Contents of /trunk/mlivecdbuild/mlivecdbuild2.sh
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Fri Jul 29 11:14:07 2011 UTC (13 years, 2 months ago) by niro
File MIME type: application/x-sh
File size: 13507 byte(s)
Fri Jul 29 11:14:07 2011 UTC (13 years, 2 months ago) by niro
File MIME type: application/x-sh
File size: 13507 byte(s)
-check for lock group existance on systemd systems
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 | # 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 | 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 | install -m 0644 $(get_profile net.eth0) ${CDCHROOTDIR}/etc/conf.d/net.eth0 || die |
188 | echo "${CDHOSTNAME}" > ${CDCHROOTDIR}/etc/hostname || die |
189 | |
190 | echo Setting up services ... |
191 | |
192 | # # add hardware detection |
193 | # if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]] |
194 | # then |
195 | # MROOT="${CDCHROOTDIR}" rc-config add hwdetect || die "rc add hwdetect" |
196 | # fi |
197 | |
198 | # del checkfs |
199 | if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]] |
200 | then |
201 | MROOT="${CDCHROOTDIR}" rc-config del checkfs || die "rc del checkfs" |
202 | fi |
203 | |
204 | # 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 | echo Cleaning unwanted files ... |
230 | # 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 | [ -f ${CDCHROOTDIR}/root/.bash_history ] && rm ${CDCHROOTDIR}/root/.bash_history |
236 | } |
237 | |
238 | generate_rootfs() |
239 | { |
240 | 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 | echo Generating squashfs compressed rootfs loopfile ... |
257 | if [[ -x ${CDCHROOTDIR}/sbin/dracut ]] |
258 | then |
259 | install -d ${LIVECDROOT}/loop/{LiveOS,mnt} || die |
260 | |
261 | # get the actual size of the chroot |
262 | size=$(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 | echo Moving rootfs loopfile to isoroot ... |
304 | install -d ${CDISOROOT} |
305 | 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 | } |
313 | |
314 | install_bootloader() |
315 | { |
316 | echo Installing Bootloader ... |
317 | |
318 | # iso linux binary |
319 | install -d ${CDISOROOT}/isolinux |
320 | install ${ISOLINUX_BIN} ${CDISOROOT}/isolinux || die |
321 | |
322 | # kernel |
323 | local kimg="$(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 ${CDCHROOTDIR})" |
337 | |
338 | is_loc_mounted "${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 | echo Generating initrd image ... |
343 | echo '#!/bin/bash' > ${CHROOTSH} || die |
344 | echo 'export LC_ALL=C' >> ${CHROOTSH} || die |
345 | echo 'kv="$(readlink /boot/vmlinuz)"' >> ${CHROOTSH} || die |
346 | echo 'kv="${kv/kernel-}/"' >> ${CHROOTSH} || die |
347 | # 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 | chmod +x ${CHROOTSH} || die |
355 | chroot ${CDCHROOTDIR} /$(basename ${CHROOTSH}) || die |
356 | [[ -f ${CHROOTSH} ]] && rm ${CHROOTSH} || die |
357 | |
358 | is_loc_mounted "${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 | # 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 | ${CDISOROOT} #&> /dev/null |
384 | popd |
385 | } |
386 | |
387 | enter_livecd() |
388 | { |
389 | is_loc_mounted "${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 | |
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 | http_proxy=${http_proxy} \ |
399 | ftp_proxy=${ftp_proxy} \ |
400 | no_proxy=${no_proxy} \ |
401 | /bin/bash -i |
402 | |
403 | is_loc_mounted "${CDCHROOTDIR}/dev" && umount ${CDCHROOTDIR}/dev |
404 | is_loc_mounted "${CDCHROOTDIR}/proc" && umount ${CDCHROOTDIR}/proc |
405 | is_loc_mounted "${CDCHROOTDIR}/sys" && umount ${CDCHROOTDIR}/sys |
406 | } |
407 | |
408 | 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 | usage() |
428 | { |
429 | echo "Usage: $(basename $0) [command] [profile] ..." |
430 | echo |
431 | echo "Commands:" |
432 | echo " bootstrap - bootstraps the rootfs for the livecd" |
433 | echo " prepare - prepare the rootfs to run from a livecd" |
434 | echo " rootfs - generates the squashfs rootfs image" |
435 | echo " initrd - generates a livecd suitable initrd" |
436 | echo " bootloader - installs the bootloader" |
437 | echo " isogen - generate the final livecd iso image" |
438 | echo " all - runs all tasks to get a livecd from zero" |
439 | echo " enter - enters the rootfs of a livecd" |
440 | echo |
441 | echo " for example '$(basename $0) all default'" |
442 | echo " creates a livecd using the default profile." |
443 | echo |
444 | } |
445 | |
446 | # set some proper traps |
447 | trap "trap_exit" SIGINT SIGQUIT |
448 | |
449 | # source profile config - overrides all other vars |
450 | [ -f ${PROFILES_DIR}/${CDPROFILE}/config ] && . ${PROFILES_DIR}/${CDPROFILE}/config |
451 | |
452 | 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 | generate_iso |
466 | ;; |
467 | enter) enter_livecd ;; |
468 | *|'') usage;; |
469 | esac |