ${CDCHROOTDIR} getent group lock) ]]
		then
			chroot ${CDCHROOTDIR}  groupadd -g 54 lock
		fi
	fi
	install -m 0644 $(get_profile fstab) ${CDCHROOTDIR}/etc/fstab || die
	install -m 0644 $(get_profile motd) ${CDCHROOTDIR}/etc/motd || die
	install -m 0644 $(get_profile issue) ${CDCHROOTDIR}/etc/issue || die
	install -m 0644 $(get_profile net.eth0) ${CDCHROOTDIR}/etc/conf.d/net.eth0 || die
	echo "${CDHOSTNAME}" > ${CDCHROOTDIR}/etc/hostname || die

	echo Setting up services ...

#	# add hardware detection
#	if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]]
#	then
#		MROOT="${CDCHROOTDIR}" rc-config add hwdetect || die "rc add hwdetect"
#	fi

	# del checkfs
	if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]]
	then
		MROOT="${CDCHROOTDIR}" rc-config del checkfs || die "rc del checkfs"
	fi

	# add custom packages
	[[ -n ${ADD_PACKAGES} ]] && custom_packages install "${ADD_PACKAGES}"
	[ -f $(get_profile add_packages) ] && custom_packages install "$(read_config $(get_profile add_packages))"

	# del custom packages
	[[ -n ${DEL_PACKAGES} ]] && custom_packages uninstall "${DEL_PACKAGES}"
	[ -f $(get_profile del_packages) ] && custom_packages uninstall "$(read_config $(get_profile del_packages))"

	# add given services from profile
	[[ -n ${ADD_SERVICES} ]] && custom_services add "${ADD_SERVICES}"
	[ -f $(get_profile add_services) ] && custom_services add "$(read_config $(get_profile add_services))"

	# del given services from profile
	[[ -n ${DEL_SERVICES} ]] && custom_services del "${DEL_SERVICES}"
	[ -f $(get_profile del_services) ] && custom_services del "$(read_config $(get_profile del_services))"

	# setup default runlevel
	[[ -n ${DEFAULT_RUNLEVEL} ]] && custom_services default "${DEFAULT_RUNLEVEL}"

	if [ -f $(get_profile prepare_custom) ]
	then
		echo Running custom user script ...
		source $(get_profile prepare_custom) || die "running custom user script"
	fi

	echo Cleaning unwanted files ...
	# do this only if not a symlink!
	if [[ ! -L ${CDCHROOTDIR}/etc/mtab ]]
	then
		:> ${CDCHROOTDIR}/etc/mtab || die "whiping /etc/mtab"
	fi
	[ -f ${CDCHROOTDIR}/root/.bash_history ] && rm ${CDCHROOTDIR}/root/.bash_history
}

generate_rootfs()
{
	local loopdev
	local size

	if [ -f ${LIVECDROOT}/loop/LiveOS/ext3fs.img ]
	then
		rm ${LIVECDROOT}/loop/LiveOS/ext3fs.img || die
	fi
	if [ -f ${CDISOROOT}/LiveOS/squashfs.img ]
	then
		rm ${CDISOROOT}/LiveOS/squashfs.img
	fi
	if [ -f ${CDISOROOT}/livecdrootfs.sqsh ]
	then
		rm ${CDISOROOT}/livecdrootfs.sqsh
	fi

	echo Generating squashfs compressed rootfs loopfile ...
	if [[ -x ${CDCHROOTDIR}/sbin/dracut ]]
	then
		install -d ${LIVECDROOT}/loop/{LiveOS,mnt} || die

		# get the actual size of the chroot
		size=$(du -s chroot | sed 's:^\(.*\)[[:space:]].*:\1:')

		# generate a ext3fs file for devicemapper
		dd if=/dev/zero of=${LIVECDROOT}/loop/LiveOS/ext3fs.img bs=1024 count=$(( ${size} + 10 )) || die
		# create a filesystem
		mkfs.ext3 -L "_${CDID}_EXT3" -m 1 -b 1024 -F ${LIVECDROOT}/loop/LiveOS/ext3fs.img || die
		# set mount_counts and check_intervals to 0
		# set dir_index top, to speed up thing with hashed b-trees
		# allow acls too
		tune2fs -c0 -i0 -Odir_index -ouser_xattr,acl ${LIVECDROOT}/loop/LiveOS/ext3fs.img || die

		# losetup the device
		loopdev=$(losetup -f)
		[[ -z ${loopdev} ]] && die "No unused loopdev found. Maybe you want 'modprobe loop'?"

		# mount the image
		losetup ${loopdev} ${LIVECDROOT}/loop/LiveOS/ext3fs.img || die
		mount ${loopdev} ${LIVECDROOT}/loop/mnt || die

		# copy everything to the image file and preserve permissions
		( cd ${CDCHROOTDIR} && tar cpf - . ) | ( cd ${LIVECDROOT}/loop/mnt && tar xvpf - )

		# now umount everything and create the squashfs image
		umount ${LIVECDROOT}/loop/mnt || die
		losetup -d ${loopdev} || die
		# remove mount to not ending up in the squashfs image
		if [[ -d ${LIVECDROOT}/loop/mnt ]]
		then
			rm -r ${LIVECDROOT}/loop/mnt || die
		fi
		mksquashfs ${LIVECDROOT}/loop ${LIVECDROOT}/livecdrootfs.sqsh || die

		# final cleanup
		if [[ -d ${LIVECDROOT}/loop ]]
		then
			rm -r ${LIVECDROOT}/loop || die
		fi
	else
		mksquashfs ${CDCHROOTDIR} ${LIVECDROOT}/livecdrootfs.sqsh || die
	fi

	echo Moving rootfs loopfile to isoroot ...
	install -d ${CDISOROOT}
	if [[ -x ${CDCHROOTDIR}/sbin/dracut ]]
	then
		install -d ${CDISOROOT}/LiveOS
		mv ${LIVECDROOT}/livecdrootfs.sqsh ${CDISOROOT}/LiveOS/squashfs.img
	else
		mv ${LIVECDROOT}/livecdrootfs.sqsh ${CDISOROOT}
	fi
}

install_bootloader()
{
	echo Installing Bootloader ...

	# iso linux binary
	install -d ${CDISOROOT}/isolinux
	install ${ISOLINUX_BIN} ${CDISOROOT}/isolinux || die

	# kernel
	local kimg="$(basename $(readlink ${CDCHROOTDIR}/boot/vmlinuz))"
	install ${CDCHROOTDIR}/boot/${kimg} ${CDISOROOT}/isolinux/${CDKERNELNAME} || die

	install -m 0644 $(get_profile isolinux.cfg) ${CDISOROOT}/isolinux || die
	install -m 0644 $(get_profile boot.lss) ${CDISOROOT}/isolinux || die
	install -m 0644 $(get_profile boot.msg) ${CDISOROOT}/isolinux || die
	install -m 0644 $(get_profile help.msg) ${CDISOROOT}/isolinux || die

	return 0
}

generate_initrd()
{
	local CHROOTSH="$(mktemp -p ${CDCHROOTDIR})"

	is_loc_mounted "${CDCHROOTDIR}/sys" || mount -t sysfs sysfs ${CDCHROOTDIR}/sys
	is_loc_mounted "${CDCHROOTDIR}/proc" || mount -t proc proc ${CDCHROOTDIR}/proc
	is_loc_mounted "${CDCHROOTDIR}/dev" || mount -o bind /dev ${CDCHROOTDIR}/dev

	echo Generating initrd image ...
	echo '#!/bin/bash' > ${CHROOTSH} || die
	echo 'export LC_ALL=C' >> ${CHROOTSH} || die
	echo 'kv="$(readlink /boot/vmlinuz)"' >> ${CHROOTSH} || die
	echo 'kv="${kv/kernel-}/"' >> ${CHROOTSH} || die
	# prefer dracut
	echo 'if [[ -x /sbin/dracut ]]' >> ${CHROOTSH} || die
	echo 'then' >> ${CHROOTSH} || die
	echo '	dracut -v -f /initrd.gz ${kv}' >> ${CHROOTSH} || die
	echo 'else' >> ${CHROOTSH} || die
	echo '	mkinitrd-livecd -f --initramfs /initrd.gz ${kv}' >> ${CHROOTSH} || die
	echo 'fi' >> ${CHROOTSH} || die
	chmod +x ${CHROOTSH} || die
	chroot ${CDCHROOTDIR} /$(basename ${CHROOTSH}) || die
	[[ -f ${CHROOTSH} ]] && rm ${CHROOTSH} || die

	is_loc_mounted "${CDCHROOTDIR}/dev" && umount ${CDCHROOTDIR}/dev
	is_loc_mounted "${CDCHROOTDIR}/proc" && umount ${CDCHROOTDIR}/proc
	is_loc_mounted "${CDCHROOTDIR}/sys" && umount ${CDCHROOTDIR}/sys

	# move initrd to isoroot
	install -d ${CDISOROOT}/isolinux || die
	mv ${CDCHROOTDIR}/initrd.gz ${CDISOROOT}/isolinux || die
}

generate_iso()
{
	echo Generating ISO Image ...
	install -d ${CDISOROOT}
	pushd ${CDISOROOT} &&
		mkisofs -rock \
			-full-iso9660-filenames \
			-allow-leading-dots \
			-disable-deep-relocation \
			-output ${LIVECDROOT}/${CDISONAME} \
			-eltorito-boot isolinux/isolinux.bin \
			-eltorito-catalog isolinux/boot.cat \
			-no-emul-boot \
			-boot-load-size 4 \
			-boot-info-table \
			-volid "${CDID}" \
			${CDISOROOT} #&> /dev/null
	popd
}

enter_livecd()
{
	is_loc_mounted "${CDCHROOTDIR}/sys" || mount -t sysfs sysfs ${CDCHROOTDIR}/sys
	is_loc_mounted "${CDCHROOTDIR}/proc" || mount -t proc proc ${CDCHROOTDIR}/proc
	is_loc_mounted "${CDCHROOTDIR}/dev" || mount -o bind /dev ${CDCHROOTDIR}/dev

	chroot ${CDCHROOTDIR} \
		/usr/bin/env -i \
			HOME=/root \
			TERM=$TERM PS1='\u:\w\$ ' \
			PATH=/bin:/usr/bin:/sbin:/usr/sbin \
			http_proxy=${http_proxy} \
			ftp_proxy=${ftp_proxy} \
			no_proxy=${no_proxy} \
		/bin/bash -i

	is_loc_mounted "${CDCHROOTDIR}/dev" && umount ${CDCHROOTDIR}/dev
	is_loc_mounted "${CDCHROOTDIR}/proc" && umount ${CDCHROOTDIR}/proc
	is_loc_mounted "${CDCHROOTDIR}/sys" && umount ${CDCHROOTDIR}/sys
}

is_loc_mounted()
{
	local filesys
	local i
	filesys=$1

	i="$(cat /proc/mounts | grep " ${filesys} " | cut -d ' ' -f2)"
	[[ ${i} != ${filesys} ]] && return 1

	return 0
}

trap_exit()
{
	is_loc_mounted "${CDCHROOTDIR}/dev" && umount ${CDCHROOTDIR}/dev
	is_loc_mounted "${CDCHROOTDIR}/proc" && umount ${CDCHROOTDIR}/proc
	is_loc_mounted "${CDCHROOTDIR}/sys" && umount ${CDCHROOTDIR}/sys
}

usage()
{
	echo "Usage: $(basename $0) [command] [profile] ..."
	echo
	echo "Commands:"
	echo "    bootstrap  - bootstraps the rootfs for the livecd"
	echo "    prepare    - prepare the rootfs to run from a livecd"
	echo "    rootfs     - generates the squashfs rootfs image"
	echo "    initrd     - generates a livecd suitable initrd"
	echo "    bootloader - installs the bootloader"
	echo "    isogen     - generate the final livecd iso image"
	echo "    all        - runs all tasks to get a livecd from zero"
	echo "    enter      - enters the rootfs of a livecd"
	echo
	echo "    for example '$(basename $0) all default'"
	echo "    creates a livecd using the default profile."
	echo
}

# set some proper traps
trap "trap_exit" SIGINT SIGQUIT

# source profile config - overrides all other vars
[ -f ${PROFILES_DIR}/${CDPROFILE}/config ] && . ${PROFILES_DIR}/${CDPROFILE}/config

case $1 in
	bootstrap) bootstrap_system;;
	prepare) prepare_iso;;
	rootfs) generate_rootfs;;
	initrd) generate_initrd;;
	bootloader) install_bootloader;;
	isogen) generate_iso;;
	all)
		bootstrap_system
		prepare_iso
		generate_rootfs
		generate_initrd
		install_bootloader
		generate_iso
		;;
	enter) enter_livecd ;;
	*|'') usage;;
esac
1	niro	346	#!/bin/bash
2
3			# some default settings - gets overidden with the profile config
4	niro	360	CDPROFILE="$2"
5	niro	346	[[ -z ${CDPROFILE} ]] && CDPROFILE="default"
6			LIVECDROOT="/mnt/MLIVECDBUILD/${CDPROFILE}"
7			CDCHROOTDIR="${LIVECDROOT}/chroot"
8			CDISONAME="livecd-${CDPROFILE}.iso"
9			CDISOROOT="${LIVECDROOT}/isoroot"
10			CDKERNELNAME="magelive"
11			CDHOSTNAME="livecd-${CDPROFILE}"
12			MAGERC="/etc/mage.rc"
13			MAGE_PROFILE="$(basename $(readlink /etc/mage-profile))"
14			#TOOLCHAIN=toolchain
15			BASESYSTEM=livecdsystem26
16			CDID="mlcd-$(date +%F-%k%M)"
17
18			# global profile pathes
19			PROFILES_DIR="/usr/lib/mlivecdbuild/profiles"
20			GLOBAL_PROFILE="${PROFILES_DIR}/global"
21
22	niro	1422	# get full path to isolinux.bin, may vary on multilib systems
23			if [[ -f /usr/share/syslinux/isolinux.bin ]]
24	niro	1402	then
25	niro	1422	ISOLINUX_BIN=/usr/share/syslinux/isolinux.bin
26			elif [[ -f /usr/lib64/mkinitrd/isolinux.bin ]]
27			then
28	niro	1402	ISOLINUX_BIN=/usr/lib64/mkinitrd/isolinux.bin
29			else
30			ISOLINUX_BIN=/usr/lib/mkinitrd/isolinux.bin
31			fi
32
33	niro	346	die() { echo "ERROR: $@"; exit 1; }
34
35			# get_profile $filename
36			get_profile()
37			{
38			local file="$1"
39
40			if [[ -z ${file} ]] \|\| [[ ! -e ${PROFILES_DIR}/${CDPROFILE}/${file} ]]
41			then
42			echo "${GLOBAL_PROFILE}/${file}"
43			return 0
44			fi
45
46			echo "${PROFILES_DIR}/${CDPROFILE}/${file}"
47			}
48
49			bootstrap_system()
50			{
51			mage-bootstrap \
52			--root "${CDCHROOTDIR}" \
53			--magerc "${MAGERC}" \
54			--profile "${MAGE_PROFILE}" \
55			--toolchain "${TOOLCHAIN}" \
56			--basesystem "${BASESYSTEM}" \
57			\|\| die "bootstrapping toolchain"
58			}
59
60	niro	360	custom_services()
61			{
62			local cmd="$1"
63			local services="$2"
64	niro	1403	local systemdcmd
65	niro	360
66			case ${cmd} in
67	niro	471	add\|del\|default)
68			# add given services from profile
69			if [[ -n ${services} ]]
70			then
71			local i
72			for i in ${services}
73			do
74	niro	1403	# systemd
75			if [[ -x ${CDCHROOTDIR}/sbin/systemctl ]]
76			then
77			case ${cmd} in
78			add) chroot ${CDCHROOTDIR} systemctl enable ${i} ;;
79			del) chroot ${CDCHROOTDIR} systemctl disable ${i} ;;
80			esac
81			fi
82			# busybox and sysvinit
83			if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]]
84			then
85			MROOT="${CDCHROOTDIR}" rc-config ${cmd} ${i} \|\| die "rc ${cmd} ${i}"
86			fi
87	niro	471	done
88			fi
89			;;
90	niro	360	*) die "custom_services: unkown command ${cmd}";;
91			esac
92			}
93
94			add_initrc()
95			{
96			local var="$1"
97
98			# sanity checks
99	niro	473	[[ -z ${CDCHROOTDIR} ]] && die "\$CDCHROOTDIR not given."
100	niro	360	echo "${var}" >> ${CDCHROOTDIR}/.installrc \|\| die "add_initrc() adding \$var"
101			}
102
103			custom_packages()
104			{
105			local cmd="$1"
106			local packages="$2"
107
108			case ${cmd} in
109	niro	471	install\|uninstall)
110			if [[ -n ${packages} ]]
111			then
112			:> ${CDCHROOTDIR}/.installrc
113	niro	472
114			# respect proxies
115			[[ -n ${http_proxy} ]] && add_initrc "export http_proxy=${http_proxy}"
116			[[ -n ${ftp_proxy} ]] && add_initrc "export ftp_proxy=${ftp_proxy}"
117			[[ -n ${no_proxy} ]] && add_initrc "export no_proxy=${no_proxy}"
118
119	niro	580	# do not auto-start any services!
120			add_initrc "export MAGE_BOOTSTRAP=true"
121	niro	863	add_initrc 'die() { if [ $? -eq 1 ]; then echo "ERROR: $@"; exit 1; fi; }'
122	niro	580
123	niro	471	local i
124			for i in ${packages}
125			do
126	niro	863	add_initrc "mage ${cmd} ${i} \|\| die ${i}"
127	niro	471	done
128			add_initrc "mage clean"
129
130			# now run the .installrc script
131			mount -t proc proc ${CDCHROOTDIR}/proc \|\| die "mount proc"
132			mount -t sysfs sysfs ${CDCHROOTDIR}/sys \|\| die "mount sys"
133			mount -o bind /dev ${CDCHROOTDIR}/dev \|\| die "mount dev"
134			chroot ${CDCHROOTDIR} /bin/bash -i /.installrc \|\| die "chr00ting"
135			umount ${CDCHROOTDIR}/dev \|\| die "umount dev"
136			umount ${CDCHROOTDIR}/proc \|\| die "umount proc"
137			umount ${CDCHROOTDIR}/sys \|\| die "umount sys"
138			[ -f ${CDCHROOTDIR}/.installrc ] && rm ${CDCHROOTDIR}/.installrc
139			fi
140			;;
141	niro	360	*) die "custom_packages: unkown command ${cmd}";;
142			esac
143			}
144
145			read_config()
146			{
147			local file="$1"
148			local pkg
149
150			( cat ${file}; echo ) \| while read pkg
151			do
152			case "${pkg}" in
153			\#*\|"") continue ;;
154			esac
155			echo "${pkg}"
156			done
157			}
158
159	niro	346	prepare_iso()
160			{
161			echo Preparing LiveCD ISO Image ...
162
163			# fixes some issues with xfree/xorg xkb
164	niro	473	if [[ -L ${CDCHROOTDIR}/etc/X11/xkb ]] && [[ -d /usr/X11R6/lib/X11/xkb ]]
165	niro	346	then
166			rm ${CDCHROOTDIR}/etc/X11/xkb \|\| die
167			mv ${CDCHROOTDIR}/usr/X11R6/lib/X11/xkb ${CDCHROOTDIR}/etc/X11 \|\| die
168			ln -s ../../../../etc/X11/xkb ${CDCHROOTDIR}/usr/X11R6/lib/X11/xkb \|\| die
169			fi
170
171	niro	1403	# only on sysvinit or busybox systems
172			if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]]
173			then
174			install -m 0644 $(get_profile inittab) ${CDCHROOTDIR}/etc/inittab \|\| die
175			fi
176	niro	1446	# check lock group on systemd systems
177			if [[ -x ${CDCHROOTDIR}/bin/systemctl ]]
178			then
179			if [[ -z $(chroot ${CDCHROOTDIR} getent group lock) ]]
180			then
181			chroot ${CDCHROOTDIR} groupadd -g 54 lock
182			fi
183			fi
184	niro	346	install -m 0644 $(get_profile fstab) ${CDCHROOTDIR}/etc/fstab \|\| die
185			install -m 0644 $(get_profile motd) ${CDCHROOTDIR}/etc/motd \|\| die
186			install -m 0644 $(get_profile issue) ${CDCHROOTDIR}/etc/issue \|\| die
187	niro	712	install -m 0644 $(get_profile net.eth0) ${CDCHROOTDIR}/etc/conf.d/net.eth0 \|\| die
188	niro	346	echo "${CDHOSTNAME}" > ${CDCHROOTDIR}/etc/hostname \|\| die
189
190			echo Setting up services ...
191
192	niro	978	# # add hardware detection
193	niro	1403	# if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]]
194			# then
195			# MROOT="${CDCHROOTDIR}" rc-config add hwdetect \|\| die "rc add hwdetect"
196			# fi
197	niro	346
198			# del checkfs
199	niro	1403	if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]]
200			then
201			MROOT="${CDCHROOTDIR}" rc-config del checkfs \|\| die "rc del checkfs"
202			fi
203	niro	346
204	niro	360	# add custom packages
205			[[ -n ${ADD_PACKAGES} ]] && custom_packages install "${ADD_PACKAGES}"
206			[ -f $(get_profile add_packages) ] && custom_packages install "$(read_config $(get_profile add_packages))"
207
208			# del custom packages
209			[[ -n ${DEL_PACKAGES} ]] && custom_packages uninstall "${DEL_PACKAGES}"
210			[ -f $(get_profile del_packages) ] && custom_packages uninstall "$(read_config $(get_profile del_packages))"
211
212			# add given services from profile
213			[[ -n ${ADD_SERVICES} ]] && custom_services add "${ADD_SERVICES}"
214			[ -f $(get_profile add_services) ] && custom_services add "$(read_config $(get_profile add_services))"
215
216			# del given services from profile
217			[[ -n ${DEL_SERVICES} ]] && custom_services del "${DEL_SERVICES}"
218			[ -f $(get_profile del_services) ] && custom_services del "$(read_config $(get_profile del_services))"
219
220			# setup default runlevel
221			[[ -n ${DEFAULT_RUNLEVEL} ]] && custom_services default "${DEFAULT_RUNLEVEL}"
222
223			if [ -f $(get_profile prepare_custom) ]
224			then
225			echo Running custom user script ...
226			source $(get_profile prepare_custom) \|\| die "running custom user script"
227			fi
228
229	niro	346	echo Cleaning unwanted files ...
230	niro	1403	# do this only if not a symlink!
231			if [[ ! -L ${CDCHROOTDIR}/etc/mtab ]]
232			then
233			:> ${CDCHROOTDIR}/etc/mtab \|\| die "whiping /etc/mtab"
234			fi
235	niro	360	[ -f ${CDCHROOTDIR}/root/.bash_history ] && rm ${CDCHROOTDIR}/root/.bash_history
236	niro	346	}
237
238			generate_rootfs()
239			{
240	niro	1403	local loopdev
241			local size
242
243			if [ -f ${LIVECDROOT}/loop/LiveOS/ext3fs.img ]
244			then
245			rm ${LIVECDROOT}/loop/LiveOS/ext3fs.img \|\| die
246			fi
247			if [ -f ${CDISOROOT}/LiveOS/squashfs.img ]
248			then
249			rm ${CDISOROOT}/LiveOS/squashfs.img
250			fi
251			if [ -f ${CDISOROOT}/livecdrootfs.sqsh ]
252			then
253			rm ${CDISOROOT}/livecdrootfs.sqsh
254			fi
255
256	niro	346	echo Generating squashfs compressed rootfs loopfile ...
257	niro	1403	if [[ -x ${CDCHROOTDIR}/sbin/dracut ]]
258			then
259			install -d ${LIVECDROOT}/loop/{LiveOS,mnt} \|\| die
260	niro	346
261	niro	1403	# get the actual size of the chroot
262			size=$(du -s chroot \| sed 's:^\(.\)[[:space:]].:\1:')
263
264			# generate a ext3fs file for devicemapper
265			dd if=/dev/zero of=${LIVECDROOT}/loop/LiveOS/ext3fs.img bs=1024 count=$(( ${size} + 10 )) \|\| die
266			# create a filesystem
267			mkfs.ext3 -L "_${CDID}_EXT3" -m 1 -b 1024 -F ${LIVECDROOT}/loop/LiveOS/ext3fs.img \|\| die
268			# set mount_counts and check_intervals to 0
269			# set dir_index top, to speed up thing with hashed b-trees
270			# allow acls too
271			tune2fs -c0 -i0 -Odir_index -ouser_xattr,acl ${LIVECDROOT}/loop/LiveOS/ext3fs.img \|\| die
272
273			# losetup the device
274			loopdev=$(losetup -f)
275			[[ -z ${loopdev} ]] && die "No unused loopdev found. Maybe you want 'modprobe loop'?"
276
277			# mount the image
278			losetup ${loopdev} ${LIVECDROOT}/loop/LiveOS/ext3fs.img \|\| die
279			mount ${loopdev} ${LIVECDROOT}/loop/mnt \|\| die
280
281			# copy everything to the image file and preserve permissions
282			( cd ${CDCHROOTDIR} && tar cpf - . ) \| ( cd ${LIVECDROOT}/loop/mnt && tar xvpf - )
283
284			# now umount everything and create the squashfs image
285			umount ${LIVECDROOT}/loop/mnt \|\| die
286			losetup -d ${loopdev} \|\| die
287			# remove mount to not ending up in the squashfs image
288			if [[ -d ${LIVECDROOT}/loop/mnt ]]
289			then
290			rm -r ${LIVECDROOT}/loop/mnt \|\| die
291			fi
292			mksquashfs ${LIVECDROOT}/loop ${LIVECDROOT}/livecdrootfs.sqsh \|\| die
293
294			# final cleanup
295			if [[ -d ${LIVECDROOT}/loop ]]
296			then
297			rm -r ${LIVECDROOT}/loop \|\| die
298			fi
299			else
300			mksquashfs ${CDCHROOTDIR} ${LIVECDROOT}/livecdrootfs.sqsh \|\| die
301			fi
302
303	niro	346	echo Moving rootfs loopfile to isoroot ...
304			install -d ${CDISOROOT}
305	niro	1403	if [[ -x ${CDCHROOTDIR}/sbin/dracut ]]
306			then
307			install -d ${CDISOROOT}/LiveOS
308			mv ${LIVECDROOT}/livecdrootfs.sqsh ${CDISOROOT}/LiveOS/squashfs.img
309			else
310			mv ${LIVECDROOT}/livecdrootfs.sqsh ${CDISOROOT}
311			fi
312	niro	346	}
313
314			install_bootloader()
315			{
316			echo Installing Bootloader ...
317
318			# iso linux binary
319			install -d ${CDISOROOT}/isolinux
320	niro	1402	install ${ISOLINUX_BIN} ${CDISOROOT}/isolinux \|\| die
321	niro	346
322			# kernel
323			local kimg="$(basename $(readlink ${CDCHROOTDIR}/boot/vmlinuz))"
324			install ${CDCHROOTDIR}/boot/${kimg} ${CDISOROOT}/isolinux/${CDKERNELNAME} \|\| die
325
326			install -m 0644 $(get_profile isolinux.cfg) ${CDISOROOT}/isolinux \|\| die
327			install -m 0644 $(get_profile boot.lss) ${CDISOROOT}/isolinux \|\| die
328			install -m 0644 $(get_profile boot.msg) ${CDISOROOT}/isolinux \|\| die
329			install -m 0644 $(get_profile help.msg) ${CDISOROOT}/isolinux \|\| die
330
331			return 0
332			}
333
334			generate_initrd()
335			{
336			local CHROOTSH="$(mktemp -p ${CDCHROOTDIR})"
337
338	niro	1403	is_loc_mounted "${CDCHROOTDIR}/sys" \|\| mount -t sysfs sysfs ${CDCHROOTDIR}/sys
339			is_loc_mounted "${CDCHROOTDIR}/proc" \|\| mount -t proc proc ${CDCHROOTDIR}/proc
340			is_loc_mounted "${CDCHROOTDIR}/dev" \|\| mount -o bind /dev ${CDCHROOTDIR}/dev
341
342	niro	346	echo Generating initrd image ...
343			echo '#!/bin/bash' > ${CHROOTSH} \|\| die
344	niro	1403	echo 'export LC_ALL=C' >> ${CHROOTSH} \|\| die
345	niro	346	echo 'kv="$(readlink /boot/vmlinuz)"' >> ${CHROOTSH} \|\| die
346			echo 'kv="${kv/kernel-}/"' >> ${CHROOTSH} \|\| die
347	niro	1403	# prefer dracut
348			echo 'if [[ -x /sbin/dracut ]]' >> ${CHROOTSH} \|\| die
349			echo 'then' >> ${CHROOTSH} \|\| die
350			echo ' dracut -v -f /initrd.gz ${kv}' >> ${CHROOTSH} \|\| die
351			echo 'else' >> ${CHROOTSH} \|\| die
352			echo ' mkinitrd-livecd -f --initramfs /initrd.gz ${kv}' >> ${CHROOTSH} \|\| die
353			echo 'fi' >> ${CHROOTSH} \|\| die
354	niro	346	chmod +x ${CHROOTSH} \|\| die
355			chroot ${CDCHROOTDIR} /$(basename ${CHROOTSH}) \|\| die
356			[[ -f ${CHROOTSH} ]] && rm ${CHROOTSH} \|\| die
357
358	niro	1403	is_loc_mounted "${CDCHROOTDIR}/dev" && umount ${CDCHROOTDIR}/dev
359			is_loc_mounted "${CDCHROOTDIR}/proc" && umount ${CDCHROOTDIR}/proc
360			is_loc_mounted "${CDCHROOTDIR}/sys" && umount ${CDCHROOTDIR}/sys
361
362	niro	346	# move initrd to isoroot
363			install -d ${CDISOROOT}/isolinux \|\| die
364			mv ${CDCHROOTDIR}/initrd.gz ${CDISOROOT}/isolinux \|\| die
365			}
366
367			generate_iso()
368			{
369			echo Generating ISO Image ...
370			install -d ${CDISOROOT}
371			pushd ${CDISOROOT} &&
372			mkisofs -rock \
373			-full-iso9660-filenames \
374			-allow-leading-dots \
375			-disable-deep-relocation \
376			-output ${LIVECDROOT}/${CDISONAME} \
377			-eltorito-boot isolinux/isolinux.bin \
378			-eltorito-catalog isolinux/boot.cat \
379			-no-emul-boot \
380			-boot-load-size 4 \
381			-boot-info-table \
382			-volid "${CDID}" \
383			${CDISOROOT} #&> /dev/null
384			popd
385			}
386
387			enter_livecd()
388			{
389	niro	1403	is_loc_mounted "${CDCHROOTDIR}/sys" \|\| mount -t sysfs sysfs ${CDCHROOTDIR}/sys
390			is_loc_mounted "${CDCHROOTDIR}/proc" \|\| mount -t proc proc ${CDCHROOTDIR}/proc
391			is_loc_mounted "${CDCHROOTDIR}/dev" \|\| mount -o bind /dev ${CDCHROOTDIR}/dev
392	niro	346
393			chroot ${CDCHROOTDIR} \
394			/usr/bin/env -i \
395			HOME=/root \
396			TERM=$TERM PS1='\u:\w\$ ' \
397			PATH=/bin:/usr/bin:/sbin:/usr/sbin \
398	niro	472	http_proxy=${http_proxy} \
399			ftp_proxy=${ftp_proxy} \
400			no_proxy=${no_proxy} \
401	niro	346	/bin/bash -i
402	niro	609
403	niro	1403	is_loc_mounted "${CDCHROOTDIR}/dev" && umount ${CDCHROOTDIR}/dev
404			is_loc_mounted "${CDCHROOTDIR}/proc" && umount ${CDCHROOTDIR}/proc
405			is_loc_mounted "${CDCHROOTDIR}/sys" && umount ${CDCHROOTDIR}/sys
406	niro	346	}
407
408	niro	1403	is_loc_mounted()
409			{
410			local filesys
411			local i
412			filesys=$1
413
414			i="$(cat /proc/mounts \| grep " ${filesys} " \| cut -d ' ' -f2)"
415			[[ ${i} != ${filesys} ]] && return 1
416
417			return 0
418			}
419
420			trap_exit()
421			{
422			is_loc_mounted "${CDCHROOTDIR}/dev" && umount ${CDCHROOTDIR}/dev
423			is_loc_mounted "${CDCHROOTDIR}/proc" && umount ${CDCHROOTDIR}/proc
424			is_loc_mounted "${CDCHROOTDIR}/sys" && umount ${CDCHROOTDIR}/sys
425			}
426
427	niro	360	usage()
428			{
429			echo "Usage: $(basename $0) [command] [profile] ..."
430			echo
431			echo "Commands:"
432			echo " bootstrap - bootstraps the rootfs for the livecd"
433			echo " prepare - prepare the rootfs to run from a livecd"
434			echo " rootfs - generates the squashfs rootfs image"
435			echo " initrd - generates a livecd suitable initrd"
436			echo " bootloader - installs the bootloader"
437			echo " isogen - generate the final livecd iso image"
438			echo " all - runs all tasks to get a livecd from zero"
439	niro	472	echo " enter - enters the rootfs of a livecd"
440	niro	360	echo
441			echo " for example '$(basename $0) all default'"
442			echo " creates a livecd using the default profile."
443			echo
444			}
445
446	niro	1403	# set some proper traps
447			trap "trap_exit" SIGINT SIGQUIT
448
449	niro	346	# source profile config - overrides all other vars
450			[ -f ${PROFILES_DIR}/${CDPROFILE}/config ] && . ${PROFILES_DIR}/${CDPROFILE}/config
451
452	niro	360	case $1 in
453			bootstrap) bootstrap_system;;
454			prepare) prepare_iso;;
455			rootfs) generate_rootfs;;
456			initrd) generate_initrd;;
457			bootloader) install_bootloader;;
458			isogen) generate_iso;;
459			all)
460			bootstrap_system
461			prepare_iso
462			generate_rootfs
463			generate_initrd
464			install_bootloader
465	niro	713	generate_iso
466	niro	360	;;
467	niro	472	enter) enter_livecd ;;
468	niro	360	*\|'') usage;;
469			esac