Contents of /trunk/mlivecdbuild/mlivecdbuild2.sh
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Sun Jun 5 18:27:47 2011 UTC (13 years, 3 months ago) by niro
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File size: 13202 byte(s)
Sun Jun 5 18:27:47 2011 UTC (13 years, 3 months ago) by niro
File MIME type: application/x-sh
File size: 13202 byte(s)
-added support for systemd and 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 an multilib systems |
23 | if [[ -f /usr/lib64/mkinitrd/isolinux.bin ]] |
24 | then |
25 | ISOLINUX_BIN=/usr/lib64/mkinitrd/isolinux.bin |
26 | else |
27 | ISOLINUX_BIN=/usr/lib/mkinitrd/isolinux.bin |
28 | fi |
29 | |
30 | die() { echo "ERROR: $@"; exit 1; } |
31 | |
32 | # get_profile $filename |
33 | get_profile() |
34 | { |
35 | local file="$1" |
36 | |
37 | if [[ -z ${file} ]] || [[ ! -e ${PROFILES_DIR}/${CDPROFILE}/${file} ]] |
38 | then |
39 | echo "${GLOBAL_PROFILE}/${file}" |
40 | return 0 |
41 | fi |
42 | |
43 | echo "${PROFILES_DIR}/${CDPROFILE}/${file}" |
44 | } |
45 | |
46 | bootstrap_system() |
47 | { |
48 | mage-bootstrap \ |
49 | --root "${CDCHROOTDIR}" \ |
50 | --magerc "${MAGERC}" \ |
51 | --profile "${MAGE_PROFILE}" \ |
52 | --toolchain "${TOOLCHAIN}" \ |
53 | --basesystem "${BASESYSTEM}" \ |
54 | || die "bootstrapping toolchain" |
55 | } |
56 | |
57 | custom_services() |
58 | { |
59 | local cmd="$1" |
60 | local services="$2" |
61 | local systemdcmd |
62 | |
63 | case ${cmd} in |
64 | add|del|default) |
65 | # add given services from profile |
66 | if [[ -n ${services} ]] |
67 | then |
68 | local i |
69 | for i in ${services} |
70 | do |
71 | # systemd |
72 | if [[ -x ${CDCHROOTDIR}/sbin/systemctl ]] |
73 | then |
74 | case ${cmd} in |
75 | add) chroot ${CDCHROOTDIR} systemctl enable ${i} ;; |
76 | del) chroot ${CDCHROOTDIR} systemctl disable ${i} ;; |
77 | esac |
78 | fi |
79 | # busybox and sysvinit |
80 | if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]] |
81 | then |
82 | MROOT="${CDCHROOTDIR}" rc-config ${cmd} ${i} || die "rc ${cmd} ${i}" |
83 | fi |
84 | done |
85 | fi |
86 | ;; |
87 | *) die "custom_services: unkown command ${cmd}";; |
88 | esac |
89 | } |
90 | |
91 | add_initrc() |
92 | { |
93 | local var="$1" |
94 | |
95 | # sanity checks |
96 | [[ -z ${CDCHROOTDIR} ]] && die "\$CDCHROOTDIR not given." |
97 | echo "${var}" >> ${CDCHROOTDIR}/.installrc || die "add_initrc() adding \$var" |
98 | } |
99 | |
100 | custom_packages() |
101 | { |
102 | local cmd="$1" |
103 | local packages="$2" |
104 | |
105 | case ${cmd} in |
106 | install|uninstall) |
107 | if [[ -n ${packages} ]] |
108 | then |
109 | :> ${CDCHROOTDIR}/.installrc |
110 | |
111 | # respect proxies |
112 | [[ -n ${http_proxy} ]] && add_initrc "export http_proxy=${http_proxy}" |
113 | [[ -n ${ftp_proxy} ]] && add_initrc "export ftp_proxy=${ftp_proxy}" |
114 | [[ -n ${no_proxy} ]] && add_initrc "export no_proxy=${no_proxy}" |
115 | |
116 | # do not auto-start any services! |
117 | add_initrc "export MAGE_BOOTSTRAP=true" |
118 | add_initrc 'die() { if [ $? -eq 1 ]; then echo "ERROR: $@"; exit 1; fi; }' |
119 | |
120 | local i |
121 | for i in ${packages} |
122 | do |
123 | add_initrc "mage ${cmd} ${i} || die ${i}" |
124 | done |
125 | add_initrc "mage clean" |
126 | |
127 | # now run the .installrc script |
128 | mount -t proc proc ${CDCHROOTDIR}/proc || die "mount proc" |
129 | mount -t sysfs sysfs ${CDCHROOTDIR}/sys || die "mount sys" |
130 | mount -o bind /dev ${CDCHROOTDIR}/dev || die "mount dev" |
131 | chroot ${CDCHROOTDIR} /bin/bash -i /.installrc || die "chr00ting" |
132 | umount ${CDCHROOTDIR}/dev || die "umount dev" |
133 | umount ${CDCHROOTDIR}/proc || die "umount proc" |
134 | umount ${CDCHROOTDIR}/sys || die "umount sys" |
135 | [ -f ${CDCHROOTDIR}/.installrc ] && rm ${CDCHROOTDIR}/.installrc |
136 | fi |
137 | ;; |
138 | *) die "custom_packages: unkown command ${cmd}";; |
139 | esac |
140 | } |
141 | |
142 | read_config() |
143 | { |
144 | local file="$1" |
145 | local pkg |
146 | |
147 | ( cat ${file}; echo ) | while read pkg |
148 | do |
149 | case "${pkg}" in |
150 | \#*|"") continue ;; |
151 | esac |
152 | echo "${pkg}" |
153 | done |
154 | } |
155 | |
156 | prepare_iso() |
157 | { |
158 | echo Preparing LiveCD ISO Image ... |
159 | |
160 | # fixes some issues with xfree/xorg xkb |
161 | if [[ -L ${CDCHROOTDIR}/etc/X11/xkb ]] && [[ -d /usr/X11R6/lib/X11/xkb ]] |
162 | then |
163 | rm ${CDCHROOTDIR}/etc/X11/xkb || die |
164 | mv ${CDCHROOTDIR}/usr/X11R6/lib/X11/xkb ${CDCHROOTDIR}/etc/X11 || die |
165 | ln -s ../../../../etc/X11/xkb ${CDCHROOTDIR}/usr/X11R6/lib/X11/xkb || die |
166 | fi |
167 | |
168 | # only on sysvinit or busybox systems |
169 | if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]] |
170 | then |
171 | install -m 0644 $(get_profile inittab) ${CDCHROOTDIR}/etc/inittab || die |
172 | fi |
173 | install -m 0644 $(get_profile fstab) ${CDCHROOTDIR}/etc/fstab || die |
174 | install -m 0644 $(get_profile motd) ${CDCHROOTDIR}/etc/motd || die |
175 | install -m 0644 $(get_profile issue) ${CDCHROOTDIR}/etc/issue || die |
176 | install -m 0644 $(get_profile net.eth0) ${CDCHROOTDIR}/etc/conf.d/net.eth0 || die |
177 | echo "${CDHOSTNAME}" > ${CDCHROOTDIR}/etc/hostname || die |
178 | |
179 | echo Setting up services ... |
180 | |
181 | # # add hardware detection |
182 | # if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]] |
183 | # then |
184 | # MROOT="${CDCHROOTDIR}" rc-config add hwdetect || die "rc add hwdetect" |
185 | # fi |
186 | |
187 | # del checkfs |
188 | if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]] |
189 | then |
190 | MROOT="${CDCHROOTDIR}" rc-config del checkfs || die "rc del checkfs" |
191 | fi |
192 | |
193 | # add custom packages |
194 | [[ -n ${ADD_PACKAGES} ]] && custom_packages install "${ADD_PACKAGES}" |
195 | [ -f $(get_profile add_packages) ] && custom_packages install "$(read_config $(get_profile add_packages))" |
196 | |
197 | # del custom packages |
198 | [[ -n ${DEL_PACKAGES} ]] && custom_packages uninstall "${DEL_PACKAGES}" |
199 | [ -f $(get_profile del_packages) ] && custom_packages uninstall "$(read_config $(get_profile del_packages))" |
200 | |
201 | # add given services from profile |
202 | [[ -n ${ADD_SERVICES} ]] && custom_services add "${ADD_SERVICES}" |
203 | [ -f $(get_profile add_services) ] && custom_services add "$(read_config $(get_profile add_services))" |
204 | |
205 | # del given services from profile |
206 | [[ -n ${DEL_SERVICES} ]] && custom_services del "${DEL_SERVICES}" |
207 | [ -f $(get_profile del_services) ] && custom_services del "$(read_config $(get_profile del_services))" |
208 | |
209 | # setup default runlevel |
210 | [[ -n ${DEFAULT_RUNLEVEL} ]] && custom_services default "${DEFAULT_RUNLEVEL}" |
211 | |
212 | if [ -f $(get_profile prepare_custom) ] |
213 | then |
214 | echo Running custom user script ... |
215 | source $(get_profile prepare_custom) || die "running custom user script" |
216 | fi |
217 | |
218 | echo Cleaning unwanted files ... |
219 | # do this only if not a symlink! |
220 | if [[ ! -L ${CDCHROOTDIR}/etc/mtab ]] |
221 | then |
222 | :> ${CDCHROOTDIR}/etc/mtab || die "whiping /etc/mtab" |
223 | fi |
224 | [ -f ${CDCHROOTDIR}/root/.bash_history ] && rm ${CDCHROOTDIR}/root/.bash_history |
225 | } |
226 | |
227 | generate_rootfs() |
228 | { |
229 | local loopdev |
230 | local size |
231 | |
232 | if [ -f ${LIVECDROOT}/loop/LiveOS/ext3fs.img ] |
233 | then |
234 | rm ${LIVECDROOT}/loop/LiveOS/ext3fs.img || die |
235 | fi |
236 | if [ -f ${CDISOROOT}/LiveOS/squashfs.img ] |
237 | then |
238 | rm ${CDISOROOT}/LiveOS/squashfs.img |
239 | fi |
240 | if [ -f ${CDISOROOT}/livecdrootfs.sqsh ] |
241 | then |
242 | rm ${CDISOROOT}/livecdrootfs.sqsh |
243 | fi |
244 | |
245 | echo Generating squashfs compressed rootfs loopfile ... |
246 | if [[ -x ${CDCHROOTDIR}/sbin/dracut ]] |
247 | then |
248 | install -d ${LIVECDROOT}/loop/{LiveOS,mnt} || die |
249 | |
250 | # get the actual size of the chroot |
251 | size=$(du -s chroot | sed 's:^\(.*\)[[:space:]].*:\1:') |
252 | |
253 | # generate a ext3fs file for devicemapper |
254 | dd if=/dev/zero of=${LIVECDROOT}/loop/LiveOS/ext3fs.img bs=1024 count=$(( ${size} + 10 )) || die |
255 | # create a filesystem |
256 | mkfs.ext3 -L "_${CDID}_EXT3" -m 1 -b 1024 -F ${LIVECDROOT}/loop/LiveOS/ext3fs.img || die |
257 | # set mount_counts and check_intervals to 0 |
258 | # set dir_index top, to speed up thing with hashed b-trees |
259 | # allow acls too |
260 | tune2fs -c0 -i0 -Odir_index -ouser_xattr,acl ${LIVECDROOT}/loop/LiveOS/ext3fs.img || die |
261 | |
262 | # losetup the device |
263 | loopdev=$(losetup -f) |
264 | [[ -z ${loopdev} ]] && die "No unused loopdev found. Maybe you want 'modprobe loop'?" |
265 | |
266 | # mount the image |
267 | losetup ${loopdev} ${LIVECDROOT}/loop/LiveOS/ext3fs.img || die |
268 | mount ${loopdev} ${LIVECDROOT}/loop/mnt || die |
269 | |
270 | # copy everything to the image file and preserve permissions |
271 | ( cd ${CDCHROOTDIR} && tar cpf - . ) | ( cd ${LIVECDROOT}/loop/mnt && tar xvpf - ) |
272 | |
273 | # now umount everything and create the squashfs image |
274 | umount ${LIVECDROOT}/loop/mnt || die |
275 | losetup -d ${loopdev} || die |
276 | # remove mount to not ending up in the squashfs image |
277 | if [[ -d ${LIVECDROOT}/loop/mnt ]] |
278 | then |
279 | rm -r ${LIVECDROOT}/loop/mnt || die |
280 | fi |
281 | mksquashfs ${LIVECDROOT}/loop ${LIVECDROOT}/livecdrootfs.sqsh || die |
282 | |
283 | # final cleanup |
284 | if [[ -d ${LIVECDROOT}/loop ]] |
285 | then |
286 | rm -r ${LIVECDROOT}/loop || die |
287 | fi |
288 | else |
289 | mksquashfs ${CDCHROOTDIR} ${LIVECDROOT}/livecdrootfs.sqsh || die |
290 | fi |
291 | |
292 | echo Moving rootfs loopfile to isoroot ... |
293 | install -d ${CDISOROOT} |
294 | if [[ -x ${CDCHROOTDIR}/sbin/dracut ]] |
295 | then |
296 | install -d ${CDISOROOT}/LiveOS |
297 | mv ${LIVECDROOT}/livecdrootfs.sqsh ${CDISOROOT}/LiveOS/squashfs.img |
298 | else |
299 | mv ${LIVECDROOT}/livecdrootfs.sqsh ${CDISOROOT} |
300 | fi |
301 | } |
302 | |
303 | install_bootloader() |
304 | { |
305 | echo Installing Bootloader ... |
306 | |
307 | # iso linux binary |
308 | install -d ${CDISOROOT}/isolinux |
309 | install ${ISOLINUX_BIN} ${CDISOROOT}/isolinux || die |
310 | |
311 | # kernel |
312 | local kimg="$(basename $(readlink ${CDCHROOTDIR}/boot/vmlinuz))" |
313 | install ${CDCHROOTDIR}/boot/${kimg} ${CDISOROOT}/isolinux/${CDKERNELNAME} || die |
314 | |
315 | install -m 0644 $(get_profile isolinux.cfg) ${CDISOROOT}/isolinux || die |
316 | install -m 0644 $(get_profile boot.lss) ${CDISOROOT}/isolinux || die |
317 | install -m 0644 $(get_profile boot.msg) ${CDISOROOT}/isolinux || die |
318 | install -m 0644 $(get_profile help.msg) ${CDISOROOT}/isolinux || die |
319 | |
320 | return 0 |
321 | } |
322 | |
323 | generate_initrd() |
324 | { |
325 | local CHROOTSH="$(mktemp -p ${CDCHROOTDIR})" |
326 | |
327 | is_loc_mounted "${CDCHROOTDIR}/sys" || mount -t sysfs sysfs ${CDCHROOTDIR}/sys |
328 | is_loc_mounted "${CDCHROOTDIR}/proc" || mount -t proc proc ${CDCHROOTDIR}/proc |
329 | is_loc_mounted "${CDCHROOTDIR}/dev" || mount -o bind /dev ${CDCHROOTDIR}/dev |
330 | |
331 | echo Generating initrd image ... |
332 | echo '#!/bin/bash' > ${CHROOTSH} || die |
333 | echo 'export LC_ALL=C' >> ${CHROOTSH} || die |
334 | echo 'kv="$(readlink /boot/vmlinuz)"' >> ${CHROOTSH} || die |
335 | echo 'kv="${kv/kernel-}/"' >> ${CHROOTSH} || die |
336 | # prefer dracut |
337 | echo 'if [[ -x /sbin/dracut ]]' >> ${CHROOTSH} || die |
338 | echo 'then' >> ${CHROOTSH} || die |
339 | echo ' dracut -v -f /initrd.gz ${kv}' >> ${CHROOTSH} || die |
340 | echo 'else' >> ${CHROOTSH} || die |
341 | echo ' mkinitrd-livecd -f --initramfs /initrd.gz ${kv}' >> ${CHROOTSH} || die |
342 | echo 'fi' >> ${CHROOTSH} || die |
343 | chmod +x ${CHROOTSH} || die |
344 | chroot ${CDCHROOTDIR} /$(basename ${CHROOTSH}) || die |
345 | [[ -f ${CHROOTSH} ]] && rm ${CHROOTSH} || die |
346 | |
347 | is_loc_mounted "${CDCHROOTDIR}/dev" && umount ${CDCHROOTDIR}/dev |
348 | is_loc_mounted "${CDCHROOTDIR}/proc" && umount ${CDCHROOTDIR}/proc |
349 | is_loc_mounted "${CDCHROOTDIR}/sys" && umount ${CDCHROOTDIR}/sys |
350 | |
351 | # move initrd to isoroot |
352 | install -d ${CDISOROOT}/isolinux || die |
353 | mv ${CDCHROOTDIR}/initrd.gz ${CDISOROOT}/isolinux || die |
354 | } |
355 | |
356 | generate_iso() |
357 | { |
358 | echo Generating ISO Image ... |
359 | install -d ${CDISOROOT} |
360 | pushd ${CDISOROOT} && |
361 | mkisofs -rock \ |
362 | -full-iso9660-filenames \ |
363 | -allow-leading-dots \ |
364 | -disable-deep-relocation \ |
365 | -output ${LIVECDROOT}/${CDISONAME} \ |
366 | -eltorito-boot isolinux/isolinux.bin \ |
367 | -eltorito-catalog isolinux/boot.cat \ |
368 | -no-emul-boot \ |
369 | -boot-load-size 4 \ |
370 | -boot-info-table \ |
371 | -volid "${CDID}" \ |
372 | ${CDISOROOT} #&> /dev/null |
373 | popd |
374 | } |
375 | |
376 | enter_livecd() |
377 | { |
378 | is_loc_mounted "${CDCHROOTDIR}/sys" || mount -t sysfs sysfs ${CDCHROOTDIR}/sys |
379 | is_loc_mounted "${CDCHROOTDIR}/proc" || mount -t proc proc ${CDCHROOTDIR}/proc |
380 | is_loc_mounted "${CDCHROOTDIR}/dev" || mount -o bind /dev ${CDCHROOTDIR}/dev |
381 | |
382 | chroot ${CDCHROOTDIR} \ |
383 | /usr/bin/env -i \ |
384 | HOME=/root \ |
385 | TERM=$TERM PS1='\u:\w\$ ' \ |
386 | PATH=/bin:/usr/bin:/sbin:/usr/sbin \ |
387 | http_proxy=${http_proxy} \ |
388 | ftp_proxy=${ftp_proxy} \ |
389 | no_proxy=${no_proxy} \ |
390 | /bin/bash -i |
391 | |
392 | is_loc_mounted "${CDCHROOTDIR}/dev" && umount ${CDCHROOTDIR}/dev |
393 | is_loc_mounted "${CDCHROOTDIR}/proc" && umount ${CDCHROOTDIR}/proc |
394 | is_loc_mounted "${CDCHROOTDIR}/sys" && umount ${CDCHROOTDIR}/sys |
395 | } |
396 | |
397 | is_loc_mounted() |
398 | { |
399 | local filesys |
400 | local i |
401 | filesys=$1 |
402 | |
403 | i="$(cat /proc/mounts | grep " ${filesys} " | cut -d ' ' -f2)" |
404 | [[ ${i} != ${filesys} ]] && return 1 |
405 | |
406 | return 0 |
407 | } |
408 | |
409 | trap_exit() |
410 | { |
411 | is_loc_mounted "${CDCHROOTDIR}/dev" && umount ${CDCHROOTDIR}/dev |
412 | is_loc_mounted "${CDCHROOTDIR}/proc" && umount ${CDCHROOTDIR}/proc |
413 | is_loc_mounted "${CDCHROOTDIR}/sys" && umount ${CDCHROOTDIR}/sys |
414 | } |
415 | |
416 | usage() |
417 | { |
418 | echo "Usage: $(basename $0) [command] [profile] ..." |
419 | echo |
420 | echo "Commands:" |
421 | echo " bootstrap - bootstraps the rootfs for the livecd" |
422 | echo " prepare - prepare the rootfs to run from a livecd" |
423 | echo " rootfs - generates the squashfs rootfs image" |
424 | echo " initrd - generates a livecd suitable initrd" |
425 | echo " bootloader - installs the bootloader" |
426 | echo " isogen - generate the final livecd iso image" |
427 | echo " all - runs all tasks to get a livecd from zero" |
428 | echo " enter - enters the rootfs of a livecd" |
429 | echo |
430 | echo " for example '$(basename $0) all default'" |
431 | echo " creates a livecd using the default profile." |
432 | echo |
433 | } |
434 | |
435 | # set some proper traps |
436 | trap "trap_exit" SIGINT SIGQUIT |
437 | |
438 | # source profile config - overrides all other vars |
439 | [ -f ${PROFILES_DIR}/${CDPROFILE}/config ] && . ${PROFILES_DIR}/${CDPROFILE}/config |
440 | |
441 | case $1 in |
442 | bootstrap) bootstrap_system;; |
443 | prepare) prepare_iso;; |
444 | rootfs) generate_rootfs;; |
445 | initrd) generate_initrd;; |
446 | bootloader) install_bootloader;; |
447 | isogen) generate_iso;; |
448 | all) |
449 | bootstrap_system |
450 | prepare_iso |
451 | generate_rootfs |
452 | generate_initrd |
453 | install_bootloader |
454 | generate_iso |
455 | ;; |
456 | enter) enter_livecd ;; |
457 | *|'') usage;; |
458 | esac |