Magellan Linux

Contents of /trunk/magellan-initscripts/etc/rc.d/init.d/rc

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Revision 514 - (show annotations) (download)
Fri Aug 17 22:07:29 2007 UTC (16 years, 8 months ago) by niro
File size: 9942 byte(s)
-some update for newer udev versions (114-r4 atm)

1 #!/bin/bash
2 # $Header: /home/cvsd/magellan-cvs/magellan-src/magellan-initscripts/etc/rc.d/init.d/rc,v 1.15 2007-08-17 22:07:29 niro Exp $
3
4 source /etc/sysconfig/rc
5 source $rc_functions
6
7 # get mage version
8 MAGEVER="$(< /etc/mageversion)"
9
10 # source kernel config if exists
11 [ -f /etc/conf.d/kernel ] && source /etc/conf.d/kernel
12
13 udev_version()
14 {
15 local version=0
16
17 if [[ -x /sbin/udev ]]
18 then
19 version=$(/sbin/udev -V)
20 # We need it without a leading '0', else bash do the wrong thing
21 version=${version##0}
22 # Older udev's will print nothing
23 [[ -z ${version} ]] && version=0
24 elif [[ -x /sbin/udevd ]]
25 then
26 version=$(/sbin/udevd --version)
27 version=${version##0}
28 [[ -z ${version} ]] && version=0
29 fi
30
31 echo "${version}"
32 }
33
34 populate_udev()
35 {
36 local opts
37
38 # tell modprobe.sh to be verbose to $CONSOLE
39 echo CONSOLE=${CONSOLE} > /dev/.udev_populate
40
41 # populate /dev with devices already found by the kernel
42 if [ "$(kernel_version | sed 's:\.::g' | cut -d_ -f1)" -gt "2614" ]
43 then
44 echo -e ${COLOREDSTAR}" Populating /dev with existing devices through uevents ..."
45 [[ $(udev_version) -ge "96" ]] && [[ ${RC_COLDPLUG} != yes ]] && opts="--attr-match=dev"
46 /sbin/udevtrigger ${opts}
47 evaluate_retval
48 else
49 echo -e ${COLOREDSTAR}" Populating /dev with existing devices with udevstart ..."
50 /sbin/udevstart
51 evaluate_retval
52 fi
53
54 # loop until everything is finished
55 echo -e ${COLOREDSTAR}" Letting udev process events ..."
56 /sbin/udevsettle --timeout=60
57 evaluate_retval
58
59 rm -f /dev/.udev_populate
60 return 0
61 }
62
63 seed_dev()
64 {
65 # seed /dev with some things that we know we need
66 echo -e ${COLOREDSTAR}" Seeding /dev with needed nodes ..."
67 (
68 [ ! -c /dev/console ] && mknod /dev/console c 5 1
69 [ ! -c /dev/tty1 ] && mknod /dev/tty1 c 4 1
70 [ ! -c /dev/null ] && mknod /dev/null c 1 3
71
72 # copy over any persistant things
73 if [[ -d /lib/udev/devices ]]
74 then
75 cp --preserve=all --recursive --update /lib/udev/devices/* /dev 2>/dev/null
76 fi
77
78 # not provided by sysfs but needed
79 ln -snf /proc/self/fd /dev/fd
80 ln -snf fd/0 /dev/stdin
81 ln -snf fd/1 /dev/stdout
82 ln -snf fd/2 /dev/stderr
83 [[ -e /proc/kcore ]] && ln -snf /proc/kcore /dev/core
84
85 # create problematic directories
86 mkdir -p /dev/{pts,shm}
87 )
88 evaluate_retval
89 }
90
91 trap "" INT QUIT TSTP
92
93 [ "$1" != "" ] && runlevel=$1
94
95 if [[ $runlevel = sysinit ]]
96 then
97 echo
98 echo -e "${COLGREEN}Starting ${COLBLUE}MAGELLAN (v${MAGEVER}) ${COLGREEN}Linux${COLDEFAULT}"
99 echo -e "Copyright 2001-2007 Niels Rogalla; http://magellan-linux.net"
100 echo
101
102 # mount proc filesystem, needed for bootsplash;
103 # no use of '/etc/rc.d/init.d/mountproc' anymore
104 if [ ! -e /proc/mounts ]
105 then
106 echo -e ${COLOREDSTAR}"Mounting proc file system ..."
107 mount -n /proc
108 evaluate_retval
109 fi
110
111 # set default verbose level for kernel messages
112 [ -z "${RC_VERBOSE_LEVEL}" ] && RC_VERBOSE_LEVEL=3
113 echo "${RC_VERBOSE_LEVEL}" > /proc/sys/kernel/printk
114
115 # mount sys file system before udev or devfs (kernel-2.6)
116 if [[ $(kernel_major_version) = 2.6 ]]
117 then
118 if [ -d /sys ]
119 then
120 echo -e ${COLOREDSTAR}"Mounting sysfs file system ..."
121 mount -n -t sysfs sysfs /sys
122 evaluate_retval
123 else
124 echo -e ${COLORED}"Fatal: mountpoint /sys missing ..."
125 echo -e ${COLYELLOW}"Please create the directory /sys (mkdir -p /sys)."
126 echo -e ${COLYELLOW}"It's essential for a 2.6 kernel."
127 fi
128 fi
129
130 ## load devfs ##
131 # load devfs only with a 2.4 kernel or its really wanted with a 2.6
132 if [[ $(kernel_major_version) = 2.4 ]] || [[ ${RC_USED_DEV} = devfs ]]
133 then
134 # start devfsd daemon, needed for bootsplash;
135 # no use of '/etc/rc.d/init.d/devfs' anymore
136 # check if devfs was mounted by the kernel,
137 # if not mount it (mbuild_livecd needs this one)
138 if [ ! -e /dev/.devfsd ]
139 then
140 echo -e ${COLOREDSTAR}"Mounting devfs file system ..."
141 mount -n -t devfs devfs /dev
142 evaluate_retval
143 fi
144
145 if [ -e /dev/.devfsd ]
146 then
147 echo -e ${COLOREDSTAR}"Starting devfsd ..."
148 ## directory /lib/dev-state !must! exists ##
149 /sbin/devfsd /dev &> /dev/null
150 evaluate_retval
151 else
152 echo -e ${COLRED}"No devfs filesystem found ..."
153 echo -e ${COLYELLOW}"Your Kernel doesn't support the devfs filesystem."
154 echo -e ${COLYELLOW}"Devfs is necessary to run Magellan-Linux."
155 echo -e ${COLYELLOW}"Please make shure that this is enabled in your kernel."
156 echo
157 echo -e ${COLYELLOW}"Press any key to shutdown the system safely ..."
158 read
159 $rc_base/init.d/halt
160 fi
161 fi
162
163 #### load udev ####
164 # load udev only with a 2.6 kernel
165 if [[ $(kernel_major_version) = 2.6 ]] && [[ ${RC_USED_DEV} = udev ]]
166 then
167 # check if /dev/console exists outside tmpfs
168 [ -c /dev/console ] ; need_redirect=$?
169
170 # create a ramdisk for populating udev
171 echo -e ${COLOREDSTAR}"Mounting udev at /dev ..."
172 # many video drivers needed exec access
173 fstype=ramfs
174 # tmpfs was suggested by Greg Kroah-Hartman
175 kernel_supports_fs tmpfs && fstype=tmpfs
176 mount -n -t ${fstype} udev /dev -o exec,nosuid,mode=0755
177 evaluate_retval
178
179 # if a device tarball exists load it and if it is activated
180 echo -e ${COLOREDSTAR}"Configurating system to use udev ..."
181 if [[ ${RC_DEVICE_TARBALL} = yes ]]
182 then
183 echo -e ${COLOREDSTAR}" Populating /dev with saved device nodes ..."
184 tar -jxpf /lib/udev-state/devices.tar.bz2 -C /dev
185 evaluate_retval
186 fi
187
188 # other eeded device nodes with udev
189 seed_dev
190
191 if [ -e /proc/sys/kernel/hotplug ]
192 then
193 if [ "$(kernel_version | sed 's:\.::g' | cut -d_ -f1)" -gt "2614" ]
194 then
195 echo -e ${COLOREDSTAR}" Using netlink for hotplug events ..."
196 echo "" > /proc/sys/kernel/hotplug
197 evaluate_retval
198 else
199 echo -e ${COLOREDSTAR}" Setting /sbin/udevsend as hotplug agent ..."
200 echo "/sbin/udevsend" > /proc/sys/kernel/hotplug
201 evaluate_retval
202 fi
203 else
204 echo -e ${COLOREDSTAR}${COLYELLOW}" Kernel was not compiled with hotplug support !"
205 print_status failure
206 fi
207
208 echo -e ${COLOREDSTAR}" Starting udevd daemon ..."
209 if [ ${need_redirect} -eq 1 ]
210 then
211 # we need to open fds 0 1 2
212 /sbin/udevd --daemon </dev/console >/dev/console 2>/dev/console
213 else
214 /sbin/udevd --daemon
215 fi
216 evaluate_retval
217
218 /lib/udev/write_root_link_rule
219 populate_udev
220
221 # create nodes that udev can't
222 echo -e ${COLOREDSTAR}" Finializing udev configuration ..."
223 [[ -x /sbin/dmsetup ]] && /sbin/dmsetup mknodes &>/dev/null
224 [[ -x /sbin/lvm ]] && /sbin/lvm vgscan -P --mknodes --ignorelockingfailure &>/dev/null
225 [[ -x /sbin/evms_activate ]] && /sbin/evms_activate -q &>/dev/null
226 print_status success
227
228 # same thing as /dev/.devfsd
229 touch /dev/.udev
230 fi
231
232 ## load devpts ##
233 # devfs/udev with 2.6 has no ptys, so devpts is also needed
234 if [[ $(kernel_major_version) = 2.6 ]]
235 then
236 # check if we really have devpts support
237 if kernel_supports_fs devpts
238 then
239 # /dev/pts maybe not exists.
240 # We only create this directory only if devfs was mounted,
241 # or it will fail as / is still mounted readonly
242 # udev has this dir already, only a sanity check for devfs
243 if [ ! -d "/dev/pts" -a -e "/dev/.devfsd" ] && is_fs_mounted devfs
244 then
245 mkdir -p /dev/pts &> /dev/null || \
246 echo "Could not create /dev/pts !"
247 fi
248
249 # now mount devpts
250 if [ -d /dev/pts ]
251 then
252 echo -e ${COLOREDSTAR}"Mounting devpts at /dev/pts ..."
253 mount -n -t devpts -o gid=4,mode=0620 devpts /dev/pts
254 evaluate_retval
255 fi
256 else
257 # devpts is not supported, give a warning
258 echo -e ${COLRED}"No devpts filesystem found ..."
259 echo -e ${COLYELLOW}"Your Kernel doesn't support the devpts filesystem."
260 echo -e ${COLYELLOW}"Devfs with a kernel-2.6.x needs devpts,"
261 echo -e ${COLYELLOW}"or no pty's are available."
262 echo -e ${COLYELLOW}"Please make shure that this is enabled in your kernel."
263 echo
264 echo -e ${COLYELLOW}"Press any key to continue ..."
265 read
266 fi
267 fi
268
269 ### services state dir ###
270 echo -e ${COLOREDSTAR}"Mounting tmpfs at ${svcdir} ..."
271 mount -n -t tmpfs tmpfs "${svcdir}" -o rw,mode=0644,size="${svcsize}"k
272 evaluate_retval
273
274 # load bootsplash
275 splash "rc_init" "${runlevel}"
276 fi
277
278
279 if [[ $runlevel = 0 ]] || [[ $runlevel = 6 ]]
280 then
281 # load bootsplash
282 splash "rc_init" "${runlevel}"
283
284 # if requested save devices to a device tarball before halt
285 # only for kernels >=2.6 *and* udev
286 # make shure that udev is mounted but *not* devfs --> /dev/.devfsd
287 if [[ ${RC_DEVICE_TARBALL} = yes ]] && \
288 [ -e /dev/.udev -a ! -e /dev/.devfsd -a ! -e /.bootdev ]
289 then
290 echo -e ${COLOREDSTAR}"Saving /dev device nodes ..."
291 ( cd /dev; tar -jclpf "/tmp/devices-$$.tar.bz2" * &> /dev/null )
292 mv -f "/tmp/devices-$$.tar.bz2" /lib/udev-state/devices.tar.bz2
293 evaluate_retval
294 fi
295 fi
296
297
298 if [ "$runlevel" = "" ]
299 then
300 echo "Usage: $0 <runlevel>" >&2
301 exit 1
302 fi
303
304
305 previous=$PREVLEVEL
306 [ "$previous" = "" ] && previous=N
307
308 if [ ! -d $rc_base/rc$runlevel.d ]
309 then
310 echo "$rc_base/rc$runlevel.d does not exist"
311 exit 1
312 fi
313
314 if [ "$previous" != "N" ]
315 then
316 for i in $(ls -v $rc_base/rc$runlevel.d/K* 2> /dev/null)
317 do
318
319 check_script_status
320
321 suffix=${i#$rc_base/rc$runlevel.d/K[0-9][0-9]}
322 prev_start=$rc_base/rc$previous.d/S[0-9][0-9]$suffix
323 sysinit_start=$rc_base/rcsysinit.d/S[0-9][0-9]$suffix
324
325 if [ "$runlevel" != "0" ] && [ "$runlevel" != "6" ]
326 then
327 if [ ! -f $prev_start ] && [ ! -f $sysinit_start ]
328 then
329 $WARNING
330 echo "$i can't be executed because it was"
331 echo "not started in the previous runlevel ($previous)"
332 $NORMAL
333 continue
334 fi
335 fi
336
337 $i stop
338 error_value=$?
339
340 if [ "$error_value" != "0" ]
341 then
342 print_error_msg
343 fi
344 done
345 fi
346
347 for i in $( ls -v $rc_base/rc$runlevel.d/S* 2> /dev/null)
348 do
349 if [ "$previous" != "N" ]
350 then
351 suffix=${i#$rc_base/rc$runlevel.d/S[0-9][0-9]}
352 stop=$rc_base/rc$runlevel.d/K[0-9][0-9]$suffix
353 prev_start=$rc_base/rc$previous.d/S[0-9][0-9]$suffix
354
355 [ -f $prev_start ] && [ ! -f $stop ] && continue
356 fi
357
358 check_script_status
359
360 $i start
361 error_value=$?
362
363 if [ "$error_value" != "0" ]
364 then
365 print_error_msg
366 fi
367 done

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