Contents of /trunk/mlivecdbuild/mlivecdbuild2.sh
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Sun Jul 3 21:34:53 2011 UTC (13 years, 2 months ago) by niro
File MIME type: application/x-sh
File size: 13301 byte(s)
Sun Jul 3 21:34:53 2011 UTC (13 years, 2 months ago) by niro
File MIME type: application/x-sh
File size: 13301 byte(s)
-support standalone syslinux, mkinitrd gets superseeded by dracut
1 | #!/bin/bash |
2 | |
3 | # some default settings - gets overidden with the profile config |
4 | CDPROFILE="$2" |
5 | [[ -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 | # get full path to isolinux.bin, may vary on multilib systems |
23 | if [[ -f /usr/share/syslinux/isolinux.bin ]] |
24 | then |
25 | ISOLINUX_BIN=/usr/share/syslinux/isolinux.bin |
26 | elif [[ -f /usr/lib64/mkinitrd/isolinux.bin ]] |
27 | then |
28 | ISOLINUX_BIN=/usr/lib64/mkinitrd/isolinux.bin |
29 | else |
30 | ISOLINUX_BIN=/usr/lib/mkinitrd/isolinux.bin |
31 | fi |
32 | |
33 | 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 | custom_services() |
61 | { |
62 | local cmd="$1" |
63 | local services="$2" |
64 | local systemdcmd |
65 | |
66 | case ${cmd} in |
67 | 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 | # 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 | done |
88 | fi |
89 | ;; |
90 | *) die "custom_services: unkown command ${cmd}";; |
91 | esac |
92 | } |
93 | |
94 | add_initrc() |
95 | { |
96 | local var="$1" |
97 | |
98 | # sanity checks |
99 | [[ -z ${CDCHROOTDIR} ]] && die "\$CDCHROOTDIR not given." |
100 | echo "${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 | install|uninstall) |
110 | if [[ -n ${packages} ]] |
111 | then |
112 | :> ${CDCHROOTDIR}/.installrc |
113 | |
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 | # do not auto-start any services! |
120 | add_initrc "export MAGE_BOOTSTRAP=true" |
121 | add_initrc 'die() { if [ $? -eq 1 ]; then echo "ERROR: $@"; exit 1; fi; }' |
122 | |
123 | local i |
124 | for i in ${packages} |
125 | do |
126 | add_initrc "mage ${cmd} ${i} || die ${i}" |
127 | 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 | *) 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 | prepare_iso() |
160 | { |
161 | echo Preparing LiveCD ISO Image ... |
162 | |
163 | # fixes some issues with xfree/xorg xkb |
164 | if [[ -L ${CDCHROOTDIR}/etc/X11/xkb ]] && [[ -d /usr/X11R6/lib/X11/xkb ]] |
165 | 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 | # 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 | install -m 0644 $(get_profile fstab) ${CDCHROOTDIR}/etc/fstab || die |
177 | install -m 0644 $(get_profile motd) ${CDCHROOTDIR}/etc/motd || die |
178 | install -m 0644 $(get_profile issue) ${CDCHROOTDIR}/etc/issue || die |
179 | install -m 0644 $(get_profile net.eth0) ${CDCHROOTDIR}/etc/conf.d/net.eth0 || die |
180 | echo "${CDHOSTNAME}" > ${CDCHROOTDIR}/etc/hostname || die |
181 | |
182 | echo Setting up services ... |
183 | |
184 | # # add hardware detection |
185 | # if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]] |
186 | # then |
187 | # MROOT="${CDCHROOTDIR}" rc-config add hwdetect || die "rc add hwdetect" |
188 | # fi |
189 | |
190 | # del checkfs |
191 | if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]] |
192 | then |
193 | MROOT="${CDCHROOTDIR}" rc-config del checkfs || die "rc del checkfs" |
194 | fi |
195 | |
196 | # add custom packages |
197 | [[ -n ${ADD_PACKAGES} ]] && custom_packages install "${ADD_PACKAGES}" |
198 | [ -f $(get_profile add_packages) ] && custom_packages install "$(read_config $(get_profile add_packages))" |
199 | |
200 | # del custom packages |
201 | [[ -n ${DEL_PACKAGES} ]] && custom_packages uninstall "${DEL_PACKAGES}" |
202 | [ -f $(get_profile del_packages) ] && custom_packages uninstall "$(read_config $(get_profile del_packages))" |
203 | |
204 | # add given services from profile |
205 | [[ -n ${ADD_SERVICES} ]] && custom_services add "${ADD_SERVICES}" |
206 | [ -f $(get_profile add_services) ] && custom_services add "$(read_config $(get_profile add_services))" |
207 | |
208 | # del given services from profile |
209 | [[ -n ${DEL_SERVICES} ]] && custom_services del "${DEL_SERVICES}" |
210 | [ -f $(get_profile del_services) ] && custom_services del "$(read_config $(get_profile del_services))" |
211 | |
212 | # setup default runlevel |
213 | [[ -n ${DEFAULT_RUNLEVEL} ]] && custom_services default "${DEFAULT_RUNLEVEL}" |
214 | |
215 | if [ -f $(get_profile prepare_custom) ] |
216 | then |
217 | echo Running custom user script ... |
218 | source $(get_profile prepare_custom) || die "running custom user script" |
219 | fi |
220 | |
221 | echo Cleaning unwanted files ... |
222 | # do this only if not a symlink! |
223 | if [[ ! -L ${CDCHROOTDIR}/etc/mtab ]] |
224 | then |
225 | :> ${CDCHROOTDIR}/etc/mtab || die "whiping /etc/mtab" |
226 | fi |
227 | [ -f ${CDCHROOTDIR}/root/.bash_history ] && rm ${CDCHROOTDIR}/root/.bash_history |
228 | } |
229 | |
230 | generate_rootfs() |
231 | { |
232 | local loopdev |
233 | local size |
234 | |
235 | if [ -f ${LIVECDROOT}/loop/LiveOS/ext3fs.img ] |
236 | then |
237 | rm ${LIVECDROOT}/loop/LiveOS/ext3fs.img || die |
238 | fi |
239 | if [ -f ${CDISOROOT}/LiveOS/squashfs.img ] |
240 | then |
241 | rm ${CDISOROOT}/LiveOS/squashfs.img |
242 | fi |
243 | if [ -f ${CDISOROOT}/livecdrootfs.sqsh ] |
244 | then |
245 | rm ${CDISOROOT}/livecdrootfs.sqsh |
246 | fi |
247 | |
248 | echo Generating squashfs compressed rootfs loopfile ... |
249 | if [[ -x ${CDCHROOTDIR}/sbin/dracut ]] |
250 | then |
251 | install -d ${LIVECDROOT}/loop/{LiveOS,mnt} || die |
252 | |
253 | # get the actual size of the chroot |
254 | size=$(du -s chroot | sed 's:^\(.*\)[[:space:]].*:\1:') |
255 | |
256 | # generate a ext3fs file for devicemapper |
257 | dd if=/dev/zero of=${LIVECDROOT}/loop/LiveOS/ext3fs.img bs=1024 count=$(( ${size} + 10 )) || die |
258 | # create a filesystem |
259 | mkfs.ext3 -L "_${CDID}_EXT3" -m 1 -b 1024 -F ${LIVECDROOT}/loop/LiveOS/ext3fs.img || die |
260 | # set mount_counts and check_intervals to 0 |
261 | # set dir_index top, to speed up thing with hashed b-trees |
262 | # allow acls too |
263 | tune2fs -c0 -i0 -Odir_index -ouser_xattr,acl ${LIVECDROOT}/loop/LiveOS/ext3fs.img || die |
264 | |
265 | # losetup the device |
266 | loopdev=$(losetup -f) |
267 | [[ -z ${loopdev} ]] && die "No unused loopdev found. Maybe you want 'modprobe loop'?" |
268 | |
269 | # mount the image |
270 | losetup ${loopdev} ${LIVECDROOT}/loop/LiveOS/ext3fs.img || die |
271 | mount ${loopdev} ${LIVECDROOT}/loop/mnt || die |
272 | |
273 | # copy everything to the image file and preserve permissions |
274 | ( cd ${CDCHROOTDIR} && tar cpf - . ) | ( cd ${LIVECDROOT}/loop/mnt && tar xvpf - ) |
275 | |
276 | # now umount everything and create the squashfs image |
277 | umount ${LIVECDROOT}/loop/mnt || die |
278 | losetup -d ${loopdev} || die |
279 | # remove mount to not ending up in the squashfs image |
280 | if [[ -d ${LIVECDROOT}/loop/mnt ]] |
281 | then |
282 | rm -r ${LIVECDROOT}/loop/mnt || die |
283 | fi |
284 | mksquashfs ${LIVECDROOT}/loop ${LIVECDROOT}/livecdrootfs.sqsh || die |
285 | |
286 | # final cleanup |
287 | if [[ -d ${LIVECDROOT}/loop ]] |
288 | then |
289 | rm -r ${LIVECDROOT}/loop || die |
290 | fi |
291 | else |
292 | mksquashfs ${CDCHROOTDIR} ${LIVECDROOT}/livecdrootfs.sqsh || die |
293 | fi |
294 | |
295 | echo Moving rootfs loopfile to isoroot ... |
296 | install -d ${CDISOROOT} |
297 | if [[ -x ${CDCHROOTDIR}/sbin/dracut ]] |
298 | then |
299 | install -d ${CDISOROOT}/LiveOS |
300 | mv ${LIVECDROOT}/livecdrootfs.sqsh ${CDISOROOT}/LiveOS/squashfs.img |
301 | else |
302 | mv ${LIVECDROOT}/livecdrootfs.sqsh ${CDISOROOT} |
303 | fi |
304 | } |
305 | |
306 | install_bootloader() |
307 | { |
308 | echo Installing Bootloader ... |
309 | |
310 | # iso linux binary |
311 | install -d ${CDISOROOT}/isolinux |
312 | install ${ISOLINUX_BIN} ${CDISOROOT}/isolinux || die |
313 | |
314 | # kernel |
315 | local kimg="$(basename $(readlink ${CDCHROOTDIR}/boot/vmlinuz))" |
316 | install ${CDCHROOTDIR}/boot/${kimg} ${CDISOROOT}/isolinux/${CDKERNELNAME} || die |
317 | |
318 | install -m 0644 $(get_profile isolinux.cfg) ${CDISOROOT}/isolinux || die |
319 | install -m 0644 $(get_profile boot.lss) ${CDISOROOT}/isolinux || die |
320 | install -m 0644 $(get_profile boot.msg) ${CDISOROOT}/isolinux || die |
321 | install -m 0644 $(get_profile help.msg) ${CDISOROOT}/isolinux || die |
322 | |
323 | return 0 |
324 | } |
325 | |
326 | generate_initrd() |
327 | { |
328 | local CHROOTSH="$(mktemp -p ${CDCHROOTDIR})" |
329 | |
330 | is_loc_mounted "${CDCHROOTDIR}/sys" || mount -t sysfs sysfs ${CDCHROOTDIR}/sys |
331 | is_loc_mounted "${CDCHROOTDIR}/proc" || mount -t proc proc ${CDCHROOTDIR}/proc |
332 | is_loc_mounted "${CDCHROOTDIR}/dev" || mount -o bind /dev ${CDCHROOTDIR}/dev |
333 | |
334 | echo Generating initrd image ... |
335 | echo '#!/bin/bash' > ${CHROOTSH} || die |
336 | echo 'export LC_ALL=C' >> ${CHROOTSH} || die |
337 | echo 'kv="$(readlink /boot/vmlinuz)"' >> ${CHROOTSH} || die |
338 | echo 'kv="${kv/kernel-}/"' >> ${CHROOTSH} || die |
339 | # prefer dracut |
340 | echo 'if [[ -x /sbin/dracut ]]' >> ${CHROOTSH} || die |
341 | echo 'then' >> ${CHROOTSH} || die |
342 | echo ' dracut -v -f /initrd.gz ${kv}' >> ${CHROOTSH} || die |
343 | echo 'else' >> ${CHROOTSH} || die |
344 | echo ' mkinitrd-livecd -f --initramfs /initrd.gz ${kv}' >> ${CHROOTSH} || die |
345 | echo 'fi' >> ${CHROOTSH} || die |
346 | chmod +x ${CHROOTSH} || die |
347 | chroot ${CDCHROOTDIR} /$(basename ${CHROOTSH}) || die |
348 | [[ -f ${CHROOTSH} ]] && rm ${CHROOTSH} || die |
349 | |
350 | is_loc_mounted "${CDCHROOTDIR}/dev" && umount ${CDCHROOTDIR}/dev |
351 | is_loc_mounted "${CDCHROOTDIR}/proc" && umount ${CDCHROOTDIR}/proc |
352 | is_loc_mounted "${CDCHROOTDIR}/sys" && umount ${CDCHROOTDIR}/sys |
353 | |
354 | # move initrd to isoroot |
355 | install -d ${CDISOROOT}/isolinux || die |
356 | mv ${CDCHROOTDIR}/initrd.gz ${CDISOROOT}/isolinux || die |
357 | } |
358 | |
359 | generate_iso() |
360 | { |
361 | echo Generating ISO Image ... |
362 | install -d ${CDISOROOT} |
363 | pushd ${CDISOROOT} && |
364 | mkisofs -rock \ |
365 | -full-iso9660-filenames \ |
366 | -allow-leading-dots \ |
367 | -disable-deep-relocation \ |
368 | -output ${LIVECDROOT}/${CDISONAME} \ |
369 | -eltorito-boot isolinux/isolinux.bin \ |
370 | -eltorito-catalog isolinux/boot.cat \ |
371 | -no-emul-boot \ |
372 | -boot-load-size 4 \ |
373 | -boot-info-table \ |
374 | -volid "${CDID}" \ |
375 | ${CDISOROOT} #&> /dev/null |
376 | popd |
377 | } |
378 | |
379 | enter_livecd() |
380 | { |
381 | is_loc_mounted "${CDCHROOTDIR}/sys" || mount -t sysfs sysfs ${CDCHROOTDIR}/sys |
382 | is_loc_mounted "${CDCHROOTDIR}/proc" || mount -t proc proc ${CDCHROOTDIR}/proc |
383 | is_loc_mounted "${CDCHROOTDIR}/dev" || mount -o bind /dev ${CDCHROOTDIR}/dev |
384 | |
385 | chroot ${CDCHROOTDIR} \ |
386 | /usr/bin/env -i \ |
387 | HOME=/root \ |
388 | TERM=$TERM PS1='\u:\w\$ ' \ |
389 | PATH=/bin:/usr/bin:/sbin:/usr/sbin \ |
390 | http_proxy=${http_proxy} \ |
391 | ftp_proxy=${ftp_proxy} \ |
392 | no_proxy=${no_proxy} \ |
393 | /bin/bash -i |
394 | |
395 | is_loc_mounted "${CDCHROOTDIR}/dev" && umount ${CDCHROOTDIR}/dev |
396 | is_loc_mounted "${CDCHROOTDIR}/proc" && umount ${CDCHROOTDIR}/proc |
397 | is_loc_mounted "${CDCHROOTDIR}/sys" && umount ${CDCHROOTDIR}/sys |
398 | } |
399 | |
400 | is_loc_mounted() |
401 | { |
402 | local filesys |
403 | local i |
404 | filesys=$1 |
405 | |
406 | i="$(cat /proc/mounts | grep " ${filesys} " | cut -d ' ' -f2)" |
407 | [[ ${i} != ${filesys} ]] && return 1 |
408 | |
409 | return 0 |
410 | } |
411 | |
412 | trap_exit() |
413 | { |
414 | is_loc_mounted "${CDCHROOTDIR}/dev" && umount ${CDCHROOTDIR}/dev |
415 | is_loc_mounted "${CDCHROOTDIR}/proc" && umount ${CDCHROOTDIR}/proc |
416 | is_loc_mounted "${CDCHROOTDIR}/sys" && umount ${CDCHROOTDIR}/sys |
417 | } |
418 | |
419 | usage() |
420 | { |
421 | echo "Usage: $(basename $0) [command] [profile] ..." |
422 | echo |
423 | echo "Commands:" |
424 | echo " bootstrap - bootstraps the rootfs for the livecd" |
425 | echo " prepare - prepare the rootfs to run from a livecd" |
426 | echo " rootfs - generates the squashfs rootfs image" |
427 | echo " initrd - generates a livecd suitable initrd" |
428 | echo " bootloader - installs the bootloader" |
429 | echo " isogen - generate the final livecd iso image" |
430 | echo " all - runs all tasks to get a livecd from zero" |
431 | echo " enter - enters the rootfs of a livecd" |
432 | echo |
433 | echo " for example '$(basename $0) all default'" |
434 | echo " creates a livecd using the default profile." |
435 | echo |
436 | } |
437 | |
438 | # set some proper traps |
439 | trap "trap_exit" SIGINT SIGQUIT |
440 | |
441 | # source profile config - overrides all other vars |
442 | [ -f ${PROFILES_DIR}/${CDPROFILE}/config ] && . ${PROFILES_DIR}/${CDPROFILE}/config |
443 | |
444 | case $1 in |
445 | bootstrap) bootstrap_system;; |
446 | prepare) prepare_iso;; |
447 | rootfs) generate_rootfs;; |
448 | initrd) generate_initrd;; |
449 | bootloader) install_bootloader;; |
450 | isogen) generate_iso;; |
451 | all) |
452 | bootstrap_system |
453 | prepare_iso |
454 | generate_rootfs |
455 | generate_initrd |
456 | install_bootloader |
457 | generate_iso |
458 | ;; |
459 | enter) enter_livecd ;; |
460 | *|'') usage;; |
461 | esac |