Contents of /trunk/mlivecdbuild/mlivecdbuild2.sh
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Sun Jun 5 02:31:52 2011 UTC (13 years, 3 months ago) by niro
File MIME type: application/x-sh
File size: 9157 byte(s)
Sun Jun 5 02:31:52 2011 UTC (13 years, 3 months ago) by niro
File MIME type: application/x-sh
File size: 9157 byte(s)
-be multilib friendly
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 | |
62 | case ${cmd} in |
63 | add|del|default) |
64 | # add given services from profile |
65 | if [[ -n ${services} ]] |
66 | then |
67 | local i |
68 | for i in ${services} |
69 | do |
70 | MROOT="${CDCHROOTDIR}" rc-config ${cmd} ${i} || die "rc ${cmd} ${i}" |
71 | done |
72 | fi |
73 | ;; |
74 | *) die "custom_services: unkown command ${cmd}";; |
75 | esac |
76 | } |
77 | |
78 | add_initrc() |
79 | { |
80 | local var="$1" |
81 | |
82 | # sanity checks |
83 | [[ -z ${CDCHROOTDIR} ]] && die "\$CDCHROOTDIR not given." |
84 | echo "${var}" >> ${CDCHROOTDIR}/.installrc || die "add_initrc() adding \$var" |
85 | } |
86 | |
87 | custom_packages() |
88 | { |
89 | local cmd="$1" |
90 | local packages="$2" |
91 | |
92 | case ${cmd} in |
93 | install|uninstall) |
94 | if [[ -n ${packages} ]] |
95 | then |
96 | :> ${CDCHROOTDIR}/.installrc |
97 | |
98 | # respect proxies |
99 | [[ -n ${http_proxy} ]] && add_initrc "export http_proxy=${http_proxy}" |
100 | [[ -n ${ftp_proxy} ]] && add_initrc "export ftp_proxy=${ftp_proxy}" |
101 | [[ -n ${no_proxy} ]] && add_initrc "export no_proxy=${no_proxy}" |
102 | |
103 | # do not auto-start any services! |
104 | add_initrc "export MAGE_BOOTSTRAP=true" |
105 | add_initrc 'die() { if [ $? -eq 1 ]; then echo "ERROR: $@"; exit 1; fi; }' |
106 | |
107 | local i |
108 | for i in ${packages} |
109 | do |
110 | add_initrc "mage ${cmd} ${i} || die ${i}" |
111 | done |
112 | add_initrc "mage clean" |
113 | |
114 | # now run the .installrc script |
115 | mount -t proc proc ${CDCHROOTDIR}/proc || die "mount proc" |
116 | mount -t sysfs sysfs ${CDCHROOTDIR}/sys || die "mount sys" |
117 | mount -o bind /dev ${CDCHROOTDIR}/dev || die "mount dev" |
118 | chroot ${CDCHROOTDIR} /bin/bash -i /.installrc || die "chr00ting" |
119 | umount ${CDCHROOTDIR}/dev || die "umount dev" |
120 | umount ${CDCHROOTDIR}/proc || die "umount proc" |
121 | umount ${CDCHROOTDIR}/sys || die "umount sys" |
122 | [ -f ${CDCHROOTDIR}/.installrc ] && rm ${CDCHROOTDIR}/.installrc |
123 | fi |
124 | ;; |
125 | *) die "custom_packages: unkown command ${cmd}";; |
126 | esac |
127 | } |
128 | |
129 | read_config() |
130 | { |
131 | local file="$1" |
132 | local pkg |
133 | |
134 | ( cat ${file}; echo ) | while read pkg |
135 | do |
136 | case "${pkg}" in |
137 | \#*|"") continue ;; |
138 | esac |
139 | echo "${pkg}" |
140 | done |
141 | } |
142 | |
143 | prepare_iso() |
144 | { |
145 | echo Preparing LiveCD ISO Image ... |
146 | |
147 | # fixes some issues with xfree/xorg xkb |
148 | if [[ -L ${CDCHROOTDIR}/etc/X11/xkb ]] && [[ -d /usr/X11R6/lib/X11/xkb ]] |
149 | then |
150 | rm ${CDCHROOTDIR}/etc/X11/xkb || die |
151 | mv ${CDCHROOTDIR}/usr/X11R6/lib/X11/xkb ${CDCHROOTDIR}/etc/X11 || die |
152 | ln -s ../../../../etc/X11/xkb ${CDCHROOTDIR}/usr/X11R6/lib/X11/xkb || die |
153 | fi |
154 | |
155 | install -m 0644 $(get_profile inittab) ${CDCHROOTDIR}/etc/inittab || die |
156 | install -m 0644 $(get_profile fstab) ${CDCHROOTDIR}/etc/fstab || die |
157 | install -m 0644 $(get_profile motd) ${CDCHROOTDIR}/etc/motd || die |
158 | install -m 0644 $(get_profile issue) ${CDCHROOTDIR}/etc/issue || die |
159 | install -m 0644 $(get_profile net.eth0) ${CDCHROOTDIR}/etc/conf.d/net.eth0 || die |
160 | echo "${CDHOSTNAME}" > ${CDCHROOTDIR}/etc/hostname || die |
161 | |
162 | echo Setting up services ... |
163 | |
164 | # # add hardware detection |
165 | # MROOT="${CDCHROOTDIR}" rc-config add hwdetect || die "rc add hwdetect" |
166 | |
167 | # del checkfs |
168 | MROOT="${CDCHROOTDIR}" rc-config del checkfs || die "rc del checkfs" |
169 | |
170 | # add custom packages |
171 | [[ -n ${ADD_PACKAGES} ]] && custom_packages install "${ADD_PACKAGES}" |
172 | [ -f $(get_profile add_packages) ] && custom_packages install "$(read_config $(get_profile add_packages))" |
173 | |
174 | # del custom packages |
175 | [[ -n ${DEL_PACKAGES} ]] && custom_packages uninstall "${DEL_PACKAGES}" |
176 | [ -f $(get_profile del_packages) ] && custom_packages uninstall "$(read_config $(get_profile del_packages))" |
177 | |
178 | # add given services from profile |
179 | [[ -n ${ADD_SERVICES} ]] && custom_services add "${ADD_SERVICES}" |
180 | [ -f $(get_profile add_services) ] && custom_services add "$(read_config $(get_profile add_services))" |
181 | |
182 | # del given services from profile |
183 | [[ -n ${DEL_SERVICES} ]] && custom_services del "${DEL_SERVICES}" |
184 | [ -f $(get_profile del_services) ] && custom_services del "$(read_config $(get_profile del_services))" |
185 | |
186 | # setup default runlevel |
187 | [[ -n ${DEFAULT_RUNLEVEL} ]] && custom_services default "${DEFAULT_RUNLEVEL}" |
188 | |
189 | if [ -f $(get_profile prepare_custom) ] |
190 | then |
191 | echo Running custom user script ... |
192 | source $(get_profile prepare_custom) || die "running custom user script" |
193 | fi |
194 | |
195 | echo Cleaning unwanted files ... |
196 | :> ${CDCHROOTDIR}/etc/mtab || die "whiping /etc/mtab" |
197 | [ -f ${CDCHROOTDIR}/root/.bash_history ] && rm ${CDCHROOTDIR}/root/.bash_history |
198 | } |
199 | |
200 | generate_rootfs() |
201 | { |
202 | echo Generating squashfs compressed rootfs loopfile ... |
203 | mksquashfs ${CDCHROOTDIR} ${LIVECDROOT}/livecdrootfs.sqsh #>/dev/null 2>&1 |
204 | |
205 | echo Moving rootfs loopfile to isoroot ... |
206 | install -d ${CDISOROOT} |
207 | mv ${LIVECDROOT}/livecdrootfs.sqsh ${CDISOROOT} |
208 | } |
209 | |
210 | install_bootloader() |
211 | { |
212 | echo Installing Bootloader ... |
213 | |
214 | # iso linux binary |
215 | install -d ${CDISOROOT}/isolinux |
216 | install ${ISOLINUX_BIN} ${CDISOROOT}/isolinux || die |
217 | |
218 | # kernel |
219 | local kimg="$(basename $(readlink ${CDCHROOTDIR}/boot/vmlinuz))" |
220 | install ${CDCHROOTDIR}/boot/${kimg} ${CDISOROOT}/isolinux/${CDKERNELNAME} || die |
221 | |
222 | install -m 0644 $(get_profile isolinux.cfg) ${CDISOROOT}/isolinux || die |
223 | install -m 0644 $(get_profile boot.lss) ${CDISOROOT}/isolinux || die |
224 | install -m 0644 $(get_profile boot.msg) ${CDISOROOT}/isolinux || die |
225 | install -m 0644 $(get_profile help.msg) ${CDISOROOT}/isolinux || die |
226 | |
227 | return 0 |
228 | } |
229 | |
230 | generate_initrd() |
231 | { |
232 | local CHROOTSH="$(mktemp -p ${CDCHROOTDIR})" |
233 | |
234 | echo Generating initrd image ... |
235 | echo '#!/bin/bash' > ${CHROOTSH} || die |
236 | echo 'kv="$(readlink /boot/vmlinuz)"' >> ${CHROOTSH} || die |
237 | echo 'kv="${kv/kernel-}/"' >> ${CHROOTSH} || die |
238 | echo 'mkinitrd-livecd -f --initramfs /initrd.gz ${kv}' >> ${CHROOTSH} || die |
239 | chmod +x ${CHROOTSH} || die |
240 | chroot ${CDCHROOTDIR} /$(basename ${CHROOTSH}) || die |
241 | [[ -f ${CHROOTSH} ]] && rm ${CHROOTSH} || die |
242 | |
243 | # move initrd to isoroot |
244 | install -d ${CDISOROOT}/isolinux || die |
245 | mv ${CDCHROOTDIR}/initrd.gz ${CDISOROOT}/isolinux || die |
246 | } |
247 | |
248 | generate_iso() |
249 | { |
250 | echo Generating ISO Image ... |
251 | install -d ${CDISOROOT} |
252 | pushd ${CDISOROOT} && |
253 | mkisofs -rock \ |
254 | -full-iso9660-filenames \ |
255 | -allow-leading-dots \ |
256 | -disable-deep-relocation \ |
257 | -output ${LIVECDROOT}/${CDISONAME} \ |
258 | -eltorito-boot isolinux/isolinux.bin \ |
259 | -eltorito-catalog isolinux/boot.cat \ |
260 | -no-emul-boot \ |
261 | -boot-load-size 4 \ |
262 | -boot-info-table \ |
263 | -volid "${CDID}" \ |
264 | ${CDISOROOT} #&> /dev/null |
265 | popd |
266 | } |
267 | |
268 | enter_livecd() |
269 | { |
270 | mount -t sysfs sysfs ${CDCHROOTDIR}/sys |
271 | mount -t proc proc ${CDCHROOTDIR}/proc |
272 | mount -o bind /dev ${CDCHROOTDIR}/dev |
273 | |
274 | chroot ${CDCHROOTDIR} \ |
275 | /usr/bin/env -i \ |
276 | HOME=/root \ |
277 | TERM=$TERM PS1='\u:\w\$ ' \ |
278 | PATH=/bin:/usr/bin:/sbin:/usr/sbin \ |
279 | http_proxy=${http_proxy} \ |
280 | ftp_proxy=${ftp_proxy} \ |
281 | no_proxy=${no_proxy} \ |
282 | /bin/bash -i |
283 | |
284 | umount ${CDCHROOTDIR}/dev |
285 | umount ${CDCHROOTDIR}/proc |
286 | umount ${CDCHROOTDIR}/sys |
287 | } |
288 | |
289 | usage() |
290 | { |
291 | echo "Usage: $(basename $0) [command] [profile] ..." |
292 | echo |
293 | echo "Commands:" |
294 | echo " bootstrap - bootstraps the rootfs for the livecd" |
295 | echo " prepare - prepare the rootfs to run from a livecd" |
296 | echo " rootfs - generates the squashfs rootfs image" |
297 | echo " initrd - generates a livecd suitable initrd" |
298 | echo " bootloader - installs the bootloader" |
299 | echo " isogen - generate the final livecd iso image" |
300 | echo " all - runs all tasks to get a livecd from zero" |
301 | echo " enter - enters the rootfs of a livecd" |
302 | echo |
303 | echo " for example '$(basename $0) all default'" |
304 | echo " creates a livecd using the default profile." |
305 | echo |
306 | } |
307 | |
308 | # source profile config - overrides all other vars |
309 | [ -f ${PROFILES_DIR}/${CDPROFILE}/config ] && . ${PROFILES_DIR}/${CDPROFILE}/config |
310 | |
311 | case $1 in |
312 | bootstrap) bootstrap_system;; |
313 | prepare) prepare_iso;; |
314 | rootfs) generate_rootfs;; |
315 | initrd) generate_initrd;; |
316 | bootloader) install_bootloader;; |
317 | isogen) generate_iso;; |
318 | all) |
319 | bootstrap_system |
320 | prepare_iso |
321 | generate_rootfs |
322 | generate_initrd |
323 | install_bootloader |
324 | generate_iso |
325 | ;; |
326 | enter) enter_livecd ;; |
327 | *|'') usage;; |
328 | esac |