Magellan Linux

Annotation of /trunk/grubby/new-kernel-pkg

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Revision 1334 - (hide annotations) (download)
Fri Jun 3 20:56:30 2011 UTC (13 years, 5 months ago) by niro
File size: 13635 byte(s)
-be more dracut and plymouth friendly
1 niro 532 #!/bin/bash
2 niro 924 # $Id$
3 niro 532 #
4 niro 923 # new-kernel-pkg
5 niro 532 # Invoked upon installation or removal of a kernel package, the following
6     # tasks are/can be done here:
7     # creation/removal of initrd
8     # run of depmod/removal of depmod generated files
9     # addition/removal of kernel images from grub/lilo configuration (via grubby)
10     #
11 niro 923 # Copyright 2002-2008 Red Hat, Inc. All rights reserved.
12 niro 532 # modified for Magellan-Linux by Niels Rogalla <niro@magellan-linux.de>
13     #
14 niro 923 # This program is free software; you can redistribute it and/or modify
15     # it under the terms of the GNU General Public License as published by
16     # the Free Software Foundation; either version 2 of the License, or
17     # (at your option) any later version.
18     #
19     # This program is distributed in the hope that it will be useful,
20     # but WITHOUT ANY WARRANTY; without even the implied warranty of
21     # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22     # GNU General Public License for more details.
23     #
24     # You should have received a copy of the GNU General Public License
25     # along with this program. If not, see <http://www.gnu.org/licenses/>.
26     #
27 niro 532
28     PATH=/sbin:/bin:$PATH
29    
30     lilo=/sbin/lilo
31    
32     # some defaults that are sane for most arches
33     kernelName=kernel
34    
35 niro 924 if [ -x ./grubby ]
36     then
37     grubby=./grubby
38 niro 532 else
39 niro 924 grubby=/sbin/grubby
40 niro 532 fi
41    
42 niro 925 [ -f /etc/conf.d/grubby ] && . /etc/conf.d/grubby
43 niro 532
44     cfgGrub=""
45     cfgLilo=""
46     runLilo=""
47     grubConfig=""
48    
49     ARCH=$(uname -m)
50    
51 niro 924 if [[ ${ARCH} = ia64 ]]
52     then
53     liloConfig=/boot/efi/EFI/redhat/elilo.conf
54     bootPrefix=/boot/efi/EFI/redhat
55     liloFlag=elilo
56     isx86=""
57     elif [[ ${ARCH} = ppc64 ]] || [[ ${ARCH} = ppc ]]
58     then
59     liloConfig=/etc/yaboot.conf
60     bootPrefix=/boot
61     lilo=/sbin/ybin
62     liloFlag=yaboot
63     runLilo="yes"
64     isx86=""
65     elif [[ ${ARCH} = sparc ]] || [[ ${ARCH} = sparc64 ]]
66     then
67     liloConfig=/etc/silo.conf
68     bootPrefix=/boot
69     liloFlag=silo
70     lilo=/sbin/silo
71     isx86=""
72     elif [[ ${ARCH} = s390 ]] || [[ ${ARCH} = s390x ]]
73     then
74     liloConfig=/etc/zipl.conf
75     bootPrefix=/boot
76     liloFlag=zipl
77     lilo=/sbin/zipl
78     runLilo="yes"
79     isx86=""
80 niro 532 else
81 niro 924 # this leaves i?86 and x86_64
82     liloConfig=/etc/lilo.conf
83     grubConfig=/boot/grub/grub.conf
84     bootPrefix=/boot
85     liloFlag=lilo
86     isx86="yes"
87 niro 532 fi
88    
89     mode=""
90     version=""
91     initrd=""
92 niro 1334 dracut=""
93     dracuthostonly=""
94 niro 532 initrdfile=""
95     moddep=""
96     verbose=""
97     makedefault=""
98     package=""
99     mbkernel=""
100     mbargs=""
101 niro 1334 adddracutargs=""
102     addplymouthinitrd=""
103 niro 532
104 niro 924 usage()
105     {
106 niro 1334 echo "Usage: $(basename $0) [-v] [--mkinitrd] [--rminitrd] [--dracut]" >&2
107 niro 924 echo " [--initrdfile=<initrd-image>] [--depmod] [--rmmoddep]" >&2
108 niro 1305 echo " [--kernel-args=<args>] [--remove-args=<args>]" >&2
109 niro 924 echo " [--banner=<banner>] [--multiboot=multiboot]" >&2
110 niro 1334 echo " [--mbargs=mbargs] [--make-default] [--add-dracut-args]" >&2
111     echo " [--add-plymouth-initrd]" >&2
112     echo " [--host-only]" >&2
113 niro 924 echo " <--install | --remove | --update> <kernel-version>" >&2
114     echo " (ex: $(basename $0) --mkinitrd --depmod --install 2.4.7-2)" >&2
115     exit 1
116 niro 532 }
117    
118 niro 1305 run_grub2()
119     {
120     if [ -d /boot/grub2 -a -x /sbin/grub2-mkconfig ]
121     then
122     cp /boot/grub2/grub.cfg /boot/grub2/grub.cfg.old
123     /sbin/grub2-mkconfig -o /boot/grub2/grub.cfg
124     fi
125     }
126    
127 niro 924 install()
128     {
129     # XXX kernel should be able to be specified also (or work right on ia64)
130     if [ ! -f ${bootPrefix}/${kernelName}-${version} ]
131     then
132     [[ -n ${verbose} ]] && echo "kernel for ${version} does not exist, not running grubby"
133     return
134     fi
135 niro 923
136 niro 924 INITRD=""
137     if [ -f ${initrdfile} ]
138     then
139     [[ -n ${verbose} ]] && echo "found ${initrdfile} and using it with grubby"
140     INITRD="--initrd ${initrdfile}"
141 niro 1334
142     if [[ -n ${addplymouthinitrd} ]]
143     then
144     INITRD="${INITRD} --extra-initrd ${bootPrefix}/initrd-plymouth.img"
145     fi
146 niro 924 fi
147 niro 532
148 niro 924 # FIXME: is this a good heuristic to find out if we're on iSeries?
149     if [ -d /proc/iSeries ]
150     then
151     [[ -n ${verbose} ]] && echo "On an iSeries, just making img file"
152     if [[ -z ${initrdfile} ]]
153     then
154     [[ -n ${verbose} ]] && echo "No initrd, just adding system map"
155     /sbin/addSystemMap ${bootPrefix}/System.map-${version} ${bootPrefix}/${kernelName}-${version} ${bootPrefix}/vmlinitrd-${version}
156     else
157     /sbin/addSystemMap ${bootPrefix}/System.map-${version} ${bootPrefix}/${kernelName}-${version} ${bootPrefix}/vmlinux.sm-${version}
158     /sbin/addRamDisk ${initrdfile} ${bootPrefix}/System.map-${version} ${bootPrefix}/vmlinux.sm-${version} ${bootPrefix}/vmlinitrd-${version} 2>/dev/null
159     rm ${bootPrefix}/vmlinux.sm-${version}
160     fi
161     return
162 niro 532 fi
163    
164 niro 1305 # Run grub2's configuration update in parallel, if it is installed
165     run_grub2
166    
167 niro 924 # get the root filesystem to use
168     rootdevice=$(awk '{ if ($1 !~ /^[ \t]*#/ && $2 == "/") { print $1; }}' /etc/fstab)
169 niro 532
170 niro 924 if [[ -n ${mbkernel} ]] && [[ -n ${cfgLilo} ]] && [[ ${liloFlag} != elilo ]]
171     then
172     [[ -n ${verbose} ]] && echo "multiboot specified, not updating lilo.conf"
173     cfgLilo=""
174     fi
175 niro 532
176 niro 924 if [[ -n ${cfgGrub} ]]
177     then
178     [[ -n ${verbose} ]] && echo "adding ${version} to ${grubConfig}"
179 niro 532
180 niro 924 if [[ -n ${banner} ]]
181     then
182     title="${banner} (${version})"
183     elif [ -f /etc/mageversion ]
184     then
185     title="Magellan Linux $(< /etc/mageversion) (${version})"
186     else
187     title="Magellan Linux (${version})"
188     fi
189     ${grubby} --add-kernel=${bootPrefix}/${kernelName}-${version} \
190     ${INITRD} --copy-default ${makedefault} --title "${title}" \
191     ${mbkernel:+--add-multiboot="${mbkernel}"} ${mbargs:+--mbargs="${mbargs}"} \
192     --args="root=${rootdevice} ${kernargs}" --remove-kernel="TITLE=${title}"
193 niro 532 else
194 niro 924 [[ -n ${verbose} ]] && echo "${grubConfig} does not exist, not running grubby"
195 niro 532 fi
196    
197 niro 924 if [[ -n ${cfgLilo} ]]
198     then
199     [[ -n ${verbose} ]] && echo "adding ${version} to ${liloConfig}"
200 niro 532
201 niro 924 ${grubby} --add-kernel=${bootPrefix}/${kernelName}-${version} ${INITRD} \
202     --copy-default ${makedefault} --title ${version} \
203     ${mbkernel:+--add-multiboot="${mbkernel}"} ${mbargs:+--mbargs="${mbargs}"} \
204     --args="root=${rootdevice} ${kernargs}" --remove-kernel="TITLE=${version}" \
205     --${liloFlag}
206 niro 532
207 niro 924 if [[ -n ${runLilo} ]]
208     then
209     [[ -n ${verbose} ]] && echo "running ${lilo}"
210 niro 1305 if [ ! -x ${lilo} ]
211 niro 924 then
212     [[ -n ${verbose} ]] && echo "${lilo} does not exist"
213     else
214     ${lilo} > /dev/null
215     fi
216     fi
217     else
218     [[ -n ${verbose} ]] && echo "${liloConfig} does not exist, not running grubby"
219 niro 532 fi
220     }
221    
222 niro 924 remove()
223     {
224     # FIXME: is this a good heuristic to find out if we're on iSeries?
225     if [ -d /proc/iSeries ]
226     then
227     [[ -n ${verbose} ]] && echo "On an iSeries, remove img file"
228     rm -f ${bootPrefix}/${kernelName}-${version}.img 2>/dev/null
229     return
230     fi
231 niro 532
232 niro 1305 # Run grub2's configuration update in parallel, if it is installed
233     run_grub2
234    
235 niro 924 if [[ -n ${cfgGrub} ]]
236     then
237     [[ -n ${verbose} ]] && echo "removing ${version} from ${grubConfig}"
238     ${grubby} --remove-kernel=${bootPrefix}/${kernelName}-${version}
239     else
240     [[ -n ${verbose} ]] && echo "${grubConfig} does not exist, not running grubby"
241     fi
242 niro 532
243 niro 924 if [[ -n ${cfgLilo} ]]
244     then
245     [[ -n ${verbose} ]] && echo "removing ${version} from ${liloConfig}"
246 niro 1305 ${grubby} --remove-kernel=${bootPrefix}/${kernelName}-${version} --${liloFlag}
247 niro 532
248 niro 924 if [[ -n ${runLilo} ]]
249     then
250     [[ -n ${verbose} ]] && echo "running ${lilo}"
251     if [ ! -x ${lilo} ]
252     then
253     [[ -n ${verbose} ]] && echo "${lilo} does not exist"
254     else
255     ${lilo} > /dev/null
256     fi
257     fi
258     else
259     [[ -n ${verbose} ]] && echo "${liloConfig} does not exist, not running grubby"
260 niro 532 fi
261     }
262    
263 niro 924 update()
264     {
265 niro 1305 if [ ! -f ${bootPrefix}/${kernelName}-${version} ]
266     then
267     [[ -n ${verbose} ]] && echo "kernel for ${version} does not exist, not running grubby"
268     return
269     fi
270    
271     INITRD=""
272     if [ -f ${initrdfile} ]
273     then
274     [[ -n ${verbose} ]] && echo "found ${initrdfile} and using it with grubby"
275     INITRD="--initrd ${initrdfile}"
276 niro 1334
277     if [[ -n ${addplymouthinitrd} ]]
278     then
279     INITRD="${INITRD} --extra-initrd ${bootPrefix}/initrd-plymouth.img"
280     fi
281 niro 1305 fi
282    
283     # Run grub2's configuration update in parallel, if it is installed
284     run_grub2
285    
286 niro 924 if [[ -n ${cfgGrub} ]]
287     then
288     [[ -n ${verbose} ]] && echo "updating ${version} from ${grubConfig}"
289     ${grubby} --update-kernel=${bootPrefix}/${kernelName}-${version} \
290 niro 1305 ${INITRD} \
291 niro 924 ${kernargs:+--args="${kernargs}"} \
292     ${removeargs:+--remove-args="${removeargs}"}
293     else
294     [[ -n ${verbose} ]] && echo "${grubConfig} does not exist, not running grubby"
295     fi
296 niro 923
297 niro 924 if [[ -n ${cfgLilo} ]]
298     then
299     [[ -n ${verbose} ]] && echo "updating ${version} from ${liloConfig}"
300     ${grubby} --update-kernel=${bootPrefix}/${kernelName}-${version} \
301 niro 1305 ${INITRD} \
302 niro 924 ${kernargs:+--args="${kernargs}"} \
303     ${removeargs:+--remove-args="${removeargs}"} \
304     --${liloFlag}
305 niro 923
306 niro 924 if [[ -n ${runLilo} ]]
307     then
308     [[ -n ${verbose} ]] && echo "running ${lilo}"
309     if [ ! -x ${lilo} ]
310     then
311     [[ -n ${verbose} ]] && echo "${lilo} does not exist"
312     else
313     ${lilo} > /dev/null
314     fi
315     fi
316     else
317     [[ -n ${verbose} ]] && echo "${liloConfig} does not exist, not running grubby"
318 niro 923 fi
319     }
320    
321 niro 924 mkinitrd()
322     {
323 niro 1334 if [[ -n ${dracut} ]]
324     then
325     tool="/sbin/dracut ${dracuthostonly} -f ${initrdfile} ${version}"
326     else
327     tool="/sbin/mkinitrd --allow-missing -f ${initrdfile} ${version}"
328     fi
329 niro 924 [[ -n ${verbose} ]] && echo "creating initrd ${initrdfile} using ${version}"
330 niro 1334 ${tool}
331 niro 924 rc=$?
332     if [ ${rc} != 0 ]
333     then
334     echo "mkinitrd failed" >&2
335     exit 1
336     fi
337 niro 532 }
338    
339 niro 924 rminitrd()
340     {
341     [[ -n ${verbose} ]] && echo "removing initrd ${initrdfile}"
342     [ -f ${initrdfile} ] && rm -f ${initrdfile}
343 niro 532 }
344    
345 niro 924 doDepmod()
346     {
347     [[ -n ${verbose} ]] && echo "running depmod for ${version}"
348     depmod -ae -F /boot/System.map-${version} ${version}
349 niro 532 }
350    
351 niro 924 doRmmoddep()
352     {
353     [[ -n ${verbose} ]] && echo "removing modules.dep info for ${version}"
354     [ -d /lib/modules/${version} ] && rm -f /lib/modules/${version}/modules.*
355 niro 532 }
356    
357    
358 niro 924 while [ $# -gt 0 ]
359     do
360     case $1 in
361     --mkinitrd)
362     initrd="make"
363     ;;
364 niro 532
365 niro 924 --rminitrd)
366     initrd="remove"
367     ;;
368 niro 532
369 niro 1334 --dracut)
370     dracut=--dracut
371     ;;
372    
373     --host-only)
374     dracuthostonly=-H
375     ;;
376    
377 niro 924 --initrdfile*)
378     if echo $1 | grep '=' >/dev/null
379     then
380     initrdfile=$(echo $1 | sed 's/^--initrdfile=//')
381     else
382     initrdfile=$2
383     shift
384     fi
385     ;;
386 niro 532
387 niro 924 --kernel-args*)
388     if echo $1 | grep '=' >/dev/null
389     then
390     kernargs=$(echo $1 | sed 's/^--kernel-args=//')
391     else
392     kernargs=$2
393     shift
394     fi
395     ;;
396 niro 532
397 niro 924 --remove-args*)
398     if echo $1 | grep '=' >/dev/null
399     then
400 niro 1305 removeargs=$(echo $1 | sed 's/^--remove-args=//')
401 niro 924 else
402     removeargs=$2
403     shift
404     fi
405     ;;
406 niro 923
407 niro 924 --banner*)
408     if echo $1 | grep '=' >/dev/null
409     then
410     banner=$(echo $1 | sed 's/^--banner=//')
411     else
412     banner=$2
413     shift
414     fi
415     ;;
416 niro 532
417 niro 924 --multiboot*)
418     if echo $1 |grep '=' >/dev/null
419     then
420     mbkernel=$(echo $1 | sed 's/^--multiboot=//')
421     else
422     # can't really support having an optional second arg here
423     # sorry!
424     mbkernel="/boot/xen.gz"
425     fi
426     ;;
427 niro 532
428 niro 924 --mbargs*)
429     if echo $1 |grep '=' >/dev/null
430     then
431     mbargs=$(echo $1 | sed 's/^--mbargs=//')
432     else
433     mbargs="$2"
434     shift
435     fi
436     ;;
437 niro 532
438 niro 924 --depmod)
439     moddep="make"
440     ;;
441 niro 532
442 niro 924 --rmmoddep)
443     moddep="remove"
444     ;;
445 niro 532
446 niro 924 --make-default)
447     makedefault="--make-default"
448     ;;
449 niro 532
450 niro 924 --package)
451     if echo $1 | grep '=' >/dev/null
452     then
453     package=$(echo $1 | sed 's/^--package=//')
454     else
455     package=$2
456     shift
457     fi
458     ;;
459 niro 532
460 niro 1334 --add-dracut-args)
461     adddracutargs=--add-dracut-args
462     ;;
463    
464     --add-plymouth-initrd)
465     addplymouthinitrd=--add-plymouth-initrd
466     ;;
467    
468 niro 924 -v)
469     verbose=-v
470     ;;
471 niro 532
472 niro 924 *)
473     if [[ -z ${mode} ]]
474     then
475     mode=$1
476     elif [[ -z ${version} ]]
477     then
478     version=$1
479     else
480     usage
481     fi
482     ;;
483     esac
484 niro 532
485 niro 924 shift
486 niro 532 done
487    
488     # make sure the mode is valid
489 niro 924 if [[ ${mode} != --install ]] && [[ ${mode} != --remove ]] && [[ ${mode} != --update ]]
490     then
491     usage
492 niro 532 fi
493    
494 niro 924 if [[ -z ${version} ]]
495     then
496     usage
497 niro 532 fi
498    
499 niro 924 if [ "${mode}" != "--install" -a "${makedefault}" ]
500     then
501     usage
502 niro 532 fi
503    
504 niro 924 kernelmajor=$(echo ${kernel} | cut -d . -f 1,2)
505 niro 532
506 niro 1305 # kernel image for 2.4 is kernel
507 niro 924 if [[ ${ARCH} = ppc64 ]] || [[ ${ARCH} = ppc ]]
508     then
509     if [[ ${kernelmajor} = 2.4 ]]
510     then
511     kernelName=kernel
512     fi
513 niro 532 fi
514    
515     # set the initrd file based on arch; ia64 is the only currently known oddball
516 niro 924 if [[ -z ${initrdfile} ]]
517     then
518     INITRD_NAME_PREFIX="initrd"
519 niro 1334 if [[ -n ${dracut} ]]
520     then
521     INITRD_NAME_PREFIX="initramfs"
522     fi
523 niro 923
524 niro 924 if [[ $(uname -m) = ia64 ]]
525     then
526     initrdfile="/boot/efi/EFI/redhat/${INITRD_NAME_PREFIX}-${version}.img"
527     else
528     initrdfile="/boot/${INITRD_NAME_PREFIX}-${version}.img"
529     fi
530 niro 532 fi
531 niro 924 [[ -n ${verbose} ]] && echo "initrdfile is ${initrdfile}"
532 niro 532
533 niro 1334 # add dracut i18n, keyboard and plymouth kernel args if requested
534     if [[ -n ${dracut} ]] || [[ -n ${adddracutargs} ]]
535     then
536     [ -r /etc/conf.d/keymap ] && . /etc/conf.d/keymap
537     [ -r /etc/conf.d/consolefont ] && . /etc/conf.d/consolefont
538    
539     if [[ -n ${KEYMAP} ]]
540     then
541     kernargs="${kernargs} KEYTABLE=${KEYMAP}"
542     fi
543    
544     if [[ -n ${CONSOLEFONT} ]]
545     then
546     kernargs="${kernargs} SYSFONT=${CONSOLEFONT}"
547     fi
548     fi
549    
550 niro 532 # set this as the default if we have the package and it matches
551 niro 924 if [[ ${mode} = --install ]] && [[ ${UPDATEDEFAULT} = yes ]] && [[ -n ${package} ]] &&
552     [[ -n ${DEFAULTKERNEL} ]] && [[ ${package} = ${DEFAULTKERNEL} ]]
553     then
554     makedefault="--make-default"
555     [[ -n ${verbose} ]] && echo "making it the default based on config"
556 niro 532 fi
557    
558 niro 924 if [[ ${moddep} = make ]]
559     then
560     doDepmod
561     elif [[ ${moddep} = remove ]]
562     then
563     doRmmoddep
564 niro 532 fi
565    
566 niro 924 if [[ ${initrd} = make ]]
567     then
568     mkinitrd
569     elif [[ ${initrd} = remove ]]
570     then
571     rminitrd
572 niro 532 fi
573    
574 niro 924 if [ ! -x ${grubby} ]
575     then
576     [[ -n ${verbose} ]] && echo "${grubby} does not exist"
577     exit 0
578 niro 532 fi
579    
580 niro 924 [[ -n ${grubConfig} ]] && [ -f ${grubConfig} ] && cfgGrub=1
581     [[ -n ${liloConfig} ]] && [ -f ${liloConfig} ] && cfgLilo=1
582 niro 532
583     # if we have a lilo config on an x86 box, see if the default boot loader
584     # is lilo to determine if it should be run
585 niro 924 if [[ -n ${cfgLilo} ]] && [[ -n ${isx86} ]]
586     then
587     runLilo=$(${grubby} --bootloader-probe | grep lilo)
588 niro 532 fi
589    
590 niro 924 if [[ ${mode} = --install ]]
591     then
592     install
593     elif [[ ${mode} = --remove ]]
594     then
595     remove
596     elif [[ ${mode} = --update ]]
597     then
598     update
599 niro 532 fi
600    
601     exit 0

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